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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
/** \file
* \ingroup bli
*/
#ifdef __cplusplus
extern "C" {
#endif
struct Object;
struct ProjCameraInfo;
/**
* Create UV info from the camera, needs to be freed.
*
* \param rotmat: can be `obedit->obmat` when uv project is used.
* \param winx, winy: can be from `scene->r.xsch / ysch`.
*/
struct ProjCameraInfo *BLI_uvproject_camera_info(struct Object *ob,
float rotmat[4][4],
float winx,
float winy);
/**
* Apply UV from uvinfo (camera).
*/
void BLI_uvproject_from_camera(float target[2], float source[3], struct ProjCameraInfo *uci);
/**
* Apply uv from perspective matrix.
* \param persmat: Can be `rv3d->persmat`.
*/
void BLI_uvproject_from_view(float target[2],
float source[3],
float persmat[4][4],
float rotmat[4][4],
float winx,
float winy);
/**
* Apply orthographic UV's.
*/
void BLI_uvproject_from_view_ortho(float target[2], float source[3], const float rotmat[4][4]);
/**
* So we can adjust scale with keeping the struct private.
*/
void BLI_uvproject_camera_info_scale(struct ProjCameraInfo *uci, float scale_x, float scale_y);
#ifdef __cplusplus
}
#endif
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