57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
/* SPDX-FileCopyrightText: 2023 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bli
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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 Object;
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struct ProjCameraInfo;
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/**
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* Create UV info from the camera, needs to be freed.
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*
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* \param rotmat: can be `obedit->object_to_world().ptr()` when uv project is used.
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* \param winx, winy: can be from `scene->r.xsch / ysch`.
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*/
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struct ProjCameraInfo *BLI_uvproject_camera_info(const struct Object *ob,
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const float rotmat[4][4],
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float winx,
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float winy);
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/**
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* Apply UV from #ProjCameraInfo (camera).
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*/
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void BLI_uvproject_from_camera(float target[2], float source[3], struct ProjCameraInfo *uci);
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/**
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* Apply uv from perspective matrix.
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* \param persmat: Can be `rv3d->persmat`.
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*/
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void BLI_uvproject_from_view(float target[2],
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float source[3],
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float persmat[4][4],
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float rotmat[4][4],
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float winx,
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float winy);
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/**
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* Apply orthographic UVs.
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*/
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void BLI_uvproject_from_view_ortho(float target[2], float source[3], const float rotmat[4][4]);
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/**
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* So we can adjust scale with keeping the struct private.
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*/
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void BLI_uvproject_camera_info_scale(struct ProjCameraInfo *uci, float scale_x, float scale_y);
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#ifdef __cplusplus
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}
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#endif
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