1 /* 2 Provides the calling sequences for all the basic PetscDraw routines. 3 */ 4 #include <petsc/private/drawimpl.h> /*I "petscdraw.h" I*/ 5 6 /*@ 7 PetscDrawClear - Clears graphical output. All processors must call this routine. 8 Does not return until the draw in context is clear. 9 10 Collective on PetscDraw 11 12 Input Parameters: 13 . draw - the drawing context 14 15 Level: intermediate 16 17 @*/ 18 PetscErrorCode PetscDrawClear(PetscDraw draw) 19 { 20 PetscFunctionBegin; 21 PetscValidHeaderSpecific(draw,PETSC_DRAW_CLASSID,1); 22 if (draw->saveonclear) PetscCall(PetscDrawSave(draw)); 23 if (draw->ops->clear) PetscCall((*draw->ops->clear)(draw)); 24 PetscFunctionReturn(0); 25 } 26 27 /*@ 28 PetscDrawBOP - Begins a new page or frame on the selected graphical device. 29 30 Logically Collective on PetscDraw 31 32 Input Parameter: 33 . draw - the drawing context 34 35 Level: advanced 36 37 .seealso: `PetscDrawEOP()`, `PetscDrawClear()` 38 @*/ 39 PetscErrorCode PetscDrawBOP(PetscDraw draw) 40 { 41 PetscFunctionBegin; 42 PetscValidHeaderSpecific(draw,PETSC_DRAW_CLASSID,1); 43 if (draw->ops->beginpage) PetscCall((*draw->ops->beginpage)(draw)); 44 PetscFunctionReturn(0); 45 } 46 /*@ 47 PetscDrawEOP - Ends a page or frame on the selected graphical device. 48 49 Logically Collective on PetscDraw 50 51 Input Parameter: 52 . draw - the drawing context 53 54 Level: advanced 55 56 .seealso: `PetscDrawBOP()`, `PetscDrawClear()` 57 @*/ 58 PetscErrorCode PetscDrawEOP(PetscDraw draw) 59 { 60 PetscFunctionBegin; 61 PetscValidHeaderSpecific(draw,PETSC_DRAW_CLASSID,1); 62 if (draw->ops->endpage) PetscCall((*draw->ops->endpage)(draw)); 63 PetscFunctionReturn(0); 64 } 65