Shamusworld >> Repos - architektonas/blob - src/base/rs_previewactioninterface.h

   1 #ifndef RS_PREVIEWACTIONINTERFACE_H
   2 #define RS_PREVIEWACTIONINTERFACE_H
   3
   4 #include "rs_actioninterface.h"
   5
   6 class RS_Preview;
   7
   8 /**
   9  * This is the interface that must be implemented for all
  10  * action classes which need a preview.
  11  *
  12  * @author Andrew Mustun
  13  */
  14 class RS_PreviewActionInterface: public RS_ActionInterface
  15 {
  16         public:
  17                 RS_PreviewActionInterface(const char * name,
  18                         RS_EntityContainer & container, RS_GraphicView & graphicView);
  19                 virtual ~RS_PreviewActionInterface();
  20
  21                 virtual void init(int status = 0);
  22                 virtual void finish();
  23                 virtual void suspend();
  24                 virtual void resume();
  25                 virtual void trigger();
  26                 void clearPreview();
  27                 void drawPreview();
  28                 void deletePreview();
  29
  30         private:
  31                 void xorPreview();
  32
  33         protected:
  34                 /**
  35                 * Preview that holds the entities to be previewed.
  36                 */
  37                 RS_Preview * preview;
  38                 /**
  39                 * Keeps track of the drawings in XOR mode.
  40                 */
  41                 bool visible;
  42                 /**
  43                 * Current offset of the preview.
  44                 */
  45                 Vector offset;
  46 };
  47
  48 #endif