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imgproxy/processing/rotate_and_flip.go
2023-01-04 00:23:06 +03:00

30 lines
598 B
Go

package processing
import (
"github.com/imgproxy/imgproxy/v3/imagedata"
"github.com/imgproxy/imgproxy/v3/options"
"github.com/imgproxy/imgproxy/v3/vips"
)
func rotateAndFlip(pctx *pipelineContext, img *vips.Image, po *options.ProcessingOptions, imgdata *imagedata.ImageData) error {
if pctx.angle%360 == 0 && po.Rotate%360 == 0 && !pctx.flip {
return nil
}
if err := img.CopyMemory(); err != nil {
return err
}
if err := img.Rotate(pctx.angle); err != nil {
return err
}
if pctx.flip {
if err := img.Flip(); err != nil {
return err
}
}
return img.Rotate(po.Rotate)
}