def test_SDL_FillRect(self):
rectlist = (
rect.SDL_Rect(0, 0, 0, 0),
rect.SDL_Rect(0, 0, 10, 10),
rect.SDL_Rect(0, 0, -10, 10),
rect.SDL_Rect(0, 0, -10, -10),
rect.SDL_Rect(-10, -10, 10, 10),
rect.SDL_Rect(10, -10, 10, 10),
rect.SDL_Rect(10, 10, 10, 10),
)
bpp = c_int()
rmask, gmask, bmask, amask = Uint32(), Uint32(), Uint32(), Uint32()
for fmt in pixels.ALL_PIXELFORMATS:
if pixels.SDL_ISPIXELFORMAT_FOURCC(fmt):
continue
if pixels.SDL_BITSPERPIXEL(fmt) < 8:
continue # Skip < 8bpp, SDL_FillRect does not work on those
ret = pixels.SDL_PixelFormatEnumToMasks(fmt, byref(bpp),
byref(rmask), byref(gmask),
byref(bmask), byref(amask))
self.assertEqual(ret, SDL_TRUE)
for w in range(1, 100, 5):
for h in range(1, 100, 5):
sf = surface.SDL_CreateRGBSurface(0, w, h, bpp, rmask,
gmask, bmask, amask)
for r in rectlist:
# TODO: check for changed pixels
ret = surface.SDL_FillRect(sf, r, 0xff00ff00)
self.assertEqual(ret, 0)
surface.SDL_FreeSurface(sf)
def test_SDL_BlitSurface(self):
bpp = 32
w, h = 10, 10
# no alpha to prevent blending
masks = (0xFF000000, 0x00FF0000, 0x0000FF00, 0x00000000)
dest = surface.SDL_CreateRGBSurface(0, w, h, bpp, masks[0], masks[1],
masks[2], masks[3])
pixelsize = h * dest.contents.pitch
rowlen = dest.contents.pitch // 4
sources = []
for width, height in blitsizes:
src = surface.SDL_CreateRGBSurface(0, width, height, bpp, masks[0],
masks[1], masks[2], masks[3])
surface.SDL_FillRect(src, None, 0xFFFFFFFF) # fill with white
sources.append(src)
for src in sources:
for pos in blitpositions:
drect = pos.__copy__()
surface.SDL_FillRect(dest, None, 0x0) # fill with black
surface.SDL_BlitSurface(src, None, dest, drect)
buf = cast(dest.contents.pixels, POINTER(Uint8 * pixelsize))
pbuf = CTypesView(buf.contents, itemsize=1, objsize=pixelsize)
iview = pbuf.to_uint32()
pw = drect.x + drect.w
ph = drect.y + drect.h
for y in range(dest.contents.h):
for x in range(dest.contents.w):
col = iview[y * rowlen + x]
if y >= drect.y and y < ph and \
x >= drect.x and x < pw:
self.assertEqual(col,
0xFFFFFFFF,
msg="""color
mismatch at %d,%d for %s: %d != %d""" % (y, x, pos, col, 0xFFFFFFFF))
else:
self.assertEqual(col,
0x0,
msg="""color mismatch
at %d,%d for %s: %d != %d""" % (y, x, pos, col, 0x0))
while len(sources) > 0:
sf = sources.pop()
surface.SDL_FreeSurface(sf)
surface.SDL_FreeSurface(dest)