1 2 static char help[] = "Demonstrates use of color map\n"; 3 4 #include <petscsys.h> 5 #include <petscdraw.h> 6 7 int main(int argc, char **argv) 8 { 9 PetscDraw draw; 10 11 PetscFunctionBeginUser; 12 PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 13 14 PetscCall(PetscDrawCreate(PETSC_COMM_SELF, 0, "Title", 0, 0, 256, 256, &draw)); 15 PetscCall(PetscDrawSetFromOptions(draw)); 16 17 PetscCall(PetscDrawStringBoxed(draw, .5, .5, PETSC_DRAW_BLUE, PETSC_DRAW_RED, "Greetings", NULL, NULL)); 18 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 } 26 27 /*TEST 28 29 build: 30 requires: x 31 32 test: 33 output_file: output/ex1_1.out 34 35 TEST*/ 36