1 #ifndef COIN_SONORMALELEMENT_H 2 #define COIN_SONORMALELEMENT_H 3 4 /**************************************************************************\ 5 * Copyright (c) Kongsberg Oil & Gas Technologies AS 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are 10 * met: 11 * 12 * Redistributions of source code must retain the above copyright notice, 13 * this list of conditions and the following disclaimer. 14 * 15 * Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * Neither the name of the copyright holder nor the names of its 20 * contributors may be used to endorse or promote products derived from 21 * this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 \**************************************************************************/ 35 36 #include <Inventor/elements/SoReplacedElement.h> 37 #include <Inventor/SbVec3f.h> 38 #include <cassert> 39 40 class COIN_DLL_API SoNormalElement : public SoReplacedElement { 41 typedef SoReplacedElement inherited; 42 43 SO_ELEMENT_HEADER(SoNormalElement); 44 public: 45 static void initClass(void); 46 protected: 47 virtual ~SoNormalElement(); 48 49 public: 50 virtual void init(SoState * state); 51 52 static void set(SoState * const state, SoNode * const node, 53 const int32_t numNormals, const SbVec3f * const normals, 54 const SbBool normalsAreUnitLength = FALSE); 55 56 static const SoNormalElement * getInstance(SoState * const state); 57 int32_t getNum(void) const; 58 const SbVec3f & get(const int index) const; 59 const SbVec3f *getArrayPtr(void) const; 60 61 SbBool areNormalsUnitLength(void) const; 62 63 protected: 64 int32_t numNormals; 65 const SbVec3f * normals; 66 SbBool unitLength; 67 }; 68 69 #endif // !COIN_SONORMALELEMENT_H 70