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Fallback to IM decoding for broken images, issue #15

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This commit is contained in:
Milan Nikolic
2023-01-12 10:03:45 +01:00
parent d6e7248112
commit 9a047d1977
1 changed files with 32 additions and 31 deletions
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57
cbconvert.go
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@@ -185,17 +185,7 @@ func (c *Convertor) convertImage(ctx context.Context, img image.Image, index int
}
switch c.Opts.Format {
case "jpeg":
err = c.encodeImage(img, fileName)
if err != nil {
return err
}
case "png":
err = c.encodeImage(img, fileName)
if err != nil {
return err
}
case "tiff":
case "jpeg", "png", "tiff", "webp", "avif":
err = c.encodeImage(img, fileName)
if err != nil {
return err
@@ -206,16 +196,6 @@ func (c *Convertor) convertImage(ctx context.Context, img image.Image, index int
if err != nil {
return err
}
case "webp":
err = c.encodeImage(img, fileName)
if err != nil {
return err
}
case "avif":
err = c.encodeImage(img, fileName)
if err != nil {
return err
}
}
return nil
@@ -296,9 +276,14 @@ func (c *Convertor) levelImage(img image.Image) (image.Image, error) {
}
blob := mw.GetImageBlob()
i, err := c.decodeImage(bytes.NewReader(blob), "levels")
var i image.Image
i, err = c.decodeImage(bytes.NewReader(blob), "levels")
if err != nil {
return img, fmt.Errorf("levelImage: %w", err)
i, err = c.decodeIM(bytes.NewReader(blob), "levels")
if err != nil {
return nil, fmt.Errorf("levelImage: %w", err)
}
}
return i, nil
@@ -397,10 +382,14 @@ func (c *Convertor) convertArchive(fileName string) error {
continue
}
img, err := c.decodeImage(bytes.NewReader(data), pathName)
var img image.Image
img, err = c.decodeImage(bytes.NewReader(data), pathName)
if err != nil {
img, err = c.decodeIM(bytes.NewReader(data), pathName)
if err != nil {
return fmt.Errorf("convertArchive: %w", err)
}
}
if cover == pathName && c.Opts.NoCover {
img = c.transformImage(img)
@@ -488,9 +477,13 @@ func (c *Convertor) convertDirectory(dirPath string) error {
continue
}
i, err := c.decodeImage(file, img)
var i image.Image
i, err = c.decodeImage(file, img)
if err != nil {
return fmt.Errorf("convertDirectory: %w", err)
i, err = c.decodeIM(file, img)
if err != nil {
return fmt.Errorf("coverDirectory: %w", err)
}
}
if c.Opts.NoRGB && !c.isGrayScale(i) {
@@ -773,10 +766,14 @@ func (c *Convertor) coverArchive(fileName string) (image.Image, error) {
return nil, fmt.Errorf("coverArchive: %w", err)
}
img, err := c.decodeImage(bytes.NewReader(data), cover)
var img image.Image
img, err = c.decodeImage(bytes.NewReader(data), cover)
if err != nil {
img, err = c.decodeIM(bytes.NewReader(data), cover)
if err != nil {
return nil, fmt.Errorf("coverArchive: %w", err)
}
}
return img, nil
}
@@ -814,10 +811,14 @@ func (c *Convertor) coverDirectory(dir string) (image.Image, error) {
}
defer file.Close()
img, err := c.decodeImage(file, cover)
var img image.Image
img, err = c.decodeImage(file, cover)
if err != nil {
img, err = c.decodeIM(file, cover)
if err != nil {
return nil, fmt.Errorf("coverDirectory: %w", err)
}
}
return img, nil
}