Created
December 21, 2013 22:21
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Various ways to convert SVG -> PNG
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| #!/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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