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78 lines
1.2 KiB
C
78 lines
1.2 KiB
C
/*
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* Copyright (c) 1993-1995 by Argonaut Technologies Limited. All rights reserved.
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*
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* $Id: camera.h 1.4 1995/05/25 13:37:27 sam Exp $
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* $Locker: $
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*
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* Definitons for a camera
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*/
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#ifndef _CAMERA_H_
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#define _CAMERA_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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BR_CAMERA_PARALLEL,
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BR_CAMERA_PERSPECTIVE_FOV,
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BR_CAMERA_PERSPECTIVE_WHD
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};
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/*
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* Backwards compatibility
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*/
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#define BR_CAMERA_PERSPECTIVE BR_CAMERA_PERSPECTIVE_FOV
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typedef struct br_camera {
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/*
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* Optional identifier
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*/
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char *identifier;
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/*
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* Type of camera
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*/
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br_uint_8 type;
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/*
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* Field of view
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* (BR_CAMERA_PERSPECTIVE_FOV only)
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*/
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br_angle field_of_view;
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/*
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* Front and back of view volume in view coordinates
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*/
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br_scalar hither_z;
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br_scalar yon_z;
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/*
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* Aspect ratio of viewport
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* (BR_CAMERA_PERSPECTIVE_FOV only)
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*/
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br_scalar aspect;
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/*
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* Width and height of projection surface
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* (BR_CAMERA_PERSPECTIVE_WHD and BR_CAMERA_PARALLEL only)
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*/
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br_scalar width;
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br_scalar height;
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/*
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* Distance of projection plane from center of projection
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* (BR_CAMERA_PERSPECTIVE_WHD only)
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*/
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br_scalar distance;
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} br_camera;
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#ifdef __cplusplus
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};
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#endif
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#endif
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