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Improve tint luminance with weighting function (#3859)

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Co-authored-by: John Cupitt <jcupitt@gmail.com>
This commit is contained in:
Lovell Fuller
2023-11-19 13:19:34 +00:00
committed by GitHub
parent 139e4b9f65
commit 3f7313d031
17 changed files with 70 additions and 55 deletions
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7
src/pipeline.cc
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@@ -736,8 +736,8 @@ class PipelineWorker : public Napi::AsyncWorker {
}
// Tint the image
if (baton->tintA < 128.0 || baton->tintB < 128.0) {
image = sharp::Tint(image, baton->tintA, baton->tintB);
if (baton->tint[0] >= 0.0) {
image = sharp::Tint(image, baton->tint);
}
// Remove alpha channel, if any
@@ -1527,8 +1527,7 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
baton->normalise = sharp::AttrAsBool(options, "normalise");
baton->normaliseLower = sharp::AttrAsUint32(options, "normaliseLower");
baton->normaliseUpper = sharp::AttrAsUint32(options, "normaliseUpper");
baton->tintA = sharp::AttrAsDouble(options, "tintA");
baton->tintB = sharp::AttrAsDouble(options, "tintB");
baton->tint = sharp::AttrAsVectorOfDouble(options, "tint");
baton->claheWidth = sharp::AttrAsUint32(options, "claheWidth");
baton->claheHeight = sharp::AttrAsUint32(options, "claheHeight");
baton->claheMaxSlope = sharp::AttrAsUint32(options, "claheMaxSlope");