178 lines
6.5 KiB
C
178 lines
6.5 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*/
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#ifndef __BKE_CAMERA_H__
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#define __BKE_CAMERA_H__
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/** \file
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* \ingroup bke
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* \brief Camera datablock and utility functions.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct Camera;
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struct Depsgraph;
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struct Main;
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struct Object;
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struct RegionView3D;
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struct RenderData;
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struct Scene;
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struct View3D;
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struct rctf;
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/* Camera Datablock */
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void BKE_camera_init(struct Camera *cam);
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void *BKE_camera_add(struct Main *bmain, const char *name);
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void BKE_camera_copy_data(struct Main *bmain,
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struct Camera *cam_dst,
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const struct Camera *cam_src,
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const int flag);
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struct Camera *BKE_camera_copy(struct Main *bmain, const struct Camera *cam);
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void BKE_camera_make_local(struct Main *bmain, struct Camera *cam, const bool lib_local);
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void BKE_camera_free(struct Camera *ca);
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/* Camera Usage */
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float BKE_camera_object_dof_distance(struct Object *ob);
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int BKE_camera_sensor_fit(int sensor_fit, float sizex, float sizey);
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float BKE_camera_sensor_size(int sensor_fit, float sensor_x, float sensor_y);
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/* Camera Parameters:
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*
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* Intermediate struct for storing camera parameters from various sources,
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* to unify computation of viewplane, window matrix, ... */
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typedef struct CameraParams {
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/* lens */
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bool is_ortho;
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float lens;
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float ortho_scale;
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float zoom;
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float shiftx;
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float shifty;
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float offsetx;
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float offsety;
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/* sensor */
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float sensor_x;
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float sensor_y;
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int sensor_fit;
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/* clipping */
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float clip_start;
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float clip_end;
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/* computed viewplane */
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float ycor;
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float viewdx;
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float viewdy;
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rctf viewplane;
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/* computed matrix */
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float winmat[4][4];
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} CameraParams;
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/* values for CameraParams.zoom, need to be taken into account for some operations */
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#define CAMERA_PARAM_ZOOM_INIT_CAMOB 1.0f
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#define CAMERA_PARAM_ZOOM_INIT_PERSP 2.0f
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void BKE_camera_params_init(CameraParams *params);
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void BKE_camera_params_from_object(CameraParams *params, const struct Object *camera);
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void BKE_camera_params_from_view3d(CameraParams *params,
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struct Depsgraph *depsgraph,
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const struct View3D *v3d,
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const struct RegionView3D *rv3d);
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void BKE_camera_params_compute_viewplane(
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CameraParams *params, int winx, int winy, float aspx, float aspy);
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void BKE_camera_params_compute_matrix(CameraParams *params);
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/* Camera View Frame */
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void BKE_camera_view_frame_ex(const struct Scene *scene,
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const struct Camera *camera,
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const float drawsize,
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const bool do_clip,
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const float scale[3],
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float r_asp[2],
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float r_shift[2],
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float *r_drawsize,
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float r_vec[4][3]);
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void BKE_camera_view_frame(const struct Scene *scene,
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const struct Camera *camera,
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float r_vec[4][3]);
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bool BKE_camera_view_frame_fit_to_scene(struct Depsgraph *depsgraph,
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struct Scene *scene,
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struct Object *camera_ob,
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float r_co[3],
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float *r_scale);
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bool BKE_camera_view_frame_fit_to_coords(const struct Depsgraph *depsgraph,
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const float (*cos)[3],
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int num_cos,
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struct Object *camera_ob,
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float r_co[3],
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float *r_scale);
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/* Camera multi-view API */
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struct Object *BKE_camera_multiview_render(struct Scene *scene,
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struct Object *camera,
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const char *viewname);
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void BKE_camera_multiview_view_matrix(struct RenderData *rd,
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const struct Object *camera,
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const bool is_left,
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float r_viewmat[4][4]);
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void BKE_camera_multiview_model_matrix(struct RenderData *rd,
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const struct Object *camera,
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const char *viewname,
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float r_modelmat[4][4]);
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void BKE_camera_multiview_model_matrix_scaled(struct RenderData *rd,
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const struct Object *camera,
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const char *viewname,
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float r_modelmat[4][4]);
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void BKE_camera_multiview_window_matrix(struct RenderData *rd,
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const struct Object *camera,
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const char *viewname,
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float r_winmat[4][4]);
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float BKE_camera_multiview_shift_x(struct RenderData *rd,
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const struct Object *camera,
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const char *viewname);
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void BKE_camera_multiview_params(struct RenderData *rd,
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struct CameraParams *params,
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const struct Object *camera,
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const char *viewname);
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bool BKE_camera_multiview_spherical_stereo(struct RenderData *rd, const struct Object *camera);
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/* Camera background image API */
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struct CameraBGImage *BKE_camera_background_image_new(struct Camera *cam);
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void BKE_camera_background_image_remove(struct Camera *cam, struct CameraBGImage *bgpic);
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void BKE_camera_background_image_clear(struct Camera *cam);
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#ifdef __cplusplus
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}
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#endif
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#endif
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