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Fix scale recalculation after scale-on-load

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DarthSim
2021-11-01 19:45:45 +06:00
parent b98919ead4
commit a3f6fe6d39
2 changed files with 3 additions and 2 deletions
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1
CHANGELOG.md
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@ -12,6 +12,7 @@
### Fix ### Fix
- Fix Client Hints behavior. `Width` is physical size, so we should divide it by `DPR` value. - Fix Client Hints behavior. `Width` is physical size, so we should divide it by `DPR` value.
- Fix scale-on-load in some rare cases.
## [3.0.0.beta1] - 2021-10-01 ## [3.0.0.beta1] - 2021-10-01
### Added ### Added

4
processing/scale_on_load.go
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@ -59,12 +59,12 @@ func scaleOnLoad(pctx *pipelineContext, img *vips.Image, po *options.ProcessingO
newWidth, newHeight, _, _ := extractMeta(img, po.Rotate, po.AutoRotate) newWidth, newHeight, _, _ := extractMeta(img, po.Rotate, po.AutoRotate)
pctx.wscale = float64(pctx.srcWidth) * pctx.wscale / float64(newWidth) pctx.wscale = float64(pctx.srcWidth) * pctx.wscale / float64(newWidth)
if pctx.srcWidth == imath.Scale(pctx.srcWidth, pctx.wscale) { if newWidth == imath.Scale(newWidth, pctx.wscale) {
pctx.wscale = 1.0 pctx.wscale = 1.0
} }
pctx.hscale = float64(pctx.srcHeight) * pctx.hscale / float64(newHeight) pctx.hscale = float64(pctx.srcHeight) * pctx.hscale / float64(newHeight)
if pctx.srcHeight == imath.Scale(pctx.srcHeight, pctx.hscale) { if newHeight == imath.Scale(newHeight, pctx.hscale) {
pctx.hscale = 1.0 pctx.hscale = 1.0
} }