Mercurial > rinkhals

annotate regenerate-pngs.py @ 33:c8436f1752d7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add special handling for different sized sprites.
author Simon Cross <hodgestar@gmail.com>
date Sun, 30 Aug 2009 19:05:31 +0000
parents 53960047c186
children 030bea282f28
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
18
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
1 #!/usr/bin/env python
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
2
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
3 import cairo
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
4 import rsvg
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
5 import os
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
6
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
7 def svg_to_png(svg_name, png_name, w, h):
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
8 """Convert an SVG file to a PNG file."""
33
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
9 print "Generating %s at %dx%d..." % (png_name, w, h)
18
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
10 r = rsvg.Handle(svg_name)
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
11
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
12 scale = max(float(r.props.width) / w, float(r.props.height) / h)
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
13 scale = 1.0 / scale
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
14
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
15 r.props.dpi_x = r.props.dpi_x / scale
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
16 r.props.dpi_y = r.props.dpi_y / scale
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
17
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
18 cs = cairo.ImageSurface(cairo.FORMAT_ARGB32, w, h)
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
19 ctx = cairo.Context(cs)
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
20 ctx.scale(scale, scale)
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
21 r.render_cairo(ctx)
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
22 cs.write_to_png(png_name)
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
23
33
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
24 def process_svg_folder(path, width, height):
18
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
25 for dirpath, dirnames, filenames in os.walk(path):
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
26 for filename in filenames:
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
27 basename, ext = os.path.splitext(filename)
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
28 if ext == ".svg":
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
29 svg_name = os.path.join(dirpath, basename + ".svg")
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
30 png_name = os.path.join(dirpath, basename + ".png")
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
31 svg_to_png(svg_name, png_name, width, height)
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
32
33
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
33 def process_sprite(name, width, height, sprite_path):
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
34 svg_name = os.path.join(sprite_path, name) + ".svg"
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
35 png_name = os.path.join(sprite_path, name) + ".png"
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
36 svg_to_png(svg_name, png_name, width, height)
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
37
18
53960047c186 Script for generating .png images from .svg.
Simon Cross <hodgestar@gmail.com>
parents:
diff changeset
38 if __name__ == "__main__":
33
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
39 tile_path = "data/tiles"
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
40 sprite_path = "data/sprites"
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
41 sprites = [
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
42 ("chkn", 20, 20),
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
43 ("fox", 20, 20),
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
44 ("henhouse", 60, 40),
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
45 ]
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
46
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
47 process_svg_folder("data/tiles", 20, 20)
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
48 for name, width, height in sprites:
c8436f1752d7 Add special handling for different sized sprites.
Simon Cross <hodgestar@gmail.com>
parents: 18
diff changeset
49 process_sprite(name, width, height, sprite_path)