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//
// Lynkeos
// $Id$
//
// Created by Jean-Etienne LAMIAUD on Thu May 8 2008.
// Copyright (c) 2008-2018. Jean-Etienne LAMIAUD
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
#include "LynkeosBasicAlignResult.h"
/* For compatibility, we keep the same string as MyImageAligner */
NSString * const LynkeosAlignRef = @"MyImageAligner";
NSString * const LynkeosAlignResultRef = @"AlignResult";
#define K_ALIGN_OFFSET @"offset"
#define K_ALIGN_TRANSFORM @"transform"
@interface LynkeosBasicAlignResult(Private)
- (void) cacheValues;
@end
@implementation LynkeosBasicAlignResult(Private)
- (void) cacheValues
{
NSAffineTransformStruct m = [_transform transformStruct];
// As the determinant is a surface ratio, and the scaling is homothetic,
// the scale is its square root
_scale = sqrt(m.m11*m.m22 - m.m12*m.m21);
// The "unscaled" matrix is a pure rotation matrix, therefore, the rotation
// angle is extracted from its transform of the X unit vector
_rotation = atan2(m.m21/_scale, m.m11/_scale)/M_PI*180.0;
}
@end
@implementation LynkeosBasicAlignResult
- (id) init
{
if ( (self = [super init]) != nil )
{
_transform = [[NSAffineTransform transform] retain];
_scale = 1.0;
_rotation = 0.0;
}
return( self );
}
- (id) initWithCoder:(NSCoder *)decoder
{
self = [self init];
if ( self != nil )
{
if ( [decoder containsValueForKey:K_ALIGN_OFFSET] )
{
_offset = [decoder decodePointForKey:K_ALIGN_OFFSET];
}
if ( [decoder containsValueForKey:K_ALIGN_TRANSFORM] )
{
// Replace the transform
[_transform release];
_transform = [[decoder decodeObjectForKey:K_ALIGN_TRANSFORM] retain];
}
else
// V2 document
[_transform translateXBy:_offset.x yBy:_offset.y];
}
[self cacheValues];
return( self );
}
- (void) dealloc
{
[_transform release];
[super dealloc];
}
- (void)encodeWithCoder:(NSCoder *)encoder
{
[encoder encodeObject:_transform forKey: K_ALIGN_TRANSFORM];
[encoder encodePoint:_offset forKey:K_ALIGN_OFFSET];
}
- (void) setTransformStruct:(NSAffineTransformStruct)m
{
[_transform setTransformStruct:m];
[self cacheValues];
}
- (void) setOffset:(NSPoint)offset
{
_offset = offset;
}
- (NSNumber*) dx
{
return( [NSNumber numberWithDouble:_offset.x] );
}
- (NSNumber*) dy
{
return( [NSNumber numberWithDouble:_offset.y] );
}
- (NSAffineTransform*) alignTransform
{
return( _transform );
}
- (NSNumber*)rotation
{
return( [NSNumber numberWithDouble:_rotation] );
}
- (NSNumber*)scale
{
return( [NSNumber numberWithDouble:_scale] );
}
@end
/*!
* @abstract Class for reading files up to V2.2
*/
@interface MyImageAlignerResult : NSObject <LynkeosProcessingParameter>
{
}
@end
@implementation MyImageAlignerResult
- (id) init
{
[self release];
self = (MyImageAlignerResult*)[[LynkeosBasicAlignResult alloc] init];
return( self );
}
- (void)encodeWithCoder:(NSCoder *)encoder
{ [self doesNotRecognizeSelector:_cmd]; }
- (id) initWithCoder:(NSCoder *)decoder
{
[self release];
self = (MyImageAlignerResult*)[[LynkeosBasicAlignResult alloc] initWithCoder:decoder];
return( self );
}
@end
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