#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
#import <UIKit/UIView.h>
#import <UIKit/UIView-Geometry.h>
#import <UIKit/UIView-Gestures.h>
#import <CoreGraphics/CoreGraphics.h>
#import <CoreSurface/CoreSurface.h>
#import <GraphicsServices/GraphicsServices.h>

#import <sys/time.h>

#import "undocumented-api.h"

#define SPRING_FORCE 0.8
#define SPRING_DAMPING 0.1

@interface MyView : UIView
{
  CGFontRef font;
  CGPoint tap;

  struct timeval last;
  double timestamp;

  CGPoint position;
  CGPoint velocity;
  CGPoint force;

  float textWidth;
}

- (void)drawRect:(struct CGRect)rect;
- (void)initFont:(CGContextRef)context;
- (void)mouseDown:(GSEventRef)event;
- (void)mouseUp:(GSEventRef)event;
- (void)mouseDragged:(GSEventRef)event;
- (void)timerFired:(NSTimer *)timer;
- (double)getTimeDifference;

@end