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import test_utils
import test.unittest as unittest
from test_utils import test_not_implemented
import pygame
class PixelArrayTypeTest (unittest.TestCase):
def test_compare(self):
# __doc__ (as of 2008-06-25) for pygame.pixelarray.PixelArray.compare:
# PixelArray.compare (array, distance=0, weights=(0.299, 0.587, 0.114)): Return PixelArray
# Compares the PixelArray with another one.
self.assert_(test_not_implemented())
def test_pixel_array (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((10, 20), 0, bpp)
sf.fill ((0, 0, 0))
ar = pygame.PixelArray (sf)
if sf.mustlock():
self.assertTrue (sf.get_locked ())
self.assertEqual (len (ar), 10)
del ar
if sf.mustlock():
self.assertFalse (sf.get_locked ())
# Sequence interfaces
def test_get_column (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((6, 8), 0, bpp)
sf.fill ((0, 0, 255))
val = sf.map_rgb ((0, 0, 255))
ar = pygame.PixelArray (sf)
ar2 = ar.__getitem__ (1)
self.assertEqual (len(ar2), 8)
self.assertEqual (ar2.__getitem__ (0), val)
self.assertEqual (ar2.__getitem__ (1), val)
self.assertEqual (ar2.__getitem__ (2), val)
ar2 = ar.__getitem__ (-1)
self.assertEqual (len(ar2), 8)
self.assertEqual (ar2.__getitem__ (0), val)
self.assertEqual (ar2.__getitem__ (1), val)
self.assertEqual (ar2.__getitem__ (2), val)
def test_get_pixel (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((10, 20), 0, bpp)
sf.fill ((0, 0, 255))
for x in xrange (20):
sf.set_at ((1, x), (0, 0, 11))
for x in xrange (10):
sf.set_at ((x, 1), (0, 0, 11))
ar = pygame.PixelArray (sf)
ar2 = ar.__getitem__ (0).__getitem__ (0)
self.assertEqual (ar2, sf.map_rgb ((0, 0, 255)))
ar2 = ar.__getitem__ (1).__getitem__ (0)
self.assertEqual (ar2, sf.map_rgb ((0, 0, 11)))
ar2 = ar.__getitem__ (-4).__getitem__ (1)
self.assertEqual (ar2, sf.map_rgb ((0, 0, 11)))
ar2 = ar.__getitem__ (-4).__getitem__ (5)
self.assertEqual (ar2, sf.map_rgb ((0, 0, 255)))
def test_set_pixel (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((10, 20), 0, bpp)
sf.fill ((0, 0, 0))
ar = pygame.PixelArray (sf)
ar.__getitem__ (0).__setitem__ (0, (0, 255, 0))
self.assertEqual (ar[0][0], sf.map_rgb ((0, 255, 0)))
ar.__getitem__ (1).__setitem__ (1, (128, 128, 128))
self.assertEqual (ar[1][1], sf.map_rgb ((128, 128, 128)))
ar.__getitem__(-1).__setitem__ (-1, (128, 128, 128))
self.assertEqual (ar[9][19], sf.map_rgb ((128, 128, 128)))
ar.__getitem__ (-2).__setitem__ (-2, (128, 128, 128))
self.assertEqual (ar[8][-2], sf.map_rgb ((128, 128, 128)))
def test_set_column (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((6, 8), 0, bpp)
sf.fill ((0, 0, 0))
ar = pygame.PixelArray (sf)
sf2 = pygame.Surface ((6, 8), 0, bpp)
sf2.fill ((0, 255, 255))
ar2 = pygame.PixelArray (sf2)
# Test single value assignment
ar.__setitem__ (2, (128, 128, 128))
self.assertEqual (ar[2][0], sf.map_rgb ((128, 128, 128)))
self.assertEqual (ar[2][1], sf.map_rgb ((128, 128, 128)))
ar.__setitem__ (-1, (0, 255, 255))
self.assertEqual (ar[5][0], sf.map_rgb ((0, 255, 255)))
self.assertEqual (ar[-1][1], sf.map_rgb ((0, 255, 255)))
ar.__setitem__ (-2, (255, 255, 0))
self.assertEqual (ar[4][0], sf.map_rgb ((255, 255, 0)))
self.assertEqual (ar[-2][1], sf.map_rgb ((255, 255, 0)))
# Test list assignment.
ar.__setitem__ (0, [(255, 255, 255)] * 8)
self.assertEqual (ar[0][0], sf.map_rgb ((255, 255, 255)))
self.assertEqual (ar[0][1], sf.map_rgb ((255, 255, 255)))
# Test tuple assignment.
ar.__setitem__ (1, ((204, 0, 204), (17, 17, 17), (204, 0, 204),
(17, 17, 17), (204, 0, 204), (17, 17, 17),
(204, 0, 204), (17, 17, 17)))
self.assertEqual (ar[1][0], sf.map_rgb ((204, 0, 204)))
self.assertEqual (ar[1][1], sf.map_rgb ((17, 17, 17)))
self.assertEqual (ar[1][2], sf.map_rgb ((204, 0, 204)))
# Test pixel array assignment.
ar.__setitem__ (1, ar2.__getitem__ (3))
self.assertEqual (ar[1][0], sf.map_rgb ((0, 255, 255)))
self.assertEqual (ar[1][1], sf.map_rgb ((0, 255, 255)))
def test_get_slice (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((10, 20), 0, bpp)
sf.fill ((0, 0, 0))
ar = pygame.PixelArray (sf)
self.assertEqual (len (ar.__getslice__ (0, 2)), 2)
self.assertEqual (len (ar.__getslice__ (3, 7)[3]), 20)
self.assertEqual (ar.__getslice__ (0, 0), None)
self.assertEqual (ar.__getslice__ (5, 5), None)
self.assertEqual (ar.__getslice__ (9, 9), None)
# Has to resolve to ar[7:8]
self.assertEqual (len (ar[-3:-2]), 20)
# Try assignments.
# 2D assignment.
ar.__setslice__ (2, 5, (255, 255, 255))
self.assertEqual (ar[3][3], sf.map_rgb ((255, 255, 255)))
# 1D assignment
ar[3].__setslice__ (3, 7, (10, 10, 10))
self.assertEqual (ar[3][5], sf.map_rgb ((10, 10, 10)))
self.assertEqual (ar[3][6], sf.map_rgb ((10, 10, 10)))
def test_contains (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((10, 20), 0, bpp)
sf.fill ((0, 0, 0))
sf.set_at ((8, 8), (255, 255, 255))
ar = pygame.PixelArray (sf)
self.assertTrue ((0, 0, 0) in ar)
self.assertTrue ((255, 255, 255) in ar)
self.assertFalse ((255, 255, 0) in ar)
self.assertFalse (0x0000ff in ar)
# Test sliced array
self.assertTrue ((0, 0, 0) in ar[8])
self.assertTrue ((255, 255, 255) in ar[8])
self.assertFalse ((255, 255, 0) in ar[8])
self.assertFalse (0x0000ff in ar[8])
def test_get_surface (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((10, 20), 0, bpp)
sf.fill ((0, 0, 0))
ar = pygame.PixelArray (sf)
self.assertEqual (sf, ar.surface)
def test_set_slice (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((6, 8), 0, bpp)
sf.fill ((0, 0, 0))
ar = pygame.PixelArray (sf)
# Test single value assignment
val = sf.map_rgb ((128, 128, 128))
ar.__setslice__ (0, 2, val)
self.assertEqual (ar[0][0], val)
self.assertEqual (ar[0][1], val)
self.assertEqual (ar[1][0], val)
self.assertEqual (ar[1][1], val)
val = sf.map_rgb ((0, 255, 255))
ar[-3:-1] = val
self.assertEqual (ar[3][0], val)
self.assertEqual (ar[-2][1], val)
val = sf.map_rgb ((255, 255, 255))
ar[-3:] = (255, 255, 255)
self.assertEqual (ar[4][0], val)
self.assertEqual (ar[-1][1], val)
# Test list assignment, this is a vertical assignment.
val = sf.map_rgb ((0, 255, 0))
ar.__setslice__ (2, 4, [val] * 8)
self.assertEqual (ar[2][0], val)
self.assertEqual (ar[2][1], val)
self.assertEqual (ar[2][4], val)
self.assertEqual (ar[2][5], val)
self.assertEqual (ar[3][0], val)
self.assertEqual (ar[3][1], val)
self.assertEqual (ar[3][4], val)
self.assertEqual (ar[3][5], val)
# And the horizontal assignment.
val = sf.map_rgb ((255, 0, 0))
val2 = sf.map_rgb ((128, 0, 255))
ar.__setslice__ (0, 2, [val, val2])
self.assertEqual (ar[0][0], val)
self.assertEqual (ar[1][0], val2)
self.assertEqual (ar[0][1], val)
self.assertEqual (ar[1][1], val2)
self.assertEqual (ar[0][4], val)
self.assertEqual (ar[1][4], val2)
self.assertEqual (ar[0][5], val)
self.assertEqual (ar[1][5], val2)
# Test pixelarray assignment.
ar[:] = (0, 0, 0)
sf2 = pygame.Surface ((6, 8), 0, bpp)
sf2.fill ((255, 0, 255))
val = sf.map_rgb ((255, 0, 255))
ar2 = pygame.PixelArray (sf2)
ar[:] = ar2[:]
self.assertEqual (ar[0][0], val)
self.assertEqual (ar[5][7], val)
def test_subscript (self):
# By default we do not need to work with any special __***__
# methods as map subscripts are the first looked up by the
# object system.
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((6, 8), 0, bpp)
sf.set_at ((1, 3), (0, 255, 0))
sf.set_at ((0, 0), (0, 255, 0))
sf.set_at ((4, 4), (0, 255, 0))
val = sf.map_rgb ((0, 255, 0))
ar = pygame.PixelArray (sf)
# Test single value requests.
self.assertEqual (ar[1,3], val)
self.assertEqual (ar[0,0], val)
self.assertEqual (ar[4,4], val)
self.assertEqual (ar[1][3], val)
self.assertEqual (ar[0][0], val)
self.assertEqual (ar[4][4], val)
# Test ellipse working.
self.assertEqual (len (ar[...,...]), 6)
self.assertEqual (len (ar[1,...]), 8)
self.assertEqual (len (ar[...,3]), 6)
# Test simple slicing
self.assertEqual (len (ar[:,:]), 6)
self.assertEqual (len (ar[:,]), 6)
self.assertEqual (len (ar[1,:]), 8)
self.assertEqual (len (ar[:,2]), 6)
# Empty slices
self.assertEqual (ar[4:4,], None)
self.assertEqual (ar[4:4,...], None)
self.assertEqual (ar[4:4,2:2], None)
self.assertEqual (ar[4:4,1:4], None)
self.assertEqual (ar[4:4:2,], None)
self.assertEqual (ar[4:4:-2,], None)
self.assertEqual (ar[4:4:1,...], None)
self.assertEqual (ar[4:4:-1,...], None)
self.assertEqual (ar[4:4:1,2:2], None)
self.assertEqual (ar[4:4:-1,1:4], None)
self.assertEqual (ar[...,4:4], None)
self.assertEqual (ar[1:4,4:4], None)
self.assertEqual (ar[...,4:4:1], None)
self.assertEqual (ar[...,4:4:-1], None)
self.assertEqual (ar[2:2,4:4:1], None)
self.assertEqual (ar[1:4,4:4:-1], None)
# Test advanced slicing
ar[0] = 0
ar[1] = 1
ar[2] = 2
ar[3] = 3
ar[4] = 4
ar[5] = 5
# We should receive something like [0,2,4]
self.assertEqual (ar[::2,1][0], 0)
self.assertEqual (ar[::2,1][1], 2)
self.assertEqual (ar[::2,1][2], 4)
# We should receive something like [2,2,2]
self.assertEqual (ar[2,::2][0], 2)
self.assertEqual (ar[2,::2][1], 2)
self.assertEqual (ar[2,::2][2], 2)
# Should create a 3x3 array of [0,2,4]
ar2 = ar[::2,::2]
self.assertEqual (len (ar2), 3)
self.assertEqual (ar2[0][0], 0)
self.assertEqual (ar2[0][1], 0)
self.assertEqual (ar2[0][2], 0)
self.assertEqual (ar2[2][0], 4)
self.assertEqual (ar2[2][1], 4)
self.assertEqual (ar2[2][2], 4)
self.assertEqual (ar2[1][0], 2)
self.assertEqual (ar2[2][0], 4)
self.assertEqual (ar2[1][1], 2)
# Should create a reversed 3x8 array over X of [1,2,3] -> [3,2,1]
ar2 = ar[3:0:-1]
self.assertEqual (len (ar2), 3)
self.assertEqual (ar2[0][0], 3)
self.assertEqual (ar2[0][1], 3)
self.assertEqual (ar2[0][2], 3)
self.assertEqual (ar2[0][7], 3)
self.assertEqual (ar2[2][0], 1)
self.assertEqual (ar2[2][1], 1)
self.assertEqual (ar2[2][2], 1)
self.assertEqual (ar2[2][7], 1)
self.assertEqual (ar2[1][0], 2)
self.assertEqual (ar2[1][1], 2)
# Should completely reverse the array over X -> [5,4,3,2,1,0]
ar2 = ar[::-1]
self.assertEqual (len (ar2), 6)
self.assertEqual (ar2[0][0], 5)
self.assertEqual (ar2[0][1], 5)
self.assertEqual (ar2[0][3], 5)
self.assertEqual (ar2[0][-1], 5)
self.assertEqual (ar2[1][0], 4)
self.assertEqual (ar2[1][1], 4)
self.assertEqual (ar2[1][3], 4)
self.assertEqual (ar2[1][-1], 4)
self.assertEqual (ar2[-1][-1], 0)
self.assertEqual (ar2[-2][-2], 1)
self.assertEqual (ar2[-3][-1], 2)
# Test advanced slicing
ar[:] = 0
ar2 = ar[:,1]
ar2[:] = [99] * len(ar2)
self.assertEqual (ar2[0], 99)
self.assertEqual (ar2[-1], 99)
self.assertEqual (ar2[-2], 99)
self.assertEqual (ar2[2], 99)
self.assertEqual (ar[0,1], 99)
self.assertEqual (ar[1,1], 99)
self.assertEqual (ar[2,1], 99)
self.assertEqual (ar[-1,1], 99)
self.assertEqual (ar[-2,1], 99)
def test_ass_subscript (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((6, 8), 0, bpp)
sf.fill ((255, 255, 255))
ar = pygame.PixelArray (sf)
# Test ellipse working
ar[...,...] = (0, 0, 0)
self.assertEqual (ar[0,0], 0)
self.assertEqual (ar[1,0], 0)
self.assertEqual (ar[-1,-1], 0)
ar[...,] = (0, 0, 255)
self.assertEqual (ar[0,0], sf.map_rgb ((0, 0, 255)))
self.assertEqual (ar[1,0], sf.map_rgb ((0, 0, 255)))
self.assertEqual (ar[-1,-1], sf.map_rgb ((0, 0, 255)))
ar[:,...] = (255, 0, 0)
self.assertEqual (ar[0,0], sf.map_rgb ((255, 0, 0)))
self.assertEqual (ar[1,0], sf.map_rgb ((255, 0, 0)))
self.assertEqual (ar[-1,-1], sf.map_rgb ((255, 0, 0)))
def test_make_surface (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((10, 20), 0, bpp)
sf.fill ((255, 255, 255))
ar = pygame.PixelArray (sf)
newsf = ar[::2,::2].make_surface ()
rect = newsf.get_rect ()
self.assertEqual (rect.width, 5)
self.assertEqual (rect.height, 10)
def test_iter (self):
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((5, 10), 0, bpp)
ar = pygame.PixelArray (sf)
iterations = 0
for col in ar:
self.assertEqual (len (col), 10)
iterations += 1
self.assertEqual (iterations, 5)
def test_replace (self):
#print "replace start"
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((10, 10), 0, bpp)
sf.fill ((255, 0, 0))
rval = sf.map_rgb ((0, 0, 255))
oval = sf.map_rgb ((255, 0, 0))
ar = pygame.PixelArray (sf)
ar[::2].replace ((255, 0, 0), (0, 0, 255))
self.assertEqual (ar[0][0], rval)
self.assertEqual (ar[1][0], oval)
self.assertEqual (ar[2][3], rval)
self.assertEqual (ar[3][6], oval)
self.assertEqual (ar[8][9], rval)
self.assertEqual (ar[9][9], oval)
ar[::2].replace ((0, 0, 255), (255, 0, 0), weights=(10, 20, 50))
self.assertEqual (ar[0][0], oval)
self.assertEqual (ar[2][3], oval)
self.assertEqual (ar[3][6], oval)
self.assertEqual (ar[8][9], oval)
self.assertEqual (ar[9][9], oval)
#print "replace end"
def test_extract (self):
#print "extract start"
for bpp in (8, 16, 24, 32):
sf = pygame.Surface ((10, 10), 0, bpp)
sf.fill ((0, 0, 255))
sf.fill ((255, 0, 0), (2, 2, 6, 6))
white = sf.map_rgb ((255, 255, 255))
black = sf.map_rgb ((0, 0, 0))
ar = pygame.PixelArray (sf)
newar = ar.extract ((255, 0, 0))
self.assertEqual (newar[0][0], black)
self.assertEqual (newar[1][0], black)
self.assertEqual (newar[2][3], white)
self.assertEqual (newar[3][6], white)
self.assertEqual (newar[8][9], black)
self.assertEqual (newar[9][9], black)
newar = ar.extract ((255, 0, 0), weights=(10, 0.1, 50))
self.assertEqual (newar[0][0], black)
self.assertEqual (newar[1][0], black)
self.assertEqual (newar[2][3], white)
self.assertEqual (newar[3][6], white)
self.assertEqual (newar[8][9], black)
self.assertEqual (newar[9][9], black)
#print "extract end"
if __name__ == '__main__':
unittest.main()
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