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/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __CAMERA_H__
#define __CAMERA_H__
#include "kernel_types.h"
#include "util_boundbox.h"
#include "util_transform.h"
#include "util_types.h"
CCL_NAMESPACE_BEGIN
class Device;
class DeviceScene;
class Scene;
/* Camera
*
* The camera parameters are quite standard, tested to be both compatible with
* Renderman, and Blender after remapping. */
class Camera {
public:
/* motion blur */
float shuttertime;
/* depth of field */
float focaldistance;
float aperturesize;
uint blades;
float bladesrotation;
/* type */
CameraType type;
float fov;
/* panorama */
PanoramaType panorama_type;
float fisheye_fov;
float fisheye_lens;
float latitude_min;
float latitude_max;
float longitude_min;
float longitude_max;
/* anamorphic lens bokeh */
float aperture_ratio;
/* sensor */
float sensorwidth;
float sensorheight;
/* clipping */
float nearclip;
float farclip;
/* screen */
int width, height;
int resolution;
BoundBox2D viewplane;
/* border */
BoundBox2D border;
BoundBox2D viewport_camera_border;
/* transformation */
Transform matrix;
/* motion */
MotionTransform motion;
bool use_motion;
/* computed camera parameters */
Transform screentoworld;
Transform rastertoworld;
Transform ndctoworld;
Transform cameratoworld;
Transform worldtoraster;
Transform worldtoscreen;
Transform worldtondc;
Transform worldtocamera;
Transform rastertocamera;
Transform cameratoraster;
float3 dx;
float3 dy;
/* update */
bool need_update;
bool need_device_update;
int previous_need_motion;
/* functions */
Camera();
~Camera();
void compute_auto_viewplane();
void update();
void device_update(Device *device, DeviceScene *dscene, Scene *scene);
void device_update_volume(Device *device, DeviceScene *dscene, Scene *scene);
void device_free(Device *device, DeviceScene *dscene);
bool modified(const Camera& cam);
bool motion_modified(const Camera& cam);
void tag_update();
BoundBox viewplane_bounds_get();
float3 transform_raster_to_world(float raster_x, float raster_y);
Transform transform_from_viewplane(BoundBox2D &viewplane);
};
CCL_NAMESPACE_END
#endif /* __CAMERA_H__ */
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