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Expose optional precision parameter of blur operation (#4168)

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This commit is contained in:
Marcos Casagrande
2024-07-20 14:53:23 +02:00
committed by GitHub
parent 10c6f474d9
commit 67a4592756
10 changed files with 103 additions and 15 deletions
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5
src/operations.cc
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@@ -144,7 +144,7 @@ namespace sharp {
/*
* Gaussian blur. Use sigma of -1.0 for fast blur.
*/
VImage Blur(VImage image, double const sigma) {
VImage Blur(VImage image, double const sigma, VipsPrecision precision) {
if (sigma == -1.0) {
// Fast, mild blur - averages neighbouring pixels
VImage blur = VImage::new_matrixv(3, 3,
@@ -155,7 +155,8 @@ namespace sharp {
return image.conv(blur);
} else {
// Slower, accurate Gaussian blur
return StaySequential(image).gaussblur(sigma);
return StaySequential(image).gaussblur(sigma, VImage::option()
->set("precision", precision));
}
}