diff --git a/alternatives_table.rst b/alternatives_table.rst index 639adf9..8085359 100644 --- a/alternatives_table.rst +++ b/alternatives_table.rst @@ -88,6 +88,7 @@ EncodeDataBase64 base64.encode DecodeDataBase64 base64.decode ComputeCRC32 crunchy.crc32 External package ComputeMD5 checksums.md5 External package +ComputeSHA1 checksums.sha1 External package ================== ===================== ================ Misc diff --git a/mangle_names.patch b/mangle_names.patch index ce9d884..42a68cf 100644 --- a/mangle_names.patch +++ b/mangle_names.patch @@ -1,22 +1,23 @@ -From c5b1e499079ddbc76730e722cd5687769d01d3e9 Mon Sep 17 00:00:00 2001 +From c0444c723b687f7ce9035cc4fd48691a87432a6d Mon Sep 17 00:00:00 2001 From: Antonis Geralis -Date: Wed, 16 Oct 2024 21:40:14 +0300 +Date: Mon, 21 Oct 2024 14:23:01 +0300 Subject: [PATCH] mangle names --- - src/raylib/external/jar_xm.h | 60 ++++++++++---------- - src/raylib/platforms/rcore_android.c | 10 ++-- - src/raylib/platforms/rcore_desktop_sdl.c | 2 +- - src/raylib/platforms/rcore_drm.c | 4 +- - src/raylib/platforms/rcore_template.c | 2 +- - src/raylib/platforms/rcore_web.c | 2 +- - src/raylib/raylib.h | 72 ++++++++++++------------ - src/raylib/rcore.c | 12 ++-- - src/raylib/rmodels.c | 8 +-- - src/raylib/rshapes.c | 70 +++++++++++------------ - src/raylib/rtext.c | 50 ++++++++-------- - src/raylib/rtextures.c | 58 +++++++++---------- - 12 files changed, 175 insertions(+), 175 deletions(-) + src/raylib/external/jar_xm.h | 60 +++++++++---------- + src/raylib/platforms/rcore_android.c | 10 ++-- + src/raylib/platforms/rcore_desktop_glfw.c | 2 +- + src/raylib/platforms/rcore_desktop_sdl.c | 2 +- + src/raylib/platforms/rcore_drm.c | 4 +- + src/raylib/platforms/rcore_template.c | 2 +- + src/raylib/platforms/rcore_web.c | 2 +- + src/raylib/raylib.h | 72 +++++++++++------------ + src/raylib/rcore.c | 12 ++-- + src/raylib/rmodels.c | 8 +-- + src/raylib/rshapes.c | 70 +++++++++++----------- + src/raylib/rtext.c | 50 ++++++++-------- + src/raylib/rtextures.c | 58 +++++++++--------- + 13 files changed, 176 insertions(+), 176 deletions(-) diff --git a/src/raylib/external/jar_xm.h b/src/raylib/external/jar_xm.h index b5e80e4..5459410 100644 @@ -172,8 +173,21 @@ index 88438c9..29b346e 100644 #endif #endif +diff --git a/src/raylib/platforms/rcore_desktop_glfw.c b/src/raylib/platforms/rcore_desktop_glfw.c +index d42274d..bb68662 100644 +--- a/src/raylib/platforms/rcore_desktop_glfw.c ++++ b/src/raylib/platforms/rcore_desktop_glfw.c +@@ -966,7 +966,7 @@ const char *GetClipboardText(void) + } + + // Show mouse cursor +-void ShowCursor(void) ++void rlShowCursor(void) + { + glfwSetInputMode(platform.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL); + CORE.Input.Mouse.cursorHidden = false; diff --git a/src/raylib/platforms/rcore_desktop_sdl.c b/src/raylib/platforms/rcore_desktop_sdl.c -index 90372c2..d385920 100644 +index b4ceb78..0f2fc53 100644 --- a/src/raylib/platforms/rcore_desktop_sdl.c +++ b/src/raylib/platforms/rcore_desktop_sdl.c @@ -878,7 +878,7 @@ const char *GetClipboardText(void) @@ -221,10 +235,10 @@ index 6bc3432..1f8c116 100644 CORE.Input.Mouse.cursorHidden = false; } diff --git a/src/raylib/platforms/rcore_web.c b/src/raylib/platforms/rcore_web.c -index 35c15a6..84e2a37 100644 +index 36af66a..7cef04e 100644 --- a/src/raylib/platforms/rcore_web.c +++ b/src/raylib/platforms/rcore_web.c -@@ -770,7 +770,7 @@ const char *GetClipboardText(void) +@@ -806,7 +806,7 @@ const char *GetClipboardText(void) } // Show mouse cursor @@ -234,7 +248,7 @@ index 35c15a6..84e2a37 100644 if (CORE.Input.Mouse.cursorHidden) { diff --git a/src/raylib/raylib.h b/src/raylib/raylib.h -index 12a9e9f..0438662 100644 +index 5ae45fa..ea2fdce 100644 --- a/src/raylib/raylib.h +++ b/src/raylib/raylib.h @@ -246,12 +246,12 @@ typedef struct Color { @@ -288,7 +302,7 @@ index 12a9e9f..0438662 100644 RLAPI void HideCursor(void); // Hides cursor RLAPI bool IsCursorHidden(void); // Check if cursor is not visible RLAPI void EnableCursor(void); // Enables cursor (unlock cursor) -@@ -1231,9 +1231,9 @@ RLAPI void UpdateCameraPro(Camera *camera, Vector3 movement, Vector3 rotation, f +@@ -1233,9 +1233,9 @@ RLAPI void UpdateCameraPro(Camera *camera, Vector3 movement, Vector3 rotation, f // Set texture and rectangle to be used on shapes drawing // NOTE: It can be useful when using basic shapes and one single font, // defining a font char white rectangle would allow drawing everything in a single draw call @@ -300,7 +314,7 @@ index 12a9e9f..0438662 100644 // Basic shapes drawing functions RLAPI void DrawPixel(int posX, int posY, Color color); // Draw a pixel using geometry [Can be slow, use with care] -@@ -1256,16 +1256,16 @@ RLAPI void DrawRing(Vector2 center, float innerRadius, float outerRadius, float +@@ -1258,16 +1258,16 @@ RLAPI void DrawRing(Vector2 center, float innerRadius, float outerRadius, float RLAPI void DrawRingLines(Vector2 center, float innerRadius, float outerRadius, float startAngle, float endAngle, int segments, Color color); // Draw ring outline RLAPI void DrawRectangle(int posX, int posY, int width, int height, Color color); // Draw a color-filled rectangle RLAPI void DrawRectangleV(Vector2 position, Vector2 size, Color color); // Draw a color-filled rectangle (Vector version) @@ -324,7 +338,7 @@ index 12a9e9f..0438662 100644 RLAPI void DrawTriangle(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw a color-filled triangle (vertex in counter-clockwise order!) RLAPI void DrawTriangleLines(Vector2 v1, Vector2 v2, Vector2 v3, Color color); // Draw triangle outline (vertex in counter-clockwise order!) RLAPI void DrawTriangleFan(const Vector2 *points, int pointCount, Color color); // Draw a triangle fan defined by points (first vertex is the center) -@@ -1294,17 +1294,17 @@ RLAPI Vector2 GetSplinePointBezierQuad(Vector2 p1, Vector2 c2, Vector2 p3, float +@@ -1296,17 +1296,17 @@ RLAPI Vector2 GetSplinePointBezierQuad(Vector2 p1, Vector2 c2, Vector2 p3, float RLAPI Vector2 GetSplinePointBezierCubic(Vector2 p1, Vector2 c2, Vector2 c3, Vector2 p4, float t); // Get (evaluate) spline point: Cubic Bezier // Basic shapes collision detection functions @@ -346,7 +360,7 @@ index 12a9e9f..0438662 100644 //------------------------------------------------------------------------------------ // Texture Loading and Drawing Functions (Module: textures) -@@ -1312,7 +1312,7 @@ RLAPI Rectangle GetCollisionRec(Rectangle rec1, Rectangle rec2); +@@ -1314,7 +1314,7 @@ RLAPI Rectangle GetCollisionRec(Rectangle rec1, Rectangle rec2); // Image loading functions // NOTE: These functions do not require GPU access @@ -355,7 +369,7 @@ index 12a9e9f..0438662 100644 RLAPI Image LoadImageRaw(const char *fileName, int width, int height, int format, int headerSize); // Load image from RAW file data RLAPI Image LoadImageAnim(const char *fileName, int *frames); // Load image sequence from file (frames appended to image.data) RLAPI Image LoadImageAnimFromMemory(const char *fileType, const unsigned char *fileData, int dataSize, int *frames); // Load image sequence from memory buffer -@@ -1338,13 +1338,13 @@ RLAPI Image GenImageText(int width, int height, const char *text); +@@ -1340,13 +1340,13 @@ RLAPI Image GenImageText(int width, int height, const char *text); // Image manipulation functions RLAPI Image ImageCopy(Image image); // Create an image duplicate (useful for transformations) @@ -371,7 +385,7 @@ index 12a9e9f..0438662 100644 RLAPI void ImageAlphaCrop(Image *image, float threshold); // Crop image depending on alpha value RLAPI void ImageAlphaClear(Image *image, Color color, float threshold); // Clear alpha channel to desired color RLAPI void ImageAlphaMask(Image *image, Image alphaMask); // Apply alpha mask to image -@@ -1371,7 +1371,7 @@ RLAPI Color *LoadImageColors(Image image); +@@ -1373,7 +1373,7 @@ RLAPI Color *LoadImageColors(Image image); RLAPI Color *LoadImagePalette(Image image, int maxPaletteSize, int *colorCount); // Load colors palette from image as a Color array (RGBA - 32bit) RLAPI void UnloadImageColors(Color *colors); // Unload color data loaded with LoadImageColors() RLAPI void UnloadImagePalette(Color *colors); // Unload colors palette loaded with LoadImagePalette() @@ -380,7 +394,7 @@ index 12a9e9f..0438662 100644 RLAPI Color GetImageColor(Image image, int x, int y); // Get image pixel color at (x, y) position // Image drawing functions -@@ -1388,14 +1388,14 @@ RLAPI void ImageDrawCircleLines(Image *dst, int centerX, int centerY, int radius +@@ -1390,14 +1390,14 @@ RLAPI void ImageDrawCircleLines(Image *dst, int centerX, int centerY, int radius RLAPI void ImageDrawCircleLinesV(Image *dst, Vector2 center, int radius, Color color); // Draw circle outline within an image (Vector version) RLAPI void ImageDrawRectangle(Image *dst, int posX, int posY, int width, int height, Color color); // Draw rectangle within an image RLAPI void ImageDrawRectangleV(Image *dst, Vector2 position, Vector2 size, Color color); // Draw rectangle within an image (Vector version) @@ -398,7 +412,7 @@ index 12a9e9f..0438662 100644 RLAPI void ImageDrawText(Image *dst, const char *text, int posX, int posY, int fontSize, Color color); // Draw text (using default font) within an image (destination) RLAPI void ImageDrawTextEx(Image *dst, Font font, const char *text, Vector2 position, float fontSize, float spacing, Color tint); // Draw text (custom sprite font) within an image (destination) -@@ -1410,7 +1410,7 @@ RLAPI void UnloadTexture(Texture2D texture); +@@ -1412,7 +1412,7 @@ RLAPI void UnloadTexture(Texture2D texture); RLAPI bool IsRenderTextureValid(RenderTexture2D target); // Check if a render texture is valid (loaded in GPU) RLAPI void UnloadRenderTexture(RenderTexture2D target); // Unload render texture from GPU memory (VRAM) RLAPI void UpdateTexture(Texture2D texture, const void *pixels); // Update GPU texture with new data @@ -407,7 +421,7 @@ index 12a9e9f..0438662 100644 // Texture configuration functions RLAPI void GenTextureMipmaps(Texture2D *texture); // Generate GPU mipmaps for a texture -@@ -1421,9 +1421,9 @@ RLAPI void SetTextureWrap(Texture2D texture, int wrap); +@@ -1423,9 +1423,9 @@ RLAPI void SetTextureWrap(Texture2D texture, int wrap); RLAPI void DrawTexture(Texture2D texture, int posX, int posY, Color tint); // Draw a Texture2D RLAPI void DrawTextureV(Texture2D texture, Vector2 position, Color tint); // Draw a Texture2D with position defined as Vector2 RLAPI void DrawTextureEx(Texture2D texture, Vector2 position, float rotation, float scale, Color tint); // Draw a Texture2D with extended parameters @@ -420,7 +434,7 @@ index 12a9e9f..0438662 100644 // Color/pixel related functions RLAPI bool ColorIsEqual(Color col1, Color col2); // Check if two colors are equal -@@ -1456,15 +1456,15 @@ RLAPI Font LoadFontFromImage(Image image, Color key, int firstChar); +@@ -1458,15 +1458,15 @@ RLAPI Font LoadFontFromImage(Image image, Color key, int firstChar); RLAPI Font LoadFontFromMemory(const char *fileType, const unsigned char *fileData, int dataSize, int fontSize, int *codepoints, int codepointCount); // Load font from memory buffer, fileType refers to extension: i.e. '.ttf' RLAPI bool IsFontValid(Font font); // Check if a font is valid (font data loaded, WARNING: GPU texture not checked) RLAPI GlyphInfo *LoadFontData(const unsigned char *fileData, int dataSize, int fontSize, int *codepoints, int codepointCount, int type); // Load font data for further use @@ -439,7 +453,7 @@ index 12a9e9f..0438662 100644 RLAPI void DrawTextPro(Font font, const char *text, Vector2 position, Vector2 origin, float rotation, float fontSize, float spacing, Color tint); // Draw text using Font and pro parameters (rotation) RLAPI void DrawTextCodepoint(Font font, int codepoint, Vector2 position, float fontSize, Color tint); // Draw one character (codepoint) RLAPI void DrawTextCodepoints(Font font, const int *codepoints, int codepointCount, Vector2 position, float fontSize, float spacing, Color tint); // Draw multiple character (codepoint) -@@ -1475,7 +1475,7 @@ RLAPI int MeasureText(const char *text, int fontSize); +@@ -1477,7 +1477,7 @@ RLAPI int MeasureText(const char *text, int fontSize); RLAPI Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing); // Measure string size for Font RLAPI int GetGlyphIndex(Font font, int codepoint); // Get glyph index position in font for a codepoint (unicode character), fallback to '?' if not found RLAPI GlyphInfo GetGlyphInfo(Font font, int codepoint); // Get glyph font info data for a codepoint (unicode character), fallback to '?' if not found @@ -448,7 +462,7 @@ index 12a9e9f..0438662 100644 // Text codepoints management functions (unicode characters) RLAPI char *LoadUTF8(const int *codepoints, int length); // Load UTF-8 text encoded from codepoints array -@@ -1557,8 +1557,8 @@ RLAPI void DrawModelPoints(Model model, Vector3 position, float scale, Color tin +@@ -1559,8 +1559,8 @@ RLAPI void DrawModelPoints(Model model, Vector3 position, float scale, Color tin RLAPI void DrawModelPointsEx(Model model, Vector3 position, Vector3 rotationAxis, float rotationAngle, Vector3 scale, Color tint); // Draw a model as points with extended parameters RLAPI void DrawBoundingBox(BoundingBox box, Color color); // Draw bounding box (wires) RLAPI void DrawBillboard(Camera camera, Texture2D texture, Vector3 position, float scale, Color tint); // Draw a billboard texture @@ -460,7 +474,7 @@ index 12a9e9f..0438662 100644 // Mesh management functions RLAPI void UploadMesh(Mesh *mesh, bool dynamic); // Upload mesh vertex data in GPU and provide VAO/VBO ids diff --git a/src/raylib/rcore.c b/src/raylib/rcore.c -index 8fa4217..a509607 100644 +index 9b3eeee..ff3b0a9 100644 --- a/src/raylib/rcore.c +++ b/src/raylib/rcore.c @@ -664,16 +664,16 @@ void InitWindow(int width, int height, const char *title) @@ -511,7 +525,7 @@ index 8fa4217..a509607 100644 #endif diff --git a/src/raylib/rmodels.c b/src/raylib/rmodels.c -index 9d9c475..03795c0 100644 +index e7208e1..8878f4c 100644 --- a/src/raylib/rmodels.c +++ b/src/raylib/rmodels.c @@ -3813,13 +3813,13 @@ void DrawModelPointsEx(Model model, Vector3 position, Vector3 rotationAxis, floa @@ -1018,7 +1032,7 @@ index 86aeb00..f6654c5 100644 // Save data properly in sprite font font.glyphs[i].value = charId; diff --git a/src/raylib/rtextures.c b/src/raylib/rtextures.c -index 294eeb6..f65603e 100644 +index 9fc6332..2798a57 100644 --- a/src/raylib/rtextures.c +++ b/src/raylib/rtextures.c @@ -263,7 +263,7 @@ static Vector4 *LoadImageDataNormalized(Image image); // Load pixel data f @@ -1152,7 +1166,7 @@ index 294eeb6..f65603e 100644 srcPtr = &srcMod; useSrcMod = true; -@@ -4038,8 +4038,8 @@ void ImageDrawTextEx(Image *dst, Font font, const char *text, Vector2 position, +@@ -4046,8 +4046,8 @@ void ImageDrawTextEx(Image *dst, Font font, const char *text, Vector2 position, { Image imText = ImageTextEx(font, text, fontSize, spacing, tint); @@ -1163,7 +1177,7 @@ index 294eeb6..f65603e 100644 ImageDraw(dst, imText, srcRec, dstRec, WHITE); -@@ -4054,7 +4054,7 @@ Texture2D LoadTexture(const char *fileName) +@@ -4062,7 +4062,7 @@ Texture2D LoadTexture(const char *fileName) { Texture2D texture = { 0 }; @@ -1172,7 +1186,7 @@ index 294eeb6..f65603e 100644 if (image.data != NULL) { -@@ -4122,9 +4122,9 @@ TextureCubemap LoadTextureCubemap(Image image, int layout) +@@ -4130,9 +4130,9 @@ TextureCubemap LoadTextureCubemap(Image image, int layout) int size = cubemap.width; Image faces = { 0 }; // Vertical column image @@ -1184,7 +1198,7 @@ index 294eeb6..f65603e 100644 if (layout == CUBEMAP_LAYOUT_LINE_VERTICAL) { -@@ -4163,7 +4163,7 @@ TextureCubemap LoadTextureCubemap(Image image, int layout) +@@ -4171,7 +4171,7 @@ TextureCubemap LoadTextureCubemap(Image image, int layout) // NOTE: Image formatting does not work with compressed textures @@ -1193,7 +1207,7 @@ index 294eeb6..f65603e 100644 } // NOTE: Cubemap data is expected to be provided as 6 images in a single data array, -@@ -4289,7 +4289,7 @@ void UpdateTexture(Texture2D texture, const void *pixels) +@@ -4297,7 +4297,7 @@ void UpdateTexture(Texture2D texture, const void *pixels) // Update GPU texture rectangle with new data // NOTE: pixels data must match texture.format @@ -1202,7 +1216,7 @@ index 294eeb6..f65603e 100644 { rlUpdateTexture(texture.id, (int)rec.x, (int)rec.y, (int)rec.width, (int)rec.height, texture.format, pixels); } -@@ -4419,17 +4419,17 @@ void DrawTextureV(Texture2D texture, Vector2 position, Color tint) +@@ -4427,17 +4427,17 @@ void DrawTextureV(Texture2D texture, Vector2 position, Color tint) // Draw a texture with extended parameters void DrawTextureEx(Texture2D texture, Vector2 position, float rotation, float scale, Color tint) { @@ -1224,7 +1238,7 @@ index 294eeb6..f65603e 100644 Vector2 origin = { 0.0f, 0.0f }; DrawTexturePro(texture, source, dest, origin, 0.0f, tint); -@@ -4437,7 +4437,7 @@ void DrawTextureRec(Texture2D texture, Rectangle source, Vector2 position, Color +@@ -4445,7 +4445,7 @@ void DrawTextureRec(Texture2D texture, Rectangle source, Vector2 position, Color // Draw a part of a texture (defined by a rectangle) with 'pro' parameters // NOTE: origin is relative to destination rectangle size @@ -1233,7 +1247,7 @@ index 294eeb6..f65603e 100644 { // Check if texture is valid if (texture.id > 0) -@@ -4562,7 +4562,7 @@ void DrawTexturePro(Texture2D texture, Rectangle source, Rectangle dest, Vector2 +@@ -4570,7 +4570,7 @@ void DrawTexturePro(Texture2D texture, Rectangle source, Rectangle dest, Vector2 } // Draws a texture (or part of it) that stretches or shrinks nicely using n-patch info diff --git a/src/raylib/build.zig b/src/raylib/build.zig deleted file mode 100644 index 2a8b882..0000000 --- a/src/raylib/build.zig +++ /dev/null @@ -1,419 +0,0 @@ -const std = @import("std"); -const builtin = @import("builtin"); - -/// Minimum supported version of Zig -const min_ver = "0.12.0"; - -comptime { - const order = std.SemanticVersion.order; - const parse = std.SemanticVersion.parse; - if (order(builtin.zig_version, parse(min_ver) catch unreachable) == .lt) - @compileError("Raylib requires zig version " ++ min_ver); -} - -// NOTE(freakmangd): I don't like using a global here, but it prevents having to -// get the flags a second time when adding raygui -var raylib_flags_arr: std.ArrayListUnmanaged([]const u8) = .{}; - -/// we're not inside the actual build script recognized by the -/// zig build system; use this type where one would otherwise -/// use `@This()` when inside the actual entrypoint file. -const BuildScript = @import("../build.zig"); - -// This has been tested with zig version 0.12.0 -pub fn addRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: Options) !*std.Build.Step.Compile { - const raylib_dep = b.dependencyFromBuildZig(BuildScript, .{ - .target = target, - .optimize = optimize, - .raudio = options.raudio, - .rmodels = options.rmodels, - .rshapes = options.rshapes, - .rtext = options.rtext, - .rtextures = options.rtextures, - .platform = options.platform, - .shared = options.shared, - .linux_display_backend = options.linux_display_backend, - .opengl_version = options.opengl_version, - .config = options.config, - }); - const raylib = raylib_dep.artifact("raylib"); - - if (options.raygui) { - const raygui_dep = b.dependency(options.raygui_dependency_name, .{}); - addRaygui(b, raylib, raygui_dep); - } - - return raylib; -} - -fn setDesktopPlatform(raylib: *std.Build.Step.Compile, platform: PlatformBackend) void { - raylib.defineCMacro("PLATFORM_DESKTOP", null); - - switch (platform) { - .glfw => raylib.defineCMacro("PLATFORM_DESKTOP_GLFW", null), - .rgfw => raylib.defineCMacro("PLATFORM_DESKTOP_RGFW", null), - .sdl => raylib.defineCMacro("PLATFORM_DESKTOP_SDL", null), - else => {}, - } -} - -/// TODO: Once the minimum supported version is bumped to 0.14.0, it can be simplified again: -/// https://github.com/raysan5/raylib/pull/4375#issuecomment-2408998315 -/// https://github.com/raysan5/raylib/blob/9b9c72eb0dc705cde194b053a366a40396acfb67/src/build.zig#L54-L56 -fn srcDir(b: *std.Build) []const u8 { - comptime { - const order = std.SemanticVersion.order; - const parse = std.SemanticVersion.parse; - if (order(parse(min_ver) catch unreachable, parse("0.14.0") catch unreachable) != .lt) - @compileError("Please take a look at this function again"); - } - - const src_file = std.fs.path.relative(b.allocator, @src().file, ".") catch @panic("OOM"); - return std.fs.path.dirname(src_file) orelse "."; -} - -fn compileRaylib(b: *std.Build, target: std.Build.ResolvedTarget, optimize: std.builtin.OptimizeMode, options: Options) !*std.Build.Step.Compile { - raylib_flags_arr.clearRetainingCapacity(); - - const shared_flags = &[_][]const u8{ - "-fPIC", - "-DBUILD_LIBTYPE_SHARED", - }; - try raylib_flags_arr.appendSlice(b.allocator, &[_][]const u8{ - "-std=gnu99", - "-D_GNU_SOURCE", - "-DGL_SILENCE_DEPRECATION=199309L", - "-fno-sanitize=undefined", // https://github.com/raysan5/raylib/issues/3674 - }); - if (options.config.len > 0) { - const file = b.pathJoin(&.{ srcDir(b), "config.h" }); - const content = try std.fs.cwd().readFileAlloc(b.allocator, file, std.math.maxInt(usize)); - defer b.allocator.free(content); - - var lines = std.mem.splitScalar(u8, content, '\n'); - while (lines.next()) |line| { - if (!std.mem.containsAtLeast(u8, line, 1, "SUPPORT")) continue; - if (std.mem.startsWith(u8, line, "//")) continue; - if (std.mem.startsWith(u8, line, "#if")) continue; - - var flag = std.mem.trimLeft(u8, line, " \t"); // Trim whitespace - flag = flag["#define ".len - 1 ..]; // Remove #define - flag = std.mem.trimLeft(u8, flag, " \t"); // Trim whitespace - flag = flag[0 .. std.mem.indexOf(u8, flag, " ") orelse continue]; // Flag is only one word, so capture till space - flag = try std.fmt.allocPrint(b.allocator, "-D{s}", .{flag}); // Prepend with -D - - // If user specifies the flag skip it - if (std.mem.containsAtLeast(u8, options.config, 1, flag)) continue; - - // Append default value from config.h to compile flags - try raylib_flags_arr.append(b.allocator, flag); - } - - // Append config flags supplied by user to compile flags - try raylib_flags_arr.append(b.allocator, options.config); - - try raylib_flags_arr.append(b.allocator, "-DEXTERNAL_CONFIG_FLAGS"); - } - - if (options.shared) { - try raylib_flags_arr.appendSlice(b.allocator, shared_flags); - } - - const raylib = if (options.shared) - b.addSharedLibrary(.{ - .name = "raylib", - .target = target, - .optimize = optimize, - }) - else - b.addStaticLibrary(.{ - .name = "raylib", - .target = target, - .optimize = optimize, - }); - raylib.linkLibC(); - - // No GLFW required on PLATFORM_DRM - if (options.platform != .drm) { - raylib.addIncludePath(b.path(b.pathJoin(&.{ srcDir(b), "external/glfw/include" }))); - } - - var c_source_files = try std.ArrayList([]const u8).initCapacity(b.allocator, 2); - c_source_files.appendSliceAssumeCapacity(&.{ "rcore.c", "utils.c" }); - - if (options.raudio) { - try c_source_files.append("raudio.c"); - } - if (options.rmodels) { - try c_source_files.append("rmodels.c"); - } - if (options.rshapes) { - try c_source_files.append("rshapes.c"); - } - if (options.rtext) { - try c_source_files.append("rtext.c"); - } - if (options.rtextures) { - try c_source_files.append("rtextures.c"); - } - - if (options.opengl_version != .auto) { - raylib.defineCMacro(options.opengl_version.toCMacroStr(), null); - } - - switch (target.result.os.tag) { - .windows => { - try c_source_files.append("rglfw.c"); - raylib.linkSystemLibrary("winmm"); - raylib.linkSystemLibrary("gdi32"); - raylib.linkSystemLibrary("opengl32"); - - setDesktopPlatform(raylib, options.platform); - }, - .linux => { - if (options.platform != .drm) { - try c_source_files.append("rglfw.c"); - raylib.linkSystemLibrary("GL"); - raylib.linkSystemLibrary("rt"); - raylib.linkSystemLibrary("dl"); - raylib.linkSystemLibrary("m"); - - raylib.addLibraryPath(.{ .cwd_relative = "/usr/lib" }); - raylib.addIncludePath(.{ .cwd_relative = "/usr/include" }); - if (options.linux_display_backend == .X11 or options.linux_display_backend == .Both) { - raylib.defineCMacro("_GLFW_X11", null); - raylib.linkSystemLibrary("X11"); - } - - if (options.linux_display_backend == .Wayland or options.linux_display_backend == .Both) { - _ = b.findProgram(&.{"wayland-scanner"}, &.{}) catch { - std.log.err( - \\ `wayland-scanner` may not be installed on the system. - \\ You can switch to X11 in your `build.zig` by changing `Options.linux_display_backend` - , .{}); - @panic("`wayland-scanner` not found"); - }; - raylib.defineCMacro("_GLFW_WAYLAND", null); - raylib.linkSystemLibrary("wayland-client"); - raylib.linkSystemLibrary("wayland-cursor"); - raylib.linkSystemLibrary("wayland-egl"); - raylib.linkSystemLibrary("xkbcommon"); - waylandGenerate(b, raylib, "wayland.xml", "wayland-client-protocol"); - waylandGenerate(b, raylib, "xdg-shell.xml", "xdg-shell-client-protocol"); - waylandGenerate(b, raylib, "xdg-decoration-unstable-v1.xml", "xdg-decoration-unstable-v1-client-protocol"); - waylandGenerate(b, raylib, "viewporter.xml", "viewporter-client-protocol"); - waylandGenerate(b, raylib, "relative-pointer-unstable-v1.xml", "relative-pointer-unstable-v1-client-protocol"); - waylandGenerate(b, raylib, "pointer-constraints-unstable-v1.xml", "pointer-constraints-unstable-v1-client-protocol"); - waylandGenerate(b, raylib, "fractional-scale-v1.xml", "fractional-scale-v1-client-protocol"); - waylandGenerate(b, raylib, "xdg-activation-v1.xml", "xdg-activation-v1-client-protocol"); - waylandGenerate(b, raylib, "idle-inhibit-unstable-v1.xml", "idle-inhibit-unstable-v1-client-protocol"); - } - setDesktopPlatform(raylib, options.platform); - } else { - if (options.opengl_version == .auto) { - raylib.linkSystemLibrary("GLESv2"); - raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null); - } - - raylib.linkSystemLibrary("EGL"); - raylib.linkSystemLibrary("drm"); - raylib.linkSystemLibrary("gbm"); - raylib.linkSystemLibrary("pthread"); - raylib.linkSystemLibrary("rt"); - raylib.linkSystemLibrary("m"); - raylib.linkSystemLibrary("dl"); - raylib.addIncludePath(.{ .cwd_relative = "/usr/include/libdrm" }); - - raylib.defineCMacro("PLATFORM_DRM", null); - raylib.defineCMacro("EGL_NO_X11", null); - raylib.defineCMacro("DEFAULT_BATCH_BUFFER_ELEMENT", "2048"); - } - }, - .freebsd, .openbsd, .netbsd, .dragonfly => { - try c_source_files.append("rglfw.c"); - raylib.linkSystemLibrary("GL"); - raylib.linkSystemLibrary("rt"); - raylib.linkSystemLibrary("dl"); - raylib.linkSystemLibrary("m"); - raylib.linkSystemLibrary("X11"); - raylib.linkSystemLibrary("Xrandr"); - raylib.linkSystemLibrary("Xinerama"); - raylib.linkSystemLibrary("Xi"); - raylib.linkSystemLibrary("Xxf86vm"); - raylib.linkSystemLibrary("Xcursor"); - - setDesktopPlatform(raylib, options.platform); - }, - .macos => { - // On macos rglfw.c include Objective-C files. - try raylib_flags_arr.append(b.allocator, "-ObjC"); - raylib.root_module.addCSourceFile(.{ - .file = b.path(b.pathJoin(&.{ srcDir(b), "rglfw.c" })), - .flags = raylib_flags_arr.items, - }); - _ = raylib_flags_arr.pop(); - raylib.linkFramework("Foundation"); - raylib.linkFramework("CoreServices"); - raylib.linkFramework("CoreGraphics"); - raylib.linkFramework("AppKit"); - raylib.linkFramework("IOKit"); - - setDesktopPlatform(raylib, options.platform); - }, - .emscripten => { - raylib.defineCMacro("PLATFORM_WEB", null); - if (options.opengl_version == .auto) { - raylib.defineCMacro("GRAPHICS_API_OPENGL_ES2", null); - } - - if (b.sysroot == null) { - @panic("Pass '--sysroot \"$EMSDK/upstream/emscripten\"'"); - } - - const cache_include = b.pathJoin(&.{ b.sysroot.?, "cache", "sysroot", "include" }); - - var dir = std.fs.openDirAbsolute(cache_include, std.fs.Dir.OpenDirOptions{ .access_sub_paths = true, .no_follow = true }) catch @panic("No emscripten cache. Generate it!"); - dir.close(); - raylib.addIncludePath(.{ .cwd_relative = cache_include }); - }, - else => { - @panic("Unsupported OS"); - }, - } - - raylib.root_module.addCSourceFiles(.{ - .root = b.path(srcDir(b)), - .files = c_source_files.items, - .flags = raylib_flags_arr.items, - }); - - return raylib; -} - -/// This function does not need to be called if you passed .raygui = true to addRaylib -pub fn addRaygui(b: *std.Build, raylib: *std.Build.Step.Compile, raygui_dep: *std.Build.Dependency) void { - if (raylib_flags_arr.items.len == 0) { - @panic( - \\argument 2 `raylib` in `addRaygui` must come from b.dependency("raylib", ...).artifact("raylib") - ); - } - - var gen_step = b.addWriteFiles(); - raylib.step.dependOn(&gen_step.step); - - const raygui_c_path = gen_step.add("raygui.c", "#define RAYGUI_IMPLEMENTATION\n#include \"raygui.h\"\n"); - raylib.addCSourceFile(.{ .file = raygui_c_path, .flags = raylib_flags_arr.items }); - raylib.addIncludePath(raygui_dep.path("src")); - - raylib.installHeader(raygui_dep.path("src/raygui.h"), "raygui.h"); -} - -pub const Options = struct { - raudio: bool = true, - rmodels: bool = true, - rshapes: bool = true, - rtext: bool = true, - rtextures: bool = true, - raygui: bool = false, - platform: PlatformBackend = .glfw, - shared: bool = false, - linux_display_backend: LinuxDisplayBackend = .Both, - opengl_version: OpenglVersion = .auto, - /// config should be a list of cflags, eg, "-DSUPPORT_CUSTOM_FRAME_CONTROL" - config: []const u8 = &.{}, - - raygui_dependency_name: []const u8 = "raygui", -}; - -pub const OpenglVersion = enum { - auto, - gl_1_1, - gl_2_1, - gl_3_3, - gl_4_3, - gles_2, - gles_3, - - pub fn toCMacroStr(self: @This()) []const u8 { - switch (self) { - .auto => @panic("OpenglVersion.auto cannot be turned into a C macro string"), - .gl_1_1 => return "GRAPHICS_API_OPENGL_11", - .gl_2_1 => return "GRAPHICS_API_OPENGL_21", - .gl_3_3 => return "GRAPHICS_API_OPENGL_33", - .gl_4_3 => return "GRAPHICS_API_OPENGL_43", - .gles_2 => return "GRAPHICS_API_OPENGL_ES2", - .gles_3 => return "GRAPHICS_API_OPENGL_ES3", - } - } -}; - -pub const LinuxDisplayBackend = enum { - X11, - Wayland, - Both, -}; - -pub const PlatformBackend = enum { - glfw, - rgfw, - sdl, - drm, -}; - -pub fn build(b: *std.Build) !void { - // Standard target options allows the person running `zig build` to choose - // what target to build for. Here we do not override the defaults, which - // means any target is allowed, and the default is native. Other options - // for restricting supported target set are available. - const target = b.standardTargetOptions(.{}); - // Standard optimization options allow the person running `zig build` to select - // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not - // set a preferred release mode, allowing the user to decide how to optimize. - const optimize = b.standardOptimizeOption(.{}); - - const defaults = Options{}; - const options = Options{ - .platform = b.option(PlatformBackend, "platform", "Choose the platform backedn for desktop target") orelse defaults.platform, - .raudio = b.option(bool, "raudio", "Compile with audio support") orelse defaults.raudio, - .raygui = b.option(bool, "raygui", "Compile with raygui support") orelse defaults.raygui, - .rmodels = b.option(bool, "rmodels", "Compile with models support") orelse defaults.rmodels, - .rtext = b.option(bool, "rtext", "Compile with text support") orelse defaults.rtext, - .rtextures = b.option(bool, "rtextures", "Compile with textures support") orelse defaults.rtextures, - .rshapes = b.option(bool, "rshapes", "Compile with shapes support") orelse defaults.rshapes, - .shared = b.option(bool, "shared", "Compile as shared library") orelse defaults.shared, - .linux_display_backend = b.option(LinuxDisplayBackend, "linux_display_backend", "Linux display backend to use") orelse defaults.linux_display_backend, - .opengl_version = b.option(OpenglVersion, "opengl_version", "OpenGL version to use") orelse defaults.opengl_version, - .config = b.option([]const u8, "config", "Compile with custom define macros overriding config.h") orelse &.{}, - }; - - const lib = try compileRaylib(b, target, optimize, options); - - lib.installHeader(b.path(b.pathJoin(&.{ srcDir(b), "raylib.h" })), "raylib.h"); - lib.installHeader(b.path(b.pathJoin(&.{ srcDir(b), "raymath.h" })), "raymath.h"); - lib.installHeader(b.path(b.pathJoin(&.{ srcDir(b), "rlgl.h" })), "rlgl.h"); - - b.installArtifact(lib); -} - -fn waylandGenerate( - b: *std.Build, - raylib: *std.Build.Step.Compile, - comptime protocol: []const u8, - comptime basename: []const u8, -) void { - const waylandDir = b.pathJoin(&.{ srcDir(b), "external/glfw/deps/wayland" }); - const protocolDir = b.pathJoin(&.{ waylandDir, protocol }); - const clientHeader = basename ++ ".h"; - const privateCode = basename ++ "-code.h"; - - const client_step = b.addSystemCommand(&.{ "wayland-scanner", "client-header" }); - client_step.addFileArg(b.path(protocolDir)); - raylib.addIncludePath(client_step.addOutputFileArg(clientHeader).dirname()); - - const private_step = b.addSystemCommand(&.{ "wayland-scanner", "private-code" }); - private_step.addFileArg(b.path(protocolDir)); - raylib.addIncludePath(private_step.addOutputFileArg(privateCode).dirname()); - - raylib.step.dependOn(&client_step.step); - raylib.step.dependOn(&private_step.step); -} diff --git a/src/raylib/external/nanosvg.h b/src/raylib/external/nanosvg.h deleted file mode 100644 index b80f540..0000000 --- a/src/raylib/external/nanosvg.h +++ /dev/null @@ -1,3053 +0,0 @@ -/* - * Copyright (c) 2013-14 Mikko Mononen memon@inside.org - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would be - * appreciated but is not required. - * 2. Altered source versions must be plainly marked as such, and must not be - * misrepresented as being the original software. - * 3. This notice may not be removed or altered from any source distribution. - * - * The SVG parser is based on Anti-Grain Geometry 2.4 SVG example - * Copyright (C) 2002-2004 Maxim Shemanarev (McSeem) (http://www.antigrain.com/) - * - * Arc calculation code based on canvg (https://code.google.com/p/canvg/) - * - * Bounding box calculation based on http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html - * - */ - -#ifndef NANOSVG_H -#define NANOSVG_H - -#ifndef NANOSVG_CPLUSPLUS -#ifdef __cplusplus -extern "C" { -#endif -#endif - -// NanoSVG is a simple stupid single-header-file SVG parse. The output of the parser is a list of cubic bezier shapes. -// -// The library suits well for anything from rendering scalable icons in your editor application to prototyping a game. -// -// NanoSVG supports a wide range of SVG features, but something may be missing, feel free to create a pull request! -// -// The shapes in the SVG images are transformed by the viewBox and converted to specified units. -// That is, you should get the same looking data as your designed in your favorite app. -// -// NanoSVG can return the paths in few different units. For example if you want to render an image, you may choose -// to get the paths in pixels, or if you are feeding the data into a CNC-cutter, you may want to use millimeters. -// -// The units passed to NanoSVG should be one of: 'px', 'pt', 'pc' 'mm', 'cm', or 'in'. -// DPI (dots-per-inch) controls how the unit conversion is done. -// -// If you don't know or care about the units stuff, "px" and 96 should get you going. - - -/* Example Usage: - // Load SVG - NSVGimage* image; - image = nsvgParseFromFile("test.svg", "px", 96); - printf("size: %f x %f\n", image->width, image->height); - // Use... - for (NSVGshape *shape = image->shapes; shape != NULL; shape = shape->next) { - for (NSVGpath *path = shape->paths; path != NULL; path = path->next) { - for (int i = 0; i < path->npts-1; i += 3) { - float* p = &path->pts[i*2]; - drawCubicBez(p[0],p[1], p[2],p[3], p[4],p[5], p[6],p[7]); - } - } - } - // Delete - nsvgDelete(image); -*/ - -enum NSVGpaintType { - NSVG_PAINT_NONE = 0, - NSVG_PAINT_COLOR = 1, - NSVG_PAINT_LINEAR_GRADIENT = 2, - NSVG_PAINT_RADIAL_GRADIENT = 3 -}; - -enum NSVGspreadType { - NSVG_SPREAD_PAD = 0, - NSVG_SPREAD_REFLECT = 1, - NSVG_SPREAD_REPEAT = 2 -}; - -enum NSVGlineJoin { - NSVG_JOIN_MITER = 0, - NSVG_JOIN_ROUND = 1, - NSVG_JOIN_BEVEL = 2 -}; - -enum NSVGlineCap { - NSVG_CAP_BUTT = 0, - NSVG_CAP_ROUND = 1, - NSVG_CAP_SQUARE = 2 -}; - -enum NSVGfillRule { - NSVG_FILLRULE_NONZERO = 0, - NSVG_FILLRULE_EVENODD = 1 -}; - -enum NSVGflags { - NSVG_FLAGS_VISIBLE = 0x01 -}; - -typedef struct NSVGgradientStop { - unsigned int color; - float offset; -} NSVGgradientStop; - -typedef struct NSVGgradient { - float xform[6]; - char spread; - float fx, fy; - int nstops; - NSVGgradientStop stops[1]; -} NSVGgradient; - -typedef struct NSVGpaint { - char type; - union { - unsigned int color; - NSVGgradient* gradient; - }; -} NSVGpaint; - -typedef struct NSVGpath -{ - float* pts; // Cubic bezier points: x0,y0, [cpx1,cpx1,cpx2,cpy2,x1,y1], ... - int npts; // Total number of bezier points. - char closed; // Flag indicating if shapes should be treated as closed. - float bounds[4]; // Tight bounding box of the shape [minx,miny,maxx,maxy]. - struct NSVGpath* next; // Pointer to next path, or NULL if last element. -} NSVGpath; - -typedef struct NSVGshape -{ - char id[64]; // Optional 'id' attr of the shape or its group - NSVGpaint fill; // Fill paint - NSVGpaint stroke; // Stroke paint - float opacity; // Opacity of the shape. - float strokeWidth; // Stroke width (scaled). - float strokeDashOffset; // Stroke dash offset (scaled). - float strokeDashArray[8]; // Stroke dash array (scaled). - char strokeDashCount; // Number of dash values in dash array. - char strokeLineJoin; // Stroke join type. - char strokeLineCap; // Stroke cap type. - float miterLimit; // Miter limit - char fillRule; // Fill rule, see NSVGfillRule. - unsigned char flags; // Logical or of NSVG_FLAGS_* flags - float bounds[4]; // Tight bounding box of the shape [minx,miny,maxx,maxy]. - NSVGpath* paths; // Linked list of paths in the image. - struct NSVGshape* next; // Pointer to next shape, or NULL if last element. -} NSVGshape; - -typedef struct NSVGimage -{ - float width; // Width of the image. - float height; // Height of the image. - NSVGshape* shapes; // Linked list of shapes in the image. -} NSVGimage; - -// Parses SVG file from a file, returns SVG image as paths. -NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi); - -// Parses SVG file from a null terminated string, returns SVG image as paths. -// Important note: changes the string. -NSVGimage* nsvgParse(char* input, const char* units, float dpi); - -// Duplicates a path. -NSVGpath* nsvgDuplicatePath(NSVGpath* p); - -// Deletes an image. -void nsvgDelete(NSVGimage* image); - -#ifndef NANOSVG_CPLUSPLUS -#ifdef __cplusplus -} -#endif -#endif - -#ifdef NANOSVG_IMPLEMENTATION - -#include -#include -#include -#include - -#define NSVG_PI (3.14159265358979323846264338327f) -#define NSVG_KAPPA90 (0.5522847493f) // Length proportional to radius of a cubic bezier handle for 90deg arcs. - -#define NSVG_ALIGN_MIN 0 -#define NSVG_ALIGN_MID 1 -#define NSVG_ALIGN_MAX 2 -#define NSVG_ALIGN_NONE 0 -#define NSVG_ALIGN_MEET 1 -#define NSVG_ALIGN_SLICE 2 - -#define NSVG_NOTUSED(v) do { (void)(1 ? (void)0 : ( (void)(v) ) ); } while(0) -#define NSVG_RGB(r, g, b) (((unsigned int)r) | ((unsigned int)g << 8) | ((unsigned int)b << 16)) - -#ifdef _MSC_VER - #pragma warning (disable: 4996) // Switch off security warnings - #pragma warning (disable: 4100) // Switch off unreferenced formal parameter warnings - #ifdef __cplusplus - #define NSVG_INLINE inline - #else - #define NSVG_INLINE - #endif -#else - #define NSVG_INLINE inline -#endif - - -static int nsvg__isspace(char c) -{ - return strchr(" \t\n\v\f\r", c) != 0; -} - -static int nsvg__isdigit(char c) -{ - return c >= '0' && c <= '9'; -} - -static NSVG_INLINE float nsvg__minf(float a, float b) { return a < b ? a : b; } -static NSVG_INLINE float nsvg__maxf(float a, float b) { return a > b ? a : b; } - - -// Simple XML parser - -#define NSVG_XML_TAG 1 -#define NSVG_XML_CONTENT 2 -#define NSVG_XML_MAX_ATTRIBS 256 - -static void nsvg__parseContent(char* s, - void (*contentCb)(void* ud, const char* s), - void* ud) -{ - // Trim start white spaces - while (*s && nsvg__isspace(*s)) s++; - if (!*s) return; - - if (contentCb) - (*contentCb)(ud, s); -} - -static void nsvg__parseElement(char* s, - void (*startelCb)(void* ud, const char* el, const char** attr), - void (*endelCb)(void* ud, const char* el), - void* ud) -{ - const char* attr[NSVG_XML_MAX_ATTRIBS]; - int nattr = 0; - char* name; - int start = 0; - int end = 0; - char quote; - - // Skip white space after the '<' - while (*s && nsvg__isspace(*s)) s++; - - // Check if the tag is end tag - if (*s == '/') { - s++; - end = 1; - } else { - start = 1; - } - - // Skip comments, data and preprocessor stuff. - if (!*s || *s == '?' || *s == '!') - return; - - // Get tag name - name = s; - while (*s && !nsvg__isspace(*s)) s++; - if (*s) { *s++ = '\0'; } - - // Get attribs - while (!end && *s && nattr < NSVG_XML_MAX_ATTRIBS-3) { - char* name = NULL; - char* value = NULL; - - // Skip white space before the attrib name - while (*s && nsvg__isspace(*s)) s++; - if (!*s) break; - if (*s == '/') { - end = 1; - break; - } - name = s; - // Find end of the attrib name. - while (*s && !nsvg__isspace(*s) && *s != '=') s++; - if (*s) { *s++ = '\0'; } - // Skip until the beginning of the value. - while (*s && *s != '\"' && *s != '\'') s++; - if (!*s) break; - quote = *s; - s++; - // Store value and find the end of it. - value = s; - while (*s && *s != quote) s++; - if (*s) { *s++ = '\0'; } - - // Store only well formed attributes - if (name && value) { - attr[nattr++] = name; - attr[nattr++] = value; - } - } - - // List terminator - attr[nattr++] = 0; - attr[nattr++] = 0; - - // Call callbacks. - if (start && startelCb) - (*startelCb)(ud, name, attr); - if (end && endelCb) - (*endelCb)(ud, name); -} - -int nsvg__parseXML(char* input, - void (*startelCb)(void* ud, const char* el, const char** attr), - void (*endelCb)(void* ud, const char* el), - void (*contentCb)(void* ud, const char* s), - void* ud) -{ - char* s = input; - char* mark = s; - int state = NSVG_XML_CONTENT; - while (*s) { - if (*s == '<' && state == NSVG_XML_CONTENT) { - // Start of a tag - *s++ = '\0'; - nsvg__parseContent(mark, contentCb, ud); - mark = s; - state = NSVG_XML_TAG; - } else if (*s == '>' && state == NSVG_XML_TAG) { - // Start of a content or new tag. - *s++ = '\0'; - nsvg__parseElement(mark, startelCb, endelCb, ud); - mark = s; - state = NSVG_XML_CONTENT; - } else { - s++; - } - } - - return 1; -} - - -/* Simple SVG parser. */ - -#define NSVG_MAX_ATTR 128 - -enum NSVGgradientUnits { - NSVG_USER_SPACE = 0, - NSVG_OBJECT_SPACE = 1 -}; - -#define NSVG_MAX_DASHES 8 - -enum NSVGunits { - NSVG_UNITS_USER, - NSVG_UNITS_PX, - NSVG_UNITS_PT, - NSVG_UNITS_PC, - NSVG_UNITS_MM, - NSVG_UNITS_CM, - NSVG_UNITS_IN, - NSVG_UNITS_PERCENT, - NSVG_UNITS_EM, - NSVG_UNITS_EX -}; - -typedef struct NSVGcoordinate { - float value; - int units; -} NSVGcoordinate; - -typedef struct NSVGlinearData { - NSVGcoordinate x1, y1, x2, y2; -} NSVGlinearData; - -typedef struct NSVGradialData { - NSVGcoordinate cx, cy, r, fx, fy; -} NSVGradialData; - -typedef struct NSVGgradientData -{ - char id[64]; - char ref[64]; - char type; - union { - NSVGlinearData linear; - NSVGradialData radial; - }; - char spread; - char units; - float xform[6]; - int nstops; - NSVGgradientStop* stops; - struct NSVGgradientData* next; -} NSVGgradientData; - -typedef struct NSVGattrib -{ - char id[64]; - float xform[6]; - unsigned int fillColor; - unsigned int strokeColor; - float opacity; - float fillOpacity; - float strokeOpacity; - char fillGradient[64]; - char strokeGradient[64]; - float strokeWidth; - float strokeDashOffset; - float strokeDashArray[NSVG_MAX_DASHES]; - int strokeDashCount; - char strokeLineJoin; - char strokeLineCap; - float miterLimit; - char fillRule; - float fontSize; - unsigned int stopColor; - float stopOpacity; - float stopOffset; - char hasFill; - char hasStroke; - char visible; -} NSVGattrib; - -typedef struct NSVGparser -{ - NSVGattrib attr[NSVG_MAX_ATTR]; - int attrHead; - float* pts; - int npts; - int cpts; - NSVGpath* plist; - NSVGimage* image; - NSVGgradientData* gradients; - NSVGshape* shapesTail; - float viewMinx, viewMiny, viewWidth, viewHeight; - int alignX, alignY, alignType; - float dpi; - char pathFlag; - char defsFlag; -} NSVGparser; - -static void nsvg__xformIdentity(float* t) -{ - t[0] = 1.0f; t[1] = 0.0f; - t[2] = 0.0f; t[3] = 1.0f; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformSetTranslation(float* t, float tx, float ty) -{ - t[0] = 1.0f; t[1] = 0.0f; - t[2] = 0.0f; t[3] = 1.0f; - t[4] = tx; t[5] = ty; -} - -static void nsvg__xformSetScale(float* t, float sx, float sy) -{ - t[0] = sx; t[1] = 0.0f; - t[2] = 0.0f; t[3] = sy; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformSetSkewX(float* t, float a) -{ - t[0] = 1.0f; t[1] = 0.0f; - t[2] = tanf(a); t[3] = 1.0f; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformSetSkewY(float* t, float a) -{ - t[0] = 1.0f; t[1] = tanf(a); - t[2] = 0.0f; t[3] = 1.0f; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformSetRotation(float* t, float a) -{ - float cs = cosf(a), sn = sinf(a); - t[0] = cs; t[1] = sn; - t[2] = -sn; t[3] = cs; - t[4] = 0.0f; t[5] = 0.0f; -} - -static void nsvg__xformMultiply(float* t, float* s) -{ - float t0 = t[0] * s[0] + t[1] * s[2]; - float t2 = t[2] * s[0] + t[3] * s[2]; - float t4 = t[4] * s[0] + t[5] * s[2] + s[4]; - t[1] = t[0] * s[1] + t[1] * s[3]; - t[3] = t[2] * s[1] + t[3] * s[3]; - t[5] = t[4] * s[1] + t[5] * s[3] + s[5]; - t[0] = t0; - t[2] = t2; - t[4] = t4; -} - -static void nsvg__xformInverse(float* inv, float* t) -{ - double invdet, det = (double)t[0] * t[3] - (double)t[2] * t[1]; - if (det > -1e-6 && det < 1e-6) { - nsvg__xformIdentity(t); - return; - } - invdet = 1.0 / det; - inv[0] = (float)(t[3] * invdet); - inv[2] = (float)(-t[2] * invdet); - inv[4] = (float)(((double)t[2] * t[5] - (double)t[3] * t[4]) * invdet); - inv[1] = (float)(-t[1] * invdet); - inv[3] = (float)(t[0] * invdet); - inv[5] = (float)(((double)t[1] * t[4] - (double)t[0] * t[5]) * invdet); -} - -static void nsvg__xformPremultiply(float* t, float* s) -{ - float s2[6]; - memcpy(s2, s, sizeof(float)*6); - nsvg__xformMultiply(s2, t); - memcpy(t, s2, sizeof(float)*6); -} - -static void nsvg__xformPoint(float* dx, float* dy, float x, float y, float* t) -{ - *dx = x*t[0] + y*t[2] + t[4]; - *dy = x*t[1] + y*t[3] + t[5]; -} - -static void nsvg__xformVec(float* dx, float* dy, float x, float y, float* t) -{ - *dx = x*t[0] + y*t[2]; - *dy = x*t[1] + y*t[3]; -} - -#define NSVG_EPSILON (1e-12) - -static int nsvg__ptInBounds(float* pt, float* bounds) -{ - return pt[0] >= bounds[0] && pt[0] <= bounds[2] && pt[1] >= bounds[1] && pt[1] <= bounds[3]; -} - - -static double nsvg__evalBezier(double t, double p0, double p1, double p2, double p3) -{ - double it = 1.0-t; - return it*it*it*p0 + 3.0*it*it*t*p1 + 3.0*it*t*t*p2 + t*t*t*p3; -} - -static void nsvg__curveBounds(float* bounds, float* curve) -{ - int i, j, count; - double roots[2], a, b, c, b2ac, t, v; - float* v0 = &curve[0]; - float* v1 = &curve[2]; - float* v2 = &curve[4]; - float* v3 = &curve[6]; - - // Start the bounding box by end points - bounds[0] = nsvg__minf(v0[0], v3[0]); - bounds[1] = nsvg__minf(v0[1], v3[1]); - bounds[2] = nsvg__maxf(v0[0], v3[0]); - bounds[3] = nsvg__maxf(v0[1], v3[1]); - - // Bezier curve fits inside the convex hull of it's control points. - // If control points are inside the bounds, we're done. - if (nsvg__ptInBounds(v1, bounds) && nsvg__ptInBounds(v2, bounds)) - return; - - // Add bezier curve inflection points in X and Y. - for (i = 0; i < 2; i++) { - a = -3.0 * v0[i] + 9.0 * v1[i] - 9.0 * v2[i] + 3.0 * v3[i]; - b = 6.0 * v0[i] - 12.0 * v1[i] + 6.0 * v2[i]; - c = 3.0 * v1[i] - 3.0 * v0[i]; - count = 0; - if (fabs(a) < NSVG_EPSILON) { - if (fabs(b) > NSVG_EPSILON) { - t = -c / b; - if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) - roots[count++] = t; - } - } else { - b2ac = b*b - 4.0*c*a; - if (b2ac > NSVG_EPSILON) { - t = (-b + sqrt(b2ac)) / (2.0 * a); - if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) - roots[count++] = t; - t = (-b - sqrt(b2ac)) / (2.0 * a); - if (t > NSVG_EPSILON && t < 1.0-NSVG_EPSILON) - roots[count++] = t; - } - } - for (j = 0; j < count; j++) { - v = nsvg__evalBezier(roots[j], v0[i], v1[i], v2[i], v3[i]); - bounds[0+i] = nsvg__minf(bounds[0+i], (float)v); - bounds[2+i] = nsvg__maxf(bounds[2+i], (float)v); - } - } -} - -static NSVGparser* nsvg__createParser(void) -{ - NSVGparser* p; - p = (NSVGparser*)malloc(sizeof(NSVGparser)); - if (p == NULL) goto error; - memset(p, 0, sizeof(NSVGparser)); - - p->image = (NSVGimage*)malloc(sizeof(NSVGimage)); - if (p->image == NULL) goto error; - memset(p->image, 0, sizeof(NSVGimage)); - - // Init style - nsvg__xformIdentity(p->attr[0].xform); - memset(p->attr[0].id, 0, sizeof p->attr[0].id); - p->attr[0].fillColor = NSVG_RGB(0,0,0); - p->attr[0].strokeColor = NSVG_RGB(0,0,0); - p->attr[0].opacity = 1; - p->attr[0].fillOpacity = 1; - p->attr[0].strokeOpacity = 1; - p->attr[0].stopOpacity = 1; - p->attr[0].strokeWidth = 1; - p->attr[0].strokeLineJoin = NSVG_JOIN_MITER; - p->attr[0].strokeLineCap = NSVG_CAP_BUTT; - p->attr[0].miterLimit = 4; - p->attr[0].fillRule = NSVG_FILLRULE_NONZERO; - p->attr[0].hasFill = 1; - p->attr[0].visible = 1; - - return p; - -error: - if (p) { - if (p->image) free(p->image); - free(p); - } - return NULL; -} - -static void nsvg__deletePaths(NSVGpath* path) -{ - while (path) { - NSVGpath *next = path->next; - if (path->pts != NULL) - free(path->pts); - free(path); - path = next; - } -} - -static void nsvg__deletePaint(NSVGpaint* paint) -{ - if (paint->type == NSVG_PAINT_LINEAR_GRADIENT || paint->type == NSVG_PAINT_RADIAL_GRADIENT) - free(paint->gradient); -} - -static void nsvg__deleteGradientData(NSVGgradientData* grad) -{ - NSVGgradientData* next; - while (grad != NULL) { - next = grad->next; - free(grad->stops); - free(grad); - grad = next; - } -} - -static void nsvg__deleteParser(NSVGparser* p) -{ - if (p != NULL) { - nsvg__deletePaths(p->plist); - nsvg__deleteGradientData(p->gradients); - nsvgDelete(p->image); - free(p->pts); - free(p); - } -} - -static void nsvg__resetPath(NSVGparser* p) -{ - p->npts = 0; -} - -static void nsvg__addPoint(NSVGparser* p, float x, float y) -{ - if (p->npts+1 > p->cpts) { - p->cpts = p->cpts ? p->cpts*2 : 8; - p->pts = (float*)realloc(p->pts, p->cpts*2*sizeof(float)); - if (!p->pts) return; - } - p->pts[p->npts*2+0] = x; - p->pts[p->npts*2+1] = y; - p->npts++; -} - -static void nsvg__moveTo(NSVGparser* p, float x, float y) -{ - if (p->npts > 0) { - p->pts[(p->npts-1)*2+0] = x; - p->pts[(p->npts-1)*2+1] = y; - } else { - nsvg__addPoint(p, x, y); - } -} - -static void nsvg__lineTo(NSVGparser* p, float x, float y) -{ - float px,py, dx,dy; - if (p->npts > 0) { - px = p->pts[(p->npts-1)*2+0]; - py = p->pts[(p->npts-1)*2+1]; - dx = x - px; - dy = y - py; - nsvg__addPoint(p, px + dx/3.0f, py + dy/3.0f); - nsvg__addPoint(p, x - dx/3.0f, y - dy/3.0f); - nsvg__addPoint(p, x, y); - } -} - -static void nsvg__cubicBezTo(NSVGparser* p, float cpx1, float cpy1, float cpx2, float cpy2, float x, float y) -{ - if (p->npts > 0) { - nsvg__addPoint(p, cpx1, cpy1); - nsvg__addPoint(p, cpx2, cpy2); - nsvg__addPoint(p, x, y); - } -} - -static NSVGattrib* nsvg__getAttr(NSVGparser* p) -{ - return &p->attr[p->attrHead]; -} - -static void nsvg__pushAttr(NSVGparser* p) -{ - if (p->attrHead < NSVG_MAX_ATTR-1) { - p->attrHead++; - memcpy(&p->attr[p->attrHead], &p->attr[p->attrHead-1], sizeof(NSVGattrib)); - } -} - -static void nsvg__popAttr(NSVGparser* p) -{ - if (p->attrHead > 0) - p->attrHead--; -} - -static float nsvg__actualOrigX(NSVGparser* p) -{ - return p->viewMinx; -} - -static float nsvg__actualOrigY(NSVGparser* p) -{ - return p->viewMiny; -} - -static float nsvg__actualWidth(NSVGparser* p) -{ - return p->viewWidth; -} - -static float nsvg__actualHeight(NSVGparser* p) -{ - return p->viewHeight; -} - -static float nsvg__actualLength(NSVGparser* p) -{ - float w = nsvg__actualWidth(p), h = nsvg__actualHeight(p); - return sqrtf(w*w + h*h) / sqrtf(2.0f); -} - -static float nsvg__convertToPixels(NSVGparser* p, NSVGcoordinate c, float orig, float length) -{ - NSVGattrib* attr = nsvg__getAttr(p); - switch (c.units) { - case NSVG_UNITS_USER: return c.value; - case NSVG_UNITS_PX: return c.value; - case NSVG_UNITS_PT: return c.value / 72.0f * p->dpi; - case NSVG_UNITS_PC: return c.value / 6.0f * p->dpi; - case NSVG_UNITS_MM: return c.value / 25.4f * p->dpi; - case NSVG_UNITS_CM: return c.value / 2.54f * p->dpi; - case NSVG_UNITS_IN: return c.value * p->dpi; - case NSVG_UNITS_EM: return c.value * attr->fontSize; - case NSVG_UNITS_EX: return c.value * attr->fontSize * 0.52f; // x-height of Helvetica. - case NSVG_UNITS_PERCENT: return orig + c.value / 100.0f * length; - default: return c.value; - } - return c.value; -} - -static NSVGgradientData* nsvg__findGradientData(NSVGparser* p, const char* id) -{ - NSVGgradientData* grad = p->gradients; - if (id == NULL || *id == '\0') - return NULL; - while (grad != NULL) { - if (strcmp(grad->id, id) == 0) - return grad; - grad = grad->next; - } - return NULL; -} - -static NSVGgradient* nsvg__createGradient(NSVGparser* p, const char* id, const float* localBounds, char* paintType) -{ - NSVGattrib* attr = nsvg__getAttr(p); - NSVGgradientData* data = NULL; - NSVGgradientData* ref = NULL; - NSVGgradientStop* stops = NULL; - NSVGgradient* grad; - float ox, oy, sw, sh, sl; - int nstops = 0; - int refIter; - - data = nsvg__findGradientData(p, id); - if (data == NULL) return NULL; - - // TODO: use ref to fill in all unset values too. - ref = data; - refIter = 0; - while (ref != NULL) { - NSVGgradientData* nextRef = NULL; - if (stops == NULL && ref->stops != NULL) { - stops = ref->stops; - nstops = ref->nstops; - break; - } - nextRef = nsvg__findGradientData(p, ref->ref); - if (nextRef == ref) break; // prevent infite loops on malformed data - ref = nextRef; - refIter++; - if (refIter > 32) break; // prevent infite loops on malformed data - } - if (stops == NULL) return NULL; - - grad = (NSVGgradient*)malloc(sizeof(NSVGgradient) + sizeof(NSVGgradientStop)*(nstops-1)); - if (grad == NULL) return NULL; - - // The shape width and height. - if (data->units == NSVG_OBJECT_SPACE) { - ox = localBounds[0]; - oy = localBounds[1]; - sw = localBounds[2] - localBounds[0]; - sh = localBounds[3] - localBounds[1]; - } else { - ox = nsvg__actualOrigX(p); - oy = nsvg__actualOrigY(p); - sw = nsvg__actualWidth(p); - sh = nsvg__actualHeight(p); - } - sl = sqrtf(sw*sw + sh*sh) / sqrtf(2.0f); - - if (data->type == NSVG_PAINT_LINEAR_GRADIENT) { - float x1, y1, x2, y2, dx, dy; - x1 = nsvg__convertToPixels(p, data->linear.x1, ox, sw); - y1 = nsvg__convertToPixels(p, data->linear.y1, oy, sh); - x2 = nsvg__convertToPixels(p, data->linear.x2, ox, sw); - y2 = nsvg__convertToPixels(p, data->linear.y2, oy, sh); - // Calculate transform aligned to the line - dx = x2 - x1; - dy = y2 - y1; - grad->xform[0] = dy; grad->xform[1] = -dx; - grad->xform[2] = dx; grad->xform[3] = dy; - grad->xform[4] = x1; grad->xform[5] = y1; - } else { - float cx, cy, fx, fy, r; - cx = nsvg__convertToPixels(p, data->radial.cx, ox, sw); - cy = nsvg__convertToPixels(p, data->radial.cy, oy, sh); - fx = nsvg__convertToPixels(p, data->radial.fx, ox, sw); - fy = nsvg__convertToPixels(p, data->radial.fy, oy, sh); - r = nsvg__convertToPixels(p, data->radial.r, 0, sl); - // Calculate transform aligned to the circle - grad->xform[0] = r; grad->xform[1] = 0; - grad->xform[2] = 0; grad->xform[3] = r; - grad->xform[4] = cx; grad->xform[5] = cy; - grad->fx = fx / r; - grad->fy = fy / r; - } - - nsvg__xformMultiply(grad->xform, data->xform); - nsvg__xformMultiply(grad->xform, attr->xform); - - grad->spread = data->spread; - memcpy(grad->stops, stops, nstops*sizeof(NSVGgradientStop)); - grad->nstops = nstops; - - *paintType = data->type; - - return grad; -} - -static float nsvg__getAverageScale(float* t) -{ - float sx = sqrtf(t[0]*t[0] + t[2]*t[2]); - float sy = sqrtf(t[1]*t[1] + t[3]*t[3]); - return (sx + sy) * 0.5f; -} - -static void nsvg__getLocalBounds(float* bounds, NSVGshape *shape, float* xform) -{ - NSVGpath* path; - float curve[4*2], curveBounds[4]; - int i, first = 1; - for (path = shape->paths; path != NULL; path = path->next) { - nsvg__xformPoint(&curve[0], &curve[1], path->pts[0], path->pts[1], xform); - for (i = 0; i < path->npts-1; i += 3) { - nsvg__xformPoint(&curve[2], &curve[3], path->pts[(i+1)*2], path->pts[(i+1)*2+1], xform); - nsvg__xformPoint(&curve[4], &curve[5], path->pts[(i+2)*2], path->pts[(i+2)*2+1], xform); - nsvg__xformPoint(&curve[6], &curve[7], path->pts[(i+3)*2], path->pts[(i+3)*2+1], xform); - nsvg__curveBounds(curveBounds, curve); - if (first) { - bounds[0] = curveBounds[0]; - bounds[1] = curveBounds[1]; - bounds[2] = curveBounds[2]; - bounds[3] = curveBounds[3]; - first = 0; - } else { - bounds[0] = nsvg__minf(bounds[0], curveBounds[0]); - bounds[1] = nsvg__minf(bounds[1], curveBounds[1]); - bounds[2] = nsvg__maxf(bounds[2], curveBounds[2]); - bounds[3] = nsvg__maxf(bounds[3], curveBounds[3]); - } - curve[0] = curve[6]; - curve[1] = curve[7]; - } - } -} - -static void nsvg__addShape(NSVGparser* p) -{ - NSVGattrib* attr = nsvg__getAttr(p); - float scale = 1.0f; - NSVGshape* shape; - NSVGpath* path; - int i; - - if (p->plist == NULL) - return; - - shape = (NSVGshape*)malloc(sizeof(NSVGshape)); - if (shape == NULL) goto error; - memset(shape, 0, sizeof(NSVGshape)); - - memcpy(shape->id, attr->id, sizeof shape->id); - scale = nsvg__getAverageScale(attr->xform); - shape->strokeWidth = attr->strokeWidth * scale; - shape->strokeDashOffset = attr->strokeDashOffset * scale; - shape->strokeDashCount = (char)attr->strokeDashCount; - for (i = 0; i < attr->strokeDashCount; i++) - shape->strokeDashArray[i] = attr->strokeDashArray[i] * scale; - shape->strokeLineJoin = attr->strokeLineJoin; - shape->strokeLineCap = attr->strokeLineCap; - shape->miterLimit = attr->miterLimit; - shape->fillRule = attr->fillRule; - shape->opacity = attr->opacity; - - shape->paths = p->plist; - p->plist = NULL; - - // Calculate shape bounds - shape->bounds[0] = shape->paths->bounds[0]; - shape->bounds[1] = shape->paths->bounds[1]; - shape->bounds[2] = shape->paths->bounds[2]; - shape->bounds[3] = shape->paths->bounds[3]; - for (path = shape->paths->next; path != NULL; path = path->next) { - shape->bounds[0] = nsvg__minf(shape->bounds[0], path->bounds[0]); - shape->bounds[1] = nsvg__minf(shape->bounds[1], path->bounds[1]); - shape->bounds[2] = nsvg__maxf(shape->bounds[2], path->bounds[2]); - shape->bounds[3] = nsvg__maxf(shape->bounds[3], path->bounds[3]); - } - - // Set fill - if (attr->hasFill == 0) { - shape->fill.type = NSVG_PAINT_NONE; - } else if (attr->hasFill == 1) { - shape->fill.type = NSVG_PAINT_COLOR; - shape->fill.color = attr->fillColor; - shape->fill.color |= (unsigned int)(attr->fillOpacity*255) << 24; - } else if (attr->hasFill == 2) { - float inv[6], localBounds[4]; - nsvg__xformInverse(inv, attr->xform); - nsvg__getLocalBounds(localBounds, shape, inv); - shape->fill.gradient = nsvg__createGradient(p, attr->fillGradient, localBounds, &shape->fill.type); - if (shape->fill.gradient == NULL) { - shape->fill.type = NSVG_PAINT_NONE; - } - } - - // Set stroke - if (attr->hasStroke == 0) { - shape->stroke.type = NSVG_PAINT_NONE; - } else if (attr->hasStroke == 1) { - shape->stroke.type = NSVG_PAINT_COLOR; - shape->stroke.color = attr->strokeColor; - shape->stroke.color |= (unsigned int)(attr->strokeOpacity*255) << 24; - } else if (attr->hasStroke == 2) { - float inv[6], localBounds[4]; - nsvg__xformInverse(inv, attr->xform); - nsvg__getLocalBounds(localBounds, shape, inv); - shape->stroke.gradient = nsvg__createGradient(p, attr->strokeGradient, localBounds, &shape->stroke.type); - if (shape->stroke.gradient == NULL) - shape->stroke.type = NSVG_PAINT_NONE; - } - - // Set flags - shape->flags = (attr->visible ? NSVG_FLAGS_VISIBLE : 0x00); - - // Add to tail - if (p->image->shapes == NULL) - p->image->shapes = shape; - else - p->shapesTail->next = shape; - p->shapesTail = shape; - - return; - -error: - if (shape) free(shape); -} - -static void nsvg__addPath(NSVGparser* p, char closed) -{ - NSVGattrib* attr = nsvg__getAttr(p); - NSVGpath* path = NULL; - float bounds[4]; - float* curve; - int i; - - if (p->npts < 4) - return; - - if (closed) - nsvg__lineTo(p, p->pts[0], p->pts[1]); - - // Expect 1 + N*3 points (N = number of cubic bezier segments). - if ((p->npts % 3) != 1) - return; - - path = (NSVGpath*)malloc(sizeof(NSVGpath)); - if (path == NULL) goto error; - memset(path, 0, sizeof(NSVGpath)); - - path->pts = (float*)malloc(p->npts*2*sizeof(float)); - if (path->pts == NULL) goto error; - path->closed = closed; - path->npts = p->npts; - - // Transform path. - for (i = 0; i < p->npts; ++i) - nsvg__xformPoint(&path->pts[i*2], &path->pts[i*2+1], p->pts[i*2], p->pts[i*2+1], attr->xform); - - // Find bounds - for (i = 0; i < path->npts-1; i += 3) { - curve = &path->pts[i*2]; - nsvg__curveBounds(bounds, curve); - if (i == 0) { - path->bounds[0] = bounds[0]; - path->bounds[1] = bounds[1]; - path->bounds[2] = bounds[2]; - path->bounds[3] = bounds[3]; - } else { - path->bounds[0] = nsvg__minf(path->bounds[0], bounds[0]); - path->bounds[1] = nsvg__minf(path->bounds[1], bounds[1]); - path->bounds[2] = nsvg__maxf(path->bounds[2], bounds[2]); - path->bounds[3] = nsvg__maxf(path->bounds[3], bounds[3]); - } - } - - path->next = p->plist; - p->plist = path; - - return; - -error: - if (path != NULL) { - if (path->pts != NULL) free(path->pts); - free(path); - } -} - -// We roll our own string to float because the std library one uses locale and messes things up. -static double nsvg__atof(const char* s) -{ - char* cur = (char*)s; - char* end = NULL; - double res = 0.0, sign = 1.0; - long long intPart = 0, fracPart = 0; - char hasIntPart = 0, hasFracPart = 0; - - // Parse optional sign - if (*cur == '+') { - cur++; - } else if (*cur == '-') { - sign = -1; - cur++; - } - - // Parse integer part - if (nsvg__isdigit(*cur)) { - // Parse digit sequence - intPart = strtoll(cur, &end, 10); - if (cur != end) { - res = (double)intPart; - hasIntPart = 1; - cur = end; - } - } - - // Parse fractional part. - if (*cur == '.') { - cur++; // Skip '.' - if (nsvg__isdigit(*cur)) { - // Parse digit sequence - fracPart = strtoll(cur, &end, 10); - if (cur != end) { - res += (double)fracPart / pow(10.0, (double)(end - cur)); - hasFracPart = 1; - cur = end; - } - } - } - - // A valid number should have integer or fractional part. - if (!hasIntPart && !hasFracPart) - return 0.0; - - // Parse optional exponent - if (*cur == 'e' || *cur == 'E') { - long expPart = 0; - cur++; // skip 'E' - expPart = strtol(cur, &end, 10); // Parse digit sequence with sign - if (cur != end) { - res *= pow(10.0, (double)expPart); - } - } - - return res * sign; -} - - -static const char* nsvg__parseNumber(const char* s, char* it, const int size) -{ - const int last = size-1; - int i = 0; - - // sign - if (*s == '-' || *s == '+') { - if (i < last) it[i++] = *s; - s++; - } - // integer part - while (*s && nsvg__isdigit(*s)) { - if (i < last) it[i++] = *s; - s++; - } - if (*s == '.') { - // decimal point - if (i < last) it[i++] = *s; - s++; - // fraction part - while (*s && nsvg__isdigit(*s)) { - if (i < last) it[i++] = *s; - s++; - } - } - // exponent - if ((*s == 'e' || *s == 'E') && (s[1] != 'm' && s[1] != 'x')) { - if (i < last) it[i++] = *s; - s++; - if (*s == '-' || *s == '+') { - if (i < last) it[i++] = *s; - s++; - } - while (*s && nsvg__isdigit(*s)) { - if (i < last) it[i++] = *s; - s++; - } - } - it[i] = '\0'; - - return s; -} - -static const char* nsvg__getNextPathItem(const char* s, char* it) -{ - it[0] = '\0'; - // Skip white spaces and commas - while (*s && (nsvg__isspace(*s) || *s == ',')) s++; - if (!*s) return s; - if (*s == '-' || *s == '+' || *s == '.' || nsvg__isdigit(*s)) { - s = nsvg__parseNumber(s, it, 64); - } else { - // Parse command - it[0] = *s++; - it[1] = '\0'; - return s; - } - - return s; -} - -static unsigned int nsvg__parseColorHex(const char* str) -{ - unsigned int r=0, g=0, b=0; - if (sscanf(str, "#%2x%2x%2x", &r, &g, &b) == 3 ) // 2 digit hex - return NSVG_RGB(r, g, b); - if (sscanf(str, "#%1x%1x%1x", &r, &g, &b) == 3 ) // 1 digit hex, e.g. #abc -> 0xccbbaa - return NSVG_RGB(r*17, g*17, b*17); // same effect as (r<<4|r), (g<<4|g), .. - return NSVG_RGB(128, 128, 128); -} - -// Parse rgb color. The pointer 'str' must point at "rgb(" (4+ characters). -// This function returns gray (rgb(128, 128, 128) == '#808080') on parse errors -// for backwards compatibility. Note: other image viewers return black instead. - -static unsigned int nsvg__parseColorRGB(const char* str) -{ - int i; - unsigned int rgbi[3]; - float rgbf[3]; - // try decimal integers first - if (sscanf(str, "rgb(%u, %u, %u)", &rgbi[0], &rgbi[1], &rgbi[2]) != 3) { - // integers failed, try percent values (float, locale independent) - const char delimiter[3] = {',', ',', ')'}; - str += 4; // skip "rgb(" - for (i = 0; i < 3; i++) { - while (*str && (nsvg__isspace(*str))) str++; // skip leading spaces - if (*str == '+') str++; // skip '+' (don't allow '-') - if (!*str) break; - rgbf[i] = nsvg__atof(str); - - // Note 1: it would be great if nsvg__atof() returned how many - // bytes it consumed but it doesn't. We need to skip the number, - // the '%' character, spaces, and the delimiter ',' or ')'. - - // Note 2: The following code does not allow values like "33.%", - // i.e. a decimal point w/o fractional part, but this is consistent - // with other image viewers, e.g. firefox, chrome, eog, gimp. - - while (*str && nsvg__isdigit(*str)) str++; // skip integer part - if (*str == '.') { - str++; - if (!nsvg__isdigit(*str)) break; // error: no digit after '.' - while (*str && nsvg__isdigit(*str)) str++; // skip fractional part - } - if (*str == '%') str++; else break; - while (nsvg__isspace(*str)) str++; - if (*str == delimiter[i]) str++; - else break; - } - if (i == 3) { - rgbi[0] = roundf(rgbf[0] * 2.55f); - rgbi[1] = roundf(rgbf[1] * 2.55f); - rgbi[2] = roundf(rgbf[2] * 2.55f); - } else { - rgbi[0] = rgbi[1] = rgbi[2] = 128; - } - } - // clip values as the CSS spec requires - for (i = 0; i < 3; i++) { - if (rgbi[i] > 255) rgbi[i] = 255; - } - return NSVG_RGB(rgbi[0], rgbi[1], rgbi[2]); -} - -typedef struct NSVGNamedColor { - const char* name; - unsigned int color; -} NSVGNamedColor; - -NSVGNamedColor nsvg__colors[] = { - - { "red", NSVG_RGB(255, 0, 0) }, - { "green", NSVG_RGB( 0, 128, 0) }, - { "blue", NSVG_RGB( 0, 0, 255) }, - { "yellow", NSVG_RGB(255, 255, 0) }, - { "cyan", NSVG_RGB( 0, 255, 255) }, - { "magenta", NSVG_RGB(255, 0, 255) }, - { "black", NSVG_RGB( 0, 0, 0) }, - { "grey", NSVG_RGB(128, 128, 128) }, - { "gray", NSVG_RGB(128, 128, 128) }, - { "white", NSVG_RGB(255, 255, 255) }, - -#ifdef NANOSVG_ALL_COLOR_KEYWORDS - { "aliceblue", NSVG_RGB(240, 248, 255) }, - { "antiquewhite", NSVG_RGB(250, 235, 215) }, - { "aqua", NSVG_RGB( 0, 255, 255) }, - { "aquamarine", NSVG_RGB(127, 255, 212) }, - { "azure", NSVG_RGB(240, 255, 255) }, - { "beige", NSVG_RGB(245, 245, 220) }, - { "bisque", NSVG_RGB(255, 228, 196) }, - { "blanchedalmond", NSVG_RGB(255, 235, 205) }, - { "blueviolet", NSVG_RGB(138, 43, 226) }, - { "brown", NSVG_RGB(165, 42, 42) }, - { "burlywood", NSVG_RGB(222, 184, 135) }, - { "cadetblue", NSVG_RGB( 95, 158, 160) }, - { "chartreuse", NSVG_RGB(127, 255, 0) }, - { "chocolate", NSVG_RGB(210, 105, 30) }, - { "coral", NSVG_RGB(255, 127, 80) }, - { "cornflowerblue", NSVG_RGB(100, 149, 237) }, - { "cornsilk", NSVG_RGB(255, 248, 220) }, - { "crimson", NSVG_RGB(220, 20, 60) }, - { "darkblue", NSVG_RGB( 0, 0, 139) }, - { "darkcyan", NSVG_RGB( 0, 139, 139) }, - { "darkgoldenrod", NSVG_RGB(184, 134, 11) }, - { "darkgray", NSVG_RGB(169, 169, 169) }, - { "darkgreen", NSVG_RGB( 0, 100, 0) }, - { "darkgrey", NSVG_RGB(169, 169, 169) }, - { "darkkhaki", NSVG_RGB(189, 183, 107) }, - { "darkmagenta", NSVG_RGB(139, 0, 139) }, - { "darkolivegreen", NSVG_RGB( 85, 107, 47) }, - { "darkorange", NSVG_RGB(255, 140, 0) }, - { "darkorchid", NSVG_RGB(153, 50, 204) }, - { "darkred", NSVG_RGB(139, 0, 0) }, - { "darksalmon", NSVG_RGB(233, 150, 122) }, - { "darkseagreen", NSVG_RGB(143, 188, 143) }, - { "darkslateblue", NSVG_RGB( 72, 61, 139) }, - { "darkslategray", NSVG_RGB( 47, 79, 79) }, - { "darkslategrey", NSVG_RGB( 47, 79, 79) }, - { "darkturquoise", NSVG_RGB( 0, 206, 209) }, - { "darkviolet", NSVG_RGB(148, 0, 211) }, - { "deeppink", NSVG_RGB(255, 20, 147) }, - { "deepskyblue", NSVG_RGB( 0, 191, 255) }, - { "dimgray", NSVG_RGB(105, 105, 105) }, - { "dimgrey", NSVG_RGB(105, 105, 105) }, - { "dodgerblue", NSVG_RGB( 30, 144, 255) }, - { "firebrick", NSVG_RGB(178, 34, 34) }, - { "floralwhite", NSVG_RGB(255, 250, 240) }, - { "forestgreen", NSVG_RGB( 34, 139, 34) }, - { "fuchsia", NSVG_RGB(255, 0, 255) }, - { "gainsboro", NSVG_RGB(220, 220, 220) }, - { "ghostwhite", NSVG_RGB(248, 248, 255) }, - { "gold", NSVG_RGB(255, 215, 0) }, - { "goldenrod", NSVG_RGB(218, 165, 32) }, - { "greenyellow", NSVG_RGB(173, 255, 47) }, - { "honeydew", NSVG_RGB(240, 255, 240) }, - { "hotpink", NSVG_RGB(255, 105, 180) }, - { "indianred", NSVG_RGB(205, 92, 92) }, - { "indigo", NSVG_RGB( 75, 0, 130) }, - { "ivory", NSVG_RGB(255, 255, 240) }, - { "khaki", NSVG_RGB(240, 230, 140) }, - { "lavender", NSVG_RGB(230, 230, 250) }, - { "lavenderblush", NSVG_RGB(255, 240, 245) }, - { "lawngreen", NSVG_RGB(124, 252, 0) }, - { "lemonchiffon", NSVG_RGB(255, 250, 205) }, - { "lightblue", NSVG_RGB(173, 216, 230) }, - { "lightcoral", NSVG_RGB(240, 128, 128) }, - { "lightcyan", NSVG_RGB(224, 255, 255) }, - { "lightgoldenrodyellow", NSVG_RGB(250, 250, 210) }, - { "lightgray", NSVG_RGB(211, 211, 211) }, - { "lightgreen", NSVG_RGB(144, 238, 144) }, - { "lightgrey", NSVG_RGB(211, 211, 211) }, - { "lightpink", NSVG_RGB(255, 182, 193) }, - { "lightsalmon", NSVG_RGB(255, 160, 122) }, - { "lightseagreen", NSVG_RGB( 32, 178, 170) }, - { "lightskyblue", NSVG_RGB(135, 206, 250) }, - { "lightslategray", NSVG_RGB(119, 136, 153) }, - { "lightslategrey", NSVG_RGB(119, 136, 153) }, - { "lightsteelblue", NSVG_RGB(176, 196, 222) }, - { "lightyellow", NSVG_RGB(255, 255, 224) }, - { "lime", NSVG_RGB( 0, 255, 0) }, - { "limegreen", NSVG_RGB( 50, 205, 50) }, - { "linen", NSVG_RGB(250, 240, 230) }, - { "maroon", NSVG_RGB(128, 0, 0) }, - { "mediumaquamarine", NSVG_RGB(102, 205, 170) }, - { "mediumblue", NSVG_RGB( 0, 0, 205) }, - { "mediumorchid", NSVG_RGB(186, 85, 211) }, - { "mediumpurple", NSVG_RGB(147, 112, 219) }, - { "mediumseagreen", NSVG_RGB( 60, 179, 113) }, - { "mediumslateblue", NSVG_RGB(123, 104, 238) }, - { "mediumspringgreen", NSVG_RGB( 0, 250, 154) }, - { "mediumturquoise", NSVG_RGB( 72, 209, 204) }, - { "mediumvioletred", NSVG_RGB(199, 21, 133) }, - { "midnightblue", NSVG_RGB( 25, 25, 112) }, - { "mintcream", NSVG_RGB(245, 255, 250) }, - { "mistyrose", NSVG_RGB(255, 228, 225) }, - { "moccasin", NSVG_RGB(255, 228, 181) }, - { "navajowhite", NSVG_RGB(255, 222, 173) }, - { "navy", NSVG_RGB( 0, 0, 128) }, - { "oldlace", NSVG_RGB(253, 245, 230) }, - { "olive", NSVG_RGB(128, 128, 0) }, - { "olivedrab", NSVG_RGB(107, 142, 35) }, - { "orange", NSVG_RGB(255, 165, 0) }, - { "orangered", NSVG_RGB(255, 69, 0) }, - { "orchid", NSVG_RGB(218, 112, 214) }, - { "palegoldenrod", NSVG_RGB(238, 232, 170) }, - { "palegreen", NSVG_RGB(152, 251, 152) }, - { "paleturquoise", NSVG_RGB(175, 238, 238) }, - { "palevioletred", NSVG_RGB(219, 112, 147) }, - { "papayawhip", NSVG_RGB(255, 239, 213) }, - { "peachpuff", NSVG_RGB(255, 218, 185) }, - { "peru", NSVG_RGB(205, 133, 63) }, - { "pink", NSVG_RGB(255, 192, 203) }, - { "plum", NSVG_RGB(221, 160, 221) }, - { "powderblue", NSVG_RGB(176, 224, 230) }, - { "purple", NSVG_RGB(128, 0, 128) }, - { "rosybrown", NSVG_RGB(188, 143, 143) }, - { "royalblue", NSVG_RGB( 65, 105, 225) }, - { "saddlebrown", NSVG_RGB(139, 69, 19) }, - { "salmon", NSVG_RGB(250, 128, 114) }, - { "sandybrown", NSVG_RGB(244, 164, 96) }, - { "seagreen", NSVG_RGB( 46, 139, 87) }, - { "seashell", NSVG_RGB(255, 245, 238) }, - { "sienna", NSVG_RGB(160, 82, 45) }, - { "silver", NSVG_RGB(192, 192, 192) }, - { "skyblue", NSVG_RGB(135, 206, 235) }, - { "slateblue", NSVG_RGB(106, 90, 205) }, - { "slategray", NSVG_RGB(112, 128, 144) }, - { "slategrey", NSVG_RGB(112, 128, 144) }, - { "snow", NSVG_RGB(255, 250, 250) }, - { "springgreen", NSVG_RGB( 0, 255, 127) }, - { "steelblue", NSVG_RGB( 70, 130, 180) }, - { "tan", NSVG_RGB(210, 180, 140) }, - { "teal", NSVG_RGB( 0, 128, 128) }, - { "thistle", NSVG_RGB(216, 191, 216) }, - { "tomato", NSVG_RGB(255, 99, 71) }, - { "turquoise", NSVG_RGB( 64, 224, 208) }, - { "violet", NSVG_RGB(238, 130, 238) }, - { "wheat", NSVG_RGB(245, 222, 179) }, - { "whitesmoke", NSVG_RGB(245, 245, 245) }, - { "yellowgreen", NSVG_RGB(154, 205, 50) }, -#endif -}; - -static unsigned int nsvg__parseColorName(const char* str) -{ - int i, ncolors = sizeof(nsvg__colors) / sizeof(NSVGNamedColor); - - for (i = 0; i < ncolors; i++) { - if (strcmp(nsvg__colors[i].name, str) == 0) { - return nsvg__colors[i].color; - } - } - - return NSVG_RGB(128, 128, 128); -} - -static unsigned int nsvg__parseColor(const char* str) -{ - size_t len = 0; - while(*str == ' ') ++str; - len = strlen(str); - if (len >= 1 && *str == '#') - return nsvg__parseColorHex(str); - else if (len >= 4 && str[0] == 'r' && str[1] == 'g' && str[2] == 'b' && str[3] == '(') - return nsvg__parseColorRGB(str); - return nsvg__parseColorName(str); -} - -static float nsvg__parseOpacity(const char* str) -{ - float val = nsvg__atof(str); - if (val < 0.0f) val = 0.0f; - if (val > 1.0f) val = 1.0f; - return val; -} - -static float nsvg__parseMiterLimit(const char* str) -{ - float val = nsvg__atof(str); - if (val < 0.0f) val = 0.0f; - return val; -} - -static int nsvg__parseUnits(const char* units) -{ - if (units[0] == 'p' && units[1] == 'x') - return NSVG_UNITS_PX; - else if (units[0] == 'p' && units[1] == 't') - return NSVG_UNITS_PT; - else if (units[0] == 'p' && units[1] == 'c') - return NSVG_UNITS_PC; - else if (units[0] == 'm' && units[1] == 'm') - return NSVG_UNITS_MM; - else if (units[0] == 'c' && units[1] == 'm') - return NSVG_UNITS_CM; - else if (units[0] == 'i' && units[1] == 'n') - return NSVG_UNITS_IN; - else if (units[0] == '%') - return NSVG_UNITS_PERCENT; - else if (units[0] == 'e' && units[1] == 'm') - return NSVG_UNITS_EM; - else if (units[0] == 'e' && units[1] == 'x') - return NSVG_UNITS_EX; - return NSVG_UNITS_USER; -} - -static int nsvg__isCoordinate(const char* s) -{ - // optional sign - if (*s == '-' || *s == '+') - s++; - // must have at least one digit, or start by a dot - return (nsvg__isdigit(*s) || *s == '.'); -} - -static NSVGcoordinate nsvg__parseCoordinateRaw(const char* str) -{ - NSVGcoordinate coord = {0, NSVG_UNITS_USER}; - char buf[64]; - coord.units = nsvg__parseUnits(nsvg__parseNumber(str, buf, 64)); - coord.value = nsvg__atof(buf); - return coord; -} - -static NSVGcoordinate nsvg__coord(float v, int units) -{ - NSVGcoordinate coord = {v, units}; - return coord; -} - -static float nsvg__parseCoordinate(NSVGparser* p, const char* str, float orig, float length) -{ - NSVGcoordinate coord = nsvg__parseCoordinateRaw(str); - return nsvg__convertToPixels(p, coord, orig, length); -} - -static int nsvg__parseTransformArgs(const char* str, float* args, int maxNa, int* na) -{ - const char* end; - const char* ptr; - char it[64]; - - *na = 0; - ptr = str; - while (*ptr && *ptr != '(') ++ptr; - if (*ptr == 0) - return 1; - end = ptr; - while (*end && *end != ')') ++end; - if (*end == 0) - return 1; - - while (ptr < end) { - if (*ptr == '-' || *ptr == '+' || *ptr == '.' || nsvg__isdigit(*ptr)) { - if (*na >= maxNa) return 0; - ptr = nsvg__parseNumber(ptr, it, 64); - args[(*na)++] = (float)nsvg__atof(it); - } else { - ++ptr; - } - } - return (int)(end - str); -} - - -static int nsvg__parseMatrix(float* xform, const char* str) -{ - float t[6]; - int na = 0; - int len = nsvg__parseTransformArgs(str, t, 6, &na); - if (na != 6) return len; - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseTranslate(float* xform, const char* str) -{ - float args[2]; - float t[6]; - int na = 0; - int len = nsvg__parseTransformArgs(str, args, 2, &na); - if (na == 1) args[1] = 0.0; - - nsvg__xformSetTranslation(t, args[0], args[1]); - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseScale(float* xform, const char* str) -{ - float args[2]; - int na = 0; - float t[6]; - int len = nsvg__parseTransformArgs(str, args, 2, &na); - if (na == 1) args[1] = args[0]; - nsvg__xformSetScale(t, args[0], args[1]); - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseSkewX(float* xform, const char* str) -{ - float args[1]; - int na = 0; - float t[6]; - int len = nsvg__parseTransformArgs(str, args, 1, &na); - nsvg__xformSetSkewX(t, args[0]/180.0f*NSVG_PI); - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseSkewY(float* xform, const char* str) -{ - float args[1]; - int na = 0; - float t[6]; - int len = nsvg__parseTransformArgs(str, args, 1, &na); - nsvg__xformSetSkewY(t, args[0]/180.0f*NSVG_PI); - memcpy(xform, t, sizeof(float)*6); - return len; -} - -static int nsvg__parseRotate(float* xform, const char* str) -{ - float args[3]; - int na = 0; - float m[6]; - float t[6]; - int len = nsvg__parseTransformArgs(str, args, 3, &na); - if (na == 1) - args[1] = args[2] = 0.0f; - nsvg__xformIdentity(m); - - if (na > 1) { - nsvg__xformSetTranslation(t, -args[1], -args[2]); - nsvg__xformMultiply(m, t); - } - - nsvg__xformSetRotation(t, args[0]/180.0f*NSVG_PI); - nsvg__xformMultiply(m, t); - - if (na > 1) { - nsvg__xformSetTranslation(t, args[1], args[2]); - nsvg__xformMultiply(m, t); - } - - memcpy(xform, m, sizeof(float)*6); - - return len; -} - -static void nsvg__parseTransform(float* xform, const char* str) -{ - float t[6]; - int len; - nsvg__xformIdentity(xform); - while (*str) - { - if (strncmp(str, "matrix", 6) == 0) - len = nsvg__parseMatrix(t, str); - else if (strncmp(str, "translate", 9) == 0) - len = nsvg__parseTranslate(t, str); - else if (strncmp(str, "scale", 5) == 0) - len = nsvg__parseScale(t, str); - else if (strncmp(str, "rotate", 6) == 0) - len = nsvg__parseRotate(t, str); - else if (strncmp(str, "skewX", 5) == 0) - len = nsvg__parseSkewX(t, str); - else if (strncmp(str, "skewY", 5) == 0) - len = nsvg__parseSkewY(t, str); - else{ - ++str; - continue; - } - if (len != 0) { - str += len; - } else { - ++str; - continue; - } - - nsvg__xformPremultiply(xform, t); - } -} - -static void nsvg__parseUrl(char* id, const char* str) -{ - int i = 0; - str += 4; // "url("; - if (*str && *str == '#') - str++; - while (i < 63 && *str && *str != ')') { - id[i] = *str++; - i++; - } - id[i] = '\0'; -} - -static char nsvg__parseLineCap(const char* str) -{ - if (strcmp(str, "butt") == 0) - return NSVG_CAP_BUTT; - else if (strcmp(str, "round") == 0) - return NSVG_CAP_ROUND; - else if (strcmp(str, "square") == 0) - return NSVG_CAP_SQUARE; - // TODO: handle inherit. - return NSVG_CAP_BUTT; -} - -static char nsvg__parseLineJoin(const char* str) -{ - if (strcmp(str, "miter") == 0) - return NSVG_JOIN_MITER; - else if (strcmp(str, "round") == 0) - return NSVG_JOIN_ROUND; - else if (strcmp(str, "bevel") == 0) - return NSVG_JOIN_BEVEL; - // TODO: handle inherit. - return NSVG_JOIN_MITER; -} - -static char nsvg__parseFillRule(const char* str) -{ - if (strcmp(str, "nonzero") == 0) - return NSVG_FILLRULE_NONZERO; - else if (strcmp(str, "evenodd") == 0) - return NSVG_FILLRULE_EVENODD; - // TODO: handle inherit. - return NSVG_FILLRULE_NONZERO; -} - -static const char* nsvg__getNextDashItem(const char* s, char* it) -{ - int n = 0; - it[0] = '\0'; - // Skip white spaces and commas - while (*s && (nsvg__isspace(*s) || *s == ',')) s++; - // Advance until whitespace, comma or end. - while (*s && (!nsvg__isspace(*s) && *s != ',')) { - if (n < 63) - it[n++] = *s; - s++; - } - it[n++] = '\0'; - return s; -} - -static int nsvg__parseStrokeDashArray(NSVGparser* p, const char* str, float* strokeDashArray) -{ - char item[64]; - int count = 0, i; - float sum = 0.0f; - - // Handle "none" - if (str[0] == 'n') - return 0; - - // Parse dashes - while (*str) { - str = nsvg__getNextDashItem(str, item); - if (!*item) break; - if (count < NSVG_MAX_DASHES) - strokeDashArray[count++] = fabsf(nsvg__parseCoordinate(p, item, 0.0f, nsvg__actualLength(p))); - } - - for (i = 0; i < count; i++) - sum += strokeDashArray[i]; - if (sum <= 1e-6f) - count = 0; - - return count; -} - -static void nsvg__parseStyle(NSVGparser* p, const char* str); - -static int nsvg__parseAttr(NSVGparser* p, const char* name, const char* value) -{ - float xform[6]; - NSVGattrib* attr = nsvg__getAttr(p); - if (!attr) return 0; - - if (strcmp(name, "style") == 0) { - nsvg__parseStyle(p, value); - } else if (strcmp(name, "display") == 0) { - if (strcmp(value, "none") == 0) - attr->visible = 0; - // Don't reset ->visible on display:inline, one display:none hides the whole subtree - - } else if (strcmp(name, "fill") == 0) { - if (strcmp(value, "none") == 0) { - attr->hasFill = 0; - } else if (strncmp(value, "url(", 4) == 0) { - attr->hasFill = 2; - nsvg__parseUrl(attr->fillGradient, value); - } else { - attr->hasFill = 1; - attr->fillColor = nsvg__parseColor(value); - } - } else if (strcmp(name, "opacity") == 0) { - attr->opacity = nsvg__parseOpacity(value); - } else if (strcmp(name, "fill-opacity") == 0) { - attr->fillOpacity = nsvg__parseOpacity(value); - } else if (strcmp(name, "stroke") == 0) { - if (strcmp(value, "none") == 0) { - attr->hasStroke = 0; - } else if (strncmp(value, "url(", 4) == 0) { - attr->hasStroke = 2; - nsvg__parseUrl(attr->strokeGradient, value); - } else { - attr->hasStroke = 1; - attr->strokeColor = nsvg__parseColor(value); - } - } else if (strcmp(name, "stroke-width") == 0) { - attr->strokeWidth = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p)); - } else if (strcmp(name, "stroke-dasharray") == 0) { - attr->strokeDashCount = nsvg__parseStrokeDashArray(p, value, attr->strokeDashArray); - } else if (strcmp(name, "stroke-dashoffset") == 0) { - attr->strokeDashOffset = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p)); - } else if (strcmp(name, "stroke-opacity") == 0) { - attr->strokeOpacity = nsvg__parseOpacity(value); - } else if (strcmp(name, "stroke-linecap") == 0) { - attr->strokeLineCap = nsvg__parseLineCap(value); - } else if (strcmp(name, "stroke-linejoin") == 0) { - attr->strokeLineJoin = nsvg__parseLineJoin(value); - } else if (strcmp(name, "stroke-miterlimit") == 0) { - attr->miterLimit = nsvg__parseMiterLimit(value); - } else if (strcmp(name, "fill-rule") == 0) { - attr->fillRule = nsvg__parseFillRule(value); - } else if (strcmp(name, "font-size") == 0) { - attr->fontSize = nsvg__parseCoordinate(p, value, 0.0f, nsvg__actualLength(p)); - } else if (strcmp(name, "transform") == 0) { - nsvg__parseTransform(xform, value); - nsvg__xformPremultiply(attr->xform, xform); - } else if (strcmp(name, "stop-color") == 0) { - attr->stopColor = nsvg__parseColor(value); - } else if (strcmp(name, "stop-opacity") == 0) { - attr->stopOpacity = nsvg__parseOpacity(value); - } else if (strcmp(name, "offset") == 0) { - attr->stopOffset = nsvg__parseCoordinate(p, value, 0.0f, 1.0f); - } else if (strcmp(name, "id") == 0) { - strncpy(attr->id, value, 63); - attr->id[63] = '\0'; - } else { - return 0; - } - return 1; -} - -static int nsvg__parseNameValue(NSVGparser* p, const char* start, const char* end) -{ - const char* str; - const char* val; - char name[512]; - char value[512]; - int n; - - str = start; - while (str < end && *str != ':') ++str; - - val = str; - - // Right Trim - while (str > start && (*str == ':' || nsvg__isspace(*str))) --str; - ++str; - - n = (int)(str - start); - if (n > 511) n = 511; - if (n) memcpy(name, start, n); - name[n] = 0; - - while (val < end && (*val == ':' || nsvg__isspace(*val))) ++val; - - n = (int)(end - val); - if (n > 511) n = 511; - if (n) memcpy(value, val, n); - value[n] = 0; - - return nsvg__parseAttr(p, name, value); -} - -static void nsvg__parseStyle(NSVGparser* p, const char* str) -{ - const char* start; - const char* end; - - while (*str) { - // Left Trim - while(*str && nsvg__isspace(*str)) ++str; - start = str; - while(*str && *str != ';') ++str; - end = str; - - // Right Trim - while (end > start && (*end == ';' || nsvg__isspace(*end))) --end; - ++end; - - nsvg__parseNameValue(p, start, end); - if (*str) ++str; - } -} - -static void nsvg__parseAttribs(NSVGparser* p, const char** attr) -{ - int i; - for (i = 0; attr[i]; i += 2) - { - if (strcmp(attr[i], "style") == 0) - nsvg__parseStyle(p, attr[i + 1]); - else - nsvg__parseAttr(p, attr[i], attr[i + 1]); - } -} - -static int nsvg__getArgsPerElement(char cmd) -{ - switch (cmd) { - case 'v': - case 'V': - case 'h': - case 'H': - return 1; - case 'm': - case 'M': - case 'l': - case 'L': - case 't': - case 'T': - return 2; - case 'q': - case 'Q': - case 's': - case 'S': - return 4; - case 'c': - case 'C': - return 6; - case 'a': - case 'A': - return 7; - case 'z': - case 'Z': - return 0; - } - return -1; -} - -static void nsvg__pathMoveTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - if (rel) { - *cpx += args[0]; - *cpy += args[1]; - } else { - *cpx = args[0]; - *cpy = args[1]; - } - nsvg__moveTo(p, *cpx, *cpy); -} - -static void nsvg__pathLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - if (rel) { - *cpx += args[0]; - *cpy += args[1]; - } else { - *cpx = args[0]; - *cpy = args[1]; - } - nsvg__lineTo(p, *cpx, *cpy); -} - -static void nsvg__pathHLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - if (rel) - *cpx += args[0]; - else - *cpx = args[0]; - nsvg__lineTo(p, *cpx, *cpy); -} - -static void nsvg__pathVLineTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - if (rel) - *cpy += args[0]; - else - *cpy = args[0]; - nsvg__lineTo(p, *cpx, *cpy); -} - -static void nsvg__pathCubicBezTo(NSVGparser* p, float* cpx, float* cpy, - float* cpx2, float* cpy2, float* args, int rel) -{ - float x2, y2, cx1, cy1, cx2, cy2; - - if (rel) { - cx1 = *cpx + args[0]; - cy1 = *cpy + args[1]; - cx2 = *cpx + args[2]; - cy2 = *cpy + args[3]; - x2 = *cpx + args[4]; - y2 = *cpy + args[5]; - } else { - cx1 = args[0]; - cy1 = args[1]; - cx2 = args[2]; - cy2 = args[3]; - x2 = args[4]; - y2 = args[5]; - } - - nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); - - *cpx2 = cx2; - *cpy2 = cy2; - *cpx = x2; - *cpy = y2; -} - -static void nsvg__pathCubicBezShortTo(NSVGparser* p, float* cpx, float* cpy, - float* cpx2, float* cpy2, float* args, int rel) -{ - float x1, y1, x2, y2, cx1, cy1, cx2, cy2; - - x1 = *cpx; - y1 = *cpy; - if (rel) { - cx2 = *cpx + args[0]; - cy2 = *cpy + args[1]; - x2 = *cpx + args[2]; - y2 = *cpy + args[3]; - } else { - cx2 = args[0]; - cy2 = args[1]; - x2 = args[2]; - y2 = args[3]; - } - - cx1 = 2*x1 - *cpx2; - cy1 = 2*y1 - *cpy2; - - nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); - - *cpx2 = cx2; - *cpy2 = cy2; - *cpx = x2; - *cpy = y2; -} - -static void nsvg__pathQuadBezTo(NSVGparser* p, float* cpx, float* cpy, - float* cpx2, float* cpy2, float* args, int rel) -{ - float x1, y1, x2, y2, cx, cy; - float cx1, cy1, cx2, cy2; - - x1 = *cpx; - y1 = *cpy; - if (rel) { - cx = *cpx + args[0]; - cy = *cpy + args[1]; - x2 = *cpx + args[2]; - y2 = *cpy + args[3]; - } else { - cx = args[0]; - cy = args[1]; - x2 = args[2]; - y2 = args[3]; - } - - // Convert to cubic bezier - cx1 = x1 + 2.0f/3.0f*(cx - x1); - cy1 = y1 + 2.0f/3.0f*(cy - y1); - cx2 = x2 + 2.0f/3.0f*(cx - x2); - cy2 = y2 + 2.0f/3.0f*(cy - y2); - - nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); - - *cpx2 = cx; - *cpy2 = cy; - *cpx = x2; - *cpy = y2; -} - -static void nsvg__pathQuadBezShortTo(NSVGparser* p, float* cpx, float* cpy, - float* cpx2, float* cpy2, float* args, int rel) -{ - float x1, y1, x2, y2, cx, cy; - float cx1, cy1, cx2, cy2; - - x1 = *cpx; - y1 = *cpy; - if (rel) { - x2 = *cpx + args[0]; - y2 = *cpy + args[1]; - } else { - x2 = args[0]; - y2 = args[1]; - } - - cx = 2*x1 - *cpx2; - cy = 2*y1 - *cpy2; - - // Convert to cubix bezier - cx1 = x1 + 2.0f/3.0f*(cx - x1); - cy1 = y1 + 2.0f/3.0f*(cy - y1); - cx2 = x2 + 2.0f/3.0f*(cx - x2); - cy2 = y2 + 2.0f/3.0f*(cy - y2); - - nsvg__cubicBezTo(p, cx1,cy1, cx2,cy2, x2,y2); - - *cpx2 = cx; - *cpy2 = cy; - *cpx = x2; - *cpy = y2; -} - -static float nsvg__sqr(float x) { return x*x; } -static float nsvg__vmag(float x, float y) { return sqrtf(x*x + y*y); } - -static float nsvg__vecrat(float ux, float uy, float vx, float vy) -{ - return (ux*vx + uy*vy) / (nsvg__vmag(ux,uy) * nsvg__vmag(vx,vy)); -} - -static float nsvg__vecang(float ux, float uy, float vx, float vy) -{ - float r = nsvg__vecrat(ux,uy, vx,vy); - if (r < -1.0f) r = -1.0f; - if (r > 1.0f) r = 1.0f; - return ((ux*vy < uy*vx) ? -1.0f : 1.0f) * acosf(r); -} - -static void nsvg__pathArcTo(NSVGparser* p, float* cpx, float* cpy, float* args, int rel) -{ - // Ported from canvg (https://code.google.com/p/canvg/) - float rx, ry, rotx; - float x1, y1, x2, y2, cx, cy, dx, dy, d; - float x1p, y1p, cxp, cyp, s, sa, sb; - float ux, uy, vx, vy, a1, da; - float x, y, tanx, tany, a, px = 0, py = 0, ptanx = 0, ptany = 0, t[6]; - float sinrx, cosrx; - int fa, fs; - int i, ndivs; - float hda, kappa; - - rx = fabsf(args[0]); // y radius - ry = fabsf(args[1]); // x radius - rotx = args[2] / 180.0f * NSVG_PI; // x rotation angle - fa = fabsf(args[3]) > 1e-6 ? 1 : 0; // Large arc - fs = fabsf(args[4]) > 1e-6 ? 1 : 0; // Sweep direction - x1 = *cpx; // start point - y1 = *cpy; - if (rel) { // end point - x2 = *cpx + args[5]; - y2 = *cpy + args[6]; - } else { - x2 = args[5]; - y2 = args[6]; - } - - dx = x1 - x2; - dy = y1 - y2; - d = sqrtf(dx*dx + dy*dy); - if (d < 1e-6f || rx < 1e-6f || ry < 1e-6f) { - // The arc degenerates to a line - nsvg__lineTo(p, x2, y2); - *cpx = x2; - *cpy = y2; - return; - } - - sinrx = sinf(rotx); - cosrx = cosf(rotx); - - // Convert to center point parameterization. - // http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes - // 1) Compute x1', y1' - x1p = cosrx * dx / 2.0f + sinrx * dy / 2.0f; - y1p = -sinrx * dx / 2.0f + cosrx * dy / 2.0f; - d = nsvg__sqr(x1p)/nsvg__sqr(rx) + nsvg__sqr(y1p)/nsvg__sqr(ry); - if (d > 1) { - d = sqrtf(d); - rx *= d; - ry *= d; - } - // 2) Compute cx', cy' - s = 0.0f; - sa = nsvg__sqr(rx)*nsvg__sqr(ry) - nsvg__sqr(rx)*nsvg__sqr(y1p) - nsvg__sqr(ry)*nsvg__sqr(x1p); - sb = nsvg__sqr(rx)*nsvg__sqr(y1p) + nsvg__sqr(ry)*nsvg__sqr(x1p); - if (sa < 0.0f) sa = 0.0f; - if (sb > 0.0f) - s = sqrtf(sa / sb); - if (fa == fs) - s = -s; - cxp = s * rx * y1p / ry; - cyp = s * -ry * x1p / rx; - - // 3) Compute cx,cy from cx',cy' - cx = (x1 + x2)/2.0f + cosrx*cxp - sinrx*cyp; - cy = (y1 + y2)/2.0f + sinrx*cxp + cosrx*cyp; - - // 4) Calculate theta1, and delta theta. - ux = (x1p - cxp) / rx; - uy = (y1p - cyp) / ry; - vx = (-x1p - cxp) / rx; - vy = (-y1p - cyp) / ry; - a1 = nsvg__vecang(1.0f,0.0f, ux,uy); // Initial angle - da = nsvg__vecang(ux,uy, vx,vy); // Delta angle - -// if (vecrat(ux,uy,vx,vy) <= -1.0f) da = NSVG_PI; -// if (vecrat(ux,uy,vx,vy) >= 1.0f) da = 0; - - if (fs == 0 && da > 0) - da -= 2 * NSVG_PI; - else if (fs == 1 && da < 0) - da += 2 * NSVG_PI; - - // Approximate the arc using cubic spline segments. - t[0] = cosrx; t[1] = sinrx; - t[2] = -sinrx; t[3] = cosrx; - t[4] = cx; t[5] = cy; - - // Split arc into max 90 degree segments. - // The loop assumes an iteration per end point (including start and end), this +1. - ndivs = (int)(fabsf(da) / (NSVG_PI*0.5f) + 1.0f); - hda = (da / (float)ndivs) / 2.0f; - // Fix for ticket #179: division by 0: avoid cotangens around 0 (infinite) - if ((hda < 1e-3f) && (hda > -1e-3f)) - hda *= 0.5f; - else - hda = (1.0f - cosf(hda)) / sinf(hda); - kappa = fabsf(4.0f / 3.0f * hda); - if (da < 0.0f) - kappa = -kappa; - - for (i = 0; i <= ndivs; i++) { - a = a1 + da * ((float)i/(float)ndivs); - dx = cosf(a); - dy = sinf(a); - nsvg__xformPoint(&x, &y, dx*rx, dy*ry, t); // position - nsvg__xformVec(&tanx, &tany, -dy*rx * kappa, dx*ry * kappa, t); // tangent - if (i > 0) - nsvg__cubicBezTo(p, px+ptanx,py+ptany, x-tanx, y-tany, x, y); - px = x; - py = y; - ptanx = tanx; - ptany = tany; - } - - *cpx = x2; - *cpy = y2; -} - -static void nsvg__parsePath(NSVGparser* p, const char** attr) -{ - const char* s = NULL; - char cmd = '\0'; - float args[10]; - int nargs; - int rargs = 0; - char initPoint; - float cpx, cpy, cpx2, cpy2; - const char* tmp[4]; - char closedFlag; - int i; - char item[64]; - - for (i = 0; attr[i]; i += 2) { - if (strcmp(attr[i], "d") == 0) { - s = attr[i + 1]; - } else { - tmp[0] = attr[i]; - tmp[1] = attr[i + 1]; - tmp[2] = 0; - tmp[3] = 0; - nsvg__parseAttribs(p, tmp); - } - } - - if (s) { - nsvg__resetPath(p); - cpx = 0; cpy = 0; - cpx2 = 0; cpy2 = 0; - initPoint = 0; - closedFlag = 0; - nargs = 0; - - while (*s) { - s = nsvg__getNextPathItem(s, item); - if (!*item) break; - if (cmd != '\0' && nsvg__isCoordinate(item)) { - if (nargs < 10) - args[nargs++] = (float)nsvg__atof(item); - if (nargs >= rargs) { - switch (cmd) { - case 'm': - case 'M': - nsvg__pathMoveTo(p, &cpx, &cpy, args, cmd == 'm' ? 1 : 0); - // Moveto can be followed by multiple coordinate pairs, - // which should be treated as linetos. - cmd = (cmd == 'm') ? 'l' : 'L'; - rargs = nsvg__getArgsPerElement(cmd); - cpx2 = cpx; cpy2 = cpy; - initPoint = 1; - break; - case 'l': - case 'L': - nsvg__pathLineTo(p, &cpx, &cpy, args, cmd == 'l' ? 1 : 0); - cpx2 = cpx; cpy2 = cpy; - break; - case 'H': - case 'h': - nsvg__pathHLineTo(p, &cpx, &cpy, args, cmd == 'h' ? 1 : 0); - cpx2 = cpx; cpy2 = cpy; - break; - case 'V': - case 'v': - nsvg__pathVLineTo(p, &cpx, &cpy, args, cmd == 'v' ? 1 : 0); - cpx2 = cpx; cpy2 = cpy; - break; - case 'C': - case 'c': - nsvg__pathCubicBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'c' ? 1 : 0); - break; - case 'S': - case 's': - nsvg__pathCubicBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 's' ? 1 : 0); - break; - case 'Q': - case 'q': - nsvg__pathQuadBezTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 'q' ? 1 : 0); - break; - case 'T': - case 't': - nsvg__pathQuadBezShortTo(p, &cpx, &cpy, &cpx2, &cpy2, args, cmd == 't' ? 1 : 0); - break; - case 'A': - case 'a': - nsvg__pathArcTo(p, &cpx, &cpy, args, cmd == 'a' ? 1 : 0); - cpx2 = cpx; cpy2 = cpy; - break; - default: - if (nargs >= 2) { - cpx = args[nargs-2]; - cpy = args[nargs-1]; - cpx2 = cpx; cpy2 = cpy; - } - break; - } - nargs = 0; - } - } else { - cmd = item[0]; - if (cmd == 'M' || cmd == 'm') { - // Commit path. - if (p->npts > 0) - nsvg__addPath(p, closedFlag); - // Start new subpath. - nsvg__resetPath(p); - closedFlag = 0; - nargs = 0; - } else if (initPoint == 0) { - // Do not allow other commands until initial point has been set (moveTo called once). - cmd = '\0'; - } - if (cmd == 'Z' || cmd == 'z') { - closedFlag = 1; - // Commit path. - if (p->npts > 0) { - // Move current point to first point - cpx = p->pts[0]; - cpy = p->pts[1]; - cpx2 = cpx; cpy2 = cpy; - nsvg__addPath(p, closedFlag); - } - // Start new subpath. - nsvg__resetPath(p); - nsvg__moveTo(p, cpx, cpy); - closedFlag = 0; - nargs = 0; - } - rargs = nsvg__getArgsPerElement(cmd); - if (rargs == -1) { - // Command not recognized - cmd = '\0'; - rargs = 0; - } - } - } - // Commit path. - if (p->npts) - nsvg__addPath(p, closedFlag); - } - - nsvg__addShape(p); -} - -static void nsvg__parseRect(NSVGparser* p, const char** attr) -{ - float x = 0.0f; - float y = 0.0f; - float w = 0.0f; - float h = 0.0f; - float rx = -1.0f; // marks not set - float ry = -1.0f; - int i; - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "x") == 0) x = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "y") == 0) y = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - if (strcmp(attr[i], "width") == 0) w = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p)); - if (strcmp(attr[i], "height") == 0) h = nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p)); - if (strcmp(attr[i], "rx") == 0) rx = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p))); - if (strcmp(attr[i], "ry") == 0) ry = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p))); - } - } - - if (rx < 0.0f && ry > 0.0f) rx = ry; - if (ry < 0.0f && rx > 0.0f) ry = rx; - if (rx < 0.0f) rx = 0.0f; - if (ry < 0.0f) ry = 0.0f; - if (rx > w/2.0f) rx = w/2.0f; - if (ry > h/2.0f) ry = h/2.0f; - - if (w != 0.0f && h != 0.0f) { - nsvg__resetPath(p); - - if (rx < 0.00001f || ry < 0.0001f) { - nsvg__moveTo(p, x, y); - nsvg__lineTo(p, x+w, y); - nsvg__lineTo(p, x+w, y+h); - nsvg__lineTo(p, x, y+h); - } else { - // Rounded rectangle - nsvg__moveTo(p, x+rx, y); - nsvg__lineTo(p, x+w-rx, y); - nsvg__cubicBezTo(p, x+w-rx*(1-NSVG_KAPPA90), y, x+w, y+ry*(1-NSVG_KAPPA90), x+w, y+ry); - nsvg__lineTo(p, x+w, y+h-ry); - nsvg__cubicBezTo(p, x+w, y+h-ry*(1-NSVG_KAPPA90), x+w-rx*(1-NSVG_KAPPA90), y+h, x+w-rx, y+h); - nsvg__lineTo(p, x+rx, y+h); - nsvg__cubicBezTo(p, x+rx*(1-NSVG_KAPPA90), y+h, x, y+h-ry*(1-NSVG_KAPPA90), x, y+h-ry); - nsvg__lineTo(p, x, y+ry); - nsvg__cubicBezTo(p, x, y+ry*(1-NSVG_KAPPA90), x+rx*(1-NSVG_KAPPA90), y, x+rx, y); - } - - nsvg__addPath(p, 1); - - nsvg__addShape(p); - } -} - -static void nsvg__parseCircle(NSVGparser* p, const char** attr) -{ - float cx = 0.0f; - float cy = 0.0f; - float r = 0.0f; - int i; - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "cx") == 0) cx = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "cy") == 0) cy = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - if (strcmp(attr[i], "r") == 0) r = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualLength(p))); - } - } - - if (r > 0.0f) { - nsvg__resetPath(p); - - nsvg__moveTo(p, cx+r, cy); - nsvg__cubicBezTo(p, cx+r, cy+r*NSVG_KAPPA90, cx+r*NSVG_KAPPA90, cy+r, cx, cy+r); - nsvg__cubicBezTo(p, cx-r*NSVG_KAPPA90, cy+r, cx-r, cy+r*NSVG_KAPPA90, cx-r, cy); - nsvg__cubicBezTo(p, cx-r, cy-r*NSVG_KAPPA90, cx-r*NSVG_KAPPA90, cy-r, cx, cy-r); - nsvg__cubicBezTo(p, cx+r*NSVG_KAPPA90, cy-r, cx+r, cy-r*NSVG_KAPPA90, cx+r, cy); - - nsvg__addPath(p, 1); - - nsvg__addShape(p); - } -} - -static void nsvg__parseEllipse(NSVGparser* p, const char** attr) -{ - float cx = 0.0f; - float cy = 0.0f; - float rx = 0.0f; - float ry = 0.0f; - int i; - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "cx") == 0) cx = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "cy") == 0) cy = nsvg__parseCoordinate(p, attr[i+1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - if (strcmp(attr[i], "rx") == 0) rx = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualWidth(p))); - if (strcmp(attr[i], "ry") == 0) ry = fabsf(nsvg__parseCoordinate(p, attr[i+1], 0.0f, nsvg__actualHeight(p))); - } - } - - if (rx > 0.0f && ry > 0.0f) { - - nsvg__resetPath(p); - - nsvg__moveTo(p, cx+rx, cy); - nsvg__cubicBezTo(p, cx+rx, cy+ry*NSVG_KAPPA90, cx+rx*NSVG_KAPPA90, cy+ry, cx, cy+ry); - nsvg__cubicBezTo(p, cx-rx*NSVG_KAPPA90, cy+ry, cx-rx, cy+ry*NSVG_KAPPA90, cx-rx, cy); - nsvg__cubicBezTo(p, cx-rx, cy-ry*NSVG_KAPPA90, cx-rx*NSVG_KAPPA90, cy-ry, cx, cy-ry); - nsvg__cubicBezTo(p, cx+rx*NSVG_KAPPA90, cy-ry, cx+rx, cy-ry*NSVG_KAPPA90, cx+rx, cy); - - nsvg__addPath(p, 1); - - nsvg__addShape(p); - } -} - -static void nsvg__parseLine(NSVGparser* p, const char** attr) -{ - float x1 = 0.0; - float y1 = 0.0; - float x2 = 0.0; - float y2 = 0.0; - int i; - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "x1") == 0) x1 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "y1") == 0) y1 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - if (strcmp(attr[i], "x2") == 0) x2 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigX(p), nsvg__actualWidth(p)); - if (strcmp(attr[i], "y2") == 0) y2 = nsvg__parseCoordinate(p, attr[i + 1], nsvg__actualOrigY(p), nsvg__actualHeight(p)); - } - } - - nsvg__resetPath(p); - - nsvg__moveTo(p, x1, y1); - nsvg__lineTo(p, x2, y2); - - nsvg__addPath(p, 0); - - nsvg__addShape(p); -} - -static void nsvg__parsePoly(NSVGparser* p, const char** attr, int closeFlag) -{ - int i; - const char* s; - float args[2]; - int nargs, npts = 0; - char item[64]; - - nsvg__resetPath(p); - - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "points") == 0) { - s = attr[i + 1]; - nargs = 0; - while (*s) { - s = nsvg__getNextPathItem(s, item); - args[nargs++] = (float)nsvg__atof(item); - if (nargs >= 2) { - if (npts == 0) - nsvg__moveTo(p, args[0], args[1]); - else - nsvg__lineTo(p, args[0], args[1]); - nargs = 0; - npts++; - } - } - } - } - } - - nsvg__addPath(p, (char)closeFlag); - - nsvg__addShape(p); -} - -static void nsvg__parseSVG(NSVGparser* p, const char** attr) -{ - int i; - for (i = 0; attr[i]; i += 2) { - if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "width") == 0) { - p->image->width = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f); - } else if (strcmp(attr[i], "height") == 0) { - p->image->height = nsvg__parseCoordinate(p, attr[i + 1], 0.0f, 0.0f); - } else if (strcmp(attr[i], "viewBox") == 0) { - const char *s = attr[i + 1]; - char buf[64]; - s = nsvg__parseNumber(s, buf, 64); - p->viewMinx = nsvg__atof(buf); - while (*s && (nsvg__isspace(*s) || *s == '%' || *s == ',')) s++; - if (!*s) return; - s = nsvg__parseNumber(s, buf, 64); - p->viewMiny = nsvg__atof(buf); - while (*s && (nsvg__isspace(*s) || *s == '%' || *s == ',')) s++; - if (!*s) return; - s = nsvg__parseNumber(s, buf, 64); - p->viewWidth = nsvg__atof(buf); - while (*s && (nsvg__isspace(*s) || *s == '%' || *s == ',')) s++; - if (!*s) return; - s = nsvg__parseNumber(s, buf, 64); - p->viewHeight = nsvg__atof(buf); - } else if (strcmp(attr[i], "preserveAspectRatio") == 0) { - if (strstr(attr[i + 1], "none") != 0) { - // No uniform scaling - p->alignType = NSVG_ALIGN_NONE; - } else { - // Parse X align - if (strstr(attr[i + 1], "xMin") != 0) - p->alignX = NSVG_ALIGN_MIN; - else if (strstr(attr[i + 1], "xMid") != 0) - p->alignX = NSVG_ALIGN_MID; - else if (strstr(attr[i + 1], "xMax") != 0) - p->alignX = NSVG_ALIGN_MAX; - // Parse X align - if (strstr(attr[i + 1], "yMin") != 0) - p->alignY = NSVG_ALIGN_MIN; - else if (strstr(attr[i + 1], "yMid") != 0) - p->alignY = NSVG_ALIGN_MID; - else if (strstr(attr[i + 1], "yMax") != 0) - p->alignY = NSVG_ALIGN_MAX; - // Parse meet/slice - p->alignType = NSVG_ALIGN_MEET; - if (strstr(attr[i + 1], "slice") != 0) - p->alignType = NSVG_ALIGN_SLICE; - } - } - } - } -} - -static void nsvg__parseGradient(NSVGparser* p, const char** attr, char type) -{ - int i; - NSVGgradientData* grad = (NSVGgradientData*)malloc(sizeof(NSVGgradientData)); - if (grad == NULL) return; - memset(grad, 0, sizeof(NSVGgradientData)); - grad->units = NSVG_OBJECT_SPACE; - grad->type = type; - if (grad->type == NSVG_PAINT_LINEAR_GRADIENT) { - grad->linear.x1 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT); - grad->linear.y1 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT); - grad->linear.x2 = nsvg__coord(100.0f, NSVG_UNITS_PERCENT); - grad->linear.y2 = nsvg__coord(0.0f, NSVG_UNITS_PERCENT); - } else if (grad->type == NSVG_PAINT_RADIAL_GRADIENT) { - grad->radial.cx = nsvg__coord(50.0f, NSVG_UNITS_PERCENT); - grad->radial.cy = nsvg__coord(50.0f, NSVG_UNITS_PERCENT); - grad->radial.r = nsvg__coord(50.0f, NSVG_UNITS_PERCENT); - } - - nsvg__xformIdentity(grad->xform); - - for (i = 0; attr[i]; i += 2) { - if (strcmp(attr[i], "id") == 0) { - strncpy(grad->id, attr[i+1], 63); - grad->id[63] = '\0'; - } else if (!nsvg__parseAttr(p, attr[i], attr[i + 1])) { - if (strcmp(attr[i], "gradientUnits") == 0) { - if (strcmp(attr[i+1], "objectBoundingBox") == 0) - grad->units = NSVG_OBJECT_SPACE; - else - grad->units = NSVG_USER_SPACE; - } else if (strcmp(attr[i], "gradientTransform") == 0) { - nsvg__parseTransform(grad->xform, attr[i + 1]); - } else if (strcmp(attr[i], "cx") == 0) { - grad->radial.cx = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "cy") == 0) { - grad->radial.cy = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "r") == 0) { - grad->radial.r = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "fx") == 0) { - grad->radial.fx = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "fy") == 0) { - grad->radial.fy = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "x1") == 0) { - grad->linear.x1 = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "y1") == 0) { - grad->linear.y1 = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "x2") == 0) { - grad->linear.x2 = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "y2") == 0) { - grad->linear.y2 = nsvg__parseCoordinateRaw(attr[i + 1]); - } else if (strcmp(attr[i], "spreadMethod") == 0) { - if (strcmp(attr[i+1], "pad") == 0) - grad->spread = NSVG_SPREAD_PAD; - else if (strcmp(attr[i+1], "reflect") == 0) - grad->spread = NSVG_SPREAD_REFLECT; - else if (strcmp(attr[i+1], "repeat") == 0) - grad->spread = NSVG_SPREAD_REPEAT; - } else if (strcmp(attr[i], "xlink:href") == 0) { - const char *href = attr[i+1]; - strncpy(grad->ref, href+1, 62); - grad->ref[62] = '\0'; - } - } - } - - grad->next = p->gradients; - p->gradients = grad; -} - -static void nsvg__parseGradientStop(NSVGparser* p, const char** attr) -{ - NSVGattrib* curAttr = nsvg__getAttr(p); - NSVGgradientData* grad; - NSVGgradientStop* stop; - int i, idx; - - curAttr->stopOffset = 0; - curAttr->stopColor = 0; - curAttr->stopOpacity = 1.0f; - - for (i = 0; attr[i]; i += 2) { - nsvg__parseAttr(p, attr[i], attr[i + 1]); - } - - // Add stop to the last gradient. - grad = p->gradients; - if (grad == NULL) return; - - grad->nstops++; - grad->stops = (NSVGgradientStop*)realloc(grad->stops, sizeof(NSVGgradientStop)*grad->nstops); - if (grad->stops == NULL) return; - - // Insert - idx = grad->nstops-1; - for (i = 0; i < grad->nstops-1; i++) { - if (curAttr->stopOffset < grad->stops[i].offset) { - idx = i; - break; - } - } - if (idx != grad->nstops-1) { - for (i = grad->nstops-1; i > idx; i--) - grad->stops[i] = grad->stops[i-1]; - } - - stop = &grad->stops[idx]; - stop->color = curAttr->stopColor; - stop->color |= (unsigned int)(curAttr->stopOpacity*255) << 24; - stop->offset = curAttr->stopOffset; -} - -static void nsvg__startElement(void* ud, const char* el, const char** attr) -{ - NSVGparser* p = (NSVGparser*)ud; - - if (p->defsFlag) { - // Skip everything but gradients in defs - if (strcmp(el, "linearGradient") == 0) { - nsvg__parseGradient(p, attr, NSVG_PAINT_LINEAR_GRADIENT); - } else if (strcmp(el, "radialGradient") == 0) { - nsvg__parseGradient(p, attr, NSVG_PAINT_RADIAL_GRADIENT); - } else if (strcmp(el, "stop") == 0) { - nsvg__parseGradientStop(p, attr); - } - return; - } - - if (strcmp(el, "g") == 0) { - nsvg__pushAttr(p); - nsvg__parseAttribs(p, attr); - } else if (strcmp(el, "path") == 0) { - if (p->pathFlag) // Do not allow nested paths. - return; - nsvg__pushAttr(p); - nsvg__parsePath(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "rect") == 0) { - nsvg__pushAttr(p); - nsvg__parseRect(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "circle") == 0) { - nsvg__pushAttr(p); - nsvg__parseCircle(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "ellipse") == 0) { - nsvg__pushAttr(p); - nsvg__parseEllipse(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "line") == 0) { - nsvg__pushAttr(p); - nsvg__parseLine(p, attr); - nsvg__popAttr(p); - } else if (strcmp(el, "polyline") == 0) { - nsvg__pushAttr(p); - nsvg__parsePoly(p, attr, 0); - nsvg__popAttr(p); - } else if (strcmp(el, "polygon") == 0) { - nsvg__pushAttr(p); - nsvg__parsePoly(p, attr, 1); - nsvg__popAttr(p); - } else if (strcmp(el, "linearGradient") == 0) { - nsvg__parseGradient(p, attr, NSVG_PAINT_LINEAR_GRADIENT); - } else if (strcmp(el, "radialGradient") == 0) { - nsvg__parseGradient(p, attr, NSVG_PAINT_RADIAL_GRADIENT); - } else if (strcmp(el, "stop") == 0) { - nsvg__parseGradientStop(p, attr); - } else if (strcmp(el, "defs") == 0) { - p->defsFlag = 1; - } else if (strcmp(el, "svg") == 0) { - nsvg__parseSVG(p, attr); - } -} - -static void nsvg__endElement(void* ud, const char* el) -{ - NSVGparser* p = (NSVGparser*)ud; - - if (strcmp(el, "g") == 0) { - nsvg__popAttr(p); - } else if (strcmp(el, "path") == 0) { - p->pathFlag = 0; - } else if (strcmp(el, "defs") == 0) { - p->defsFlag = 0; - } -} - -static void nsvg__content(void* ud, const char* s) -{ - NSVG_NOTUSED(ud); - NSVG_NOTUSED(s); - // empty -} - -static void nsvg__imageBounds(NSVGparser* p, float* bounds) -{ - NSVGshape* shape; - shape = p->image->shapes; - if (shape == NULL) { - bounds[0] = bounds[1] = bounds[2] = bounds[3] = 0.0; - return; - } - bounds[0] = shape->bounds[0]; - bounds[1] = shape->bounds[1]; - bounds[2] = shape->bounds[2]; - bounds[3] = shape->bounds[3]; - for (shape = shape->next; shape != NULL; shape = shape->next) { - bounds[0] = nsvg__minf(bounds[0], shape->bounds[0]); - bounds[1] = nsvg__minf(bounds[1], shape->bounds[1]); - bounds[2] = nsvg__maxf(bounds[2], shape->bounds[2]); - bounds[3] = nsvg__maxf(bounds[3], shape->bounds[3]); - } -} - -static float nsvg__viewAlign(float content, float container, int type) -{ - if (type == NSVG_ALIGN_MIN) - return 0; - else if (type == NSVG_ALIGN_MAX) - return container - content; - // mid - return (container - content) * 0.5f; -} - -static void nsvg__scaleGradient(NSVGgradient* grad, float tx, float ty, float sx, float sy) -{ - float t[6]; - nsvg__xformSetTranslation(t, tx, ty); - nsvg__xformMultiply (grad->xform, t); - - nsvg__xformSetScale(t, sx, sy); - nsvg__xformMultiply (grad->xform, t); -} - -static void nsvg__scaleToViewbox(NSVGparser* p, const char* units) -{ - NSVGshape* shape; - NSVGpath* path; - float tx, ty, sx, sy, us, bounds[4], t[6], avgs; - int i; - float* pt; - - // Guess image size if not set completely. - nsvg__imageBounds(p, bounds); - - if (p->viewWidth == 0) { - if (p->image->width > 0) { - p->viewWidth = p->image->width; - } else { - p->viewMinx = bounds[0]; - p->viewWidth = bounds[2] - bounds[0]; - } - } - if (p->viewHeight == 0) { - if (p->image->height > 0) { - p->viewHeight = p->image->height; - } else { - p->viewMiny = bounds[1]; - p->viewHeight = bounds[3] - bounds[1]; - } - } - if (p->image->width == 0) - p->image->width = p->viewWidth; - if (p->image->height == 0) - p->image->height = p->viewHeight; - - tx = -p->viewMinx; - ty = -p->viewMiny; - sx = p->viewWidth > 0 ? p->image->width / p->viewWidth : 0; - sy = p->viewHeight > 0 ? p->image->height / p->viewHeight : 0; - // Unit scaling - us = 1.0f / nsvg__convertToPixels(p, nsvg__coord(1.0f, nsvg__parseUnits(units)), 0.0f, 1.0f); - - // Fix aspect ratio - if (p->alignType == NSVG_ALIGN_MEET) { - // fit whole image into viewbox - sx = sy = nsvg__minf(sx, sy); - tx += nsvg__viewAlign(p->viewWidth*sx, p->image->width, p->alignX) / sx; - ty += nsvg__viewAlign(p->viewHeight*sy, p->image->height, p->alignY) / sy; - } else if (p->alignType == NSVG_ALIGN_SLICE) { - // fill whole viewbox with image - sx = sy = nsvg__maxf(sx, sy); - tx += nsvg__viewAlign(p->viewWidth*sx, p->image->width, p->alignX) / sx; - ty += nsvg__viewAlign(p->viewHeight*sy, p->image->height, p->alignY) / sy; - } - - // Transform - sx *= us; - sy *= us; - avgs = (sx+sy) / 2.0f; - for (shape = p->image->shapes; shape != NULL; shape = shape->next) { - shape->bounds[0] = (shape->bounds[0] + tx) * sx; - shape->bounds[1] = (shape->bounds[1] + ty) * sy; - shape->bounds[2] = (shape->bounds[2] + tx) * sx; - shape->bounds[3] = (shape->bounds[3] + ty) * sy; - for (path = shape->paths; path != NULL; path = path->next) { - path->bounds[0] = (path->bounds[0] + tx) * sx; - path->bounds[1] = (path->bounds[1] + ty) * sy; - path->bounds[2] = (path->bounds[2] + tx) * sx; - path->bounds[3] = (path->bounds[3] + ty) * sy; - for (i =0; i < path->npts; i++) { - pt = &path->pts[i*2]; - pt[0] = (pt[0] + tx) * sx; - pt[1] = (pt[1] + ty) * sy; - } - } - - if (shape->fill.type == NSVG_PAINT_LINEAR_GRADIENT || shape->fill.type == NSVG_PAINT_RADIAL_GRADIENT) { - nsvg__scaleGradient(shape->fill.gradient, tx,ty, sx,sy); - memcpy(t, shape->fill.gradient->xform, sizeof(float)*6); - nsvg__xformInverse(shape->fill.gradient->xform, t); - } - if (shape->stroke.type == NSVG_PAINT_LINEAR_GRADIENT || shape->stroke.type == NSVG_PAINT_RADIAL_GRADIENT) { - nsvg__scaleGradient(shape->stroke.gradient, tx,ty, sx,sy); - memcpy(t, shape->stroke.gradient->xform, sizeof(float)*6); - nsvg__xformInverse(shape->stroke.gradient->xform, t); - } - - shape->strokeWidth *= avgs; - shape->strokeDashOffset *= avgs; - for (i = 0; i < shape->strokeDashCount; i++) - shape->strokeDashArray[i] *= avgs; - } -} - -NSVGimage* nsvgParse(char* input, const char* units, float dpi) -{ - NSVGparser* p; - NSVGimage* ret = 0; - - p = nsvg__createParser(); - if (p == NULL) { - return NULL; - } - p->dpi = dpi; - - nsvg__parseXML(input, nsvg__startElement, nsvg__endElement, nsvg__content, p); - - // Scale to viewBox - nsvg__scaleToViewbox(p, units); - - ret = p->image; - p->image = NULL; - - nsvg__deleteParser(p); - - return ret; -} - -NSVGimage* nsvgParseFromFile(const char* filename, const char* units, float dpi) -{ - FILE* fp = NULL; - size_t size; - char* data = NULL; - NSVGimage* image = NULL; - - fp = fopen(filename, "rb"); - if (!fp) goto error; - fseek(fp, 0, SEEK_END); - size = ftell(fp); - fseek(fp, 0, SEEK_SET); - data = (char*)malloc(size+1); - if (data == NULL) goto error; - if (fread(data, 1, size, fp) != size) goto error; - data[size] = '\0'; // Must be null terminated. - fclose(fp); - image = nsvgParse(data, units, dpi); - free(data); - - return image; - -error: - if (fp) fclose(fp); - if (data) free(data); - if (image) nsvgDelete(image); - return NULL; -} - -NSVGpath* nsvgDuplicatePath(NSVGpath* p) -{ - NSVGpath* res = NULL; - - if (p == NULL) - return NULL; - - res = (NSVGpath*)malloc(sizeof(NSVGpath)); - if (res == NULL) goto error; - memset(res, 0, sizeof(NSVGpath)); - - res->pts = (float*)malloc(p->npts*2*sizeof(float)); - if (res->pts == NULL) goto error; - memcpy(res->pts, p->pts, p->npts * sizeof(float) * 2); - res->npts = p->npts; - - memcpy(res->bounds, p->bounds, sizeof(p->bounds)); - - res->closed = p->closed; - - return res; - -error: - if (res != NULL) { - free(res->pts); - free(res); - } - return NULL; -} - -void nsvgDelete(NSVGimage* image) -{ - NSVGshape *snext, *shape; - if (image == NULL) return; - shape = image->shapes; - while (shape != NULL) { - snext = shape->next; - nsvg__deletePaths(shape->paths); - nsvg__deletePaint(&shape->fill); - nsvg__deletePaint(&shape->stroke); - free(shape); - shape = snext; - } - free(image); -} - -#endif // NANOSVG_IMPLEMENTATION - -#endif // NANOSVG_H diff --git a/src/raylib/external/nanosvgrast.h b/src/raylib/external/nanosvgrast.h deleted file mode 100644 index 6e23acb..0000000 --- a/src/raylib/external/nanosvgrast.h +++ /dev/null @@ -1,1458 +0,0 @@ -/* - * Copyright (c) 2013-14 Mikko Mononen memon@inside.org - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would be - * appreciated but is not required. - * 2. Altered source versions must be plainly marked as such, and must not be - * misrepresented as being the original software. - * 3. This notice may not be removed or altered from any source distribution. - * - * The polygon rasterization is heavily based on stb_truetype rasterizer - * by Sean Barrett - http://nothings.org/ - * - */ - -#ifndef NANOSVGRAST_H -#define NANOSVGRAST_H - -#include "nanosvg.h" - -#ifndef NANOSVGRAST_CPLUSPLUS -#ifdef __cplusplus -extern "C" { -#endif -#endif - -typedef struct NSVGrasterizer NSVGrasterizer; - -/* Example Usage: - // Load SVG - NSVGimage* image; - image = nsvgParseFromFile("test.svg", "px", 96); - - // Create rasterizer (can be used to render multiple images). - struct NSVGrasterizer* rast = nsvgCreateRasterizer(); - // Allocate memory for image - unsigned char* img = malloc(w*h*4); - // Rasterize - nsvgRasterize(rast, image, 0,0,1, img, w, h, w*4); -*/ - -// Allocated rasterizer context. -NSVGrasterizer* nsvgCreateRasterizer(void); - -// Rasterizes SVG image, returns RGBA image (non-premultiplied alpha) -// r - pointer to rasterizer context -// image - pointer to image to rasterize -// tx,ty - image offset (applied after scaling) -// scale - image scale -// dst - pointer to destination image data, 4 bytes per pixel (RGBA) -// w - width of the image to render -// h - height of the image to render -// stride - number of bytes per scaleline in the destination buffer -void nsvgRasterize(NSVGrasterizer* r, - NSVGimage* image, float tx, float ty, float scale, - unsigned char* dst, int w, int h, int stride); - -// Deletes rasterizer context. -void nsvgDeleteRasterizer(NSVGrasterizer*); - - -#ifndef NANOSVGRAST_CPLUSPLUS -#ifdef __cplusplus -} -#endif -#endif - -#ifdef NANOSVGRAST_IMPLEMENTATION - -#include -#include -#include - -#define NSVG__SUBSAMPLES 5 -#define NSVG__FIXSHIFT 10 -#define NSVG__FIX (1 << NSVG__FIXSHIFT) -#define NSVG__FIXMASK (NSVG__FIX-1) -#define NSVG__MEMPAGE_SIZE 1024 - -typedef struct NSVGedge { - float x0,y0, x1,y1; - int dir; - struct NSVGedge* next; -} NSVGedge; - -typedef struct NSVGpoint { - float x, y; - float dx, dy; - float len; - float dmx, dmy; - unsigned char flags; -} NSVGpoint; - -typedef struct NSVGactiveEdge { - int x,dx; - float ey; - int dir; - struct NSVGactiveEdge *next; -} NSVGactiveEdge; - -typedef struct NSVGmemPage { - unsigned char mem[NSVG__MEMPAGE_SIZE]; - int size; - struct NSVGmemPage* next; -} NSVGmemPage; - -typedef struct NSVGcachedPaint { - char type; - char spread; - float xform[6]; - unsigned int colors[256]; -} NSVGcachedPaint; - -struct NSVGrasterizer -{ - float px, py; - - float tessTol; - float distTol; - - NSVGedge* edges; - int nedges; - int cedges; - - NSVGpoint* points; - int npoints; - int cpoints; - - NSVGpoint* points2; - int npoints2; - int cpoints2; - - NSVGactiveEdge* freelist; - NSVGmemPage* pages; - NSVGmemPage* curpage; - - unsigned char* scanline; - int cscanline; - - unsigned char* bitmap; - int width, height, stride; -}; - -NSVGrasterizer* nsvgCreateRasterizer(void) -{ - NSVGrasterizer* r = (NSVGrasterizer*)malloc(sizeof(NSVGrasterizer)); - if (r == NULL) goto error; - memset(r, 0, sizeof(NSVGrasterizer)); - - r->tessTol = 0.25f; - r->distTol = 0.01f; - - return r; - -error: - nsvgDeleteRasterizer(r); - return NULL; -} - -void nsvgDeleteRasterizer(NSVGrasterizer* r) -{ - NSVGmemPage* p; - - if (r == NULL) return; - - p = r->pages; - while (p != NULL) { - NSVGmemPage* next = p->next; - free(p); - p = next; - } - - if (r->edges) free(r->edges); - if (r->points) free(r->points); - if (r->points2) free(r->points2); - if (r->scanline) free(r->scanline); - - free(r); -} - -static NSVGmemPage* nsvg__nextPage(NSVGrasterizer* r, NSVGmemPage* cur) -{ - NSVGmemPage *newp; - - // If using existing chain, return the next page in chain - if (cur != NULL && cur->next != NULL) { - return cur->next; - } - - // Alloc new page - newp = (NSVGmemPage*)malloc(sizeof(NSVGmemPage)); - if (newp == NULL) return NULL; - memset(newp, 0, sizeof(NSVGmemPage)); - - // Add to linked list - if (cur != NULL) - cur->next = newp; - else - r->pages = newp; - - return newp; -} - -static void nsvg__resetPool(NSVGrasterizer* r) -{ - NSVGmemPage* p = r->pages; - while (p != NULL) { - p->size = 0; - p = p->next; - } - r->curpage = r->pages; -} - -static unsigned char* nsvg__alloc(NSVGrasterizer* r, int size) -{ - unsigned char* buf; - if (size > NSVG__MEMPAGE_SIZE) return NULL; - if (r->curpage == NULL || r->curpage->size+size > NSVG__MEMPAGE_SIZE) { - r->curpage = nsvg__nextPage(r, r->curpage); - } - buf = &r->curpage->mem[r->curpage->size]; - r->curpage->size += size; - return buf; -} - -static int nsvg__ptEquals(float x1, float y1, float x2, float y2, float tol) -{ - float dx = x2 - x1; - float dy = y2 - y1; - return dx*dx + dy*dy < tol*tol; -} - -static void nsvg__addPathPoint(NSVGrasterizer* r, float x, float y, int flags) -{ - NSVGpoint* pt; - - if (r->npoints > 0) { - pt = &r->points[r->npoints-1]; - if (nsvg__ptEquals(pt->x,pt->y, x,y, r->distTol)) { - pt->flags = (unsigned char)(pt->flags | flags); - return; - } - } - - if (r->npoints+1 > r->cpoints) { - r->cpoints = r->cpoints > 0 ? r->cpoints * 2 : 64; - r->points = (NSVGpoint*)realloc(r->points, sizeof(NSVGpoint) * r->cpoints); - if (r->points == NULL) return; - } - - pt = &r->points[r->npoints]; - pt->x = x; - pt->y = y; - pt->flags = (unsigned char)flags; - r->npoints++; -} - -static void nsvg__appendPathPoint(NSVGrasterizer* r, NSVGpoint pt) -{ - if (r->npoints+1 > r->cpoints) { - r->cpoints = r->cpoints > 0 ? r->cpoints * 2 : 64; - r->points = (NSVGpoint*)realloc(r->points, sizeof(NSVGpoint) * r->cpoints); - if (r->points == NULL) return; - } - r->points[r->npoints] = pt; - r->npoints++; -} - -static void nsvg__duplicatePoints(NSVGrasterizer* r) -{ - if (r->npoints > r->cpoints2) { - r->cpoints2 = r->npoints; - r->points2 = (NSVGpoint*)realloc(r->points2, sizeof(NSVGpoint) * r->cpoints2); - if (r->points2 == NULL) return; - } - - memcpy(r->points2, r->points, sizeof(NSVGpoint) * r->npoints); - r->npoints2 = r->npoints; -} - -static void nsvg__addEdge(NSVGrasterizer* r, float x0, float y0, float x1, float y1) -{ - NSVGedge* e; - - // Skip horizontal edges - if (y0 == y1) - return; - - if (r->nedges+1 > r->cedges) { - r->cedges = r->cedges > 0 ? r->cedges * 2 : 64; - r->edges = (NSVGedge*)realloc(r->edges, sizeof(NSVGedge) * r->cedges); - if (r->edges == NULL) return; - } - - e = &r->edges[r->nedges]; - r->nedges++; - - if (y0 < y1) { - e->x0 = x0; - e->y0 = y0; - e->x1 = x1; - e->y1 = y1; - e->dir = 1; - } else { - e->x0 = x1; - e->y0 = y1; - e->x1 = x0; - e->y1 = y0; - e->dir = -1; - } -} - -static float nsvg__normalize(float *x, float* y) -{ - float d = sqrtf((*x)*(*x) + (*y)*(*y)); - if (d > 1e-6f) { - float id = 1.0f / d; - *x *= id; - *y *= id; - } - return d; -} - -static float nsvg__absf(float x) { return x < 0 ? -x : x; } - -static void nsvg__flattenCubicBez(NSVGrasterizer* r, - float x1, float y1, float x2, float y2, - float x3, float y3, float x4, float y4, - int level, int type) -{ - float x12,y12,x23,y23,x34,y34,x123,y123,x234,y234,x1234,y1234; - float dx,dy,d2,d3; - - if (level > 10) return; - - x12 = (x1+x2)*0.5f; - y12 = (y1+y2)*0.5f; - x23 = (x2+x3)*0.5f; - y23 = (y2+y3)*0.5f; - x34 = (x3+x4)*0.5f; - y34 = (y3+y4)*0.5f; - x123 = (x12+x23)*0.5f; - y123 = (y12+y23)*0.5f; - - dx = x4 - x1; - dy = y4 - y1; - d2 = nsvg__absf(((x2 - x4) * dy - (y2 - y4) * dx)); - d3 = nsvg__absf(((x3 - x4) * dy - (y3 - y4) * dx)); - - if ((d2 + d3)*(d2 + d3) < r->tessTol * (dx*dx + dy*dy)) { - nsvg__addPathPoint(r, x4, y4, type); - return; - } - - x234 = (x23+x34)*0.5f; - y234 = (y23+y34)*0.5f; - x1234 = (x123+x234)*0.5f; - y1234 = (y123+y234)*0.5f; - - nsvg__flattenCubicBez(r, x1,y1, x12,y12, x123,y123, x1234,y1234, level+1, 0); - nsvg__flattenCubicBez(r, x1234,y1234, x234,y234, x34,y34, x4,y4, level+1, type); -} - -static void nsvg__flattenShape(NSVGrasterizer* r, NSVGshape* shape, float scale) -{ - int i, j; - NSVGpath* path; - - for (path = shape->paths; path != NULL; path = path->next) { - r->npoints = 0; - // Flatten path - nsvg__addPathPoint(r, path->pts[0]*scale, path->pts[1]*scale, 0); - for (i = 0; i < path->npts-1; i += 3) { - float* p = &path->pts[i*2]; - nsvg__flattenCubicBez(r, p[0]*scale,p[1]*scale, p[2]*scale,p[3]*scale, p[4]*scale,p[5]*scale, p[6]*scale,p[7]*scale, 0, 0); - } - // Close path - nsvg__addPathPoint(r, path->pts[0]*scale, path->pts[1]*scale, 0); - // Build edges - for (i = 0, j = r->npoints-1; i < r->npoints; j = i++) - nsvg__addEdge(r, r->points[j].x, r->points[j].y, r->points[i].x, r->points[i].y); - } -} - -enum NSVGpointFlags -{ - NSVG_PT_CORNER = 0x01, - NSVG_PT_BEVEL = 0x02, - NSVG_PT_LEFT = 0x04 -}; - -static void nsvg__initClosed(NSVGpoint* left, NSVGpoint* right, NSVGpoint* p0, NSVGpoint* p1, float lineWidth) -{ - float w = lineWidth * 0.5f; - float dx = p1->x - p0->x; - float dy = p1->y - p0->y; - float len = nsvg__normalize(&dx, &dy); - float px = p0->x + dx*len*0.5f, py = p0->y + dy*len*0.5f; - float dlx = dy, dly = -dx; - float lx = px - dlx*w, ly = py - dly*w; - float rx = px + dlx*w, ry = py + dly*w; - left->x = lx; left->y = ly; - right->x = rx; right->y = ry; -} - -static void nsvg__buttCap(NSVGrasterizer* r, NSVGpoint* left, NSVGpoint* right, NSVGpoint* p, float dx, float dy, float lineWidth, int connect) -{ - float w = lineWidth * 0.5f; - float px = p->x, py = p->y; - float dlx = dy, dly = -dx; - float lx = px - dlx*w, ly = py - dly*w; - float rx = px + dlx*w, ry = py + dly*w; - - nsvg__addEdge(r, lx, ly, rx, ry); - - if (connect) { - nsvg__addEdge(r, left->x, left->y, lx, ly); - nsvg__addEdge(r, rx, ry, right->x, right->y); - } - left->x = lx; left->y = ly; - right->x = rx; right->y = ry; -} - -static void nsvg__squareCap(NSVGrasterizer* r, NSVGpoint* left, NSVGpoint* right, NSVGpoint* p, float dx, float dy, float lineWidth, int connect) -{ - float w = lineWidth * 0.5f; - float px = p->x - dx*w, py = p->y - dy*w; - float dlx = dy, dly = -dx; - float lx = px - dlx*w, ly = py - dly*w; - float rx = px + dlx*w, ry = py + dly*w; - - nsvg__addEdge(r, lx, ly, rx, ry); - - if (connect) { - nsvg__addEdge(r, left->x, left->y, lx, ly); - nsvg__addEdge(r, rx, ry, right->x, right->y); - } - left->x = lx; left->y = ly; - right->x = rx; right->y = ry; -} - -#ifndef NSVG_PI -#define NSVG_PI (3.14159265358979323846264338327f) -#endif - -static void nsvg__roundCap(NSVGrasterizer* r, NSVGpoint* left, NSVGpoint* right, NSVGpoint* p, float dx, float dy, float lineWidth, int ncap, int connect) -{ - int i; - float w = lineWidth * 0.5f; - float px = p->x, py = p->y; - float dlx = dy, dly = -dx; - float lx = 0, ly = 0, rx = 0, ry = 0, prevx = 0, prevy = 0; - - for (i = 0; i < ncap; i++) { - float a = (float)i/(float)(ncap-1)*NSVG_PI; - float ax = cosf(a) * w, ay = sinf(a) * w; - float x = px - dlx*ax - dx*ay; - float y = py - dly*ax - dy*ay; - - if (i > 0) - nsvg__addEdge(r, prevx, prevy, x, y); - - prevx = x; - prevy = y; - - if (i == 0) { - lx = x; ly = y; - } else if (i == ncap-1) { - rx = x; ry = y; - } - } - - if (connect) { - nsvg__addEdge(r, left->x, left->y, lx, ly); - nsvg__addEdge(r, rx, ry, right->x, right->y); - } - - left->x = lx; left->y = ly; - right->x = rx; right->y = ry; -} - -static void nsvg__bevelJoin(NSVGrasterizer* r, NSVGpoint* left, NSVGpoint* right, NSVGpoint* p0, NSVGpoint* p1, float lineWidth) -{ - float w = lineWidth * 0.5f; - float dlx0 = p0->dy, dly0 = -p0->dx; - float dlx1 = p1->dy, dly1 = -p1->dx; - float lx0 = p1->x - (dlx0 * w), ly0 = p1->y - (dly0 * w); - float rx0 = p1->x + (dlx0 * w), ry0 = p1->y + (dly0 * w); - float lx1 = p1->x - (dlx1 * w), ly1 = p1->y - (dly1 * w); - float rx1 = p1->x + (dlx1 * w), ry1 = p1->y + (dly1 * w); - - nsvg__addEdge(r, lx0, ly0, left->x, left->y); - nsvg__addEdge(r, lx1, ly1, lx0, ly0); - - nsvg__addEdge(r, right->x, right->y, rx0, ry0); - nsvg__addEdge(r, rx0, ry0, rx1, ry1); - - left->x = lx1; left->y = ly1; - right->x = rx1; right->y = ry1; -} - -static void nsvg__miterJoin(NSVGrasterizer* r, NSVGpoint* left, NSVGpoint* right, NSVGpoint* p0, NSVGpoint* p1, float lineWidth) -{ - float w = lineWidth * 0.5f; - float dlx0 = p0->dy, dly0 = -p0->dx; - float dlx1 = p1->dy, dly1 = -p1->dx; - float lx0, rx0, lx1, rx1; - float ly0, ry0, ly1, ry1; - - if (p1->flags & NSVG_PT_LEFT) { - lx0 = lx1 = p1->x - p1->dmx * w; - ly0 = ly1 = p1->y - p1->dmy * w; - nsvg__addEdge(r, lx1, ly1, left->x, left->y); - - rx0 = p1->x + (dlx0 * w); - ry0 = p1->y + (dly0 * w); - rx1 = p1->x + (dlx1 * w); - ry1 = p1->y + (dly1 * w); - nsvg__addEdge(r, right->x, right->y, rx0, ry0); - nsvg__addEdge(r, rx0, ry0, rx1, ry1); - } else { - lx0 = p1->x - (dlx0 * w); - ly0 = p1->y - (dly0 * w); - lx1 = p1->x - (dlx1 * w); - ly1 = p1->y - (dly1 * w); - nsvg__addEdge(r, lx0, ly0, left->x, left->y); - nsvg__addEdge(r, lx1, ly1, lx0, ly0); - - rx0 = rx1 = p1->x + p1->dmx * w; - ry0 = ry1 = p1->y + p1->dmy * w; - nsvg__addEdge(r, right->x, right->y, rx1, ry1); - } - - left->x = lx1; left->y = ly1; - right->x = rx1; right->y = ry1; -} - -static void nsvg__roundJoin(NSVGrasterizer* r, NSVGpoint* left, NSVGpoint* right, NSVGpoint* p0, NSVGpoint* p1, float lineWidth, int ncap) -{ - int i, n; - float w = lineWidth * 0.5f; - float dlx0 = p0->dy, dly0 = -p0->dx; - float dlx1 = p1->dy, dly1 = -p1->dx; - float a0 = atan2f(dly0, dlx0); - float a1 = atan2f(dly1, dlx1); - float da = a1 - a0; - float lx, ly, rx, ry; - - if (da < NSVG_PI) da += NSVG_PI*2; - if (da > NSVG_PI) da -= NSVG_PI*2; - - n = (int)ceilf((nsvg__absf(da) / NSVG_PI) * (float)ncap); - if (n < 2) n = 2; - if (n > ncap) n = ncap; - - lx = left->x; - ly = left->y; - rx = right->x; - ry = right->y; - - for (i = 0; i < n; i++) { - float u = (float)i/(float)(n-1); - float a = a0 + u*da; - float ax = cosf(a) * w, ay = sinf(a) * w; - float lx1 = p1->x - ax, ly1 = p1->y - ay; - float rx1 = p1->x + ax, ry1 = p1->y + ay; - - nsvg__addEdge(r, lx1, ly1, lx, ly); - nsvg__addEdge(r, rx, ry, rx1, ry1); - - lx = lx1; ly = ly1; - rx = rx1; ry = ry1; - } - - left->x = lx; left->y = ly; - right->x = rx; right->y = ry; -} - -static void nsvg__straightJoin(NSVGrasterizer* r, NSVGpoint* left, NSVGpoint* right, NSVGpoint* p1, float lineWidth) -{ - float w = lineWidth * 0.5f; - float lx = p1->x - (p1->dmx * w), ly = p1->y - (p1->dmy * w); - float rx = p1->x + (p1->dmx * w), ry = p1->y + (p1->dmy * w); - - nsvg__addEdge(r, lx, ly, left->x, left->y); - nsvg__addEdge(r, right->x, right->y, rx, ry); - - left->x = lx; left->y = ly; - right->x = rx; right->y = ry; -} - -static int nsvg__curveDivs(float r, float arc, float tol) -{ - float da = acosf(r / (r + tol)) * 2.0f; - int divs = (int)ceilf(arc / da); - if (divs < 2) divs = 2; - return divs; -} - -static void nsvg__expandStroke(NSVGrasterizer* r, NSVGpoint* points, int npoints, int closed, int lineJoin, int lineCap, float lineWidth) -{ - int ncap = nsvg__curveDivs(lineWidth*0.5f, NSVG_PI, r->tessTol); // Calculate divisions per half circle. - NSVGpoint left = {0,0,0,0,0,0,0,0}, right = {0,0,0,0,0,0,0,0}, firstLeft = {0,0,0,0,0,0,0,0}, firstRight = {0,0,0,0,0,0,0,0}; - NSVGpoint* p0, *p1; - int j, s, e; - - // Build stroke edges - if (closed) { - // Looping - p0 = &points[npoints-1]; - p1 = &points[0]; - s = 0; - e = npoints; - } else { - // Add cap - p0 = &points[0]; - p1 = &points[1]; - s = 1; - e = npoints-1; - } - - if (closed) { - nsvg__initClosed(&left, &right, p0, p1, lineWidth); - firstLeft = left; - firstRight = right; - } else { - // Add cap - float dx = p1->x - p0->x; - float dy = p1->y - p0->y; - nsvg__normalize(&dx, &dy); - if (lineCap == NSVG_CAP_BUTT) - nsvg__buttCap(r, &left, &right, p0, dx, dy, lineWidth, 0); - else if (lineCap == NSVG_CAP_SQUARE) - nsvg__squareCap(r, &left, &right, p0, dx, dy, lineWidth, 0); - else if (lineCap == NSVG_CAP_ROUND) - nsvg__roundCap(r, &left, &right, p0, dx, dy, lineWidth, ncap, 0); - } - - for (j = s; j < e; ++j) { - if (p1->flags & NSVG_PT_CORNER) { - if (lineJoin == NSVG_JOIN_ROUND) - nsvg__roundJoin(r, &left, &right, p0, p1, lineWidth, ncap); - else if (lineJoin == NSVG_JOIN_BEVEL || (p1->flags & NSVG_PT_BEVEL)) - nsvg__bevelJoin(r, &left, &right, p0, p1, lineWidth); - else - nsvg__miterJoin(r, &left, &right, p0, p1, lineWidth); - } else { - nsvg__straightJoin(r, &left, &right, p1, lineWidth); - } - p0 = p1++; - } - - if (closed) { - // Loop it - nsvg__addEdge(r, firstLeft.x, firstLeft.y, left.x, left.y); - nsvg__addEdge(r, right.x, right.y, firstRight.x, firstRight.y); - } else { - // Add cap - float dx = p1->x - p0->x; - float dy = p1->y - p0->y; - nsvg__normalize(&dx, &dy); - if (lineCap == NSVG_CAP_BUTT) - nsvg__buttCap(r, &right, &left, p1, -dx, -dy, lineWidth, 1); - else if (lineCap == NSVG_CAP_SQUARE) - nsvg__squareCap(r, &right, &left, p1, -dx, -dy, lineWidth, 1); - else if (lineCap == NSVG_CAP_ROUND) - nsvg__roundCap(r, &right, &left, p1, -dx, -dy, lineWidth, ncap, 1); - } -} - -static void nsvg__prepareStroke(NSVGrasterizer* r, float miterLimit, int lineJoin) -{ - int i, j; - NSVGpoint* p0, *p1; - - p0 = &r->points[r->npoints-1]; - p1 = &r->points[0]; - for (i = 0; i < r->npoints; i++) { - // Calculate segment direction and length - p0->dx = p1->x - p0->x; - p0->dy = p1->y - p0->y; - p0->len = nsvg__normalize(&p0->dx, &p0->dy); - // Advance - p0 = p1++; - } - - // calculate joins - p0 = &r->points[r->npoints-1]; - p1 = &r->points[0]; - for (j = 0; j < r->npoints; j++) { - float dlx0, dly0, dlx1, dly1, dmr2, cross; - dlx0 = p0->dy; - dly0 = -p0->dx; - dlx1 = p1->dy; - dly1 = -p1->dx; - // Calculate extrusions - p1->dmx = (dlx0 + dlx1) * 0.5f; - p1->dmy = (dly0 + dly1) * 0.5f; - dmr2 = p1->dmx*p1->dmx + p1->dmy*p1->dmy; - if (dmr2 > 0.000001f) { - float s2 = 1.0f / dmr2; - if (s2 > 600.0f) { - s2 = 600.0f; - } - p1->dmx *= s2; - p1->dmy *= s2; - } - - // Clear flags, but keep the corner. - p1->flags = (p1->flags & NSVG_PT_CORNER) ? NSVG_PT_CORNER : 0; - - // Keep track of left turns. - cross = p1->dx * p0->dy - p0->dx * p1->dy; - if (cross > 0.0f) - p1->flags |= NSVG_PT_LEFT; - - // Check to see if the corner needs to be beveled. - if (p1->flags & NSVG_PT_CORNER) { - if ((dmr2 * miterLimit*miterLimit) < 1.0f || lineJoin == NSVG_JOIN_BEVEL || lineJoin == NSVG_JOIN_ROUND) { - p1->flags |= NSVG_PT_BEVEL; - } - } - - p0 = p1++; - } -} - -static void nsvg__flattenShapeStroke(NSVGrasterizer* r, NSVGshape* shape, float scale) -{ - int i, j, closed; - NSVGpath* path; - NSVGpoint* p0, *p1; - float miterLimit = shape->miterLimit; - int lineJoin = shape->strokeLineJoin; - int lineCap = shape->strokeLineCap; - float lineWidth = shape->strokeWidth * scale; - - for (path = shape->paths; path != NULL; path = path->next) { - // Flatten path - r->npoints = 0; - nsvg__addPathPoint(r, path->pts[0]*scale, path->pts[1]*scale, NSVG_PT_CORNER); - for (i = 0; i < path->npts-1; i += 3) { - float* p = &path->pts[i*2]; - nsvg__flattenCubicBez(r, p[0]*scale,p[1]*scale, p[2]*scale,p[3]*scale, p[4]*scale,p[5]*scale, p[6]*scale,p[7]*scale, 0, NSVG_PT_CORNER); - } - if (r->npoints < 2) - continue; - - closed = path->closed; - - // If the first and last points are the same, remove the last, mark as closed path. - p0 = &r->points[r->npoints-1]; - p1 = &r->points[0]; - if (nsvg__ptEquals(p0->x,p0->y, p1->x,p1->y, r->distTol)) { - r->npoints--; - p0 = &r->points[r->npoints-1]; - closed = 1; - } - - if (shape->strokeDashCount > 0) { - int idash = 0, dashState = 1; - float totalDist = 0, dashLen, allDashLen, dashOffset; - NSVGpoint cur; - - if (closed) - nsvg__appendPathPoint(r, r->points[0]); - - // Duplicate points -> points2. - nsvg__duplicatePoints(r); - - r->npoints = 0; - cur = r->points2[0]; - nsvg__appendPathPoint(r, cur); - - // Figure out dash offset. - allDashLen = 0; - for (j = 0; j < shape->strokeDashCount; j++) - allDashLen += shape->strokeDashArray[j]; - if (shape->strokeDashCount & 1) - allDashLen *= 2.0f; - // Find location inside pattern - dashOffset = fmodf(shape->strokeDashOffset, allDashLen); - if (dashOffset < 0.0f) - dashOffset += allDashLen; - - while (dashOffset > shape->strokeDashArray[idash]) { - dashOffset -= shape->strokeDashArray[idash]; - idash = (idash + 1) % shape->strokeDashCount; - } - dashLen = (shape->strokeDashArray[idash] - dashOffset) * scale; - - for (j = 1; j < r->npoints2; ) { - float dx = r->points2[j].x - cur.x; - float dy = r->points2[j].y - cur.y; - float dist = sqrtf(dx*dx + dy*dy); - - if ((totalDist + dist) > dashLen) { - // Calculate intermediate point - float d = (dashLen - totalDist) / dist; - float x = cur.x + dx * d; - float y = cur.y + dy * d; - nsvg__addPathPoint(r, x, y, NSVG_PT_CORNER); - - // Stroke - if (r->npoints > 1 && dashState) { - nsvg__prepareStroke(r, miterLimit, lineJoin); - nsvg__expandStroke(r, r->points, r->npoints, 0, lineJoin, lineCap, lineWidth); - } - // Advance dash pattern - dashState = !dashState; - idash = (idash+1) % shape->strokeDashCount; - dashLen = shape->strokeDashArray[idash] * scale; - // Restart - cur.x = x; - cur.y = y; - cur.flags = NSVG_PT_CORNER; - totalDist = 0.0f; - r->npoints = 0; - nsvg__appendPathPoint(r, cur); - } else { - totalDist += dist; - cur = r->points2[j]; - nsvg__appendPathPoint(r, cur); - j++; - } - } - // Stroke any leftover path - if (r->npoints > 1 && dashState) - nsvg__expandStroke(r, r->points, r->npoints, 0, lineJoin, lineCap, lineWidth); - } else { - nsvg__prepareStroke(r, miterLimit, lineJoin); - nsvg__expandStroke(r, r->points, r->npoints, closed, lineJoin, lineCap, lineWidth); - } - } -} - -static int nsvg__cmpEdge(const void *p, const void *q) -{ - const NSVGedge* a = (const NSVGedge*)p; - const NSVGedge* b = (const NSVGedge*)q; - - if (a->y0 < b->y0) return -1; - if (a->y0 > b->y0) return 1; - return 0; -} - - -static NSVGactiveEdge* nsvg__addActive(NSVGrasterizer* r, NSVGedge* e, float startPoint) -{ - NSVGactiveEdge* z; - - if (r->freelist != NULL) { - // Restore from freelist. - z = r->freelist; - r->freelist = z->next; - } else { - // Alloc new edge. - z = (NSVGactiveEdge*)nsvg__alloc(r, sizeof(NSVGactiveEdge)); - if (z == NULL) return NULL; - } - - float dxdy = (e->x1 - e->x0) / (e->y1 - e->y0); -// STBTT_assert(e->y0 <= start_point); - // round dx down to avoid going too far - if (dxdy < 0) - z->dx = (int)(-floorf(NSVG__FIX * -dxdy)); - else - z->dx = (int)floorf(NSVG__FIX * dxdy); - z->x = (int)floorf(NSVG__FIX * (e->x0 + dxdy * (startPoint - e->y0))); -// z->x -= off_x * FIX; - z->ey = e->y1; - z->next = 0; - z->dir = e->dir; - - return z; -} - -static void nsvg__freeActive(NSVGrasterizer* r, NSVGactiveEdge* z) -{ - z->next = r->freelist; - r->freelist = z; -} - -static void nsvg__fillScanline(unsigned char* scanline, int len, int x0, int x1, int maxWeight, int* xmin, int* xmax) -{ - int i = x0 >> NSVG__FIXSHIFT; - int j = x1 >> NSVG__FIXSHIFT; - if (i < *xmin) *xmin = i; - if (j > *xmax) *xmax = j; - if (i < len && j >= 0) { - if (i == j) { - // x0,x1 are the same pixel, so compute combined coverage - scanline[i] = (unsigned char)(scanline[i] + ((x1 - x0) * maxWeight >> NSVG__FIXSHIFT)); - } else { - if (i >= 0) // add antialiasing for x0 - scanline[i] = (unsigned char)(scanline[i] + (((NSVG__FIX - (x0 & NSVG__FIXMASK)) * maxWeight) >> NSVG__FIXSHIFT)); - else - i = -1; // clip - - if (j < len) // add antialiasing for x1 - scanline[j] = (unsigned char)(scanline[j] + (((x1 & NSVG__FIXMASK) * maxWeight) >> NSVG__FIXSHIFT)); - else - j = len; // clip - - for (++i; i < j; ++i) // fill pixels between x0 and x1 - scanline[i] = (unsigned char)(scanline[i] + maxWeight); - } - } -} - -// note: this routine clips fills that extend off the edges... ideally this -// wouldn't happen, but it could happen if the truetype glyph bounding boxes -// are wrong, or if the user supplies a too-small bitmap -static void nsvg__fillActiveEdges(unsigned char* scanline, int len, NSVGactiveEdge* e, int maxWeight, int* xmin, int* xmax, char fillRule) -{ - // non-zero winding fill - int x0 = 0, w = 0; - - if (fillRule == NSVG_FILLRULE_NONZERO) { - // Non-zero - while (e != NULL) { - if (w == 0) { - // if we're currently at zero, we need to record the edge start point - x0 = e->x; w += e->dir; - } else { - int x1 = e->x; w += e->dir; - // if we went to zero, we need to draw - if (w == 0) - nsvg__fillScanline(scanline, len, x0, x1, maxWeight, xmin, xmax); - } - e = e->next; - } - } else if (fillRule == NSVG_FILLRULE_EVENODD) { - // Even-odd - while (e != NULL) { - if (w == 0) { - // if we're currently at zero, we need to record the edge start point - x0 = e->x; w = 1; - } else { - int x1 = e->x; w = 0; - nsvg__fillScanline(scanline, len, x0, x1, maxWeight, xmin, xmax); - } - e = e->next; - } - } -} - -static float nsvg__clampf(float a, float mn, float mx) { return a < mn ? mn : (a > mx ? mx : a); } - -static unsigned int nsvg__RGBA(unsigned char r, unsigned char g, unsigned char b, unsigned char a) -{ - return ((unsigned int)r) | ((unsigned int)g << 8) | ((unsigned int)b << 16) | ((unsigned int)a << 24); -} - -static unsigned int nsvg__lerpRGBA(unsigned int c0, unsigned int c1, float u) -{ - int iu = (int)(nsvg__clampf(u, 0.0f, 1.0f) * 256.0f); - int r = (((c0) & 0xff)*(256-iu) + (((c1) & 0xff)*iu)) >> 8; - int g = (((c0>>8) & 0xff)*(256-iu) + (((c1>>8) & 0xff)*iu)) >> 8; - int b = (((c0>>16) & 0xff)*(256-iu) + (((c1>>16) & 0xff)*iu)) >> 8; - int a = (((c0>>24) & 0xff)*(256-iu) + (((c1>>24) & 0xff)*iu)) >> 8; - return nsvg__RGBA((unsigned char)r, (unsigned char)g, (unsigned char)b, (unsigned char)a); -} - -static unsigned int nsvg__applyOpacity(unsigned int c, float u) -{ - int iu = (int)(nsvg__clampf(u, 0.0f, 1.0f) * 256.0f); - int r = (c) & 0xff; - int g = (c>>8) & 0xff; - int b = (c>>16) & 0xff; - int a = (((c>>24) & 0xff)*iu) >> 8; - return nsvg__RGBA((unsigned char)r, (unsigned char)g, (unsigned char)b, (unsigned char)a); -} - -static inline int nsvg__div255(int x) -{ - return ((x+1) * 257) >> 16; -} - -static void nsvg__scanlineSolid(unsigned char* dst, int count, unsigned char* cover, int x, int y, - float tx, float ty, float scale, NSVGcachedPaint* cache) -{ - - if (cache->type == NSVG_PAINT_COLOR) { - int i, cr, cg, cb, ca; - cr = cache->colors[0] & 0xff; - cg = (cache->colors[0] >> 8) & 0xff; - cb = (cache->colors[0] >> 16) & 0xff; - ca = (cache->colors[0] >> 24) & 0xff; - - for (i = 0; i < count; i++) { - int r,g,b; - int a = nsvg__div255((int)cover[0] * ca); - int ia = 255 - a; - // Premultiply - r = nsvg__div255(cr * a); - g = nsvg__div255(cg * a); - b = nsvg__div255(cb * a); - - // Blend over - r += nsvg__div255(ia * (int)dst[0]); - g += nsvg__div255(ia * (int)dst[1]); - b += nsvg__div255(ia * (int)dst[2]); - a += nsvg__div255(ia * (int)dst[3]); - - dst[0] = (unsigned char)r; - dst[1] = (unsigned char)g; - dst[2] = (unsigned char)b; - dst[3] = (unsigned char)a; - - cover++; - dst += 4; - } - } else if (cache->type == NSVG_PAINT_LINEAR_GRADIENT) { - // TODO: spread modes. - // TODO: plenty of opportunities to optimize. - float fx, fy, dx, gy; - float* t = cache->xform; - int i, cr, cg, cb, ca; - unsigned int c; - - fx = ((float)x - tx) / scale; - fy = ((float)y - ty) / scale; - dx = 1.0f / scale; - - for (i = 0; i < count; i++) { - int r,g,b,a,ia; - gy = fx*t[1] + fy*t[3] + t[5]; - c = cache->colors[(int)nsvg__clampf(gy*255.0f, 0, 255.0f)]; - cr = (c) & 0xff; - cg = (c >> 8) & 0xff; - cb = (c >> 16) & 0xff; - ca = (c >> 24) & 0xff; - - a = nsvg__div255((int)cover[0] * ca); - ia = 255 - a; - - // Premultiply - r = nsvg__div255(cr * a); - g = nsvg__div255(cg * a); - b = nsvg__div255(cb * a); - - // Blend over - r += nsvg__div255(ia * (int)dst[0]); - g += nsvg__div255(ia * (int)dst[1]); - b += nsvg__div255(ia * (int)dst[2]); - a += nsvg__div255(ia * (int)dst[3]); - - dst[0] = (unsigned char)r; - dst[1] = (unsigned char)g; - dst[2] = (unsigned char)b; - dst[3] = (unsigned char)a; - - cover++; - dst += 4; - fx += dx; - } - } else if (cache->type == NSVG_PAINT_RADIAL_GRADIENT) { - // TODO: spread modes. - // TODO: plenty of opportunities to optimize. - // TODO: focus (fx,fy) - float fx, fy, dx, gx, gy, gd; - float* t = cache->xform; - int i, cr, cg, cb, ca; - unsigned int c; - - fx = ((float)x - tx) / scale; - fy = ((float)y - ty) / scale; - dx = 1.0f / scale; - - for (i = 0; i < count; i++) { - int r,g,b,a,ia; - gx = fx*t[0] + fy*t[2] + t[4]; - gy = fx*t[1] + fy*t[3] + t[5]; - gd = sqrtf(gx*gx + gy*gy); - c = cache->colors[(int)nsvg__clampf(gd*255.0f, 0, 255.0f)]; - cr = (c) & 0xff; - cg = (c >> 8) & 0xff; - cb = (c >> 16) & 0xff; - ca = (c >> 24) & 0xff; - - a = nsvg__div255((int)cover[0] * ca); - ia = 255 - a; - - // Premultiply - r = nsvg__div255(cr * a); - g = nsvg__div255(cg * a); - b = nsvg__div255(cb * a); - - // Blend over - r += nsvg__div255(ia * (int)dst[0]); - g += nsvg__div255(ia * (int)dst[1]); - b += nsvg__div255(ia * (int)dst[2]); - a += nsvg__div255(ia * (int)dst[3]); - - dst[0] = (unsigned char)r; - dst[1] = (unsigned char)g; - dst[2] = (unsigned char)b; - dst[3] = (unsigned char)a; - - cover++; - dst += 4; - fx += dx; - } - } -} - -static void nsvg__rasterizeSortedEdges(NSVGrasterizer *r, float tx, float ty, float scale, NSVGcachedPaint* cache, char fillRule) -{ - NSVGactiveEdge *active = NULL; - int y, s; - int e = 0; - int maxWeight = (255 / NSVG__SUBSAMPLES); // weight per vertical scanline - int xmin, xmax; - - for (y = 0; y < r->height; y++) { - memset(r->scanline, 0, r->width); - xmin = r->width; - xmax = 0; - for (s = 0; s < NSVG__SUBSAMPLES; ++s) { - // find center of pixel for this scanline - float scany = (float)(y*NSVG__SUBSAMPLES + s) + 0.5f; - NSVGactiveEdge **step = &active; - - // update all active edges; - // remove all active edges that terminate before the center of this scanline - while (*step) { - NSVGactiveEdge *z = *step; - if (z->ey <= scany) { - *step = z->next; // delete from list -// NSVG__assert(z->valid); - nsvg__freeActive(r, z); - } else { - z->x += z->dx; // advance to position for current scanline - step = &((*step)->next); // advance through list - } - } - - // resort the list if needed - for (;;) { - int changed = 0; - step = &active; - while (*step && (*step)->next) { - if ((*step)->x > (*step)->next->x) { - NSVGactiveEdge* t = *step; - NSVGactiveEdge* q = t->next; - t->next = q->next; - q->next = t; - *step = q; - changed = 1; - } - step = &(*step)->next; - } - if (!changed) break; - } - - // insert all edges that start before the center of this scanline -- omit ones that also end on this scanline - while (e < r->nedges && r->edges[e].y0 <= scany) { - if (r->edges[e].y1 > scany) { - NSVGactiveEdge* z = nsvg__addActive(r, &r->edges[e], scany); - if (z == NULL) break; - // find insertion point - if (active == NULL) { - active = z; - } else if (z->x < active->x) { - // insert at front - z->next = active; - active = z; - } else { - // find thing to insert AFTER - NSVGactiveEdge* p = active; - while (p->next && p->next->x < z->x) - p = p->next; - // at this point, p->next->x is NOT < z->x - z->next = p->next; - p->next = z; - } - } - e++; - } - - // now process all active edges in non-zero fashion - if (active != NULL) - nsvg__fillActiveEdges(r->scanline, r->width, active, maxWeight, &xmin, &xmax, fillRule); - } - // Blit - if (xmin < 0) xmin = 0; - if (xmax > r->width-1) xmax = r->width-1; - if (xmin <= xmax) { - nsvg__scanlineSolid(&r->bitmap[y * r->stride] + xmin*4, xmax-xmin+1, &r->scanline[xmin], xmin, y, tx,ty, scale, cache); - } - } - -} - -static void nsvg__unpremultiplyAlpha(unsigned char* image, int w, int h, int stride) -{ - int x,y; - - // Unpremultiply - for (y = 0; y < h; y++) { - unsigned char *row = &image[y*stride]; - for (x = 0; x < w; x++) { - int r = row[0], g = row[1], b = row[2], a = row[3]; - if (a != 0) { - row[0] = (unsigned char)(r*255/a); - row[1] = (unsigned char)(g*255/a); - row[2] = (unsigned char)(b*255/a); - } - row += 4; - } - } - - // Defringe - for (y = 0; y < h; y++) { - unsigned char *row = &image[y*stride]; - for (x = 0; x < w; x++) { - int r = 0, g = 0, b = 0, a = row[3], n = 0; - if (a == 0) { - if (x-1 > 0 && row[-1] != 0) { - r += row[-4]; - g += row[-3]; - b += row[-2]; - n++; - } - if (x+1 < w && row[7] != 0) { - r += row[4]; - g += row[5]; - b += row[6]; - n++; - } - if (y-1 > 0 && row[-stride+3] != 0) { - r += row[-stride]; - g += row[-stride+1]; - b += row[-stride+2]; - n++; - } - if (y+1 < h && row[stride+3] != 0) { - r += row[stride]; - g += row[stride+1]; - b += row[stride+2]; - n++; - } - if (n > 0) { - row[0] = (unsigned char)(r/n); - row[1] = (unsigned char)(g/n); - row[2] = (unsigned char)(b/n); - } - } - row += 4; - } - } -} - - -static void nsvg__initPaint(NSVGcachedPaint* cache, NSVGpaint* paint, float opacity) -{ - int i, j; - NSVGgradient* grad; - - cache->type = paint->type; - - if (paint->type == NSVG_PAINT_COLOR) { - cache->colors[0] = nsvg__applyOpacity(paint->color, opacity); - return; - } - - grad = paint->gradient; - - cache->spread = grad->spread; - memcpy(cache->xform, grad->xform, sizeof(float)*6); - - if (grad->nstops == 0) { - for (i = 0; i < 256; i++) - cache->colors[i] = 0; - } if (grad->nstops == 1) { - for (i = 0; i < 256; i++) - cache->colors[i] = nsvg__applyOpacity(grad->stops[i].color, opacity); - } else { - unsigned int ca, cb = 0; - float ua, ub, du, u; - int ia, ib, count; - - ca = nsvg__applyOpacity(grad->stops[0].color, opacity); - ua = nsvg__clampf(grad->stops[0].offset, 0, 1); - ub = nsvg__clampf(grad->stops[grad->nstops-1].offset, ua, 1); - ia = (int)(ua * 255.0f); - ib = (int)(ub * 255.0f); - for (i = 0; i < ia; i++) { - cache->colors[i] = ca; - } - - for (i = 0; i < grad->nstops-1; i++) { - ca = nsvg__applyOpacity(grad->stops[i].color, opacity); - cb = nsvg__applyOpacity(grad->stops[i+1].color, opacity); - ua = nsvg__clampf(grad->stops[i].offset, 0, 1); - ub = nsvg__clampf(grad->stops[i+1].offset, 0, 1); - ia = (int)(ua * 255.0f); - ib = (int)(ub * 255.0f); - count = ib - ia; - if (count <= 0) continue; - u = 0; - du = 1.0f / (float)count; - for (j = 0; j < count; j++) { - cache->colors[ia+j] = nsvg__lerpRGBA(ca,cb,u); - u += du; - } - } - - for (i = ib; i < 256; i++) - cache->colors[i] = cb; - } - -} - -/* -static void dumpEdges(NSVGrasterizer* r, const char* name) -{ - float xmin = 0, xmax = 0, ymin = 0, ymax = 0; - NSVGedge *e = NULL; - int i; - if (r->nedges == 0) return; - FILE* fp = fopen(name, "w"); - if (fp == NULL) return; - - xmin = xmax = r->edges[0].x0; - ymin = ymax = r->edges[0].y0; - for (i = 0; i < r->nedges; i++) { - e = &r->edges[i]; - xmin = nsvg__minf(xmin, e->x0); - xmin = nsvg__minf(xmin, e->x1); - xmax = nsvg__maxf(xmax, e->x0); - xmax = nsvg__maxf(xmax, e->x1); - ymin = nsvg__minf(ymin, e->y0); - ymin = nsvg__minf(ymin, e->y1); - ymax = nsvg__maxf(ymax, e->y0); - ymax = nsvg__maxf(ymax, e->y1); - } - - fprintf(fp, "", xmin, ymin, (xmax - xmin), (ymax - ymin)); - - for (i = 0; i < r->nedges; i++) { - e = &r->edges[i]; - fprintf(fp ,"", e->x0,e->y0, e->x1,e->y1); - } - - for (i = 0; i < r->npoints; i++) { - if (i+1 < r->npoints) - fprintf(fp ,"", r->points[i].x, r->points[i].y, r->points[i+1].x, r->points[i+1].y); - fprintf(fp ,"", r->points[i].x, r->points[i].y, r->points[i].flags == 0 ? "#f00" : "#0f0"); - } - - fprintf(fp, ""); - fclose(fp); -} -*/ - -void nsvgRasterize(NSVGrasterizer* r, - NSVGimage* image, float tx, float ty, float scale, - unsigned char* dst, int w, int h, int stride) -{ - NSVGshape *shape = NULL; - NSVGedge *e = NULL; - NSVGcachedPaint cache; - int i; - - r->bitmap = dst; - r->width = w; - r->height = h; - r->stride = stride; - - if (w > r->cscanline) { - r->cscanline = w; - r->scanline = (unsigned char*)realloc(r->scanline, w); - if (r->scanline == NULL) return; - } - - for (i = 0; i < h; i++) - memset(&dst[i*stride], 0, w*4); - - for (shape = image->shapes; shape != NULL; shape = shape->next) { - if (!(shape->flags & NSVG_FLAGS_VISIBLE)) - continue; - - if (shape->fill.type != NSVG_PAINT_NONE) { - nsvg__resetPool(r); - r->freelist = NULL; - r->nedges = 0; - - nsvg__flattenShape(r, shape, scale); - - // Scale and translate edges - for (i = 0; i < r->nedges; i++) { - e = &r->edges[i]; - e->x0 = tx + e->x0; - e->y0 = (ty + e->y0) * NSVG__SUBSAMPLES; - e->x1 = tx + e->x1; - e->y1 = (ty + e->y1) * NSVG__SUBSAMPLES; - } - - // Rasterize edges - if (r->nedges != 0) - qsort(r->edges, r->nedges, sizeof(NSVGedge), nsvg__cmpEdge); - - // now, traverse the scanlines and find the intersections on each scanline, use non-zero rule - nsvg__initPaint(&cache, &shape->fill, shape->opacity); - - nsvg__rasterizeSortedEdges(r, tx,ty,scale, &cache, shape->fillRule); - } - if (shape->stroke.type != NSVG_PAINT_NONE && (shape->strokeWidth * scale) > 0.01f) { - nsvg__resetPool(r); - r->freelist = NULL; - r->nedges = 0; - - nsvg__flattenShapeStroke(r, shape, scale); - -// dumpEdges(r, "edge.svg"); - - // Scale and translate edges - for (i = 0; i < r->nedges; i++) { - e = &r->edges[i]; - e->x0 = tx + e->x0; - e->y0 = (ty + e->y0) * NSVG__SUBSAMPLES; - e->x1 = tx + e->x1; - e->y1 = (ty + e->y1) * NSVG__SUBSAMPLES; - } - - // Rasterize edges - if (r->nedges != 0) - qsort(r->edges, r->nedges, sizeof(NSVGedge), nsvg__cmpEdge); - - // now, traverse the scanlines and find the intersections on each scanline, use non-zero rule - nsvg__initPaint(&cache, &shape->stroke, shape->opacity); - - nsvg__rasterizeSortedEdges(r, tx,ty,scale, &cache, NSVG_FILLRULE_NONZERO); - } - } - - nsvg__unpremultiplyAlpha(dst, w, h, stride); - - r->bitmap = NULL; - r->width = 0; - r->height = 0; - r->stride = 0; -} - -#endif // NANOSVGRAST_IMPLEMENTATION - -#endif // NANOSVGRAST_H diff --git a/src/raylib/external/rl_gputex.h b/src/raylib/external/rl_gputex.h index 6b26d1c..4043a92 100644 --- a/src/raylib/external/rl_gputex.h +++ b/src/raylib/external/rl_gputex.h @@ -185,6 +185,7 @@ void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_ if (header->ddspf.flags == 0x40) // No alpha channel { int data_size = image_pixel_size*sizeof(unsigned short); + if (header->mipmap_count > 1) data_size = data_size + data_size / 3; image_data = RL_MALLOC(data_size); memcpy(image_data, file_data_ptr, data_size); @@ -196,6 +197,7 @@ void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_ if (header->ddspf.a_bit_mask == 0x8000) // 1bit alpha { int data_size = image_pixel_size*sizeof(unsigned short); + if (header->mipmap_count > 1) data_size = data_size + data_size / 3; image_data = RL_MALLOC(data_size); memcpy(image_data, file_data_ptr, data_size); @@ -215,6 +217,7 @@ void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_ else if (header->ddspf.a_bit_mask == 0xf000) // 4bit alpha { int data_size = image_pixel_size*sizeof(unsigned short); + if (header->mipmap_count > 1) data_size = data_size + data_size / 3; image_data = RL_MALLOC(data_size); memcpy(image_data, file_data_ptr, data_size); @@ -236,6 +239,7 @@ void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_ else if ((header->ddspf.flags == 0x40) && (header->ddspf.rgb_bit_count == 24)) // DDS_RGB, no compressed { int data_size = image_pixel_size*3*sizeof(unsigned char); + if (header->mipmap_count > 1) data_size = data_size + data_size / 3; image_data = RL_MALLOC(data_size); memcpy(image_data, file_data_ptr, data_size); @@ -245,6 +249,7 @@ void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_ else if ((header->ddspf.flags == 0x41) && (header->ddspf.rgb_bit_count == 32)) // DDS_RGBA, no compressed { int data_size = image_pixel_size*4*sizeof(unsigned char); + if (header->mipmap_count > 1) data_size = data_size + data_size / 3; image_data = RL_MALLOC(data_size); memcpy(image_data, file_data_ptr, data_size); @@ -265,9 +270,11 @@ void *rl_load_dds_from_memory(const unsigned char *file_data, unsigned int file_ } else if (((header->ddspf.flags == 0x04) || (header->ddspf.flags == 0x05)) && (header->ddspf.fourcc > 0)) // Compressed { - // NOTE: This forces only 1 mipmap to be loaded which is not really correct but it works - int data_size = (header->pitch_or_linear_size < file_size - 0x80) ? header->pitch_or_linear_size : file_size - 0x80; - *mips = 1; + int data_size = 0; + + // Calculate data size, including all mipmaps + if (header->mipmap_count > 1) data_size = header->pitch_or_linear_size + header->pitch_or_linear_size / 3; + else data_size = header->pitch_or_linear_size; image_data = RL_MALLOC(data_size*sizeof(unsigned char)); diff --git a/src/raylib/platforms/rcore_desktop_glfw.c b/src/raylib/platforms/rcore_desktop_glfw.c index d42274d..bb68662 100644 --- a/src/raylib/platforms/rcore_desktop_glfw.c +++ b/src/raylib/platforms/rcore_desktop_glfw.c @@ -966,7 +966,7 @@ const char *GetClipboardText(void) } // Show mouse cursor -void ShowCursor(void) +void rlShowCursor(void) { glfwSetInputMode(platform.handle, GLFW_CURSOR, GLFW_CURSOR_NORMAL); CORE.Input.Mouse.cursorHidden = false; diff --git a/src/raylib/platforms/rcore_desktop_sdl.c b/src/raylib/platforms/rcore_desktop_sdl.c index d385920..0f2fc53 100644 --- a/src/raylib/platforms/rcore_desktop_sdl.c +++ b/src/raylib/platforms/rcore_desktop_sdl.c @@ -1609,7 +1609,6 @@ int InitPlatform(void) //---------------------------------------------------------------------------- // Define base path for storage CORE.Storage.basePath = SDL_GetBasePath(); // Alternative: GetWorkingDirectory(); - CHDIR(CORE.Storage.basePath); //---------------------------------------------------------------------------- TRACELOG(LOG_INFO, "PLATFORM: DESKTOP (SDL): Initialized successfully"); diff --git a/src/raylib/platforms/rcore_web.c b/src/raylib/platforms/rcore_web.c index 84e2a37..7cef04e 100644 --- a/src/raylib/platforms/rcore_web.c +++ b/src/raylib/platforms/rcore_web.c @@ -74,6 +74,8 @@ typedef struct { GLFWwindow *handle; // GLFW window handle (graphic device) bool ourFullscreen; // Internal var to filter our handling of fullscreen vs the user handling of fullscreen + int unmaximizedWidth; // Internal var to store the unmaximized window (canvas) width + int unmaximizedHeight; // Internal var to store the unmaximized window (canvas) height } PlatformData; //---------------------------------------------------------------------------------- @@ -317,7 +319,18 @@ void ToggleBorderlessWindowed(void) // Set window state: maximized, if resizable void MaximizeWindow(void) { - TRACELOG(LOG_WARNING, "MaximizeWindow() not available on target platform"); + if (glfwGetWindowAttrib(platform.handle, GLFW_RESIZABLE) == GLFW_TRUE && !(CORE.Window.flags & FLAG_WINDOW_MAXIMIZED)) + { + platform.unmaximizedWidth = CORE.Window.screen.width; + platform.unmaximizedHeight = CORE.Window.screen.height; + + const int tabWidth = EM_ASM_INT( { return window.innerWidth; }, 0); + const int tabHeight = EM_ASM_INT( { return window.innerHeight; }, 0); + + if (tabWidth && tabHeight) glfwSetWindowSize(platform.handle, tabWidth, tabHeight); + + CORE.Window.flags |= FLAG_WINDOW_MAXIMIZED; + } } // Set window state: minimized @@ -329,7 +342,12 @@ void MinimizeWindow(void) // Set window state: not minimized/maximized void RestoreWindow(void) { - TRACELOG(LOG_WARNING, "RestoreWindow() not available on target platform"); + if (glfwGetWindowAttrib(platform.handle, GLFW_RESIZABLE) == GLFW_TRUE && (CORE.Window.flags & FLAG_WINDOW_MAXIMIZED)) + { + if (platform.unmaximizedWidth && platform.unmaximizedHeight) glfwSetWindowSize(platform.handle, platform.unmaximizedWidth, platform.unmaximizedHeight); + + CORE.Window.flags &= ~FLAG_WINDOW_MAXIMIZED; + } } // Set window configuration state using flags @@ -398,9 +416,20 @@ void SetWindowState(unsigned int flags) } // State change: FLAG_WINDOW_MAXIMIZED - if ((flags & FLAG_WINDOW_MAXIMIZED) > 0) + if (((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) != (flags & FLAG_WINDOW_MAXIMIZED)) && ((flags & FLAG_WINDOW_MAXIMIZED) > 0)) { - TRACELOG(LOG_WARNING, "SetWindowState(FLAG_WINDOW_MAXIMIZED) not available on target platform"); + if (glfwGetWindowAttrib(platform.handle, GLFW_RESIZABLE) == GLFW_TRUE) + { + platform.unmaximizedWidth = CORE.Window.screen.width; + platform.unmaximizedHeight = CORE.Window.screen.height; + + const int tabWidth = EM_ASM_INT( { return window.innerWidth; }, 0); + const int tabHeight = EM_ASM_INT( { return window.innerHeight; }, 0); + + if (tabWidth && tabHeight) glfwSetWindowSize(platform.handle, tabWidth, tabHeight); + + CORE.Window.flags |= FLAG_WINDOW_MAXIMIZED; + } } // State change: FLAG_WINDOW_UNFOCUSED @@ -516,9 +545,14 @@ void ClearWindowState(unsigned int flags) } // State change: FLAG_WINDOW_MAXIMIZED - if ((flags & FLAG_WINDOW_MAXIMIZED) > 0) + if (((CORE.Window.flags & FLAG_WINDOW_MAXIMIZED) > 0) && ((flags & FLAG_WINDOW_MAXIMIZED) > 0)) { - TRACELOG(LOG_WARNING, "ClearWindowState(FLAG_WINDOW_MAXIMIZED) not available on target platform"); + if (glfwGetWindowAttrib(platform.handle, GLFW_RESIZABLE) == GLFW_TRUE) + { + if (platform.unmaximizedWidth && platform.unmaximizedHeight) glfwSetWindowSize(platform.handle, platform.unmaximizedWidth, platform.unmaximizedHeight); + + CORE.Window.flags &= ~FLAG_WINDOW_MAXIMIZED; + } } // State change: FLAG_WINDOW_UNDECORATED @@ -639,7 +673,9 @@ void SetWindowSize(int width, int height) // Set window opacity, value opacity is between 0.0 and 1.0 void SetWindowOpacity(float opacity) { - TRACELOG(LOG_WARNING, "SetWindowOpacity() not available on target platform"); + if (opacity >= 1.0f) opacity = 1.0f; + else if (opacity <= 0.0f) opacity = 0.0f; + EM_ASM({ document.getElementById('canvas').style.opacity = $0; }, opacity); } // Set window focused diff --git a/src/raylib/raylib.h b/src/raylib/raylib.h index 0438662..ea2fdce 100644 --- a/src/raylib/raylib.h +++ b/src/raylib/raylib.h @@ -1146,6 +1146,8 @@ RLAPI char *EncodeDataBase64(const unsigned char *data, int dataSize, int *outpu RLAPI unsigned char *DecodeDataBase64(const unsigned char *data, int *outputSize); // Decode Base64 string data, memory must be MemFree() RLAPI unsigned int ComputeCRC32(unsigned char *data, int dataSize); // Compute CRC32 hash code RLAPI unsigned int *ComputeMD5(unsigned char *data, int dataSize); // Compute MD5 hash code, returns static int[4] (16 bytes) +RLAPI unsigned int *ComputeSHA1(unsigned char *data, int dataSize); // Compute SHA1 hash code, returns static int[5] (20 bytes) + // Automation events functionality RLAPI AutomationEventList LoadAutomationEventList(const char *fileName); // Load automation events list from file, NULL for empty list, capacity = MAX_AUTOMATION_EVENTS diff --git a/src/raylib/rcore.c b/src/raylib/rcore.c index a509607..ff3b0a9 100644 --- a/src/raylib/rcore.c +++ b/src/raylib/rcore.c @@ -2740,6 +2740,102 @@ unsigned int *ComputeMD5(unsigned char *data, int dataSize) return hash; } +// Compute SHA-1 hash code +// NOTE: Returns a static int[5] array (20 bytes) +unsigned int *ComputeSHA1(unsigned char *data, int dataSize) { + #define ROTATE_LEFT(x, c) (((x) << (c)) | ((x) >> (32 - (c)))) + + static unsigned int hash[5] = { 0 }; // Hash to be returned + + // Initialize hash values + hash[0] = 0x67452301; + hash[1] = 0xEFCDAB89; + hash[2] = 0x98BADCFE; + hash[3] = 0x10325476; + hash[4] = 0xC3D2E1F0; + + // Pre-processing: adding a single 1 bit + // Append '1' bit to message + // NOTE: The input bytes are considered as bits strings, + // where the first bit is the most significant bit of the byte + + // Pre-processing: padding with zeros + // Append '0' bit until message length in bit 448 (mod 512) + // Append length mod (2 pow 64) to message + + int newDataSize = ((((dataSize + 8)/64) + 1)*64); + + unsigned char *msg = RL_CALLOC(newDataSize, 1); // Initialize with '0' bits + memcpy(msg, data, dataSize); + msg[dataSize] = 128; // Write the '1' bit + + unsigned int bitsLen = 8*dataSize; + msg[newDataSize-1] = bitsLen; + + // Process the message in successive 512-bit chunks + for (int offset = 0; offset < newDataSize; offset += (512/8)) + { + // Break chunk into sixteen 32-bit words w[j], 0 <= j <= 15 + unsigned int w[80] = {0}; + for (int i = 0; i < 16; i++) { + w[i] = (msg[offset + (i * 4) + 0] << 24) | + (msg[offset + (i * 4) + 1] << 16) | + (msg[offset + (i * 4) + 2] << 8) | + (msg[offset + (i * 4) + 3]); + } + + // Message schedule: extend the sixteen 32-bit words into eighty 32-bit words: + for (int i = 16; i < 80; ++i) { + w[i] = ROTATE_LEFT(w[i-3] ^ w[i-8] ^ w[i-14] ^ w[i-16], 1); + } + + // Initialize hash value for this chunk + unsigned int a = hash[0]; + unsigned int b = hash[1]; + unsigned int c = hash[2]; + unsigned int d = hash[3]; + unsigned int e = hash[4]; + + for (int i = 0; i < 80; i++) + { + unsigned int f = 0; + unsigned int k = 0; + + if (i < 20) { + f = (b & c) | ((~b) & d); + k = 0x5A827999; + } else if (i < 40) { + f = b ^ c ^ d; + k = 0x6ED9EBA1; + } else if (i < 60) { + f = (b & c) | (b & d) | (c & d); + k = 0x8F1BBCDC; + } else { + f = b ^ c ^ d; + k = 0xCA62C1D6; + } + + unsigned int temp = ROTATE_LEFT(a, 5) + f + e + k + w[i]; + e = d; + d = c; + c = ROTATE_LEFT(b, 30); + b = a; + a = temp; + } + + // Add this chunk's hash to result so far + hash[0] += a; + hash[1] += b; + hash[2] += c; + hash[3] += d; + hash[4] += e; + } + + free(msg); + + return hash; +} + //---------------------------------------------------------------------------------- // Module Functions Definition: Automation Events Recording and Playing //---------------------------------------------------------------------------------- diff --git a/src/raylib/rmodels.c b/src/raylib/rmodels.c index 03795c0..8878f4c 100644 --- a/src/raylib/rmodels.c +++ b/src/raylib/rmodels.c @@ -1362,7 +1362,7 @@ void UploadMesh(Mesh *mesh, bool dynamic) #ifdef RL_SUPPORT_MESH_GPU_SKINNING if (mesh->boneIds != NULL) { - // Enable vertex attribute: boneIds (shader-location = 6) + // Enable vertex attribute: boneIds (shader-location = 7) mesh->vboId[RL_DEFAULT_SHADER_ATTRIB_LOCATION_BONEIDS] = rlLoadVertexBuffer(mesh->boneIds, mesh->vertexCount*4*sizeof(unsigned char), dynamic); rlSetVertexAttribute(RL_DEFAULT_SHADER_ATTRIB_LOCATION_BONEIDS, 4, RL_UNSIGNED_BYTE, 0, 0, 0); rlEnableVertexAttribute(RL_DEFAULT_SHADER_ATTRIB_LOCATION_BONEIDS); @@ -1378,7 +1378,7 @@ void UploadMesh(Mesh *mesh, bool dynamic) if (mesh->boneWeights != NULL) { - // Enable vertex attribute: boneWeights (shader-location = 7) + // Enable vertex attribute: boneWeights (shader-location = 8) mesh->vboId[RL_DEFAULT_SHADER_ATTRIB_LOCATION_BONEWEIGHTS] = rlLoadVertexBuffer(mesh->boneWeights, mesh->vertexCount*4*sizeof(float), dynamic); rlSetVertexAttribute(RL_DEFAULT_SHADER_ATTRIB_LOCATION_BONEWEIGHTS, 4, RL_FLOAT, 0, 0, 0); rlEnableVertexAttribute(RL_DEFAULT_SHADER_ATTRIB_LOCATION_BONEWEIGHTS); diff --git a/src/raylib/rtextures.c b/src/raylib/rtextures.c index f65603e..2798a57 100644 --- a/src/raylib/rtextures.c +++ b/src/raylib/rtextures.c @@ -3969,13 +3969,21 @@ void ImageDraw(Image *dst, Image src, rlRectangle srcRec, rlRectangle dstRec, Co // [-] GetPixelColor(): Get Vector4 instead of Color, easier for ColorAlphaBlend() // [ ] Support f32bit channels drawing - // TODO: Support PIXELFORMAT_UNCOMPRESSED_R32, PIXELFORMAT_UNCOMPRESSED_R32G32B32, PIXELFORMAT_UNCOMPRESSED_R32G32B32A32 and 16-bit equivalents + // TODO: Support PIXELFORMAT_UNCOMPRESSED_R32G32B32A32 and PIXELFORMAT_UNCOMPRESSED_R1616B16A16 Color colSrc, colDst, blend; bool blendRequired = true; // Fast path: Avoid blend if source has no alpha to blend - if ((tint.a == 255) && ((srcPtr->format == PIXELFORMAT_UNCOMPRESSED_GRAYSCALE) || (srcPtr->format == PIXELFORMAT_UNCOMPRESSED_R8G8B8) || (srcPtr->format == PIXELFORMAT_UNCOMPRESSED_R5G6B5))) blendRequired = false; + if ((tint.a == 255) && + ((srcPtr->format == PIXELFORMAT_UNCOMPRESSED_GRAYSCALE) || + (srcPtr->format == PIXELFORMAT_UNCOMPRESSED_R5G6B5) || + (srcPtr->format == PIXELFORMAT_UNCOMPRESSED_R8G8B8) || + (srcPtr->format == PIXELFORMAT_UNCOMPRESSED_R32) || + (srcPtr->format == PIXELFORMAT_UNCOMPRESSED_R32G32B32) || + (srcPtr->format == PIXELFORMAT_UNCOMPRESSED_R16) || + (srcPtr->format == PIXELFORMAT_UNCOMPRESSED_R16G16B16))) + blendRequired = false; int strideDst = GetPixelDataSize(dst->width, 1, dst->format); int bytesPerPixelDst = strideDst/(dst->width); diff --git a/src/rmem.nim b/src/rmem.nim index bf0d22b..2611af8 100644 --- a/src/rmem.nim +++ b/src/rmem.nim @@ -86,6 +86,8 @@ runnableExamples: from std/typetraits import supportsCopyMem from std/bitops import countLeadingZeroBits +when defined(nimPreviewSlimSystem): + from std/assertions import assert proc log2Floor(x: int): int {.inline.} = # Undefined for zero argument diff --git a/tests/basic_window.nim b/tests/basic_window.nim index 50f3a4d..e6c0b0e 100644 --- a/tests/basic_window.nim +++ b/tests/basic_window.nim @@ -32,6 +32,32 @@ const screenWidth = 800 screenHeight = 450 +# ---------------------------------------------------------------------------------------- +# Module functions Definition +# ---------------------------------------------------------------------------------------- + +proc testShowCursor() = + showCursor() + +proc testDrawRectangle() = + let rec = Rectangle(x: 100, y: 100, width: 200, height: 150) + let color = Red + drawRectangle(rec, color) + +proc testLoadImage() = + try: + let image = loadImage("test_image.png") + except RaylibError: + echo "Error loading image" + +proc testDrawText() = + drawText("Hello, World!", 100, 100, 20, Black) + +proc testDrawTextWithFont() = + let font = getFontDefault() + let position = Vector2(x: 200, y: 200) + drawText(font, "Hello with custom font", position, 24, 2, DarkGray) + # ---------------------------------------------------------------------------------------- # Program main entry point # ---------------------------------------------------------------------------------------- @@ -42,6 +68,14 @@ proc main = initWindow(screenWidth, screenHeight, "raylib [core] example - basic window") setTargetFPS(60) # Set our game to run at 60 frames-per-second # -------------------------------------------------------------------------------------- + + # Run tests + testShowCursor() + testDrawRectangle() + testLoadImage() + testDrawText() + testDrawTextWithFont() + # Main game loop while not windowShouldClose(): # Detect window close button or ESC key # Update diff --git a/tests/basic_window_web.nim b/tests/basic_window_web.nim index 33aa82c..5bc45c7 100644 --- a/tests/basic_window_web.nim +++ b/tests/basic_window_web.nim @@ -34,6 +34,28 @@ const # Module functions Definition # ---------------------------------------------------------------------------------------- +proc testShowCursor() = + showCursor() + +proc testDrawRectangle() = + let rec = Rectangle(x: 100, y: 100, width: 200, height: 150) + let color = Red + drawRectangle(rec, color) + +proc testLoadImage() = + try: + let image = loadImage("test_image.png") + except RaylibError: + echo "Error loading image" + +proc testDrawText() = + drawText("Hello, World!", 100, 100, 20, Black) + +proc testDrawTextWithFont() = + let font = getFontDefault() + let position = Vector2(x: 200, y: 200) + drawText(font, "Hello with custom font", position, 24, 2, DarkGray) + proc updateDrawFrame {.cdecl.} = # Update # -------------------------------------------------------------------------------------- @@ -55,6 +77,14 @@ proc main = # Initialization # -------------------------------------------------------------------------------------- initWindow(screenWidth, screenHeight, "raylib [core] example - basic window") + + # Run tests + testShowCursor() + testDrawRectangle() + testLoadImage() + testDrawText() + testDrawTextWithFont() + when defined(emscripten): emscriptenSetMainLoop(updateDrawFrame, 0, 1) else: diff --git a/update_bindings.nims b/update_bindings.nims index 91e3fcd..e625d7c 100644 --- a/update_bindings.nims +++ b/update_bindings.nims @@ -5,7 +5,7 @@ const PkgDir = thisDir() RaylibDir = PkgDir / "raylib" RaylibGit = "https://github.com/raysan5/raylib.git" - RayLatestCommit = "d6399622a0280bc8ea458104b946f1860d928156" + RayLatestCommit = "110ee74875412beb41ffb53330b47ec9cb052b2d" ApiDir = PkgDir / "wrapper/api" DocsDir = PkgDir / "docs" ParserDir = RaylibDir / "parser" @@ -77,6 +77,7 @@ task patch, "Patch raylib": task update, "Update the raylib git directory": fetchLatestRaylib() + rmDir(PkgDir / "src/raylib") cpDir(RaylibDir / "src", PkgDir / "src/raylib") task wrap, "Produce all raylib Nim wrappers": diff --git a/wrapper/api/raylib.json b/wrapper/api/raylib.json index 1a2b492..fca3ef7 100644 --- a/wrapper/api/raylib.json +++ b/wrapper/api/raylib.json @@ -4721,6 +4721,21 @@ } ] }, + { + "name": "ComputeSHA1", + "description": "Compute SHA1 hash code, returns static int[5] (20 bytes)", + "returnType": "unsigned int *", + "params": [ + { + "type": "unsigned char *", + "name": "data" + }, + { + "type": "int", + "name": "dataSize" + } + ] + }, { "name": "LoadAutomationEventList", "description": "Load automation events list from file, NULL for empty list, capacity = MAX_AUTOMATION_EVENTS", diff --git a/wrapper/config/raylib.cfg b/wrapper/config/raylib.cfg index 1cd1ed7..afdda13 100644 --- a/wrapper/config/raylib.cfg +++ b/wrapper/config/raylib.cfg @@ -233,6 +233,7 @@ EncodeDataBase64 DecodeDataBase64 ComputeCRC32 ComputeMD5 +ComputeSHA1 # Text codepoints management functions (unicode characters) LoadCodepoints UnloadCodepoints diff --git a/wrapper/processor.nim b/wrapper/processor.nim index 7574bf0..8df7791 100644 --- a/wrapper/processor.nim +++ b/wrapper/processor.nim @@ -56,6 +56,17 @@ proc shouldMarkAsPrivate(name: string, config: ConfigData): bool = proc shouldMarkAsPrivate(module, name: string, config: ConfigData): bool = isPrivateSymbol(module, name, config) +proc updateType(typeVar: var string; module, name: string; + pointerType: PointerType; config: ConfigData) = + let replacement = getReplacement(module, name, config) + if replacement != "": + typeVar = replacement + else: + typeVar = convertType(typeVar, pointerType) + +proc updateType(typeVar: var string; name: string; pointerType: PointerType; config: ConfigData) = + updateType(typeVar, name, "", pointerType, config) + proc processEnums*(ctx: var ApiContext; config: ConfigData) = proc removePrefixes(name: string, config: ConfigData): string = result = name @@ -67,10 +78,8 @@ proc processEnums*(ctx: var ApiContext; config: ConfigData) = for enm in mitems(ctx.api.enums): sort(enm.values, proc (x, y: ValueInfo): int = cmp(x.value, y.value)) - if shouldRemoveNamespacePrefix(enm.name, config): removePrefix(enm.name, config.namespacePrefix) - for val in mitems(enm.values): val.name = removePrefixes(val.name, config).camelCaseAscii() @@ -105,12 +114,11 @@ proc processStructs*(ctx: var ApiContext; config: ConfigData) = if obj.importName != "": obj.importName else: obj.name for fld in mitems(obj.fields): - var fieldType = getReplacement(objName, fld.name, config) - if fieldType == "": - fieldType = convertType(fld.`type`, if isPtArray in fld.flags: ptArray else: ptPtr) + updateType(fld.`type`, objName, fld.name, + if isPtArray in fld.flags: ptArray else: ptPtr, config) if isReadOnlyField(objName, fld.name, config): ctx.readOnlyFieldAccessors.add ParamInfo( - name: fld.name, `type`: obj.name, dirty: fieldType) + name: fld.name, `type`: obj.name, dirty: fld.`type`) fld.flags.incl isPrivate if {isPtArray, isPrivate} * fld.flags == {isPtArray}: let tmp = capitalizeAscii(fld.name) @@ -118,7 +126,6 @@ proc processStructs*(ctx: var ApiContext; config: ConfigData) = `type`: obj.name, name: obj.name & tmp) if isPtArray in fld.flags: fld.flags.incl isPrivate - fld.`type` = fieldType proc checkCstringType(fnc: FunctionInfo, kind: string, config: ConfigData): bool = kind == "cstring" and fnc.name notin config.wrappedFuncs and hasVarargs notin fnc.flags @@ -141,10 +148,9 @@ proc preprocessFunctions(ctx: var ApiContext, config: ConfigData) = if fnc.name in config.noSideEffectsFuncs: fnc.flags.incl isFunc - if fnc.params.len > 0: - if isVarargsParam(fnc.params[^1]): - fnc.flags.incl hasVarargs - fnc.params.setLen(fnc.params.high) + if fnc.params.len > 0 and isVarargsParam(fnc.params[^1]): + fnc.flags.incl hasVarargs + fnc.params.setLen(fnc.params.high) for i, param in enumerate(fnc.params.mitems): if isArray(fnc.name, param.name, config): @@ -179,11 +185,11 @@ proc processFunctions*(ctx: var ApiContext; config: ConfigData) = proc shouldRemoveSuffix(name: string, config: ConfigData): bool = name in config.functionOverloads - proc generateProcName(fnc: FunctionInfo, config: ConfigData): string = - result = fnc.name - if shouldRemoveNamespacePrefix(fnc.name, config): + proc generateProcName(name: string, config: ConfigData): string = + result = name + if shouldRemoveNamespacePrefix(name, config): result.removePrefix(config.namespacePrefix) - if shouldRemoveSuffix(fnc.name, config): + if shouldRemoveSuffix(name, config): for suffix in config.funcOverloadSuffixes: if result.endsWith(suffix): result.removeSuffix(suffix) @@ -193,27 +199,24 @@ proc processFunctions*(ctx: var ApiContext; config: ConfigData) = preprocessFunctions(ctx, config) for fnc in mitems(ctx.api.functions): for i, param in enumerate(fnc.params.mitems): - var paramType = getReplacement(fnc.name, param.name, config) - if paramType == "": - let pointerType = - if isPtArray in param.flags: ptArray - elif isOutParameter(fnc.name, param.name, config): ptOut - elif isPrivate notin fnc.flags: ptVar - else: ptPtr - paramType = convertType(param.`type`, pointerType) if isOpenArray in param.flags: param.dirty = convertType(param.`type`, ptOpenArray) param.flags.incl isOpenArray fnc.params[i+1].dirty = param.name # stores array name - param.`type` = paramType + let pointerType = + if isPtArray in param.flags: ptArray + elif isOutParameter(fnc.name, param.name, config): ptOut + elif isPrivate notin fnc.flags: ptVar + else: ptPtr + updateType(param.`type`, fnc.name, param.name, pointerType, config) if fnc.returnType != "void": - var returnType = getReplacement(fnc.name, config) - if returnType == "": - returnType = convertType(fnc.returnType, - if isPtArray in fnc.flags: ptArray elif isPrivate notin fnc.flags: ptVar else: ptPtr) - fnc.returnType = returnType + let pointerType = + if isPtArray in fnc.flags: ptArray + elif isPrivate notin fnc.flags: ptVar + else: ptPtr + updateType(fnc.returnType, fnc.name, pointerType, config) fnc.importName = (if isMangled in fnc.flags: "rl" else: "") & fnc.name - fnc.name = generateProcName(fnc, config) + fnc.name = generateProcName(fnc.name, config) if isAutoWrappedFunc in fnc.flags: ctx.funcsToWrap.add fnc