use cover.png instead of cover.jpg for cover image; increase cover im…

…age size
cogentcore · Aug 23, 2024 · 2cf1cd2 · 2cf1cd2
1 parent 53ea508
commit 2cf1cd2
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Showing 5 changed files with 13 additions and 14 deletions.
diff --git a/author/README.md b/author/README.md
@@ -33,7 +33,7 @@ The style of the references is determined by the `csl` property in the `metadata
 You must use specific file names to indicate the functionality and ordering of the content within the book, as follows, with [] indicating optional files:
 
 * `metadata.yaml`: pandoc metadata with various important options.
-* `cover.jpg`: cover image
+* `cover.png`: cover image
 * `frontmatter.md`: with copyright, dedication, foreward, preface, prologue sections.
 * `chapter-*.md` chapters, using 01 etc numbering to put in order.
 * `endmatter.md`: includes epilogue, acknowledgements, author

diff --git a/author/book/book.cosh b/author/book/book.cosh
@@ -30,7 +30,7 @@ var (
 // following required file names (with [] indicating optional files):
 //
 //	- metadata.yaml: pandoc metadata with various important options
-// - cover.jpg: cover image
+//	- cover.png: cover image
 //	- frontmatter.md: with copyright, dedication, foreward, preface, prologue sections.
 //	- chapter-*.md: chapters, using 01 etc numbering to put in order.
 //	- endmatter.md: includes epilogue, acknowledgements, author
@@ -116,16 +116,16 @@ func (bk *BookData) HTML(mdfn string) error {
 	trg := bk.Name + ".html"
 
 	cover := bk.pdi("cover_page.html")
-	img, _, err := imagex.Open("cover.jpg")
+	img, _, err := imagex.Open("cover.png")
 	if err != nil {
 		return errors.Log(err)
 	}
-	imgb64, _ := imagex.ToBase64JPG(img)
+	imgb64, _ := imagex.ToBase64PNG(img)
 	f, err := os.Create(cover)
 	if errors.Log(err); err != nil {
 		return err
 	}
-	f.Write([]byte("<div id=\"cover-image\">\n<img src=\"data:image/jpg;base64,"))
+	f.Write([]byte("<div id=\"cover-image\">\n<img src=\"data:image/png;base64,"))
 	f.Write(imgb64)
 	f.Write([]byte("\"/>\n</div>\n"))
 	f.Close()
@@ -171,7 +171,7 @@ func (bk *BookData) EPUB(mdfn string) error {
 	fmt.Fprintf(f, "<dc:identifier id=\"BookId\" opf:scheme=%q>%s</dc:identifier>\n", md["identifier_scheme"], md["identifier"])
 	f.Close()
 
-	pandoc -f {mdopts} --lua-filter {bk.pdi("glossary-filter.lua")} -F pandoc-crossref --citeproc --bibliography references.bib -t epub --standalone --embed-resources --number-sections --css {bk.pdi("epub.css")} --epub-metadata {emd} --epub-cover-image "cover.jpg" -o {trg} {mdfn}
+	pandoc -f {mdopts} --lua-filter {bk.pdi("glossary-filter.lua")} -F pandoc-crossref --citeproc --bibliography references.bib -t epub --standalone --embed-resources --number-sections --css {bk.pdi("epub.css")} --epub-metadata {emd} --epub-cover-image "cover.png" -o {trg} {mdfn}
 	return nil
 }
 

diff --git a/author/book/book.go b/author/book/book.go
diff --git a/author/book/pandoc-inputs/cover-page.latex b/author/book/pandoc-inputs/cover-page.latex
@@ -1,4 +1,4 @@
 \begin{center}
-\includegraphics[width=5in]{cover.jpg}
+\includegraphics[width=8.5in]{cover.png}
 \end{center}
 
diff --git a/author/book/typegen.go b/author/book/typegen.go