/MapView/Map/RMTransform.h

 1//
 2//  RMTransform.h
 3//
 4// Copyright (c) 2008-2009, Route-Me Contributors
 5// All rights reserved.
 6//
 7// Redistribution and use in source and binary forms, with or without
 8// modification, are permitted provided that the following conditions are met:
 9//
10// * Redistributions of source code must retain the above copyright notice, this
11//   list of conditions and the following disclaimer.
12// * Redistributions in binary form must reproduce the above copyright notice,
13//   this list of conditions and the following disclaimer in the documentation
14//   and/or other materials provided with the distribution.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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25// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26// POSSIBILITY OF SUCH DAMAGE.
27
28#import <Foundation/Foundation.h>
29#import "RMFoundation.h"
30#import "RMLatLong.h"
31
32@class RMProjection;
33@interface RMTransform : NSObject {
34	RMProjection* source;
35	RMProjection* destination;
36	
37	bool is_source_latlong;
38	bool is_dest_latlong;
39}
40
41-(id) initFrom: (RMProjection*)source To: (RMProjection*)dest;
42
43-(CLLocationCoordinate2D) projectForward: (CLLocationCoordinate2D)point AtZoom: (double)z;
44-(CLLocationCoordinate2D) projectInverse: (CLLocationCoordinate2D)point AtZoom: (double)z;
45
46@end
47
48
49/*
50 proj_transform(projection const& source, 
51 projection const& dest);
52 
53 bool forward (double& x, double& y , double& z) const;
54 bool backward (double& x, double& y , double& z) const;
55 
56*/