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- //========================================================================
- //
- // LTKDblBufCanvas.h
- //
- // Copyright 1996 Derek B. Noonburg
- //
- //========================================================================
-
- #ifndef LTKDBLBUFCANVAS_H
- #define LTKDBLBUFCANVAS_H
-
- #ifdef __GNUC__
- #pragma interface
- #endif
-
- #include <stddef.h>
- #include <X11/Xlib.h>
- #include "LTKWidget.h"
-
- //------------------------------------------------------------------------
- // LTKDblBufCanvas
- //------------------------------------------------------------------------
-
- class LTKDblBufCanvas: public LTKWidget {
- public:
-
- //---------- constructor and destructor ----------
-
- LTKDblBufCanvas(char *name1, int widgetNum1,
- int minWidth1, int minHeight1);
-
- virtual ~LTKDblBufCanvas();
-
- //---------- special access ----------
-
- Pixmap getPixmap() { return pixmap; }
-
- //---------- layout ----------
-
- virtual void layout1();
- virtual void layout3();
-
- //---------- drawing ----------
-
- virtual void redraw();
-
- protected:
-
- int minWidth, minHeight; // minimum size
- Pixmap pixmap; // the off-screen drawable
- };
-
- #endif
-