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// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>
package images
import (
"fmt"
"image"
"image/gif"
"image/jpeg"
"image/png"
"io"
"golang.org/x/image/bmp"
"golang.org/x/image/tiff"
_ "golang.org/x/image/webp"
)
var _ = fmt.Print
var DecodableImageTypes = map[string]bool{
"image/jpeg": true, "image/png": true, "image/bmp": true, "image/tiff": true, "image/webp": true, "image/gif": true,
}
var EncodableImageTypes = map[string]bool{
"image/jpeg": true, "image/png": true, "image/bmp": true, "image/tiff": true, "image/gif": true,
}
func Encode(output io.Writer, img image.Image, format_mime string) (err error) {
switch format_mime {
case "image/png":
return png.Encode(output, img)
case "image/jpeg":
return jpeg.Encode(output, img, nil)
case "image/bmp":
return bmp.Encode(output, img)
case "image/gif":
return gif.Encode(output, img, nil)
case "image/tiff":
return tiff.Encode(output, img, nil)
}
err = fmt.Errorf("Unsupported output image MIME type %s", format_mime)
return
}
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