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00020 #ifndef COIN_SOANTISQUISH_H
00021 #define COIN_SOANTISQUISH_H
00022
00023 #include <Inventor/nodes/SoSubNode.h>
00024 #include <Inventor/nodes/SoTransformation.h>
00025 #include <Inventor/fields/SoSFEnum.h>
00026 #include <Inventor/fields/SoSFBool.h>
00027 #include <Inventor/SbMatrix.h>
00028
00029
00030 class COIN_DLL_API SoAntiSquish : public SoTransformation {
00031 typedef SoTransformation inherited;
00032
00033 SO_NODE_HEADER(SoAntiSquish);
00034
00035 public:
00036 static void initClass(void);
00037 SoAntiSquish(void);
00038
00039 enum Sizing {
00040 X, Y, Z, AVERAGE_DIMENSION, BIGGEST_DIMENSION, SMALLEST_DIMENSION,
00041 LONGEST_DIAGONAL
00042 };
00043
00044 SoSFEnum sizing;
00045 SoSFBool recalcAlways;
00046
00047 void recalc(void);
00048 virtual void doAction(SoAction * action);
00049
00050 protected:
00051 virtual ~SoAntiSquish();
00052
00053 virtual void callback(SoCallbackAction * action);
00054 virtual void GLRender(SoGLRenderAction * action);
00055 virtual void getBoundingBox(SoGetBoundingBoxAction * action);
00056 virtual void getMatrix(SoGetMatrixAction * action);
00057 virtual void pick(SoPickAction * action);
00058
00059 SbMatrix getUnsquishingMatrix(const SbMatrix & squishedmatrix,
00060 const SbBool calcinverse,
00061 SbMatrix & getinverse);
00062 private:
00063 SbMatrix unsquishedmatrix, inversematrix;
00064 SbBool matrixvalid, inversevalid;
00065 };
00066
00067 #endif // !COIN_SOANTISQUISH_H