RMProjection.h
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//
// RMProjection.h
//
// Copyright (c) 2008, 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 <Foundation/Foundation.h>
#import <CoreLocation/CoreLocation.h>
#import "RMFoundation.h"
#import "RMLatLong.h"
@interface RMProjection : NSObject
{
// This is actually a projPJ, but I don't want to need
// to include proj_api here.
void* internalProjection;
RMXYRect bounds;
BOOL projectionWrapsHorizontally;
}
@property (readonly) void* internalProjection;
@property (readonly) RMXYRect bounds;
@property (readwrite) BOOL projectionWrapsHorizontally;
// Assuming the earth is round, this will wrap a point around the bounds.
- (RMXYPoint) wrapPointHorizontally: (RMXYPoint) aPoint;
// This method wraps the x and clamps the y.
- (RMXYPoint) constrainPointToBounds: (RMXYPoint) aPoint;
+ (RMProjection *) googleProjection;
+ (RMProjection *) EPSGLatLong;
+ (RMProjection *) OSGB;
- (id) initWithString: (NSString*)params InBounds: (RMXYRect) projBounds;
- (RMLatLong)pointToLatLong:(RMXYPoint)aPoint;
- (RMXYPoint)latLongToPoint:(RMLatLong)aLatLong;
@end