RMCompositeSource.m
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//
// RMCompositeSource.m
// MapView
//
// Created by Justin Miller on 4/19/12.
// Copyright (c) 2012 MapBox / Development Seed. All rights reserved.
//
#import "RMCompositeSource.h"
#import "RMAbstractMercatorTileSource.h"
@implementation RMCompositeSource
@synthesize compositeSources;
- (id)initWithTileSource:(id <RMTileSource>)initialTileSource
{
self = [super init];
if (self)
compositeSources = [[NSMutableArray arrayWithObject:initialTileSource] retain];
return self;
}
- (void)dealloc
{
[compositeSources release];
[super dealloc];
}
- (UIImage *)imageForTile:(RMTile)tile inCache:(RMTileCache *)tileCache
{
// FIXME: cache
UIImage *image = nil;
for (id <RMTileSource>tileSource in self.compositeSources)
{
UIImage *sourceImage = [tileSource imageForTile:tile inCache:tileCache];
if (sourceImage)
{
if (image != nil)
{
UIGraphicsBeginImageContext(image.size);
[image drawAtPoint:CGPointMake(0,0)];
[sourceImage drawAtPoint:CGPointMake(0,0)];
image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
}
else
{
image = sourceImage;
}
}
}
return image;
}
- (void)cancelAllDownloads
{
NSLog(@"cancelAllDownloads");
}
- (RMFractalTileProjection *)mercatorToTileProjection
{
if ( ! tileProjection)
{
tileProjection = [[RMFractalTileProjection alloc] initFromProjection:[self projection]
tileSideLength:[self tileSideLength]
maxZoom:[self maxZoom]
minZoom:[self minZoom]];
}
return tileProjection;
}
- (RMProjection *)projection
{
return [RMProjection googleProjection];
}
- (float)minZoom
{
return kDefaultMinTileZoom;
}
- (void)setMinZoom:(NSUInteger)aMinZoom
{
NSLog(@"setMinZoom:");
}
- (float)maxZoom
{
return kDefaultMaxTileZoom;
}
- (void)setMaxZoom:(NSUInteger)aMaxZoom
{
NSLog(@"setMaxZoom:");
}
- (int)tileSideLength
{
return kDefaultTileSize;
}
- (void)setTileSideLength:(NSUInteger)aTileSideLength
{
NSLog(@"setTileSideLength:");
}
- (RMSphericalTrapezium)latitudeLongitudeBoundingBox
{
return kDefaultLatLonBoundingBox;
}
- (NSString *)uniqueTilecacheKey
{
return NSStringFromClass([self class]);
}
- (NSString *)shortName
{
return @"shortName";
}
- (NSString *)longDescription
{
return @"longDescription";
}
- (NSString *)shortAttribution
{
return @"shortAttribution";
}
- (NSString *)longAttribution
{
return @"longAttribution";
}
- (void)didReceiveMemoryWarning
{
NSLog(@"didReceiveMemoryWarning");
}
@end