def test_blit_rect(self):
surface = RSDL.CreateRGBSurface(0, 150, 50, 32,
r_uint(0x000000FF),
r_uint(0x0000FF00),
r_uint(0x00FF0000),
r_uint(0xFF000000))
fmt = surface.c_format
color = RSDL.MapRGB(fmt, 255, 0, 0)
RSDL.FillRect(surface, lltype.nullptr(RSDL.Rect), color)
paintrect = RSDL_helper.mallocrect(75, 0, 150, 50)
dstrect = lltype.malloc(RSDL.Rect, flavor='raw')
try:
color = RSDL.MapRGB(fmt, 255, 128, 0)
RSDL.FillRect(surface, paintrect, color)
rffi.setintfield(dstrect, 'c_x', 10)
rffi.setintfield(dstrect, 'c_y', 10)
rffi.setintfield(dstrect, 'c_w', 150)
rffi.setintfield(dstrect, 'c_h', 50)
RSDL.BlitSurface(surface, lltype.nullptr(RSDL.Rect), self.screen, dstrect)
RSDL.Flip(self.screen)
finally:
lltype.free(dstrect, flavor='raw')
lltype.free(paintrect, flavor='raw')
RSDL.FreeSurface(surface)
self.check("Half Red/Orange rectangle(150px * 50px) at the top left, 10 pixels from the border")
def test_load_image():
for filename in ["demo.jpg", "demo.png"]:
image = RIMG.Load(os.path.join(autopath.this_dir, filename))
assert image
assert rffi.getintfield(image, 'c_w') == 17
assert rffi.getintfield(image, 'c_h') == 23
RSDL.FreeSurface(image)
def test_image_pixels():
for filename in ["demo.jpg", "demo.png"]:
image = RIMG.Load(os.path.join(autopath.this_dir, filename))
assert image
assert rffi.getintfield(image.c_format, 'c_BytesPerPixel') in (3, 4)
RSDL.LockSurface(image)
result = {}
try:
rgb = lltype.malloc(rffi.CArray(RSDL.Uint8), 3, flavor='raw')
try:
for y in range(23):
for x in range(y % 13, 17, 13):
color = RSDL_helper.get_pixel(image, x, y)
RSDL.GetRGB(color, image.c_format, rffi.ptradd(rgb, 0),
rffi.ptradd(rgb, 1), rffi.ptradd(rgb, 2))
r = rffi.cast(lltype.Signed, rgb[0])
g = rffi.cast(lltype.Signed, rgb[1])
b = rffi.cast(lltype.Signed, rgb[2])
result[x, y] = r, g, b
finally:
lltype.free(rgb, flavor='raw')
finally:
RSDL.UnlockSurface(image)
RSDL.FreeSurface(image)
for x, y in result:
f = (x * 17 + y * 23) / float(17 * 17 + 23 * 23)
expected_r = int(255.0 * (1.0 - f))
expected_g = 0
expected_b = int(255.0 * f)
r, g, b = result[x, y]
assert abs(r - expected_r) < 10
assert abs(g - expected_g) < 10
assert abs(b - expected_b) < 10
def test_surface_basic():
assert RSDL.Init(RSDL.INIT_VIDEO) >= 0
surface = RSDL.CreateRGBSurface(0, 150, 50, 32, r_uint(0x000000FF),
r_uint(0x0000FF00), r_uint(0x00FF0000),
r_uint(0xFF000000))
assert surface
assert rffi.getintfield(surface, 'c_w') == 150
assert rffi.getintfield(surface, 'c_h') == 50
RSDL.FreeSurface(surface)
RSDL.Quit()
def teardown_method(self, meth):
RSDL.FreeSurface(self.src_surf)
RSDL.FreeSurface(self.dst_surf)
RSDL.Quit()
