Date: 2021-03-03T22:25:35+00:00

Actual source code: dellipse.c
petsc-3.14.5 2021-03-03
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      2: /*
      3:        Provides the calling sequences for all the basic Draw routines.
      4: */
      5: #include <petsc/private/drawimpl.h>

      7: /*@
      8:   PetscDrawEllipse - Draws an ellipse onto a drawable.

     10:   Not collective

     12:   Input Parameters:
     13: + draw - The drawing context
     14: . x,y  - The center
     15: . a,b  - The major and minor axes lengths
     16: - c    - The color

     18:   Level: beginner

     20: .seealso: PetscDrawRectangle(), PetscDrawTriangle(), PetscDrawMarker(), PetscDrawPoint(), PetscDrawString(), PetscDrawArrow()
     21: @*/
     22: PetscErrorCode  PetscDrawEllipse(PetscDraw draw, PetscReal x, PetscReal y, PetscReal a, PetscReal b, int c)
     23: {

     28:   if (!draw->ops->ellipse) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"No support for drawing ellipses");
     29:   (*draw->ops->ellipse)(draw, x, y, a, b, c);
     30:   return(0);
     31: }