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Prevent upsampling via libwebp (#3267)

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This commit is contained in:
Blayne Chard
2022-06-20 21:49:53 +12:00
committed by GitHub
parent 4662527a17
commit a333b87f5d
2 changed files with 18 additions and 2 deletions
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6
src/pipeline.cc
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@@ -188,8 +188,10 @@ class PipelineWorker : public Napi::AsyncWorker {
if (jpegShrinkOnLoad > 1 && static_cast<int>(shrink) == jpegShrinkOnLoad) {
jpegShrinkOnLoad /= 2;
}
} else if (inputImageType == sharp::ImageType::WEBP ||
inputImageType == sharp::ImageType::SVG ||
} else if (inputImageType == sharp::ImageType::WEBP && shrink > 1.0) {
// Avoid upscaling via webp
scale = 1.0 / shrink;
} else if (inputImageType == sharp::ImageType::SVG ||
inputImageType == sharp::ImageType::PDF) {
scale = 1.0 / shrink;
}