celogeek/go-comic-converter
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add manga mode

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This commit is contained in:
Celogeek 2023-01-15 19:25:38 +01:00
parent eef33a4c40
commit 5f661aec57
Signed by: celogeek
GPG Key ID: E6B7BDCFC446233A
6 changed files with 37 additions and 15 deletions
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2
README.md
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@ -92,6 +92,8 @@ Usage of go-comic-converter:
Source of comic to convert: directory, cbz, zip, cbr, rar, pdf Source of comic to convert: directory, cbz, zip, cbr, rar, pdf
-limitmb int -limitmb int
Limit size of the ePub: Default nolimit (0), Minimum 20 Limit size of the ePub: Default nolimit (0), Minimum 20
-manga
Manga mode (right to left)
-nocrop -nocrop
Disable cropping Disable cropping
-output string -output string

6
internal/epub/core.go
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@ -22,6 +22,7 @@ type ImageOptions struct {
Contrast int Contrast int
AutoRotate bool AutoRotate bool
AutoSplitDoublePage bool AutoSplitDoublePage bool
Manga bool
Workers int Workers int
} }
@ -186,7 +187,10 @@ func (e *ePub) Write() error {
for _, img := range part.Images { for _, img := range part.Images {
text := fmt.Sprintf("OEBPS/Text/%d_p%d.xhtml", img.Id, img.Part) text := fmt.Sprintf("OEBPS/Text/%d_p%d.xhtml", img.Id, img.Part)
if err := wz.WriteFile(text, e.render(textTmpl, img)); err != nil { if err := wz.WriteFile(text, e.render(textTmpl, map[string]any{
"Image": img,
"Manga": e.Manga,
})); err != nil {
return err return err
} }
if err := wz.WriteImage(img.Data); err != nil { if err := wz.WriteImage(img.Data); err != nil {

6
internal/epub/image_filters.go
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@ -28,12 +28,14 @@ func NewGift(options *ImageOptions) *gift.GIFT {
func NewGiftSplitDoublePage(options *ImageOptions) []*gift.GIFT { func NewGiftSplitDoublePage(options *ImageOptions) []*gift.GIFT {
gifts := make([]*gift.GIFT, 2) gifts := make([]*gift.GIFT, 2)
rightFirst := options.Manga
gifts[0] = gift.New( gifts[0] = gift.New(
filters.CropSplitDoublePage(false), filters.CropSplitDoublePage(rightFirst),
) )
gifts[1] = gift.New( gifts[1] = gift.New(
filters.CropSplitDoublePage(true), filters.CropSplitDoublePage(!rightFirst),
) )
for _, g := range gifts { for _, g := range gifts {

11
internal/epub/templates/content.opf.tmpl
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@ -30,10 +30,19 @@
<item id="img_{{ .Id }}_p{{ .Part}}" href="Images/{{ .Id }}_p{{ .Part}}.jpg" media-type="image/jpeg"/> <item id="img_{{ .Id }}_p{{ .Part}}" href="Images/{{ .Id }}_p{{ .Part}}.jpg" media-type="image/jpeg"/>
{{ end }} {{ end }}
</manifest> </manifest>
<spine page-progression-direction="ltr" toc="ncx"> {{ if .Info.Manga }}
<spine page-progression-direction="rtl" toc="ncx">
<itemref idref="page_part" linear="yes" properties="page-spread-right"/> <itemref idref="page_part" linear="yes" properties="page-spread-right"/>
{{ range $idx, $ := .Images }} {{ range $idx, $ := .Images }}
<itemref idref="page_{{ $.Id }}_p{{ $.Part }}" linear="yes" properties="page-spread-{{ if mod $idx 2 }}left{{ else }}right{{ end }}"/> <itemref idref="page_{{ $.Id }}_p{{ $.Part }}" linear="yes" properties="page-spread-{{ if mod $idx 2 }}left{{ else }}right{{ end }}"/>
{{ end }} {{ end }}
</spine> </spine>
{{ else }}
<spine page-progression-direction="ltr" toc="ncx">
<itemref idref="page_part" linear="yes" properties="page-spread-left"/>
{{ range $idx, $ := .Images }}
<itemref idref="page_{{ $.Id }}_p{{ $.Part }}" linear="yes" properties="page-spread-{{ if mod $idx 2 }}right{{ else }}end{{ end }}"/>
{{ end }}
</spine>
{{ end }}
</package> </package>

22
internal/epub/templates/text.xhtml.tmpl
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@ -2,39 +2,39 @@
<!DOCTYPE html> <!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:epub="http://www.idpf.org/2007/ops">
<head> <head>
<title>Page {{ .Id }}_p{{ .Part}}</title> <title>Page {{ .Image.Id }}_p{{ .Image.Part}}</title>
<link href="style.css" type="text/css" rel="stylesheet"/> <link href="style.css" type="text/css" rel="stylesheet"/>
<meta name="viewport" content="width={{ .Width }}, height={{ .Height }}"/> <meta name="viewport" content="width={{ .Image.Width }}, height={{ .Image.Height }}"/>
</head> </head>
<body style=""> <body style="">
<div style="text-align:center;top:0.0%;"> <div style="text-align:center;top:0.0%;">
<img width="{{ .Width }}" height="{{ .Height }}" src="../Images/{{ .Id }}_p{{ .Part}}.jpg"/> <img width="{{ .Image.Width }}" height="{{ .Image.Height }}" src="../Images/{{ .Image.Id }}_p{{ .Image.Part}}.jpg"/>
</div> </div>
<div id="PV"> <div id="PV">
<div id="PV-TL"> <div id="PV-TL">
<a style="display:inline-block;width:100%;height:100%;" class="app-amzn-magnify" data-app-amzn-magnify='{"targetId":"PV-TL-P", "ordinal":1}'></a> <a style="display:inline-block;width:100%;height:100%;" class="app-amzn-magnify" data-app-amzn-magnify='{"targetId":"PV-TL-P", "ordinal":{{ if .Manga }}2{{ else }}1{{ end }}}'></a>
</div> </div>
<div id="PV-TR"> <div id="PV-TR">
<a style="display:inline-block;width:100%;height:100%;" class="app-amzn-magnify" data-app-amzn-magnify='{"targetId":"PV-TR-P", "ordinal":2}'></a> <a style="display:inline-block;width:100%;height:100%;" class="app-amzn-magnify" data-app-amzn-magnify='{"targetId":"PV-TR-P", "ordinal":{{ if .Manga }}1{{ else }}2{{ end }}}'></a>
</div> </div>
<div id="PV-BL"> <div id="PV-BL">
<a style="display:inline-block;width:100%;height:100%;" class="app-amzn-magnify" data-app-amzn-magnify='{"targetId":"PV-BL-P", "ordinal":3}'></a> <a style="display:inline-block;width:100%;height:100%;" class="app-amzn-magnify" data-app-amzn-magnify='{"targetId":"PV-BL-P", "ordinal":{{ if .Manga }}4{{ else }}3{{ end }}}'></a>
</div> </div>
<div id="PV-BR"> <div id="PV-BR">
<a style="display:inline-block;width:100%;height:100%;" class="app-amzn-magnify" data-app-amzn-magnify='{"targetId":"PV-BR-P", "ordinal":4}'></a> <a style="display:inline-block;width:100%;height:100%;" class="app-amzn-magnify" data-app-amzn-magnify='{"targetId":"PV-BR-P", "ordinal":{{ if .Manga }}3{{ else }}4{{ end }}}'></a>
</div> </div>
</div> </div>
<div class="PV-P" id="PV-TL-P" style=""> <div class="PV-P" id="PV-TL-P" style="">
<img style="position:absolute;left:0;top:0;" src="../Images/{{ .Id }}_p{{ .Part}}.jpg" width="{{ zoom .Width 1.5 }}" height="{{ zoom .Height 1.5 }}"/> <img style="position:absolute;left:0;top:0;" src="../Images/{{ .Image.Id }}_p{{ .Image.Part}}.jpg" width="{{ zoom .Image.Width 1.5 }}" height="{{ zoom .Image.Height 1.5 }}"/>
</div> </div>
<div class="PV-P" id="PV-TR-P" style=""> <div class="PV-P" id="PV-TR-P" style="">
<img style="position:absolute;right:0;top:0;" src="../Images/{{ .Id }}_p{{ .Part}}.jpg" width="{{ zoom .Width 1.5 }}" height="{{ zoom .Height 1.5 }}"/> <img style="position:absolute;right:0;top:0;" src="../Images/{{ .Image.Id }}_p{{ .Image.Part}}.jpg" width="{{ zoom .Image.Width 1.5 }}" height="{{ zoom .Image.Height 1.5 }}"/>
</div> </div>
<div class="PV-P" id="PV-BL-P" style=""> <div class="PV-P" id="PV-BL-P" style="">
<img style="position:absolute;left:0;bottom:0;" src="../Images/{{ .Id }}_p{{ .Part}}.jpg" width="{{ zoom .Width 1.5 }}" height="{{ zoom .Height 1.5 }}"/> <img style="position:absolute;left:0;bottom:0;" src="../Images/{{ .Image.Id }}_p{{ .Image.Part}}.jpg" width="{{ zoom .Image.Width 1.5 }}" height="{{ zoom .Image.Height 1.5 }}"/>
</div> </div>
<div class="PV-P" id="PV-BR-P" style=""> <div class="PV-P" id="PV-BR-P" style="">
<img style="position:absolute;right:0;bottom:0;" src="../Images/{{ .Id }}_p{{ .Part}}.jpg" width="{{ zoom .Width 1.5 }}" height="{{ zoom .Height 1.5 }}"/> <img style="position:absolute;right:0;bottom:0;" src="../Images/{{ .Image.Id }}_p{{ .Image.Part}}.jpg" width="{{ zoom .Image.Width 1.5 }}" height="{{ zoom .Image.Height 1.5 }}"/>
</div> </div>
</body> </body>
</html> </html>

5
main.go
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@ -69,6 +69,7 @@ type Option struct {
Auto bool Auto bool
AutoRotate bool AutoRotate bool
AutoSplitDoublePage bool AutoSplitDoublePage bool
Manga bool
Workers int Workers int
LimitMb int LimitMb int
} }
@ -102,6 +103,7 @@ Options:
Contrast : %d Contrast : %d
AutoRotate : %v AutoRotate : %v
AutoSplitDoublePage: %v AutoSplitDoublePage: %v
Manga : %v
LimitMb : %s LimitMb : %s
Workers : %d Workers : %d
`, `,
@ -116,6 +118,7 @@ Options:
o.Contrast, o.Contrast,
o.AutoRotate, o.AutoRotate,
o.AutoSplitDoublePage, o.AutoSplitDoublePage,
o.Manga,
limitmb, limitmb,
o.Workers, o.Workers,
) )
@ -146,6 +149,7 @@ func main() {
flag.BoolVar(&opt.Auto, "auto", false, "Activate all automatic options") flag.BoolVar(&opt.Auto, "auto", false, "Activate all automatic options")
flag.BoolVar(&opt.AutoRotate, "autorotate", false, "Auto Rotate page when width > height") flag.BoolVar(&opt.AutoRotate, "autorotate", false, "Auto Rotate page when width > height")
flag.BoolVar(&opt.AutoSplitDoublePage, "autosplitdoublepage", false, "Auto Split double page when width > height") flag.BoolVar(&opt.AutoSplitDoublePage, "autosplitdoublepage", false, "Auto Split double page when width > height")
flag.BoolVar(&opt.Manga, "manga", false, "Manga mode (right to left)")
flag.IntVar(&opt.LimitMb, "limitmb", 0, "Limit size of the ePub: Default nolimit (0), Minimum 20") flag.IntVar(&opt.LimitMb, "limitmb", 0, "Limit size of the ePub: Default nolimit (0), Minimum 20")
flag.IntVar(&opt.Workers, "workers", runtime.NumCPU(), "Number of workers") flag.IntVar(&opt.Workers, "workers", runtime.NumCPU(), "Number of workers")
flag.Usage = func() { flag.Usage = func() {
@ -251,6 +255,7 @@ func main() {
Contrast: opt.Contrast, Contrast: opt.Contrast,
AutoRotate: opt.AutoRotate, AutoRotate: opt.AutoRotate,
AutoSplitDoublePage: opt.AutoSplitDoublePage, AutoSplitDoublePage: opt.AutoSplitDoublePage,
Manga: opt.Manga,
Workers: opt.Workers, Workers: opt.Workers,
}, },
}).Write(); err != nil { }).Write(); err != nil {