MapRenderer.m
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//
// MapRenderer.m
// RouteMe
//
// Created by Joseph Gentle on 9/09/08.
// Copyright 2008 __MyCompanyName__. All rights reserved.
//
#import "MapRenderer.h"
#import "ScreenProjection.h"
#import "FractalTileProjection.h"
#import "MapView.h"
#import "TileSource.h"
#import "TileImage.h"
@implementation MapRenderer
// Designated initialiser
- (id) initWithView: (MapView *)_view ProjectingIn: (ScreenProjection*) _screenProjection
{
if (![super init])
return nil;
view = _view;
screenProjection = _screenProjection;//[[ScreenProjection alloc] initWithBounds:[view bounds]];
CLLocationCoordinate2D here;
here.latitude = -33.9464;
here.longitude = 151.2381;
[screenProjection setScale:[[[view tileSource] tileProjection] calculateScaleFromZoom:16]];
[self moveToLatLong:here];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(mapImageLoaded:) name:MapImageLoadedNotification object:nil];
return self;
}
- (id) initWithView: (MapView *)_view
{
ScreenProjection *_screenProjection = [[ScreenProjection alloc] initWithBounds:[_view bounds]];
return [self initWithView:_view ProjectingIn:_screenProjection];
}
-(void) dealloc
{
[screenProjection release];
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
}
-(void)mapImageLoaded: (NSNotification*)notification
{
[self setNeedsDisplay];
}
- (void)drawRect:(CGRect)rect
{ }
-(void) moveToMercator: (MercatorPoint) point
{
[screenProjection moveToMercator:point];
}
-(void) moveToLatLong: (CLLocationCoordinate2D) point
{
[screenProjection moveToLatLong:point];
}
- (void)moveBy: (CGSize) delta
{
[screenProjection moveBy:delta];
[view setNeedsDisplay];
}
- (void)zoomByFactor: (float) zoomFactor Near:(CGPoint) center
{
[screenProjection zoomByFactor:zoomFactor Near:center];
[view setNeedsDisplay];
}
-(void) recalculateImageSet
{
}
- (void)setNeedsDisplay
{
[self recalculateImageSet];
[view setNeedsDisplay];
}
- (double) scale
{
return [screenProjection scale];
}
- (void) setScale: (double) scale
{
[screenProjection setScale:scale];
[self setNeedsDisplay];
}
@end