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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup edtransform
*/
#pragma once
struct TransInfo;
void constraintNumInput(TransInfo *t, float vec[3]);
/**
* Snap to the nearest point on the axis to the edge/line element.
*/
void transform_constraint_snap_axis_to_edge(const TransInfo *t,
const float axis[3],
float r_out[3]);
/**
* Snap to the intersection of the axis and the plane defined by the face.
*/
void transform_constraint_snap_axis_to_face(const TransInfo *t,
const float axis[3],
float r_out[3]);
void setConstraint(TransInfo *t, int mode, const char text[]);
/**
* Applies individual `td->axismtx` constraints.
*/
void setAxisMatrixConstraint(TransInfo *t, int mode, const char text[]);
void setLocalConstraint(TransInfo *t, int mode, const char text[]);
/**
* Set the constraint according to the user defined orientation
*
* `ftext` is a format string passed to #BLI_snprintf. It will add the name of
* the orientation where %s is (logically).
*/
void setUserConstraint(TransInfo *t, int mode, const char text_[]);
void drawConstraint(TransInfo *t);
/**
* Called from drawview.c, as an extra per-window draw option.
*/
void drawPropCircle(const struct bContext *C, TransInfo *t);
void startConstraint(TransInfo *t);
void stopConstraint(TransInfo *t);
void initSelectConstraint(TransInfo *t);
void selectConstraint(TransInfo *t);
void postSelectConstraint(TransInfo *t);
void setNearestAxis(TransInfo *t);
int constraintModeToIndex(const TransInfo *t);
char constraintModeToChar(const TransInfo *t);
bool isLockConstraint(const TransInfo *t);
/**
* Returns the dimension of the constraint space.
*
* For that reason, the flags always needs to be set to properly evaluate here,
* even if they aren't actually used in the callback function.
* (Which could happen for weird constraints not yet designed. Along a path for example.)
*/
int getConstraintSpaceDimension(const TransInfo *t);
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