1 files changed, 52 insertions, 0 deletions
diff --git a/examples/cairo_snippets/snippets_png.py b/examples/cairo_snippets/snippets_png.py
new file mode 100755
index 0000000..b499c6c
--- /dev/null
+++ b/examples/cairo_snippets/snippets_png.py
@@ -0,0 +1,52 @@
+#!/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)