def createCharTexture( self, char, mode=None ): """Create character's texture/bitmap as a Numeric array w/ width and height This uses PyGame and Numeric to attempt to create an anti-aliased luminance texture-map of the given character and return it as (data, width, height). """ try: letter_render = self.font.render( char, 1, (255,255,255) ) except: traceback.print_exc() return None, font.CharacterMetrics(char,0,0) else: # XXX Figure out why this rotate appears to be required :( letter_render = transform.rotate( letter_render, -90.0) colour = surfarray.array3d( letter_render ) alpha = surfarray.array_alpha( letter_render ) colour[:,:,1] = alpha colour = colour[:,:,:2] colour = contiguous( colour ) # This produces what looks like garbage, but displays correctly colour.shape = (colour.shape[1],colour.shape[0],)+colour.shape[2:] return colour, font.CharacterMetrics( char, colour.shape[0], colour.shape[1], )
def createCharTexture(self, char, mode=None):
"""Create character's texture/bitmap as a Numeric array w/ width and height
This uses PyGame and Numeric to attempt to create
an anti-aliased luminance texture-map of the given
character and return it as (data, width, height).
"""
try:
letter_render = self.font.render(char, 1, (255, 255, 255))
except:
traceback.print_exc()
return None, font.CharacterMetrics(char, 0, 0)
else:
# XXX Figure out why this rotate appears to be required :(
letter_render = transform.rotate(letter_render, -90.0)
colour = surfarray.array3d(letter_render)
alpha = surfarray.array_alpha(letter_render)
colour[:, :, 1] = alpha
colour = colour[:, :, :2]
colour = contiguous(colour).astype('B')
# This produces what looks like garbage, but displays correctly
colour.shape = (
colour.shape[1],
colour.shape[0],
) + colour.shape[2:]
return colour, font.CharacterMetrics(
char,
colour.shape[0],
colour.shape[1],
)
def runTest(self) -> None:
width, height = 800, 600
screen = pygame.display.set_mode((width * 2, height))
pygame.display.set_caption("Blur5x5Array32")
checker = pygame.image.load(
'../Assets/background_checker.png').convert()
checker = pygame.transform.smoothscale(checker, (1600, 600))
background = pygame.image.load('../Assets/Aliens.jpg').convert_alpha()
background = pygame.transform.smoothscale(background, (800, 600))
# Basic checks blurring an array with only 255 values
# Full array with 255 values
full_255 = numpy.full((800, 600, 4), (255, 255, 255, 0), numpy.uint8)
blur_array = blur5x5_array32(full_255)
self.assertTrue(numpy.array_equal(blur_array, full_255))
# Basic checks blurring an array with only 0 values
full_0 = numpy.full((800, 600, 4), (0, 0, 0, 0), numpy.uint8)
blur_array = blur5x5_array32(full_0)
self.assertTrue(numpy.array_equal(blur_array, full_0))
self.assertEqual(background.get_bytesize(), 4)
rgba_array = array3d(background)
blur_rgba_array = blur5x5_array32(rgba_array)
self.assertIsInstance(blur_rgba_array, numpy.ndarray)
background = pygame.image.load('../Assets/Aliens.jpg').convert_alpha()
background = pygame.transform.smoothscale(background, (800, 600))
alpha_array = array_alpha(background)
rgb_array = array3d(background)
rgba_array = numpy.dstack((rgb_array, alpha_array)).transpose(1, 0, 2)
blur_rgba_array = blur5x5_array32(rgba_array)
w, h, d = blur_rgba_array.shape
# Check if the array kept the same dimensions width and height
# Check also that the alpha channel as been removed
self.assertTrue(d == 4)
self.assertTrue(w == 600)
self.assertTrue(h == 800)
self.assertIsInstance(blur_rgba_array, numpy.ndarray)
blur_surface = pygame.image.frombuffer(blur_rgba_array, (h, w), 'RGBA')
# Array shape (w, h, 4) uint8
rgba_array = numpy.zeros((800, 600, 4), numpy.uint8)
blur5x5_array32(rgba_array)
# Testing wrong datatype
rgba_array = numpy.zeros((800, 600, 4), numpy.float32)
self.assertRaises(ValueError, blur5x5_array32, rgba_array)
# Testing wrong datatype
rgba_array = numpy.zeros((800, 600, 4), numpy.int8)
self.assertRaises(ValueError, blur5x5_array32, rgba_array)
display(screen, checker, background, blur_surface)
def getBitmap(upperPipes,lowerPipes,base):
obstacleSurface = pygame.Surface((SCREENWIDTH, SCREENHEIGHT),flags=pygame.SRCALPHA)
obstacleSurface.fill((0,0,0,0))
#Add obstacles
for uPipe, lPipe in zip(upperPipes, lowerPipes):
obstacleSurface.blit(IMAGES['pipe'][0], (uPipe['x'], uPipe['y']))
obstacleSurface.blit(IMAGES['pipe'][1], (lPipe['x'], lPipe['y']))
obstacleSurface.blit(IMAGES['base'], base)
#Copy alpha values
#bitmap = pygame.mask.from_surface(obstacleSurface,255)
bitmap = surfarray.array_alpha(obstacleSurface)
return bitmap
background = pygame.image.load('../Assets/Aliens.jpg').convert_alpha()
background = pygame.transform.smoothscale(background, (1280, 1024))
rgb_array = pixels3d(background)
print('\nTESTING WITH IMAGE 1280x1024')
N = 10
t = timeit.timeit("blur5x5_array24(rgb_array)",
"from __main__ import blur5x5_array24, rgb_array",
number=N)
print(
"\nPerformance testing blur5x5_array24 per call %s overall time %s for %s"
% (round(float(t) / float(N), 10), round(float(t), 5), N))
alpha_array = array_alpha(background)
rgb_array = array3d(background)
rgba_array = numpy.dstack((rgb_array, alpha_array)).transpose(1, 0, 2)
t = timeit.timeit("blur5x5_array32(rgb_array)",
"from __main__ import blur5x5_array32, rgb_array",
number=N)
print(
"\nPerformance testing blur5x5_array32 per call %s overall time %s for %s"
% (round(float(t) / float(N), 10), round(float(t), 5), N))
alpha_array = pixels_alpha(background)
rgb_array = pixels3d(background)
rgba_array = numpy.dstack((rgb_array, alpha_array)).transpose(1, 0, 2)
t = timeit.timeit("blur5x5_array32_inplace(rgba_array)",
"from __main__ import blur5x5_array32_inplace, rgba_array",
def circleMask(r):
w = h = r * 2 + 1
sf = pg.Surface((w, h), flags=pg.SRCALPHA)
gfx.filled_circle(sf, r, r, r, (0, 0, 0, 255))
return sfa.array_alpha(sf)
def fadeEdges(sf, r, startFade=0.9):
alphas = sfa.array_alpha(circleFadedEdges(r, startFade))
a = sfa.pixels_alpha(sf)
a[:] = alphas
del a
