übernahme Code Shortcut

scripts/make-ico.py

@@ -0,0 +1,114 @@
+#! /usr/bin/env python
+
+"""
+make-ico.py
+
+LICENSE: This program is put into the public domain by James Stroud, 2008.
+"""
+
+import sys
+import os
+import base64
+
+win16map = """\
+UDYKMTYgMQoyNTUKAAAAgAAAAP//AP8AwMDAAICA/wD//wAAgICAAACAgACA//////8AAIAAgIAA
+AAD/
+"""
+
+def err(msg):
+  sys.stderr.write("%s\n" % msg)
+
+def usage(err_msg=None):
+  if err_msg is not None:
+    err("\n** ERROR **: %s\n" % err_msg)
+  progname = os.path.basename(sys.argv[0])
+  err("usage: python %s imagefile\n" % progname)
+  sys.exit()
+
+
+def main():
+  try:
+    png_file = sys.argv[1]
+  except IndexError:
+    usage('No image file given.')
+
+  if not os.path.exists(png_file):
+    usage('The image file given (%s) does not exist.' % png_file)
+
+  png_base, extension = os.path.basename(png_file).rsplit('.', 1)
+
+
+  to_delete = []
+
+  sizes = [48, 32, 24, 16]
+  depths = [4, 8, 24]
+
+  # these commands are redundant at this point
+  # however, if this is generalized, this will need to be done
+  # to ensure the final .ico file is created correctly
+  sizes.sort(reverse=True)
+  depths.sort()
+
+  to_map = {}
+  for size in sizes:
+    name_args = (png_base, size, size)
+    resized_base = "%s-%02dx%02d" % name_args
+    resized_name = "%s.png" % resized_base
+    resize_args = (png_file, size, size, resized_name)
+    command = 'convert %s -resize %dx%d %s' % resize_args
+    err(command)
+    os.system(command)
+    to_map[size] = resized_base
+    to_delete.append(resized_name)
+
+  ico_parts = []
+  for depth in depths:
+    for size in sizes:
+      resized_base = to_map[size]
+      resized_name = "%s.png" % resized_base
+      redepthed_base = "%s-%02d" % (resized_base, depth)
+      redepthed_name = "%s.pnm" % redepthed_base
+      redepth_args = (depth, resized_name, redepthed_name)
+      if depth >= 8:
+        command = "convert -depth %d %s %s" % redepth_args
+      else:
+        command = "convert %s %s" % (resized_name, redepthed_name)
+      err(command)
+      os.system(command)
+      to_delete.append(redepthed_name)
+      map_base = "%s-%02d" % (resized_base, depth)
+      map_name = "%s.pam" % map_base
+      if depth >= 8:
+        colors = 256
+        map_args = (colors, redepthed_name, map_name)
+        command = "pnmcolormap %d %s > %s" % map_args
+        err(command)
+        os.system(command)
+      else:
+        # for the < 8 bit images, we don't need to calculate the map
+        open(map_name, 'wb').write(base64.decodestring(win16map))
+      to_delete.append(map_name)
+      remapped_base = map_base
+      remapped_name = "%s.ppm" % remapped_base
+      remap_args = (map_name, redepthed_name, remapped_name)
+      command = "pnmremap -mapfile=%s -fs %s > %s" % remap_args
+      err(command)
+      os.system(command)
+      to_delete.append(remapped_name)
+      ico_parts.append(remapped_name)
+
+
+  icon_names = " ".join(ico_parts)
+  icon_name = "%s.ico" % png_base
+  icon_args = (icon_names, icon_name)
+
+  command = 'ppmtowinicon %s --output %s' % icon_args
+  err(command)
+  os.system(command)
+
+  err("rm %s" % " ".join(to_delete))
+  for p in to_delete:
+    os.remove(p)
+
+if __name__ == "__main__":
+  main()