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00024 #include "camera.h"
00025
00026 namespace lux
00027 {
00028
00029
00030 class OrthoCamera : public ProjectiveCamera {
00031 public:
00032
00033 OrthoCamera(const Transform &world2camStart, const Transform &world2camEnd,
00034 const float Screen[4],
00035 float hither, float yon,
00036 float sopen, float sclose, int sdist,
00037 float lensr, float focald, bool autofocus, Film *film);
00038 virtual ~OrthoCamera() { }
00039 virtual float GenerateRay(const Sample &sample, Ray *) const;
00040 virtual bool Sample_W(const TsPack *tspack, const Scene *scene, float u1, float u2, float u3, BSDF **bsdf, float *pdf, SWCSpectrum *We) const;
00041 virtual bool Sample_W(const TsPack *tspack, const Scene *scene, const Point &p, const Normal &n, float u1, float u2, float u3, BSDF **bsdf, float *pdf, float *pdfDirect, VisibilityTester *visibility, SWCSpectrum *We) const;
00042 virtual bool GetSamplePosition(const Point &p, const Vector &wi, float distance, float *x, float *y) const;
00043 virtual void ClampRay(Ray &ray) const;
00044 virtual bool IsDelta() const { return false; }
00045 virtual bool IsLensBased() const { return false; }
00046 virtual BBox Bounds() const;
00047 virtual void AutoFocus(Scene* scene);
00048
00049 virtual OrthoCamera* Clone() const { return new OrthoCamera(*this); }
00050
00051 static Camera *CreateCamera(const Transform &world2camStart, const Transform &world2camEnd, const ParamSet ¶ms, Film *film);
00052
00053 private:
00054
00055 bool autoFocus;
00056
00057 float screenDx,screenDy, posPdf;
00058 Normal normal;
00059 Transform RasterToCameraBidir, WorldToRasterBidir;
00060 };
00061
00062 }