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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2008 Blender Foundation. */
#pragma once
/** \file
* \ingroup bke
*/
#ifdef __cplusplus
extern "C" {
#endif
struct Main;
struct Object;
struct Scene;
struct bGPDcurve;
struct bGPDlayer;
struct bGPDstroke;
struct bGPdata;
/**
* Convert a curve object to grease pencil stroke.
*
* \param bmain: Main thread pointer
* \param scene: Original scene.
* \param ob_gp: Grease pencil object to add strokes.
* \param ob_cu: Curve to convert.
* \param use_collections: Create layers using collection names.
* \param scale_thickness: Scale thickness factor.
* \param sample: Sample distance, zero to disable.
*/
void BKE_gpencil_convert_curve(struct Main *bmain,
struct Scene *scene,
struct Object *ob_gp,
struct Object *ob_cu,
bool use_collections,
float scale_thickness,
float sample);
/**
* Creates a bGPDcurve by doing a cubic curve fitting on the grease pencil stroke points.
*/
struct bGPDcurve *BKE_gpencil_stroke_editcurve_generate(struct bGPDstroke *gps,
float error_threshold,
float corner_angle,
float stroke_radius);
/**
* Updates the edit-curve for a stroke. Frees the old curve if one exists and generates a new one.
*/
void BKE_gpencil_stroke_editcurve_update(struct bGPdata *gpd,
struct bGPDlayer *gpl,
struct bGPDstroke *gps);
/**
* Sync the selection from stroke to edit-curve.
*/
void BKE_gpencil_editcurve_stroke_sync_selection(struct bGPdata *gpd,
struct bGPDstroke *gps,
struct bGPDcurve *gpc);
/**
* Sync the selection from edit-curve to stroke.
*/
void BKE_gpencil_stroke_editcurve_sync_selection(struct bGPdata *gpd,
struct bGPDstroke *gps,
struct bGPDcurve *gpc);
void BKE_gpencil_strokes_selected_update_editcurve(struct bGPdata *gpd);
void BKE_gpencil_strokes_selected_sync_selection_editcurve(struct bGPdata *gpd);
/**
* Recalculate stroke points with the edit-curve of the stroke.
*/
void BKE_gpencil_stroke_update_geometry_from_editcurve(struct bGPDstroke *gps,
uint resolution,
bool is_adaptive);
/**
* Recalculate the handles of the edit curve of a grease pencil stroke.
*/
void BKE_gpencil_editcurve_recalculate_handles(struct bGPDstroke *gps);
void BKE_gpencil_editcurve_subdivide(struct bGPDstroke *gps, int cuts);
#ifdef __cplusplus
}
#endif
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