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