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34 lines
1001 B
Go
34 lines
1001 B
Go
package processing
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import (
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"github.com/imgproxy/imgproxy/v3/imagedata"
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"github.com/imgproxy/imgproxy/v3/imagetype"
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"github.com/imgproxy/imgproxy/v3/imath"
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"github.com/imgproxy/imgproxy/v3/options"
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"github.com/imgproxy/imgproxy/v3/vips"
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log "github.com/sirupsen/logrus"
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)
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// https://chromium.googlesource.com/webm/libwebp/+/refs/heads/master/src/webp/encode.h#529
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const webpMaxDimension = 16383.0
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func fixWebpSize(pctx *pipelineContext, img *vips.Image, po *options.ProcessingOptions, imgdata *imagedata.ImageData) error {
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if po.Format != imagetype.WEBP {
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return nil
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}
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webpLimitShrink := float64(imath.Max(img.Width(), img.Height())) / webpMaxDimension
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if webpLimitShrink <= 1.0 {
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return nil
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}
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scale := 1.0 / webpLimitShrink
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if err := img.Resize(scale, scale); err != nil {
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return err
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}
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log.Warningf("WebP dimension size is limited to %d. The image is rescaled to %dx%d", int(webpMaxDimension), img.Width(), img.Height())
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return copyMemoryAndCheckTimeout(pctx.ctx, img)
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}
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