iPhone/iPad solutions

This is definition of class which I use in my Pie Chart 3D app

More about library you can read on https://iphone.orpi.pl/?p=20

//
//  GraphView.h
//  wynagrodzen
//
//  Created by ORPI.pl on 10-09-08.
//  Copyright 2010 ORPI.pl. All rights reserved.
//

#import 

@class GraphView;

@protocol GraphViewDelegate

@optional
- (void)graphView:(GraphView *)graphView didSelectSliceAtIndex:(NSNumber *)indexPath;
- (void)chartShaked:(UIEvent *)event;
- (void)settings;

@end

@interface GraphView : UIView {
	
	// labels - array of NSStrings
	NSMutableArray *labels;
	// values - array of NSNumber
	NSMutableArray *values;
	
	// colors should be defined as hue parameter of color, this is optional value
	NSArray *colors;	
	// colorsToSlices defines on which position of colors array is our color
	NSMutableArray *colorsToSlices;
	NSMutableArray *myColors;
	
	NSString *chartTitle;
	
	float chartHeight;
	float radiusStep;
	float inclination;	
	float startAngleStep;	
	BOOL showLabels;
	int labelsType;
	int labelsDigits;
	
	CGFloat	chartCenterX;
	CGFloat	chartCenterY;
	CGFloat	chartOffset;
	
	CGFloat initialXPosition;
    CGFloat initialYPosition;
	CGFloat beginPositionX;
    CGFloat beginPositionY;	
    CGFloat initialDistance;
	CGFloat initialAngle;
	
	int moveDetectedType;
	BOOL allowMotion;
	
	NSMutableArray *normalisedChartValues;
	
	float movedZ;
    float movedX;
    float movedY;
	

}
@property(nonatomic,assign)   id    delegate;

@property (nonatomic,retain) NSMutableArray *labels;
@property (nonatomic,retain) NSMutableArray *values;
@property (nonatomic,retain) NSArray *colors;
@property (nonatomic,retain) NSMutableArray *colorsToSlices;
@property (nonatomic,retain) NSString *chartTitle;

@property (nonatomic) float chartHeight;
@property (nonatomic) float radiusStep;
@property (nonatomic) float inclination;
@property (nonatomic) float startAngleStep;
@property (nonatomic) BOOL showLabels;
@property (nonatomic) int labelsType;
@property (nonatomic) int labelsDigits;
@property (nonatomic) BOOL allowMotion;

- (CGFloat)distanceBetweenTwoPoints:(CGPoint)fromPoint toPoint:(CGPoint)toPoint;
- (NSNumber *)tappedSliceId:(CGFloat)angle;

-(void)setLabelForSlice:(NSNumber *)sliceId value:(NSString *)value;
-(void)setValueForSlice:(NSNumber *)sliceId value:(NSNumber *)value;
-(void)setzColorForSlice:(NSNumber *)sliceId value:(NSNumber *)value;

-(NSString *)getLabelForSlice:(NSNumber *)sliceId;
-(NSNumber *)getValueForSlice:(NSNumber *)sliceId;
-(NSNumber *)getColorForSlice:(NSNumber *)sliceId;
-(NSNumber *)pushSliceForward:(NSNumber *)sliceId;
-(NSNumber *)pushSliceBack:(NSNumber *)sliceId;
-(void)removeSlice:(NSNumber *)sliceId;
-(NSNumber *)addSlice;
-(void)setChartTitle:(NSString *)newChartTitle;
-(void)setLabelsDigits:(int)newlabelsdigits;


	
@end