blob: b499c6cfbe0c8eec61b2733e443367862a52a2a8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#!/usr/bin/env python
"""Python version of cairo-demo/cairo_snippets/cairo_snippets_png.c
"""
from __future__ import division
from math import pi as M_PI # used by many snippets
import sys
import cairo
if not cairo.HAS_PNG_FUNCTIONS:
raise SystemExit ('cairo was not compiled with PNG support')
from snippets import snip_list, snippet_normalize
width, height = 256, 256 # used by snippet_normalize()
def do_snippet (snippet):
if verbose_mode:
print 'processing %s' % snippet,
surface = cairo.ImageSurface (cairo.FORMAT_ARGB32, width, height)
cr = cairo.Context (surface)
cr.save()
try:
execfile ('snippets/%s.py' % snippet, globals(), locals())
except:
# exc_type, exc_value = sys.exc_info()[:2]
# print >> sys.stderr, exc_type, exc_value
raise
else:
cr.restore()
surface.write_to_png ('snippets/%s.png' % snippet)
if verbose_mode:
print
if __name__ == '__main__':
verbose_mode = True
if len(sys.argv) > 1 and sys.argv[1] == '-s':
verbose_mode = False
del sys.argv[1]
if len(sys.argv) > 1: # do specified snippets
snippet_list = sys.argv[1:]
else: # do all snippets
snippet_list = snip_list
for s in snippet_list:
do_snippet (s)
|
