except KeyError:
raise IOError, "cannot write mode %s as JPEG" % im.mode
# get keyword arguments
im.encoderconfig = (_fetch(im.encoderinfo, "quality", 0),
im.encoderinfo.has_key("progressive"),
_fetch(im.encoderinfo, "smooth", 0),
im.encoderinfo.has_key("optimize"),
_fetch(im.encoderinfo, "streamtype", 0))
ImageFileH._save(im, fp, [("jpeg", (0,0)+im.size, 0, rawmode)])
def _save_hack(im, fp, filename):
# ALTERNATIVE: handle JPEGs via the IJG command line utilities.
import os
file = im._dump()
os.system("cjpeg %s >%s" % (file, filename))
try: os.unlink(file)
except: pass
# -------------------------------------------------------------------q-
# Registry stuff
ImageH.register_open("JPEG", JpegImageFile, _accept)
ImageH.register_save("JPEG", _save)
ImageH.register_extension("JPEG", ".jfif")
ImageH.register_extension("JPEG", ".jpe")
ImageH.register_extension("JPEG", ".jpg")
ImageH.register_extension("JPEG", ".jpeg")
ImageH.register_mime("JPEG", "image/jpeg")
except KeyError:
raise IOError, "cannot write mode %s as JPEG" % im.mode
# get keyword arguments
im.encoderconfig = (_fetch(im.encoderinfo, "quality", 0),
im.encoderinfo.has_key("progressive"),
_fetch(im.encoderinfo, "smooth", 0),
im.encoderinfo.has_key("optimize"),
_fetch(im.encoderinfo, "streamtype", 0))
ImageFileH._save(im, fp, [("jpeg", (0,0)+im.size, 0, rawmode)])
def _save_hack(im, fp, filename):
# ALTERNATIVE: handle JPEGs via the IJG command line utilities.
import os
file = im._dump()
os.system("cjpeg %s >%s" % (file, filename))
try: os.unlink(file)
except: pass
# -------------------------------------------------------------------q-
# Registry stuff
ImageH.register_open("JPEG", JpegImageFile, _accept)
ImageH.register_save("JPEG", _save)
ImageH.register_extension("JPEG", ".jfif")
ImageH.register_extension("JPEG", ".jpe")
ImageH.register_extension("JPEG", ".jpg")
ImageH.register_extension("JPEG", ".jpeg")
ImageH.register_mime("JPEG", "image/jpeg")
o16(offset[0]) + # offset
o16(offset[1]) +
o16(im.size[0]) + # size
o16(im.size[1]) +
chr(0) + # flags
chr(8)) # bits
ImageFileH._save(im, fp, [("gif", (0,0)+im.size, 0, RAWMODE[im.mode])])
fp.write("\0") # end of image data
finally:
del im.encoderinfo
return fp.data
# --------------------------------------------------------------------
# Registry
ImageH.register_open(GifImageFile.format, GifImageFile, _accept)
ImageH.register_save(GifImageFile.format, _save)
ImageH.register_extension(GifImageFile.format, ".gif")
ImageH.register_mime(GifImageFile.format, "image/gif")
#
# Uncomment the following line if you wish to use NETPBM/PBMPLUS
# instead of the built-in "uncompressed" GIF encoder
# Image.register_save(GifImageFile.format, _save_netpbm)
# local image header
fp.write("," + o16(offset[0]) + # offset
o16(offset[1]) + o16(im.size[0]) + # size
o16(im.size[1]) + chr(0) + # flags
chr(8)) # bits
ImageFileH._save(im, fp,
[("gif", (0, 0) + im.size, 0, RAWMODE[im.mode])])
fp.write("\0") # end of image data
finally:
del im.encoderinfo
return fp.data
# --------------------------------------------------------------------
# Registry
ImageH.register_open(GifImageFile.format, GifImageFile, _accept)
ImageH.register_save(GifImageFile.format, _save)
ImageH.register_extension(GifImageFile.format, ".gif")
ImageH.register_mime(GifImageFile.format, "image/gif")
#
# Uncomment the following line if you wish to use NETPBM/PBMPLUS
# instead of the built-in "uncompressed" GIF encoder
# Image.register_save(GifImageFile.format, _save_netpbm)
pass
def append(self, chunk):
self.data.append(chunk)
def append(fp, cid, *data):
data = string.join(data, "")
hi, lo = ImageH.core.crc32(data, ImageH.core.crc32(cid))
crc = o16(hi) + o16(lo)
fp.append((cid, data, crc))
fp = collector()
try:
im.encoderinfo = params
_save(im, fp, None, append)
finally:
del im.encoderinfo
return fp.data
# --------------------------------------------------------------------
# Registry
ImageH.register_open("PNG", PngImageFile, _accept)
ImageH.register_save("PNG", _save)
ImageH.register_extension("PNG", ".png")
ImageH.register_mime("PNG", "image/png")
def append(self, chunk):
self.data.append(chunk)
def append(fp, cid, *data):
data = string.join(data, "")
hi, lo = ImageH.core.crc32(data, ImageH.core.crc32(cid))
crc = o16(hi) + o16(lo)
fp.append((cid, data, crc))
fp = collector()
try:
im.encoderinfo = params
_save(im, fp, None, append)
finally:
del im.encoderinfo
return fp.data
# --------------------------------------------------------------------
# Registry
ImageH.register_open("PNG", PngImageFile, _accept)
ImageH.register_save("PNG", _save)
ImageH.register_extension("PNG", ".png")
ImageH.register_mime("PNG", "image/png")
