1 2 /* 3 Provides the calling sequences for all the basic PetscDraw routines. 4 */ 5 #include <petsc/private/drawimpl.h> /*I "petscdraw.h" I*/ 6 7 /*@ 8 PetscDrawSetCoordinates - Sets the application coordinates of the corners of 9 the window (or page). 10 11 Not collective 12 13 Input Parameters: 14 + draw - the drawing object 15 - xl,yl,xr,yr - the coordinates of the lower left corner and upper 16 right corner of the drawing region. 17 18 Level: advanced 19 20 .seealso: `PetscDraw`, `PetscDrawGetCoordinates()` 21 @*/ 22 PetscErrorCode PetscDrawSetCoordinates(PetscDraw draw, PetscReal xl, PetscReal yl, PetscReal xr, PetscReal yr) { 23 PetscFunctionBegin; 24 PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1); 25 draw->coor_xl = xl; 26 draw->coor_yl = yl; 27 draw->coor_xr = xr; 28 draw->coor_yr = yr; 29 PetscTryTypeMethod(draw, setcoordinates, xl, yl, xr, yr); 30 PetscFunctionReturn(0); 31 } 32 33 /*@ 34 PetscDrawGetCoordinates - Gets the application coordinates of the corners of 35 the window (or page). 36 37 Not Collective 38 39 Input Parameter: 40 . draw - the drawing object 41 42 Level: advanced 43 44 Output Parameters: 45 + xl - the horizontal coordinate of the lower left corner of the drawing region. 46 . yl - the vertical coordinate of the lower left corner of the drawing region. 47 . xr - the horizontal coordinate of the upper right corner of the drawing region. 48 - yr - the vertical coordinate of the upper right corner of the drawing region. 49 50 .seealso: `PetscDraw`, `PetscDrawSetCoordinates()` 51 @*/ 52 PetscErrorCode PetscDrawGetCoordinates(PetscDraw draw, PetscReal *xl, PetscReal *yl, PetscReal *xr, PetscReal *yr) { 53 PetscFunctionBegin; 54 PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1); 55 PetscValidRealPointer(xl, 2); 56 PetscValidRealPointer(yl, 3); 57 PetscValidRealPointer(xr, 4); 58 PetscValidRealPointer(yr, 5); 59 *xl = draw->coor_xl; 60 *yl = draw->coor_yl; 61 *xr = draw->coor_xr; 62 *yr = draw->coor_yr; 63 PetscFunctionReturn(0); 64 } 65