RMTileImageSet.h
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//
// RMTileImageSet.h
//
// Copyright (c) 2008-2009, Route-Me Contributors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#import <TargetConditionals.h>
#if TARGET_OS_IPHONE
# import <UIKit/UIKit.h>
#else
# import <Cocoa/Cocoa.h>
#endif
#import "RMTile.h"
@class RMTileImage, RMTileCache;
@protocol RMTileSource;
@protocol RMTileImageSetDelegate <NSObject>
@optional
- (void)tileImageRemoved:(RMTileImage *)image;
- (void)tileImageAdded:(RMTileImage *)image;
@end
@interface RMTileImageSet : NSObject {
id <RMTileImageSetDelegate> delegate;
id <RMTileSource> tileSource;
RMTileCache *tileCache;
NSString *currentCacheKey;
NSMutableSet *images;
short zoom, tileDepth;
NSRecursiveLock *imagesLock;
}
@property (assign, nonatomic, readwrite) id <RMTileImageSetDelegate> delegate;
// tileDepth defaults to zero. if tiles have no alpha, set this higher, 3 or so, to make zooming smoother
@property (assign, readwrite) short zoom, tileDepth;
@property (readonly) BOOL fullyLoaded;
- (id)initWithDelegate:(id)_delegate;
- (void)addTileImage:(RMTileImage *)image at:(CGRect)screenLocation;
- (void)addTile:(RMTile)tile at:(CGRect)screenLocation;
// Add tiles inside rect protected to bounds. Return rectangle containing bounds extended to full tile loading area
- (CGRect)loadTiles:(RMTileRect)rect toDisplayIn:(CGRect)bounds;
- (RMTileImage *)imageWithTile:(RMTile)tile;
- (void)removeTile:(RMTile)tile;
- (void)removeAllTiles;
- (void)resetTiles;
- (void)setTileSource:(id <RMTileSource>)newTileSource;
- (void)setTileCache:(RMTileCache *)newTileCache;
- (void)setCurrentCacheKey:(NSString *)newCacheKey;
- (NSUInteger)count;
- (void)moveBy:(CGSize)delta;
- (void)zoomByFactor:(float)zoomFactor near:(CGPoint)center;
- (void)printDebuggingInformation;
- (void)cancelLoading;
- (void)tileImageLoaded:(NSNotification *)notification;
- (void)removeTilesWorseThan:(RMTileImage *)newImage;
- (BOOL)isTile:(RMTile)subject worseThanTile:(RMTile)object;
- (RMTileImage *)anyTileImage;
- (void)removeTilesOutsideOf:(RMTileRect)rect;
@end