diff options
| -rw-r--r-- | README | 4 | ||||
| -rw-r--r-- | src/Text/Pandoc/Writers/EPUB.hs | 53 | ||||
| -rw-r--r-- | src/pandoc.hs | 12 |
3 files changed, 59 insertions, 10 deletions
@@ -379,6 +379,10 @@ Options user data directory (see `--data-dir`, below). If it is not found there, sensible defaults will be used. +`--epub-cover-image=`*FILE* +: Use the specified image as the EPUB cover. It is recommended + that the image be less than 1000px in width and height. + `--epub-metadata=`*FILE* : Look in the specified XML file for metadata for the EPUB. The file should contain a series of Dublin Core elements, diff --git a/src/Text/Pandoc/Writers/EPUB.hs b/src/Text/Pandoc/Writers/EPUB.hs index c0cc815d4..18f08fc6c 100644 --- a/src/Text/Pandoc/Writers/EPUB.hs +++ b/src/Text/Pandoc/Writers/EPUB.hs @@ -46,22 +46,40 @@ import Text.Pandoc.UUID import Text.Pandoc.Writers.HTML import Text.Pandoc.Writers.Markdown ( writePlain ) import Data.Char ( toLower ) +import System.Directory ( copyFile ) -- | Produce an EPUB file from a Pandoc document. -writeEPUB :: Maybe String -- ^ EPUB stylesheet specified at command line +writeEPUB :: Maybe FilePath -- ^ Path of cover image + -> Maybe String -- ^ EPUB stylesheet specified at command line -> WriterOptions -- ^ Writer options -> Pandoc -- ^ Document to convert -> IO B.ByteString -writeEPUB mbStylesheet opts doc@(Pandoc meta _) = do +writeEPUB mbCoverImage mbStylesheet opts doc@(Pandoc meta _) = do (TOD epochtime _) <- getClockTime let mkEntry path content = toEntry path epochtime content let opts' = opts{ writerEmailObfuscation = NoObfuscation , writerStandalone = True , writerWrapText = False } let sourceDir = writerSourceDirectory opts' + let vars = writerVariables opts' + + -- cover page + (cpgEntry, cpicEntry) <- + case mbCoverImage of + Nothing -> return ([],[]) + Just img -> do + let coverImage = "cover-image" ++ takeExtension img + copyFile img coverImage + let cpContent = fromString $ writeHtmlString + opts'{writerTemplate = pageTemplate + ,writerVariables = + ("coverimage",coverImage):vars} + (Pandoc meta []) + imgContent <- B.readFile img + return ( [mkEntry "cover.xhtml" cpContent] + , [mkEntry coverImage imgContent] ) -- title page - let vars = writerVariables opts' let tpContent = fromString $ writeHtmlString opts'{writerTemplate = pageTemplate ,writerVariables = ("titlepage","yes"):vars} @@ -124,10 +142,14 @@ writeEPUB mbStylesheet opts doc@(Pandoc meta _) = do , unode "item" ! [("id","style"), ("href","stylesheet.css") ,("media-type","text/css")] $ () ] ++ - map chapterNode (tpEntry : chapterEntries) ++ - map pictureNode picEntries + map chapterNode (cpgEntry ++ (tpEntry : chapterEntries)) ++ + map pictureNode (cpicEntry ++ picEntries) , unode "spine" ! [("toc","ncx")] $ - map chapterRefNode (tpEntry : chapterEntries) + case mbCoverImage of + Nothing -> [] + Just _ -> [ unode "itemref" ! + [("idref", "cover"),("linear","no")] $ () ] + ++ map chapterRefNode (tpEntry : chapterEntries) ] let contentsEntry = mkEntry "content.opf" contentsData @@ -142,7 +164,7 @@ writeEPUB mbStylesheet opts doc@(Pandoc meta _) = do let tocData = fromString $ ppTopElement $ unode "ncx" ! [("version","2005-1") ,("xmlns","http://www.daisy.org/z3986/2005/ncx/")] $ - [ unode "head" + [ unode "head" $ [ unode "meta" ! [("name","dtb:uid") ,("content", show uuid)] $ () , unode "meta" ! [("name","dtb:depth") @@ -151,7 +173,10 @@ writeEPUB mbStylesheet opts doc@(Pandoc meta _) = do ,("content", "0")] $ () , unode "meta" ! [("name","dtb:maxPageNumber") ,("content", "0")] $ () - ] + ] ++ case mbCoverImage of + Nothing -> [] + Just _ -> [unode "meta" ! [("name","cover"), + ("content","cover-image")] $ ()] , unode "docTitle" $ unode "text" $ plainTitle , unode "navMap" $ zipWith3 navPointNode (tpEntry : chapterEntries) [1..(length chapterEntries + 1)] @@ -181,7 +206,8 @@ writeEPUB mbStylesheet opts doc@(Pandoc meta _) = do -- construct archive let archive = foldr addEntryToArchive emptyArchive (mimetypeEntry : containerEntry : stylesheetEntry : tpEntry : - contentsEntry : tocEntry : (picEntries ++ chapterEntries) ) + contentsEntry : tocEntry : + (picEntries ++ cpicEntry ++ cpgEntry ++ chapterEntries) ) return $ fromArchive archive metadataElement :: String -> UUID -> String -> String -> [String] -> Element @@ -266,9 +292,17 @@ pageTemplate = unlines , "<html xmlns=\"http://www.w3.org/1999/xhtml\">" , "<head>" , "<title>$title$</title>" + , "$if(coverimage)$" + , "<style type=\"text/css\">img{ max-width: 100%; }</style>" + , "$endif$" , "<link href=\"stylesheet.css\" type=\"text/css\" rel=\"stylesheet\" />" , "</head>" , "<body>" + , "$if(coverimage)$" + , "<div id=\"cover-image\">" + , "<img src=\"$coverimage$\" alt=\"$title$\" />" + , "</div>" + , "$else$" , "$if(titlepage)$" , "<h1 class=\"title\">$title$</h1>" , "$for(author)$" @@ -279,6 +313,7 @@ pageTemplate = unlines , "$if(toc)$" , "$toc$" , "$endif$" + , "$endif$" , "$body$" , "$endif$" , "</body>" diff --git a/src/pandoc.hs b/src/pandoc.hs index 27e4579aa..38ce27502 100644 --- a/src/pandoc.hs +++ b/src/pandoc.hs @@ -107,6 +107,7 @@ data Opt = Opt , optHTMLMathMethod :: HTMLMathMethod -- ^ Method to print HTML math , optReferenceODT :: Maybe FilePath -- ^ Path of reference.odt , optEPUBStylesheet :: Maybe String -- ^ EPUB stylesheet + , optEPUBCoverImage :: Maybe FilePath -- ^ Path of epub cover image , optEPUBMetadata :: String -- ^ EPUB metadata , optDumpArgs :: Bool -- ^ Output command-line arguments , optIgnoreArgs :: Bool -- ^ Ignore command-line arguments @@ -151,6 +152,7 @@ defaultOpts = Opt , optHTMLMathMethod = PlainMath , optReferenceODT = Nothing , optEPUBStylesheet = Nothing + , optEPUBCoverImage = Nothing , optEPUBMetadata = "" , optDumpArgs = False , optIgnoreArgs = False @@ -490,6 +492,13 @@ options = "FILENAME") "" -- "Path of epub.css" + , Option "" ["epub-cover-image"] + (ReqArg + (\arg opt -> + return opt { optEPUBCoverImage = Just arg }) + "FILENAME") + "" -- "Path of epub cover image" + , Option "" ["epub-metadata"] (ReqArg (\arg opt -> do @@ -674,6 +683,7 @@ main = do , optHTMLMathMethod = mathMethod , optReferenceODT = referenceODT , optEPUBStylesheet = epubStylesheet + , optEPUBCoverImage = epubCoverImage , optEPUBMetadata = epubMetadata , optDumpArgs = dumpArgs , optIgnoreArgs = ignoreArgs @@ -858,7 +868,7 @@ main = do case lookup writerName' writers of Nothing | writerName' == "epub" -> - writeEPUB epubStylesheet writerOptions doc2 + writeEPUB epubCoverImage epubStylesheet writerOptions doc2 >>= B.writeFile (encodeString outputFile) Nothing | writerName' == "odt" -> writeODT referenceODT writerOptions doc2 |