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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) 2008, Blender Foundation.
* This is a new part of Blender
*
* Contributor(s): Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file DNA_gpencil_types.h
* \ingroup DNA
*/
#ifndef __DNA_GPENCIL_TYPES_H__
#define __DNA_GPENCIL_TYPES_H__
#include "DNA_listBase.h"
#include "DNA_ID.h"
/* Grease-Pencil Annotations - 'Stroke Point'
* -> Coordinates may either be 2d or 3d depending on settings at the time
* -> Coordinates of point on stroke, in proportions of window size
* This assumes that the bottom-left corner is (0,0)
*/
typedef struct bGPDspoint {
float x, y, z; /* co-ordinates of point (usually 2d, but can be 3d as well) */
float pressure; /* pressure of input device (from 0 to 1) at this point */
float time; /* seconds since start of stroke */
} bGPDspoint;
/* Grease-Pencil Annotations - 'Stroke'
* -> A stroke represents a (simplified version) of the curve
* drawn by the user in one 'mousedown'->'mouseup' operation
*/
typedef struct bGPDstroke {
struct bGPDstroke *next, *prev;
bGPDspoint *points; /* array of data-points for stroke */
void *pad; /* keep 4 pointers at the beginning, padding for 'inittime' is tricky 64/32bit */
int totpoints; /* number of data-points in array */
short thickness; /* thickness of stroke (currently not used) */
short flag; /* various settings about this stroke */
double inittime; /* Init time of stroke */
} bGPDstroke;
/* bGPDstroke->flag */
/* stroke is in 3d-space */
#define GP_STROKE_3DSPACE (1<<0)
/* stroke is in 2d-space */
#define GP_STROKE_2DSPACE (1<<1)
/* stroke is in 2d-space (but with special 'image' scaling) */
#define GP_STROKE_2DIMAGE (1<<2)
/* only for use with stroke-buffer (while drawing eraser) */
#define GP_STROKE_ERASER (1<<15)
/* Grease-Pencil Annotations - 'Frame'
* -> Acts as storage for the 'image' formed by strokes
*/
typedef struct bGPDframe {
struct bGPDframe *next, *prev;
ListBase strokes; /* list of the simplified 'strokes' that make up the frame's data */
int framenum; /* frame number of this frame */
int flag; /* temp settings */
} bGPDframe;
/* bGPDframe->flag */
/* frame is being painted on */
#define GP_FRAME_PAINT (1<<0)
/* for editing in Action Editor */
#define GP_FRAME_SELECT (1<<1)
/* Grease-Pencil Annotations - 'Layer' */
typedef struct bGPDlayer {
struct bGPDlayer *next, *prev;
ListBase frames; /* list of annotations to display for frames (bGPDframe list) */
bGPDframe *actframe; /* active frame (should be the frame that is currently being displayed) */
int flag; /* settings for layer */
short thickness; /* current thickness to apply to strokes */
short gstep; /* max number of frames between active and ghost to show (0=only those on either side) */
float color[4]; /* color that should be used to draw all the strokes in this layer */
char info[128]; /* optional reference info about this layer (i.e. "director's comments, 12/3")
* this is used for the name of the layer too and kept unique. */
} bGPDlayer;
/* bGPDlayer->flag */
/* don't display layer */
#define GP_LAYER_HIDE (1<<0)
/* protected from further editing */
#define GP_LAYER_LOCKED (1<<1)
/* layer is 'active' layer being edited */
#define GP_LAYER_ACTIVE (1<<2)
/* draw points of stroke for debugging purposes */
#define GP_LAYER_DRAWDEBUG (1<<3)
/* do onionskinning */
#define GP_LAYER_ONIONSKIN (1<<4)
/* for editing in Action Editor */
#define GP_LAYER_SELECT (1<<5)
/* current frame for layer can't be changed */
#define GP_LAYER_FRAMELOCK (1<<6)
/* don't render xray (which is default) */
#define GP_LAYER_NO_XRAY (1<<7)
/* Grease-Pencil Annotations - 'DataBlock' */
typedef struct bGPdata {
ID id; /* Grease Pencil data is */
/* saved Grease-Pencil data */
ListBase layers; /* bGPDlayers */
int flag; /* settings for this datablock */
/* not-saved stroke buffer data (only used during paint-session)
* - buffer must be initialized before use, but freed after
* whole paint operation is over
*/
short sbuffer_size; /* number of elements currently in cache */
short sbuffer_sflag; /* flags for stroke that cache represents */
void *sbuffer; /* stroke buffer (can hold GP_STROKE_BUFFER_MAX) */
} bGPdata;
/* bGPdata->flag */
// XXX many of these flags should be deprecated for more general ideas in 2.5
/* don't allow painting to occur at all */
// XXX is deprecated - not well understood
#define GP_DATA_LMBPLOCK (1<<0)
/* show debugging info in viewport (i.e. status print) */
#define GP_DATA_DISPINFO (1<<1)
/* in Action Editor, show as expanded channel */
#define GP_DATA_EXPAND (1<<2)
/* is the block overriding all clicks? */
// XXX is deprecated - nasty old concept
#define GP_DATA_EDITPAINT (1<<3)
/* new strokes are added in viewport space */
#define GP_DATA_VIEWALIGN (1<<4)
/* Project into the screens Z values */
#define GP_DATA_DEPTH_VIEW (1<<5)
#define GP_DATA_DEPTH_STROKE (1<<6)
#define GP_DATA_DEPTH_STROKE_ENDPOINTS (1<<7)
#endif /* __DNA_GPENCIL_TYPES_H__ */
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