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Andrew Murray 2022-04-27 22:01:35 +10:00
parent 9830abd19e
commit 5a8b8b95f6
1 changed files with 10 additions and 12 deletions
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@ -5057,7 +5057,7 @@ http://svn.effbot.org/public/pil/
and the documentation; this is a bug, and will most likely be fixed and the documentation; this is a bug, and will most likely be fixed
in a future version. In this release, PIL prints a warning message in a future version. In this release, PIL prints a warning message
instead. To silence the warning, change any calls of the form instead. To silence the warning, change any calls of the form
"frombuffer(mode, size, data)" to "frombuffer(mode, size, data)" to::
frombuffer(mode, size, data, "raw", mode, 0, 1) frombuffer(mode, size, data, "raw", mode, 0, 1)
@ -5069,14 +5069,11 @@ http://svn.effbot.org/public/pil/
Image class (based on code by Travis Oliphant). Image class (based on code by Travis Oliphant).
This allows you to easily convert between PIL image memories and This allows you to easily convert between PIL image memories and
NumPy arrays: NumPy arrays::
import numpy, Image import numpy, Image
im = Image.open('hopper.jpg') im = Image.open('hopper.jpg')
a = numpy.asarray(im) # a is readonly a = numpy.asarray(im) # a is readonly
im = Image.fromarray(a) im = Image.fromarray(a)
- Fixed CMYK polarity for JPEG images, by treating all images as - Fixed CMYK polarity for JPEG images, by treating all images as
@ -5128,7 +5125,7 @@ http://svn.effbot.org/public/pil/
- Added pixel access object. The "load" method now returns a - Added pixel access object. The "load" method now returns a
access object that can be used to directly get and set pixel access object that can be used to directly get and set pixel
values, using ordinary [x, y] notation: values, using ordinary [x, y] notation::
pixel = im.load() pixel = im.load()
v = pixel[x, y] v = pixel[x, y]
@ -5363,7 +5360,7 @@ http://svn.effbot.org/public/pil/
- Added optional "encoding" argument to the ImageFont.truetype - Added optional "encoding" argument to the ImageFont.truetype
factory. This argument can be used to specify non-Unicode character factory. This argument can be used to specify non-Unicode character
maps for fonts that support that. For example, to draw text using maps for fonts that support that. For example, to draw text using
the Microsoft Symbol font, use: the Microsoft Symbol font, use::
font = ImageFont.truetype("symbol.ttf", 16, encoding="symb") font = ImageFont.truetype("symbol.ttf", 16, encoding="symb")
draw.text((0, 0), unichr(0xF000 + 0xAA)) draw.text((0, 0), unichr(0xF000 + 0xAA))
@ -5661,7 +5658,7 @@ http://svn.effbot.org/public/pil/
- Added DPI read/write support to the JPEG codec. The decoder - Added DPI read/write support to the JPEG codec. The decoder
sets the info["dpi"] attribute for JPEG files with JFIF dpi sets the info["dpi"] attribute for JPEG files with JFIF dpi
settings. The encoder uses the "dpi" option: settings. The encoder uses the "dpi" option::
im = Image.open("file.jpg") im = Image.open("file.jpg")
dpi = im.info["dpi"] # raises KeyError if DPI not known dpi = im.info["dpi"] # raises KeyError if DPI not known
@ -5858,7 +5855,7 @@ http://svn.effbot.org/public/pil/
----- -----
- Added Toby J. Sargeant's quantization package. To enable - Added Toby J. Sargeant's quantization package. To enable
quantization, use the "palette" option to "convert": quantization, use the "palette" option to "convert"::
imOut = im.convert("P", palette=Image.ADAPTIVE) imOut = im.convert("P", palette=Image.ADAPTIVE)
@ -5952,7 +5949,7 @@ The test suite includes 825 individual tests.
- The Image "histogram" method now works for "I" and "F" images. - The Image "histogram" method now works for "I" and "F" images.
For these modes, PIL divides the range between the min and For these modes, PIL divides the range between the min and
max values used in the image into 256 bins. You can also max values used in the image into 256 bins. You can also
pass in your own min and max values via the "extrema" option: pass in your own min and max values via the "extrema" option::
h = im.histogram(extrema=(0, 255)) h = im.histogram(extrema=(0, 255))
@ -5969,7 +5966,7 @@ The test suite includes 825 individual tests.
- Added JPEG "save" and "draft" support for mode "YCbCr" images. - Added JPEG "save" and "draft" support for mode "YCbCr" images.
Note that if you save an "YCbCr" image as a JPEG file and read Note that if you save an "YCbCr" image as a JPEG file and read
it back, it is read as an RGB file. To get around this, you it back, it is read as an RGB file. To get around this, you
can use the "draft" method: can use the "draft" method::
im = Image.open("color.jpg") im = Image.open("color.jpg")
im.draft("YCbCr", im.size) im.draft("YCbCr", im.size)
@ -6006,7 +6003,7 @@ The test suite includes 750 individual tests.
to make the methods compatible with the "fromstring" to make the methods compatible with the "fromstring"
factory function. factory function.
To get the old behaviour, use the following syntax: To get the old behaviour, use the following syntax::
data = im.tostring("raw", "RGBX", 0, -1) data = im.tostring("raw", "RGBX", 0, -1)
im.fromstring(data, "raw", "RGBX", 0, -1) im.fromstring(data, "raw", "RGBX", 0, -1)
@ -6026,6 +6023,7 @@ The test suite includes 750 individual tests.
uses floyd-steinberg error diffusion for "P" and "1" targets, uses floyd-steinberg error diffusion for "P" and "1" targets,
so this option is only used to *disable* dithering. Allowed so this option is only used to *disable* dithering. Allowed
values are NONE (no dithering) or FLOYDSTEINBERG (default). values are NONE (no dithering) or FLOYDSTEINBERG (default).
::
imOut = im.convert("P", dither=Image.NONE) imOut = im.convert("P", dither=Image.NONE)