Rotated pie chart for iOS

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Code download: http://pan.baidu.com? Http://www.bkjia.com/kf/ware/vc/ "target =" _ blank "class =" keylink "> flock + sf3NvLXEtdrI/blend + c1_vcd4kpha + flock + CjxwcmUgY2xhc3M9" brush: java; "> # import # Import "PieChartView. h" @ interface ViewController: UIViewController @ Property (nonatomic, strong) NSMutableArray * m_valueArray; // container of the first group of data @ property (nonatomic, strong) NSMutableArray * m_colorArray; // container of the first group of colors @ property (nonatomic, strong) NSMutableArray * m_valueArray2; // container of the second set of data @ property (nonatomic, strong) optional * m_colorArray2; // container of the second set of colors @ property (nonatomic, strong) PieChartView * m_piechar; // pie chart class @ property (nonatomic, strong) UIView * m_pieContainer; // the container of the pie chart @ property (nonatomic) BOOL inOut; // click the control switch in the center @ property (nonatomic, strong) UILabel * m_selLabel; // display data label @ end
ViewController. m

//// ViewController. m // rotated pie chart /// Created by du jia on 14-3-24. // Copyright (c) June 2014 dujia. all rights reserved. // # import "ViewController. h "# define PIE_HEIGHT 280 @ interface ViewController () @ end @ implementation ViewController-(void) viewDidLoad {self. inOut = YES; [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. self. m_valueArray = [[NSMutableArray alloc] initWi ThObjects: [NSNumber numberWithInt: 12], [NSNumber numberWithInt: 3], [NSNumber numberWithInt: 2], [NSNumber numberWithInt: 3], [NSNumber numberWithInt: 3], [NSNumber numberWithInt: 4], nil]; self. m_valueArray2 = [[NSMutableArray alloc] initWithObjects: [NSNumber numberWithInt: 3], [NSNumber numberWithInt: 2], [NSNumber numberWithInt: 2], nil]; self. m_colorArray = [NSMutableArray arrayWithObjects: [UIColor ColorWithHue :( (0/8) % 20)/20.0 + 0.08 saturation :( 0% 8 + 3)/10.0 brightness: 91/100. 0 alpha: 1], [UIColor colorWithHue :( (1/8) % 20)/20.0 + 0.03 saturation :( 1% 8 + 3)/10.0 brightness: 91/100. 0 alpha: 1], [UIColor colorWithHue :( (2/8) % 20)/20.0 + 0.12 saturation :( 2% 8 + 3)/10.0 brightness: 91/100. 0 alpha: 1], [UIColor colorWithHue :( (3/8) % 20)/20.0 + 0.32 saturation :( 3% 8 + 3)/10.0 brightness: 91/100. 0 alpha: 1], [UIColor colorWithHu E :( (4/8) % 20)/20.0 + 0.01 saturation :( 4% 8 + 3)/10.0 brightness: 91/100. 0 alpha: 1], [UIColor colorWithHue :( (5/8) % 20)/20.0 + 0.05 saturation :( 5% 8 + 3)/10.0 brightness: 91/100. 0 alpha: 1], nil]; self. m_colorArray2 = [NSMutableArray alloc] custom: [UIColor purpleColor], [UIColor orangeColor], [UIColor magentaColor], nil]; // add shadow img CGRect pieFrame = CGRectMake (self. view. frame. size. width-PIE_HE IGHT)/2, 0, PIE_HEIGHT, PIE_HEIGHT); UIImage * shadowImg = [UIImage imageNamed: @ "shadow.png"]; UIImageView * handle = [[UIImageView alloc] initWithImage: shadowImg]; shadowImgView. frame = CGRectMake (0, pieFrame. origin. y + PIE_HEIGHT * 0.92, shadowImg. size. width/2, shadowImg. size. height/2); [self. view addSubview: shadowImgView]; self. m_pieContainer = [[UIView alloc] initWithFrame: pieFrame]; self. m _ PieChartView = [[PieChartView alloc] initWithFrame: self. m_pieContainer.bounds withValue: self. m_valueArray withColor: self. m_colorArray]; self. m_pieChartView.delegate = self; [self. m_pieContainer addSubview: self. m_pieChartView]; [self. m_pieChartView setAmountText: @ "-2456.0"]; [self. view addSubview: self. m_pieContainer]; // add selected view UIImageView * selView = [[UIImageView alloc] init]; selView. ima Ge = [UIImage imageNamed: @ "select.png"]; selView. frame = CGRectMake (self. view. frame. size. width-selView. image. size. width/2)/2, self. m_pieContainer.frame.origin.y + self. m_pieContainer.frame.size.height, selView. image. size. width/2, selView. image. size. height/2); [self. view addSubview: selView]; self. m_selLabel = [[UILabel alloc] initWithFrame: CGRectMake (0, 24, selView. image. size. width/2, 21)]; self. M_selLabel.backgroundColor = [UIColor clearColor]; self. m_selLabel.textAlignment = NSTextAlignmentCenter; self. m_selLabel.font = [UIFont systemFontOfSize: 17]; self. m_selLabel.textColor = [UIColor whiteColor]; [selView addSubview: self. m_selLabel]; [self. m_pieChartView setTitleText: @ "Total expenditure"]; self. title = @ "statement";}-(void) selectedFinish :( PieChartView *) pieChartView index :( NSInteger) index percent :( flo At) per {self. m_selLabel.text = [NSString stringWithFormat: @ "% 2.2f % @", per * 100, @ "%"];}-(void) onCenterClick :( PieChartView *) pieChartView {self. inOut =! Self. inOut; self. Reflect = nil; [self. m_pieChartView removeFromSuperview]; self. m_pieChartView = [[PieChartView alloc] initWithFrame: self. Adjust withValue: self. inOut? Self. m_valueArray: self. m_valueArray2 withColor: self. inOut? Self. m_colorArray: self. m_colorArray2]; self. m_pieChartView.delegate = self; [self. m_pieContainer addSubview: self. m_pieChartView]; [self. m_pieChartView reloadChart]; if (self. inOut) {[self. m_pieChartView setTitleText: @ "Total expenditure"]; [self. m_pieChartView setAmountText: @ "-2456.0"];} else {[self. m_pieChartView setTitleText: @ "total revenue"]; [self. m_pieChartView setAmountText: @ "+ 567.23"] ;}}- (void) viewDidAppear :( BOOL) animated {[self. m_pieChartView reloadChart];}-(void) didReceiveMemoryWarning {[super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated .} @ end