mirror of
https://github.com/gen2brain/cbconvert
synced 2025-10-13 18:18:52 +02:00
Use pngstructure instead of IM
This commit is contained in:
Milan Nikolic
66
cbconvert.go
66
cbconvert.go
@@ -24,6 +24,7 @@ import (
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"golang.org/x/image/tiff"
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"github.com/disintegration/imaging"
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pngstructure "github.com/dsoprea/go-png-image-structure"
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"github.com/dustin/go-humanize"
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"github.com/fvbommel/sortorder"
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"github.com/gen2brain/go-fitz"
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@@ -1084,14 +1085,23 @@ func (c *Converter) Thumbnail(fileName string, fileInfo os.FileInfo) error {
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cover = imaging.Resize(cover, 256, 0, filters[c.Opts.Filter])
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}
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mw := imagick.NewMagickWand()
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defer mw.Destroy()
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rgba := imageToRGBA(cover)
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if err := mw.ConstituteImage(uint(cover.Bounds().Dx()), uint(cover.Bounds().Dy()), "RGBA", imagick.PIXEL_CHAR, rgba.Pix); err != nil {
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var buf bytes.Buffer
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err = png.Encode(&buf, cover)
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if err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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}
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pmp := pngstructure.NewPngMediaParser()
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csTmp, err := pmp.ParseBytes(buf.Bytes())
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if err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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}
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cs, ok := csTmp.(*pngstructure.ChunkSlice)
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if !ok {
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return fmt.Errorf("%s: type is not ChunkSlice", fileName)
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}
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var fName string
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var fURI string
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@@ -1114,26 +1124,42 @@ func (c *Converter) Thumbnail(fileName string, fileInfo os.FileInfo) error {
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fName = abs
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}
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if err := mw.SetImageFormat("PNG"); err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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chunks := cs.Chunks()
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textChunks := []*pngstructure.Chunk{
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{Type: `tEXt`, Data: []uint8("Software\x00" + "CBconvert")},
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{Type: `tEXt`, Data: []uint8("Description\x00" + "Thumbnail of " + fileName)},
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{Type: `tEXt`, Data: []uint8("Thumb::URI\x00" + fURI)},
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{Type: `tEXt`, Data: []uint8("Thumb::MTime\x00" + strconv.FormatInt(fileInfo.ModTime().Unix(), 10))},
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{Type: `tEXt`, Data: []uint8("Thumb::Size\x00" + strconv.FormatInt(fileInfo.Size(), 10))},
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}
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if err := mw.SetImageProperty("Software", "CBconvert"); err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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for _, textChunk := range textChunks {
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textChunk.Length = uint32(len(textChunk.Data))
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textChunk.UpdateCrc32()
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}
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if err := mw.SetImageProperty("Description", "Thumbnail of "+fileName); err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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}
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if err := mw.SetImageProperty("Thumb::URI", fURI); err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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}
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if err := mw.SetImageProperty("Thumb::MTime", strconv.FormatInt(fileInfo.ModTime().Unix(), 10)); err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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}
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if err := mw.SetImageProperty("Thumb::Size", strconv.FormatInt(fileInfo.Size(), 10)); err != nil {
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chunks = append(
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chunks[:1],
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append(
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textChunks,
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chunks[1:]...,
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)...,
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)
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cs = pngstructure.NewChunkSlice(chunks)
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err = cs.WriteTo(&buf)
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if err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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}
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err = mw.WriteImage(fName)
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f, err := os.Create(fName)
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if err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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}
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defer f.Close()
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_, err = buf.WriteTo(f)
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if err != nil {
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return fmt.Errorf("%s: %w", fileName, err)
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}
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11
go.mod
11
go.mod
@@ -5,24 +5,31 @@ go 1.23
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require (
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git.sr.ht/~jackmordaunt/go-libwebp v1.8.0
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github.com/disintegration/imaging v1.6.2
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github.com/dsoprea/go-png-image-structure v0.0.0-20210512210324-29b889a6093d
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github.com/dustin/go-humanize v1.0.1
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github.com/fvbommel/sortorder v1.1.0
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github.com/gen2brain/go-fitz v1.24.14
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github.com/gen2brain/go-unarr v0.2.3
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golang.org/x/image v0.21.0
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golang.org/x/sync v0.8.0
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gopkg.in/gographics/imagick.v3 v3.5.1
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)
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require (
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github.com/dsoprea/go-exif/v2 v2.0.0-20200604193436-ca8584a0e1c4 // indirect
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github.com/dsoprea/go-logging v0.0.0-20200517223158-a10564966e9d // indirect
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github.com/dsoprea/go-utility v0.0.0-20200711062821-fab8125e9bdf // indirect
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github.com/ebitengine/purego v0.8.1 // indirect
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github.com/go-errors/errors v1.1.1 // indirect
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github.com/golang/geo v0.0.0-20200319012246-673a6f80352d // indirect
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github.com/google/uuid v1.6.0 // indirect
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github.com/jupiterrider/ffi v0.2.0 // indirect
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github.com/jupiterrider/ffi v0.2.1 // indirect
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github.com/mattn/go-isatty v0.0.20 // indirect
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github.com/ncruces/go-strftime v0.1.9 // indirect
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github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
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golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c // indirect
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golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2 // indirect
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golang.org/x/sys v0.26.0 // indirect
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gopkg.in/yaml.v2 v2.3.0 // indirect
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modernc.org/libc v1.61.0 // indirect
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modernc.org/mathutil v1.6.0 // indirect
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modernc.org/memory v1.8.0 // indirect
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39
go.sum
39
go.sum
@@ -2,6 +2,19 @@ git.sr.ht/~jackmordaunt/go-libwebp v1.8.0 h1:05YWkouuQnR6CTPz/TlN0J9hXQiZDFk+bWe
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git.sr.ht/~jackmordaunt/go-libwebp v1.8.0/go.mod h1:rXiwpxkkOe8OEvhh9g+HIvtPpBxgZXQyB6s+HXQUFyI=
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github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
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github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
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github.com/dsoprea/go-exif/v2 v2.0.0-20200321225314-640175a69fe4/go.mod h1:Lm2lMM2zx8p4a34ZemkaUV95AnMl4ZvLbCUbwOvLC2E=
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github.com/dsoprea/go-exif/v2 v2.0.0-20200604193436-ca8584a0e1c4 h1:Mg7pY7kxDQD2Bkvr1N+XW4BESSIQ7tTTR7Vv+Gi2CsM=
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github.com/dsoprea/go-exif/v2 v2.0.0-20200604193436-ca8584a0e1c4/go.mod h1:9EXlPeHfblFFnwu5UOqmP2eoZfJyAZ2Ri/Vki33ajO0=
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github.com/dsoprea/go-exif/v3 v3.0.0-20200717053412-08f1b6708903/go.mod h1:0nsO1ce0mh5czxGeLo4+OCZ/C6Eo6ZlMWsz7rH/Gxv8=
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github.com/dsoprea/go-exif/v3 v3.0.0-20210512043655-120bcdb2a55e/go.mod h1:cg5SNYKHMmzxsr9X6ZeLh/nfBRHHp5PngtEPcujONtk=
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github.com/dsoprea/go-logging v0.0.0-20190624164917-c4f10aab7696/go.mod h1:Nm/x2ZUNRW6Fe5C3LxdY1PyZY5wmDv/s5dkPJ/VB3iA=
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github.com/dsoprea/go-logging v0.0.0-20200517223158-a10564966e9d h1:F/7L5wr/fP/SKeO5HuMlNEX9Ipyx2MbH2rV9G4zJRpk=
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github.com/dsoprea/go-logging v0.0.0-20200517223158-a10564966e9d/go.mod h1:7I+3Pe2o/YSU88W0hWlm9S22W7XI1JFNJ86U0zPKMf8=
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github.com/dsoprea/go-png-image-structure v0.0.0-20210512210324-29b889a6093d h1:8+qI8ant/vZkNSsbwSjIR6XJfWcDVTg/qx/3pRUUZNA=
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github.com/dsoprea/go-png-image-structure v0.0.0-20210512210324-29b889a6093d/go.mod h1:yTR3tKgyk20phAFg6IE9ulMA5NjEDD2wyx+okRFLVtw=
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github.com/dsoprea/go-utility v0.0.0-20200711062821-fab8125e9bdf h1:/w4QxepU4AHh3AuO6/g8y/YIIHH5+aKP3Bj8sg5cqhU=
|
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github.com/dsoprea/go-utility v0.0.0-20200711062821-fab8125e9bdf/go.mod h1:95+K3z2L0mqsVYd6yveIv1lmtT3tcQQ3dVakPySffW8=
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github.com/dsoprea/go-utility/v2 v2.0.0-20200717064901-2fccff4aa15e/go.mod h1:uAzdkPTub5Y9yQwXe8W4m2XuP0tK4a9Q/dantD0+uaU=
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github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
|
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github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
|
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github.com/ebitengine/purego v0.8.1 h1:sdRKd6plj7KYW33EH5As6YKfe8m9zbN9JMrOjNVF/BE=
|
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@@ -12,16 +25,25 @@ github.com/gen2brain/go-fitz v1.24.14 h1:09weRkjVtLYNGo7l0J7DyOwBExbwi8SJ9h8YPhw
|
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github.com/gen2brain/go-fitz v1.24.14/go.mod h1:0KaZeQgASc20Yp5R/pFzyy7SmP01XcoHKNF842U2/S4=
|
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github.com/gen2brain/go-unarr v0.2.3 h1:VwZg0P6Dc/8Uh51McjVhzUMg4wHwwbiyqjEFsFELc0c=
|
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github.com/gen2brain/go-unarr v0.2.3/go.mod h1:hoHheVuf0KT8/hfvkEL7GMwj2h7fq0lF72NdyySdr3c=
|
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github.com/go-errors/errors v1.0.1/go.mod h1:f4zRHt4oKfwPJE5k8C9vpYG+aDHdBFUsgrm6/TyX73Q=
|
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github.com/go-errors/errors v1.0.2/go.mod h1:psDX2osz5VnTOnFWbDeWwS7yejl+uV3FEWEp4lssFEs=
|
||||
github.com/go-errors/errors v1.1.1 h1:ljK/pL5ltg3qoN+OtN6yCv9HWSfMwxSx90GJCZQxYNg=
|
||||
github.com/go-errors/errors v1.1.1/go.mod h1:psDX2osz5VnTOnFWbDeWwS7yejl+uV3FEWEp4lssFEs=
|
||||
github.com/golang/geo v0.0.0-20190916061304-5b978397cfec/go.mod h1:QZ0nwyI2jOfgRAoBvP+ab5aRr7c9x7lhGEJrKvBwjWI=
|
||||
github.com/golang/geo v0.0.0-20200319012246-673a6f80352d h1:C/hKUcHT483btRbeGkrRjJz+Zbcj8audldIi9tRJDCc=
|
||||
github.com/golang/geo v0.0.0-20200319012246-673a6f80352d/go.mod h1:QZ0nwyI2jOfgRAoBvP+ab5aRr7c9x7lhGEJrKvBwjWI=
|
||||
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
|
||||
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
|
||||
github.com/jupiterrider/ffi v0.2.0 h1:tMM70PexgYNmV+WyaYhJgCvQAvtTCs3wXeILPutihnA=
|
||||
github.com/jupiterrider/ffi v0.2.0/go.mod h1:yqYqX5DdEccAsHeMn+6owkoI2llBLySVAF8dwCDZPVs=
|
||||
github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
|
||||
github.com/jupiterrider/ffi v0.2.1 h1:08GJVDqz4eoQq7cKT1T0kwb9MB58XEAGjgxDvz80yBs=
|
||||
github.com/jupiterrider/ffi v0.2.1/go.mod h1:tJ7Q8p/3blFjdWt5qJU4W5oDE0xloImvrViE+0td0Rk=
|
||||
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
|
||||
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
|
||||
github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
|
||||
github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
|
||||
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
|
||||
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
|
||||
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c h1:7dEasQXItcW1xKJ2+gg5VOiBnqWrJc+rq0DPKyvvdbY=
|
||||
golang.org/x/exp v0.0.0-20241009180824-f66d83c29e7c/go.mod h1:NQtJDoLvd6faHhE7m4T/1IY708gDefGGjR/iUW8yQQ8=
|
||||
golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
|
||||
@@ -29,16 +51,29 @@ golang.org/x/image v0.21.0 h1:c5qV36ajHpdj4Qi0GnE0jUc/yuo33OLFaa0d+crTD5s=
|
||||
golang.org/x/image v0.21.0/go.mod h1:vUbsLavqK/W303ZroQQVKQ+Af3Yl6Uz1Ppu5J/cLz78=
|
||||
golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=
|
||||
golang.org/x/mod v0.21.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
|
||||
golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||
golang.org/x/net v0.0.0-20200320220750-118fecf932d8/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
|
||||
golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
|
||||
golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
|
||||
golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2 h1:eDrdRpKgkcCqKZQwyZRyeFZgfqt37SL7Kv3tok06cKE=
|
||||
golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
|
||||
golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
|
||||
golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
|
||||
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
|
||||
golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
|
||||
golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
golang.org/x/tools v0.26.0 h1:v/60pFQmzmT9ExmjDv2gGIfi3OqfKoEP6I5+umXlbnQ=
|
||||
golang.org/x/tools v0.26.0/go.mod h1:TPVVj70c7JJ3WCazhD8OdXcZg/og+b9+tH/KxylGwH0=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
gopkg.in/gographics/imagick.v3 v3.5.1 h1:58JqK0UCx5RfvbRggF5FKuK6jHwAtTQopUxK8mzFa40=
|
||||
gopkg.in/gographics/imagick.v3 v3.5.1/go.mod h1:+Q9nyA2xRZXrDyTtJ/eko+8V/5E7bWYs08ndkZp8UmA=
|
||||
gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
|
||||
gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||
modernc.org/cc/v4 v4.21.4 h1:3Be/Rdo1fpr8GrQ7IVw9OHtplU4gWbb+wNgeoBMmGLQ=
|
||||
modernc.org/cc/v4 v4.21.4/go.mod h1:HM7VJTZbUCR3rV8EYBi9wxnJ0ZBRiGE5OeGXNA0IsLQ=
|
||||
modernc.org/ccgo/v4 v4.21.0 h1:kKPI3dF7RIag8YcToh5ZwDcVMIv6VGa0ED5cvh0LMW4=
|
||||
|
||||
Reference in New Issue
Block a user