base 64 encode image in ie7 and under

本文探讨了MHTML格式及Data URI在Internet Explorer 7及其更早版本中的使用方法与实例,为解决老旧浏览器中资源加载问题提供了解决方案。
原文
[url]http://www.phpied.com/mhtml-when-you-need-data-uris-in-ie7-and-under/[/url]
例子
[url]http://phpied.com/files/mhtml/mhtml.html[/url]
#!/usr/bin/python # Copyright 2011 Anthony Tong <atong@trustedcs.com> # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """ tool to preconvert an icon file to a x11 property as expected by ewm hints spec: width, length, [argb pixels] """ import PIL import PIL.Image import os import sys def usage(): return 1 def main(argv): if len(argv) != 3: return usage() im = PIL.Image.open(argv[1]) if im.mode != "RGBA": tmpImage = os.path.basename(argv[1]) if tmpImage.endswith('.png'): tmpImage = tmpImage[:-4] im.convert("RGBA").save("%s_tmp.png" % tmpImage) im = PIL.Image.open("%s_tmp.png" % tmpImage) var_name = os.path.basename(argv[2]) if var_name.endswith('.h'): var_name = var_name[:-2] fp = open(argv[2], 'w') fp.write("static unsigned long %s_prop [] = {\n" % var_name) fp.write(" %d, %d\n" % im.size) i = 0 for pixel in im.getdata(): r,g,b,a = pixel pixel = b pixel |= g << 8 pixel |= r << 16 pixel |= a << 24 fp.write(" , %du" % pixel) i += 1 if i % 8 == 0: fp.write("\n") fp.write("};\n") if __name__ == '__main__': sys.exit(main(sys.argv)) 这个生成的文件如何返回图标
07-29
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