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#PNChart

Build Status

You can also find swift version at here https://github.com/kevinzhow/PNChart-Swift

A simple and beautiful chart lib with animation used in Piner and CoinsMan for iOS

Requirements

PNChart works on iOS 6.0 and later version and is compatible with ARC projects. It depends on the following Apple frameworks, which should already be included with most Xcode templates:

  • Foundation.framework
  • UIKit.framework
  • CoreGraphics.framework
  • QuartzCore.framework

You will need LLVM 3.0 or later in order to build PNChart.

Usage

Cocoapods

CocoaPods is the recommended way to add PNChart to your project.

  1. Add a pod entry for PNChart to your Podfile pod 'PNChart', '~> 0.6.0'
  2. Install the pod(s) by running pod install.
  3. Include PNChart wherever you need it with #import "PNChart.h".

Copy the PNChart folder to your project

#import "PNChart.h"

//For Line Chart
PNLineChart * lineChart = [[PNLineChart alloc] initWithFrame:CGRectMake(0, 135.0, SCREEN_WIDTH, 200.0)];
[lineChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5"]];

// Line Chart No.1
NSArray * data01Array = @[@60.1, @160.1, @126.4, @262.2, @186.2];
PNLineChartData *data01 = [PNLineChartData new];
data01.color = PNFreshGreen;
data01.itemCount = lineChart.xLabels.count;
data01.getData = ^(NSUInteger index) {
    CGFloat yValue = [data01Array[index] floatValue];
    return [PNLineChartDataItem dataItemWithY:yValue];
};
// Line Chart No.2
NSArray * data02Array = @[@20.1, @180.1, @26.4, @202.2, @126.2];
PNLineChartData *data02 = [PNLineChartData new];
data02.color = PNTwitterColor;
data02.itemCount = lineChart.xLabels.count;
data02.getData = ^(NSUInteger index) {
    CGFloat yValue = [data02Array[index] floatValue];
    return [PNLineChartDataItem dataItemWithY:yValue];
};

lineChart.chartData = @[data01, data02];
[lineChart strokeChart];

#import "PNChart.h"

//For BarC hart
PNBarChart * barChart = [[PNBarChart alloc] initWithFrame:CGRectMake(0, 135.0, SCREEN_WIDTH, 200.0)];
[barChart setXLabels:@[@"SEP 1",@"SEP 2",@"SEP 3",@"SEP 4",@"SEP 5"]];
[barChart setYValues:@[@1,  @10, @2, @6, @3]];
[barChart strokeChart];

#import "PNChart.h"

//For Circle Chart

PNCircleChart * circleChart = [[PNCircleChart alloc] initWithFrame:CGRectMake(0, 80.0, SCREEN_WIDTH, 100.0) andTotal:[NSNumber numberWithInt:100] andCurrent:[NSNumber numberWithInt:60] andClockwise:NO];
circleChart.backgroundColor = [UIColor clearColor];
[circleChart setStrokeColor:PNGreen];
[circleChart strokeChart];

# import "PNChart.h"
//For Pie Chart
NSArray *items = @[[PNPieChartDataItem dataItemWithValue:10 color:PNRed],
                           [PNPieChartDataItem dataItemWithValue:20 color:PNBlue description:@"WWDC"],
                           [PNPieChartDataItem dataItemWithValue:40 color:PNGreen description:@"GOOL I/O"],
                           ];



PNPieChart *pieChart = [[PNPieChart alloc] initWithFrame:CGRectMake(40.0, 155.0, 240.0, 240.0) items:items];
pieChart.descriptionTextColor = [UIColor whiteColor];
pieChart.descriptionTextFont  = [UIFont fontWithName:@"Avenir-Medium" size:14.0];
[pieChart strokeChart];

# import "PNChart.h"
//For Scatter Chart

PNScatterChart *scatterChart = [[PNScatterChart alloc] initWithFrame:CGRectMake(SCREEN_WIDTH /6.0 - 30, 135, 280, 200)];
[scatterChart setAxisXWithMinimumValue:20 andMaxValue:100 toTicks:6];
[scatterChart setAxisYWithMinimumValue:30 andMaxValue:50 toTicks:5];

NSArray * data01Array = [self randomSetOfObjects];
PNScatterChartData *data01 = [PNScatterChartData new];
data01.strokeColor = PNGreen;
data01.fillColor = PNFreshGreen;
data01.size = 2;
data01.itemCount = [[data01Array objectAtIndex:0] count];
data01.inflexionPointStyle = PNScatterChartPointStyleCircle;
__block NSMutableArray *XAr1 = [NSMutableArray arrayWithArray:[data01Array objectAtIndex:0]];
__block NSMutableArray *YAr1 = [NSMutableArray arrayWithArray:[data01Array objectAtIndex:1]];
data01.getData = ^(NSUInteger index) {
    CGFloat xValue = [[XAr1 objectAtIndex:index] floatValue];
    CGFloat yValue = [[YAr1 objectAtIndex:index] floatValue];
    return [PNScatterChartDataItem dataItemWithX:xValue AndWithY:yValue];
};

[scatterChart setup];
self.scatterChart.chartData = @[data01];
/***
this is for drawing line to compare
CGPoint start = CGPointMake(20, 35);
CGPoint end = CGPointMake(80, 45);
[scatterChart drawLineFromPoint:start ToPoint:end WithLineWith:2 AndWithColor:PNBlack];
***/
scatterChart.delegate = self;

Update Value

Now it's easy to update value in real time

if ([self.title isEqualToString:@"Line Chart"]) {

    // Line Chart #1
    NSArray * data01Array = @[@(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300)];
    PNLineChartData *data01 = [PNLineChartData new];
    data01.color = PNFreshGreen;
    data01.itemCount = data01Array.count;
    data01.inflexionPointStyle = PNLineChartPointStyleTriangle;
    data01.getData = ^(NSUInteger index) {
        CGFloat yValue = [data01Array[index] floatValue];
        return [PNLineChartDataItem dataItemWithY:yValue];
    };

    // Line Chart #2
    NSArray * data02Array = @[@(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300), @(arc4random() % 300)];
    PNLineChartData *data02 = [PNLineChartData new];
    data02.color = PNTwitterColor;
    data02.itemCount = data02Array.count;
    data02.inflexionPointStyle = PNLineChartPointStyleSquare;
    data02.getData = ^(NSUInteger index) {
        CGFloat yValue = [data02Array[index] floatValue];
        return [PNLineChartDataItem dataItemWithY:yValue];
    };

    [self.lineChart setXLabels:@[@"DEC 1",@"DEC 2",@"DEC 3",@"DEC 4",@"DEC 5",@"DEC 6",@"DEC 7"]];
    [self.lineChart updateChartData:@[data01, data02]];

}
else if ([self.title isEqualToString:@"Bar Chart"])
{
    [self.barChart setXLabels:@[@"Jan 1",@"Jan 2",@"Jan 3",@"Jan 4",@"Jan 5",@"Jan 6",@"Jan 7"]];
    [self.barChart updateChartData:@[@(arc4random() % 30),@(arc4random() % 30),@(arc4random() % 30),@(arc4random() % 30),@(arc4random() % 30),@(arc4random() % 30),@(arc4random() % 30)]];
}
else if ([self.title isEqualToString:@"Circle Chart"])
{
    [self.circleChart updateChartByCurrent:@(arc4random() % 100)];
}

Callback

#import "PNChart.h"

//For LineChart

lineChart.delegate = self;

//For DelegateMethod


-(void)userClickedOnLineKeyPoint:(CGPoint)point lineIndex:(NSInteger)lineIndex pointIndex:(NSInteger)pointIndex{
    NSLog(@"Click Key on line %f, %f line index is %d and point index is %d",point.x, point.y,(int)lineIndex, (int)pointIndex);
}

-(void)userClickedOnLinePoint:(CGPoint)point lineIndex:(NSInteger)lineIndex{
    NSLog(@"Click on line %f, %f, line index is %d",point.x, point.y, (int)lineIndex);
}

License

This code is distributed under the terms and conditions of the MIT license.

SpecialThanks

@lexrus CocoaPods Spec

pnchart's People

Contributors

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Watchers

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