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/**
* $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) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef BIF_VIEW2D_H
#define BIF_VIEW2D_H
/* start of a generic 2d view with should allow drawing grids,
* panning, zooming, scrolling, .. */
#define V2D_UNIT_SECONDS 0
#define V2D_UNIT_FRAMES 1
#define V2D_GRID_CLAMP 0
#define V2D_GRID_NOCLAMP 1
#define V2D_IS_CLIPPED 12000
#define V2D_HORIZONTAL_LINES 1
#define V2D_VERTICAL_LINES 2
#define V2D_HORIZONTAL_AXIS 4
#define V2D_VERTICAL_AXIS 8
struct View2D;
struct bContext;
void BIF_view2d_ortho(const struct bContext *C, struct View2D *v2d);
/* grid drawing */
void BIF_view2d_calc_grid(const struct bContext *C, struct View2D *v2d, int unit, int type, int winx, int winy);
void BIF_view2d_draw_grid(const struct bContext *C, struct View2D *v2d, int flag);
/* coordinate conversion */
void BIF_view2d_region_to_view(struct View2D *v2d, short x, short y, float *viewx, float *viewy);
void BIF_view2d_view_to_region(struct View2D *v2d, float x, float y, short *regionx, short *regiony);
void BIF_view2d_to_region_no_clip(struct View2D *v2d, float x, float y, short *regionx, short *region_y);
#endif /* BIF_VIEW2D_H */
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