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Ensure modulate can co-exist with other colour ops #1958

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Lovell Fuller
2019-11-11 22:16:28 +00:00
parent ff98d2e44a
commit 833aaead56
4 changed files with 30 additions and 2 deletions
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12
src/operations.cc
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@@ -191,12 +191,20 @@ namespace sharp {
VImage alpha = image[image.bands() - 1];
return RemoveAlpha(image)
.colourspace(VIPS_INTERPRETATION_LCH)
.linear({brightness, saturation, 1}, {0, 0, static_cast<double>(hue)})
.linear(
{ brightness, saturation, 1},
{ 0.0, 0.0, static_cast<double>(hue) }
)
.colourspace(VIPS_INTERPRETATION_sRGB)
.bandjoin(alpha);
} else {
return image
.colourspace(VIPS_INTERPRETATION_LCH)
.linear({brightness, saturation, 1}, {0, 0, static_cast<double>(hue)});
.linear(
{ brightness, saturation, 1 },
{ 0.0, 0.0, static_cast<double>(hue) }
)
.colourspace(VIPS_INTERPRETATION_sRGB);
}
}