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/**
* blenlib/DNA_view2d_types.h (mar-2001 nzc)
*
* $Id$
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Joshua Leung
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef DNA_VIEW2D_TYPES_H
#define DNA_VIEW2D_TYPES_H
#include "DNA_vec_types.h"
/* ---------------------------------- */
/* View 2D data - stored per region */
typedef struct View2D {
rctf tot, cur; /* tot - area that data can be drawn in; cur - region of tot that is visible in viewport */
rcti vert, hor; /* vert - vertical scrollbar region; hor - horizontal scrollbar region */
rcti mask; /* mask - region (in screenspace) within which 'cur' can be viewed */
float min[2], max[2]; /* min/max sizes? */
float minzoom, maxzoom; /* self explanatory. allowable zoom factor range */
short scroll; /* scroll - scrollbars to display (bitflag) */
short keeptot; /* keeptot - 'tot' rect */
short keepaspect, keepzoom; /* axes that zoomimg cannot occur on, and need to maintain aspect ratio */
short keepofs; /* keepofs - axes that translation is not allowed to occur on */
short flag; /* settings */
short oldwinx, oldwiny; /* storage of previous winx/winy values encountered by UI_view2d_enforce_status(), for keepaspect */
float cursor[2]; /* only used in the UV view for now (for 2D-cursor) */
short around; /* pivot point for transforms (rotate and scale) */
char pad[6];
} View2D;
/* ---------------------------------- */
/* v2d->keepzoom */
#define V2D_KEEPZOOM 0x0001
#define V2D_LOCKZOOM_X 0x0100
#define V2D_LOCKZOOM_Y 0x0200
/* v2d->keepofs */
#define V2D_LOCKOFS_X (1<<1)
#define V2D_LOCKOFS_Y (1<<2)
/* event codes for locking function */
#define V2D_LOCK_COPY 1
#define V2D_LOCK_REDRAW 2
/* v2d->flag */
#define V2D_VIEWLOCK (1<<0)
/* scrollbar thickness */
/* height */
#define SCROLLH 16
/* width */
#define SCROLLB 16
/* scrollbar flags for View2D */
/* left scrollbar */
#define L_SCROLL (1<<0)
#define R_SCROLL (1<<1)
#define VERT_SCROLL (L_SCROLL|R_SCROLL)
/* horizontal scrollbar */
#define T_SCROLL (1<<2)
#define B_SCROLL (1<<3)
#define HOR_SCROLL (T_SCROLL|B_SCROLL)
/* special hacks for outliner hscroll - prevent hanging older versions of Blender */
#define B_SCROLLO (1<<4)
#define HOR_SCROLLO (T_SCROLL|B_SCROLLO)
/* scale markings - vertical */
#define LGRID_SCROLL (1<<5)
#define RGRID_SCROLL (1<<6)
#define VERT_SCROLLGRID (LGRID_SCROLL|RGRID_SCROLL)
/* scale markings - horizontal */
#define BGRID_SCROLL (1<<7)
#define TGRID_SCROLL (1<<8)
#define HOR_SCROLLGRID (BGRID_SCROLL|TGRID_SCROLL)
#endif
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