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Add tint operation to set image chroma

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This commit is contained in:
Rik Heywood
2018-04-11 20:05:48 +01:00
committed by Lovell Fuller
parent bdac5b5807
commit dbac4b9a63
15 changed files with 172 additions and 23 deletions
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8
src/pipeline.cc
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@@ -682,6 +682,11 @@ class PipelineWorker : public Nan::AsyncWorker {
image = sharp::Bandbool(image, baton->bandBoolOp);
}
// Tint the image
if (baton->tintA > 0 || baton->tintB > 0) {
image = sharp::Tint(image, baton->tintA, baton->tintB);
}
// Extract an image channel (aka vips band)
if (baton->extractChannel > -1) {
if (baton->extractChannel >= image.bands()) {
@@ -1167,6 +1172,9 @@ NAN_METHOD(pipeline) {
for (unsigned int i = 0; i < 4; i++) {
baton->background[i] = AttrTo<double>(background, i);
}
// Tint chroma
baton->tintA = AttrTo<double>(options, "tintA");
baton->tintB = AttrTo<double>(options, "tintB");
// Overlay options
if (HasAttr(options, "overlay")) {
baton->overlay = CreateInputDescriptor(AttrAs<v8::Object>(options, "overlay"), buffersToPersist);