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,
layers=None,
background=None):
assert dst_has_alpha is False
if layers is None:
layers = self.layers
if background is None:
background = self.background
assert dst.shape[-1] == 4
if dst.dtype == 'uint8':
dst_8bit = dst
dst = numpy.empty((N, N, 4), dtype='uint16')
else:
dst_8bit = None
background.blit_tile_into(dst, dst_has_alpha, tx, ty, mipmap_level)
for layer in layers:
layer.composite_tile(dst, dst_has_alpha, tx, ty, mipmap_level)
if dst_8bit is not None:
mypaintlib.tile_convert_rgbu16_to_rgbu8(dst, dst_8bit)
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
if dst.dtype not in ('uint16', 'uint8'):
raise ValueError('Unsupported destination buffer type %r',
dst.dtype)
dst_is_uint16 = (dst.dtype == 'uint16')
with self.tile_request(tx, ty, readonly=True) as src:
if src is transparent_tile.rgba:
#dst[:] = 0 # <-- notably slower than memset()
if dst_is_uint16:
mypaintlib.tile_clear_rgba16(dst)
else:
mypaintlib.tile_clear_rgba8(dst)
else:
if dst_is_uint16:
# this will do memcpy, not worth to bother skipping the u channel
mypaintlib.tile_copy_rgba16_into_rgba16(src, dst)
else:
if dst_has_alpha:
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
else:
mypaintlib.tile_convert_rgbu16_to_rgbu8(src, dst)
def blit_tile_into(self,
dst,
dst_has_alpha,
tx,
ty,
mipmap_level=0,
*args,
**kwargs):
"""Copy one tile from this object into a destination array
See lib.surface.TileBlittable for the parameters. This
implementation adds an extra param:
:param int mipmap_level: layer mipmap level to use
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
if dst.dtype not in ('uint16', 'uint8'):
raise ValueError('Unsupported destination buffer type %r',
dst.dtype)
dst_is_uint16 = (dst.dtype == 'uint16')
with self.tile_request(tx, ty, readonly=True) as src:
if src is transparent_tile.rgba:
# dst[:] = 0 # <-- notably slower than memset()
if dst_is_uint16:
mypaintlib.tile_clear_rgba16(dst)
else:
mypaintlib.tile_clear_rgba8(dst)
else:
if dst_is_uint16:
# this will do memcpy, not worth to bother skipping
# the u channel
mypaintlib.tile_copy_rgba16_into_rgba16(src, dst)
else:
if dst_has_alpha:
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
else:
mypaintlib.tile_convert_rgbu16_to_rgbu8(src, dst)
def blit_tile_into(self, dst, dst_has_alpha, tx, ty, mipmap_level=0):
assert dst_has_alpha is False
if self.mipmap_level < mipmap_level:
return self.mipmap.blit_tile_into(dst, dst_has_alpha, tx, ty, mipmap_level)
rgbu = self.get_tile_memory(tx, ty)
# render solid or tiled background
#dst[:] = rgb # 13 times slower than below, with some bursts having the same speed as below (huh?)
# note: optimization for solid colors is not worth it, it gives only 2x speedup (at best)
if dst.dtype == 'uint16':
# this will do memcpy, not worth to bother skipping the u channel
mypaintlib.tile_copy_rgba16_into_rgba16(rgbu, dst)
else:
# this case is for saving the background
assert dst.dtype == 'uint8'
# note: when saving the background layer we usually
# convert here the same tile over and over again. But it
# does help much to cache this conversion result. The
# save_ora speedup when doing this is below 1%, even for a
# single-layer ora.
mypaintlib.tile_convert_rgbu16_to_rgbu8(rgbu, dst)
def blit_tile_into(self, dst, dst_has_alpha, tx, ty, mipmap_level=0, layers=None, background=None):
assert dst_has_alpha is False
if layers is None:
layers = self.layers
if background is None:
background = self.background
assert dst.shape[-1] == 4
if dst.dtype == 'uint8':
dst_8bit = dst
dst = numpy.empty((N, N, 4), dtype='uint16')
else:
dst_8bit = None
background.blit_tile_into(dst, dst_has_alpha, tx, ty, mipmap_level)
for layer in layers:
layer.composite_tile(dst, dst_has_alpha, tx, ty, mipmap_level)
if dst_8bit is not None:
mypaintlib.tile_convert_rgbu16_to_rgbu8(dst, dst_8bit)
def blit_tile_into(self, dst_8bit, dst_has_alpha, tx, ty, mipmap_level=0, layers=None, background=None):
assert dst_has_alpha is False
if layers is None:
layers = self.layers
if background is None:
background = self.background
assert dst_8bit.dtype == 'uint8'
assert dst_8bit.shape[-1] == 4
dst = numpy.empty((N, N, 4), dtype='uint16')
background.blit_tile_into(dst, dst_has_alpha, tx, ty, mipmap_level)
for layer in layers:
surface = layer._surface
surface.composite_tile(dst, dst_has_alpha, tx, ty,
mipmap_level=mipmap_level,
opacity=layer.effective_opacity,
mode=layer.compositeop)
mypaintlib.tile_convert_rgbu16_to_rgbu8(dst, dst_8bit)
def blit_tile_into(self, dst, dst_has_alpha, tx, ty, mipmap_level=0,
*args, **kwargs):
"""Copy one tile from this object into a destination array
See lib.surface.TileBlittable for the parameters. This
implementation adds an extra param:
:param int mipmap_level: layer mipmap level to use
"""
# 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
if dst.dtype not in ('uint16', 'uint8'):
raise ValueError('Unsupported destination buffer type %r', dst.dtype)
dst_is_uint16 = (dst.dtype == 'uint16')
with self.tile_request(tx, ty, readonly=True) as src:
if src is transparent_tile.rgba:
#dst[:] = 0 # <-- notably slower than memset()
if dst_is_uint16:
mypaintlib.tile_clear_rgba16(dst)
else:
mypaintlib.tile_clear_rgba8(dst)
else:
if dst_is_uint16:
# this will do memcpy, not worth to bother skipping the u channel
mypaintlib.tile_copy_rgba16_into_rgba16(src, dst)
else:
if dst_has_alpha:
mypaintlib.tile_convert_rgba16_to_rgba8(src, dst)
else:
mypaintlib.tile_convert_rgbu16_to_rgbu8(src, dst)
