1 static char help[] = "Demonstrates use of color map\n"; 2 3 #include <petscsys.h> 4 #include <petscdraw.h> 5 6 int main(int argc, char **argv) 7 { 8 PetscDraw draw; 9 10 PetscFunctionBeginUser; 11 PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 12 13 PetscCall(PetscDrawCreate(PETSC_COMM_SELF, 0, "Title", 0, 0, 256, 256, &draw)); 14 PetscCall(PetscDrawSetFromOptions(draw)); 15 16 PetscCall(PetscDrawStringBoxed(draw, .5, .5, PETSC_DRAW_BLUE, PETSC_DRAW_RED, "Greetings", NULL, NULL)); 17 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 } 25 26 /*TEST 27 28 build: 29 requires: x 30 31 test: 32 output_file: output/empty.out 33 34 TEST*/ 35