1: /*
  2:        Abstract data structure and functions for graphics.
  3: */

  5: #if !defined(_DRAWIMPL_H)
  6: #define _DRAWIMPL_H

 8:  #include petsc.h

 10: struct _PetscDrawOps {
 11:   PetscErrorCode (*setdoublebuffer)(PetscDraw);
 12:   PetscErrorCode (*flush)(PetscDraw);
 13:   PetscErrorCode (*line)(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int);
 14:   PetscErrorCode (*linesetwidth)(PetscDraw,PetscReal);
 15:   PetscErrorCode (*linegetwidth)(PetscDraw,PetscReal*);
 16:   PetscErrorCode (*point)(PetscDraw,PetscReal,PetscReal,int);
 17:   PetscErrorCode (*pointsetsize)(PetscDraw,PetscReal);
 18:   PetscErrorCode (*string)(PetscDraw,PetscReal,PetscReal,int,const char[]);
 19:   PetscErrorCode (*stringvertical)(PetscDraw,PetscReal,PetscReal,int,const char[]);
 20:   PetscErrorCode (*stringsetsize)(PetscDraw,PetscReal,PetscReal);
 21:   PetscErrorCode (*stringgetsize)(PetscDraw,PetscReal*,PetscReal*);
 22:   PetscErrorCode (*setviewport)(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal);
 23:   PetscErrorCode (*clear)(PetscDraw);
 24:   PetscErrorCode (*synchronizedflush)(PetscDraw);
 25:   PetscErrorCode (*rectangle)(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int,int,int,int);
 26:   PetscErrorCode (*triangle)(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal,PetscReal,int,int,int);
 27:   PetscErrorCode (*ellipse)(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal,int);
 28:   PetscErrorCode (*getmousebutton)(PetscDraw,PetscDrawButton*,PetscReal *,PetscReal *,PetscReal*,PetscReal*);
 29:   PetscErrorCode (*pause)(PetscDraw);
 30:   PetscErrorCode (*synchronizedclear)(PetscDraw);
 31:   PetscErrorCode (*beginpage)(PetscDraw);
 32:   PetscErrorCode (*endpage)(PetscDraw);
 33:   PetscErrorCode (*getpopup)(PetscDraw,PetscDraw*);
 34:   PetscErrorCode (*settitle)(PetscDraw,const char[]);
 35:   PetscErrorCode (*checkresizedwindow)(PetscDraw);
 36:   PetscErrorCode (*resizewindow)(PetscDraw,int,int);
 37:   PetscErrorCode (*destroy)(PetscDraw);
 38:   PetscErrorCode (*view)(PetscDraw,PetscViewer);
 39:   PetscErrorCode (*getsingleton)(PetscDraw,PetscDraw*);
 40:   PetscErrorCode (*restoresingleton)(PetscDraw,PetscDraw*);
 41:   PetscErrorCode (*setcoordinates)(PetscDraw,PetscReal,PetscReal,PetscReal,PetscReal);
 42: };

 44: struct _p_PetscDraw {
 45:   PETSCHEADER(struct _PetscDrawOps);
 46:   int             pause;       /* sleep time after a synchronized flush */
 47:   PetscReal       port_xl,port_yl,port_xr,port_yr;
 48:   PetscReal       coor_xl,coor_yl,coor_xr,coor_yr;
 49:   char            *title;
 50:   char            *display;
 51:   PetscDraw       popup;
 52:   int             x,y,h,w;
 53:   void            *data;
 54: };

 56: #endif