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1 | // File: OpenGl_View_1.cxx |
2 | // Created: 20 September 2011 | |
3 | // Author: Sergey ZERCHANINOV | |
4 | // Copyright: OPEN CASCADE 2011 | |
5 | ||
5f8b738e | 6 | #include <OpenGl_GlCore11.hxx> |
7 | ||
2166f0fa SK |
8 | #include <OpenGl_View.hxx> |
9 | ||
10 | #include <Visual3d_Layer.hxx> | |
11 | ||
2166f0fa | 12 | #include <OpenGl_tgl_funcs.hxx> |
2166f0fa SK |
13 | #include <OpenGl_PrinterContext.hxx> |
14 | #include <OpenGl_Workspace.hxx> | |
15 | ||
5f8b738e | 16 | #include <GL/glu.h> // gluProject(), gluUnProject() |
17 | ||
2166f0fa SK |
18 | /*----------------------------------------------------------------------*/ |
19 | ||
20 | //TelProjectionRaster in OpenGl_telem_util.cxx | |
21 | Standard_Boolean OpenGl_View::ProjectObjectToRaster (const Standard_Integer w, const Standard_Integer h, | |
22 | const Standard_ShortReal x, const Standard_ShortReal y, const Standard_ShortReal z, | |
23 | Standard_ShortReal &xr, Standard_ShortReal &yr) | |
24 | { | |
25 | int i, j, k; | |
26 | ||
27 | GLdouble modelMatrix[16]; | |
28 | for (k = 0, i = 0; i < 4; i++) | |
29 | for (j = 0; j < 4; j++, k++) | |
30 | modelMatrix[k] = ( GLdouble )myOrientationMatrix[i][j]; | |
31 | ||
32 | GLdouble projMatrix[16]; | |
33 | for (k = 0, i = 0; i < 4; i++) | |
34 | for (j = 0; j < 4; j++, k++) | |
35 | projMatrix[k] = ( GLdouble )myMappingMatrix[i][j]; | |
36 | ||
37 | GLint viewport[4]; | |
38 | viewport[0] = 0; | |
39 | viewport[1] = 0; | |
40 | viewport[2] = w; | |
41 | viewport[3] = h; | |
42 | ||
43 | /* | |
44 | * glGetIntegerv (GL_VIEWPORT, viewport); | |
45 | * glGetDoublev (GL_MODELVIEW_MATRIX, modelMatrix); | |
46 | * glGetDoublev (GL_PROJECTION_MATRIX, projMatrix); | |
47 | */ | |
48 | ||
49 | GLdouble winx, winy, winz; | |
50 | if (gluProject (( GLdouble )x, ( GLdouble )y, ( GLdouble )z, modelMatrix, projMatrix, viewport, &winx, &winy, &winz)) | |
51 | { | |
52 | xr = ( Standard_ShortReal )winx; | |
53 | yr = ( Standard_ShortReal )winy; | |
54 | return Standard_True; | |
55 | } | |
56 | ||
57 | xr = 0.F; | |
58 | yr = 0.F; | |
59 | return Standard_False; | |
60 | } | |
61 | ||
62 | /*----------------------------------------------------------------------*/ | |
63 | //TelUnProjectionRaster | |
64 | Standard_Boolean OpenGl_View::ProjectRasterToObject (const Standard_Integer w, const Standard_Integer h, | |
65 | const Standard_Integer xr, const Standard_Integer yr, | |
66 | Standard_ShortReal &x, Standard_ShortReal &y, Standard_ShortReal &z) | |
67 | { | |
68 | int i, j, k; | |
69 | ||
70 | GLdouble modelMatrix[16]; | |
71 | for (k = 0, i = 0; i < 4; i++) | |
72 | for (j = 0; j < 4; j++, k++) | |
73 | modelMatrix[k] = ( GLdouble )myOrientationMatrix[i][j]; | |
74 | ||
75 | GLdouble projMatrix[16]; | |
76 | for (k = 0, i = 0; i < 4; i++) | |
77 | for (j = 0; j < 4; j++, k++) | |
78 | projMatrix[k] = ( GLdouble )myMappingMatrix[i][j]; | |
79 | ||
80 | GLint viewport[4]; | |
81 | viewport[0] = 0; | |
82 | viewport[1] = 0; | |
83 | viewport[2] = w; | |
84 | viewport[3] = h; | |
85 | ||
86 | /* | |
87 | * glGetIntegerv (GL_VIEWPORT, viewport); | |
88 | * glGetDoublev (GL_MODELVIEW_MATRIX, modelMatrix); | |
89 | * glGetDoublev (GL_PROJECTION_MATRIX, projMatrix); | |
90 | */ | |
91 | ||
92 | GLdouble objx, objy, objz; | |
93 | if (gluUnProject (( GLdouble )xr, ( GLdouble )yr, 0.0, modelMatrix, projMatrix, viewport, &objx, &objy, &objz)) | |
94 | { | |
95 | x = ( Standard_ShortReal )objx; | |
96 | y = ( Standard_ShortReal )objy; | |
97 | z = ( Standard_ShortReal )objz; | |
98 | return Standard_True; | |
99 | } | |
100 | ||
101 | x = 0.F; | |
102 | y = 0.F; | |
103 | z = 0.F; | |
104 | return Standard_False; | |
105 | } | |
106 | ||
107 | /*----------------------------------------------------------------------*/ | |
108 | //TelUnProjectionRasterWithRay | |
109 | Standard_Boolean OpenGl_View::ProjectRasterToObjectWithRay (const Standard_Integer w, const Standard_Integer h, | |
110 | const Standard_Integer xr, const Standard_Integer yr, | |
111 | Standard_ShortReal &x, Standard_ShortReal &y, Standard_ShortReal &z, | |
112 | Standard_ShortReal &dx, Standard_ShortReal &dy, Standard_ShortReal &dz) | |
113 | { | |
114 | int i, j, k; | |
115 | ||
116 | GLdouble modelMatrix[16]; | |
117 | for (k = 0, i = 0; i < 4; i++) | |
118 | for (j = 0; j < 4; j++, k++) | |
119 | modelMatrix[k] = ( GLdouble )myOrientationMatrix[i][j]; | |
120 | ||
121 | GLdouble projMatrix[16]; | |
122 | for (k = 0, i = 0; i < 4; i++) | |
123 | for (j = 0; j < 4; j++, k++) | |
124 | projMatrix[k] = ( GLdouble )myMappingMatrix[i][j]; | |
125 | ||
126 | GLint viewport[4]; | |
127 | viewport[0] = 0; | |
128 | viewport[1] = 0; | |
129 | viewport[2] = w; | |
130 | viewport[3] = h; | |
131 | ||
132 | /* | |
133 | * glGetIntegerv (GL_VIEWPORT, viewport); | |
134 | * glGetDoublev (GL_MODELVIEW_MATRIX, modelMatrix); | |
135 | * glGetDoublev (GL_PROJECTION_MATRIX, projMatrix); | |
136 | */ | |
137 | ||
138 | const GLdouble winx = ( GLdouble )xr; | |
139 | const GLdouble winy = ( GLdouble )yr; | |
140 | ||
141 | GLdouble objx, objy, objz; | |
142 | if (gluUnProject (winx, winy, 0.0, modelMatrix, projMatrix, viewport, &objx, &objy, &objz)) | |
143 | { | |
144 | GLdouble objx1, objy1, objz1; | |
145 | if (gluUnProject (winx, winy, -10.0, modelMatrix, projMatrix, viewport, &objx1, &objy1, &objz1)) | |
146 | { | |
147 | x = ( Standard_ShortReal )objx; | |
148 | y = ( Standard_ShortReal )objy; | |
149 | z = ( Standard_ShortReal )objz; | |
150 | dx = ( Standard_ShortReal )(objx-objx1); | |
151 | dy = ( Standard_ShortReal )(objy-objy1); | |
152 | dz = ( Standard_ShortReal )(objz-objz1); | |
153 | return Standard_True; | |
154 | } | |
155 | } | |
156 | ||
157 | x = 0.F; | |
158 | y = 0.F; | |
159 | z = 0.F; | |
160 | dx = 0.F; | |
161 | dy = 0.F; | |
162 | dz = 0.F; | |
163 | return Standard_False; | |
164 | } | |
165 | ||
166 | /*----------------------------------------------------------------------*/ | |
167 | ||
168 | //call_togl_inquiremat | |
169 | void OpenGl_View::GetMatrices (TColStd_Array2OfReal& theMatOrient, | |
170 | TColStd_Array2OfReal& theMatMapping, | |
171 | const Standard_Boolean theIsCustom) const | |
172 | { | |
173 | int i, j; | |
174 | if (theIsCustom) | |
175 | { | |
176 | // OCC18942: Trying to return the current matrices instead of calculating them anew. | |
177 | // This in particular allows using application-defined matrices. | |
178 | for (i = 0; i < 4; ++i) | |
179 | { | |
180 | for (j = 0; j < 4; ++j) | |
181 | { | |
182 | theMatOrient (i, j) = myOrientationMatrix[j][i]; | |
183 | theMatMapping (i, j) = myMappingMatrix[j][i]; | |
184 | } | |
185 | } | |
186 | return; | |
187 | } | |
188 | ||
189 | int anErr = 0; | |
190 | Tmatrix3 aMatOri; | |
191 | Tmatrix3 aMatMapping; | |
192 | ||
193 | view_map3 aViewMap; | |
194 | memcpy (&aViewMap.win, &myExtra.map.window, sizeof(Tlimit)); | |
195 | memcpy (&aViewMap.proj_vp, &myExtra.map.viewport, sizeof(Tlimit3)); | |
196 | switch (myExtra.map.proj) | |
197 | { | |
198 | default: | |
199 | case TelParallel: aViewMap.proj_type = TYPE_PARAL; break; | |
200 | case TelPerspective: aViewMap.proj_type = TYPE_PERSPECT; break; | |
201 | } | |
202 | aViewMap.proj_ref_point.x = myExtra.map.prp[0]; | |
203 | aViewMap.proj_ref_point.y = myExtra.map.prp[1]; | |
204 | aViewMap.proj_ref_point.z = myExtra.map.prp[2]; | |
205 | aViewMap.view_plane = myExtra.map.vpd; | |
206 | aViewMap.back_plane = myExtra.map.bpd; | |
207 | aViewMap.front_plane = myExtra.map.fpd; | |
208 | ||
209 | call_func_eval_ori_matrix3 ((const point3* )myExtra.vrp, | |
210 | (const vec3* )myExtra.vpn, | |
211 | (const vec3* )myExtra.vup, | |
212 | &anErr, aMatOri); | |
213 | if (anErr == 0) | |
214 | call_func_eval_map_matrix3 (&aViewMap, &anErr, aMatMapping); | |
215 | ||
216 | if (anErr == 0) | |
217 | { | |
218 | for (i = 0; i < 4; ++i) | |
219 | { | |
220 | for (j = 0; j < 4; ++j) | |
221 | { | |
222 | theMatOrient (i, j) = aMatOri[j][i]; | |
223 | theMatMapping (i, j) = aMatMapping[j][i]; | |
224 | } | |
225 | } | |
226 | return; | |
227 | } | |
228 | ||
229 | // return just identity matrices | |
230 | for (i = 0; i < 4; ++i) | |
231 | { | |
232 | for (j = 0; j < 4; ++j) | |
233 | { | |
234 | if (i == j) { | |
235 | theMatMapping (i, j) = 1.0; | |
236 | theMatOrient (i, j) = 1.0; | |
237 | } | |
238 | else { | |
239 | theMatMapping (i, j) = 0.0; | |
240 | theMatOrient (i, j) = 0.0; | |
241 | } | |
242 | } | |
243 | } | |
244 | } | |
245 | ||
246 | /*----------------------------------------------------------------------*/ |