Refactor plutovg-path.c

source/plutovg-path.c

@@ -118,8 +118,6 @@ void plutovg_path_quad_to(plutovg_path_t* path, float x1, float y1, float x2, fl
 {
     float current_x, current_y;
     plutovg_path_get_current_point(path, &current_x, &current_y);
-    if(path->elements.size == 0)
-        plutovg_path_move_to(path, 0, 0);
     float cx = 2.f / 3.f * x1 + 1.f / 3.f * current_x;
     float cy = 2.f / 3.f * y1 + 1.f / 3.f * current_y;
     float cx1 = 2.f / 3.f * x1 + 1.f / 3.f * x2;
@@ -145,8 +143,6 @@ void plutovg_path_arc_to(plutovg_path_t* path, float rx, float ry, float angle,
 {
     float current_x, current_y;
     plutovg_path_get_current_point(path, &current_x, &current_y);
-    if(path->elements.size == 0)
-        plutovg_path_move_to(path, 0, 0);
     if(rx == 0.f || ry == 0.f || (current_x == x && current_y == y)) {
         plutovg_path_line_to(path, x, y);
         return;
@@ -215,19 +211,19 @@ void plutovg_path_arc_to(plutovg_path_t* path, float rx, float ry, float angle,
         float x3 = cosf(th_end) + cx1;
         float y3 = sinf(th_end) + cy1;
 
-        float x2 = x3 + t * sinf(th_end);
-        float y2 = y3 - t * cosf(th_end);
+        float cp2x = x3 + t * sinf(th_end);
+        float cp2y = y3 - t * cosf(th_end);
 
-        float x1 = cosf(th_start) - t * sinf(th_start);
-        float y1 = sinf(th_start) + t * cosf(th_start);
+        float cp1x = cosf(th_start) - t * sinf(th_start);
+        float cp1y = sinf(th_start) + t * cosf(th_start);
 
-        x1 += cx1;
-        y1 += cy1;
+        cp1x += cx1;
+        cp1y += cy1;
 
-        plutovg_matrix_map(&matrix, x1, y1, &x1, &y1);
-        plutovg_matrix_map(&matrix, x2, y2, &x2, &y2);
+        plutovg_matrix_map(&matrix, cp1x, cp1y, &cp1x, &cp1y);
+        plutovg_matrix_map(&matrix, cp2x, cp2y, &cp2x, &cp2y);
         plutovg_matrix_map(&matrix, x3, y3, &x3, &y3);
-        plutovg_path_cubic_to(path, x1, y1, x2, y2, x3, y3);
+        plutovg_path_cubic_to(path, cp1x, cp1y, cp2x, cp2y, x3, y3);
     }
 }