Actual source code: ex11.c
2: static char help[] = "Demonstrates use of color map\n";
4: #include <petscsys.h>
5: #include <petscdraw.h>
7: int main(int argc, char **argv)
8: {
9: PetscDraw draw;
11: PetscFunctionBeginUser;
12: PetscCall(PetscInitialize(&argc, &argv, NULL, help));
14: PetscCall(PetscDrawCreate(PETSC_COMM_SELF, 0, "Title", 0, 0, 256, 256, &draw));
15: PetscCall(PetscDrawSetFromOptions(draw));
17: PetscCall(PetscDrawStringBoxed(draw, .5, .5, PETSC_DRAW_BLUE, PETSC_DRAW_RED, "Greetings", NULL, NULL));
19: PetscCall(PetscDrawStringBoxed(draw, .25, .75, PETSC_DRAW_BLUE, PETSC_DRAW_RED, "How\nare\nyou?", NULL, NULL));
20: PetscCall(PetscDrawStringBoxed(draw, .25, .25, PETSC_DRAW_GREEN, PETSC_DRAW_RED, "Long line followed by a very\nshort line", NULL, NULL));
21: PetscCall(PetscDrawFlush(draw));
22: PetscCall(PetscDrawDestroy(&draw));
23: PetscCall(PetscFinalize());
24: return 0;
25: }
27: /*TEST
29: build:
30: requires: x
32: test:
33: output_file: output/ex1_1.out
35: TEST*/