Camera.m

/*=========================================================================
  Program:   OsiriX

  Copyright (c) OsiriX Team
  All rights reserved.
  Distributed under GNU - LGPL
  
  See http://www.osirix-viewer.com/copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.
=========================================================================*/




#import "Camera.h"

@implementation Camera

@synthesize index, position, focalPoint, viewUp, previewImage, is4D, viewAngle, eyeAngle, forceUpdate,
			parallelScale, clippingRangeNear, clippingRangeFar, ww, wl, fusionPercentage, rollAngle, 
			movieIndexIn4D, croppingPlanes, windowCenterX, windowCenterY, LOD;


- (id) init
{	
	self = [super init];
	
	position = [[Point3D alloc] init];
	viewUp = [[Point3D alloc] init];
	focalPoint = [[Point3D alloc] init];
	
	clippingRangeNear = 0;
	clippingRangeFar = 0;
	parallelScale = 0;
	viewAngle = 0;
	eyeAngle = 0;
	wl = 0;
	ww = 0;
    
    croppingPlanes = [[NSMutableArray alloc] init];
    
    for( int i = 0; i < 6; i++)
        [croppingPlanes addObject: [NSValue valueWithN3Plane: N3PlaneInvalid]];
    
	fusionPercentage = 0.0;

	is4D = NO;
	movieIndexIn4D = 0;
	
	//previewImage = [[NSImage alloc]  initWithContentsOfFile:[[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"/Empty.tif"]];
	previewImage = nil;
	
	return self;
}

-(id) initWithCamera: (Camera*)c
{
	self = [super init];
	self.position = c.position;
	self.viewUp = c.viewUp;
	self.focalPoint = c.focalPoint;
	self.clippingRangeNear = c.clippingRangeNear;
	self.clippingRangeFar = c.clippingRangeFar;
	self.viewAngle = c.viewAngle;
	self.eyeAngle = c.eyeAngle;
	self.parallelScale = c.parallelScale;
	self.wl = c.wl;
	self.ww = c.ww;
    self.croppingPlanes = c.croppingPlanes;
	self.fusionPercentage = c.fusionPercentage;
	self.windowCenterX = c.windowCenterX;
	self.windowCenterY = c.windowCenterY;
	self.previewImage = c.previewImage;
	return self;
}

- (id)copyWithZone:(NSZone *)zone{
	return [[Camera alloc] initWithCamera:self];
}

-(void) dealloc
{
	[position release];
	[viewUp release];
	[focalPoint release];
	[previewImage release];
    
    [croppingPlanes release];
	
	[super dealloc];
}



-(void) setClippingRangeFrom: (float)near To: (float)far
{
	self.clippingRangeNear = near;
	self.clippingRangeFar = far;
}

-(void) setWLWW: (float) newWl : (float) newWw
{
	self.wl = newWl;
	self.ww = newWw;
}

-(NSString*) description
{
	NSMutableString *desc = [NSMutableString stringWithCapacity:0];
	//[desc appendString:@"Camera \n"];
	[desc appendString:[NSString stringWithFormat:@"Position: %@\n",[self position]]];
	[desc appendString:[NSString stringWithFormat:@"ViewUp: %@\n",[self viewUp]]];
	[desc appendString:[NSString stringWithFormat:@"FocalPoint: %@\n",[self focalPoint]]];	
	[desc appendString:[NSString stringWithFormat:@"clippingRangeNear: %f\n",[self clippingRangeNear]]];
	[desc appendString:[NSString stringWithFormat:@"clippingRangeFar: %f\n",[self clippingRangeFar]]];
	[desc appendString:[NSString stringWithFormat:@"viewAngle: %f\n",[self viewAngle]]];
	[desc appendString:[NSString stringWithFormat:@"eyeAngle: %f\n",[self eyeAngle]]];
	[desc appendString:[NSString stringWithFormat:@"parallelScale: %f\n",[self parallelScale]]];
	[desc appendString:[NSString stringWithFormat:@"wl: %f\n",[self wl]]];
	[desc appendString:[NSString stringWithFormat:@"ww: %f\n",[self ww]]];
	[desc appendString:[NSString stringWithFormat:@"fusionPercentage: %f\n",[self fusionPercentage]]];
	return desc;
}

-(NSMutableDictionary*) exportToXML
{
	NSMutableDictionary *xml;
	xml = [[NSMutableDictionary alloc] init];
		
	[xml setObject: [position exportToXML] forKey:@"position"];
	[xml setObject: [viewUp exportToXML] forKey:@"viewUp"];
	[xml setObject: [focalPoint exportToXML] forKey:@"focalPoint"];

	[xml setObject:[NSString stringWithFormat:@"%f",[self clippingRangeNear]] forKey:@"clippingRangeNear"];
	[xml setObject:[NSString stringWithFormat:@"%f",[self clippingRangeFar]] forKey:@"clippingRangeFar"];	
	[xml setObject:[NSString stringWithFormat:@"%f",[self viewAngle]] forKey:@"viewAngle"];	
	[xml setObject:[NSString stringWithFormat:@"%f",[self eyeAngle]] forKey:@"eyeAngle"];	
	[xml setObject:[NSString stringWithFormat:@"%f",[self parallelScale]] forKey:@"parallelScale"];
	[xml setObject:[NSString stringWithFormat:@"%f",[self wl]] forKey:@"wl"];
	[xml setObject:[NSString stringWithFormat:@"%f",[self ww]] forKey:@"ww"];
	
    int i = 0;
    for( NSValue *v in croppingPlanes)
        [xml setObject: [(id) N3PlaneCreateDictionaryRepresentation( [v N3PlaneValue]) autorelease] forKey: [NSString stringWithFormat: @"croppingPlanes %d", i]];
    
	[xml setObject:[NSString stringWithFormat:@"%f",[self fusionPercentage]] forKey:@"fusionPercentage"];
	
	return [xml autorelease];
}

-(id) initWithDictionary: (NSDictionary*) xml
{
	self = [super init];
	position = [(Point3D*) [Point3D alloc] initWithDictionary: [xml valueForKey:@"position"]];
	viewUp = [(Point3D*) [Point3D alloc] initWithDictionary: [xml valueForKey:@"viewUp"]];
	focalPoint = [(Point3D*) [Point3D alloc] initWithDictionary: [xml valueForKey:@"focalPoint"]];
	clippingRangeNear = [[xml valueForKey:@"clippingRangeNear"] floatValue];
	clippingRangeFar = [[xml valueForKey:@"clippingRangeFar"] floatValue];
	viewAngle = [[xml valueForKey:@"viewAngle"] floatValue];
	eyeAngle = [[xml valueForKey:@"eyeAngle"] floatValue];
	parallelScale = [[xml valueForKey:@"parallelScale"] floatValue];
	wl = [[xml valueForKey:@"wl"] floatValue];
	ww = [[xml valueForKey:@"ww"] floatValue];
    
    for( int i = 0; i < 6; i++)
    {
        N3Plane plane;
        if( N3PlaneMakeWithDictionaryRepresentation( (CFDictionaryRef) [xml valueForKey: [NSString stringWithFormat: @"croppingPlanes %d", i]], &plane))
           [croppingPlanes replaceObjectAtIndex: i withObject: [NSValue valueWithN3Plane: plane]];
    }
	fusionPercentage = [[xml valueForKey:@"fusionPercentage"] floatValue];
	return self;
}

@end