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

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

  7: int main(int argc,char **argv)
  8: {
  9:   PetscDraw      draw;
 11:   int            x = 0,y = 0,width = 300,height = 300;

 13:   PetscInitialize(&argc,&argv,NULL,help);if (ierr) return ierr;

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

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

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

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

 51:   PetscDrawDestroy(&draw);
 52:   PetscFinalize();
 53:   return ierr;
 54: }



 58: /*TEST

 60:    build:
 61:      requires: x

 63:    test:
 64:      output_file: output/ex1_1.out

 66: TEST*/