Source

Coin / include / Inventor / engines / SoInterpolate.h

Morten Eriksen dded2ef 
Marius Kintel 3ba6b41 




























Morten Eriksen dded2ef 

Morten Eriksen 7c6e4fe 







Morten Eriksen 1f26ea1 
Morten Eriksen 7c6e4fe 







Morten Eriksen da2e299 
Morten Eriksen 7c6e4fe 


Lars J. Aas 340c459 
Morten Eriksen 7c6e4fe 



Morten Eriksen c4ad6e2 
Morten Eriksen 7c6e4fe 












Morten Eriksen c4ad6e2 
Morten Eriksen 7c6e4fe 



Morten Eriksen c4ad6e2 


Morten Eriksen 7c6e4fe 

Morten Eriksen c4ad6e2 


Morten Eriksen 7c6e4fe 












Morten Eriksen c4ad6e2 




























Morten Eriksen 7c6e4fe 













Morten Eriksen 2fbd5a7 
Morten Eriksen dded2ef 



Morten Eriksen 7c6e4fe 


/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/

#ifndef COIN_SOINTERPOLATE_H
#define COIN_SOINTERPOLATE_H


#include <Inventor/engines/SoSubEngine.h>
#include <Inventor/engines/SoEngineOutput.h>
#include <Inventor/fields/SoSFFloat.h>

class COIN_DLL_API SoInterpolate : public SoEngine {
  typedef SoEngine inherited;
  SO_ENGINE_ABSTRACT_HEADER(SoInterpolate);

public:
  static void initClass(void);
  static void initClasses(void);

  SoSFFloat alpha;
  SoEngineOutput output; // type varies for subclasses

protected:
  SoInterpolate();
  virtual ~SoInterpolate(void);
};



//// Start macros ////////////////////////////////////////////////////////


#define SO_INTERPOLATE_HEADER(_class_) \
  SO_ENGINE_HEADER(_class_); \
  public: \
    _class_(); \
    static void initClass(); \
  protected: \
    virtual ~_class_(); \
  private: \
    virtual void evaluate()


#define PRIVATE_SO_INTERPOLATE_CONSTRUCTOR(_class_, _type_, _valtype_, _default0_, _default1_) \
  SO_ENGINE_CONSTRUCTOR(_class_); \
  SO_ENGINE_ADD_INPUT(alpha, (0.0f)); \
  SO_ENGINE_ADD_INPUT(input0, _default0_); \
  SO_ENGINE_ADD_INPUT(input1, _default1_); \
  SO_ENGINE_ADD_OUTPUT(output, _type_)

#define PRIVATE_SO_INTERPOLATE_DESTRUCTOR(_class_) \
_class_::~_class_() \
{ \
}

#define PRIVATE_SO_INTERPOLATE_EVALUATE(_class_, _type_, _valtype_, _interpexp_) \
void \
_class_::evaluate(void) \
{ \
  int n0 = this->input0.getNum(); \
  int n1 = this->input1.getNum(); \
  float a = this->alpha.getValue(); \
  for (int i = SbMax(n0, n1) - 1; i >= 0; i--) { \
    _valtype_ v0 = this->input0[SbMin(i, n0-1)]; \
    _valtype_ v1 = this->input1[SbMin(i, n1-1)]; \
    SO_ENGINE_OUTPUT(output, _type_, set1Value(i, _interpexp_)); \
  } \
}


// Considering the number of lines of code needed to implement
// the evaluate() method in each class, I'm amazed it is defined in
// a macro and not simply implemented for each class. But, I guess
// we'll have to supply this macro to keep the OIV compatibility,
// so here it is. Check the interpolator classes for examples on
// how to use it.
//                                               pederb, 20000309
//
// There's another version of this macro for internal use in the
// SoSubEngineP.h file, so match any changes you do here with that
// macro also -- if applicable.
//
//                                               mortene, 20000505

#define SO_INTERPOLATE_SOURCE(_class_, _type_, _valtype_, _default0_, _default1_, _interpexp_) \
 \
SO_ENGINE_SOURCE(_class_); \
 \
_class_::_class_(void) \
{ \
  PRIVATE_SO_INTERPOLATE_CONSTRUCTOR(_class_, _type_, _valtype_, _default0_, _default1_); \
  this->isBuiltIn = FALSE; \
} \
 \
PRIVATE_SO_INTERPOLATE_DESTRUCTOR(_class_) \
PRIVATE_SO_INTERPOLATE_EVALUATE(_class_, _type_, _valtype_, _interpexp_)


#define SO_INTERPOLATE_INITCLASS(_class_, _classname_) \
 \
void \
_class_::initClass(void) \
{ \
  SO_ENGINE_INIT_CLASS(_class_, SoInterpolate, "SoInterpolate"); \
}


//// End macros //////////////////////////////////////////////////////////


#ifndef COIN_INTERNAL
// Include these header files for better Open Inventor compatibility.
#include <Inventor/engines/SoInterpolateFloat.h>
#include <Inventor/engines/SoInterpolateVec2f.h>
#include <Inventor/engines/SoInterpolateVec3f.h>
#include <Inventor/engines/SoInterpolateVec4f.h>
#include <Inventor/engines/SoInterpolateRotation.h>
#endif // !COIN_INTERNAL


#endif // !COIN_SOINTERPOLATE_H
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