diff options
Diffstat (limited to 'tikzit-old/src/common/Grid.h')
-rw-r--r-- | tikzit-old/src/common/Grid.h | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/tikzit-old/src/common/Grid.h b/tikzit-old/src/common/Grid.h deleted file mode 100644 index b267536..0000000 --- a/tikzit-old/src/common/Grid.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Copyright 2011 Alex Merry <dev@randomguy3.me.uk> - * - * 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, see <http://www.gnu.org/licenses/>. - */ - -#import <Foundation/Foundation.h> -#import "RenderContext.h" -#import "Transformer.h" - -/*! - * Provides a grid, which can be use for snapping points - * - * The grid is divided into cells, and each cell is further subdivided. - * These subdivisions are the snap points for the grid. - */ -@interface Grid: NSObject <NSCopying> { - Transformer *transformer; - float spacing; - int cellSubdivisions; -} - -/*! - * The number of times to subdivide the edge of each cell - * - * Each cell will be divided into cellSubdivisions^2 squares. - */ -@property (assign) int cellSubdivisions; - -/*! - * The cell spacing - * - * Each cell will be @p cellSpacing wide and @p cellSpacing high. - */ -@property (assign) float cellSpacing; - - -/*! - * Create a new grid object. - * - * @param sp the cell spacing - this will be the width and height of each cell - * @param subs the number of cell subdivisions; the cell will end up being - * divided into subs*subs squares that are each sp/subs wide and high - * @param t the transformer to be used when snapping screen points - */ -+ (Grid*) gridWithSpacing:(float)sp subdivisions:(int)subs transformer:(Transformer*)t; -/*! - * Initialize a grid object. - * - * @param sp the cell spacing - this will be the width and height of each cell - * @param subs the number of cell subdivisions; each cell will end up being - * divided into subs*subs squares that are each sp/subs wide and high - * @param t the transformer to be used when snapping screen points - */ -- (id) initWithSpacing:(float)sp subdivisions:(int)subs transformer:(Transformer*)t; - -/*! - * Snap a point in screen co-ordinates - * - * @param p the point to snap, in screen co-ordinates - * @result @p p aligned to the nearest corner of a cell subdivision - */ -- (NSPoint) snapScreenPoint:(NSPoint)p; -/*! - * Snap a point in base co-ordinates - * - * @param p the point to snap - * @result @p p aligned to the nearest corner of a cell subdivision - */ -- (NSPoint) snapPoint:(NSPoint)p; - -/** - * Renders the grid - * - * The grid is rendered across the entire surface (subject to the context's - * clip). - * - * The internal transformer is used to convert between graph co-ordinates - * and graphics co-ordinates. - * - * @param cr the context to render in - */ -- (void) renderGridInContext:(id<RenderContext>)cr; - -/** - * Renders the grid - * - * The grid is rendered across the entire surface (subject to the context's - * clip). - * - * @param cr the context to render in - * @param t a transformer that will be used to map graph co-ordinates - * to graphics co-ordinates - */ -- (void) renderGridInContext:(id<RenderContext>)cr transformer:(Transformer*)t; - -@end - -// vi:ft=objc:noet:ts=4:sts=4:sw=4 |