Convert inline svg as png if needed

This commit is contained in:
Samy Pessé
2015-01-29 18:16:23 +01:00
parent c8e72092c7
commit 5fc0c6b507
4 changed files with 53 additions and 6 deletions
+6 -1
View File
@@ -75,6 +75,11 @@ var TemplateEngine = function(book) {
// Bind methods
_.bindAll(this);
// Default block "html" that return html not parsed
this.addBlock("html", {
process: _.identity
});
};
// Process a block in a context
@@ -291,7 +296,7 @@ TemplateEngine.prototype.addBlock = function(name, block) {
TemplateEngine.prototype._applyShortcut = function(parser, content, shortcut) {
if (!_.contains(shortcut.parsers, parser)) return content;
var regex = new RegExp(
stringUtils.escapeRegex(shortcut.start) + "\\s*([\\s\\S]*?[^\\$])\\s*" + stringUtils.escapeRegex(shortcut.end),
stringUtils.escapeRegex(shortcut.start) + "([\\s\\S]*?[^\\$])" + stringUtils.escapeRegex(shortcut.end),
'g'
);
return content.replace(regex, function(all, match) {
+36 -3
View File
@@ -67,10 +67,30 @@ function pregQuote( str ) {
function normalizeHtml(src, options) {
var $ = cheerio.load(src, { xmlMode: true});
var toConvert = [];
var svgContent = {};
var outputRoot = options.book.options.output;
imgConversionCache[outputRoot] = imgConversionCache[outputRoot] || {};
// Find svg images to extract and process
if (options.convertImages) {
$("svg").each(function() {
var content = $.html($(this), { xmlMode: true});
var svgId = _.uniqueId("svg");
var dest = svgId+".svg";
// Generate filename
dest = path.resolve(outputRoot, dest);
dest = fs.getUniqueFilename(dest);
dest = "/"+path.relative(outputRoot, dest);
svgContent[dest] = content;
$(this).replaceWith($("<img>").attr("src", dest));
});
}
// Find images to normalize
$("img").each(function() {
var src = $(this).attr("src");
var isExternal = links.isExternal(src);
@@ -119,6 +139,7 @@ function normalizeHtml(src, options) {
// Push to convert
toConvert.push({
content: svgContent[srcAbs],
source: isExternal? srcAbs : path.join("./", srcAbs),
dest: path.join("./", dest)
});
@@ -178,13 +199,25 @@ function normalizeHtml(src, options) {
// Convert svg images to png
function convertImages(images, options) {
if (!options.convertImages) return Q();
options.book.log.info.ln("convert ", images.length, "images to png");
return _.reduce(images, function(prev, image) {
return prev.then(function() {
var imgin = links. isExternal(image.source)? image.source : path.resolve(options.book.options.output, image.source);
var imgout = path.resolve(options.book.options.output, image.dest);
var imgin = links. isExternal(image.source)? image.source : path.resolve(options.book.options.output, image.source);
var imgout = path.resolve(options.book.options.output, image.dest);
return prev
// Write svg if content
.then(function() {
if (!image.content) return;
return fs.writeFile(imgin, image.content);
})
// Convert
.then(function(){
options.book.log.debug("convert image", image.source, "to", image.dest, "...");
return imgUtils.convertSVG(imgin, imgout)
+1
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@@ -27,6 +27,7 @@ describe('eBook Generator', function () {
assert(pageContent.indexOf('src="../test.png"') >= 0);
assert(pageContent.indexOf('src="../NewTux.png"') >= 0);
assert(pageContent.indexOf('<svg') < 0);
assert(readmeContent.indexOf('src="test.png"') >= 0);
assert(readmeContent.indexOf('src="NewTux.png"') >= 0);
+10 -2
View File
@@ -1,5 +1,13 @@
##
![test image to be converted](../test.svg)
![test url](http://upload.wikimedia.org/wikipedia/commons/b/b0/NewTux.svg)
![test image to be converted, second use](../test.svg)
## Inline svg
{% html %}
<svg width="400" height="110">
<rect width="300" height="100" style="fill:rgb(0,0,255);stroke-width:3;stroke:rgb(0,0,0)">
</svg>
{% endhtml %}