tornavis/source/blender/blenkernel/BKE_gpencil_curve.h

99 lines
3.7 KiB
C

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2008, Blender Foundation
* This is a new part of Blender
*/
#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,
const bool use_collections,
const float scale_thickness,
const 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,
const float error_threshold,
const float corner_angle,
const 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,
const uint resolution,
const 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, const int cuts);
#ifdef __cplusplus
}
#endif