mirror of
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103 lines
2.1 KiB
Go
103 lines
2.1 KiB
Go
package main
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import (
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"fmt"
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"image"
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"image/gif"
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"image/jpeg"
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"io"
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ico "github.com/biessek/golang-ico"
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"github.com/gen2brain/avif"
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"github.com/gen2brain/jpegxl"
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"github.com/gen2brain/webp"
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"golang.org/x/image/bmp"
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"golang.org/x/image/tiff"
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)
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type Encoder func(io.Writer, image.Image) error
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func ReadImage(input io.ReadSeeker) (image.Image, error) {
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decoder, err := GetDecoderFromContent(input)
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if err != nil {
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return nil, err
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}
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return decoder(input)
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}
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func ResolveImageEncoder() (Encoder, error) {
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table := NewOptionsTable()
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switch opts.Format {
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case "webp":
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options := GetWebPOptions()
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table.AddWebPOptions(options)
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return func(output io.Writer, img image.Image) error {
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return webp.Encode(output, img, options)
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}, nil
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case "jpeg":
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options := GetJpegOptions()
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table.AddJpegOptions(options)
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return func(output io.Writer, img image.Image) error {
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return jpeg.Encode(output, img, options)
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}, nil
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case "png":
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encoder := GetPNGOptions()
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table.AddPNGOptions(encoder)
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return func(output io.Writer, img image.Image) error {
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return encoder.Encode(output, img)
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}, nil
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case "gif":
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options := GetGifOptions()
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table.AddGifOptions(options)
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return func(output io.Writer, img image.Image) error {
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return gif.Encode(output, img, options)
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}, nil
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case "bmp":
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return func(output io.Writer, img image.Image) error {
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return bmp.Encode(output, img)
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}, nil
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case "tiff":
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options := GetTiffOptions()
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table.AddTiffOptions(options)
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return func(output io.Writer, img image.Image) error {
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return tiff.Encode(output, img, options)
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}, nil
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case "avif":
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options := GetAvifOptions()
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table.AddAvifOptions(options)
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return func(output io.Writer, img image.Image) error {
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return avif.Encode(output, img, options)
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}, nil
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case "jxl":
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options := GetJxlOptions()
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table.AddJxlOptions(options)
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return func(output io.Writer, img image.Image) error {
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return jpegxl.Encode(output, img, options)
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}, nil
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case "ico":
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table.Print()
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return func(output io.Writer, img image.Image) error {
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return ico.Encode(output, img)
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}, nil
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}
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return nil, fmt.Errorf("unsupported output format: %s", opts.Format)
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}
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