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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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) 2009 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/gpencil/gpencil_intern.h
* \ingroup edgpencil
*/
#ifndef __GPENCIL_INTERN_H__
#define __GPENCIL_INTERN_H__
#include "DNA_vec_types.h"
/* internal exports only */
struct bGPdata;
struct bGPDstroke;
struct bGPDspoint;
struct ARegion;
struct View2D;
struct wmOperatorType;
/* ***************************************************** */
/* Internal API */
/* Stroke Coordinates API ------------------------------ */
/* gpencil_utils.c */
typedef struct GP_SpaceConversion {
struct bGPdata *gpd;
struct bGPDlayer *gpl;
struct ScrArea *sa;
struct ARegion *ar;
struct View2D *v2d;
rctf *subrect; /* for using the camera rect within the 3d view */
rctf subrect_data;
float mat[4][4]; /* transform matrix on the strokes (introduced in [b770964]) */
} GP_SpaceConversion;
/**
* Check whether a given stroke segment is inside a circular brush
*
* \param mval The current screen-space coordinates (midpoint) of the brush
* \param mvalo The previous screen-space coordinates (midpoint) of the brush (NOT CURRENTLY USED)
* \param rad The radius of the brush
*
* \param x0, y0 The screen-space x and y coordinates of the start of the stroke segment
* \param x1, y1 The screen-space x and y coordinates of the end of the stroke segment
*/
bool gp_stroke_inside_circle(const int mval[2], const int UNUSED(mvalo[2]),
int rad, int x0, int y0, int x1, int y1);
/**
* Init settings for stroke point space conversions
*
* \param[out] r_gsc The space conversion settings struct, populated with necessary params
*/
void gp_point_conversion_init(struct bContext *C, GP_SpaceConversion *r_gsc);
/**
* Convert a Grease Pencil coordinate (i.e. can be 2D or 3D) to screenspace (2D)
*
* \param[out] r_x The screen-space x-coordinate of the point
* \param[out] r_y The screen-space y-coordinate of the point
*/
void gp_point_to_xy(GP_SpaceConversion *settings, struct bGPDstroke *gps, struct bGPDspoint *pt,
int *r_x, int *r_y);
/* ***************************************************** */
/* Operator Defines */
/* drawing ---------- */
void GPENCIL_OT_draw(struct wmOperatorType *ot);
/* Paint Modes for operator*/
typedef enum eGPencil_PaintModes {
GP_PAINTMODE_DRAW = 0,
GP_PAINTMODE_ERASER,
GP_PAINTMODE_DRAW_STRAIGHT,
GP_PAINTMODE_DRAW_POLY
} eGPencil_PaintModes;
/* stroke editing ----- */
void GPENCIL_OT_select(struct wmOperatorType *ot);
void GPENCIL_OT_select_all(struct wmOperatorType *ot);
void GPENCIL_OT_select_circle(struct wmOperatorType *ot);
void GPENCIL_OT_select_border(struct wmOperatorType *ot);
void GPENCIL_OT_select_lasso(struct wmOperatorType *ot);
void GPENCIL_OT_select_linked(struct wmOperatorType *ot);
void GPENCIL_OT_select_more(struct wmOperatorType *ot);
void GPENCIL_OT_select_less(struct wmOperatorType *ot);
void GPENCIL_OT_duplicate(struct wmOperatorType *ot);
void GPENCIL_OT_delete(struct wmOperatorType *ot);
void GPENCIL_OT_copy(struct wmOperatorType *ot);
void GPENCIL_OT_paste(struct wmOperatorType *ot);
/* buttons editing --- */
void GPENCIL_OT_data_add(struct wmOperatorType *ot);
void GPENCIL_OT_data_unlink(struct wmOperatorType *ot);
void GPENCIL_OT_layer_add(struct wmOperatorType *ot);
void GPENCIL_OT_layer_remove(struct wmOperatorType *ot);
void GPENCIL_OT_layer_move(struct wmOperatorType *ot);
void GPENCIL_OT_layer_duplicate(struct wmOperatorType *ot);
void GPENCIL_OT_active_frame_delete(struct wmOperatorType *ot);
void GPENCIL_OT_convert(struct wmOperatorType *ot);
/* undo stack ---------- */
void gpencil_undo_init(struct bGPdata *gpd);
void gpencil_undo_push(struct bGPdata *gpd);
void gpencil_undo_finish(void);
/******************************************************* */
/* FILTERED ACTION DATA - TYPES ---> XXX DEPRECEATED OLD ANIM SYSTEM CODE! */
/* XXX - TODO: replace this with the modern bAnimListElem... */
/* This struct defines a structure used for quick access */
typedef struct bActListElem {
struct bActListElem *next, *prev;
void *data; /* source data this elem represents */
int type; /* one of the ACTTYPE_* values */
int flag; /* copy of elem's flags for quick access */
int index; /* copy of adrcode where applicable */
void *key_data; /* motion data - ipo or ipo-curve */
short datatype; /* type of motion data to expect */
struct bActionGroup *grp; /* action group that owns the channel */
void *owner; /* will either be an action channel or fake ipo-channel (for keys) */
short ownertype; /* type of owner */
} bActListElem;
/******************************************************* */
/* FILTER ACTION DATA - METHODS/TYPES */
/* filtering flags - under what circumstances should a channel be added */
typedef enum ACTFILTER_FLAGS {
ACTFILTER_VISIBLE = (1 << 0), /* should channels be visible */
ACTFILTER_SEL = (1 << 1), /* should channels be selected */
ACTFILTER_FOREDIT = (1 << 2), /* does editable status matter */
ACTFILTER_CHANNELS = (1 << 3), /* do we only care that it is a channel */
ACTFILTER_IPOKEYS = (1 << 4), /* only channels referencing ipo's */
ACTFILTER_ONLYICU = (1 << 5), /* only reference ipo-curves */
ACTFILTER_FORDRAWING = (1 << 6), /* make list for interface drawing */
ACTFILTER_ACTGROUPED = (1 << 7) /* belongs to the active group */
} ACTFILTER_FLAGS;
/* Action Editor - Main Data types */
typedef enum ACTCONT_TYPES {
ACTCONT_NONE = 0,
ACTCONT_ACTION,
ACTCONT_SHAPEKEY,
ACTCONT_GPENCIL
} ACTCONT_TYPES;
#endif /* __GPENCIL_INTERN_H__ */
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