cairo clock svg convert script

convert_rsvg.py

#!/usr/bin/env python

import cairo
from gi.repository import Rsvg

scales = {
        'antique': 1.26,
        'default': 1.1,
        'fdo': 1.25,
        'funky': 1.2,
        'glassy': 1.0,
        'gremlin': 1.0,
        'ipulse': 1.2,
        'radium': 1.19,
        'silvia': 1.15,
        'simple': 1.27,
        'tango': 1.27,
        'zen': 1.27,
}

def convert_rsvg(theme, filename, outfile, size):
    basename = os.path.basename(filename)
    scale = scales[theme]

    width, height = size, size
    handle = Rsvg.Handle.new_from_file(filename)
    d = handle.get_dimensions()
    surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height)
    cr = cairo.Context(surface)

    cr.translate((1 - scale) * width /2.0,
            (1 - scale) * height /2.0)

    cr.save()
    cr.scale(scale * width/d.width, scale * height/d.height)
    if 'hand' in basename:
        cr.translate(d.width/2, d.height/2)
    handle.render_cairo(cr)
    cr.restore()

    surface.write_to_png(outfile)

if __name__ == '__main__':
    import sys, os, glob
    source = sys.argv[1]
    out = sys.argv[2]
    scale = int(sys.argv[3])

    out = os.path.join(out, 'res', 'drawable-hdpi')

    if not os.path.isdir(out):
        os.makedirs(out)

    for filename in glob.glob(os.path.join(source, '*/*.svg')):
        basename = filename[len(source):]
        if basename.startswith('/'):
            basename = basename[1:]
        theme, basename = basename.split('/')
        if theme.endswith('24'): continue
        basename = basename.replace('.svg', '.png')
        outname = theme.replace('-', '_') + '_' + basename.replace('-', '_')

        outname = os.path.join(out, outname)

        convert_rsvg(theme, filename, outname, scale)