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 PetscErrorCode ierr; 11 12 ierr = PetscInitialize(&argc,&argv,NULL,help);if (ierr) return ierr; 13 14 ierr = PetscDrawCreate(PETSC_COMM_SELF,0,"Title",0,0,256,256,&draw);CHKERRQ(ierr); 15 ierr = PetscDrawSetFromOptions(draw);CHKERRQ(ierr); 16 17 ierr = PetscDrawStringBoxed(draw,.5,.5,PETSC_DRAW_BLUE,PETSC_DRAW_RED,"Greetings",NULL,NULL);CHKERRQ(ierr); 18 19 ierr = PetscDrawStringBoxed(draw,.25,.75,PETSC_DRAW_BLUE,PETSC_DRAW_RED,"How\nare\nyou?",NULL,NULL);CHKERRQ(ierr); 20 ierr = PetscDrawStringBoxed(draw,.25,.25,PETSC_DRAW_GREEN,PETSC_DRAW_RED,"Long line followed by a very\nshort line",NULL,NULL);CHKERRQ(ierr); 21 ierr = PetscDrawFlush(draw);CHKERRQ(ierr); 22 ierr = PetscDrawDestroy(&draw);CHKERRQ(ierr); 23 ierr = PetscFinalize(); 24 return ierr; 25 } 26 27 /*TEST 28 29 build: 30 requires: x 31 32 test: 33 output_file: output/ex1_1.out 34 35 TEST*/ 36