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-rw-r--r--tikzit-old/src/common/Grid.h110
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diff --git a/tikzit-old/src/common/Grid.h b/tikzit-old/src/common/Grid.h
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--- a/tikzit-old/src/common/Grid.h
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-/*
- * 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