#ifndef __graphele_h_ #define __graphele_h_ #include"systspec.h" #include"object.h" #include"usrinter.h" #include"shapes.h" #include"colour.h" #include"types.h" //decide the pixmap type #ifdef XWIN #define PIXMAPTYPE Pixmap #elif defined MSWIN #define PIXMAPTYPE HBITMAP #elif defined VTX #define PIXMAPTYPE char #endif class GraphElement : public Object { protected: #ifdef XWIN //for X-Win only Display *display; //pointer to display connection Window window; //the window itself int screen; //the screen GC gc; //the graphic context unsigned int depth; //the screen depth #elif defined MSWIN //for MS-Win only HWND hwnd; //handle to the window itself HDC hdcMemory; //handle to the device context memory #endif PIXMAPTYPE pixmap; //this is the pixmap void consfn(); //function to help with constructing void pix(PIXMAPTYPE *,SHAPETYPE [],COLOURTYPE,COLOURTYPE); //create pixmap public: virtual void draw(int,int); //draw graphical element virtual ~GraphElement(void)=0; //destructor }; #endif