fpdf.py 文件源码

def _parsegif(self, filename):
        # Extract info from a GIF file (via PNG conversion)
        if Image is None:
            self.error('PIL is required for GIF support')
        try:
            im = Image.open(filename)
        except Exception, e:
            self.error('Missing or incorrect image file: %s. error: %s' % (filename, str(e)))
        else:
            # Use temporary file
            f = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
            tmp = f.name
            f.close()
            if "transparency" in im.info:
                im.save(tmp, transparency = im.info['transparency'])
            else:
                im.save(tmp)
            info = self._parsepng(tmp)
            os.unlink(tmp)
        return info