def getcolor(color, mode):
# same as getrgb, but converts the result to the given mode
color = getrgb(color)
if mode == "RGB":
return color
if mode == "RGBA":
r, g, b = color
return r, g, b, 255
if Image.getmodebase(mode) == "L":
r, g, b = color
return (r * 299 + g * 587 + b * 114) / 1000
return color
def __init__(self, image, size=None):
if hasattr(image, "mode") and hasattr(image, "size"):
mode = image.mode
size = image.size
else:
mode = image
image = None
if mode not in ["1", "L", "P", "RGB"]:
mode = Image.getmodebase(mode)
self.image = Image.core.display(mode, size)
self.mode = mode
self.size = size
if image:
self.paste(image)
def __init__(self, image, size=None):
if hasattr(image, "mode") and hasattr(image, "size"):
mode = image.mode
size = image.size
else:
mode = image
image = None
if mode not in ["1", "L", "P", "RGB"]:
mode = Image.getmodebase(mode)
self.image = Image.core.display(mode, size)
self.mode = mode
self.size = size
if image:
self.paste(image)
def show(self, image, **options):
# save temporary image to disk
if image.mode[:4] == "I;16":
# @PIL88 @PIL101
# "I;16" isn't an 'official' mode, but we still want to
# provide a simple way to show 16-bit images.
base = "L"
# FIXME: auto-contrast if max() > 255?
else:
base = Image.getmodebase(image.mode)
if base != image.mode and image.mode != "1":
image = image.convert(base)
self.show_image(image, **options)
def show(self, image, **options):
# save temporary image to disk
if image.mode[:4] == "I;16":
# @PIL88 @PIL101
# "I;16" isn't an 'official' mode, but we still want to
# provide a simple way to show 16-bit images.
base = "L"
# FIXME: auto-contrast if max() > 255?
else:
base = Image.getmodebase(image.mode)
if base != image.mode and image.mode != "1":
image = image.convert(base)
self.show_image(image, **options)
def _save(im, fp, filename):
if _imaging_gif:
# call external driver
try:
_imaging_gif.save(im, fp, filename)
return
except IOError:
pass # write uncompressed file
try:
rawmode = RAWMODE[im.mode]
imOut = im
except KeyError:
# convert on the fly (EXPERIMENTAL -- I'm not sure PIL
# should automatically convert images on save...)
if Image.getmodebase(im.mode) == "RGB":
imOut = im.convert("P")
rawmode = "P"
else:
imOut = im.convert("L")
rawmode = "L"
# header
for s in getheader(imOut, im.encoderinfo):
fp.write(s)
flags = 0
try:
interlace = im.encoderinfo["interlace"]
except KeyError:
interlace = 1
# workaround for @PIL153
if min(im.size) < 16:
interlace = 0
if interlace:
flags = flags | 64
try:
transparency = im.encoderinfo["transparency"]
except KeyError:
pass
else:
# transparency extension block
fp.write("!" +
chr(249) + # extension intro
chr(4) + # length
chr(1) + # transparency info present
o16(0) + # duration
chr(int(transparency)) # transparency index
+ chr(0))
# local image header
fp.write("," +
o16(0) + o16(0) + # bounding box
o16(im.size[0]) + # size
o16(im.size[1]) +
chr(flags) + # flags
chr(8)) # bits
imOut.encoderconfig = (8, interlace)
ImageFile._save(imOut, fp, [("gif", (0,0)+im.size, 0, rawmode)])
fp.write("\0") # end of image data
fp.write(";") # end of file
try:
fp.flush()
except: pass
