41 lines
859 B
Go
41 lines
859 B
Go
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package main
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import (
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"bytes"
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"fmt"
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"image"
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"image/png"
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"github.com/srwiley/oksvg"
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"github.com/srwiley/rasterx"
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)
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func SVGToPNG(svgData []byte) ([]byte, error) {
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// Parse SVG
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icon, err := oksvg.ReadIconStream(bytes.NewReader(svgData))
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if err != nil {
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return nil, fmt.Errorf("failed to parse SVG: %w", err)
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}
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w := int(icon.ViewBox.W)
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h := int(icon.ViewBox.H)
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if w == 0 || h == 0 {
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w, h = 100, 100
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}
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// Rasterize into an RGBA image
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rgba := image.NewRGBA(image.Rect(0, 0, w, h))
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scanner := rasterx.NewScannerGV(w, h, rgba, rgba.Bounds())
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dasher := rasterx.NewDasher(w, h, scanner)
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icon.SetTarget(0, 0, float64(w), float64(h))
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icon.Draw(dasher, 1.0)
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// Encode to PNG bytes
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var buf bytes.Buffer
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if err := png.Encode(&buf, rgba); err != nil {
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return nil, fmt.Errorf("failed to encode PNG: %w", err)
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}
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return buf.Bytes(), nil
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}
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