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 PetscDrawPoint - draws a point onto a drawable. 9 10 Not collective 11 12 Input Parameters: 13 + draw - the drawing context 14 . xl,yl - the coordinates of the point 15 - cl - the color of the point 16 17 Level: beginner 18 19 .seealso: `PetscDraw`, `PetscDrawPointPixel()`, `PetscDrawPointSetSize()`, `PetscDrawLine()`, `PetscDrawRectangle()`, `PetscDrawTriangle()`, `PetscDrawEllipse()`, 20 `PetscDrawMarker()`, `PetscDrawString()`, `PetscDrawArrow()` 21 @*/ 22 PetscErrorCode PetscDrawPoint(PetscDraw draw, PetscReal xl, PetscReal yl, int cl) { 23 PetscFunctionBegin; 24 PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1); 25 PetscUseTypeMethod(draw, point, xl, yl, cl); 26 PetscFunctionReturn(0); 27 } 28 29 /*@ 30 PetscDrawPointPixel - draws a point onto a drawable, in pixel coordinates 31 32 Not collective 33 34 Input Parameters: 35 + draw - the drawing context 36 . x,y - the pixel coordinates of the point 37 - c - the color of the point 38 39 Level: beginner 40 41 .seealso: `PetscDraw`, `PetscDrawPoint()`, `PetscDrawPointSetSize()` 42 @*/ 43 PetscErrorCode PetscDrawPointPixel(PetscDraw draw, int x, int y, int c) { 44 PetscFunctionBegin; 45 PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1); 46 PetscUseTypeMethod(draw, pointpixel, x, y, c); 47 PetscFunctionReturn(0); 48 } 49 50 /*@ 51 PetscDrawPointSetSize - Sets the point size for future draws. The size is 52 relative to the user coordinates of the window; 0.0 denotes the natural 53 width, 1.0 denotes the entire viewport. 54 55 Not collective 56 57 Input Parameters: 58 + draw - the drawing context 59 - width - the width in user coordinates 60 61 Level: advanced 62 63 Note: 64 Even a size of zero insures that a single pixel is colored. 65 66 .seealso: `PetscDraw`, `PetscDrawPoint()`, `PetscDrawMarker()` 67 @*/ 68 PetscErrorCode PetscDrawPointSetSize(PetscDraw draw, PetscReal width) { 69 PetscFunctionBegin; 70 PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1); 71 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); 72 PetscTryTypeMethod(draw, pointsetsize, width); 73 PetscFunctionReturn(0); 74 } 75