#import "CPTPlot.h"

@class CPTPlotRange;

/// @file

/**

* @brief A function called to generate plot data in a CPTFunctionDataSource datasource.

**/

typedef double (*CPTDataSourceFunction)(double);

/**

* @brief An Objective-C block called to generate plot data in a CPTFunctionDataSource datasource.

**/

typedef double (^CPTDataSourceBlock)(double);

@interface CPTFunctionDataSource : NSObject<CPTPlotDataSource>

@property (nonatomic, readonly, nullable) CPTDataSourceFunction dataSourceFunction;

@property (nonatomic, readonly, nullable) CPTDataSourceBlock dataSourceBlock;

@property (nonatomic, readonly, nonnull) CPTPlot *dataPlot;

@property (nonatomic, readwrite) CGFloat resolution;

@property (nonatomic, readwrite, strong, nullable) CPTPlotRange *dataRange;

/// @name Factory Methods

/// @{

+(nonnull instancetype)dataSourceForPlot:(nonnull CPTPlot *)plot withFunction:(nonnull CPTDataSourceFunction)function;

+(nonnull instancetype)dataSourceForPlot:(nonnull CPTPlot *)plot withBlock:(nonnull CPTDataSourceBlock)block;

/// @}

/// @name Initialization

/// @{

-(nonnull instancetype)initForPlot:(nonnull CPTPlot *)plot withFunction:(nonnull CPTDataSourceFunction)function;

-(nonnull instancetype)initForPlot:(nonnull CPTPlot *)plot withBlock:(nonnull CPTDataSourceBlock)block;

/// @}

@end