Mercurial > rinkhals

annotate regenerate-pngs.py @ 81:8a46055c7d08

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regenerate icons as well
author Neil Muller <drnlmuller@gmail.com>
date Tue, 01 Sep 2009 13:09:52 +0000
parents 67f0346e5435
children c74849c923db
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53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
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1 #!/usr/bin/env python
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2
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3 import cairo
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4 import rsvg
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5 import os
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7 def svg_to_png(svg_name, png_name, w, h):
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8 """Convert an SVG file to a PNG file."""
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9 print "Generating %s at %dx%d..." % (png_name, w, h)
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10 r = rsvg.Handle(svg_name)
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12 scale = max(float(r.props.width) / w, float(r.props.height) / h)
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13 scale = 1.0 / scale
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15 r.props.dpi_x = r.props.dpi_x / scale
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16 r.props.dpi_y = r.props.dpi_y / scale
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17
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18 cs = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h)
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19 ctx = cairo.Context(cs)
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20 ctx.scale(scale, scale)
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21 r.render_cairo(ctx)
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22 cs.write_to_png(png_name)
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24 def process_svg_folder(path, width, height):
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25 for dirpath, dirnames, filenames in os.walk(path):
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26 for filename in filenames:
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27 basename, ext = os.path.splitext(filename)
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28 if ext == ".svg":
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29 svg_name = os.path.join(dirpath, basename + ".svg")
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30 png_name = os.path.join(dirpath, basename + ".png")
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31 svg_to_png(svg_name, png_name, width, height)
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32
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33 def process_sprite(name, width, height, sprite_path):
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34 svg_name = os.path.join(sprite_path, name) + ".svg"
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35 png_name = os.path.join(sprite_path, name) + ".png"
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36 svg_to_png(svg_name, png_name, width, height)
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38 if __name__ == "__main__":
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39 tile_path = "data/tiles"
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40 sprite_path = "data/sprites"
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41 sprites = [
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42 ("chkn", 20, 20),
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43 ("egg", 20, 20),
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44 ("fox", 20, 20),
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45 ("henhouse", 60, 40),
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67f0346e5435 watchtower
Adrianna Pińska <adrianna.pinska@gmail.com>
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46 ("watchtower", 40, 40),
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47 ]
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49 process_svg_folder("data/tiles", 20, 20)
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8a46055c7d08 regenerate icons as well
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50 process_svg_folder("data/icons", 40, 40)
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51 for name, width, height in sprites:
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52 process_sprite(name, width, height, sprite_path)