thomir · December 21, 2013 22:21 · Dec 21, 2013
diff --git a/svg2png.py b/svg2png.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python
+
+"""Convert an SVG file to a PNG file."""
+
+from argparse import ArgumentParser
+import subprocess
+import os.path
+
+
+def main():
+    args = parse_args()
+    if not args.out:
+        args.out = os.path.splitext(args.file)[0] + '.png'
+    convert_with_rsvg(args)
+
+
+def convert_with_cairosvg_simple(args):
+    # import cairocffi as cairo
+    from cairosvg import svg2png
+    svg2png(open(args.file, 'rb').read(), write_to=open(args.out, 'wb'))
+
+
+def convert_with_cairosvg_sizes(args):
+    from cairosvg.surface import PNGSurface
+    width, height = args.size.split('x')
+    with open(args.file, 'rb') as svg_file:
+        PNGSurface.convert(
+            bytestring=svg_file.read(),
+            width=width,
+            height=height,
+            write_to=open(args.out, 'wb')
+            )
+
+def convert_with_rsvg(args):
+    import cairo
+    import rsvg
+
+    width, height = args.size.split('x')
+    img =  cairo.ImageSurface(cairo.FORMAT_ARGB32, int(width), int(height))
+    ctx = cairo.Context(img)
+    handler= rsvg.Handle(args.file)
+    handler.render_cairo(ctx)
+    img.write_to_png(args.out)
+
+
+def convert_with_inkscape(args):
+    try:
+        inkscape_path = subprocess.check_output(["which", "inkscape"]).strip()
+    except subprocess.CalledProcessError:
+        print("ERROR: You need inkscape installed to use this script.")
+        exit(1)
+
+    export_width, export_height = args.size.split('x')
+
+    args = [
+        inkscape_path,
+        "--without-gui",
+        "-f", args.file,
+        "--export-area-page",
+        "-w", export_width,
+        "-h", export_height,
+        "--export-png=" + args.out
+    ]
+    print(args)
+    subprocess.check_call(args)
+
+
+def parse_args():
+    parser = ArgumentParser()
+    parser.add_argument('-f', '--file', required=True, help="SVG file to open")
+    parser.add_argument('-s', '--size', required=True, help="target size to render")
+    parser.add_argument('-o', '--out', help="Destination file")
+    return parser.parse_args()
+
+
+if __name__ == '__main__':
+    main()
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