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1 | // Created by: CKY / Contract Toubro-Larsen |
2 | // Copyright (c) 1993-1999 Matra Datavision |
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3 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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4 | // |
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5 | // This file is part of Open CASCADE Technology software library. |
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6 | // |
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7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
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12 | // |
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13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
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15 | |
16 | //-------------------------------------------------------------------- |
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17 | //-------------------------------------------------------------------- |
18 | |
19 | #include <IGESDraw_Drawing.ixx> |
20 | #include <IGESDraw_View.hxx> |
21 | #include <IGESDraw_PerspectiveView.hxx> |
22 | |
23 | #include <IGESGraph_DrawingUnits.hxx> |
24 | #include <IGESGraph_DrawingSize.hxx> |
25 | |
26 | #include <Interface_Macros.hxx> |
27 | |
28 | |
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29 | IGESDraw_Drawing::IGESDraw_Drawing () { } |
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30 | |
31 | |
32 | void IGESDraw_Drawing::Init |
33 | (const Handle(IGESDraw_HArray1OfViewKindEntity)& allViews, |
34 | const Handle(TColgp_HArray1OfXY)& allViewOrigins, |
35 | const Handle(IGESData_HArray1OfIGESEntity)& allAnnotations) |
36 | { |
37 | if (!allViews.IsNull()) { |
38 | Standard_Integer Len = allViews->Length(); |
39 | Standard_Boolean Flag = ( allViewOrigins->Length() == Len ); |
40 | if (!Flag || allViews->Lower() != 1 || allViewOrigins->Lower() != 1) |
41 | Standard_DimensionMismatch::Raise("IGESDraw_Drawing : Init"); |
42 | } |
43 | if (!allAnnotations.IsNull()) |
44 | if (allAnnotations->Lower() != 1) Standard_DimensionMismatch::Raise |
45 | ("IGESDraw_Drawing : Init"); |
46 | |
47 | theViews = allViews; |
48 | theViewOrigins = allViewOrigins; |
49 | theAnnotations = allAnnotations; |
50 | InitTypeAndForm(404,0); |
51 | } |
52 | |
53 | Standard_Integer IGESDraw_Drawing::NbViews () const |
54 | { |
55 | return (theViews.IsNull() ? 0 : theViews->Length()); |
56 | } |
57 | |
58 | Handle(IGESData_ViewKindEntity) IGESDraw_Drawing::ViewItem |
59 | (const Standard_Integer ViewIndex) const |
60 | { |
61 | return theViews->Value(ViewIndex); |
62 | } |
63 | |
64 | gp_Pnt2d IGESDraw_Drawing::ViewOrigin |
65 | (const Standard_Integer TViewIndex) const |
66 | { |
67 | return (gp_Pnt2d (theViewOrigins->Value(TViewIndex)) ); |
68 | } |
69 | |
70 | Standard_Integer IGESDraw_Drawing::NbAnnotations () const |
71 | { |
72 | return (theAnnotations.IsNull() ? 0 : theAnnotations->Length() ); |
73 | } |
74 | |
75 | Handle(IGESData_IGESEntity) IGESDraw_Drawing::Annotation |
76 | (const Standard_Integer AnnotationIndex) const |
77 | { |
78 | return ( theAnnotations->Value(AnnotationIndex) ); |
79 | } |
80 | |
81 | gp_XY IGESDraw_Drawing::ViewToDrawing |
82 | (const Standard_Integer NumView, const gp_XYZ& ViewCoords) const |
83 | { |
84 | gp_XY thisOrigin = theViewOrigins->Value(NumView); |
85 | Standard_Real XOrigin = thisOrigin.X(); |
86 | Standard_Real YOrigin = thisOrigin.Y(); |
87 | Standard_Real theScaleFactor=0.; |
88 | |
89 | Handle(IGESData_ViewKindEntity) tempView = theViews->Value(NumView); |
90 | if (tempView->IsKind(STANDARD_TYPE(IGESDraw_View))) |
91 | { |
92 | DeclareAndCast(IGESDraw_View, thisView, tempView); |
93 | theScaleFactor = thisView->ScaleFactor(); |
94 | } |
95 | else if (tempView->IsKind(STANDARD_TYPE(IGESDraw_PerspectiveView))) |
96 | { |
97 | DeclareAndCast(IGESDraw_PerspectiveView, thisView, tempView); |
98 | theScaleFactor = thisView->ScaleFactor(); |
99 | } |
100 | |
101 | Standard_Real XV = ViewCoords.X(); |
102 | Standard_Real YV = ViewCoords.Y(); |
103 | |
104 | Standard_Real XD = XOrigin + (theScaleFactor * XV); |
105 | Standard_Real YD = YOrigin + (theScaleFactor * YV); |
106 | |
107 | return ( gp_XY(XD, YD) ); |
108 | } |
109 | |
110 | |
111 | Standard_Boolean IGESDraw_Drawing::DrawingUnit (Standard_Real& val) const |
112 | { |
113 | val = 0.; |
114 | Handle(Standard_Type) typunit = STANDARD_TYPE(IGESGraph_DrawingUnits); |
115 | if (NbTypedProperties(typunit) != 1) return Standard_False; |
116 | DeclareAndCast(IGESGraph_DrawingUnits,units,TypedProperty(typunit)); |
117 | if (units.IsNull()) return Standard_False; |
118 | val = units->UnitValue(); |
119 | return Standard_True; |
120 | } |
121 | |
122 | Standard_Boolean IGESDraw_Drawing::DrawingSize |
123 | (Standard_Real& X, Standard_Real& Y) const |
124 | { |
125 | X = Y = 0.; |
126 | Handle(Standard_Type) typsize = STANDARD_TYPE(IGESGraph_DrawingSize); |
127 | if (NbTypedProperties(typsize) != 1) return Standard_False; |
128 | DeclareAndCast(IGESGraph_DrawingSize,size,TypedProperty(typsize)); |
129 | if (size.IsNull()) return Standard_False; |
130 | X = size->XSize(); Y = size->YSize(); |
131 | return Standard_True; |
132 | } |