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factor rendering

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This commit is contained in:
Celogeek 2023-04-16 18:02:31 +02:00
parent 8d24f95579
commit 02583cc715
Signed by: celogeek
SSH Key Fingerprint: SHA256:njNJLzoLQdbV9PC6ehcruRb0QnEgxABoCYZ+0+aUIYc
6 changed files with 52 additions and 40 deletions
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67
internal/epub/core.go
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@ -93,6 +93,38 @@ func (e *ePub) render(templateString string, data any) string {
return stripBlank.ReplaceAllString(result.String(), "\n") return stripBlank.ReplaceAllString(result.String(), "\n")
} }
func (e *ePub) writeImage(wz *epubZip, img *Image) error {
err := wz.WriteFile(
fmt.Sprintf("OEBPS/%s", img.TextPath()),
e.render(textTmpl, map[string]any{
"Title": fmt.Sprintf("Image %d Part %d", img.Id, img.Part),
"ViewPort": fmt.Sprintf("width=%d, height=%d", e.ViewWidth, e.ViewHeight),
"ImageStyle": fmt.Sprintf(
"width:%dpx; height:%dpx;",
img.Width,
img.Height,
),
"ImagePath": img.ImgPath(),
}),
)
if err == nil {
err = wz.WriteImage(img.Data)
}
return err
}
func (e *ePub) writeBlank(wz *epubZip, img *Image) error {
return wz.WriteFile(
fmt.Sprintf("OEBPS/Text/%d_sp.xhtml", img.Id),
e.render(blankTmpl, map[string]any{
"Title": fmt.Sprintf("Blank Page %d", img.Id),
"ViewPort": fmt.Sprintf("width=%d, height=%d", e.ViewWidth, e.ViewHeight),
}),
)
}
func (e *ePub) getParts() ([]*epubPart, error) { func (e *ePub) getParts() ([]*epubPart, error) {
images, err := e.LoadImages() images, err := e.LoadImages()
@ -210,8 +242,11 @@ func (e *ePub) Write() error {
{"META-INF/com.apple.ibooks.display-options.xml", appleBooksTmpl}, {"META-INF/com.apple.ibooks.display-options.xml", appleBooksTmpl},
{"OEBPS/content.opf", e.getContent(title, part, i+1, totalParts).String()}, {"OEBPS/content.opf", e.getContent(title, part, i+1, totalParts).String()},
{"OEBPS/toc.xhtml", e.getToc(title, part.Images)}, {"OEBPS/toc.xhtml", e.getToc(title, part.Images)},
{"OEBPS/Text/style.css", styleTmpl}, {"OEBPS/Text/style.css", e.render(styleTmpl, map[string]any{
{"OEBPS/Text/part.xhtml", e.render(partTmpl, map[string]any{ "PageWidth": e.ViewWidth,
"PageHeight": e.ViewHeight,
})},
{"OEBPS/Text/title.xhtml", e.render(titleTmpl, map[string]any{
"Info": e, "Info": e,
"Part": i + 1, "Part": i + 1,
"Total": totalParts, "Total": totalParts,
@ -230,41 +265,19 @@ func (e *ePub) Write() error {
// Cover exist or part > 1 // Cover exist or part > 1
// If no cover, part 2 and more will include the image as a cover // If no cover, part 2 and more will include the image as a cover
if e.HasCover || i > 0 { if e.HasCover || i > 0 {
if err := wz.WriteFile(fmt.Sprintf("OEBPS/%s", part.Cover.TextPath()), e.render(textTmpl, map[string]any{ if err := e.writeImage(wz, part.Cover); err != nil {
"Info": e,
"Image": part.Cover,
"Manga": e.Manga,
"Top": fmt.Sprintf("%d", (e.ViewHeight-part.Cover.Height)/2),
})); err != nil {
return err
}
if err := wz.WriteImage(part.Cover.Data); err != nil {
return err return err
} }
} }
for i, img := range part.Images { for i, img := range part.Images {
if err := wz.WriteFile(fmt.Sprintf("OEBPS/Text/%d_p%d.xhtml", img.Id, img.Part), e.render(textTmpl, map[string]any{ if err := e.writeImage(wz, img); err != nil {
"Info": e,
"Image": img,
"Top": fmt.Sprintf("%d", (e.ViewHeight-img.Height)/2),
})); err != nil {
return err
}
if err := wz.WriteImage(img.Data); err != nil {
return err return err
} }
// Double Page or Last Image // Double Page or Last Image
if img.DoublePage || (i+1 == len(part.Images)) { if img.DoublePage || (i+1 == len(part.Images)) {
if err := wz.WriteFile( if err := e.writeBlank(wz, img); err != nil {
fmt.Sprintf("OEBPS/Text/%d_sp.xhtml", img.Id),
e.render(blankTmpl, map[string]any{
"Info": e,
"Image": img,
}),
); err != nil {
return err return err
} }
} }

4
internal/epub/templates.go
View File

@ -11,8 +11,8 @@ var appleBooksTmpl string
//go:embed "templates/style.css.tmpl" //go:embed "templates/style.css.tmpl"
var styleTmpl string var styleTmpl string
//go:embed "templates/part.xhtml.tmpl" //go:embed "templates/title.xhtml.tmpl"
var partTmpl string var titleTmpl string
//go:embed "templates/text.xhtml.tmpl" //go:embed "templates/text.xhtml.tmpl"
var textTmpl string var textTmpl string

4
internal/epub/templates/blank.xhtml.tmpl
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@ -2,9 +2,9 @@
<!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 {{ .Image.Id }} Space</title> <title>{{ .Title }}</title>
<link href="style.css" type="text/css" rel="stylesheet"/> <link href="style.css" type="text/css" rel="stylesheet"/>
<meta name="viewport" content="width={{ .Info.ViewWidth }}, height={{ .Info.ViewHeight }}"/> <meta name="viewport" content="{{ .ViewPort }}"/>
</head> </head>
<body> <body>
</body> </body>

11
internal/epub/templates/style.css.tmpl
View File

@ -3,12 +3,11 @@ body {
background: #FFF; background: #FFF;
margin: 0; margin: 0;
padding: 0; padding: 0;
width: {{ .PageWidth }}px;
height: {{ .PageHeight }}px;
} }
img { div {
position: absolute; margin:0;
margin: 0; padding:0;
padding: 0;
top: 0;
left: 0;
} }

6
internal/epub/templates/text.xhtml.tmpl
View File

@ -2,13 +2,13 @@
<!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 {{ .Image.Id }}_p{{ .Image.Part}}</title> <title>{{ .Title }}</title>
<link href="style.css" type="text/css" rel="stylesheet"/> <link href="style.css" type="text/css" rel="stylesheet"/>
<meta name="viewport" content="width={{ .Info.ViewWidth }}, height={{ .Info.ViewHeight }}"/> <meta name="viewport" content="{{ .ViewPort }}"/>
</head> </head>
<body> <body>
<div> <div>
<img style="width:{{ .Image.Width }}px; height:{{ .Image.Height }}px; top:{{ .Top }}px" src="../Images/{{ .Image.Id }}_p{{ .Image.Part}}.jpg"/> <img style="{{ .ImageStyle }}" src="../{{ .ImagePath }}"/>
</div> </div>
</body> </body>
</html> </html>

0
internal/epub/templates/part.xhtml.tmpl → internal/epub/templates/title.xhtml.tmpl
View File