24 #ifndef COIN_SOINTERPOLATE_H 
   25 #define COIN_SOINTERPOLATE_H 
   28 #include <Inventor/engines/SoSubEngine.h> 
   29 #include <Inventor/engines/SoEngineOutput.h> 
   30 #include <Inventor/fields/SoSFFloat.h> 
   37   static void initClass(
void);
 
   53 #define SO_INTERPOLATE_HEADER(_class_) \ 
   54   SO_ENGINE_HEADER(_class_); \ 
   57     static void initClass(); \ 
   61     virtual void evaluate() 
   64 #define PRIVATE_SO_INTERPOLATE_CONSTRUCTOR(_class_, _type_, _valtype_, _default0_, _default1_) \ 
   65   SO_ENGINE_CONSTRUCTOR(_class_); \ 
   66   SO_ENGINE_ADD_INPUT(alpha, (0.0f)); \ 
   67   SO_ENGINE_ADD_INPUT(input0, _default0_); \ 
   68   SO_ENGINE_ADD_INPUT(input1, _default1_); \ 
   69   SO_ENGINE_ADD_OUTPUT(output, _type_) 
   71 #define PRIVATE_SO_INTERPOLATE_DESTRUCTOR(_class_) \ 
   76 #define PRIVATE_SO_INTERPOLATE_EVALUATE(_class_, _type_, _valtype_, _interpexp_) \ 
   78 _class_::evaluate(void) \ 
   80   int n0 = this->input0.getNum(); \ 
   81   int n1 = this->input1.getNum(); \ 
   82   float a = this->alpha.getValue(); \ 
   83   for (int i = SbMax(n0, n1) - 1; i >= 0; i--) { \ 
   84     _valtype_ v0 = this->input0[SbMin(i, n0-1)]; \ 
   85     _valtype_ v1 = this->input1[SbMin(i, n1-1)]; \ 
   86     SO_ENGINE_OUTPUT(output, _type_, set1Value(i, _interpexp_)); \ 
  105 #define SO_INTERPOLATE_SOURCE(_class_, _type_, _valtype_, _default0_, _default1_, _interpexp_) \ 
  107 SO_ENGINE_SOURCE(_class_); \ 
  109 _class_::_class_(void) \ 
  111   PRIVATE_SO_INTERPOLATE_CONSTRUCTOR(_class_, _type_, _valtype_, _default0_, _default1_); \ 
  112   this->isBuiltIn = FALSE; \ 
  115 PRIVATE_SO_INTERPOLATE_DESTRUCTOR(_class_) \ 
  116 PRIVATE_SO_INTERPOLATE_EVALUATE(_class_, _type_, _valtype_, _interpexp_) 
  119 #define SO_INTERPOLATE_INITCLASS(_class_, _classname_) \ 
  122 _class_::initClass(void) \ 
  124   SO_ENGINE_INIT_CLASS(_class_, SoInterpolate, "SoInterpolate"); \ 
  131 #ifndef COIN_INTERNAL 
  133 #include <Inventor/engines/SoInterpolateFloat.h> 
  134 #include <Inventor/engines/SoInterpolateVec2f.h> 
  135 #include <Inventor/engines/SoInterpolateVec3f.h> 
  136 #include <Inventor/engines/SoInterpolateVec4f.h> 
  137 #include <Inventor/engines/SoInterpolateRotation.h> 
  138 #endif // !COIN_INTERNAL 
  141 #endif // !COIN_SOINTERPOLATE_H 
The SoInterpolate class is the base class for all interpolator engines.Interpolators are used to line...
Definition: SoInterpolate.h:32
SoEngine is the base class for Coin engines.Engines enables the application programmers to make compl...
Definition: SoEngine.h:34
The SoFieldContainer class is a base class for all classes that contain fields.The classes containing...
Definition: SoFieldContainer.h:34
SoEngineOutput output
Definition: SoInterpolate.h:41
SoSFFloat alpha
Definition: SoInterpolate.h:40
static void initClasses(void)
Definition: SoEngine.cpp:163
The SoEngineOutput class is the output slots in SoEngine instances.SoEngineOutput has methods for con...
Definition: SoEngineOutput.h:36
The SoSFFloat class is a container for a floating point value.This field is used where nodes...
Definition: SoSFFloat.h:30