RMTileLoader.h
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//
// RMTimeImageSet.h
//
// Copyright (c) 2008, 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 <Foundation/Foundation.h>
#import "RMTile.h"
#import "RMTileImageSet.h"
#import "RMMapContents.h"
@class RMTileImage;
@class RMTileImageSet;
@class RMMercatorToScreenProjection;
extern NSString * const RMMapImageRemovedFromScreenNotification;
extern NSString * const RMMapImageAddedToScreenNotification;
extern NSString * const RMSuspendExpensiveOperations;
extern NSString * const RMResumeExpensiveOperations;
extern NSString * const RMTileRetrieved;
extern NSString * const RMTileRequested;
@protocol RMTileSource;
@interface RMTileLoader : NSObject {
RMMapContents *content;
CGRect loadedBounds;
int loadedZoom;
RMTileRect loadedTiles;
BOOL suppressLoading;
}
// Designated initialiser
- (id)initWithContent: (RMMapContents *)contents;
- (void)updateLoadedImages;
- (void)moveBy: (CGSize) delta;
- (void)zoomByFactor: (float) zoomFactor near:(CGPoint) center;
- (void)clearLoadedBounds;
- (void)reload;
@property (readonly, nonatomic) CGRect loadedBounds;
@property (readonly, nonatomic) int loadedZoom;
@property (readwrite, assign) BOOL suppressLoading;
//-(BOOL) containsRect: (CGRect)bounds;
@end