def save(self, **kwargs):
"""Returns a buffer to the image for saving, supports the
following optional keyword arguments:
format - The format to save as: see Image.FORMATS
optimize - The image file size should be optimized
quality - The quality used to save JPEGs: integer from 1 - 100
"""
opts = Image._normalize_options(kwargs)
outfile = BytesIO()
if opts["pil"]["format"]:
fmt = opts["pil"]["format"]
else:
fmt = self._orig_format
save_kwargs = dict(quality=int(opts["quality"]))
if int(opts["optimize"]):
save_kwargs["optimize"] = True
try:
self.img.save(outfile, fmt, **save_kwargs)
except IOError as e:
raise errors.ImageSaveError(str(e))
self.img.format = fmt
outfile.seek(0)
return outfile
def save(self, **kwargs):
"""Returns a buffer to the image for saving, supports the
following optional keyword arguments:
format - The format to save as: see Image.FORMATS
optimize - The image file size should be optimized
preserve_exif - Preserve the Exif information in JPEGs
progressive - The output should be progressive JPEG
quality - The quality used to save JPEGs: integer from 1 - 100
"""
opts = Image._normalize_options(kwargs)
outfile = BytesIO()
if opts["pil"]["format"]:
fmt = opts["pil"]["format"]
else:
fmt = self._orig_format
save_kwargs = dict()
if Image._isint(opts["quality"]):
save_kwargs["quality"] = int(opts["quality"])
if int(opts["optimize"]):
save_kwargs["optimize"] = True
if int(opts["progressive"]):
save_kwargs["progressive"] = True
if int(opts["preserve_exif"]):
save_kwargs["exif"] = self._exif
color = color_hex_to_dec_tuple(opts["background"])
if self.img.mode == "RGBA":
self._background(fmt, color)
if fmt == "JPEG":
if self.img.mode == "P":
# Converting old GIF and PNG files to JPEG can raise
# IOError: cannot write mode P as JPEG
# https://mail.python.org/pipermail/python-list/2000-May/036017.html
self.img = self.img.convert("RGB")
elif self.img.mode == "RGBA":
# JPEG does not have an alpha channel so cannot be
# saved as RGBA. It must be converted to RGB.
self.img = self.img.convert("RGB")
if self._orig_format == "JPEG":
self.img.format = self._orig_format
save_kwargs["subsampling"] = "keep"
if opts["quality"] == "keep":
save_kwargs["quality"] = "keep"
try:
self.img.save(outfile, fmt, **save_kwargs)
except IOError as e:
raise errors.ImageSaveError(str(e))
self.img.format = fmt
outfile.seek(0)
return outfile
def save(self, **kwargs):
"""Returns a buffer to the image for saving, supports the
following optional keyword arguments:
format - The format to save as: see Image.FORMATS
optimize - The image file size should be optimized
preserve_exif - Preserve the Exif information in JPEGs
progressive - The output should be progressive JPEG
quality - The quality used to save JPEGs: integer from 1 - 100
"""
opts = Image._normalize_options(kwargs)
outfile = BytesIO()
if opts["pil"]["format"]:
fmt = opts["pil"]["format"]
else:
fmt = self._orig_format
save_kwargs = dict()
if Image._isint(opts["quality"]):
save_kwargs["quality"] = int(opts["quality"])
if int(opts["optimize"]):
save_kwargs["optimize"] = True
if int(opts["progressive"]):
save_kwargs["progressive"] = True
if int(opts["preserve_exif"]):
save_kwargs["exif"] = self._exif
color = color_hex_to_dec_tuple(opts["background"])
if self.img.mode == "RGBA":
self._background(fmt, color)
if self._orig_format == "JPEG":
self.img.format = self._orig_format
save_kwargs["subsampling"] = "keep"
if opts["quality"] == "keep":
save_kwargs["quality"] = "keep"
try:
self.img.save(outfile, fmt, **save_kwargs)
except IOError as e:
raise errors.ImageSaveError(str(e))
self.img.format = fmt
outfile.seek(0)
return outfile