cpython/Lib/test/test_tkinter/test_images.py

654 lines
28 KiB
Python

import unittest
import tkinter
from test import support
from test.support import os_helper
from test.test_tkinter.support import AbstractTkTest, AbstractDefaultRootTest, requires_tk
support.requires('gui')
class MiscTest(AbstractTkTest, unittest.TestCase):
def test_image_types(self):
image_types = self.root.image_types()
self.assertIsInstance(image_types, tuple)
self.assertIn('photo', image_types)
self.assertIn('bitmap', image_types)
def test_image_names(self):
image_names = self.root.image_names()
self.assertIsInstance(image_names, tuple)
class DefaultRootTest(AbstractDefaultRootTest, unittest.TestCase):
def test_image_types(self):
self.assertRaises(RuntimeError, tkinter.image_types)
root = tkinter.Tk()
image_types = tkinter.image_types()
self.assertIsInstance(image_types, tuple)
self.assertIn('photo', image_types)
self.assertIn('bitmap', image_types)
root.destroy()
tkinter.NoDefaultRoot()
self.assertRaises(RuntimeError, tkinter.image_types)
def test_image_names(self):
self.assertRaises(RuntimeError, tkinter.image_names)
root = tkinter.Tk()
image_names = tkinter.image_names()
self.assertIsInstance(image_names, tuple)
root.destroy()
tkinter.NoDefaultRoot()
self.assertRaises(RuntimeError, tkinter.image_names)
def test_image_create_bitmap(self):
self.assertRaises(RuntimeError, tkinter.BitmapImage)
root = tkinter.Tk()
image = tkinter.BitmapImage()
self.assertIn(image.name, tkinter.image_names())
root.destroy()
tkinter.NoDefaultRoot()
self.assertRaises(RuntimeError, tkinter.BitmapImage)
def test_image_create_photo(self):
self.assertRaises(RuntimeError, tkinter.PhotoImage)
root = tkinter.Tk()
image = tkinter.PhotoImage()
self.assertIn(image.name, tkinter.image_names())
root.destroy()
tkinter.NoDefaultRoot()
self.assertRaises(RuntimeError, tkinter.PhotoImage)
class BitmapImageTest(AbstractTkTest, unittest.TestCase):
@classmethod
def setUpClass(cls):
AbstractTkTest.setUpClass.__func__(cls)
cls.testfile = support.findfile('python.xbm', subdir='tkinterdata')
def test_create_from_file(self):
image = tkinter.BitmapImage('::img::test', master=self.root,
foreground='yellow', background='blue',
file=self.testfile)
self.assertEqual(str(image), '::img::test')
self.assertEqual(image.type(), 'bitmap')
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
self.assertIn('::img::test', self.root.image_names())
del image
support.gc_collect() # For PyPy or other GCs.
self.assertNotIn('::img::test', self.root.image_names())
def test_create_from_data(self):
with open(self.testfile, 'rb') as f:
data = f.read()
image = tkinter.BitmapImage('::img::test', master=self.root,
foreground='yellow', background='blue',
data=data)
self.assertEqual(str(image), '::img::test')
self.assertEqual(image.type(), 'bitmap')
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
self.assertIn('::img::test', self.root.image_names())
del image
support.gc_collect() # For PyPy or other GCs.
self.assertNotIn('::img::test', self.root.image_names())
def assertEqualStrList(self, actual, expected):
self.assertIsInstance(actual, str)
self.assertEqual(self.root.splitlist(actual), expected)
def test_configure_data(self):
image = tkinter.BitmapImage('::img::test', master=self.root)
self.assertEqual(image['data'], '-data {} {} {} {}')
with open(self.testfile, 'rb') as f:
data = f.read()
image.configure(data=data)
self.assertEqualStrList(image['data'],
('-data', '', '', '', data.decode('ascii')))
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
self.assertEqual(image['maskdata'], '-maskdata {} {} {} {}')
image.configure(maskdata=data)
self.assertEqualStrList(image['maskdata'],
('-maskdata', '', '', '', data.decode('ascii')))
def test_configure_file(self):
image = tkinter.BitmapImage('::img::test', master=self.root)
self.assertEqual(image['file'], '-file {} {} {} {}')
image.configure(file=self.testfile)
self.assertEqualStrList(image['file'],
('-file', '', '', '',self.testfile))
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
self.assertEqual(image['maskfile'], '-maskfile {} {} {} {}')
image.configure(maskfile=self.testfile)
self.assertEqualStrList(image['maskfile'],
('-maskfile', '', '', '', self.testfile))
def test_configure_background(self):
image = tkinter.BitmapImage('::img::test', master=self.root)
self.assertEqual(image['background'], '-background {} {} {} {}')
image.configure(background='blue')
self.assertEqual(image['background'], '-background {} {} {} blue')
def test_configure_foreground(self):
image = tkinter.BitmapImage('::img::test', master=self.root)
self.assertEqual(image['foreground'],
'-foreground {} {} #000000 #000000')
image.configure(foreground='yellow')
self.assertEqual(image['foreground'],
'-foreground {} {} #000000 yellow')
def test_bug_100814(self):
# gh-100814: Passing a callable option value causes AttributeError.
with self.assertRaises(tkinter.TclError):
tkinter.BitmapImage('::img::test', master=self.root, spam=print)
image = tkinter.BitmapImage('::img::test', master=self.root)
with self.assertRaises(tkinter.TclError):
image.configure(spam=print)
class PhotoImageTest(AbstractTkTest, unittest.TestCase):
@classmethod
def setUpClass(cls):
AbstractTkTest.setUpClass.__func__(cls)
cls.testfile = support.findfile('python.gif', subdir='tkinterdata')
def create(self):
return tkinter.PhotoImage('::img::test', master=self.root,
file=self.testfile)
def colorlist(self, *args):
if tkinter.TkVersion >= 8.6 and self.wantobjects:
return args
else:
return tkinter._join(args)
def check_create_from_file(self, ext):
testfile = support.findfile('python.' + ext, subdir='tkinterdata')
image = tkinter.PhotoImage('::img::test', master=self.root,
file=testfile)
self.assertEqual(str(image), '::img::test')
self.assertEqual(image.type(), 'photo')
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
self.assertEqual(image['data'], '')
self.assertEqual(image['file'], testfile)
self.assertIn('::img::test', self.root.image_names())
del image
support.gc_collect() # For PyPy or other GCs.
self.assertNotIn('::img::test', self.root.image_names())
def check_create_from_data(self, ext):
testfile = support.findfile('python.' + ext, subdir='tkinterdata')
with open(testfile, 'rb') as f:
data = f.read()
image = tkinter.PhotoImage('::img::test', master=self.root,
data=data)
self.assertEqual(str(image), '::img::test')
self.assertEqual(image.type(), 'photo')
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
self.assertEqual(image['data'], data if self.wantobjects
else data.decode('latin1'))
self.assertEqual(image['file'], '')
self.assertIn('::img::test', self.root.image_names())
del image
support.gc_collect() # For PyPy or other GCs.
self.assertNotIn('::img::test', self.root.image_names())
def test_create_from_ppm_file(self):
self.check_create_from_file('ppm')
def test_create_from_ppm_data(self):
self.check_create_from_data('ppm')
def test_create_from_pgm_file(self):
self.check_create_from_file('pgm')
def test_create_from_pgm_data(self):
self.check_create_from_data('pgm')
def test_create_from_gif_file(self):
self.check_create_from_file('gif')
def test_create_from_gif_data(self):
self.check_create_from_data('gif')
@requires_tk(8, 6)
def test_create_from_png_file(self):
self.check_create_from_file('png')
@requires_tk(8, 6)
def test_create_from_png_data(self):
self.check_create_from_data('png')
def test_configure_data(self):
image = tkinter.PhotoImage('::img::test', master=self.root)
self.assertEqual(image['data'], '')
with open(self.testfile, 'rb') as f:
data = f.read()
image.configure(data=data)
self.assertEqual(image['data'], data if self.wantobjects
else data.decode('latin1'))
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
def test_configure_format(self):
image = tkinter.PhotoImage('::img::test', master=self.root)
self.assertEqual(image['format'], '')
image.configure(file=self.testfile, format='gif')
self.assertEqual(image['format'], ('gif',) if self.wantobjects
else 'gif')
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
def test_configure_file(self):
image = tkinter.PhotoImage('::img::test', master=self.root)
self.assertEqual(image['file'], '')
image.configure(file=self.testfile)
self.assertEqual(image['file'], self.testfile)
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
def test_configure_gamma(self):
image = tkinter.PhotoImage('::img::test', master=self.root)
self.assertEqual(image['gamma'], '1.0')
image.configure(gamma=2.0)
self.assertEqual(image['gamma'], '2.0')
def test_configure_width_height(self):
image = tkinter.PhotoImage('::img::test', master=self.root)
self.assertEqual(image['width'], '0')
self.assertEqual(image['height'], '0')
image.configure(width=20)
image.configure(height=10)
self.assertEqual(image['width'], '20')
self.assertEqual(image['height'], '10')
self.assertEqual(image.width(), 20)
self.assertEqual(image.height(), 10)
def test_configure_palette(self):
image = tkinter.PhotoImage('::img::test', master=self.root)
self.assertEqual(image['palette'], '')
image.configure(palette=256)
self.assertEqual(image['palette'], '256')
image.configure(palette='3/4/2')
self.assertEqual(image['palette'], '3/4/2')
def test_bug_100814(self):
# gh-100814: Passing a callable option value causes AttributeError.
with self.assertRaises(tkinter.TclError):
tkinter.PhotoImage('::img::test', master=self.root, spam=print)
image = tkinter.PhotoImage('::img::test', master=self.root)
with self.assertRaises(tkinter.TclError):
image.configure(spam=print)
def test_blank(self):
image = self.create()
image.blank()
self.assertEqual(image.width(), 16)
self.assertEqual(image.height(), 16)
self.assertEqual(image.get(4, 6), self.colorlist(0, 0, 0))
def test_copy(self):
image = self.create()
image2 = image.copy()
self.assertEqual(image2.width(), 16)
self.assertEqual(image2.height(), 16)
self.assertEqual(image2.get(4, 6), image.get(4, 6))
image2 = image.copy(from_coords=(2, 3, 14, 11))
self.assertEqual(image2.width(), 12)
self.assertEqual(image2.height(), 8)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(11, 7), image.get(13, 10))
self.assertEqual(image2.get(2, 4), image.get(2+2, 4+3))
image2 = image.copy(from_coords=(2, 3, 14, 11), zoom=2)
self.assertEqual(image2.width(), 24)
self.assertEqual(image2.height(), 16)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(23, 15), image.get(13, 10))
self.assertEqual(image2.get(2*2, 4*2), image.get(2+2, 4+3))
self.assertEqual(image2.get(2*2+1, 4*2+1), image.get(6+2, 2+3))
image2 = image.copy(from_coords=(2, 3, 14, 11), subsample=2)
self.assertEqual(image2.width(), 6)
self.assertEqual(image2.height(), 4)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(5, 3), image.get(12, 9))
self.assertEqual(image2.get(3, 2), image.get(3*2+2, 2*2+3))
image2 = image.copy(from_coords=(2, 3, 14, 11), subsample=2, zoom=3)
self.assertEqual(image2.width(), 18)
self.assertEqual(image2.height(), 12)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(17, 11), image.get(12, 9))
self.assertEqual(image2.get(1*3, 2*3), image.get(1*2+2, 2*2+3))
self.assertEqual(image2.get(1*3+2, 2*3+2), image.get(1*2+2, 2*2+3))
def test_subsample(self):
image = self.create()
image2 = image.subsample(2, 3)
self.assertEqual(image2.width(), 8)
self.assertEqual(image2.height(), 6)
self.assertEqual(image2.get(2, 2), image.get(4, 6))
image2 = image.subsample(2)
self.assertEqual(image2.width(), 8)
self.assertEqual(image2.height(), 8)
self.assertEqual(image2.get(2, 3), image.get(4, 6))
image2 = image.subsample(2, from_coords=(2, 3, 14, 11))
self.assertEqual(image2.width(), 6)
self.assertEqual(image2.height(), 4)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(5, 3), image.get(12, 9))
self.assertEqual(image2.get(1, 2), image.get(1*2+2, 2*2+3))
def test_zoom(self):
image = self.create()
image2 = image.zoom(2, 3)
self.assertEqual(image2.width(), 32)
self.assertEqual(image2.height(), 48)
self.assertEqual(image2.get(8, 18), image.get(4, 6))
self.assertEqual(image2.get(9, 20), image.get(4, 6))
image2 = image.zoom(2)
self.assertEqual(image2.width(), 32)
self.assertEqual(image2.height(), 32)
self.assertEqual(image2.get(8, 12), image.get(4, 6))
self.assertEqual(image2.get(9, 13), image.get(4, 6))
image2 = image.zoom(2, from_coords=(2, 3, 14, 11))
self.assertEqual(image2.width(), 24)
self.assertEqual(image2.height(), 16)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(23, 15), image.get(13, 10))
self.assertEqual(image2.get(2*2, 4*2), image.get(2+2, 4+3))
self.assertEqual(image2.get(2*2+1, 4*2+1), image.get(6+2, 2+3))
def test_copy_replace(self):
image = self.create()
image2 = tkinter.PhotoImage(master=self.root)
image2.copy_replace(image)
self.assertEqual(image2.width(), 16)
self.assertEqual(image2.height(), 16)
self.assertEqual(image2.get(4, 6), image.get(4, 6))
image2 = tkinter.PhotoImage(master=self.root)
image2.copy_replace(image, from_coords=(2, 3, 14, 11))
self.assertEqual(image2.width(), 12)
self.assertEqual(image2.height(), 8)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(11, 7), image.get(13, 10))
self.assertEqual(image2.get(2, 4), image.get(2+2, 4+3))
image2 = tkinter.PhotoImage(master=self.root)
image2.copy_replace(image)
image2.copy_replace(image, from_coords=(2, 3, 14, 11), shrink=True)
self.assertEqual(image2.width(), 12)
self.assertEqual(image2.height(), 8)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(11, 7), image.get(13, 10))
self.assertEqual(image2.get(2, 4), image.get(2+2, 4+3))
image2 = tkinter.PhotoImage(master=self.root)
image2.copy_replace(image, from_coords=(2, 3, 14, 11), to=(3, 6))
self.assertEqual(image2.width(), 15)
self.assertEqual(image2.height(), 14)
self.assertEqual(image2.get(0+3, 0+6), image.get(2, 3))
self.assertEqual(image2.get(11+3, 7+6), image.get(13, 10))
self.assertEqual(image2.get(2+3, 4+6), image.get(2+2, 4+3))
image2 = tkinter.PhotoImage(master=self.root)
image2.copy_replace(image, from_coords=(2, 3, 14, 11), to=(0, 0, 100, 50))
self.assertEqual(image2.width(), 100)
self.assertEqual(image2.height(), 50)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(11, 7), image.get(13, 10))
self.assertEqual(image2.get(2, 4), image.get(2+2, 4+3))
self.assertEqual(image2.get(2+12, 4+8), image.get(2+2, 4+3))
self.assertEqual(image2.get(2+12*2, 4), image.get(2+2, 4+3))
self.assertEqual(image2.get(2, 4+8*3), image.get(2+2, 4+3))
image2 = tkinter.PhotoImage(master=self.root)
image2.copy_replace(image, from_coords=(2, 3, 14, 11), zoom=2)
self.assertEqual(image2.width(), 24)
self.assertEqual(image2.height(), 16)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(23, 15), image.get(13, 10))
self.assertEqual(image2.get(2*2, 4*2), image.get(2+2, 4+3))
self.assertEqual(image2.get(2*2+1, 4*2+1), image.get(6+2, 2+3))
image2 = tkinter.PhotoImage(master=self.root)
image2.copy_replace(image, from_coords=(2, 3, 14, 11), subsample=2)
self.assertEqual(image2.width(), 6)
self.assertEqual(image2.height(), 4)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(5, 3), image.get(12, 9))
self.assertEqual(image2.get(1, 2), image.get(1*2+2, 2*2+3))
image2 = tkinter.PhotoImage(master=self.root)
image2.copy_replace(image, from_coords=(2, 3, 14, 11), subsample=2, zoom=3)
self.assertEqual(image2.width(), 18)
self.assertEqual(image2.height(), 12)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(17, 11), image.get(12, 9))
self.assertEqual(image2.get(3*3, 2*3), image.get(3*2+2, 2*2+3))
self.assertEqual(image2.get(3*3+2, 2*3+2), image.get(3*2+2, 2*2+3))
self.assertEqual(image2.get(1*3, 2*3), image.get(1*2+2, 2*2+3))
self.assertEqual(image2.get(1*3+2, 2*3+2), image.get(1*2+2, 2*2+3))
def checkImgTrans(self, image, expected):
actual = {(x, y)
for x in range(image.width())
for y in range(image.height())
if image.transparency_get(x, y)}
self.assertEqual(actual, expected)
def test_copy_replace_compositingrule(self):
image1 = tkinter.PhotoImage(master=self.root, width=2, height=2)
image1.blank()
image1.put('black', to=(0, 0, 2, 2))
image1.transparency_set(0, 0, True)
# default compositingrule
image2 = tkinter.PhotoImage(master=self.root, width=3, height=3)
image2.blank()
image2.put('white', to=(0, 0, 2, 2))
image2.copy_replace(image1, to=(1, 1))
self.checkImgTrans(image2, {(0, 2), (2, 0)})
image3 = tkinter.PhotoImage(master=self.root, width=3, height=3)
image3.blank()
image3.put('white', to=(0, 0, 2, 2))
image3.copy_replace(image1, to=(1, 1), compositingrule='overlay')
self.checkImgTrans(image3, {(0, 2), (2, 0)})
image4 = tkinter.PhotoImage(master=self.root, width=3, height=3)
image4.blank()
image4.put('white', to=(0, 0, 2, 2))
image4.copy_replace(image1, to=(1, 1), compositingrule='set')
self.checkImgTrans(image4, {(0, 2), (1, 1), (2, 0)})
def test_put(self):
image = self.create()
image.put('{red green} {blue yellow}', to=(4, 6))
self.assertEqual(image.get(4, 6), self.colorlist(255, 0, 0))
self.assertEqual(image.get(5, 6),
self.colorlist(0, 128 if tkinter.TkVersion >= 8.6
else 255, 0))
self.assertEqual(image.get(4, 7), self.colorlist(0, 0, 255))
self.assertEqual(image.get(5, 7), self.colorlist(255, 255, 0))
image.put((('#f00', '#00ff00'), ('#000000fff', '#ffffffff0000')))
self.assertEqual(image.get(0, 0), self.colorlist(255, 0, 0))
self.assertEqual(image.get(1, 0), self.colorlist(0, 255, 0))
self.assertEqual(image.get(0, 1), self.colorlist(0, 0, 255))
self.assertEqual(image.get(1, 1), self.colorlist(255, 255, 0))
def test_get(self):
image = self.create()
self.assertEqual(image.get(4, 6), self.colorlist(62, 116, 162))
self.assertEqual(image.get(0, 0), self.colorlist(0, 0, 0))
self.assertEqual(image.get(15, 15), self.colorlist(0, 0, 0))
self.assertRaises(tkinter.TclError, image.get, -1, 0)
self.assertRaises(tkinter.TclError, image.get, 0, -1)
self.assertRaises(tkinter.TclError, image.get, 16, 15)
self.assertRaises(tkinter.TclError, image.get, 15, 16)
def test_read(self):
# Due to the Tk bug https://core.tcl-lang.org/tk/tktview/1576528
# the -from option does not work correctly for GIF and PNG files.
# Use the PPM file for this test.
testfile = support.findfile('python.ppm', subdir='tkinterdata')
image = tkinter.PhotoImage(master=self.root, file=testfile)
image2 = tkinter.PhotoImage(master=self.root)
image2.read(testfile)
self.assertEqual(image2.type(), 'photo')
self.assertEqual(image2.width(), 16)
self.assertEqual(image2.height(), 16)
self.assertEqual(image2.get(0, 0), image.get(0, 0))
self.assertEqual(image2.get(4, 6), image.get(4, 6))
self.assertRaises(tkinter.TclError, image2.read, self.testfile, 'ppm')
image2 = tkinter.PhotoImage(master=self.root)
image2.read(testfile, from_coords=(2, 3, 14, 11))
self.assertEqual(image2.width(), 12)
self.assertEqual(image2.height(), 8)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(11, 7), image.get(13, 10))
self.assertEqual(image2.get(2, 4), image.get(2+2, 4+3))
image2 = tkinter.PhotoImage(master=self.root, file=testfile)
self.assertEqual(image2.width(), 16)
self.assertEqual(image2.height(), 16)
image2.read(testfile, from_coords=(2, 3, 14, 11), shrink=True)
self.assertEqual(image2.width(), 12)
self.assertEqual(image2.height(), 8)
self.assertEqual(image2.get(0, 0), image.get(2, 3))
self.assertEqual(image2.get(11, 7), image.get(13, 10))
self.assertEqual(image2.get(2, 4), image.get(2+2, 4+3))
image2 = tkinter.PhotoImage(master=self.root)
image2.read(testfile, from_coords=(2, 3, 14, 11), to=(3, 6))
self.assertEqual(image2.type(), 'photo')
self.assertEqual(image2.width(), 15)
self.assertEqual(image2.height(), 14)
self.assertEqual(image2.get(0+3, 0+6), image.get(2, 3))
self.assertEqual(image2.get(11+3, 7+6), image.get(13, 10))
self.assertEqual(image2.get(2+3, 4+6), image.get(2+2, 4+3))
def test_write(self):
filename = os_helper.TESTFN
import locale
if locale.getlocale()[0] is None:
# Tcl uses Latin1 in the C locale
filename = os_helper.TESTFN_ASCII
image = self.create()
self.addCleanup(os_helper.unlink, filename)
image.write(filename)
image2 = tkinter.PhotoImage('::img::test2', master=self.root,
format='ppm', file=filename)
self.assertEqual(str(image2), '::img::test2')
self.assertEqual(image2.type(), 'photo')
self.assertEqual(image2.width(), 16)
self.assertEqual(image2.height(), 16)
self.assertEqual(image2.get(0, 0), image.get(0, 0))
self.assertEqual(image2.get(4, 6), image.get(4, 6))
image.write(filename, format='gif', from_coords=(4, 6, 6, 9))
image3 = tkinter.PhotoImage('::img::test3', master=self.root,
format='gif', file=filename)
self.assertEqual(str(image3), '::img::test3')
self.assertEqual(image3.type(), 'photo')
self.assertEqual(image3.width(), 2)
self.assertEqual(image3.height(), 3)
self.assertEqual(image3.get(0, 0), image.get(4, 6))
self.assertEqual(image3.get(1, 2), image.get(5, 8))
image.write(filename, background='#ff0000')
image4 = tkinter.PhotoImage('::img::test4', master=self.root,
format='ppm', file=filename)
self.assertEqual(image4.get(0, 0), (255, 0, 0) if self.wantobjects else '255 0 0')
self.assertEqual(image4.get(4, 6), image.get(4, 6))
image.write(filename, grayscale=True)
image5 = tkinter.PhotoImage('::img::test5', master=self.root,
format='ppm', file=filename)
c = image5.get(4, 6)
if not self.wantobjects:
c = c.split()
self.assertTrue(c[0] == c[1] == c[2], c)
def test_data(self):
image = self.create()
data = image.data()
self.assertIsInstance(data, tuple)
for row in data:
self.assertIsInstance(row, str)
c = image.get(4, 6)
if not self.wantobjects:
c = tuple(map(int, c.split()))
self.assertEqual(data[6].split()[4], '#%02x%02x%02x' % c)
data = image.data('ppm')
image2 = tkinter.PhotoImage('::img::test2', master=self.root,
format='ppm', data=data)
self.assertEqual(str(image2), '::img::test2')
self.assertEqual(image2.type(), 'photo')
self.assertEqual(image2.width(), 16)
self.assertEqual(image2.height(), 16)
self.assertEqual(image2.get(0, 0), image.get(0, 0))
self.assertEqual(image2.get(4, 6), image.get(4, 6))
data = image.data(format='gif', from_coords=(4, 6, 6, 9))
image3 = tkinter.PhotoImage('::img::test3', master=self.root,
format='gif', data=data)
self.assertEqual(str(image3), '::img::test3')
self.assertEqual(image3.type(), 'photo')
self.assertEqual(image3.width(), 2)
self.assertEqual(image3.height(), 3)
self.assertEqual(image3.get(0, 0), image.get(4, 6))
self.assertEqual(image3.get(1, 2), image.get(5, 8))
data = image.data('ppm', background='#ff0000')
image4 = tkinter.PhotoImage('::img::test4', master=self.root,
format='ppm', data=data)
self.assertEqual(image4.get(0, 0), (255, 0, 0) if self.wantobjects else '255 0 0')
self.assertEqual(image4.get(4, 6), image.get(4, 6))
data = image.data('ppm', grayscale=True)
image5 = tkinter.PhotoImage('::img::test5', master=self.root,
format='ppm', data=data)
c = image5.get(4, 6)
if not self.wantobjects:
c = c.split()
self.assertTrue(c[0] == c[1] == c[2], c)
def test_transparency(self):
image = self.create()
self.assertEqual(image.transparency_get(0, 0), True)
self.assertEqual(image.transparency_get(4, 6), False)
image.transparency_set(4, 6, True)
self.assertEqual(image.transparency_get(4, 6), True)
image.transparency_set(4, 6, False)
self.assertEqual(image.transparency_get(4, 6), False)
if __name__ == "__main__":
unittest.main()