Actual source code: dcoor.c

petsc-master 2020-07-05
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  2: /*
  3:        Provides the calling sequences for all the basic PetscDraw routines.
  4: */
  5:  #include <petsc/private/drawimpl.h>

  7: /*@
  8:    PetscDrawSetCoordinates - Sets the application coordinates of the corners of
  9:    the window (or page).

 11:    Not collective

 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.

 18:    Level: advanced


 21: .seealso: PetscDrawGetCoordinates()

 23: @*/
 24: PetscErrorCode  PetscDrawSetCoordinates(PetscDraw draw,PetscReal xl,PetscReal yl,PetscReal xr,PetscReal yr)
 25: {

 30:   draw->coor_xl = xl; draw->coor_yl = yl;
 31:   draw->coor_xr = xr; draw->coor_yr = yr;
 32:   if (draw->ops->setcoordinates) {
 33:     (*draw->ops->setcoordinates)(draw,xl,yl,xr,yr);
 34:   }
 35:   return(0);
 36: }

 38: /*@
 39:    PetscDrawGetCoordinates - Gets the application coordinates of the corners of
 40:    the window (or page).

 42:    Not Collective

 44:    Input Parameter:
 45: .  draw - the drawing object

 47:    Level: advanced

 49:    Ouput Parameters:
 50: .  xl,yl,xr,yr - the coordinates of the lower left corner and upper
 51:                  right corner of the drawing region.


 54: .seealso: PetscDrawSetCoordinates()

 56: @*/
 57: PetscErrorCode  PetscDrawGetCoordinates(PetscDraw draw,PetscReal *xl,PetscReal *yl,PetscReal *xr,PetscReal *yr)
 58: {
 65:   *xl = draw->coor_xl; *yl = draw->coor_yl;
 66:   *xr = draw->coor_xr; *yr = draw->coor_yr;
 67:   return(0);
 68: }