Mercurial > rinkhals

annotate regenerate-pngs.py @ 231:857040b211d5

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author Simon Cross <hodgestar@gmail.com>
date Fri, 04 Sep 2009 23:59:28 +0000
parents 87a58da53b17
children af19d6fdc1f8
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53960047c186 Script for generating .png images from .svg.
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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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6 from Image import open
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8 def svg_to_png(svg_name, png_name, w, h):
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9 """Convert an SVG file to a PNG file."""
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10 print "Generating %s at %dx%d..." % (png_name, w, h)
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11 r = rsvg.Handle(svg_name)
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13 scale = max(float(r.props.width) / w, float(r.props.height) / h)
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14 scale = 1.0 / scale
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16 r.props.dpi_x = r.props.dpi_x / scale
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17 r.props.dpi_y = r.props.dpi_y / scale
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18
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19 cs = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h)
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20 ctx = cairo.Context(cs)
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21 ctx.scale(scale, scale)
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22 r.render_cairo(ctx)
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23 cs.write_to_png(png_name)
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24
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25 def process_svg_folder(path, width, height):
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26 for dirpath, dirnames, filenames in os.walk(path):
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27 for filename in filenames:
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28 basename, ext = os.path.splitext(filename)
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29 if ext == ".svg":
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30 svg_name = os.path.join(dirpath, basename + ".svg")
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31 png_name = os.path.join(dirpath, basename + ".png")
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32 svg_to_png(svg_name, png_name, width, height)
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34 def process_sprite(name, width, height, sprite_path):
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35 svg_name = os.path.join(sprite_path, name) + ".svg"
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36 png_name = os.path.join(sprite_path, name) + ".png"
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37 svg_to_png(svg_name, png_name, width, height)
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39 def process_cursor(name, width, height, sprite_path, cursor_path):
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40 # We bounce through png to get something PIL understands
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41 svg_name = os.path.join(sprite_path, name) + '.svg'
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42 png_name = os.path.join(cursor_path, name) + '.png'
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43 xbm_name = os.path.join(cursor_path, name) + '.xbm'
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44 svg_to_png(svg_name, png_name, width, height)
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45 # We need to bounce through 'L' first to handle transparency OK
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46 pixeldata = open(png_name).convert('L')
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47 # Everything > 0 goes to white
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48 lut = [0] + [1]*255
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49 pixeldata.point(lut, mode='1').save(xbm_name)
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50 os.remove(png_name)
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51
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52 if __name__ == "__main__":
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53 tile_path = "data/tiles"
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54 sprite_path = "data/sprites"
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55 image_path = "data/images"
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56 cursor_path = "data/cursors"
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57 sprites = [
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58 ("chkn", 20, 20),
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59 ("select_chkn", 20, 20),
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60 ("chkn_death", 20, 20),
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61 ("egg", 20, 20),
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62 ("fox", 20, 20),
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63 ("fox_death", 20, 20),
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73e13216d7bb equipped weapons; ninja fox
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64 ("ninja_fox", 20, 20),
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87a58da53b17 sapper fox
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65 ("sapper_fox", 20, 20),
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66 ("equip_rifle", 20, 20),
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67 ("equip_knife", 20, 20),
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68 ("muzzle_flash", 20, 20),
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69 ("kevlar", 20, 20),
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70 ("helmet", 20, 20),
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71 ("henhouse", 60, 40),
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72 ("select_henhouse", 60, 40),
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03293bd45930 hedominium
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73 ("hendominium", 40, 60),
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74 ("select_hendominium", 40, 60),
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67f0346e5435 watchtower
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75 ("watchtower", 40, 40),
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76 ("select_watchtower", 40, 40),
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ab7063d7c5e5 better nest
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77 ("nest", 20, 20),
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00d609883252 egg equipment
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78 ("equip_egg", 20, 20),
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79 ]
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80
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81 cursors = [
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82 ("chkn", 16, 16),
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83 ("equip_knife", 16, 16),
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84 ("equip_rifle", 16, 16),
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85 ("egg", 16, 16),
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86 ]
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87
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88 process_svg_folder("data/tiles", 20, 20)
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89 process_svg_folder("data/icons", 40, 40)
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90 for name, width, height in sprites:
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91 process_sprite(name, width, height, sprite_path)
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92 process_sprite("splash", 800, 600, image_path)
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93 process_sprite("gameover_win", 800, 600, image_path)
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94 process_sprite("gameover_lose", 800, 600, image_path)
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95 for name, width, height in cursors:
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96 process_cursor(name, width, height, sprite_path, cursor_path)