//
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// PNPieChart.h
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// PNChartDemo
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//
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// Created by Hang Zhang on 14-5-5.
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// Copyright (c) 2014年 kevinzhow. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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#import "PNPieChartDataItem.h"
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#import "PNGenericChart.h"
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#import "PNChartDelegate.h"
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@interface PNPieChart : PNGenericChart
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- (id)initWithFrame:(CGRect)frame items:(NSArray *)items;
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@property (nonatomic, readonly) NSArray *items;
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/** Default is 18-point Avenir Medium. */
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@property (nonatomic) UIFont *descriptionTextFont;
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/** Default is white. */
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@property (nonatomic) UIColor *descriptionTextColor;
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/** Default is black, with an alpha of 0.4. */
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@property (nonatomic) UIColor *descriptionTextShadowColor;
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/** Default is CGSizeMake(0, 1). */
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@property (nonatomic) CGSize descriptionTextShadowOffset;
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/** Default is 1.0. */
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@property (nonatomic) NSTimeInterval duration;
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/** Show only values, this is useful when legend is present */
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@property (nonatomic) BOOL showOnlyValues;
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/** Show absolute values not relative i.e. percentages */
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@property (nonatomic) BOOL showAbsoluteValues;
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/** Hide percentage labels less than cutoff value */
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@property (nonatomic, assign) CGFloat labelPercentageCutoff;
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/** Default YES. */
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@property (nonatomic) BOOL shouldHighlightSectorOnTouch;
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/** Current outer radius. Override recompute() to change this. **/
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@property (nonatomic) CGFloat outerCircleRadius;
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/** Current inner radius. Override recompute() to change this. **/
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@property (nonatomic) CGFloat innerCircleRadius;
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@property (nonatomic, weak) id<PNChartDelegate> delegate;
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/** Update chart items. Does not update chart itself. */
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- (void)updateChartData:(NSArray *)data;
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/** Multiple selection */
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@property (nonatomic, assign) BOOL enableMultipleSelection;
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/** show only tiles, not values or percentage */
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@property (nonatomic) BOOL hideValues;
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- (void)strokeChart;
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- (void)recompute;
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@end
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