1 #include <petsc/private/drawimpl.h> /*I "petscdraw.h" I*/
2
3 /*@
4 PetscDrawPoint - draws a point onto a drawable.
5
6 Not Collective
7
8 Input Parameters:
9 + draw - the drawing context
10 . xl - horizatonal coordinate of the point
11 . yl - vertical coordinate of the point
12 - cl - the color of the point
13
14 Level: beginner
15
16 .seealso: `PetscDraw`, `PetscDrawPointPixel()`, `PetscDrawPointSetSize()`, `PetscDrawLine()`, `PetscDrawRectangle()`, `PetscDrawTriangle()`, `PetscDrawEllipse()`,
17 `PetscDrawMarker()`, `PetscDrawString()`, `PetscDrawArrow()`
18 @*/
PetscDrawPoint(PetscDraw draw,PetscReal xl,PetscReal yl,int cl)19 PetscErrorCode PetscDrawPoint(PetscDraw draw, PetscReal xl, PetscReal yl, int cl)
20 {
21 PetscFunctionBegin;
22 PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1);
23 PetscUseTypeMethod(draw, point, xl, yl, cl);
24 PetscFunctionReturn(PETSC_SUCCESS);
25 }
26
27 /*@
28 PetscDrawPointPixel - draws a point onto a drawable, in pixel coordinates
29
30 Not Collective
31
32 Input Parameters:
33 + draw - the drawing context
34 . x - horizontal pixel coordinates of the point
35 . y - vertical pixel coordinates of the point
36 - c - the color of the point
37
38 Level: beginner
39
40 .seealso: `PetscDraw`, `PetscDrawPoint()`, `PetscDrawPointSetSize()`
41 @*/
PetscDrawPointPixel(PetscDraw draw,int x,int y,int c)42 PetscErrorCode PetscDrawPointPixel(PetscDraw draw, int x, int y, int c)
43 {
44 PetscFunctionBegin;
45 PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1);
46 PetscUseTypeMethod(draw, pointpixel, x, y, c);
47 PetscFunctionReturn(PETSC_SUCCESS);
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 @*/
PetscDrawPointSetSize(PetscDraw draw,PetscReal width)68 PetscErrorCode PetscDrawPointSetSize(PetscDraw draw, PetscReal width)
69 {
70 PetscFunctionBegin;
71 PetscValidHeaderSpecific(draw, PETSC_DRAW_CLASSID, 1);
72 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);
73 PetscTryTypeMethod(draw, pointsetsize, width);
74 PetscFunctionReturn(PETSC_SUCCESS);
75 }
76