#include /*I "petscdraw.h" I*/ /*@ PetscDrawPoint - draws a point onto a drawable. Not Collective Input Parameters: + draw - the drawing context . xl,yl - the coordinates of the point - cl - the color of the point Level: beginner .seealso: `PetscDraw`, `PetscDrawPointPixel()`, `PetscDrawPointSetSize()`, `PetscDrawLine()`, `PetscDrawRectangle()`, `PetscDrawTriangle()`, `PetscDrawEllipse()`, `PetscDrawMarker()`, `PetscDrawString()`, `PetscDrawArrow()` @*/ PetscErrorCode PetscDrawPoint(PetscDraw draw, PetscReal xl, PetscReal yl, int cl) { PetscFunctionBegin; PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1); PetscUseTypeMethod(draw, point, xl, yl, cl); PetscFunctionReturn(PETSC_SUCCESS); } /*@ PetscDrawPointPixel - draws a point onto a drawable, in pixel coordinates Not Collective Input Parameters: + draw - the drawing context . x,y - the pixel coordinates of the point - c - the color of the point Level: beginner .seealso: `PetscDraw`, `PetscDrawPoint()`, `PetscDrawPointSetSize()` @*/ PetscErrorCode PetscDrawPointPixel(PetscDraw draw, int x, int y, int c) { PetscFunctionBegin; PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1); PetscUseTypeMethod(draw, pointpixel, x, y, c); PetscFunctionReturn(PETSC_SUCCESS); } /*@ PetscDrawPointSetSize - Sets the point size for future draws. The size is relative to the user coordinates of the window; 0.0 denotes the natural width, 1.0 denotes the entire viewport. Not Collective Input Parameters: + draw - the drawing context - width - the width in user coordinates Level: advanced Note: Even a size of zero insures that a single pixel is colored. .seealso: `PetscDraw`, `PetscDrawPoint()`, `PetscDrawMarker()` @*/ PetscErrorCode PetscDrawPointSetSize(PetscDraw draw, PetscReal width) { PetscFunctionBegin; PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1); PetscCheck(width >= 0.0 && width <= 1.0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Bad size %g, should be between 0 and 1", (double)width); PetscTryTypeMethod(draw, pointsetsize, width); PetscFunctionReturn(PETSC_SUCCESS); }