From: Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Date: Fri, 2 Jan 2026 15:22:25 +0000 (+0100)
Subject: Fix alpha/fuzzy border issue with new webp decoder for images with with transparent... 
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e9b9b36f46ccc6250ffa72188c8a5c52f96b119e;p=brevno-suite%2Fhugo

Fix alpha/fuzzy border issue with new webp decoder for images with with transparent background

Fixes #14339
---

diff --git a/internal/warpc/webp.go b/internal/warpc/webp.go
index ea8340922..bc5d9973a 100644
--- a/internal/warpc/webp.go
+++ b/internal/warpc/webp.go
@@ -142,7 +142,7 @@ func (d *WebpCodec) Decode(r io.Reader) (image.Image, error) {
 		frames := make([]image.Image, len(destination.Bytes())/frameSize)
 		for i := 0; i < len(frames); i++ {
 			frameBytes := destination.Bytes()[i*frameSize : (i+1)*frameSize]
-			frameImg := &image.RGBA{
+			frameImg := &image.NRGBA{
 				Pix:    frameBytes,
 				Stride: stride,
 				Rect:   image.Rect(0, 0, w, h),
@@ -153,7 +153,7 @@ func (d *WebpCodec) Decode(r io.Reader) (image.Image, error) {
 		return img, nil
 	}
 
-	img := &image.RGBA{
+	img := &image.NRGBA{
 		Pix:    destination.Bytes(),
 		Stride: stride,
 		Rect:   image.Rect(0, 0, w, h),
diff --git a/resources/images/images_golden_integration_test.go b/resources/images/images_golden_integration_test.go
index a3976d567..6b6b41e41 100644
--- a/resources/images/images_golden_integration_test.go
+++ b/resources/images/images_golden_integration_test.go
@@ -372,7 +372,7 @@ sourcefilename: ../testdata/giphy.gif
 sourcefilename: ../testdata/sunset.jpg
 -- layouts/home.html --
 Home.
-{{ $fuzzyCircle := resources.Get "fuzzycircle.png" }}
+{{ $fuzzyCircle := resources.Get "fuzzycircle.webp" }}
 {{ $highContrast := resources.Get "highcontrast.webp" }}
 {{ $sunset := resources.Get "sunset.jpg" }}
 {{ $sunsetGrayscale := $sunset.Filter (images.Grayscale) }}
diff --git a/resources/images/testdata/images_golden/process/webp/crop-300x300-smart-ff9999.png b/resources/images/testdata/images_golden/process/webp/crop-300x300-smart-ff9999.png
deleted file mode 100644
index 32c1121b3..000000000
Binary files a/resources/images/testdata/images_golden/process/webp/crop-300x300-smart-ff9999.png and /dev/null differ
diff --git a/resources/images/testdata/images_golden/process/webp/crop-300x300-smart-ff9999.webp b/resources/images/testdata/images_golden/process/webp/crop-300x300-smart-ff9999.webp
new file mode 100644
index 000000000..2973b2e2d
Binary files /dev/null and b/resources/images/testdata/images_golden/process/webp/crop-300x300-smart-ff9999.webp differ
diff --git a/resources/images/testdata/images_golden/process/webp/crop-300x300-smart.png b/resources/images/testdata/images_golden/process/webp/crop-300x300-smart.png
deleted file mode 100644
index 95497d822..000000000
Binary files a/resources/images/testdata/images_golden/process/webp/crop-300x300-smart.png and /dev/null differ
diff --git a/resources/images/testdata/images_golden/process/webp/crop-300x300-smart.webp b/resources/images/testdata/images_golden/process/webp/crop-300x300-smart.webp
new file mode 100644
index 000000000..0627f350d
Binary files /dev/null and b/resources/images/testdata/images_golden/process/webp/crop-300x300-smart.webp differ