Actual source code: ex11.c

  1: static char help[] = "Demonstrates use of color map\n";

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

  6: int main(int argc, char **argv)
  7: {
  8:   PetscDraw draw;

 10:   PetscFunctionBeginUser;
 11:   PetscCall(PetscInitialize(&argc, &argv, NULL, help));

 13:   PetscCall(PetscDrawCreate(PETSC_COMM_SELF, 0, "Title", 0, 0, 256, 256, &draw));
 14:   PetscCall(PetscDrawSetFromOptions(draw));

 16:   PetscCall(PetscDrawStringBoxed(draw, .5, .5, PETSC_DRAW_BLUE, PETSC_DRAW_RED, "Greetings", NULL, NULL));

 18:   PetscCall(PetscDrawStringBoxed(draw, .25, .75, PETSC_DRAW_BLUE, PETSC_DRAW_RED, "How\nare\nyou?", NULL, NULL));
 19:   PetscCall(PetscDrawStringBoxed(draw, .25, .25, PETSC_DRAW_GREEN, PETSC_DRAW_RED, "Long line followed by a very\nshort line", NULL, NULL));
 20:   PetscCall(PetscDrawFlush(draw));
 21:   PetscCall(PetscDrawDestroy(&draw));
 22:   PetscCall(PetscFinalize());
 23:   return 0;
 24: }

 26: /*TEST

 28:    build:
 29:      requires: x

 31:    test:
 32:      output_file: output/ex1_1.out

 34: TEST*/