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'
Beispiel #2
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    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)
Beispiel #3
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 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)
Beispiel #5
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    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)
Beispiel #6
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    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)