virtual void copy_to(GraphicContext &gc, TransferBuffer &buffer, int dest_pos, int src_pos, int size)=0
Copies data to transfer buffer.
Interface to drawing graphics.
Definition: graphic_context.h:258
virtual void copy_from(GraphicContext &gc, TransferBuffer &buffer, int dest_pos, int src_pos, int size)=0
Copies data from transfer buffer.