def blit_tile_into(self, dst, dst_has_alpha, tx, ty, mipmap_level=0):
# used mainly for saving (transparent PNG)
#assert dst_has_alpha is True
if self.mipmap_level < mipmap_level:
return self.mipmap.blit_tile_into(dst, dst_has_alpha, tx, ty, mipmap_level)
assert dst.shape[2] == 4
with self.tile_request(tx, ty, readonly=True) as src:
if src is transparent_tile.rgba:
#dst[:] = 0 # <-- notably slower than memset()
mypaintlib.tile_clear(dst)
else:
if dst.dtype == 'uint16':
# this will do memcpy, not worth to bother skipping the u channel
mypaintlib.tile_copy_rgba16_into_rgba16(src, dst)
elif dst.dtype == 'uint8':
if dst_has_alpha:
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
else:
mypaintlib.tile_convert_rgbu16_to_rgbu8(src, dst)
else:
raise ValueError, 'Unsupported destination buffer type'
def blit_tile_into(self, dst, dst_has_alpha, tx, ty, mipmap_level=0):
# used mainly for saving (transparent PNG)
#assert dst_has_alpha is True
if self.mipmap_level < mipmap_level:
return self.mipmap.blit_tile_into(dst, dst_has_alpha, tx, ty,
mipmap_level)
assert dst.shape[2] == 4
with self.tile_request(tx, ty, readonly=True) as src:
if src is transparent_tile.rgba:
#dst[:] = 0 # <-- notably slower than memset()
mypaintlib.tile_clear(dst)
else:
if dst.dtype == 'uint16':
# this will do memcpy, not worth to bother skipping the u channel
mypaintlib.tile_copy_rgba16_into_rgba16(src, dst)
elif dst.dtype == 'uint8':
if dst_has_alpha:
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
else:
mypaintlib.tile_convert_rgbu16_to_rgbu8(src, dst)
else:
raise ValueError, 'Unsupported destination buffer type'
def render_tile_scanlines():
feedback_counter = 0
for ty in range(render_ty, render_ty + render_th):
skip_rendering = False
if single_tile_pattern:
# optimization for simple background patterns
# e.g. solid color
if ty != first_row:
skip_rendering = True
for tx_rel in xrange(render_tw):
# render one tile
dst = arr[:, tx_rel * N:(tx_rel + 1) * N, :]
if not skip_rendering:
tx = render_tx + tx_rel
try:
surface.blit_tile_into(dst, alpha, tx, ty, **kwargs)
except Exception, ex:
logger.exception("Failed to blit tile %r of %r",
(tx, ty), surface)
mypaintlib.tile_clear(dst)
if feedback_cb and feedback_counter % TILES_PER_CALLBACK == 0:
feedback_cb()
feedback_counter += 1
# yield a numpy array of the scanline without padding
res = arr_xcrop
if ty == last_row:
res = res[:y + h - ty * N, :, :]
if ty == first_row:
res = res[y - render_ty * N:, :, :]
yield res
def render_tile_scanlines():
feedback_counter = 0
for ty in range(render_ty, render_ty+render_th):
skip_rendering = False
if single_tile_pattern:
# optimization for simple background patterns
# e.g. solid color
if ty != first_row:
skip_rendering = True
for tx_rel in xrange(render_tw):
# render one tile
dst = arr[:,tx_rel*N:(tx_rel+1)*N,:]
if not skip_rendering:
tx = render_tx + tx_rel
try:
surface.blit_tile_into(dst, alpha, tx, ty, **kwargs)
except Exception, ex:
logger.exception("Failed to blit tile %r of %r",
(tx, ty), surface)
mypaintlib.tile_clear(dst)
if feedback_cb and feedback_counter % TILES_PER_CALLBACK == 0:
feedback_cb()
feedback_counter += 1
# yield a numpy array of the scanline without padding
res = arr_xcrop
if ty == last_row:
res = res[:y+h-ty*N,:,:]
if ty == first_row:
res = res[y-render_ty*N:,:,:]
yield res
def blit_tile_into(self, dst, tx, ty, mipmap_level=0):
# used mainly for saving (transparent PNG)
if self.mipmap_level < mipmap_level:
return self.mipmap.blit_tile_into(dst, tx, ty, mipmap_level)
assert dst.shape[2] == 4
src = self.get_tile_memory(tx, ty, readonly=True)
if src is transparent_tile.rgba:
#dst[:] = 0 # <-- notably slower than memset()
mypaintlib.tile_clear(dst)
else:
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
def blit_tile_into(self, dst, tx, ty, mipmap_level=0):
# used mainly for saving (transparent PNG)
if self.mipmap_level < mipmap_level:
return self.mipmap.blit_tile_into(dst, tx, ty, mipmap_level)
assert dst.shape[2] == 4
src = self.get_tile_memory(tx, ty, readonly=True)
if src is transparent_tile.rgba:
#dst[:] = 0 # <-- notably slower than memset()
mypaintlib.tile_clear(dst)
else:
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
