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00024 #if defined(_MSC_VER)
00025 #pragma once
00026 #endif
00027
00028 #ifndef PBRT_CAMERAS_ORTHOGRAPHIC_H
00029 #define PBRT_CAMERAS_ORTHOGRAPHIC_H
00030
00031
00032 #include "pbrt.h"
00033 #include "camera.h"
00034 #include "film.h"
00035
00036
00037 class OrthoCamera : public ProjectiveCamera {
00038 public:
00039
00040 OrthoCamera(const AnimatedTransform &cam2world, const float screenWindow[4],
00041 float sopen, float sclose, float lensr, float focald, Film *film);
00042 float GenerateRay(const CameraSample &sample, Ray *) const;
00043 float GenerateRayDifferential(const CameraSample &sample, RayDifferential *) const;
00044 private:
00045
00046 Vector dxCamera, dyCamera;
00047 };
00048
00049
00050 OrthoCamera *CreateOrthographicCamera(const ParamSet ¶ms,
00051 const AnimatedTransform &cam2world, Film *film);
00052
00053 #endif // PBRT_CAMERAS_ORTHOGRAPHIC_H