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Add trim option to provide a specific background colour (#3332)

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Co-authored-by: Mart Jansink <mart@cinemait.nl>
This commit is contained in:
Mart
2022-08-23 13:28:02 +02:00
committed by GitHub
parent 3a44748f49
commit c3a852eecf
14 changed files with 240 additions and 45 deletions
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3
src/pipeline.cc
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@@ -118,7 +118,7 @@ class PipelineWorker : public Napi::AsyncWorker {
// Trim
if (baton->trimThreshold > 0.0) {
MultiPageUnsupported(nPages, "Trim");
image = sharp::Trim(image, baton->trimThreshold);
image = sharp::Trim(image, baton->trimBackground, baton->trimThreshold);
baton->trimOffsetLeft = image.xoffset();
baton->trimOffsetTop = image.yoffset();
}
@@ -1451,6 +1451,7 @@ Napi::Value pipeline(const Napi::CallbackInfo& info) {
baton->sharpenY3 = sharp::AttrAsDouble(options, "sharpenY3");
baton->threshold = sharp::AttrAsInt32(options, "threshold");
baton->thresholdGrayscale = sharp::AttrAsBool(options, "thresholdGrayscale");
baton->trimBackground = sharp::AttrAsVectorOfDouble(options, "trimBackground");
baton->trimThreshold = sharp::AttrAsDouble(options, "trimThreshold");
baton->gamma = sharp::AttrAsDouble(options, "gamma");
baton->gammaOut = sharp::AttrAsDouble(options, "gammaOut");