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tests for transverse, add to docs

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Alexander 2017-09-11 23:00:35 +03:00
parent 29515f59bb
commit b6b3b004d8
2 changed files with 25 additions and 3 deletions
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4
PIL/Image.py
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@ -2171,8 +2171,8 @@ class Image(object):
:param method: One of :py:attr:`PIL.Image.FLIP_LEFT_RIGHT`,
:py:attr:`PIL.Image.FLIP_TOP_BOTTOM`, :py:attr:`PIL.Image.ROTATE_90`,
:py:attr:`PIL.Image.ROTATE_180`, :py:attr:`PIL.Image.ROTATE_270` or
:py:attr:`PIL.Image.TRANSPOSE`.
:py:attr:`PIL.Image.ROTATE_180`, :py:attr:`PIL.Image.ROTATE_270`,
:py:attr:`PIL.Image.TRANSPOSE` or :py:attr:`PIL.Image.TRANSVERSE`.
:returns: Returns a flipped or rotated copy of this image.
"""

24
Tests/test_image_transpose.py
View File

@ -2,7 +2,7 @@ import helper
from helper import unittest, PillowTestCase
from PIL.Image import (FLIP_LEFT_RIGHT, FLIP_TOP_BOTTOM, ROTATE_90, ROTATE_180,
ROTATE_270, TRANSPOSE)
ROTATE_270, TRANSPOSE, TRANSVERSE)
class TestImageTranspose(PillowTestCase):
@ -108,6 +108,22 @@ class TestImageTranspose(PillowTestCase):
for mode in ("L", "RGB"):
transpose(mode)
def test_tranverse(self):
def transpose(mode):
im = self.hopper[mode]
out = im.transpose(TRANSVERSE)
self.assertEqual(out.mode, mode)
self.assertEqual(out.size, im.size[::-1])
x, y = im.size
self.assertEqual(im.getpixel((1, 1)), out.getpixel((y-2, x-2)))
self.assertEqual(im.getpixel((x-2, 1)), out.getpixel((y-2, 1)))
self.assertEqual(im.getpixel((1, y-2)), out.getpixel((1, x-2)))
self.assertEqual(im.getpixel((x-2, y-2)), out.getpixel((1, 1)))
for mode in ("L", "RGB"):
transpose(mode)
def test_roundtrip(self):
im = self.hopper['L']
@ -124,6 +140,12 @@ class TestImageTranspose(PillowTestCase):
im.transpose(TRANSPOSE), transpose(ROTATE_90, FLIP_TOP_BOTTOM))
self.assert_image_equal(
im.transpose(TRANSPOSE), transpose(ROTATE_270, FLIP_LEFT_RIGHT))
self.assert_image_equal(
im.transpose(TRANSVERSE), transpose(ROTATE_90, FLIP_LEFT_RIGHT))
self.assert_image_equal(
im.transpose(TRANSVERSE), transpose(ROTATE_270, FLIP_TOP_BOTTOM))
self.assert_image_equal(
im.transpose(TRANSVERSE), transpose(ROTATE_180, TRANSPOSE))
if __name__ == '__main__':