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b311480e | 1 | // Created on: 2011-07-13 |
2 | // Created by: Sergey ZERCHANINOV | |
a174a3c5 | 3 | // Copyright (c) 2011-2013 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 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 | |
973c2be1 | 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. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
b311480e | 15 | |
2166f0fa | 16 | #include <OpenGl_AspectText.hxx> |
30f0ad28 | 17 | #include <OpenGl_GlCore11.hxx> |
a174a3c5 | 18 | #include <OpenGl_GraphicDriver.hxx> |
30f0ad28 | 19 | #include <OpenGl_ShaderManager.hxx> |
20 | #include <OpenGl_ShaderProgram.hxx> | |
21 | #include <OpenGl_ShaderStates.hxx> | |
22 | #include <OpenGl_Text.hxx> | |
bf75be98 | 23 | #include <OpenGl_Workspace.hxx> |
ce01ec26 | 24 | #include <OpenGl_View.hxx> |
2166f0fa | 25 | |
a174a3c5 | 26 | #include <Font_FontMgr.hxx> |
d2eddacc | 27 | #include <Font_FTFont.hxx> |
825aa485 | 28 | #include <Graphic3d_TransformUtils.hxx> |
a174a3c5 | 29 | #include <TCollection_HAsciiString.hxx> |
30 | ||
a174a3c5 | 31 | #ifdef HAVE_GL2PS |
32 | #include <gl2ps.h> | |
33 | #endif | |
34 | ||
35 | namespace | |
2166f0fa | 36 | { |
c827ea3a | 37 | static const GLdouble THE_IDENTITY_MATRIX[16] = |
a174a3c5 | 38 | { |
c827ea3a | 39 | 1.0, 0.0, 0.0, 0.0, |
40 | 0.0, 1.0, 0.0, 0.0, | |
41 | 0.0, 0.0, 1.0, 0.0, | |
42 | 0.0, 0.0, 0.0, 1.0 | |
a174a3c5 | 43 | }; |
44 | ||
45 | #ifdef HAVE_GL2PS | |
46 | static char const* TheFamily[] = {"Helvetica", "Courier", "Times"}; | |
47 | static char const* TheItalic[] = {"Oblique", "Oblique", "Italic"}; | |
48 | static char const* TheBase[] = {"", "", "-Roman"}; | |
49 | ||
50 | //! Convert font name used for rendering to some "good" font names | |
51 | //! that produce good vector text. | |
52 | static void getGL2PSFontName (const char* theSrcFont, | |
53 | char* thePsFont) | |
54 | { | |
55 | if (strstr (theSrcFont, "Symbol")) | |
56 | { | |
57 | sprintf (thePsFont, "%s", "Symbol"); | |
58 | return; | |
59 | } | |
60 | else if (strstr (theSrcFont, "ZapfDingbats")) | |
61 | { | |
62 | sprintf (thePsFont, "%s", "WingDings"); | |
63 | return; | |
64 | } | |
2166f0fa | 65 | |
a174a3c5 | 66 | int aFontId = 0; |
67 | bool isBold = false; | |
68 | bool isItalic = false; | |
69 | if (strstr (theSrcFont, "Courier")) | |
70 | { | |
71 | aFontId = 1; | |
72 | } | |
73 | else if (strstr (theSrcFont, "Times")) | |
74 | { | |
75 | aFontId = 2; | |
76 | } | |
2166f0fa | 77 | |
a174a3c5 | 78 | if (strstr (theSrcFont, "Bold")) |
79 | { | |
80 | isBold = true; | |
81 | } | |
82 | if (strstr (theSrcFont, "Italic") | |
83 | || strstr (theSrcFont, "Oblique")) | |
84 | { | |
85 | isItalic = true; | |
86 | } | |
2166f0fa | 87 | |
a174a3c5 | 88 | if (isBold) |
89 | { | |
a174a3c5 | 90 | if (isItalic) |
91 | { | |
8b224a09 | 92 | sprintf (thePsFont, "%s-Bold%s", TheFamily[aFontId], TheItalic[aFontId]); |
93 | } | |
94 | else | |
95 | { | |
96 | sprintf (thePsFont, "%s-Bold", TheFamily[aFontId]); | |
a174a3c5 | 97 | } |
98 | } | |
99 | else if (isItalic) | |
100 | { | |
101 | sprintf (thePsFont, "%s-%s", TheFamily[aFontId], TheItalic[aFontId]); | |
102 | } | |
103 | else | |
104 | { | |
105 | sprintf (thePsFont, "%s%s", TheFamily[aFontId], TheBase[aFontId]); | |
106 | } | |
107 | } | |
2166f0fa | 108 | |
a174a3c5 | 109 | static void exportText (const NCollection_String& theText, |
110 | const Standard_Boolean theIs2d, | |
111 | const OpenGl_AspectText& theAspect, | |
112 | const Standard_Integer theHeight) | |
113 | { | |
2166f0fa | 114 | |
a174a3c5 | 115 | char aPsFont[64]; |
b6472664 | 116 | getGL2PSFontName (theAspect.Aspect()->Font().ToCString(), aPsFont); |
2166f0fa | 117 | |
ca3c13d1 | 118 | #if !defined(GL_ES_VERSION_2_0) |
a174a3c5 | 119 | if (theIs2d) |
120 | { | |
121 | glRasterPos2f (0.0f, 0.0f); | |
122 | } | |
123 | else | |
124 | { | |
125 | glRasterPos3f (0.0f, 0.0f, 0.0f); | |
126 | } | |
127 | ||
128 | GLubyte aZero = 0; | |
129 | glBitmap (1, 1, 0, 0, 0, 0, &aZero); | |
ca3c13d1 | 130 | #endif |
a174a3c5 | 131 | |
132 | // Standard GL2PS's alignment isn't used, because it doesn't work correctly | |
133 | // for all formats, therefore alignment is calculated manually relative | |
134 | // to the bottom-left corner, which corresponds to the GL2PS_TEXT_BL value | |
b6472664 | 135 | gl2psTextOpt (theText.ToCString(), aPsFont, (GLshort)theHeight, GL2PS_TEXT_BL, (float )theAspect.Aspect()->GetTextAngle()); |
a174a3c5 | 136 | } |
137 | #endif | |
138 | ||
68858c7d | 139 | } // anonymous namespace |
a174a3c5 | 140 | |
141 | // ======================================================================= | |
142 | // function : OpenGl_Text | |
143 | // purpose : | |
144 | // ======================================================================= | |
145 | OpenGl_Text::OpenGl_Text() | |
146 | : myWinX (0.0f), | |
147 | myWinY (0.0f), | |
148 | myWinZ (0.0f), | |
149 | myScaleHeight (1.0f), | |
150 | myPoint (0.0f, 0.0f, 0.0f), | |
ce01ec26 | 151 | myIs2d (false), |
3f1eb0ab | 152 | myHasPlane (false), |
153 | myHasAnchorPoint (true) | |
a174a3c5 | 154 | { |
155 | myParams.Height = 10; | |
156 | myParams.HAlign = Graphic3d_HTA_LEFT; | |
157 | myParams.VAlign = Graphic3d_VTA_BOTTOM; | |
2166f0fa SK |
158 | } |
159 | ||
a174a3c5 | 160 | // ======================================================================= |
161 | // function : OpenGl_Text | |
162 | // purpose : | |
163 | // ======================================================================= | |
b64d84be | 164 | OpenGl_Text::OpenGl_Text (const Standard_Utf8Char* theText, |
165 | const OpenGl_Vec3& thePoint, | |
166 | const OpenGl_TextParam& theParams) | |
a174a3c5 | 167 | : myWinX (0.0f), |
168 | myWinY (0.0f), | |
169 | myWinZ (0.0f), | |
170 | myScaleHeight (1.0f), | |
171 | myExportHeight (1.0f), | |
172 | myParams (theParams), | |
b64d84be | 173 | myString (theText), |
a174a3c5 | 174 | myPoint (thePoint), |
ce01ec26 | 175 | myIs2d (false), |
3f1eb0ab | 176 | myHasPlane (false), |
177 | myHasAnchorPoint (true) | |
a174a3c5 | 178 | { |
179 | // | |
180 | } | |
2166f0fa | 181 | |
ce01ec26 | 182 | // ======================================================================= |
183 | // function : OpenGl_Text | |
184 | // purpose : | |
185 | // ======================================================================= | |
186 | OpenGl_Text::OpenGl_Text (const Standard_Utf8Char* theText, | |
187 | const gp_Ax2& theOrientation, | |
3f1eb0ab | 188 | const OpenGl_TextParam& theParams, |
189 | const bool theHasOwnAnchor) | |
ce01ec26 | 190 | : myWinX (0.0), |
191 | myWinY (0.0), | |
192 | myWinZ (0.0), | |
193 | myScaleHeight (1.0), | |
194 | myExportHeight (1.0), | |
195 | myParams (theParams), | |
196 | myString (theText), | |
197 | myIs2d (false), | |
198 | myOrientation (theOrientation), | |
3f1eb0ab | 199 | myHasPlane (true), |
200 | myHasAnchorPoint (theHasOwnAnchor) | |
ce01ec26 | 201 | { |
202 | const gp_Pnt& aPoint = theOrientation.Location(); | |
203 | myPoint = OpenGl_Vec3 (static_cast<Standard_ShortReal> (aPoint.X()), | |
204 | static_cast<Standard_ShortReal> (aPoint.Y()), | |
205 | static_cast<Standard_ShortReal> (aPoint.Z())); | |
206 | } | |
207 | ||
a174a3c5 | 208 | // ======================================================================= |
209 | // function : SetPosition | |
210 | // purpose : | |
211 | // ======================================================================= | |
212 | void OpenGl_Text::SetPosition (const OpenGl_Vec3& thePoint) | |
2166f0fa | 213 | { |
a174a3c5 | 214 | myPoint = thePoint; |
2166f0fa SK |
215 | } |
216 | ||
a174a3c5 | 217 | // ======================================================================= |
218 | // function : SetFontSize | |
219 | // purpose : | |
220 | // ======================================================================= | |
221 | void OpenGl_Text::SetFontSize (const Handle(OpenGl_Context)& theCtx, | |
222 | const Standard_Integer theFontSize) | |
223 | { | |
224 | if (myParams.Height != theFontSize) | |
225 | { | |
10b9c7df | 226 | Release (theCtx.operator->()); |
a174a3c5 | 227 | } |
228 | myParams.Height = theFontSize; | |
229 | } | |
230 | ||
231 | // ======================================================================= | |
232 | // function : Init | |
233 | // purpose : | |
234 | // ======================================================================= | |
235 | void OpenGl_Text::Init (const Handle(OpenGl_Context)& theCtx, | |
236 | const Standard_Utf8Char* theText, | |
237 | const OpenGl_Vec3& thePoint) | |
238 | { | |
10b9c7df | 239 | releaseVbos (theCtx.operator->()); |
a174a3c5 | 240 | myIs2d = false; |
241 | myPoint = thePoint; | |
242 | myString.FromUnicode (theText); | |
243 | } | |
244 | ||
245 | // ======================================================================= | |
246 | // function : Init | |
247 | // purpose : | |
248 | // ======================================================================= | |
249 | void OpenGl_Text::Init (const Handle(OpenGl_Context)& theCtx, | |
250 | const Standard_Utf8Char* theText, | |
251 | const OpenGl_Vec3& thePoint, | |
252 | const OpenGl_TextParam& theParams) | |
253 | { | |
254 | if (myParams.Height != theParams.Height) | |
255 | { | |
10b9c7df | 256 | Release (theCtx.operator->()); |
a174a3c5 | 257 | } |
258 | else | |
259 | { | |
10b9c7df | 260 | releaseVbos (theCtx.operator->()); |
a174a3c5 | 261 | } |
262 | myIs2d = false; | |
263 | myParams = theParams; | |
264 | myPoint = thePoint; | |
265 | myString.FromUnicode (theText); | |
266 | } | |
2166f0fa | 267 | |
a174a3c5 | 268 | // ======================================================================= |
269 | // function : Init | |
270 | // purpose : | |
271 | // ======================================================================= | |
272 | void OpenGl_Text::Init (const Handle(OpenGl_Context)& theCtx, | |
273 | const TCollection_ExtendedString& theText, | |
274 | const OpenGl_Vec2& thePoint, | |
275 | const OpenGl_TextParam& theParams) | |
2166f0fa | 276 | { |
a174a3c5 | 277 | if (myParams.Height != theParams.Height) |
278 | { | |
10b9c7df | 279 | Release (theCtx.operator->()); |
a174a3c5 | 280 | } |
281 | else | |
282 | { | |
10b9c7df | 283 | releaseVbos (theCtx.operator->()); |
a174a3c5 | 284 | } |
285 | myIs2d = true; | |
286 | myParams = theParams; | |
287 | myPoint.xy() = thePoint; | |
288 | myPoint.z() = 0.0f; | |
fb0b0531 | 289 | myString.FromUnicode (theText.ToExtString()); |
a174a3c5 | 290 | } |
291 | ||
292 | // ======================================================================= | |
293 | // function : ~OpenGl_Text | |
294 | // purpose : | |
295 | // ======================================================================= | |
296 | OpenGl_Text::~OpenGl_Text() | |
297 | { | |
298 | // | |
299 | } | |
300 | ||
301 | // ======================================================================= | |
302 | // function : releaseVbos | |
303 | // purpose : | |
304 | // ======================================================================= | |
10b9c7df | 305 | void OpenGl_Text::releaseVbos (OpenGl_Context* theCtx) |
a174a3c5 | 306 | { |
307 | for (Standard_Integer anIter = 0; anIter < myVertsVbo.Length(); ++anIter) | |
308 | { | |
309 | Handle(OpenGl_VertexBuffer)& aVerts = myVertsVbo.ChangeValue (anIter); | |
310 | Handle(OpenGl_VertexBuffer)& aTCrds = myTCrdsVbo.ChangeValue (anIter); | |
311 | ||
10b9c7df | 312 | if (theCtx) |
a174a3c5 | 313 | { |
314 | theCtx->DelayedRelease (aVerts); | |
315 | theCtx->DelayedRelease (aTCrds); | |
316 | } | |
317 | aVerts.Nullify(); | |
318 | aTCrds.Nullify(); | |
319 | } | |
320 | myTextures.Clear(); | |
321 | myVertsVbo.Clear(); | |
322 | myTCrdsVbo.Clear(); | |
a174a3c5 | 323 | } |
324 | ||
325 | // ======================================================================= | |
326 | // function : Release | |
327 | // purpose : | |
328 | // ======================================================================= | |
10b9c7df | 329 | void OpenGl_Text::Release (OpenGl_Context* theCtx) |
a174a3c5 | 330 | { |
331 | releaseVbos (theCtx); | |
332 | if (!myFont.IsNull()) | |
333 | { | |
334 | Handle(OpenGl_Context) aCtx = theCtx; | |
335 | const TCollection_AsciiString aKey = myFont->ResourceKey(); | |
336 | myFont.Nullify(); | |
c04c30b3 | 337 | if (! aCtx.IsNull()) |
10b9c7df | 338 | aCtx->ReleaseResource (aKey, Standard_True); |
a174a3c5 | 339 | } |
340 | } | |
341 | ||
342 | // ======================================================================= | |
343 | // function : StringSize | |
344 | // purpose : | |
345 | // ======================================================================= | |
346 | void OpenGl_Text::StringSize (const Handle(OpenGl_Context)& theCtx, | |
347 | const NCollection_String& theText, | |
348 | const OpenGl_AspectText& theTextAspect, | |
349 | const OpenGl_TextParam& theParams, | |
4b1c8733 | 350 | const unsigned int theResolution, |
a174a3c5 | 351 | Standard_ShortReal& theWidth, |
352 | Standard_ShortReal& theAscent, | |
353 | Standard_ShortReal& theDescent) | |
354 | { | |
355 | theWidth = 0.0f; | |
356 | theAscent = 0.0f; | |
357 | theDescent = 0.0f; | |
4b1c8733 | 358 | const TCollection_AsciiString aFontKey = FontKey (theTextAspect, theParams.Height, theResolution); |
359 | Handle(OpenGl_Font) aFont = FindFont (theCtx, theTextAspect, theParams.Height, theResolution, aFontKey); | |
a174a3c5 | 360 | if (aFont.IsNull() || !aFont->IsValid()) |
361 | { | |
2166f0fa | 362 | return; |
a174a3c5 | 363 | } |
364 | ||
365 | theAscent = aFont->Ascender(); | |
366 | theDescent = aFont->Descender(); | |
367 | ||
368 | GLfloat aWidth = 0.0f; | |
369 | for (NCollection_Utf8Iter anIter = theText.Iterator(); *anIter != 0;) | |
370 | { | |
371 | const Standard_Utf32Char aCharThis = *anIter; | |
372 | const Standard_Utf32Char aCharNext = *++anIter; | |
373 | ||
374 | if (aCharThis == '\x0D' // CR (carriage return) | |
375 | || aCharThis == '\a' // BEL (alarm) | |
376 | || aCharThis == '\f' // FF (form feed) NP (new page) | |
377 | || aCharThis == '\b' // BS (backspace) | |
378 | || aCharThis == '\v') // VT (vertical tab) | |
379 | { | |
380 | continue; // skip unsupported carriage control codes | |
381 | } | |
382 | else if (aCharThis == '\x0A') // LF (line feed, new line) | |
383 | { | |
384 | theWidth = Max (theWidth, aWidth); | |
385 | aWidth = 0.0f; | |
386 | continue; | |
387 | } | |
388 | else if (aCharThis == ' ') | |
389 | { | |
d2eddacc | 390 | aWidth += aFont->FTFont()->AdvanceX (aCharThis, aCharNext); |
a174a3c5 | 391 | continue; |
392 | } | |
393 | else if (aCharThis == '\t') | |
394 | { | |
d2eddacc | 395 | aWidth += aFont->FTFont()->AdvanceX (' ', aCharNext) * 8.0f; |
a174a3c5 | 396 | continue; |
397 | } | |
398 | ||
d2eddacc | 399 | aWidth += aFont->FTFont()->AdvanceX (aCharThis, aCharNext); |
a174a3c5 | 400 | } |
401 | theWidth = Max (theWidth, aWidth); | |
402 | ||
403 | Handle(OpenGl_Context) aCtx = theCtx; | |
404 | aFont.Nullify(); | |
405 | aCtx->ReleaseResource (aFontKey, Standard_True); | |
406 | } | |
407 | ||
408 | // ======================================================================= | |
409 | // function : Render | |
410 | // purpose : | |
411 | // ======================================================================= | |
412 | void OpenGl_Text::Render (const Handle(OpenGl_Workspace)& theWorkspace) const | |
413 | { | |
f9ba5c4d | 414 | const OpenGl_AspectText* aTextAspect = theWorkspace->ApplyAspectText(); |
25ef750e | 415 | const Handle(OpenGl_Texture) aPrevTexture = theWorkspace->DisableTexture(); |
416 | const Handle(OpenGl_Context)& aCtx = theWorkspace->GetGlContext(); | |
6d0e6be5 | 417 | #if !defined(GL_ES_VERSION_2_0) |
418 | const Standard_Integer aPrevPolygonMode = aCtx->SetPolygonMode (GL_FILL); | |
419 | const bool aPrevHatchingMode = aCtx->SetPolygonHatchEnabled (false); | |
420 | #endif | |
30f0ad28 | 421 | |
b990e557 | 422 | // Bind custom shader program or generate default version |
4e1523ef | 423 | if (aCtx->core20fwd != NULL) |
30f0ad28 | 424 | { |
299e0ab9 | 425 | aCtx->ShaderManager()->BindFontProgram (aTextAspect->ShaderProgramRes (aCtx)); |
30f0ad28 | 426 | } |
427 | ||
c357e426 | 428 | myOrientationMatrix = theWorkspace->View()->Camera()->OrientationMatrix(); |
ce01ec26 | 429 | myProjMatrix.Convert (aCtx->ProjectionState.Current()); |
430 | ||
a174a3c5 | 431 | // use highlight color or colors from aspect |
60273f77 | 432 | render (aCtx, |
f9ba5c4d | 433 | *aTextAspect, |
434 | theWorkspace->TextColor(), | |
435 | theWorkspace->TextSubtitleColor(), | |
436 | theWorkspace->View()->RenderingParams().Resolution); | |
2166f0fa | 437 | |
c6ad5e5f | 438 | aCtx->BindProgram (NULL); |
439 | ||
a174a3c5 | 440 | // restore aspects |
441 | if (!aPrevTexture.IsNull()) | |
442 | { | |
443 | theWorkspace->EnableTexture (aPrevTexture); | |
444 | } | |
6d0e6be5 | 445 | #if !defined(GL_ES_VERSION_2_0) |
446 | aCtx->SetPolygonMode (aPrevPolygonMode); | |
447 | aCtx->SetPolygonHatchEnabled (aPrevHatchingMode); | |
448 | #endif | |
b34efb62 | 449 | |
450 | // restore Z buffer settings | |
eae454e3 | 451 | if (theWorkspace->UseZBuffer()) |
b34efb62 | 452 | { |
453 | glEnable (GL_DEPTH_TEST); | |
454 | } | |
a174a3c5 | 455 | } |
2166f0fa | 456 | |
a174a3c5 | 457 | // ======================================================================= |
458 | // function : Render | |
459 | // purpose : | |
460 | // ======================================================================= | |
60273f77 | 461 | void OpenGl_Text::Render (const Handle(OpenGl_Context)& theCtx, |
462 | const OpenGl_AspectText& theTextAspect, | |
463 | const unsigned int theResolution) const | |
a174a3c5 | 464 | { |
60273f77 | 465 | render (theCtx, theTextAspect, |
b6472664 | 466 | theTextAspect.Aspect()->ColorRGBA(), |
467 | theTextAspect.Aspect()->ColorSubTitleRGBA(), | |
468 | theResolution); | |
a174a3c5 | 469 | } |
2166f0fa | 470 | |
a174a3c5 | 471 | // ======================================================================= |
472 | // function : setupMatrix | |
473 | // purpose : | |
474 | // ======================================================================= | |
60273f77 | 475 | void OpenGl_Text::setupMatrix (const Handle(OpenGl_Context)& theCtx, |
476 | const OpenGl_AspectText& theTextAspect, | |
477 | const OpenGl_Vec3 theDVec) const | |
a174a3c5 | 478 | { |
c827ea3a | 479 | OpenGl_Mat4d aModViewMat; |
ce01ec26 | 480 | OpenGl_Mat4d aProjectMat; |
3f1eb0ab | 481 | if (myHasPlane && myHasAnchorPoint) |
ce01ec26 | 482 | { |
483 | aProjectMat = myProjMatrix * myOrientationMatrix; | |
484 | } | |
485 | else | |
486 | { | |
487 | aProjectMat = myProjMatrix; | |
488 | } | |
c827ea3a | 489 | |
a174a3c5 | 490 | if (myIs2d) |
bf75be98 | 491 | { |
825aa485 | 492 | Graphic3d_TransformUtils::Translate<GLdouble> (aModViewMat, myPoint.x() + theDVec.x(), myPoint.y() + theDVec.y(), 0.f); |
493 | Graphic3d_TransformUtils::Scale<GLdouble> (aModViewMat, 1.f, -1.f, 1.f); | |
b6472664 | 494 | Graphic3d_TransformUtils::Rotate<GLdouble> (aModViewMat, theTextAspect.Aspect()->GetTextAngle(), 0.f, 0.f, 1.f); |
2166f0fa SK |
495 | } |
496 | else | |
497 | { | |
a174a3c5 | 498 | // align coordinates to the nearest integer |
499 | // to avoid extra interpolation issues | |
500 | GLdouble anObjX, anObjY, anObjZ; | |
825aa485 | 501 | Graphic3d_TransformUtils::UnProject<Standard_Real> (std::floor (myWinX + theDVec.x()), |
502 | std::floor (myWinY + theDVec.y()), | |
503 | myWinZ + theDVec.z(), | |
504 | OpenGl_Mat4d::Map (THE_IDENTITY_MATRIX), | |
ce01ec26 | 505 | OpenGl_Mat4d::Map (aProjectMat), |
3bffef55 | 506 | theCtx->Viewport(), |
825aa485 | 507 | anObjX, |
508 | anObjY, | |
509 | anObjZ); | |
510 | ||
ce01ec26 | 511 | if (myHasPlane) |
512 | { | |
513 | const gp_Dir& aVectorDir = myOrientation.XDirection(); | |
514 | const gp_Dir& aVectorUp = myOrientation.Direction(); | |
515 | const gp_Dir& aVectorRight = myOrientation.YDirection(); | |
516 | ||
ce01ec26 | 517 | aModViewMat.SetColumn (2, OpenGl_Vec3d (aVectorUp.X(), aVectorUp.Y(), aVectorUp.Z())); |
518 | aModViewMat.SetColumn (1, OpenGl_Vec3d (aVectorRight.X(), aVectorRight.Y(), aVectorRight.Z())); | |
519 | aModViewMat.SetColumn (0, OpenGl_Vec3d (aVectorDir.X(), aVectorDir.Y(), aVectorDir.Z())); | |
3f1eb0ab | 520 | |
521 | if (!myHasAnchorPoint) | |
522 | { | |
523 | OpenGl_Mat4d aPosMat; | |
524 | aPosMat.SetColumn (3, OpenGl_Vec3d (myPoint.x(), myPoint.y(), myPoint.z())); | |
525 | aPosMat *= aModViewMat; | |
526 | aModViewMat.SetColumn (3, aPosMat.GetColumn (3)); | |
527 | } | |
528 | else | |
529 | { | |
530 | aModViewMat.SetColumn (3, OpenGl_Vec3d (anObjX, anObjY, anObjZ)); | |
531 | } | |
ce01ec26 | 532 | } |
533 | else | |
534 | { | |
535 | Graphic3d_TransformUtils::Translate<GLdouble> (aModViewMat, anObjX, anObjY, anObjZ); | |
b6472664 | 536 | Graphic3d_TransformUtils::Rotate<GLdouble> (aModViewMat, theTextAspect.Aspect()->GetTextAngle(), 0.0, 0.0, 1.0); |
ce01ec26 | 537 | } |
825aa485 | 538 | |
b6472664 | 539 | if (!theTextAspect.Aspect()->GetTextZoomable()) |
a174a3c5 | 540 | { |
825aa485 | 541 | Graphic3d_TransformUtils::Scale<GLdouble> (aModViewMat, myScaleHeight, myScaleHeight, myScaleHeight); |
a174a3c5 | 542 | } |
543 | } | |
c827ea3a | 544 | |
3f1eb0ab | 545 | if (myHasPlane && !myHasAnchorPoint) |
546 | { | |
547 | OpenGl_Mat4d aCurrentWorldViewMat; | |
548 | aCurrentWorldViewMat.Convert (theCtx->WorldViewState.Current()); | |
549 | theCtx->WorldViewState.SetCurrent<Standard_Real> (aCurrentWorldViewMat * aModViewMat); | |
550 | } | |
551 | else | |
552 | { | |
553 | theCtx->WorldViewState.SetCurrent<Standard_Real> (aModViewMat); | |
554 | } | |
c827ea3a | 555 | theCtx->ApplyWorldViewMatrix(); |
b990e557 | 556 | |
ce01ec26 | 557 | if (!myIs2d) |
558 | { | |
559 | theCtx->ProjectionState.SetCurrent<Standard_Real> (aProjectMat); | |
560 | theCtx->ApplyProjectionMatrix(); | |
561 | } | |
562 | ||
b990e557 | 563 | if (!theCtx->ActiveProgram().IsNull()) |
564 | { | |
565 | // Upload updated state to shader program | |
566 | theCtx->ShaderManager()->PushState (theCtx->ActiveProgram()); | |
567 | } | |
a174a3c5 | 568 | } |
569 | ||
570 | // ======================================================================= | |
571 | // function : drawText | |
572 | // purpose : | |
573 | // ======================================================================= | |
60273f77 | 574 | void OpenGl_Text::drawText (const Handle(OpenGl_Context)& theCtx, |
575 | const OpenGl_AspectText& theTextAspect) const | |
a174a3c5 | 576 | { |
577 | #ifdef HAVE_GL2PS | |
578 | if (theCtx->IsFeedback()) | |
579 | { | |
580 | // position of the text and alignment is calculated by transformation matrix | |
581 | exportText (myString, myIs2d, theTextAspect, (Standard_Integer )myExportHeight); | |
582 | return; | |
2166f0fa | 583 | } |
60273f77 | 584 | #else |
585 | (void )theTextAspect; | |
a174a3c5 | 586 | #endif |
2166f0fa | 587 | |
7d3e64ef | 588 | if (myVertsVbo.Length() != myTextures.Length() |
589 | || myTextures.IsEmpty()) | |
2166f0fa | 590 | { |
7d3e64ef | 591 | return; |
2166f0fa | 592 | } |
7d3e64ef | 593 | |
594 | for (Standard_Integer anIter = 0; anIter < myTextures.Length(); ++anIter) | |
a174a3c5 | 595 | { |
7d3e64ef | 596 | const GLuint aTexId = myTextures.Value (anIter); |
597 | glBindTexture (GL_TEXTURE_2D, aTexId); | |
a174a3c5 | 598 | |
7d3e64ef | 599 | const Handle(OpenGl_VertexBuffer)& aVerts = myVertsVbo.Value (anIter); |
600 | const Handle(OpenGl_VertexBuffer)& aTCrds = myTCrdsVbo.Value (anIter); | |
601 | aVerts->BindAttribute (theCtx, Graphic3d_TOA_POS); | |
602 | aTCrds->BindAttribute (theCtx, Graphic3d_TOA_UV); | |
2166f0fa | 603 | |
7d3e64ef | 604 | glDrawArrays (GL_TRIANGLES, 0, GLsizei(aVerts->GetElemsNb())); |
2166f0fa | 605 | |
b990e557 | 606 | aTCrds->UnbindAttribute (theCtx, Graphic3d_TOA_UV); |
7d3e64ef | 607 | aVerts->UnbindAttribute (theCtx, Graphic3d_TOA_POS); |
a174a3c5 | 608 | } |
7d3e64ef | 609 | glBindTexture (GL_TEXTURE_2D, 0); |
a174a3c5 | 610 | } |
2166f0fa | 611 | |
a174a3c5 | 612 | // ======================================================================= |
613 | // function : FontKey | |
614 | // purpose : | |
615 | // ======================================================================= | |
616 | TCollection_AsciiString OpenGl_Text::FontKey (const OpenGl_AspectText& theAspect, | |
4b1c8733 | 617 | const Standard_Integer theHeight, |
618 | const unsigned int theResolution) | |
a174a3c5 | 619 | { |
b6472664 | 620 | const Font_FontAspect anAspect = theAspect.Aspect()->GetTextFontAspect() != Font_FA_Undefined |
621 | ? theAspect.Aspect()->GetTextFontAspect() | |
622 | : Font_FA_Regular; | |
623 | return theAspect.Aspect()->Font() | |
a174a3c5 | 624 | + TCollection_AsciiString(":") + Standard_Integer(anAspect) |
4b1c8733 | 625 | + TCollection_AsciiString(":") + Standard_Integer(theResolution) |
a174a3c5 | 626 | + TCollection_AsciiString(":") + theHeight; |
627 | } | |
628 | ||
629 | // ======================================================================= | |
630 | // function : FindFont | |
631 | // purpose : | |
632 | // ======================================================================= | |
633 | Handle(OpenGl_Font) OpenGl_Text::FindFont (const Handle(OpenGl_Context)& theCtx, | |
634 | const OpenGl_AspectText& theAspect, | |
635 | const Standard_Integer theHeight, | |
4b1c8733 | 636 | const unsigned int theResolution, |
a174a3c5 | 637 | const TCollection_AsciiString theKey) |
638 | { | |
639 | Handle(OpenGl_Font) aFont; | |
640 | if (theHeight < 2) | |
2166f0fa | 641 | { |
a174a3c5 | 642 | return aFont; // invalid parameters |
643 | } | |
2166f0fa | 644 | |
a174a3c5 | 645 | if (!theCtx->GetResource (theKey, aFont)) |
646 | { | |
647 | Handle(Font_FontMgr) aFontMgr = Font_FontMgr::GetInstance(); | |
b6472664 | 648 | const Handle(TCollection_HAsciiString) aFontName = new TCollection_HAsciiString (theAspect.Aspect()->Font()); |
649 | const Font_FontAspect anAspect = theAspect.Aspect()->GetTextFontAspect() != Font_FA_Undefined | |
650 | ? theAspect.Aspect()->GetTextFontAspect() | |
651 | : Font_FA_Regular; | |
a174a3c5 | 652 | Handle(Font_SystemFont) aRequestedFont = aFontMgr->FindFont (aFontName, anAspect, theHeight); |
65360da3 | 653 | Handle(Font_FTFont) aFontFt; |
654 | if (!aRequestedFont.IsNull()) | |
2166f0fa | 655 | { |
65360da3 | 656 | aFontFt = new Font_FTFont (NULL); |
317d68c9 | 657 | |
4b1c8733 | 658 | if (aFontFt->Init (aRequestedFont->FontPath()->ToCString(), theHeight, theResolution)) |
65360da3 | 659 | { |
660 | aFont = new OpenGl_Font (aFontFt, theKey); | |
661 | if (!aFont->Init (theCtx)) | |
662 | { | |
663 | TCollection_ExtendedString aMsg; | |
664 | aMsg += "Font '"; | |
b6472664 | 665 | aMsg += theAspect.Aspect()->Font(); |
65360da3 | 666 | aMsg += "' - initialization of GL resources has failed!"; |
3b523c4c | 667 | theCtx->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_ERROR, 0, GL_DEBUG_SEVERITY_HIGH, aMsg); |
65360da3 | 668 | aFontFt.Nullify(); |
c6ad5e5f | 669 | aFont->Release (theCtx.operator->()); |
65360da3 | 670 | aFont = new OpenGl_Font (aFontFt, theKey); |
671 | } | |
672 | } | |
673 | else | |
674 | { | |
675 | TCollection_ExtendedString aMsg; | |
676 | aMsg += "Font '"; | |
b6472664 | 677 | aMsg += theAspect.Aspect()->Font(); |
65360da3 | 678 | aMsg += "' is broken or has incompatible format! File path: "; |
679 | aMsg += aRequestedFont->FontPath()->ToCString(); | |
3b523c4c | 680 | theCtx->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_ERROR, 0, GL_DEBUG_SEVERITY_HIGH, aMsg); |
65360da3 | 681 | aFontFt.Nullify(); |
682 | aFont = new OpenGl_Font (aFontFt, theKey); | |
683 | } | |
a174a3c5 | 684 | } |
65360da3 | 685 | else |
a174a3c5 | 686 | { |
65360da3 | 687 | TCollection_ExtendedString aMsg; |
688 | aMsg += "Font '"; | |
b6472664 | 689 | aMsg += theAspect.Aspect()->Font(); |
65360da3 | 690 | aMsg += "' is not found in the system!"; |
3b523c4c | 691 | theCtx->PushMessage (GL_DEBUG_SOURCE_APPLICATION, GL_DEBUG_TYPE_ERROR, 0, GL_DEBUG_SEVERITY_HIGH, aMsg); |
65360da3 | 692 | aFont = new OpenGl_Font (aFontFt, theKey); |
a174a3c5 | 693 | } |
a174a3c5 | 694 | |
b34efb62 | 695 | theCtx->ShareResource (theKey, aFont); |
a174a3c5 | 696 | } |
697 | return aFont; | |
698 | } | |
699 | ||
700 | // ======================================================================= | |
701 | // function : render | |
702 | // purpose : | |
703 | // ======================================================================= | |
60273f77 | 704 | void OpenGl_Text::render (const Handle(OpenGl_Context)& theCtx, |
705 | const OpenGl_AspectText& theTextAspect, | |
706 | const OpenGl_Vec4& theColorText, | |
707 | const OpenGl_Vec4& theColorSubs, | |
708 | const unsigned int theResolution) const | |
a174a3c5 | 709 | { |
710 | if (myString.IsEmpty()) | |
711 | { | |
712 | return; | |
713 | } | |
714 | ||
4b1c8733 | 715 | // Note that using difference resolution in different Views in same Viewer |
716 | // will lead to performance regression (for example, text will be recreated every time). | |
717 | const TCollection_AsciiString aFontKey = FontKey (theTextAspect, myParams.Height, theResolution); | |
a174a3c5 | 718 | if (!myFont.IsNull() |
719 | && !myFont->ResourceKey().IsEqual (aFontKey)) | |
720 | { | |
721 | // font changed | |
10b9c7df | 722 | const_cast<OpenGl_Text* > (this)->Release (theCtx.operator->()); |
a174a3c5 | 723 | } |
724 | ||
725 | if (myFont.IsNull()) | |
726 | { | |
4b1c8733 | 727 | myFont = FindFont (theCtx, theTextAspect, myParams.Height, theResolution, aFontKey); |
65360da3 | 728 | } |
729 | if (!myFont->WasInitialized()) | |
730 | { | |
731 | return; | |
a174a3c5 | 732 | } |
733 | ||
734 | if (myTextures.IsEmpty()) | |
735 | { | |
317d68c9 | 736 | Font_TextFormatter aFormatter; |
a174a3c5 | 737 | aFormatter.SetupAlignment (myParams.HAlign, myParams.VAlign); |
738 | aFormatter.Reset(); | |
317d68c9 | 739 | |
d2eddacc | 740 | aFormatter.Append (myString, *myFont->FTFont().operator->()); |
a174a3c5 | 741 | aFormatter.Format(); |
742 | ||
317d68c9 | 743 | OpenGl_TextBuilder aBuilder; |
744 | aBuilder.Perform (aFormatter, | |
745 | theCtx, | |
746 | *myFont.operator->(), | |
747 | myTextures, | |
748 | myVertsVbo, | |
749 | myTCrdsVbo); | |
750 | ||
a174a3c5 | 751 | aFormatter.BndBox (myBndBox); |
752 | } | |
753 | ||
754 | if (myTextures.IsEmpty()) | |
755 | { | |
756 | return; | |
757 | } | |
758 | ||
759 | myExportHeight = 1.0f; | |
760 | myScaleHeight = 1.0f; | |
761 | ||
3f1eb0ab | 762 | if (myHasPlane && !myHasAnchorPoint) |
763 | { | |
764 | OpenGl_Mat4d aWorldViewMat; | |
765 | aWorldViewMat.Convert (theCtx->WorldViewState.Current()); | |
766 | theCtx->WorldViewState.Push(); | |
767 | theCtx->WorldViewState.SetCurrent<Standard_Real> (aWorldViewMat); | |
768 | theCtx->ApplyWorldViewMatrix(); | |
769 | } | |
770 | else | |
771 | { | |
772 | theCtx->WorldViewState.Push(); | |
773 | } | |
c827ea3a | 774 | |
c827ea3a | 775 | myModelMatrix.Convert (theCtx->WorldViewState.Current() * theCtx->ModelWorldState.Current()); |
776 | ||
a174a3c5 | 777 | if (!myIs2d) |
778 | { | |
825aa485 | 779 | Graphic3d_TransformUtils::Project<Standard_Real> (myPoint.x(), |
780 | myPoint.y(), | |
781 | myPoint.z(), | |
782 | myModelMatrix, | |
783 | myProjMatrix, | |
3bffef55 | 784 | theCtx->Viewport(), |
825aa485 | 785 | myWinX, |
786 | myWinY, | |
787 | myWinZ); | |
a174a3c5 | 788 | |
789 | // compute scale factor for constant text height | |
790 | GLdouble x1, y1, z1; | |
825aa485 | 791 | Graphic3d_TransformUtils::UnProject<Standard_Real> (myWinX, |
792 | myWinY, | |
793 | myWinZ, | |
794 | OpenGl_Mat4d::Map (THE_IDENTITY_MATRIX), | |
795 | myProjMatrix, | |
3bffef55 | 796 | theCtx->Viewport(), |
825aa485 | 797 | x1, |
798 | y1, | |
799 | z1); | |
a174a3c5 | 800 | |
801 | GLdouble x2, y2, z2; | |
802 | const GLdouble h = (GLdouble )myFont->FTFont()->PointSize(); | |
825aa485 | 803 | Graphic3d_TransformUtils::UnProject<Standard_Real> (myWinX, |
804 | myWinY + h, | |
805 | myWinZ, | |
806 | OpenGl_Mat4d::Map (THE_IDENTITY_MATRIX), | |
807 | myProjMatrix, | |
3bffef55 | 808 | theCtx->Viewport(), |
825aa485 | 809 | x2, |
810 | y2, | |
811 | z2); | |
a174a3c5 | 812 | |
813 | myScaleHeight = (y2 - y1) / h; | |
b6472664 | 814 | if (theTextAspect.Aspect()->GetTextZoomable()) |
a174a3c5 | 815 | { |
816 | myExportHeight = (float )h; | |
817 | } | |
818 | } | |
819 | myExportHeight = (float )myFont->FTFont()->PointSize() / myExportHeight; | |
820 | ||
b990e557 | 821 | #if !defined(GL_ES_VERSION_2_0) |
65360da3 | 822 | if (theCtx->core11 != NULL) |
823 | { | |
824 | glDisable (GL_LIGHTING); | |
825 | } | |
826 | #endif | |
a174a3c5 | 827 | |
828 | // setup depth test | |
eae454e3 | 829 | if (myIs2d |
b6472664 | 830 | || theTextAspect.Aspect()->Style() == Aspect_TOST_ANNOTATION) |
a174a3c5 | 831 | { |
832 | glDisable (GL_DEPTH_TEST); | |
833 | } | |
834 | ||
65360da3 | 835 | if (theCtx->core15fwd != NULL) |
a174a3c5 | 836 | { |
65360da3 | 837 | theCtx->core15fwd->glActiveTexture (GL_TEXTURE0); |
a174a3c5 | 838 | } |
65360da3 | 839 | #if !defined(GL_ES_VERSION_2_0) |
a174a3c5 | 840 | // activate texture unit |
65360da3 | 841 | GLint aTexEnvParam = GL_REPLACE; |
842 | if (theCtx->core11 != NULL) | |
a174a3c5 | 843 | { |
c6ad5e5f | 844 | // setup alpha test |
845 | glAlphaFunc (GL_GEQUAL, 0.285f); | |
846 | glEnable (GL_ALPHA_TEST); | |
847 | ||
65360da3 | 848 | glDisable (GL_TEXTURE_1D); |
849 | glEnable (GL_TEXTURE_2D); | |
850 | glGetTexEnviv (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &aTexEnvParam); | |
851 | if (aTexEnvParam != GL_REPLACE) | |
852 | { | |
853 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); | |
854 | } | |
a174a3c5 | 855 | } |
65360da3 | 856 | #endif |
857 | ||
858 | // setup blending | |
859 | glEnable (GL_BLEND); | |
860 | glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | |
a174a3c5 | 861 | |
862 | // extra drawings | |
b6472664 | 863 | switch (theTextAspect.Aspect()->DisplayType()) |
a174a3c5 | 864 | { |
2166f0fa | 865 | case Aspect_TODT_BLEND: |
a174a3c5 | 866 | { |
65360da3 | 867 | #if !defined(GL_ES_VERSION_2_0) |
a174a3c5 | 868 | glEnable (GL_COLOR_LOGIC_OP); |
869 | glLogicOp (GL_XOR); | |
65360da3 | 870 | #endif |
2166f0fa | 871 | break; |
a174a3c5 | 872 | } |
2166f0fa SK |
873 | case Aspect_TODT_SUBTITLE: |
874 | { | |
65360da3 | 875 | #if !defined(GL_ES_VERSION_2_0) |
876 | if (theCtx->core11 != NULL) | |
877 | { | |
b6472664 | 878 | theCtx->SetColor4fv (theColorSubs); |
60273f77 | 879 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (0.0f, 0.0f, 0.00001f)); |
65360da3 | 880 | |
881 | glBindTexture (GL_TEXTURE_2D, 0); | |
882 | glBegin (GL_QUADS); | |
883 | glVertex2f (myBndBox.Left, myBndBox.Top); | |
884 | glVertex2f (myBndBox.Right, myBndBox.Top); | |
885 | glVertex2f (myBndBox.Right, myBndBox.Bottom); | |
886 | glVertex2f (myBndBox.Left, myBndBox.Bottom); | |
887 | glEnd(); | |
888 | } | |
889 | #endif | |
2166f0fa SK |
890 | break; |
891 | } | |
2166f0fa | 892 | case Aspect_TODT_DEKALE: |
a174a3c5 | 893 | { |
b6472664 | 894 | theCtx->SetColor4fv (theColorSubs); |
60273f77 | 895 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (+1.0f, +1.0f, 0.00001f)); |
896 | drawText (theCtx, theTextAspect); | |
897 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (-1.0f, -1.0f, 0.00001f)); | |
898 | drawText (theCtx, theTextAspect); | |
899 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (-1.0f, +1.0f, 0.00001f)); | |
900 | drawText (theCtx, theTextAspect); | |
901 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (+1.0f, -1.0f, 0.00001f)); | |
902 | drawText (theCtx, theTextAspect); | |
a174a3c5 | 903 | break; |
904 | } | |
a6eb515f | 905 | case Aspect_TODT_DIMENSION: |
a174a3c5 | 906 | case Aspect_TODT_NORMAL: |
907 | { | |
2166f0fa SK |
908 | break; |
909 | } | |
910 | } | |
911 | ||
a174a3c5 | 912 | // main draw call |
b6472664 | 913 | theCtx->SetColor4fv (theColorText); |
60273f77 | 914 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (0.0f, 0.0f, 0.0f)); |
915 | drawText (theCtx, theTextAspect); | |
2166f0fa | 916 | |
ce01ec26 | 917 | if (!myIs2d) |
918 | { | |
919 | theCtx->ProjectionState.SetCurrent<Standard_Real> (myProjMatrix); | |
920 | theCtx->ApplyProjectionMatrix(); | |
921 | } | |
922 | ||
65360da3 | 923 | #if !defined(GL_ES_VERSION_2_0) |
924 | if (theCtx->core11 != NULL) | |
925 | { | |
926 | glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, aTexEnvParam); | |
927 | } | |
928 | #endif | |
543f0db0 | 929 | |
b6472664 | 930 | if (theTextAspect.Aspect()->DisplayType() == Aspect_TODT_DIMENSION) |
543f0db0 | 931 | { |
60273f77 | 932 | setupMatrix (theCtx, theTextAspect, OpenGl_Vec3 (0.0f, 0.0f, 0.00001f)); |
543f0db0 | 933 | |
934 | glDisable (GL_BLEND); | |
543f0db0 | 935 | if (!myIs2d) |
936 | { | |
937 | glDisable (GL_DEPTH_TEST); | |
938 | } | |
65360da3 | 939 | #if !defined(GL_ES_VERSION_2_0) |
940 | if (theCtx->core11 != NULL) | |
941 | { | |
942 | glDisable (GL_TEXTURE_2D); | |
943 | glDisable (GL_ALPHA_TEST); | |
944 | } | |
945 | #endif | |
543f0db0 | 946 | glColorMask (GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); |
947 | ||
948 | glClear (GL_STENCIL_BUFFER_BIT); | |
949 | glEnable (GL_STENCIL_TEST); | |
950 | glStencilFunc (GL_ALWAYS, 1, 0xFF); | |
951 | glStencilOp (GL_KEEP, GL_KEEP, GL_REPLACE); | |
952 | ||
65360da3 | 953 | #if !defined(GL_ES_VERSION_2_0) |
954 | if (theCtx->core11 != NULL) | |
955 | { | |
956 | glBegin (GL_QUADS); | |
957 | glVertex2f (myBndBox.Left, myBndBox.Top); | |
958 | glVertex2f (myBndBox.Right, myBndBox.Top); | |
959 | glVertex2f (myBndBox.Right, myBndBox.Bottom); | |
960 | glVertex2f (myBndBox.Left, myBndBox.Bottom); | |
961 | glEnd(); | |
962 | } | |
963 | #endif | |
543f0db0 | 964 | |
965 | glStencilFunc (GL_ALWAYS, 0, 0xFF); | |
543f0db0 | 966 | |
967 | glColorMask (GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); | |
968 | } | |
969 | ||
b34efb62 | 970 | // reset OpenGL state |
971 | glDisable (GL_BLEND); | |
b34efb62 | 972 | glDisable (GL_STENCIL_TEST); |
65360da3 | 973 | #if !defined(GL_ES_VERSION_2_0) |
c6ad5e5f | 974 | if (theCtx->core11 != NULL) |
975 | { | |
976 | glDisable (GL_ALPHA_TEST); | |
977 | } | |
b34efb62 | 978 | glDisable (GL_COLOR_LOGIC_OP); |
65360da3 | 979 | #endif |
c827ea3a | 980 | |
981 | // model view matrix was modified | |
982 | theCtx->WorldViewState.Pop(); | |
983 | theCtx->ApplyModelViewMatrix(); | |
5e27df78 | 984 | } |