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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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63
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 { switch c.Opts.Format {
case "jpeg": case "jpeg", "png", "tiff", "webp", "avif":
err = c.encodeImage(img, fileName)
if err != nil {
return err
}
case "png":
err = c.encodeImage(img, fileName)
if err != nil {
return err
}
case "tiff":
err = c.encodeImage(img, fileName) err = c.encodeImage(img, fileName)
if err != nil { if err != nil {
return err return err
@@ -206,16 +196,6 @@ func (c *Convertor) convertImage(ctx context.Context, img image.Image, index int
if err != nil { if err != nil {
return err 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 return nil
@@ -296,9 +276,14 @@ func (c *Convertor) levelImage(img image.Image) (image.Image, error) {
} }
blob := mw.GetImageBlob() 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 { 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 return i, nil
@@ -397,9 +382,13 @@ func (c *Convertor) convertArchive(fileName string) error {
continue continue
} }
img, err := c.decodeImage(bytes.NewReader(data), pathName) var img image.Image
img, err = c.decodeImage(bytes.NewReader(data), pathName)
if err != nil { if err != nil {
return fmt.Errorf("convertArchive: %w", err) img, err = c.decodeIM(bytes.NewReader(data), pathName)
if err != nil {
return fmt.Errorf("convertArchive: %w", err)
}
} }
if cover == pathName && c.Opts.NoCover { if cover == pathName && c.Opts.NoCover {
@@ -488,9 +477,13 @@ func (c *Convertor) convertDirectory(dirPath string) error {
continue continue
} }
i, err := c.decodeImage(file, img) var i image.Image
i, err = c.decodeImage(file, img)
if err != nil { 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) { if c.Opts.NoRGB && !c.isGrayScale(i) {
@@ -773,9 +766,13 @@ func (c *Convertor) coverArchive(fileName string) (image.Image, error) {
return nil, fmt.Errorf("coverArchive: %w", err) 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 { if err != nil {
return nil, fmt.Errorf("coverArchive: %w", err) img, err = c.decodeIM(bytes.NewReader(data), cover)
if err != nil {
return nil, fmt.Errorf("coverArchive: %w", err)
}
} }
return img, nil return img, nil
@@ -814,9 +811,13 @@ func (c *Convertor) coverDirectory(dir string) (image.Image, error) {
} }
defer file.Close() defer file.Close()
img, err := c.decodeImage(file, cover) var img image.Image
img, err = c.decodeImage(file, cover)
if err != nil { if err != nil {
return nil, fmt.Errorf("coverDirectory: %w", err) img, err = c.decodeIM(file, cover)
if err != nil {
return nil, fmt.Errorf("coverDirectory: %w", err)
}
} }
return img, nil return img, nil