gpencil_intern.hh

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/* SPDX-FileCopyrightText: 2009 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "DNA_vec_types.h"
 
#include "ED_numinput.hh"
 
#define DEPTH_INVALID 1.0f
 
/* internal exports only */
struct Material;
struct bGPDspoint;
struct bGPDstroke;
struct bGPdata;
struct tGPspoint;
 
struct GHash;
struct RNG;
 
struct ARegion;
struct Brush;
struct Scene;
struct View2D;
struct View3D;
struct ViewDepths;
struct wmOperatorType;
struct wmWindow;
 
struct Depsgraph;
 
struct EnumPropertyItem;
struct PointerRNA;
struct PropertyRNA;
 
/* ***************************************************** */
/* Internal API */
 
/* Stroke Coordinates API ------------------------------ */
/* `gpencil_utils.cc` */
 
struct GP_SpaceConversion {
  Scene *scene;
  Object *ob;
  bGPdata *gpd;
  bGPDlayer *gpl;
 
  ScrArea *area;
  ARegion *region;
  View2D *v2d;
 
  const 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]) */
};
 
bool gpencil_stroke_inside_circle(const float mval[2], int rad, int x0, int y0, int x1, int y1);
 
void gpencil_point_to_xy(const GP_SpaceConversion *gsc,
                         const bGPDstroke *gps,
                         const bGPDspoint *pt,
                         int *r_x,
                         int *r_y);
 
/* Copy/Paste Buffer --------------------------------- */
/* `gpencil_edit.cc` */
 
extern ListBase gpencil_strokes_copypastebuf;
 
/* ***************************************************** */
/* Operator Defines */
 
/* annotations ------ */
 
void GPENCIL_OT_annotate(wmOperatorType *ot);
void GPENCIL_OT_annotation_add(wmOperatorType *ot);
void GPENCIL_OT_data_unlink(wmOperatorType *ot);
void GPENCIL_OT_layer_annotation_add(wmOperatorType *ot);
void GPENCIL_OT_layer_annotation_remove(wmOperatorType *ot);
void GPENCIL_OT_layer_annotation_move(wmOperatorType *ot);
void GPENCIL_OT_annotation_active_frame_delete(wmOperatorType *ot);
 
/* Paint Modes for operator */
enum eGPencil_PaintModes {
  GP_PAINTMODE_DRAW = 0,
  GP_PAINTMODE_ERASER,
  GP_PAINTMODE_DRAW_STRAIGHT,
  GP_PAINTMODE_DRAW_POLY,
  GP_PAINTMODE_SET_CP,
};
 
/* chunk size for gp-session buffer (the total size is a multiple of this number) */
#define GP_STROKE_BUFFER_CHUNK 2048
 
/* undo stack ---------- */
 
void gpencil_undo_init(bGPdata *gpd);
void gpencil_undo_push(bGPdata *gpd);
void gpencil_undo_finish();