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Expand linear operation to allow use of per-channel arrays #3303

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This commit is contained in:
Anton Marsden
2022-07-23 21:33:44 +12:00
committed by Lovell Fuller
parent b9261c243c
commit 74e3f73934
10 changed files with 104 additions and 34 deletions
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6
src/pipeline.cc
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@@ -688,7 +688,7 @@ class PipelineWorker : public Napi::AsyncWorker {
}
// Linear adjustment (a * in + b)
if (baton->linearA != 1.0 || baton->linearB != 0.0) {
if (!baton->linearA.empty()) {
image = sharp::Linear(image, baton->linearA, baton->linearB);
}
@@ -1454,8 +1454,8 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
baton->trimThreshold = sharp::AttrAsDouble(options, "trimThreshold");
baton->gamma = sharp::AttrAsDouble(options, "gamma");
baton->gammaOut = sharp::AttrAsDouble(options, "gammaOut");
baton->linearA = sharp::AttrAsDouble(options, "linearA");
baton->linearB = sharp::AttrAsDouble(options, "linearB");
baton->linearA = sharp::AttrAsVectorOfDouble(options, "linearA");
baton->linearB = sharp::AttrAsVectorOfDouble(options, "linearB");
baton->greyscale = sharp::AttrAsBool(options, "greyscale");
baton->normalise = sharp::AttrAsBool(options, "normalise");
baton->claheWidth = sharp::AttrAsUint32(options, "claheWidth");