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00020 #ifndef COIN_SOINTERPOLATE_H
00021 #define COIN_SOINTERPOLATE_H
00022
00023
00024 #include <Inventor/engines/SoSubEngine.h>
00025 #include <Inventor/engines/SoEngineOutput.h>
00026 #include <Inventor/fields/SoSFFloat.h>
00027
00028 class COIN_DLL_API SoInterpolate : public SoEngine {
00029 typedef SoEngine inherited;
00030 SO_ENGINE_ABSTRACT_HEADER(SoInterpolate);
00031
00032 public:
00033 static void initClass(void);
00034 static void initClasses(void);
00035
00036 SoSFFloat alpha;
00037 SoEngineOutput output;
00038
00039 protected:
00040 SoInterpolate();
00041 virtual ~SoInterpolate();
00042 };
00043
00044
00045
00047
00048
00049 #define SO_INTERPOLATE_HEADER(_class_) \
00050 SO_ENGINE_HEADER(_class_); \
00051 public: \
00052 _class_(); \
00053 static void initClass(); \
00054 protected: \
00055 virtual ~_class_(); \
00056 private: \
00057 virtual void evaluate()
00058
00059
00060 #define PRIVATE_SO_INTERPOLATE_CONSTRUCTOR(_class_, _type_, _valtype_, _default0_, _default1_) \
00061 SO_ENGINE_CONSTRUCTOR(_class_); \
00062 SO_ENGINE_ADD_INPUT(alpha, (0.0f)); \
00063 SO_ENGINE_ADD_INPUT(input0, _default0_); \
00064 SO_ENGINE_ADD_INPUT(input1, _default1_); \
00065 SO_ENGINE_ADD_OUTPUT(output, _type_)
00066
00067 #define PRIVATE_SO_INTERPOLATE_DESTRUCTOR(_class_) \
00068 _class_::~_class_() \
00069 { \
00070 }
00071
00072 #define PRIVATE_SO_INTERPOLATE_EVALUATE(_class_, _type_, _valtype_, _interpexp_) \
00073 void \
00074 _class_::evaluate(void) \
00075 { \
00076 int n0 = this->input0.getNum(); \
00077 int n1 = this->input1.getNum(); \
00078 float a = this->alpha.getValue(); \
00079 for (int i = SbMax(n0, n1) - 1; i >= 0; i--) { \
00080 _valtype_ v0 = this->input0[SbMin(i, n0-1)]; \
00081 _valtype_ v1 = this->input1[SbMin(i, n1-1)]; \
00082 SO_ENGINE_OUTPUT(output, _type_, set1Value(i, _interpexp_)); \
00083 } \
00084 }
00085
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00100
00101 #define SO_INTERPOLATE_SOURCE(_class_, _type_, _valtype_, _default0_, _default1_, _interpexp_) \
00102 \
00103 SO_ENGINE_SOURCE(_class_); \
00104 \
00105 _class_::_class_(void) \
00106 { \
00107 PRIVATE_SO_INTERPOLATE_CONSTRUCTOR(_class_, _type_, _valtype_, _default0_, _default1_); \
00108 this->isBuiltIn = FALSE; \
00109 } \
00110 \
00111 PRIVATE_SO_INTERPOLATE_DESTRUCTOR(_class_) \
00112 PRIVATE_SO_INTERPOLATE_EVALUATE(_class_, _type_, _valtype_, _interpexp_)
00113
00114
00115 #define SO_INTERPOLATE_INITCLASS(_class_, _classname_) \
00116 \
00117 void \
00118 _class_::initClass(void) \
00119 { \
00120 SO_ENGINE_INIT_CLASS(_class_, SoInterpolate, "SoInterpolate"); \
00121 }
00122
00123
00125
00126
00127 #ifndef COIN_INTERNAL
00128
00129 #include <Inventor/engines/SoInterpolateFloat.h>
00130 #include <Inventor/engines/SoInterpolateVec2f.h>
00131 #include <Inventor/engines/SoInterpolateVec3f.h>
00132 #include <Inventor/engines/SoInterpolateVec4f.h>
00133 #include <Inventor/engines/SoInterpolateRotation.h>
00134 #endif // !COIN_INTERNAL
00135
00136
00137 #endif // !COIN_SOINTERPOLATE_H