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LibGfx: Don't write blended pixel if the alpha is zero

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MacDue 2022-11-28 22:26:46 +00:00 committed by Linus Groh
parent e575339564
commit 0e65de2e11
Notes: sideshowbarker 2024-07-17 03:58:31 +09:00 
Author: https://github.com/MacDue
Commit: https://github.com/SerenityOS/serenity/commit/0e65de2e11
Pull-request: https://github.com/SerenityOS/serenity/pull/16243
1 changed files with 2 additions and 3 deletions
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5
Userland/Libraries/LibGfx/Painter.cpp
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@ -1833,11 +1833,10 @@ void Painter::set_pixel(IntPoint const& p, Color color, bool blend)
if (!clip_rect().contains(point / scale()))
return;
auto& dst = m_target->scanline(point.y())[point.x()];
if (!blend) {
if (!blend)
dst = color.value();
} else {
else if (color.alpha())
dst = Color::from_argb(dst).blend(color).value();
}
}
Optional<Color> Painter::get_pixel(IntPoint const& p)