32 lines
875 B
C++
32 lines
875 B
C++
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// Fl_Overlay_Window.H
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// A window using double-buffering and able to draw an overlay
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// on top of that. Uses the hardware to draw the overlay if
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// possible, otherwise it just draws in the front buffer.
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#ifndef Fl_Overlay_Window_H
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#define Fl_Overlay_Window_H
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#include "Fl_Double_Window.H"
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class Fl_Overlay_Window : public Fl_Double_Window {
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friend class _Fl_Overlay;
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virtual void draw_overlay() = 0;
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Fl_Window *overlay_;
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public:
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void show();
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void flush();
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void hide();
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void resize(int,int,int,int);
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~Fl_Overlay_Window();
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int can_do_overlay();
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void redraw_overlay();
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Fl_Overlay_Window(int W, int H, const char *l=0)
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: Fl_Double_Window(W,H,l) {overlay_ = 0;}
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Fl_Overlay_Window(int X, int Y, int W, int H, const char *l=0)
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: Fl_Double_Window(X,Y,W,H,l) {overlay_ = 0;}
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void show(int a, char **b) {Fl_Double_Window::show(a,b);}
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};
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#endif
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