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Fix the extend processing option when only one dimension is set

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This commit is contained in:
DarthSim
2025-06-04 20:20:20 +03:00
parent 08150dcc16
commit dccfe80349
2 changed files with 26 additions and 9 deletions
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34
processing/extend.go
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@@ -8,22 +8,38 @@ import (
)
func extendImage(img *vips.Image, resultWidth, resultHeight int, opts *options.ExtendOptions, offsetScale float64, extendAr bool) error {
if !opts.Enabled || (resultWidth <= img.Width() && resultHeight <= img.Height()) || resultWidth == 0 || resultHeight == 0 {
imgWidth := img.Width()
imgHeight := img.Height()
if !opts.Enabled || (resultWidth <= imgWidth && resultHeight <= imgHeight) {
return nil
}
if extendAr && resultWidth > img.Width() && resultHeight > img.Height() {
diffW := float64(resultWidth) / float64(img.Width())
diffH := float64(resultHeight) / float64(img.Height())
if resultWidth <= 0 {
if extendAr {
return nil
}
resultWidth = imgWidth
}
if resultHeight <= 0 {
if extendAr {
return nil
}
resultHeight = imgHeight
}
if extendAr && resultWidth > imgWidth && resultHeight > imgHeight {
diffW := float64(resultWidth) / float64(imgWidth)
diffH := float64(resultHeight) / float64(imgHeight)
switch {
case diffH > diffW:
resultHeight = imath.Scale(img.Width(), float64(resultHeight)/float64(resultWidth))
resultWidth = img.Width()
resultHeight = imath.Scale(imgWidth, float64(resultHeight)/float64(resultWidth))
resultWidth = imgWidth
case diffW > diffH:
resultWidth = imath.Scale(img.Height(), float64(resultWidth)/float64(resultHeight))
resultHeight = img.Height()
resultWidth = imath.Scale(imgHeight, float64(resultWidth)/float64(resultHeight))
resultHeight = imgHeight
default:
// The image has the requested arpect ratio
@@ -31,7 +47,7 @@ func extendImage(img *vips.Image, resultWidth, resultHeight int, opts *options.E
}
}
offX, offY := calcPosition(resultWidth, resultHeight, img.Width(), img.Height(), &opts.Gravity, offsetScale, false)
offX, offY := calcPosition(resultWidth, resultHeight, imgWidth, imgHeight, &opts.Gravity, offsetScale, false)
return img.Embed(resultWidth, resultHeight, offX, offY)
}