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1 | -- Created on: 1993-06-22 |
2 | -- Created by: Jean Louis FRENKEL, Gerard GRAS |
3 | -- Copyright (c) 1993-1999 Matra Datavision |
4 | -- Copyright (c) 1999-2012 OPEN CASCADE SAS |
5 | -- |
6 | -- The content of this file is subject to the Open CASCADE Technology Public |
7 | -- License Version 6.5 (the "License"). You may not use the content of this file |
8 | -- except in compliance with the License. Please obtain a copy of the License |
9 | -- at http://www.opencascade.org and read it completely before using this file. |
10 | -- |
11 | -- The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
12 | -- main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
13 | -- |
14 | -- The Original Code and all software distributed under the License is |
15 | -- distributed on an "AS IS" basis, without warranty of any kind, and the |
16 | -- Initial Developer hereby disclaims all such warranties, including without |
17 | -- limitation, any warranties of merchantability, fitness for a particular |
18 | -- purpose or non-infringement. Please see the License for the specific terms |
19 | -- and conditions governing the rights and limitations under the License. |
20 | |
7fd59977 |
21 | |
7fd59977 |
22 | -- Modified: TCL G002A, 28-11-00, new section "inquire methods" |
23 | |
7fd59977 |
24 | |
25 | class Ellips from Graphic2d inherits Line from Graphic2d |
26 | |
27 | ---Version: |
28 | |
29 | ---Purpose: The primitive Ellips |
30 | |
31 | ---Keywords: Primitive, Ellips |
32 | ---Warning: |
33 | ---References: |
34 | |
35 | uses |
36 | |
37 | Drawer from Graphic2d, |
38 | GraphicObject from Graphic2d, |
39 | PlaneAngle from Quantity, |
40 | Length from Quantity, |
41 | FStream from Aspect, |
42 | IFStream from Aspect |
43 | |
44 | |
45 | raises |
46 | |
47 | EllipsDefinitionError from Graphic2d |
48 | |
49 | is |
50 | ------------------------- |
51 | -- Category: Constructors |
52 | ------------------------- |
53 | |
54 | Create (aGraphicObject: GraphicObject from Graphic2d; |
55 | X, Y: Length from Quantity; |
56 | MajorRadius, MinorRadius: Length from Quantity; |
57 | anAngle: PlaneAngle from Quantity) |
58 | returns mutable Ellips from Graphic2d |
59 | ---Level: Public |
60 | ---Purpose: Creates an ellipse. |
61 | -- The center is <X>, <Y>. |
62 | -- Angles are measured counterclockwise with 0 radian |
63 | -- at 3 o'clock. |
64 | ---Category: Constructors |
65 | ---Warning: Raises EllipsDefinitionError if the |
66 | -- major radius or the minor radius is null. |
67 | raises EllipsDefinitionError from Graphic2d; |
68 | |
69 | -------------------------- |
70 | -- Category: Draw and Pick |
71 | -------------------------- |
72 | |
73 | Draw (me : mutable; aDrawer: Drawer from Graphic2d) |
74 | is static protected; |
75 | ---Level: Internal |
76 | ---Purpose: Draws the ellipse <me>. |
77 | |
78 | DrawElement( me : mutable; aDrawer: Drawer from Graphic2d; |
79 | anIndex: Integer from Standard) |
80 | is redefined protected; |
81 | ---Level: Internal |
82 | ---Purpose: Draws element <anIndex> of the circle <me>. |
83 | |
84 | DrawVertex( me : mutable; aDrawer: Drawer from Graphic2d; |
85 | anIndex: Integer from Standard) |
86 | is redefined protected; |
87 | ---Level: Internal |
88 | ---Purpose: Draws vertex <anIndex> of the circle <me>. |
89 | |
90 | Pick (me : mutable; X, Y: ShortReal from Standard; |
91 | aPrecision: ShortReal from Standard; |
92 | aDrawer: Drawer from Graphic2d) |
93 | returns Boolean from Standard |
94 | is static protected; |
95 | ---Level: Internal |
96 | ---Purpose: Returns Standard_True if the ellipse <me> is picked, |
97 | -- Standard_False if not. |
98 | |
99 | -------------------------------------- |
100 | -- Category: Inquire methods |
101 | -------------------------------------- |
102 | |
103 | Center( me; X, Y: out Length from Quantity ); |
104 | ---Level: Public |
105 | ---Purpose: returns the coordinates of center of the ellipse |
106 | |
107 | MajorRadius( me ) returns Length from Quantity; |
108 | ---Level: Public |
109 | ---Purpose: returns the radius of the ellipse |
110 | |
111 | MinorRadius( me ) returns Length from Quantity; |
112 | ---Level: Public |
113 | ---Purpose: returns the radius of the ellipse |
114 | |
115 | Angle( me ) returns PlaneAngle from Quantity; |
116 | ---Level: Public |
117 | ---Purpose: returns the angle of the ellipse |
118 | |
119 | ---------------------------------------------------------------------- |
120 | |
121 | Save( me; aFStream: in out FStream from Aspect ) is virtual; |
122 | Retrieve(myclass; anIFStream: in out IFStream from Aspect; |
123 | aGraphicObject: GraphicObject from Graphic2d); |
124 | |
125 | fields |
126 | |
127 | myX: ShortReal from Standard; |
128 | myY: ShortReal from Standard; |
129 | myMajorRadius: ShortReal from Standard; |
130 | myMinorRadius: ShortReal from Standard; |
131 | myAngle: ShortReal from Standard; |
132 | |
133 | end Ellips from Graphic2d; |