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Add premultiplied option to composite operation (#1835)

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This commit is contained in:
Andargor
2019-08-14 14:01:23 -04:00
committed by Lovell Fuller
parent 3fa91bb4ce
commit 4ae8999f62
10 changed files with 81 additions and 3 deletions
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3
src/pipeline.cc
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@@ -591,7 +591,7 @@ class PipelineWorker : public Nan::AsyncWorker {
if (!HasAlpha(compositeImage)) {
compositeImage = sharp::EnsureAlpha(compositeImage);
}
compositeImage = compositeImage.premultiply();
if (!composite->premultiplied) compositeImage = compositeImage.premultiply();
// Calculate position
int left;
int top;
@@ -1230,6 +1230,7 @@ NAN_METHOD(pipeline) {
composite->left = AttrTo<int32_t>(compositeObject, "left");
composite->top = AttrTo<int32_t>(compositeObject, "top");
composite->tile = AttrTo<bool>(compositeObject, "tile");
composite->premultiplied = AttrTo<bool>(compositeObject, "premultiplied");
baton->composite.push_back(composite);
}
// Resize options

4
src/pipeline.h
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@@ -41,6 +41,7 @@ struct Composite {
int left;
int top;
bool tile;
bool premultiplied;
Composite():
input(nullptr),
@@ -48,7 +49,8 @@ struct Composite {
gravity(0),
left(-1),
top(-1),
tile(false) {}
tile(false),
premultiplied(false) {}
};
struct PipelineBaton {