Rendering/vtkLight.h Source File

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# Rendering/vtkLight.h

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    00001 /*=========================================================================
    00002
    00003   Program:   Visualization Toolkit
    00004   Module:    $RCSfile: vtkLight.h,v $
    00005   Language:  C++
    00006
    00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen
    00008   All rights reserved.
    00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
    00010
    00011      This software is distributed WITHOUT ANY WARRANTY; without even
    00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    00013      PURPOSE.  See the above copyright notice for more information.
    00014
    00015 =========================================================================*/
    00062 #ifndef __vtkLight_h
    00063 #define __vtkLight_h
    00064
    00065 #include "vtkObject.h"
    00066
    00067 /* need for virtual function */
    00068 class vtkRenderer;
    00069 class vtkMatrix4x4;
    00070
    00071 #define VTK_LIGHT_TYPE_HEADLIGHT    1
    00072 #define VTK_LIGHT_TYPE_CAMERA_LIGHT 2
    00073 #define VTK_LIGHT_TYPE_SCENE_LIGHT  3
    00074
    00075 class VTK_RENDERING_EXPORT vtkLight : public vtkObject
    00076 {
    00077 public:
    00078   vtkTypeRevisionMacro(vtkLight,vtkObject);
    00079   void PrintSelf(ostream& os, vtkIndent indent);
    00080
    00084   static vtkLight *New();
    00085
    00090   virtual void Render(vtkRenderer *, int) {};
    00091
    00093
    00094   vtkSetVector3Macro(Color,float);
    00095   vtkGetVectorMacro(Color,float,3);
    00097
    00099
    00103   vtkSetVector3Macro(Position,float);
    00104   vtkGetVectorMacro(Position,float,3);
    00105   void SetPosition(double *a) {this->SetPosition(
    00106     static_cast<float>(a[0]),
    00107     static_cast<float>(a[1]),
    00108     static_cast<float>(a[2]));};
    00110
    00112
    00117   vtkSetVector3Macro(FocalPoint,float);
    00118   vtkGetVectorMacro(FocalPoint,float,3);
    00119   void SetFocalPoint(double *a) {this->SetFocalPoint(
    00120     static_cast<float>(a[0]),
    00121     static_cast<float>(a[1]),
    00122     static_cast<float>(a[2]));};
    00124
    00126
    00127   vtkSetMacro(Intensity,float);
    00128   vtkGetMacro(Intensity,float);
    00130
    00132
    00133   vtkSetMacro(Switch,int);
    00134   vtkGetMacro(Switch,int);
    00135   vtkBooleanMacro(Switch,int);
    00137
    00139
    00140   vtkSetMacro(Positional,int);
    00141   vtkGetMacro(Positional,int);
    00142   vtkBooleanMacro(Positional,int);
    00144
    00146
    00147   vtkSetMacro(Exponent,float);
    00148   vtkGetMacro(Exponent,float);
    00150
    00152
    00155   vtkSetMacro(ConeAngle,float);
    00156   vtkGetMacro(ConeAngle,float);
    00158
    00160
    00162   vtkSetVector3Macro(AttenuationValues,float);
    00163   vtkGetVectorMacro(AttenuationValues,float,3);
    00165
    00167
    00170   virtual void SetTransformMatrix(vtkMatrix4x4*);
    00171   vtkGetObjectMacro(TransformMatrix,vtkMatrix4x4);
    00173
    00175
    00177   void GetTransformedPosition(float &a0, float &a1, float &a2);
    00178   void GetTransformedPosition(float a[3]);
    00179   float *GetTransformedPosition();
    00181
    00183
    00185   void GetTransformedFocalPoint(float &a0, float &a1, float &a2);
    00186   void GetTransformedFocalPoint(float a[3]);
    00187   float *GetTransformedFocalPoint();
    00189
    00191
    00195   void SetDirectionAngle(float elevation, float azimuth);
    00196   void SetDirectionAngle(float ang[2]) { this->SetDirectionAngle(ang[0], ang[1]); };
    00198
    00200   void DeepCopy(vtkLight *light);
    00201
    00203
    00214   vtkSetMacro(LightType, int);
    00215   vtkGetMacro(LightType, int);
    00216   void SetLightTypeToHeadlight()
    00217     {this->SetLightType(VTK_LIGHT_TYPE_HEADLIGHT);}
    00218   void SetLightTypeToSceneLight()
    00219     {
    00220     this->SetTransformMatrix(NULL);
    00221     this->SetLightType(VTK_LIGHT_TYPE_SCENE_LIGHT);
    00222     }
    00223   void SetLightTypeToCameraLight()
    00224     {this->SetLightType(VTK_LIGHT_TYPE_CAMERA_LIGHT);}
    00226
    00228
    00229   int LightTypeIsHeadlight();
    00230   int LightTypeIsSceneLight();
    00231   int LightTypeIsCameraLight();
    00233
    00234   void ReadSelf(istream& is);
    00235   void WriteSelf(ostream& os);
    00236
    00237 protected:
    00238   vtkLight();
    00239   ~vtkLight();
    00240
    00241   float FocalPoint[3];
    00242   float Position[3];
    00243   float Intensity;
    00244   float Color[3];
    00245   int   Switch;
    00246   int   Positional;
    00247   float Exponent;
    00248   float ConeAngle;
    00249   float AttenuationValues[3];
    00250   vtkMatrix4x4 *TransformMatrix;
    00251   float TransformedFocalPointReturn[3];
    00252   float TransformedPositionReturn[3];
    00253   int LightType;
    00254 private:
    00255   vtkLight(const vtkLight&);  // Not implemented.
    00256   void operator=(const vtkLight&);  // Not implemented.
    00257 };
    00258
    00259 #endif