4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Angus Leeming
9 * Full author contact details are available in file CREDITS.
15 #include "dimension.h"
29 class RenderMonitoredPreview;
33 virtual ~RenderBase() {}
35 virtual std::auto_ptr<RenderBase> clone(InsetBase const *) const = 0;
37 /// compute the size of the object returned in dim
38 virtual void metrics(MetricsInfo & mi, Dimension & dim) const = 0;
39 /// draw inset and update (xo, yo)-cache
40 virtual void draw(PainterInfo & pi, int x, int y) const = 0;
42 /// equivalent to dynamic_cast
43 virtual RenderButton * asButton() { return 0; }
44 virtual RenderGraphic * asGraphic() { return 0; }
45 virtual RenderPreview * asPreview() { return 0; }
46 virtual RenderMonitoredPreview * asMonitoredPreview() { return 0; }
50 RenderBase(RenderBase const &) {}
51 RenderBase & operator=(RenderBase const &) { return *this; }
54 mutable Dimension dim_;
60 #endif // NOT RENDER_BASE_H