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update

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This commit is contained in:
Kyle Yasuda
2025-11-30 12:25:38 -08:00
parent 21d6320cc1
commit 099d5e8ba6
2 changed files with 20 additions and 5 deletions
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21
projects/go/change-wallpaper/change-wallpaper.go
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@@ -272,11 +272,26 @@ func ensureSized(wallpaperPath string) (string, error) {
return "", err
}
if src.Bounds().Dx() == targetWidth && src.Bounds().Dy() == targetHeight {
srcWidth := float64(src.Bounds().Dx())
srcHeight := float64(src.Bounds().Dy())
targetW := float64(targetWidth)
targetH := float64(targetHeight)
// Calculate scale factor to fit image within target while maintaining aspect ratio
scaleW := targetW / srcWidth
scaleH := targetH / srcHeight
scale := min(scaleW, scaleH)
// If image already fits within target dimensions, no resize needed
if scale >= 1.0 {
return wallpaperPath, nil
}
dst := image.NewRGBA(image.Rect(0, 0, targetWidth, targetHeight))
// Calculate new dimensions maintaining aspect ratio (best fit)
newWidth := int(srcWidth * scale)
newHeight := int(srcHeight * scale)
dst := image.NewRGBA(image.Rect(0, 0, newWidth, newHeight))
draw.CatmullRom.Scale(dst, dst.Bounds(), src, src.Bounds(), draw.Over, nil)
var ext string
@@ -295,7 +310,7 @@ func ensureSized(wallpaperPath string) (string, error) {
}
base := strings.TrimSuffix(filepath.Base(wallpaperPath), filepath.Ext(wallpaperPath))
resizedPath := filepath.Join(filepath.Dir(wallpaperPath), fmt.Sprintf("%s-%dx%d%s", base, targetWidth, targetHeight, ext))
resizedPath := filepath.Join(filepath.Dir(wallpaperPath), fmt.Sprintf("%s-%dx%d%s", base, newWidth, newHeight, ext))
outFile, err := os.Create(resizedPath)
if err != nil {