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Merge branch 'copilot/fix-dnd-draw-text-issues' of https://github.com/kovidgoyal/kitty

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Kovid Goyal
2026-05-05 11:39:50 +05:30
parent c690a3f3e8 313561d282
commit 787e4c25ae
1 changed files with 5 additions and 3 deletions
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8
kitty/freetype_render_ui_text.c
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@@ -189,9 +189,11 @@ static pixel
alpha_blend_premult(pixel over, pixel under) {
const uint16_t over_r = (over >> 16) & 0xff, over_g = (over >> 8) & 0xff, over_b = over & 0xff;
const uint16_t under_r = (under >> 16) & 0xff, under_g = (under >> 8) & 0xff, under_b = under & 0xff;
const uint16_t factor = 255 - ((over >> 24) & 0xff);
const uint16_t over_alpha = (over >> 24) & 0xff;
const uint16_t factor = 255 - over_alpha;
const uint16_t result_alpha = over_alpha + (uint16_t)(factor * ((under >> 24) & 0xff) / 255);
#define ans(x) (over_##x + (factor * under_##x) / 255)
return ARGB(under >> 24, ans(r), ans(g), ans(b));
return ARGB(result_alpha, ans(r), ans(g), ans(b));
#undef ans
}
@@ -316,7 +318,7 @@ render_run(RenderCtx *ctx, RenderState *rs) {
unsigned int limit = len;
for (unsigned int i = 0; i < len; i++) {
float delta = (float)positions[i].x_offset / 64.0f + (float)positions[i].x_advance / 64.0f;
if (pos + delta >= rs->output_width) {
if (pos + delta > rs->output_width) {
limit = i;
break;
}