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Merge pull request #9 from wiredfool/pr_877

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Manual merge for PR #877
This commit is contained in:
Hugo 2014-09-24 08:30:04 +03:00
commit e1e11b9938
15 changed files with 176 additions and 62 deletions
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3
CHANGES.rst
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@ -4,6 +4,9 @@ Changelog (Pillow)
2.6.0 (unreleased)
------------------
- Image.tobytes() and Image.tostring() documentation update #916 #917
[mgedmin]
- On Windows, do not execute convert.exe without specifying path #912
[cgohlke]

4
PIL/Image.py
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@ -665,6 +665,10 @@ class Image:
# Declare tostring as alias to tobytes
def tostring(self, *args, **kw):
"""Deprecated alias to tobytes.
.. deprecated:: 2.0
"""
warnings.warn(
'tostring() is deprecated. Please call tobytes() instead.',
DeprecationWarning,

8
PIL/ImageWin.py
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@ -23,7 +23,7 @@ from PIL import Image
class HDC:
"""
Wraps a HDC integer. The resulting object can be passed to the
Wraps an HDC integer. The resulting object can be passed to the
:py:meth:`~PIL.ImageWin.Dib.draw` and :py:meth:`~PIL.ImageWin.Dib.expose`
methods.
"""
@ -36,7 +36,7 @@ class HDC:
class HWND:
"""
Wraps a HWND integer. The resulting object can be passed to the
Wraps an HWND integer. The resulting object can be passed to the
:py:meth:`~PIL.ImageWin.Dib.draw` and :py:meth:`~PIL.ImageWin.Dib.expose`
methods, instead of a DC.
"""
@ -86,8 +86,8 @@ class Dib:
"""
Copy the bitmap contents to a device context.
:param handle: Device context (HDC), cast to a Python integer, or a HDC
or HWND instance. In PythonWin, you can use the
:param handle: Device context (HDC), cast to a Python integer, or an
HDC or HWND instance. In PythonWin, you can use the
:py:meth:`CDC.GetHandleAttrib` to get a suitable handle.
"""
if isinstance(handle, HWND):

3
PIL/PSDraw.py
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@ -74,8 +74,7 @@ class PSDraw:
def setink(self, ink):
"""
.. warning:: This has been in the PIL API for ages but was never
implemented.
.. warning:: This has been in the PIL API for ages but was never implemented.
"""
print("*** NOT YET IMPLEMENTED ***")

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77
Tests/test_file_jpeg.py
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@ -1,4 +1,4 @@
from helper import unittest, PillowTestCase, lena, py3
from helper import unittest, PillowTestCase, hopper, py3
from helper import djpeg_available, cjpeg_available
import random
@ -10,7 +10,7 @@ from PIL import JpegImagePlugin
codecs = dir(Image.core)
test_file = "Tests/images/lena.jpg"
TEST_FILE = "Tests/images/hopper.jpg"
class TestFileJpeg(PillowTestCase):
@ -33,7 +33,7 @@ class TestFileJpeg(PillowTestCase):
# internal version number
self.assertRegexpMatches(Image.core.jpeglib_version, "\d+\.\d+$")
im = Image.open(test_file)
im = Image.open(TEST_FILE)
im.load()
self.assertEqual(im.mode, "RGB")
self.assertEqual(im.size, (128, 128))
@ -41,11 +41,12 @@ class TestFileJpeg(PillowTestCase):
def test_app(self):
# Test APP/COM reader (@PIL135)
im = Image.open(test_file)
im = Image.open(TEST_FILE)
self.assertEqual(
im.applist[0],
("APP0", b"JFIF\x00\x01\x01\x00\x00\x01\x00\x01\x00\x00"))
self.assertEqual(im.applist[1], ("COM", b"Python Imaging Library"))
("APP0", b"JFIF\x00\x01\x01\x01\x00`\x00`\x00\x00"))
self.assertEqual(im.applist[1], (
"COM", b"File written by Adobe Photoshop\xa8 4.0\x00"))
self.assertEqual(len(im.applist), 2)
def test_cmyk(self):
@ -76,7 +77,7 @@ class TestFileJpeg(PillowTestCase):
def test_dpi(self):
def test(xdpi, ydpi=None):
im = Image.open(test_file)
im = Image.open(TEST_FILE)
im = self.roundtrip(im, dpi=(xdpi, ydpi or xdpi))
return im.info.get("dpi")
self.assertEqual(test(72), (72, 72))
@ -95,8 +96,8 @@ class TestFileJpeg(PillowTestCase):
im2 = Image.open(f)
self.assertEqual(im2.info.get("icc_profile"), icc_profile)
# Roundtrip via memory buffer.
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), icc_profile=icc_profile)
im1 = self.roundtrip(hopper())
im2 = self.roundtrip(hopper(), icc_profile=icc_profile)
self.assert_image_equal(im1, im2)
self.assertFalse(im1.info.get("icc_profile"))
self.assertTrue(im2.info.get("icc_profile"))
@ -109,7 +110,7 @@ class TestFileJpeg(PillowTestCase):
# order issues.
icc_profile = (b"Test"*int(n/4+1))[:n]
assert len(icc_profile) == n # sanity
im1 = self.roundtrip(lena(), icc_profile=icc_profile)
im1 = self.roundtrip(hopper(), icc_profile=icc_profile)
self.assertEqual(im1.info.get("icc_profile"), icc_profile or None)
test(0)
test(1)
@ -123,8 +124,8 @@ class TestFileJpeg(PillowTestCase):
test(ImageFile.MAXBLOCK*4+3) # large block
def test_optimize(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), optimize=1)
im1 = self.roundtrip(hopper())
im2 = self.roundtrip(hopper(), optimize=1)
self.assert_image_equal(im1, im2)
self.assertGreaterEqual(im1.bytes, im2.bytes)
@ -136,8 +137,8 @@ class TestFileJpeg(PillowTestCase):
im.save(f, format="JPEG", optimize=True)
def test_progressive(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), progressive=True)
im1 = self.roundtrip(hopper())
im2 = self.roundtrip(hopper(), progressive=True)
self.assert_image_equal(im1, im2)
self.assertGreaterEqual(im1.bytes, im2.bytes)
@ -161,13 +162,13 @@ class TestFileJpeg(PillowTestCase):
def test_large_exif(self):
# https://github.com/python-pillow/Pillow/issues/148
f = self.tempfile('temp.jpg')
im = lena()
im = hopper()
im.save(f, 'JPEG', quality=90, exif=b"1"*65532)
def test_progressive_compat(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), progressive=1)
im3 = self.roundtrip(lena(), progression=1) # compatibility
im1 = self.roundtrip(hopper())
im2 = self.roundtrip(hopper(), progressive=1)
im3 = self.roundtrip(hopper(), progression=1) # compatibility
self.assert_image_equal(im1, im2)
self.assert_image_equal(im1, im3)
self.assertFalse(im1.info.get("progressive"))
@ -178,14 +179,14 @@ class TestFileJpeg(PillowTestCase):
self.assertTrue(im3.info.get("progression"))
def test_quality(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), quality=50)
im1 = self.roundtrip(hopper())
im2 = self.roundtrip(hopper(), quality=50)
self.assert_image(im1, im2.mode, im2.size)
self.assertGreaterEqual(im1.bytes, im2.bytes)
def test_smooth(self):
im1 = self.roundtrip(lena())
im2 = self.roundtrip(lena(), smooth=100)
im1 = self.roundtrip(hopper())
im2 = self.roundtrip(hopper(), smooth=100)
self.assert_image(im1, im2.mode, im2.size)
def test_subsampling(self):
@ -193,26 +194,26 @@ class TestFileJpeg(PillowTestCase):
layer = im.layer
return layer[0][1:3] + layer[1][1:3] + layer[2][1:3]
# experimental API
im = self.roundtrip(lena(), subsampling=-1) # default
im = self.roundtrip(hopper(), subsampling=-1) # default
self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling=0) # 4:4:4
im = self.roundtrip(hopper(), subsampling=0) # 4:4:4
self.assertEqual(getsampling(im), (1, 1, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling=1) # 4:2:2
im = self.roundtrip(hopper(), subsampling=1) # 4:2:2
self.assertEqual(getsampling(im), (2, 1, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling=2) # 4:1:1
im = self.roundtrip(hopper(), subsampling=2) # 4:1:1
self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling=3) # default (undefined)
im = self.roundtrip(hopper(), subsampling=3) # default (undefined)
self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling="4:4:4")
im = self.roundtrip(hopper(), subsampling="4:4:4")
self.assertEqual(getsampling(im), (1, 1, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling="4:2:2")
im = self.roundtrip(hopper(), subsampling="4:2:2")
self.assertEqual(getsampling(im), (2, 1, 1, 1, 1, 1))
im = self.roundtrip(lena(), subsampling="4:1:1")
im = self.roundtrip(hopper(), subsampling="4:1:1")
self.assertEqual(getsampling(im), (2, 2, 1, 1, 1, 1))
self.assertRaises(
TypeError, lambda: self.roundtrip(lena(), subsampling="1:1:1"))
TypeError, lambda: self.roundtrip(hopper(), subsampling="1:1:1"))
def test_exif(self):
im = Image.open("Tests/images/pil_sample_rgb.jpg")
@ -225,11 +226,11 @@ class TestFileJpeg(PillowTestCase):
def test_quality_keep(self):
# RGB
im = Image.open("Tests/images/lena.jpg")
im = Image.open("Tests/images/hopper.jpg")
f = self.tempfile('temp.jpg')
im.save(f, quality='keep')
# Grayscale
im = Image.open("Tests/images/lena_gray.jpg")
im = Image.open("Tests/images/hopper_gray.jpg")
f = self.tempfile('temp.jpg')
im.save(f, quality='keep')
# CMYK
@ -243,7 +244,7 @@ class TestFileJpeg(PillowTestCase):
Image.open(filename)
def test_qtables(self):
im = Image.open("Tests/images/lena.jpg")
im = Image.open("Tests/images/hopper.jpg")
qtables = im.quantization
reloaded = self.roundtrip(im, qtables=qtables, subsampling=0)
self.assertEqual(im.quantization, reloaded.quantization)
@ -296,18 +297,18 @@ class TestFileJpeg(PillowTestCase):
@unittest.skipUnless(djpeg_available(), "djpeg not available")
def test_load_djpeg(self):
img = Image.open(test_file)
img = Image.open(TEST_FILE)
img.load_djpeg()
self.assert_image_similar(img, Image.open(test_file), 0)
self.assert_image_similar(img, Image.open(TEST_FILE), 0)
@unittest.skipUnless(cjpeg_available(), "cjpeg not available")
def test_save_cjpeg(self):
img = Image.open(test_file)
img = Image.open(TEST_FILE)
tempfile = self.tempfile("temp.jpg")
JpegImagePlugin._save_cjpeg(img, 0, tempfile)
# Default save quality is 75%, so a tiny bit of difference is alright
self.assert_image_similar(img, Image.open(tempfile), 1)
self.assert_image_similar(img, Image.open(tempfile), 15)
def test_no_duplicate_0x1001_tag(self):
# Arrange

25
Tests/test_imagecms.py
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@ -1,4 +1,4 @@
from helper import unittest, PillowTestCase, lena
from helper import unittest, PillowTestCase, hopper, lena
from PIL import Image
@ -38,36 +38,36 @@ class TestImageCms(PillowTestCase):
# internal version number
self.assertRegexpMatches(ImageCms.core.littlecms_version, "\d+\.\d+$")
i = ImageCms.profileToProfile(lena(), SRGB, SRGB)
i = ImageCms.profileToProfile(hopper(), SRGB, SRGB)
self.assert_image(i, "RGB", (128, 128))
i = lena()
i = hopper()
ImageCms.profileToProfile(i, SRGB, SRGB, inPlace=True)
self.assert_image(i, "RGB", (128, 128))
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
i = ImageCms.applyTransform(hopper(), t)
self.assert_image(i, "RGB", (128, 128))
i = lena()
i = hopper()
t = ImageCms.buildTransform(SRGB, SRGB, "RGB", "RGB")
ImageCms.applyTransform(lena(), t, inPlace=True)
ImageCms.applyTransform(hopper(), t, inPlace=True)
self.assert_image(i, "RGB", (128, 128))
p = ImageCms.createProfile("sRGB")
o = ImageCms.getOpenProfile(SRGB)
t = ImageCms.buildTransformFromOpenProfiles(p, o, "RGB", "RGB")
i = ImageCms.applyTransform(lena(), t)
i = ImageCms.applyTransform(hopper(), t)
self.assert_image(i, "RGB", (128, 128))
t = ImageCms.buildProofTransform(SRGB, SRGB, SRGB, "RGB", "RGB")
self.assertEqual(t.inputMode, "RGB")
self.assertEqual(t.outputMode, "RGB")
i = ImageCms.applyTransform(lena(), t)
i = ImageCms.applyTransform(hopper(), t)
self.assert_image(i, "RGB", (128, 128))
# test PointTransform convenience API
lena().point(t)
hopper().point(t)
def test_name(self):
# get profile information for file
@ -132,7 +132,7 @@ class TestImageCms(PillowTestCase):
# the procedural pyCMS API uses PyCMSError for all sorts of errors
self.assertRaises(
ImageCms.PyCMSError,
lambda: ImageCms.profileToProfile(lena(), "foo", "bar"))
lambda: ImageCms.profileToProfile(hopper(), "foo", "bar"))
self.assertRaises(
ImageCms.PyCMSError,
lambda: ImageCms.buildTransform("foo", "bar", "RGB", "RGB"))
@ -211,14 +211,14 @@ class TestImageCms(PillowTestCase):
t2 = ImageCms.buildTransform(pLab, SRGB, "LAB", "RGB")
i = ImageCms.applyTransform(lena(), t)
i = ImageCms.applyTransform(hopper(), t)
self.assertEqual(i.info['icc_profile'],
ImageCmsProfile(pLab).tobytes())
out = ImageCms.applyTransform(i, t2)
self.assert_image_similar(lena(), out, 2)
self.assert_image_similar(hopper(), out, 2)
def test_profile_tobytes(self):
from io import BytesIO
@ -235,7 +235,6 @@ class TestImageCms(PillowTestCase):
self.assertEqual(ImageCms.getProfileDescription(p),
ImageCms.getProfileDescription(p2))
if __name__ == '__main__':
unittest.main()

113
Tests/test_imagewin.py
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@ -1,16 +1,123 @@
from helper import unittest, PillowTestCase
from helper import unittest, PillowTestCase, hopper
from PIL import Image
from PIL import ImageWin
import sys
class TestImageWin(PillowTestCase):
def test_sanity(self):
dir(Image)
dir(ImageWin)
pass
def test_hdc(self):
# Arrange
dc = 50
# Act
hdc = ImageWin.HDC(dc)
dc2 = int(hdc)
# Assert
self.assertEqual(dc2, 50)
def test_hwnd(self):
# Arrange
wnd = 50
# Act
hwnd = ImageWin.HWND(wnd)
wnd2 = int(hwnd)
# Assert
self.assertEqual(wnd2, 50)
@unittest.skipUnless(sys.platform.startswith('win32'), "Windows only")
class TestImageWinDib(PillowTestCase):
def test_dib_image(self):
# Arrange
im = hopper()
# Act
dib = ImageWin.Dib(im)
# Assert
self.assertEqual(dib.size, im.size)
def test_dib_mode_string(self):
# Arrange
mode = "RGBA"
size = (128, 128)
# Act
dib = ImageWin.Dib(mode, size)
# Assert
self.assertEqual(dib.size, (128, 128))
def test_dib_paste(self):
# Arrange
im = hopper()
mode = "RGBA"
size = (128, 128)
dib = ImageWin.Dib(mode, size)
# Act
dib.paste(im)
# Assert
self.assertEqual(dib.size, (128, 128))
def test_dib_paste_bbox(self):
# Arrange
im = hopper()
bbox = (0, 0, 10, 10)
mode = "RGBA"
size = (128, 128)
dib = ImageWin.Dib(mode, size)
# Act
dib.paste(im, bbox)
# Assert
self.assertEqual(dib.size, (128, 128))
def test_dib_frombytes_tobytes_roundtrip(self):
# Arrange
# Make two different DIB images
im = hopper()
dib1 = ImageWin.Dib(im)
mode = "RGB"
size = (128, 128)
dib2 = ImageWin.Dib(mode, size)
# Confirm they're different
self.assertNotEqual(dib1.tobytes(), dib2.tobytes())
# Act
# Make one the same as the using tobytes()/frombytes()
buffer = dib1.tobytes()
dib2.frombytes(buffer)
# Assert
# Confirm they're the same
self.assertEqual(dib1.tobytes(), dib2.tobytes())
def test_dib_fromstring_tostring_deprecated(self):
# Arrange
im = hopper()
dib = ImageWin.Dib(im)
buffer = dib.tobytes()
# Act/Assert
self.assert_warning(DeprecationWarning, lambda: dib.tostring())
self.assert_warning(DeprecationWarning, lambda: dib.fromstring(buffer))
if __name__ == '__main__':
unittest.main()

2
Tests/test_mode_i16.py
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@ -5,7 +5,7 @@ from PIL import Image
class TestModeI16(PillowTestCase):
original = lena().resize((32, 32)).convert('I')
original = hopper().resize((32, 32)).convert('I')
def verify(self, im1):
im2 = self.original.copy()

1
docs/reference/Image.rst
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@ -135,6 +135,7 @@ ITU-R 709, using the D65 luminant) to the CIE XYZ color space:
.. automethod:: PIL.Image.Image.tell
.. automethod:: PIL.Image.Image.thumbnail
.. automethod:: PIL.Image.Image.tobitmap
.. automethod:: PIL.Image.Image.tobytes
.. automethod:: PIL.Image.Image.tostring
.. automethod:: PIL.Image.Image.transform
.. automethod:: PIL.Image.Image.transpose

2
libImaging/JpegEncode.c
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@ -151,7 +151,7 @@ ImagingJpegEncode(Imaging im, ImagingCodecState state, UINT8* buf, int bytes)
if (context->quality > 0) {
quality = context->quality;
}
for (i = 0; i < sizeof(context->qtables)/sizeof(unsigned int); i++) {
for (i = 0; i < sizeof(context->qtables)/sizeof(unsigned int *); i++) {
// TODO: Should add support for none baseline
jpeg_add_quant_table(&context->cinfo, i, context->qtables[i],
quality, TRUE);