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https://github.com/mickael-kerjean/filestash.git
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42 lines
969 B
Go
42 lines
969 B
Go
package plg_image_transcode
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import (
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. "github.com/mickael-kerjean/filestash/server/common"
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"github.com/srwiley/oksvg"
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"github.com/srwiley/rasterx"
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"image"
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"image/png"
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"io"
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)
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/*
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* This bit isn't used because the rendering is very poor and would
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* generate too many bug reports
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*/
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func transcodeSvg(reader io.Reader) (io.ReadCloser, string, error) {
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icon, err := oksvg.ReadIconStream(reader)
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if err != nil {
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return nil, "", err
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}
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icon.SetTarget(0, 0, icon.ViewBox.W, icon.ViewBox.H)
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width := int(icon.ViewBox.W)
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height := int(icon.ViewBox.H)
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img := image.NewRGBA(image.Rect(0, 0, width, height))
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icon.Draw(
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rasterx.NewDasher(
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width, height,
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rasterx.NewScannerGV(width, height, img, img.Bounds()),
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), 1,
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)
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r, w := io.Pipe()
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go func() {
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err := png.Encode(w, img)
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w.Close()
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if err != nil {
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Log.Debug("plg_image_transcode::svg png encoding error '%s'", err.Error())
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}
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}()
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return NewReadCloserFromReader(r), "image/png", nil
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}
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