/** * $Id$ * * ***** 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 UI_VIEW2D_H #define UI_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 View2DGrid; struct bContext; typedef struct View2DGrid View2DGrid; /* setup */ void UI_view2d_ortho(const struct bContext *C, struct View2D *v2d); void UI_view2d_update_size(struct View2D *v2d, int winx, int winy); /* grid drawing */ View2DGrid *UI_view2d_calc_grid(const struct bContext *C, struct View2D *v2d, int unit, int type, int winx, int winy); void UI_view2d_draw_grid(const struct bContext *C, struct View2D *v2d, View2DGrid *grid, int flag); void UI_view2d_free_grid(View2DGrid *grid); /* coordinate conversion */ void UI_view2d_region_to_view(struct View2D *v2d, short x, short y, float *viewx, float *viewy); void UI_view2d_view_to_region(struct View2D *v2d, float x, float y, short *regionx, short *regiony); void UI_view2d_to_region_no_clip(struct View2D *v2d, float x, float y, short *regionx, short *region_y); /* utilities */ void UI_view2d_getscale(View2D *v2d, float *x, float *y); #endif /* UI_VIEW2D_H */