Convert svg images to png in ebook

1 files changed, 29 insertions, 0 deletions

diff --git a/lib/utils/images.js b/lib/utils/images.js
new file mode 100644
index 0000000..5a39927
--- /dev/null
+++ b/lib/utils/images.js
@@ -0,0 +1,29 @@
+var _ = require("lodash");
+var Q = require("q");
+var fs = require("fs");
+var gm = require("gm");
+
+
+var convert = function(source, dest, options) {
+	var d = Q.defer();
+	options = _.defaults(options || {}, {
+		resize: null
+	});
+
+	var img = gm(source)
+	.options({
+		imageMagick: true
+	});
+
+	if (options.resize)  img = img.resize(options.resize.w, options.resize.h);
+
+	img.noProfile()
+	.write(dest, d.makeNodeResolver());
+
+	return d.promise;
+};
+
+module.exports = {
+	convert: convert,
+	INVALID: [".svg"]
+};