michalkonturek/GraphKit

A lightweight library of animated graphs for iOS.

GraphKit

A lightweight library of animated charts for iOS.

License

Source code of this project is available under the standard MIT license. Please see the license file.

Usage

To see a quick demo, simply type pod try GraphKit.

Bar Graph

Initialize GKBarGraph from nib or programmatically:

CGRect frame = CGRectMake(0, 40, 320, 200);
self.graphView = [[GKBarGraph alloc] initWithFrame:frame];

then set GKGraphViewDataSource

self.graphView.dataSource = self;

and call draw method.

[self.graphView draw];

Please see example.

GKBarGraphDataSource Protocol

@required
- (NSInteger)numberOfBars;
- (NSNumber *)valueForBarAtIndex:(NSInteger)index;

@optional
- (UIColor *)colorForBarAtIndex:(NSInteger)index;
- (UIColor *)colorForBarBackgroundAtIndex:(NSInteger)index;
- (CFTimeInterval)animationDurationForBarAtIndex:(NSInteger)index;
- (NSString *)titleForBarAtIndex:(NSInteger)index;

Line Graph

CGRect frame = CGRectMake(0, 40, 320, 200);
self.graphView = [[GKLineGraph alloc] initWithFrame:frame];

self.graph.dataSource = self;
self.graph.lineWidth = 3.0;

[self.graph draw];

Please see example.

GKLineGraphDataSource Protocol

@required
- (NSInteger)numberOfLines;
- (UIColor *)colorForLineAtIndex:(NSInteger)index;
- (NSArray *)valuesForLineAtIndex:(NSInteger)index;

@optional
- (CFTimeInterval)animationDurationForLineAtIndex:(NSInteger)index;
- (NSString *)titleForLineAtIndex:(NSInteger)index;

Contributing

1. Fork it.
2. Create your feature branch (git checkout -b new-feature).
3. Commit your changes (git commit -am 'Added new-feature').
4. Push to the branch (git push origin new-feature).
5. Create new Pull Request.