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imgproxy/processing/scale.go
2022-06-23 17:23:04 +06:00

23 lines
550 B
Go

package processing
import (
"github.com/imgproxy/imgproxy/v3/imagedata"
"github.com/imgproxy/imgproxy/v3/options"
"github.com/imgproxy/imgproxy/v3/vips"
)
func scale(pctx *pipelineContext, img *vips.Image, po *options.ProcessingOptions, imgdata *imagedata.ImageData) error {
if pctx.wscale != 1 || pctx.hscale != 1 {
wscale, hscale := pctx.wscale, pctx.hscale
if (pctx.angle+po.Rotate)%180 == 90 {
wscale, hscale = hscale, wscale
}
if err := img.Resize(wscale, hscale); err != nil {
return err
}
}
return img.CopyMemory()
}