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Add brightness, saturation and hue modulation #609 (#1601)

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This commit is contained in:
Jakub Michálek
2019-03-25 08:44:07 +01:00
committed by Lovell Fuller
parent 18afcf5f90
commit b494b2e872
28 changed files with 257 additions and 1 deletions
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8
src/pipeline.cc
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@@ -349,6 +349,7 @@ class PipelineWorker : public Nan::AsyncWorker {
bool const shouldSharpen = baton->sharpenSigma != 0.0;
bool const shouldApplyMedian = baton->medianSize > 0;
bool const shouldComposite = !baton->composite.empty();
bool const shouldModulate = baton->brightness != 1.0 || baton->saturation != 1.0 || baton->hue != 0.0;
if (shouldComposite && !HasAlpha(image)) {
image = sharp::EnsureAlpha(image);
@@ -528,6 +529,10 @@ class PipelineWorker : public Nan::AsyncWorker {
image = sharp::Recomb(image, baton->recombMatrix);
}
if (shouldModulate) {
image = sharp::Modulate(image, baton->brightness, baton->saturation, baton->hue);
}
// Sharpen
if (shouldSharpen) {
image = sharp::Sharpen(image, baton->sharpenSigma, baton->sharpenFlat, baton->sharpenJagged);
@@ -1210,6 +1215,9 @@ NAN_METHOD(pipeline) {
baton->flattenBackground = AttrAsRgba(options, "flattenBackground");
baton->negate = AttrTo<bool>(options, "negate");
baton->blurSigma = AttrTo<double>(options, "blurSigma");
baton->brightness = AttrTo<double>(options, "brightness");
baton->saturation = AttrTo<double>(options, "saturation");
baton->hue = AttrTo<int32_t>(options, "hue");
baton->medianSize = AttrTo<uint32_t>(options, "medianSize");
baton->sharpenSigma = AttrTo<double>(options, "sharpenSigma");
baton->sharpenFlat = AttrTo<double>(options, "sharpenFlat");