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 #include "vector.h"
   6
   7 class RS_Preview;
   8
   9 /**
  10  * This is the interface that must be implemented for all
  11  * action classes which need a preview.
  12  *
  13  * @author Andrew Mustun
  14  */
  15 class RS_PreviewActionInterface: public RS_ActionInterface
  16 {
  17         public:
  18                 RS_PreviewActionInterface(const char * name,
  19                         RS_EntityContainer & container, GraphicView & graphicView);
  20                 virtual ~RS_PreviewActionInterface();
  21
  22                 virtual void init(int status = 0);
  23                 virtual void finish();
  24                 virtual void suspend();
  25                 virtual void resume();
  26                 virtual void trigger();
  27                 void clearPreview();
  28                 void drawPreview();
  29                 void deletePreview();
  30
  31 //      private:
  32         protected:
  33                 void xorPreview();
  34
  35         protected:
  36                 /**
  37                  * Preview that holds the entities to be previewed.
  38                  */
  39                 RS_Preview * preview;
  40                 /**
  41                  * Keeps track of the drawings in XOR mode.
  42                  */
  43                 bool visible;
  44                 /**
  45                  * Current offset of the preview.
  46                  */
  47                 Vector offset;
  48 };
  49
  50 #endif