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1 | -- Created on: 1997-01-21 |
2 | -- Created by: Prestataire Christiane ARMAND |
3 | -- Copyright (c) 1997-1999 Matra Datavision |
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4 | -- Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | -- |
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6 | -- This file is part of Open CASCADE Technology software library. |
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7 | -- |
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8 | -- This library is free software; you can redistribute it and/or modify it under |
9 | -- the terms of the GNU Lesser General Public License version 2.1 as published |
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10 | -- by the Free Software Foundation, with special exception defined in the file |
11 | -- OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | -- distribution for complete text of the license and disclaimer of any warranty. |
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13 | -- |
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14 | -- Alternatively, this file may be used under the terms of Open CASCADE |
15 | -- commercial license or contractual agreement. |
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16 | |
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17 | class Line from AIS inherits InteractiveObject from AIS |
18 | |
19 | ---Purpose: Constructs line datums to be used in construction of |
20 | -- composite shapes. |
21 | |
22 | uses |
23 | Line from Geom, |
24 | Point from Geom, |
25 | Presentation from Prs3d, |
26 | PresentationManager3d from PrsMgr, |
27 | NameOfColor from Quantity, |
28 | Color from Quantity, |
29 | Selection from SelectMgr, |
30 | Projector from Prs3d, |
31 | Transformation from Geom, |
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32 | Line from AIS, |
33 | KindOfInteractive from AIS |
34 | |
35 | is |
36 | Create(aLine : Line from Geom) |
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37 | returns Line from AIS; |
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38 | ---Purpose: Initializes the line aLine. |
39 | |
40 | Create(aStartPoint : Point from Geom; |
41 | aEndPoint : Point from Geom) |
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42 | returns Line from AIS; |
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43 | ---Purpose: Initializes a starting point aStartPoint |
44 | -- and a finishing point aEndPoint for the line. |
45 | |
46 | Compute(me : mutable; |
47 | aPresentationManager: PresentationManager3d from PrsMgr; |
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48 | aPresentation : Presentation from Prs3d; |
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49 | aMode : Integer from Standard = 0) |
50 | is redefined static private; |
51 | |
52 | Compute(me:mutable; |
53 | aProjector: Projector from Prs3d; |
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54 | aPresentation: Presentation from Prs3d) |
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55 | is redefined static private; |
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56 | |
57 | Compute(me : mutable; |
58 | aProjector : Projector from Prs3d; |
59 | aTrsf : Transformation from Geom; |
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60 | aPresentation : Presentation from Prs3d) |
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61 | is redefined; |
62 | ---Purpose: computes the presentation according to a point of view |
63 | -- given by <aProjector>. |
64 | -- To be Used when the associated degenerated Presentations |
65 | -- have been transformed by <aTrsf> which is not a Pure |
66 | -- Translation. The HLR Prs can't be deducted automatically |
67 | -- WARNING :<aTrsf> must be applied |
68 | -- to the object to display before computation !!! |
69 | |
70 | -- Methods from SelectableObject |
71 | |
72 | ComputeSelection(me : mutable; |
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73 | aSelection : Selection from SelectMgr; |
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74 | aMode : Integer from Standard)is private; |
75 | |
76 | |
77 | -- Methods from InteractiveObject |
78 | |
79 | Signature(me) returns Integer from Standard is redefined; |
80 | ---Purpose: Returns the signature 5. |
81 | ---C++: inline |
82 | |
83 | Type(me) returns KindOfInteractive from AIS is redefined; |
84 | ---Purpose: Returns the type Datum. |
85 | ---C++: inline |
86 | |
87 | Line(me) returns any Line from Geom; |
88 | ---C++: inline |
89 | ---C++: return const & |
90 | ---Purpose: Constructs an infinite line. |
91 | |
92 | Points(me;PStart,PEnd: out Point from Geom); |
93 | ---Purpose: Returns the starting point PStart and the end point |
94 | -- PEnd of the line set by SetPoints. |
95 | ---C++: inline |
96 | |
97 | SetLine(me:mutable;L : Line from Geom); |
98 | ---C++: inline |
99 | ---Purpose: instantiates an infinite line. |
100 | |
101 | SetPoints(me:mutable;P1,P2:Point from Geom); |
102 | --- Purpose: |
103 | -- Sets the starting point P1 and ending point P2 of the |
104 | -- infinite line to create a finite line segment. |
105 | ---C++: inline |
106 | |
107 | SetColor(me :mutable; aColor : NameOfColor from Quantity) |
108 | is redefined static; |
109 | ---Purpose: Provides a new color setting aColor for the line in the |
110 | -- drawing tool, or "Drawer". |
111 | SetColor(me :mutable; aColor : Color from Quantity) |
112 | is redefined static; |
113 | |
114 | SetWidth(me:mutable; aValue:Real from Standard) |
115 | is redefined static; |
116 | ---Purpose: Provides the new width setting aValue for the line in |
117 | -- the drawing tool, or "Drawer". |
118 | UnsetColor(me:mutable) |
119 | is redefined static; |
120 | ---Purpose: Removes the color setting and returns the original color. |
121 | UnsetWidth(me:mutable) |
122 | is redefined static; |
123 | ---Purpose: Removes the width setting and returns the original width. |
124 | |
125 | |
126 | ComputeInfiniteLine(me: mutable; |
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127 | aPresentation : Presentation from Prs3d) |
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128 | is private; |
129 | |
130 | ComputeSegmentLine(me: mutable; |
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131 | aPresentation : Presentation from Prs3d) |
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132 | is private; |
133 | |
134 | ComputeInfiniteLineSelection(me: mutable; |
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135 | aSelection : Selection from SelectMgr) |
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136 | is private; |
137 | |
138 | ComputeSegmentLineSelection(me: mutable; |
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139 | aSelection : Selection from SelectMgr) |
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140 | is private; |
141 | |
142 | fields |
143 | |
144 | |
145 | myComponent : Line from Geom; |
146 | myStartPoint : Point from Geom; |
147 | myEndPoint : Point from Geom; |
148 | myLineIsSegment : Boolean from Standard; |
149 | |
150 | end Line; |