PNLineChart.h
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//
// PNLineChart.h
// PNChartDemo
//
// Created by kevin on 11/7/13.
// Copyright (c) 2013年 kevinzhow. All rights reserved.
//
#import <UIKit/UIKit.h>
#import <QuartzCore/QuartzCore.h>
#import "PNChartDelegate.h"
#import "PNGenericChart.h"
@interface PNLineChart : PNGenericChart
/**
* Draws the chart in an animated fashion.
*/
- (void)strokeChart;
@property (nonatomic, weak) id<PNChartDelegate> delegate;
@property (nonatomic) NSArray *xLabels;
@property (nonatomic) NSArray *yLabels;
/**
* Array of `LineChartData` objects, one for each line.
*/
@property (nonatomic) NSArray *chartData;
@property (nonatomic) NSMutableArray *pathPoints;
@property (nonatomic) NSMutableArray *xChartLabels;
@property (nonatomic) NSMutableArray *yChartLabels;
@property (nonatomic) CGFloat xLabelWidth;
@property (nonatomic) UIFont *xLabelFont;
@property (nonatomic) UIColor *xLabelColor;
@property (nonatomic) CGFloat yValueMax;
@property (nonatomic) CGFloat yFixedValueMax;
@property (nonatomic) CGFloat yFixedValueMin;
@property (nonatomic) CGFloat yValueMin;
@property (nonatomic) NSInteger yLabelNum;
@property (nonatomic) CGFloat yLabelHeight;
@property (nonatomic) UIFont *yLabelFont;
@property (nonatomic) UIColor *yLabelColor;
@property (nonatomic) CGFloat chartCavanHeight;
@property (nonatomic) CGFloat chartCavanWidth;
@property (nonatomic) CGFloat chartMargin;
@property (nonatomic) BOOL showLabel;
@property (nonatomic) BOOL showGenYLabels;
/**
* Controls whether to show the coordinate axis. Default is NO.
*/
@property (nonatomic, getter = isShowCoordinateAxis) BOOL showCoordinateAxis;
@property (nonatomic) UIColor *axisColor;
@property (nonatomic) CGFloat axisWidth;
@property (nonatomic, strong) NSString *xUnit;
@property (nonatomic, strong) NSString *yUnit;
/**
* String formatter for float values in y-axis labels. If not set, defaults to @"%1.f"
*/
@property (nonatomic, strong) NSString *yLabelFormat;
- (void)setXLabels:(NSArray *)xLabels withWidth:(CGFloat)width;
/**
* Update Chart Value
*/
- (void)updateChartData:(NSArray *)data;
/**
* returns the Legend View, or nil if no chart data is present.
* The origin of the legend frame is 0,0 but you can set it with setFrame:(CGRect)
*
* @param mWidth Maximum width of legend. Height will depend on this and font size
*
* @return UIView of Legend
*/
- (UIView*) getLegendWithMaxWidth:(CGFloat)mWidth;
+ (CGSize)sizeOfString:(NSString *)text withWidth:(float)width font:(UIFont *)font;
@end