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gectrl.c
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gectrl.c
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/*
* Copyright 2008 Department of Mathematical Sciences, New Mexico State University
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* DEPARTMENT OF MATHEMATICAL SCIENCES OR NEW MEXICO STATE UNIVERSITY BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <gtk/gtk.h>
#include "gectrl.h"
#include "gectrlbmaps.h"
#ifdef ENABLE_NLS
#include <libintl.h>
#define _(s) dgettext(GETTEXT_PACKAGE,s)
#else
#define _(s) (s)
#endif
/*
* All the pixmaps are 16x16.
*/
#define BMAP_DIM 16
#define GEC_TOGGLE_SIZE 38
#define GEC_BUTTON_SIZE 33
/*
* Properties of this widget.
*/
enum {
PROP_0 = 0,
TIP_LABEL,
GLYPH_IMAGE,
COLOR_LIST
};
/*
* Signals this widget emits.
*/
enum {
ACTIVATE = 0
};
static GtkDrawingAreaClass *parent_class = 0;
static guint gecontrol_signals[ACTIVATE + 1];
#define GEC_DRAW_TOGGLE 0
#define GEC_MOVE_TOGGLE 1
#define GEC_COPY_TOGGLE 2
#define GEC_FLIPH_BUTTON 3
#define GEC_FLIPV_BUTTON 4
#define GEC_SHEAR_BUTTON 5
#define GEC_RLEFT_BUTTON 6
#define GEC_RRIGHT_BUTTON 7
#define GEC_ROTATE_BUTTON 8
#define GEC_ULEFT_BUTTON 9
#define GEC_UP_BUTTON 10
#define GEC_URIGHT_BUTTON 11
#define GEC_LEFT_BUTTON 12
#define GEC_RIGHT_BUTTON 13
#define GEC_DLEFT_BUTTON 14
#define GEC_DOWN_BUTTON 15
#define GEC_DRIGHT_BUTTON 16
#define GEC_GLYPH_IMAGE 17
/*
* These are encoded in UTF-8.
*/
static guchar *help_strings[18] = {
(guchar *) "Draw",
(guchar *) "Move",
(guchar *) "Copy",
(guchar *) "Flip Horizontally",
(guchar *) "Flip Vertically",
(guchar *) "Shear ±45°",
(guchar *) "Rotate -90°",
(guchar *) "Rotate +90°",
(guchar *) "Rotate ±359°",
(guchar *) "Shift Up+Left",
(guchar *) "Shift Up",
(guchar *) "Shift Up+Right",
(guchar *) "Shift Left",
(guchar *) "Shift Right",
(guchar *) "Shift Down+Left",
(guchar *) "Shift Down",
(guchar *) "Shift Down+Right",
(guchar *) "Glyph Image",
};
/*
* Position all the buttons in the space provided.
*/
static void
gecontrol_position_buttons(GtkWidget *w)
{
GEControl *ge = GECONTROL(w);
gint x, y, sx, sy, ix, dx, i, v, wd, ht;
cairo_rectangle_int_t rect;
GtkAllocation all;
dx = 0;
/*
* Determine the starting x and y coordinates, centered in the
* window. Modify later to make room for the color strip on the left side
* of the window.
*/
gtk_widget_get_allocation(w, &all);
sx = (all.width >> 1) - (((GEC_TOGGLE_SIZE * 3) + 6) >> 1);
v = (GEC_TOGGLE_SIZE + (GEC_BUTTON_SIZE * 5)) + 15;
if (ge->gimage != 0) {
/*
* The addition of 7 includes a space of 3 between the glyph image and
* the row of toggles, and 2 pixels on the top and bottom of the glyph
* image for a box that will be drawn around it and a single pixel
* between the edge of the box and the actual glyph image.
*/
v += ge->gimage->height + 7;
/*
* Calculate a horizontal offset for the toggles and buttons in the
* case of 8 bits per pixel. The color selection square is 128x128 so
* everything else needs to move over to accomodate it.
*/
if (ge->gimage->bpp == 8 && sx < 128 + 8)
dx = (128 + 8) - sx;
}
sx += dx;
sy = (all.height >> 1) - (v >> 1);
/*
* Position the glyph image first if one is present.
*/
if (ge->gimage != 0) {
/*
* The addition of 2 is for the box and an empty row around the glyph
* image.
*/
ix = ((all.width >> 1)-((ge->gimage->width + 2) >> 1)) + dx;
if (ge->buttons[GEC_GLYPH_IMAGE].region == NULL) {
rect.x = ix;
rect.y = sy;
rect.width = ge->gimage->width + 4;
rect.height = ge->gimage->height + 4;
ge->buttons[GEC_GLYPH_IMAGE].region =
cairo_region_create_rectangle(&rect);
} else
cairo_region_translate(ge->buttons[GEC_GLYPH_IMAGE].region,
ix - ge->buttons[GEC_GLYPH_IMAGE].x,
sy - ge->buttons[GEC_GLYPH_IMAGE].y);
ge->gimage->x = ge->buttons[GEC_GLYPH_IMAGE].x = ix;
ge->gimage->y = ge->buttons[GEC_GLYPH_IMAGE].y = sy;
sy += ge->gimage->height + 7;
}
x = sx;
y = sy;
/*
* Prep the points for creating regions for the toggle buttons.
*/
rect.x = x;
rect.y = y;
rect.width = GEC_TOGGLE_SIZE;
rect.height = GEC_TOGGLE_SIZE;
/*
* Position the toggle buttons.
*/
for (i = 0; i < GEC_FLIPH_BUTTON; i++) {
if (ge->buttons[i].region == NULL)
ge->buttons[i].region =
cairo_region_create_rectangle(&rect);
else
cairo_region_translate(ge->buttons[i].region,
x - ge->buttons[i].x, y - ge->buttons[i].y);
ge->buttons[i].x = x;
ge->buttons[i].y = y;
x += GEC_TOGGLE_SIZE + 3;
rect.x += GEC_TOGGLE_SIZE + 3;
}
/*
* Recalculate the starting x position based on the button size instead
* of the toggle size.
*/
sx = ((all.width >> 1)-(((GEC_BUTTON_SIZE * 3) + 6) >> 1)) + dx;
y += GEC_TOGGLE_SIZE + 3;
/*
* Now set up the points for the buttons.
*/
rect.x = sx;
rect.y = y;
rect.width = GEC_BUTTON_SIZE;
rect.height = GEC_BUTTON_SIZE;
/*
* Position the first row of buttons.
*/
for (x = sx; i < GEC_RLEFT_BUTTON; i++) {
if (ge->buttons[i].region == NULL)
ge->buttons[i].region =
cairo_region_create_rectangle(&rect);
else
cairo_region_translate(ge->buttons[i].region,
x - ge->buttons[i].x, y - ge->buttons[i].y);
ge->buttons[i].x = x;
ge->buttons[i].y = y;
x += GEC_BUTTON_SIZE + 3;
rect.x += GEC_BUTTON_SIZE + 3;
}
/*
* Reset the x coordinate for the regions.
*/
rect.x = sx;
rect.y += GEC_BUTTON_SIZE + 3;
y += GEC_BUTTON_SIZE + 3;
/*
* Position second row of buttons.
*/
for (x = sx; i < GEC_ULEFT_BUTTON; i++) {
if (ge->buttons[i].region == NULL)
ge->buttons[i].region =
cairo_region_create_rectangle(&rect);
else
cairo_region_translate(ge->buttons[i].region,
x - ge->buttons[i].x, y - ge->buttons[i].y);
ge->buttons[i].x = x;
ge->buttons[i].y = y;
x += GEC_BUTTON_SIZE + 3;
rect.x += GEC_BUTTON_SIZE + 3;
}
/*
* Reset the x coordinate for the regions.
*/
rect.x = sx;
rect.y += GEC_BUTTON_SIZE + 3;
y += GEC_BUTTON_SIZE + 3;
/*
* Position third row of buttons.
*/
for (x = sx; i < GEC_LEFT_BUTTON; i++) {
if (ge->buttons[i].region == NULL)
ge->buttons[i].region =
cairo_region_create_rectangle(&rect);
else
cairo_region_translate(ge->buttons[i].region,
x - ge->buttons[i].x, y - ge->buttons[i].y);
ge->buttons[i].x = x;
ge->buttons[i].y = y;
x += GEC_BUTTON_SIZE + 3;
rect.x += GEC_BUTTON_SIZE + 3;
}
/*
* Reset the x coordinate for the regions.
*/
rect.x = sx;
rect.y += GEC_BUTTON_SIZE + 3;
x = sx;
y += GEC_BUTTON_SIZE + 3;
/*
* Set the coordinates of the LEFT and RIGHT buttons.
*/
if (ge->buttons[i].region == NULL)
ge->buttons[i].region =
cairo_region_create_rectangle(&rect);
else
cairo_region_translate(ge->buttons[i].region,
x - ge->buttons[i].x, y - ge->buttons[i].y);
ge->buttons[i].x = x;
ge->buttons[i++].y = y;
x += (GEC_BUTTON_SIZE + 3) * 2;
rect.x += (GEC_BUTTON_SIZE + 3) * 2;
if (ge->buttons[i].region == NULL)
ge->buttons[i].region =
cairo_region_create_rectangle(&rect);
else
cairo_region_translate(ge->buttons[i].region,
x - ge->buttons[i].x, y - ge->buttons[i].y);
ge->buttons[i].x = x;
ge->buttons[i++].y = y;
/*
* Reset the x coordinate for the regions.
*/
rect.x = sx;
rect.y += GEC_BUTTON_SIZE + 3;
y += GEC_BUTTON_SIZE + 3;
for (x = sx; i < GEC_GLYPH_IMAGE; i++) {
if (ge->buttons[i].region == NULL)
ge->buttons[i].region =
cairo_region_create_rectangle(&rect);
else
cairo_region_translate(ge->buttons[i].region,
x - ge->buttons[i].x, y - ge->buttons[i].y);
ge->buttons[i].x = x;
ge->buttons[i].y = y;
x += GEC_BUTTON_SIZE + 3;
rect.x += GEC_BUTTON_SIZE + 3;
}
/*
* Now position the color spots if they are needed.
*/
if (ge->gimage && ge->gimage->bpp > 1) {
if (ge->gimage->bpp == 2 || ge->gimage->bpp == 4) {
/*
* The starting horizontal position is 1/2 way between the left
* edge of the window and the left edge of the buttons. The
* starting vertical position is centered on the left edge of the
* buttons.
*/
sx = (sx >> 1) - (8 >> 1);
y = (8 * (1 << ge->gimage->bpp)) + ((1 << ge->gimage->bpp) - 1);
sy = ge->buttons[GEC_FLIPH_BUTTON].y +
((all.height-ge->buttons[GEC_FLIPH_BUTTON].y)>>1) -
(y >> 1);
wd = 8;
ht = 8 * (1 << ge->gimage->bpp);
} else {
sx = (sx >> 1) - (128 >> 1);
sy = ge->buttons[GEC_FLIPH_BUTTON].y +
((all.height-ge->buttons[GEC_FLIPH_BUTTON].y)>>1) -
(128 >> 1);
wd = ht = 128;
}
/*
* Initialize the points for the spot region.
*/
rect.x = sx;
rect.y = sy;
rect.width = wd;
rect.height = ht;
if (ge->spot_region == NULL)
ge->spot_region = cairo_region_create_rectangle(&rect);
else
cairo_region_translate(ge->spot_region,
sx - ge->spot.x, sy - ge->spot.y);
ge->spot.x = sx;
ge->spot.y = sy;
ge->spot.width = wd;
ge->spot.height = ht;
}
}
/**********************************************************************
*
* Initialization routines.
*
**********************************************************************/
static void
gecontrol_finalize(GObject *obj)
{
gint i;
GEControl *ge;
GEControlClass *gec;
g_return_if_fail(obj != 0);
g_return_if_fail(IS_GECONTROL(obj));
/*
* Destroy all the regions for the buttons.
*/
ge = GECONTROL(obj);
for (i = 0; i < 18; i++) {
if (ge->buttons[i].region != 0)
cairo_region_destroy(ge->buttons[i].region);
ge->buttons[i].region = 0;
}
/*
* Make sure the image is removed if it exists.
*/
if (ge->gimage != 0) {
if (ge->gimage->bytes > 0)
g_free(ge->gimage->bitmap);
g_free(ge->gimage);
ge->gimage = 0;
}
if (ge->glyph_surface) {
cairo_surface_destroy(ge->glyph_surface);
ge->glyph_surface = 0;
}
if (ge->spot_surface) {
cairo_surface_destroy(ge->spot_surface);
ge->spot_surface = 0;
}
gec = GECONTROL_GET_CLASS(obj);
/*
* Unreference all the pixbufs that were created.
*/
if (gec->draw != 0) {
g_object_unref(G_OBJECT(gec->draw));
g_object_unref(G_OBJECT(gec->move));
g_object_unref(G_OBJECT(gec->copy));
g_object_unref(G_OBJECT(gec->fliph));
g_object_unref(G_OBJECT(gec->flipv));
g_object_unref(G_OBJECT(gec->shear));
g_object_unref(G_OBJECT(gec->rleft));
g_object_unref(G_OBJECT(gec->rright));
g_object_unref(G_OBJECT(gec->rotate));
g_object_unref(G_OBJECT(gec->uleft));
g_object_unref(G_OBJECT(gec->up));
g_object_unref(G_OBJECT(gec->uright));
g_object_unref(G_OBJECT(gec->left));
g_object_unref(G_OBJECT(gec->right));
g_object_unref(G_OBJECT(gec->dleft));
g_object_unref(G_OBJECT(gec->down));
g_object_unref(G_OBJECT(gec->dright));
gec->draw = gec->move = gec->copy =
gec->fliph = gec->flipv = gec->shear =
gec->rleft = gec->rright = gec->rotate =
gec->uleft = gec->up = gec->uright =
gec->left = gec->right =
gec->dleft = gec->down = gec->dright = 0;
}
}
static void
gecontrol_preferred_size(GtkWidget *widget, GtkRequisition *preferred)
{
GEControl *gw = GECONTROL(widget);
gint ht;
preferred->width = 50 + (3 * (GEC_TOGGLE_SIZE + 4)) + 4;
preferred->height = (GEC_TOGGLE_SIZE + 6) + ((5 * GEC_BUTTON_SIZE) + 8);
if (gw->gimage != 0) {
/*
* The addition of 10 includes a box around the glyph, a line of empty
* pixels between the box and the glyph image, and a space of 3 pixels
* above and below the glyph image.
*/
preferred->height += gw->gimage->height + 10;
/*
* Determine the height of the color list. Each color spot is 8x8 and
* there is a buffer of two pixels on each side, and 2 pixels in
* between them vertically.
*/
if (gw->gimage->bpp == 2 || gw->gimage->bpp == 4) {
preferred->width += 8 + 4;
ht = 8 * (1 << gw->gimage->bpp);
preferred->height = MAX(preferred->height, ht);
} else if (gw->gimage->bpp == 8) {
/*
* For 8 bits per pixel, the square is 8x8 spots with 16 spots per
* row and 16 rows. This gives 64 + 4 pixels which includes the 2
* empties on each side.
*/
preferred->width += 128 + 4;
ht = 128 + 4;
preferred->height = MAX(preferred->height, ht);
}
}
}
static void
gecontrol_get_preferred_width(GtkWidget *widget, gint *minimal_width, gint *natural_width)
{
GtkRequisition requisition;
gecontrol_preferred_size(widget, &requisition);
*minimal_width = *natural_width = requisition.width;
}
static void
gecontrol_get_preferred_height(GtkWidget *widget, gint *minimal_height, gint *natural_height)
{
GtkRequisition requisition;
gecontrol_preferred_size(widget, &requisition);
*minimal_height = *natural_height = requisition.height;
}
static void
gecontrol_actual_size(GtkWidget *widget, GtkAllocation *actual)
{
gtk_widget_set_allocation(widget, actual);
gecontrol_position_buttons(widget);
if (gtk_widget_get_realized(widget))
gdk_window_move_resize(gtk_widget_get_window(widget), actual->x, actual->y,
actual->width, actual->height);
}
static void
gecontrol_button_normal(GEControl *ge, gint button)
{
gint v;
GtkWidget *w = GTK_WIDGET(ge);
GdkPoint points[4];
if (button == GEC_GLYPH_IMAGE)
return;
cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(w));
if (button < 3) {
gtk_paint_diamond(gtk_widget_get_style(w),
#if GTK_CHECK_VERSION(3, 0, 0)
cr,
#else
gtk_widget_get_window(w),
#endif
GTK_STATE_NORMAL,
GTK_SHADOW_OUT,
#if !GTK_CHECK_VERSION(3, 0, 0)
0,
#endif
GTK_WIDGET(ge), "gectrl",
ge->buttons[button].x, ge->buttons[button].y,
GEC_TOGGLE_SIZE, GEC_TOGGLE_SIZE);
points[0].x = ge->buttons[button].x + (GEC_TOGGLE_SIZE >> 1);
points[0].y = ge->buttons[button].y + 3;
points[1].x = ge->buttons[button].x + 3;
points[1].y = ge->buttons[button].y + (GEC_TOGGLE_SIZE >> 1);
points[2].x = points[0].x;
points[2].y = ge->buttons[button].y + GEC_TOGGLE_SIZE - 3;
points[3].x = ge->buttons[button].x + GEC_TOGGLE_SIZE - 3;
points[3].y = points[1].y;
cairo_new_path(cr);
cairo_move_to(cr, points[0].x, points[0].y);
cairo_line_to(cr, points[1].x, points[1].y);
cairo_line_to(cr, points[2].x, points[2].y);
cairo_line_to(cr, points[3].x, points[3].y);
cairo_close_path(cr);
#if GTK_CHECK_VERSION(3, 0, 0)
GtkStyleContext *context = gtk_widget_get_style_context(w);
GdkRGBA bg;
gtk_style_context_get_background_color(context, GTK_STATE_FLAG_NORMAL, &bg);
gdk_cairo_set_source_rgba(cr, &bg);
#else
GdkColor bg = gtk_widget_get_style(w)->bg[GTK_STATE_NORMAL];
gdk_cairo_set_source_color(cr, &bg);
#endif
cairo_fill(cr);
v = (GEC_TOGGLE_SIZE >> 1) - (BMAP_DIM >> 1);
} else {
gtk_paint_box(gtk_widget_get_style(w),
#if GTK_CHECK_VERSION(3, 0, 0)
cr,
#else
gtk_widget_get_window(w),
#endif
GTK_STATE_NORMAL,
GTK_SHADOW_OUT,
#if !GTK_CHECK_VERSION(3, 0, 0)
0,
#endif
GTK_WIDGET(ge), "gectrl",
ge->buttons[button].x, ge->buttons[button].y,
GEC_BUTTON_SIZE, GEC_BUTTON_SIZE);
v = (GEC_BUTTON_SIZE >> 1) - (BMAP_DIM >> 1);
}
gdk_cairo_set_source_pixbuf(cr, ge->buttons[button].image, ge->buttons[button].x + v, ge->buttons[button].y + v);
cairo_rectangle(cr, ge->buttons[button].x + v, ge->buttons[button].y + v, BMAP_DIM, BMAP_DIM);
cairo_fill(cr);
cairo_destroy(cr);
}
static void
gecontrol_button_prelight(GEControl *ge, gint button)
{
gint v;
GtkWidget *w = GTK_WIDGET(ge);
GdkPoint points[4];
if (button == GEC_GLYPH_IMAGE)
return;
cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(w));
if (button < 3) {
gtk_paint_diamond(gtk_widget_get_style(w),
#if GTK_CHECK_VERSION(3, 0, 0)
cr,
#else
gtk_widget_get_window(w),
#endif
GTK_STATE_PRELIGHT,
GTK_SHADOW_OUT,
#if !GTK_CHECK_VERSION(3, 0, 0)
0,
#endif
GTK_WIDGET(ge), "gectrl",
ge->buttons[button].x, ge->buttons[button].y,
GEC_TOGGLE_SIZE, GEC_TOGGLE_SIZE);
points[0].x = ge->buttons[button].x + (GEC_TOGGLE_SIZE >> 1);
points[0].y = ge->buttons[button].y + 3;
points[1].x = ge->buttons[button].x + 3;
points[1].y = ge->buttons[button].y + (GEC_TOGGLE_SIZE >> 1);
points[2].x = points[0].x;
points[2].y = ge->buttons[button].y + GEC_TOGGLE_SIZE - 3;
points[3].x = ge->buttons[button].x + GEC_TOGGLE_SIZE - 3;
points[3].y = points[1].y;
cairo_new_path(cr);
cairo_move_to(cr, points[0].x, points[0].y);
cairo_line_to(cr, points[1].x, points[1].y);
cairo_line_to(cr, points[2].x, points[2].y);
cairo_line_to(cr, points[3].x, points[3].y);
cairo_close_path(cr);
#if GTK_CHECK_VERSION(3, 0, 0)
GtkStyleContext *context = gtk_widget_get_style_context(w);
GdkRGBA bg;
gtk_style_context_get_background_color(context, GTK_STATE_FLAG_PRELIGHT, &bg);
gdk_cairo_set_source_rgba(cr, &bg);
#else
GdkColor bg = gtk_widget_get_style(w)->bg[GTK_STATE_PRELIGHT];
gdk_cairo_set_source_color(cr, &bg);
#endif
cairo_fill(cr);
v = (GEC_TOGGLE_SIZE >> 1) - (BMAP_DIM >> 1);
} else {
gtk_paint_box(gtk_widget_get_style(w),
#if GTK_CHECK_VERSION(3, 0, 0)
cr,
#else
gtk_widget_get_window(w),
#endif
GTK_STATE_PRELIGHT,
GTK_SHADOW_OUT,
#if !GTK_CHECK_VERSION(3, 0, 0)
0,
#endif
GTK_WIDGET(ge), "gectrl",
ge->buttons[button].x, ge->buttons[button].y,
GEC_BUTTON_SIZE, GEC_BUTTON_SIZE);
v = (GEC_BUTTON_SIZE >> 1) - (BMAP_DIM >> 1);
}
gdk_cairo_set_source_pixbuf(cr, ge->buttons[button].image, ge->buttons[button].x + v, ge->buttons[button].y + v);
cairo_rectangle(cr, ge->buttons[button].x + v, ge->buttons[button].y + v, BMAP_DIM, BMAP_DIM);
cairo_fill(cr);
cairo_destroy(cr);
}
static void
gecontrol_button_active(GEControl *ge, gint button)
{
gint v;
GtkWidget *w = GTK_WIDGET(ge);
GdkPoint points[4];
if (button == GEC_GLYPH_IMAGE)
return;
cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(w));
if (button < 3) {
gtk_paint_diamond(gtk_widget_get_style(w),
#if GTK_CHECK_VERSION(3, 0, 0)
cr,
#else
gtk_widget_get_window(w),
#endif
GTK_STATE_ACTIVE,
GTK_SHADOW_OUT,
#if !GTK_CHECK_VERSION(3, 0, 0)
0,
#endif
GTK_WIDGET(ge), "gectrl",
ge->buttons[button].x, ge->buttons[button].y,
GEC_TOGGLE_SIZE, GEC_TOGGLE_SIZE);
points[0].x = ge->buttons[button].x + (GEC_TOGGLE_SIZE >> 1);
points[0].y = ge->buttons[button].y + 3;
points[1].x = ge->buttons[button].x + 3;
points[1].y = ge->buttons[button].y + (GEC_TOGGLE_SIZE >> 1);
points[2].x = points[0].x;
points[2].y = ge->buttons[button].y + GEC_TOGGLE_SIZE - 3;
points[3].x = ge->buttons[button].x + GEC_TOGGLE_SIZE - 3;
points[3].y = points[1].y;
cairo_new_path(cr);
cairo_move_to(cr, points[0].x, points[0].y);
cairo_line_to(cr, points[1].x, points[1].y);
cairo_line_to(cr, points[2].x, points[2].y);
cairo_line_to(cr, points[3].x, points[3].y);
cairo_close_path(cr);
#if GTK_CHECK_VERSION(3, 0, 0)
GtkStyleContext *context = gtk_widget_get_style_context(w);
GdkRGBA bg;
gtk_style_context_get_background_color(context, GTK_STATE_FLAG_ACTIVE, &bg);
gdk_cairo_set_source_rgba(cr, &bg);
#else
GdkColor bg = gtk_widget_get_style(w)->bg[GTK_STATE_ACTIVE];
gdk_cairo_set_source_color(cr, &bg);
#endif
cairo_fill(cr);
v = (GEC_TOGGLE_SIZE >> 1) - (BMAP_DIM >> 1);
} else {
gtk_paint_box(gtk_widget_get_style(w),
#if GTK_CHECK_VERSION(3, 0, 0)
cr,
#else
gtk_widget_get_window(w),
#endif
GTK_STATE_ACTIVE,
GTK_SHADOW_IN,
#if !GTK_CHECK_VERSION(3, 0, 0)
0,
#endif
GTK_WIDGET(ge), "gectrl",
ge->buttons[button].x, ge->buttons[button].y,
GEC_BUTTON_SIZE, GEC_BUTTON_SIZE);
v = (GEC_BUTTON_SIZE >> 1) - (BMAP_DIM >> 1);
}
gdk_cairo_set_source_pixbuf(cr, ge->buttons[button].image, ge->buttons[button].x + v, ge->buttons[button].y + v);
cairo_rectangle(cr, ge->buttons[button].x + v, ge->buttons[button].y + v, BMAP_DIM, BMAP_DIM);
cairo_fill(cr);
cairo_destroy(cr);
}
#if 0
static void
gecontrol_get_image_pixels(GEControl *ge, gint color)
{
gint byte;
guint16 x, y, bpr, si, di, nx;
guchar *masks;
bdf_bitmap_t *im;
im = ge->gimage;
ge->points_used = 0;
di = 0;
masks = 0;
switch (im->bpp) {
case 1: masks = bdf_onebpp; di = 7; break;
case 2: masks = bdf_twobpp; di = 3; break;
case 4: masks = bdf_fourbpp; di = 1; break;
case 8: masks = bdf_eightbpp; di = 0; break;
}
bpr = ((im->width * im->bpp) + 7) >> 3;
for (y = 0; y < im->height; y++) {
for (nx = x = 0; x < im->width; x++, nx += im->bpp) {
si = (nx & 7) / im->bpp;
byte = im->bitmap[(y * bpr) + (nx >> 3)] & masks[si];
if (di > si)
byte >>= (di - si) * im->bpp;
if (byte == color) {
if (ge->points_used == ge->points_size) {
if (ge->points_size == 0)
ge->points =
(GdkPoint *) g_malloc(sizeof(GdkPoint) * 64);
else
ge->points = (GdkPoint *)
g_realloc(ge->points,
sizeof(GdkPoint) *
(ge->points_size + 64));;
ge->points_size += 64;
}
ge->points[ge->points_used].x = x + im->x + 2;
ge->points[ge->points_used].y = y + im->y + 2;
ge->points_used++;
}
}
}
}
#endif
static void
gecontrol_make_rgb_glyph(GEControl *ge)
{
GtkWidget *w = GTK_WIDGET(ge);
gint byte = 0;
guint16 x, y, bpr, rgb_bpr, si, di, nx;
guchar bg[4], pix[4], *masks;
bdf_bitmap_t *im;
/*
* First, get the background color of the widget for the empty
* pixels.
*/
bg[0] = (guchar) gtk_widget_get_style(w)->bg[gtk_widget_get_state(w)].red;
bg[1] = (guchar) gtk_widget_get_style(w)->bg[gtk_widget_get_state(w)].green;
bg[2] = (guchar) gtk_widget_get_style(w)->bg[gtk_widget_get_state(w)].blue;
im = ge->gimage;
di = 0;
masks = 0;
switch (im->bpp) {
case 1: masks = bdf_onebpp; di = 7; break;
case 2: masks = bdf_twobpp; di = 3; break;
case 4: masks = bdf_fourbpp; di = 1; break;
case 8: masks = bdf_eightbpp; di = 0; break;
}
if (ge->glyph_surface) {
cairo_surface_destroy(ge->glyph_surface);
}
ge->glyph_surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
im->width,
im->height);
guchar *data = cairo_image_surface_get_data(ge->glyph_surface);
bpr = ((im->width * im->bpp) + 7) >> 3;
rgb_bpr = cairo_image_surface_get_stride(ge->glyph_surface);
for (y = 0; y < im->height; y++) {
for (nx = x = 0; x < im->width; x++, nx += im->bpp) {
si = (nx & 7) / im->bpp;
byte = im->bitmap[(y * bpr) + (nx >> 3)] & masks[si];
if (di > si)
byte >>= (di - si) * im->bpp;
if (byte) {
switch (im->bpp) {
case 1: memset(pix, 0, 4); break;
case 2: memset(pix, ge->colors[byte-1], 4); break;
case 4: memset(pix, ge->colors[byte-1+4], 4); break;
case 8: memset(pix, byte-1, 4); break;
}
} else
memcpy(pix, bg, 4);
memcpy(&data[(y * rgb_bpr) + (x * 4)], pix, 4);
}
}
cairo_surface_mark_dirty(ge->glyph_surface);
}
static void
gecontrol_highlight_selected_spot(GEControl *ge)
{
GtkWidget *w = GTK_WIDGET(ge);
gint x, y;
if (!gtk_widget_get_realized(w) || ge->gimage == 0 || ge->gimage->bpp == 1)
return;
if (ge->gimage->bpp != 8) {
x = ge->spot.x;
y = ge->spot.y + (8 * ge->cidx);
} else {
x = ge->spot.x + ((ge->cidx % 16) * 8);
y = ge->spot.y + ((ge->cidx / 16) * 8);
}
cairo_t *cr = gdk_cairo_create(gtk_widget_get_window(w));
cairo_set_line_width(cr, 1.0);
#if GTK_CHECK_VERSION(3, 0, 0)
GtkStyleContext *context = gtk_widget_get_style_context(w);
GdkRGBA bg;
gtk_style_context_get_background_color(context, gtk_widget_get_state_flags(w), &bg);
gdk_cairo_set_source_rgba(cr, &bg);
#else
GdkColor bg = gtk_widget_get_style(w)->bg[gtk_widget_get_state(w)];
gdk_cairo_set_source_color(cr, &bg);
#endif
cairo_rectangle(cr, ge->spot.x, ge->spot.y, ge->spot.width, ge->spot.height);
cairo_stroke(cr);
cairo_fill(cr);
cairo_set_source_surface(cr, ge->spot_surface, ge->spot.x, ge->spot.y);
cairo_rectangle(cr, ge->spot.x, ge->spot.y,
ge->spot.width, ge->spot.height);
cairo_fill(cr);
cairo_set_source_rgb(cr, 1.0, 0.0, 0.0);
cairo_rectangle(cr, x + 0.5, y + 0.5, 7, 7);
cairo_stroke(cr);
cairo_destroy(cr);
}
static void
gecontrol_make_color_spots(GEControl *ge, gint bpp)
{
gint i, j, c, wd, ht;
if (bpp < 2 || bpp > 8)
return;
wd = ht = 0;
switch (bpp) {
case 2:
case 4:
wd = 8;
ht = 8 * (1 << bpp);
break;
case 8:
wd = ht = 128;
break;
}
if (ge->spot_surface) {
cairo_surface_destroy(ge->spot_surface);
}
ge->spot_surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
wd,
ht);
guchar *data = cairo_image_surface_get_data(ge->spot_surface);
/*
* Now create the color spots image.
*/
if (bpp != 8) {
for (i = 0; i < (1 << bpp); i++) {
if (bpp == 2)
memset(data + (i * 64 * 4), ge->colors[i], 64 * 4);
else
memset(data + (i * 64 * 4), ge->colors[i+4], 64 * 4);
}
} else {
for (c = i = 0; i < 128; i += 8) {
for (j = 0; j < 128; j += 8, c++)
memset(data + (i * 128 + j) * 4, c, 8 * 4);
memcpy(data + ((i + 1) * 128 * 4), data + (i * 128 * 4), 128 * 4);
memcpy(data + ((i + 2) * 128 * 4), data + (i * 128 * 4), 256 * 4);
memcpy(data + ((i + 4) * 128 * 4), data + (i * 128 * 4), 512 * 4);
}
}
cairo_surface_mark_dirty(ge->spot_surface);
}
static void
gecontrol_draw_glyph_image(GEControl *ge)
{
GtkWidget *w = GTK_WIDGET(ge);
if (ge->gimage == 0 || !gtk_widget_get_realized(w))