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text: adhere to context clipping when painting paths

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This commit is contained in:
K. Lange 2023-03-30 17:12:44 +09:00
parent c7ea083320
commit f9b76c20d1
1 changed files with 7 additions and 0 deletions
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7
lib/text.c
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@ -217,6 +217,12 @@ static void paint_scanline(gfx_context_t * ctx, int y, const struct TT_Shape * s
}
}
static inline int _is_in_clip(gfx_context_t * ctx, int32_t y) {
if (!ctx->clips) return 1;
if (y < 0 || y >= ctx->clips_size) return 1;
return ctx->clips[y];
}
void tt_path_paint(gfx_context_t * ctx, const struct TT_Shape * shape, uint32_t color) {
size_t size = shape->edgeCount;
struct TT_Intersection * crosses = malloc(sizeof(struct TT_Intersection) * size);
@ -229,6 +235,7 @@ void tt_path_paint(gfx_context_t * ctx, const struct TT_Shape * shape, uint32_t
int endY = shape->lastY <= ctx->height ? shape->lastY : ctx->height;
for (int y = startY; y < endY; ++y) {
if (!_is_in_clip(ctx,y)) continue;
float _y = y + 0.0001;
for (int l = 0; l < 4; ++l) {
size_t cnt;