2: /* 3: Provides the calling sequences for all the basic PetscDraw routines. 4: */ 5: #include <../src/sys/draw/drawimpl.h> /*I "petscdraw.h" I*/ 9: /*@ 10: PetscDrawLineGetWidth - Gets the line width for future draws. The width is 11: relative to the user coordinates of the window; 0.0 denotes the natural 12: width; 1.0 denotes the interior viewport. 14: Not collective 16: Input Parameter: 17: . draw - the drawing context 19: Output Parameter: 20: . width - the width in user coordinates 22: Level: advanced 24: Notes: 25: Not currently implemented. 27: Concepts: line^width 29: .seealso: PetscDrawLineSetWidth() 30: @*/ 31: PetscErrorCode PetscDrawLineGetWidth(PetscDraw draw,PetscReal *width) 32: { 34: PetscBool isdrawnull; 39: PetscObjectTypeCompare((PetscObject)draw,PETSC_DRAW_NULL,&isdrawnull); 40: if (isdrawnull) return(0); 41: if (!draw->ops->linegetwidth) SETERRQ1(PETSC_COMM_SELF,PETSC_ERR_SUP,"This draw object %s does not support getting line width",((PetscObject)draw)->type_name); 42: (*draw->ops->linegetwidth)(draw,width); 43: return(0); 44: }