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Add most dominant colour to image stats #640

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Lovell Fuller
2020-07-15 19:58:54 +01:00
parent dcc42f8514
commit c42de19d2a
10 changed files with 130 additions and 36 deletions
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23
src/operations.cc
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@@ -27,29 +27,6 @@ using vips::VImage;
using vips::VError;
namespace sharp {
/*
Removes alpha channel, if any.
*/
VImage RemoveAlpha(VImage image) {
if (HasAlpha(image)) {
image = image.extract_band(0, VImage::option()->set("n", image.bands() - 1));
}
return image;
}
/*
Ensures alpha channel, if missing.
*/
VImage EnsureAlpha(VImage image) {
if (!HasAlpha(image)) {
std::vector<double> alpha;
alpha.push_back(sharp::MaximumImageAlpha(image.interpretation()));
image = image.bandjoin_const(alpha);
}
return image;
}
/*
* Tint an image using the specified chroma, preserving the original image luminance
*/