QTileOverlay.h

//
//  QTileOverlay.h
//  QMapKit
//
//  Created by tabsong on 2017/6/27.
//  Copyright © 2017年 tencent. All rights reserved.
//
 
#import <Foundation/Foundation.h>
#import "QTypes.h"
#import "QGeometry.h"
#import "QOverlay.h"

@interface QTileOverlay : NSObject <QOverlay>
{
    @package
    QMapRect _boundingRect;     //当前仅返回全球范围外接矩形
}

- (instancetype)initWithURLTemplate: (NSString *)URLTemplate;

@property (readonly) NSString *URLTemplate;

@property (nonatomic, assign) BOOL isHighResoultionTile;

@property (nonatomic, strong) NSString *tileCacheDir;

@property (nonatomic) BOOL enableReuseOnMultiLevel;

@property (nonatomic, assign) NSInteger levelOffset;

@property (nonatomic, readonly) int minDataLevel;

@property (nonatomic, readonly) int maxDataLevel;

- (void)setMinDataLevel:(int)minLevel maxDataLevel:(int)maxLevel;

@property (nonatomic, readonly) int minVisibleLevel;

@property (nonatomic, readonly) int maxVisibleLevel;
 

- (void)setMinVisibleLevel:(int)minLevel maxVisibleLevel:(int)maxLevel;
 
@end

@interface QTileOverlay (CustomLoading)

- (NSURL *)URLForTilePath:(QTileOverlayPath)path;

- (void)loadTileAtPath:(QTileOverlayPath)path result:(void (^)(NSData *tileData, NSError *error))result;

- (void)cancelLoadOfTileAtPath:(QTileOverlayPath)tilePath;
 
@end