RMCloudMadeMapSource.m
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//
// RMCloudMadeMapSource.m
// MapView
//
// Copyright (c) 2008, Cloudmade
// 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 "RMCloudMadeMapSource.h"
@implementation RMCloudMadeMapSource
#define kDefaultCloudMadeStyleNumber 7
- (id) init
{
return [self initWithStyleNumber:kDefaultCloudMadeStyleNumber];
}
/// designated initializer
- (id) initWithStyleNumber:(NSUInteger)styleNumber
{
NSAssert((styleNumber > 0), @"CloudMade style number must be positive");
if (self = [super init]) {
if (styleNumber > 0)
cloudmadeStyleNumber = styleNumber;
else
cloudmadeStyleNumber = kDefaultCloudMadeStyleNumber;
}
return self;
}
- (NSString*) tileURL: (RMTile) tile
{
NSAssert4(((tile.zoom >= self.minZoom) && (tile.zoom <= self.maxZoom)),
@"%@ tried to retrieve tile with zoomLevel %d, outside source's defined range %f to %f",
self, tile.zoom, self.minZoom, self.maxZoom);
return [NSString stringWithFormat:@"http://tile.cloudmade.com/0199bdee456e59ce950b0156029d6934/%d/%d/%d/%d/%d.png",
cloudmadeStyleNumber,
[RMCloudMadeMapSource tileSideLength], tile.zoom, tile.x, tile.y];
}
-(NSString*) uniqueTilecacheKey
{
return [NSString stringWithFormat:@"CloudMadeMaps%d", cloudmadeStyleNumber];
}
+(int)tileSideLength
{
return 256;
}
@end