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1 | // Copyright (c) 2019 OPEN CASCADE SAS |
2 | // |
3 | // This file is part of Open CASCADE Technology software library. |
4 | // |
5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
10 | // |
11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
13 | |
14 | #ifndef _Graphic3d_Text_HeaderFile |
15 | #define _Graphic3d_Text_HeaderFile |
16 | |
17 | #include <gp_Ax2.hxx> |
18 | |
19 | #include <Graphic3d_Vertex.hxx> |
20 | #include <Graphic3d_HorizontalTextAlignment.hxx> |
21 | #include <Graphic3d_VerticalTextAlignment.hxx> |
22 | #include <NCollection_String.hxx> |
23 | #include <Standard_Type.hxx> |
24 | #include <Standard_Transient.hxx> |
25 | #include <TCollection_AsciiString.hxx> |
26 | |
27 | //! This class allows the definition of a text object for display. |
28 | //! The text might be defined in one of ways, using: |
29 | //! - text value and position, |
30 | //! - text value, orientation and the state whether the text uses position as point of attach. |
31 | //! - text formatter. Formatter contains text, height and alignment parameter. |
32 | //! |
33 | //! This class also has parameters of the text height and H/V alignments. |
34 | class Graphic3d_Text : public Standard_Transient |
35 | { |
36 | DEFINE_STANDARD_RTTIEXT(Graphic3d_Text, Standard_Transient) |
37 | |
38 | public: |
39 | |
40 | //! Creates default text parameters. |
41 | Standard_EXPORT Graphic3d_Text (const Standard_ShortReal theHeight); |
42 | |
43 | //! Destructor. |
44 | virtual ~Graphic3d_Text() {} |
45 | |
46 | //! Returns text value. |
47 | const NCollection_String& Text() const { return myText; } |
48 | |
49 | //! Sets text value. |
50 | void SetText (const NCollection_String& theText) { myText = theText; } |
51 | |
52 | //! Sets text value. |
53 | void SetText (const TCollection_AsciiString& theText) { myText = theText.ToCString(); } |
54 | |
55 | //! Sets text value. |
56 | void SetText (Standard_CString theText) { myText = theText; } |
57 | |
58 | //! The 3D point of attachment is projected. |
59 | //! If the orientation is defined, the text is written in the plane of projection. |
60 | const gp_Pnt& Position() const { return myOrientation.Location(); } |
61 | |
62 | //! Sets text point. |
63 | void SetPosition (const gp_Pnt& thePoint) { myOrientation.SetLocation (thePoint); } |
64 | |
65 | //! Returns text orientation in 3D space. |
66 | const gp_Ax2& Orientation() const { return myOrientation; } |
67 | |
68 | //! Returns true if the text is filled by a point |
69 | Standard_Boolean HasPlane() const { return myHasPlane; } |
70 | |
71 | //! Sets text orientation in 3D space. |
72 | Standard_EXPORT void SetOrientation (const gp_Ax2& theOrientation); |
73 | |
74 | //! Reset text orientation in 3D space. |
75 | Standard_EXPORT void ResetOrientation(); |
76 | |
77 | //! Returns true if the text has an anchor point |
78 | Standard_Boolean HasOwnAnchorPoint() const { return myHasOwnAnchor; } |
79 | |
80 | //! Returns true if the text has an anchor point |
81 | void SetOwnAnchorPoint (const Standard_Boolean theHasOwnAnchor) { myHasOwnAnchor = theHasOwnAnchor; } |
82 | |
83 | //! Sets height of text. (Relative to the Normalized Projection Coordinates (NPC) Space). |
84 | Standard_ShortReal Height() const { return myHeight; } |
85 | |
86 | //! Returns height of text |
87 | void SetHeight (const Standard_ShortReal theHeight) { myHeight = theHeight; } |
88 | |
89 | //! Returns horizontal alignment of text. |
90 | Graphic3d_HorizontalTextAlignment HorizontalAlignment() const { return myHAlign; } |
91 | |
92 | //! Sets horizontal alignment of text. |
93 | void SetHorizontalAlignment (const Graphic3d_HorizontalTextAlignment theJustification) { myHAlign = theJustification; } |
94 | |
95 | //! Returns vertical alignment of text. |
96 | Graphic3d_VerticalTextAlignment VerticalAlignment() const { return myVAlign; } |
97 | |
98 | //! Sets vertical alignment of text. |
99 | void SetVerticalAlignment (const Graphic3d_VerticalTextAlignment theJustification) { myVAlign = theJustification; } |
100 | |
101 | protected: |
102 | NCollection_String myText; //!< text value |
103 | gp_Ax2 myOrientation; //!< Text orientation in 3D space. |
104 | |
105 | Standard_ShortReal myHeight; //!< height of text |
106 | Graphic3d_HorizontalTextAlignment myHAlign; //!< horizontal alignment |
107 | Graphic3d_VerticalTextAlignment myVAlign; //!< vertical alignment |
108 | |
109 | Standard_Boolean myHasPlane; //!< Check if text have orientation in 3D space. |
110 | Standard_Boolean myHasOwnAnchor; //!< flag if text uses position as point of attach |
111 | }; |
112 | |
113 | DEFINE_STANDARD_HANDLE(Graphic3d_Text, Standard_Transient) |
114 | |
115 | #endif // _Graphic3d_Text_HeaderFile |