26 lines
489 B
Go
26 lines
489 B
Go
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// +build js,wasm
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package wasm
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import (
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"bytes"
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"encoding/base64"
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"image"
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"image/png"
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)
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// StoreBitmap stores a bitmap image to sessionStorage as a data URL for PNG
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// base64 encoded image.
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func StoreBitmap(filename string, img image.Image) error {
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var fh = bytes.NewBuffer([]byte{})
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if err := png.Encode(fh, img); err != nil {
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return err
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}
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var dataURI = "data:image/png;base64," + base64.StdEncoding.EncodeToString(fh.Bytes())
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SetSession(filename, dataURI)
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return nil
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}
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