		alignment (tbitmap)
pl	ro	alignment (tmaskedbitmap)
	ro	canvas (tsimplebitmap)
		colorbackground (tbitmap)
pl	ro	colorbackground (tmaskedbitmap)
		colorforeground (tbitmap)
pl	ro	colorforeground (tmaskedbitmap)
		colormask (tmaskedbitmap)
		graymask (tmaskedbitmap)
		handle (tsimplebitmap)
		height (tsimplebitmap)
		kind (tsimplebitmap)
		mask (tmaskedbitmap)
		maskcolorbackground (tmaskedbitmap)
		maskcolorforeground (tmaskedbitmap)
		masked (tmaskedbitmap)
		maskkind (tmaskedbitmap)
		mask_pos (tmaskedbitmap)
pl		mask_source (tmaskedbitmap)
pl		mask_x (tmaskedbitmap)
pl		mask_y (tmaskedbitmap)
		onchange (tbitmap)
		opacity (tbitmap)
pl	ro	opacity (tmaskedbitmap)
pl		options (tmaskedbitmap)
pl		origformat (tmaskedbitmap)
		origformatdata (tmaskedbitmap)
		pixel (tbitmap)
		pixels (tbitmap)
	ro	scanhigh (tbitmap)
	ro	scanline (tbitmap)
	ro	scanlinestep (tbitmap)
		size (tsimplebitmap)
pl		source (tmaskedbitmap)
pl		transparentcolor (tmaskedbitmap)
		width (tsimplebitmap)