RMGenericMapSource.m 2.62 KB
//
//  RMGenericMapSource.m
//
// Copyright (c) 2008-2012, 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 "RMGenericMapSource.h"

@implementation RMGenericMapSource
{
    NSString *host, *tileCacheKey;
}

- (id)initWithHost:(NSString *)mapSourceHost tileCacheKey:(NSString *)mapSourceTileCacheKey minZoom:(float)mapSourceMinZoom maxZoom:(float)mapSourceMaxZoom
{
	if (!(self = [super init]))
        return nil;

    host = [mapSourceHost retain];
    tileCacheKey = [mapSourceTileCacheKey retain];

    [self setMaxZoom:maxZoom];
    [self setMinZoom:minZoom];

	return self;
}

- (void)dealloc
{
    [host release]; host = nil;
    [tileCacheKey release]; tileCacheKey = nil;
    [super dealloc];
}

- (NSURL *)URLForTile:(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 [NSURL URLWithString:[NSString stringWithFormat:@"http://%@/%d/%d/%d.png", host, tile.zoom, tile.x, tile.y]];
}

- (NSString *)uniqueTilecacheKey
{
	return tileCacheKey;
}

- (NSString *)shortName
{
	return @"Generic Map Source";
}

- (NSString *)longDescription
{
	return @"Generic Map Source";
}

- (NSString *)shortAttribution
{
	return @"n/a";
}

- (NSString *)longAttribution
{
	return @"n/a";
}

@end