mirror of
https://github.com/coalaura/ffwebp.git
synced 2025-09-08 05:49:54 +00:00
60 lines
976 B
Go
60 lines
976 B
Go
package qoi
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import (
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"bytes"
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"image"
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"io"
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"github.com/kriticalflare/qoi"
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"github.com/coalaura/ffwebp/internal/codec"
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"github.com/coalaura/ffwebp/internal/opts"
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"github.com/urfave/cli/v3"
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)
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func init() {
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codec.Register(impl{})
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}
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type impl struct{}
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func (impl) String() string {
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return "qoi"
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}
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func (impl) Extensions() []string {
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return []string{"qoi"}
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}
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func (impl) CanEncode() bool {
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return true
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}
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func (impl) Flags(flags []cli.Flag) []cli.Flag {
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return flags
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}
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func (impl) Sniff(reader io.ReaderAt) (int, []byte, error) {
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magic := []byte{'q', 'o', 'i', 'f'}
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buf := make([]byte, 4)
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if _, err := reader.ReadAt(buf, 0); err != nil {
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return 0, nil, err
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}
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if bytes.Equal(buf, magic) {
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return 100, magic, nil
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}
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return 0, nil, nil
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}
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func (impl) Decode(reader io.Reader) (image.Image, error) {
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return qoi.ImageDecode(reader)
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}
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func (impl) Encode(writer io.Writer, img image.Image, _ opts.Common) error {
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return qoi.ImageEncode(writer, img)
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}
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