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00024 #if defined(_MSC_VER)
00025 #pragma once
00026 #endif
00027
00028 #ifndef PBRT_CORE_CAMERA_H
00029 #define PBRT_CORE_CAMERA_H
00030
00031
00032 #include "pbrt.h"
00033 #include "geometry.h"
00034 #include "transform.h"
00035
00036
00037 class Camera {
00038 public:
00039
00040 Camera(const AnimatedTransform &cam2world, float sopen, float sclose,
00041 Film *film);
00042 virtual ~Camera();
00043 virtual float GenerateRay(const CameraSample &sample,
00044 Ray *ray) const = 0;
00045 virtual float GenerateRayDifferential(const CameraSample &sample, RayDifferential *rd) const;
00046
00047
00048 AnimatedTransform CameraToWorld;
00049 const float shutterOpen, shutterClose;
00050 Film *film;
00051 };
00052
00053
00054 class ProjectiveCamera : public Camera {
00055 public:
00056
00057 ProjectiveCamera(const AnimatedTransform &cam2world,
00058 const Transform &proj, const float screenWindow[4],
00059 float sopen, float sclose, float lensr, float focald, Film *film);
00060 protected:
00061
00062 Transform CameraToScreen, RasterToCamera;
00063 Transform ScreenToRaster, RasterToScreen;
00064 float lensRadius, focalDistance;
00065 };
00066
00067
00068
00069 #endif // PBRT_CORE_CAMERA_H