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b311480e | 1 | // Created on: 2011-05-20 |
2 | // Created by: Anton POLETAEV | |
3 | // Copyright (c) 2011-2012 OPEN CASCADE SAS | |
4 | // | |
5 | // The content of this file is subject to the Open CASCADE Technology Public | |
6 | // License Version 6.5 (the "License"). You may not use the content of this file | |
7 | // except in compliance with the License. Please obtain a copy of the License | |
8 | // at http://www.opencascade.org and read it completely before using this file. | |
9 | // | |
10 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its | |
11 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. | |
12 | // | |
13 | // The Original Code and all software distributed under the License is | |
14 | // distributed on an "AS IS" basis, without warranty of any kind, and the | |
15 | // Initial Developer hereby disclaims all such warranties, including without | |
16 | // limitation, any warranties of merchantability, fitness for a particular | |
17 | // purpose or non-infringement. Please see the License for the specific terms | |
18 | // and conditions governing the rights and limitations under the License. | |
19 | ||
7edf74fd A |
20 | |
21 | #ifndef _OPENGL_PRINTERCONTEXT_H | |
22 | #define _OPENGL_PRINTERCONTEXT_H | |
23 | ||
5f8b738e | 24 | #include <OpenGl_GlCore11.hxx> |
25 | ||
7edf74fd A |
26 | #include <MMgt_TShared.hxx> |
27 | #include <Standard.hxx> | |
28 | #include <Standard_DefineHandle.hxx> | |
29 | #include <Handle_MMgt_TShared.hxx> | |
7edf74fd A |
30 | #include <NCollection_DataMap.hxx> |
31 | #include <InterfaceGraphic_Graphic3d.hxx> | |
32 | #include <InterfaceGraphic_Visual3d.hxx> | |
33 | #include <TColStd_Array2OfReal.hxx> | |
34 | ||
2166f0fa SK |
35 | #include <OpenGl_Workspace.hxx> |
36 | ||
7edf74fd A |
37 | class Standard_Transient; |
38 | class Handle(Standard_Type); | |
39 | class Handle(MMgt_TShared); | |
40 | class OpenGl_PrinterContext; | |
41 | ||
42 | DEFINE_STANDARD_HANDLE(OpenGl_PrinterContext,MMgt_TShared) | |
43 | ||
44 | //! Class provides specific information for redrawing view to offscreen buffer | |
45 | //! on printing. The information is: projection matrixes for tiling, | |
46 | //! scaling factors for text/markers and layer viewport dimensions. | |
47 | //! The OpenGl_PrinterContext class allows to have only one global instance | |
48 | //! that can be accessed by GetPrinterContext() during printing operation. | |
49 | //! The class instance can be created only by call_togl_print(). | |
50 | class OpenGl_PrinterContext : public MMgt_TShared | |
51 | { | |
52 | ||
53 | public: | |
54 | ||
55 | //! Get the PrinterContext instance assigned for OpenGl context. | |
56 | //! Return NULL, if there is no current printing operation and | |
57 | //! there is no assigned instance for "theCtx" OpenGl context. | |
58 | static OpenGl_PrinterContext* GetPrinterContext(GLCONTEXT theCtx); | |
59 | ||
60 | //! Get view projection transformation matrix. | |
61 | const TColStd_Array2OfReal& GetProjTransformation () | |
62 | { | |
63 | return myProjTransform; | |
64 | } | |
65 | ||
66 | //! Get view projection transformation matrix. | |
67 | void GetProjTransformation (GLfloat theMatrix[16]); | |
68 | ||
69 | //! Get text/markers scale factor | |
70 | void GetScale (GLfloat& theScaleX, GLfloat& theScaleY) | |
71 | { | |
72 | theScaleX = myScaleX; | |
73 | theScaleY = myScaleY; | |
74 | } | |
75 | ||
76 | //! Get layer viewport dimensions | |
77 | void GetLayerViewport (GLsizei& theViewportX, | |
78 | GLsizei& theViewportY) | |
79 | { | |
80 | theViewportX = myLayerViewportX; | |
81 | theViewportY = myLayerViewportY; | |
82 | } | |
83 | ||
84 | private: | |
85 | ||
86 | //! Constructor | |
87 | OpenGl_PrinterContext (GLCONTEXT theCtx); | |
88 | ||
89 | //! Destructor | |
90 | virtual ~OpenGl_PrinterContext (); | |
91 | ||
92 | //! Deactivate current printing context. | |
93 | //! Useful when you need to redraw in usual mode the same OpenGl context | |
94 | //! that you used for printing right after printing, before the | |
95 | //! OpenGl_PrinterContext instance destroyed. | |
96 | void Deactivate (); | |
97 | ||
98 | //! Set view projection transformation matrix for printing/tiling purposes | |
99 | //! theProjTransform parameter should be an 4x4 array. | |
100 | bool SetProjTransformation (TColStd_Array2OfReal& theProjTransform); | |
101 | ||
102 | //! Set text scale factor | |
103 | void SetScale (GLfloat theScaleX, GLfloat theScaleY) | |
104 | { | |
105 | myScaleX = theScaleX; | |
106 | myScaleY = theScaleY; | |
107 | } | |
108 | ||
109 | //! Set layer viewport dimensions | |
110 | void SetLayerViewport (GLsizei theViewportX, | |
111 | GLsizei theViewportY) | |
112 | { | |
113 | myLayerViewportX = theViewportX; | |
114 | myLayerViewportY = theViewportY; | |
115 | } | |
116 | ||
117 | private: | |
118 | ||
119 | static OpenGl_PrinterContext* g_PrinterContext; | |
120 | static GLCONTEXT g_ContextId; | |
121 | TColStd_Array2OfReal myProjTransform; | |
122 | GLfloat myScaleX; | |
123 | GLfloat myScaleY; | |
124 | GLsizei myLayerViewportX; | |
125 | GLsizei myLayerViewportY; | |
126 | GLCONTEXT myCtx; | |
127 | ||
128 | // the printer context could be created only in method call_togl_print | |
2166f0fa | 129 | /*friend Standard_Boolean call_togl_print (CALL_DEF_VIEW *, CALL_DEF_LAYER *, |
7edf74fd A |
130 | CALL_DEF_LAYER *, |
131 | const Aspect_Drawable, const int, | |
2166f0fa SK |
132 | const char*, const int, const float);*/ |
133 | friend Standard_Boolean OpenGl_Workspace::Print (const Graphic3d_CView& ACView, | |
134 | const Aspect_CLayer2d& ACUnderLayer, | |
135 | const Aspect_CLayer2d& ACOverLayer, | |
136 | const Aspect_Handle hPrintDC, | |
137 | const Standard_Boolean showBackground, | |
138 | const Standard_CString filename, | |
139 | const Aspect_PrintAlgo printAlgorithm, | |
140 | const Standard_Real theScaleFactor); | |
7edf74fd A |
141 | }; |
142 | ||
143 | #endif |