00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : SGI (MMM YYYY) 00025 **=======================================================================*/ 00026 /*======================================================================= 00027 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00028 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00029 *** *** 00030 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00031 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00032 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00033 *** *** 00034 *** RESTRICTED RIGHTS LEGEND *** 00035 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00036 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00037 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00038 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00039 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00040 *** *** 00041 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : Nicolas DAGUISE (Oct 2004) 00047 **=======================================================================*/ 00048 00049 00050 #ifndef _SO_TEXT_2_ 00051 #define _SO_TEXT_2_ 00052 00053 #include <Inventor/SbViewportRegion.h> 00054 #include <Inventor/fields/SoMFString.h> 00055 #include <Inventor/fields/SoSFEnum.h> 00056 #include <Inventor/fields/SoSFFloat.h> 00057 #include <Inventor/fields/SoSFBool.h> 00058 #include <Inventor/fields/SoMFVec3f.h> 00059 #include <Inventor/nodes/SoShape.h> 00060 #include <Inventor/STL/map> 00061 00062 class SoFontServer; 00063 class TextBBoxCache; 00064 class SoAnnoText3; 00065 00198 class SoText2 : public SoShape { 00199 00200 SO_NODE_HEADER(SoText2); 00201 00202 public: 00204 enum Justification { 00208 LEFT = 0x01, 00212 CENTER = 0x03, 00216 RIGHT = 0x02, 00220 INHERITED = 0x04 00221 }; 00222 00227 SoMFString string; 00234 SoSFFloat spacing; 00247 SoSFEnum justification; 00248 00252 SoText2(); 00253 00254 private: 00255 virtual void GLRender(SoGLRenderAction *action); 00256 virtual void rayPick(SoRayPickAction *action); 00257 virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action); 00258 void testRayPick(SoRayPickAction *action, SoNode *node); 00259 00260 // Computes bounding box of text 00261 virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f ¢er); 00262 00267 virtual SoNode* getAlternateRep( SoAction* action ); 00268 00269 private: 00270 static void initClass(); 00271 static void exitClass(); 00272 00273 void setRenderZoom(bool zoom); 00274 bool isRenderZoom(); 00275 00276 virtual SoNode* createAlternateRep( SoAction* action ); 00277 00278 void addFontCache(void *fontCache); 00279 void removeFontCache(void *fontCache); 00280 int getNumFontCache(); 00281 void* getFontCache(int i); 00282 00283 private: 00284 // Returns TRUE if the shape should be rendered. Subclasses can 00285 // call this in their rendering methods to determine whether to 00286 // continue. 00287 virtual SbBool shouldGLRender(SoGLRenderAction *action, SbBool isPointsOrLines = FALSE); 00288 00289 // This method is a no-op for SoText2, since there are no 00290 // primitives it can generate 00291 virtual void generatePrimitives(SoAction *action); 00292 00293 virtual ~SoText2(); 00294 00295 friend class SoAnnoText3; 00296 00297 private: 00298 00299 SoFontServer* m_fontServer; 00300 SbPList* m_fontBaseList; 00301 bool m_renderZoom; 00302 }; 00303 00304 #endif // _SO_TEXT_2_ 00305 00306 00307 00308 00309