1 static char help[] = "Demonstrates opening and drawing in a window\n"; 2 3 #include <petscsys.h> 4 #include <petscdraw.h> 5 6 int main(int argc, char **argv) 7 { 8 PetscDraw draw; 9 int x = 0, y = 0, width = 300, height = 300; 10 11 PetscFunctionBeginUser; 12 PetscCall(PetscInitialize(&argc, &argv, NULL, help)); 13 14 PetscCall(PetscDrawCreate(PETSC_COMM_WORLD, 0, "Title", x, y, width, height, &draw)); 15 PetscCall(PetscDrawSetPause(draw, 2.0)); 16 PetscCall(PetscDrawSetFromOptions(draw)); 17 PetscCall(PetscDrawSetViewPort(draw, .25, .25, .75, .75)); 18 19 PetscCall(PetscDrawLine(draw, 0.0, 0.0, 1.0, 1.0, PETSC_DRAW_BLACK)); 20 PetscCall(PetscDrawString(draw, .2, .2, PETSC_DRAW_RED, "Some Text")); 21 PetscCall(PetscDrawString(draw, .5, .5, PETSC_DRAW_GREEN, "Some Text")); 22 PetscCall(PetscDrawString(draw, .2, .8, PETSC_DRAW_BLUE, "Some Text")); 23 PetscCall(PetscDrawFlush(draw)); 24 PetscCall(PetscDrawPause(draw)); 25 PetscCall(PetscDrawSave(draw)); 26 27 PetscCall(PetscDrawClear(draw)); 28 /* PetscCall(PetscDrawStringSetSize(draw,.5,.5)); */ 29 PetscCall(PetscDrawString(draw, .2, .2, PETSC_DRAW_RED, "Some Text")); 30 PetscCall(PetscDrawString(draw, .5, .5, PETSC_DRAW_GREEN, "Some Text")); 31 PetscCall(PetscDrawString(draw, .2, .8, PETSC_DRAW_BLUE, "Some Text")); 32 PetscCall(PetscDrawFlush(draw)); 33 PetscCall(PetscDrawPause(draw)); 34 PetscCall(PetscDrawSave(draw)); 35 36 PetscCall(PetscDrawResizeWindow(draw, 600, 600)); 37 PetscCall(PetscDrawGetWindowSize(draw, &width, &height)); 38 PetscCall(PetscDrawSetViewPort(draw, 0, 0, 1, 1)); 39 PetscCall(PetscDrawClear(draw)); 40 /* PetscCall(PetscDrawLine(draw,0.0,0.0,1.0,1.0,PETSC_DRAW_RED)); */ 41 /* PetscCall(PetscDrawLine(draw,0.0,1.0,1.0,0.0,PETSC_DRAW_BLUE)); */ 42 PetscCall(PetscDrawString(draw, .2, .2, PETSC_DRAW_RED, "Some Text\n Some Other Text")); 43 PetscCall(PetscDrawString(draw, .5, .5, PETSC_DRAW_RED, "ABCygj\n()[]F$")); 44 PetscCall(PetscDrawString(draw, 0, 0, PETSC_DRAW_RED, "Horizontal Text (ABCygj)")); 45 PetscCall(PetscDrawStringVertical(draw, 0, 1, PETSC_DRAW_RED, "Vertical Text")); 46 PetscCall(PetscDrawFlush(draw)); 47 PetscCall(PetscDrawPause(draw)); 48 PetscCall(PetscDrawSave(draw)); 49 50 PetscCall(PetscDrawDestroy(&draw)); 51 PetscCall(PetscFinalize()); 52 return 0; 53 } 54 55 /*TEST 56 57 build: 58 requires: x 59 60 test: 61 output_file: output/ex1_1.out 62 63 TEST*/ 64