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Diffstat (limited to 'source/blender/editors/include/UI_view2d.h')
-rw-r--r-- | source/blender/editors/include/UI_view2d.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/source/blender/editors/include/UI_view2d.h b/source/blender/editors/include/UI_view2d.h new file mode 100644 index 00000000000..481d96952e9 --- /dev/null +++ b/source/blender/editors/include/UI_view2d.h @@ -0,0 +1,69 @@ +/** + * $Id$ + * + * ***** 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); + +#endif /* UI_VIEW2D_H */ + |