2: static char help[] = "Demonstrates opening and drawing in a window\n";

  4: #include <petscsys.h>
  5: #include <petscdraw.h>

  9: int main(int argc,char **argv)
 10: {
 11:   PetscDraw      draw;
 13:   int            x = 0,y = 0,width = 300,height = 300;

 15:   PetscInitialize(&argc,&argv,NULL,help);

 17:   PetscDrawCreate(PETSC_COMM_WORLD,0,"Title",x,y,width,height,&draw);
 18:   PetscDrawSetPause(draw,2.0);
 19:   PetscDrawSetFromOptions(draw);
 20:   PetscDrawSetViewPort(draw,.25,.25,.75,.75);

 22:   PetscDrawLine(draw,0.0,0.0,1.0,1.0,PETSC_DRAW_BLACK);
 23:   PetscDrawString(draw,.2,.2,PETSC_DRAW_RED,"Some Text");
 24:   PetscDrawString(draw,.5,.5,PETSC_DRAW_GREEN,"Some Text");
 25:   PetscDrawString(draw,.2,.8,PETSC_DRAW_BLUE,"Some Text");
 26:   PetscDrawFlush(draw);
 27:   PetscDrawPause(draw);
 28:   PetscDrawSave(draw);

 30:   PetscDrawClear(draw);
 31:   /*PetscDrawStringSetSize(draw,.5,.5);*/
 32:   PetscDrawString(draw,.2,.2,PETSC_DRAW_RED,"Some Text");
 33:   PetscDrawString(draw,.5,.5,PETSC_DRAW_GREEN,"Some Text");
 34:   PetscDrawString(draw,.2,.8,PETSC_DRAW_BLUE,"Some Text");
 35:   PetscDrawFlush(draw);
 36:   PetscDrawPause(draw);
 37:   PetscDrawSave(draw);

 39:   PetscDrawResizeWindow(draw,600,600);
 40:   PetscDrawGetWindowSize(draw,&width,&height);
 41:   PetscDrawSetViewPort(draw,0,0,1,1);
 42:   PetscDrawClear(draw);
 43:   /*PetscDrawLine(draw,0.0,0.0,1.0,1.0,PETSC_DRAW_RED);*/
 44:   /*PetscDrawLine(draw,0.0,1.0,1.0,0.0,PETSC_DRAW_BLUE);*/
 45:   PetscDrawString(draw,.2,.2,PETSC_DRAW_RED,"Some Text\n  Some Other Text");
 46:   PetscDrawString(draw,.5,.5,PETSC_DRAW_RED,"ABCygj\n()[]F$");
 47:   PetscDrawString(draw,0,0,PETSC_DRAW_RED,"Horizontal Text (ABCygj)");
 48:   PetscDrawStringVertical(draw,0,1,PETSC_DRAW_RED,"Vertical Text");
 49:   PetscDrawFlush(draw);
 50:   PetscDrawPause(draw);
 51:   PetscDrawSave(draw);

 53:   PetscDrawDestroy(&draw);
 54:   PetscFinalize();
 55:   return 0;
 56: }