static char help[] = "Demonstrates use of color map\n"; #include #include int main(int argc, char **argv) { PetscDraw draw; PetscFunctionBeginUser; PetscCall(PetscInitialize(&argc, &argv, NULL, help)); PetscCall(PetscDrawCreate(PETSC_COMM_SELF, 0, "Title", 0, 0, 256, 256, &draw)); PetscCall(PetscDrawSetFromOptions(draw)); PetscCall(PetscDrawStringBoxed(draw, .5, .5, PETSC_DRAW_BLUE, PETSC_DRAW_RED, "Greetings", NULL, NULL)); PetscCall(PetscDrawStringBoxed(draw, .25, .75, PETSC_DRAW_BLUE, PETSC_DRAW_RED, "How\nare\nyou?", NULL, NULL)); PetscCall(PetscDrawStringBoxed(draw, .25, .25, PETSC_DRAW_GREEN, PETSC_DRAW_RED, "Long line followed by a very\nshort line", NULL, NULL)); PetscCall(PetscDrawFlush(draw)); PetscCall(PetscDrawDestroy(&draw)); PetscCall(PetscFinalize()); return 0; } /*TEST build: requires: x test: output_file: output/ex1_1.out TEST*/