CPTPieChart.h

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#import "CPTDefinitions.h"
#import "CPTFill.h"
#import "CPTPlot.h"
 
 
@class CPTColor;
@class CPTPieChart;
@class CPTTextLayer;
@class CPTLineStyle;
 
typedef NSString *CPTPieChartBinding cpt_swift_struct;
 
extern CPTPieChartBinding __nonnull const CPTPieChartBindingPieSliceWidthValues;
extern CPTPieChartBinding __nonnull const CPTPieChartBindingPieSliceFills;
extern CPTPieChartBinding __nonnull const CPTPieChartBindingPieSliceRadialOffsets;
 
typedef NS_ENUM (NSInteger, CPTPieChartField) {
    CPTPieChartFieldSliceWidth,           
    CPTPieChartFieldSliceWidthNormalized, 
    CPTPieChartFieldSliceWidthSum         
};
 
typedef NS_CLOSED_ENUM(NSInteger, CPTPieDirection) {
    CPTPieDirectionClockwise,       
    CPTPieDirectionCounterClockwise 
};
 
#pragma mark -
 
@protocol CPTPieChartDataSource<CPTPlotDataSource>
@optional
 
 
-(nullable CPTFillArray *)sliceFillsForPieChart:(nonnull CPTPieChart *)pieChart recordIndexRange:(NSRange)indexRange;
 
-(nullable CPTFill *)sliceFillForPieChart:(nonnull CPTPieChart *)pieChart recordIndex:(NSUInteger)idx;
 
 
 
-(nullable CPTNumberArray *)radialOffsetsForPieChart:(nonnull CPTPieChart *)pieChart recordIndexRange:(NSRange)indexRange;
 
-(CGFloat)radialOffsetForPieChart:(nonnull CPTPieChart *)pieChart recordIndex:(NSUInteger)idx;
 
 
 
-(nullable NSString *)legendTitleForPieChart:(nonnull CPTPieChart *)pieChart recordIndex:(NSUInteger)idx;
 
-(nullable NSAttributedString *)attributedLegendTitleForPieChart:(nonnull CPTPieChart *)pieChart recordIndex:(NSUInteger)idx;
 
@end
 
#pragma mark -
 
@protocol CPTPieChartDelegate<CPTPlotDelegate>
 
@optional
 
 
-(void)pieChart:(nonnull CPTPieChart *)plot sliceWasSelectedAtRecordIndex:(NSUInteger)idx;
 
-(void)pieChart:(nonnull CPTPieChart *)plot sliceWasSelectedAtRecordIndex:(NSUInteger)idx withEvent:(nonnull CPTNativeEvent *)event;
 
-(void)pieChart:(nonnull CPTPieChart *)plot sliceTouchDownAtRecordIndex:(NSUInteger)idx;
 
-(void)pieChart:(nonnull CPTPieChart *)plot sliceTouchDownAtRecordIndex:(NSUInteger)idx withEvent:(nonnull CPTNativeEvent *)event;
 
-(void)pieChart:(nonnull CPTPieChart *)plot sliceTouchUpAtRecordIndex:(NSUInteger)idx;
 
-(void)pieChart:(nonnull CPTPieChart *)plot sliceTouchUpAtRecordIndex:(NSUInteger)idx withEvent:(nonnull CPTNativeEvent *)event;
 
 
@end
 
#pragma mark -
 
@interface CPTPieChart : CPTPlot
 
@property (nonatomic, readwrite) CGFloat pieRadius;
@property (nonatomic, readwrite) CGFloat pieInnerRadius;
@property (nonatomic, readwrite) CGFloat startAngle;
@property (nonatomic, readwrite) CGFloat endAngle;
@property (nonatomic, readwrite) CPTPieDirection sliceDirection;
@property (nonatomic, readwrite) CGPoint centerAnchor;
 
@property (nonatomic, readwrite, copy, nullable) CPTLineStyle *borderLineStyle;
@property (nonatomic, readwrite, copy, nullable) CPTFill *overlayFill;
 
@property (nonatomic, readwrite, assign) BOOL labelRotationRelativeToRadius;
 
-(void)reloadSliceFills;
-(void)reloadSliceFillsInIndexRange:(NSRange)indexRange;
 
-(void)reloadRadialOffsets;
-(void)reloadRadialOffsetsInIndexRange:(NSRange)indexRange;
 
-(NSUInteger)pieSliceIndexAtAngle:(CGFloat)angle;
-(CGFloat)medianAngleForPieSliceIndex:(NSUInteger)idx;
 
+(nonnull CPTColor *)defaultPieSliceColorForIndex:(NSUInteger)pieSliceIndex;
 
@end