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Implement "divide" blend-mode

This commit is contained in:
Elias Batek 2024-05-25 01:58:36 +02:00
parent 9a4f8467f8
commit ca6dd1bb90
1 changed files with 13 additions and 0 deletions
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13
pixmappaint.d
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@ -463,6 +463,8 @@ enum BlendMode {
darken, darken,
lighten, lighten,
divide,
} }
/// ///
@ -533,6 +535,17 @@ void blendPixel(BlendMode mode, BlendAccuracy accuracy = BlendAccuracy.rgba)(
)(target, source); )(target, source);
} }
/// ditto
void blendPixel(BlendMode mode, BlendAccuracy accuracy = BlendAccuracy.rgba)(
ref Pixel target,
const Pixel source,
) if (mode == Blend.divide) {
return alphaBlend!(accuracy,
(b, f) => (f == 0) ? ubyte(0xFF) : clamp255(0xFF * b / f)
)(target, source);
}
/++ /++
Blends the pixel data of `source` into `target`. Blends the pixel data of `source` into `target`.