static char help[] = "Tests repeatedly setting a window type.\n";

#include <petscsys.h>
#include <petscdraw.h>

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

  PetscFunctionBeginUser;
  PetscCall(PetscInitialize(&argc, &argv, NULL, help));
  PetscCall(PetscDrawCreate(PETSC_COMM_WORLD, 0, "Title", x, y, width, height, &draw));
#if defined(PETSC_HAVE_X)
  PetscCall(PetscDrawSetType(draw, "x"));
  PetscCall(PetscDrawSetType(draw, "null"));
  PetscCall(PetscDrawSetType(draw, "x"));
#else
  PetscCall(PetscDrawSetType(draw, "null"));
#endif
  PetscCall(PetscDrawSetFromOptions(draw));
  PetscCall(PetscDrawSetViewPort(draw, .25, .25, .75, .75));
  PetscCall(PetscDrawClear(draw));
  PetscCall(PetscDrawLine(draw, 0.0, 0.0, 1.0, 1.0, PETSC_DRAW_BLACK));
  PetscCall(PetscDrawString(draw, .2, .2, PETSC_DRAW_RED, "Some Text"));
  PetscCall(PetscDrawStringSetSize(draw, .5, .5));
  PetscCall(PetscDrawString(draw, .2, .2, PETSC_DRAW_BLUE, "Some Text"));
  PetscCall(PetscDrawFlush(draw));
  PetscCall(PetscSleep(2));
  PetscCall(PetscDrawResizeWindow(draw, 600, 600));
  PetscCall(PetscDrawClear(draw));
  PetscCall(PetscSleep(2));
  PetscCall(PetscDrawLine(draw, 0.0, 1.0, 1.0, 0.0, PETSC_DRAW_BLUE));
  PetscCall(PetscDrawFlush(draw));
  PetscCall(PetscSleep(2));
  PetscCall(PetscDrawDestroy(&draw));
  PetscCall(PetscFinalize());
  return 0;
}

/*TEST

   build:
     requires: x

   test:
     output_file: output/empty.out

TEST*/