convertNSBezierPathToJSON

+(NSString*)convertNSBezierPathToJSON:(NSBezierPath*)path {
    NSMutableArray* newPoints=[NSMutableArray array];
    
    NSPoint points[3];
    NSInteger numElements = [path elementCount];
    for (int i = 0; i < numElements; i++)
    {
        NSBezierPathElement element=[path elementAtIndex:i associatedPoints:points];
        switch (element)
        {
            case NSMoveToBezierPathElement:
            {
                NSDictionary* pt= @{
                                    @"t" : [NSNumber numberWithInteger:element],
                                    @"p" : @[[NSNumber numberWithFloat:points[0].x],[NSNumber numberWithFloat:points[0].y]]
                                    };
                
                [newPoints addObject:pt];
            }
                break;
                
            case NSLineToBezierPathElement:
            {
                NSDictionary* pt= @{
                                    @"t" : [NSNumber numberWithInteger:element],
                                    @"p" : @[[NSNumber numberWithFloat:points[0].x],[NSNumber numberWithFloat:points[0].y]]
                                    };
                
                [newPoints addObject:pt];
            }
                break;
                
            case NSCurveToBezierPathElement:
            {
                NSDictionary* pt= @{
                                    @"t" : [NSNumber numberWithInteger:element],
                                    @"p" : @[[NSNumber numberWithFloat:points[0].x],[NSNumber numberWithFloat:points[0].y],[NSNumber numberWithFloat:points[1].x],[NSNumber numberWithFloat:points[1].y],[NSNumber numberWithFloat:points[2].x],[NSNumber numberWithFloat:points[2].y]]
                                    };
                
                [newPoints addObject:pt];
            }
                break;
                
            case NSClosePathBezierPathElement:
            {
                NSDictionary* pt= @{ @"t" : [NSNumber numberWithInteger:element] };
                [newPoints addObject:pt];
            }
                break;
        }
        
        // if(element==NSClosePathBezierPathElement) break;
    }
    
    NSDictionary* pathObject = @{
                                 @"bounds" : @{
                                         @"x" : [NSNumber numberWithFloat:path.bounds.origin.x],
                                         @"y" : [NSNumber numberWithFloat:path.bounds.origin.y],
                                         @"w" : [NSNumber numberWithFloat:path.bounds.size.width],
                                         @"h" : [NSNumber numberWithFloat:path.bounds.size.height]
                                         },
                                 @"cpbounds" : @{
                                         @"x" : [NSNumber numberWithFloat:path.controlPointBounds.origin.x],
                                         @"y" : [NSNumber numberWithFloat:path.controlPointBounds.origin.y],
                                         @"w" : [NSNumber numberWithFloat:path.controlPointBounds.size.width],
                                         @"h" : [NSNumber numberWithFloat:path.controlPointBounds.size.height]
                                         },
                                 @"points" : newPoints
                                 };
    
    NSString* json = nil;
    NSError* error = nil;
    NSData *data = [NSJSONSerialization dataWithJSONObject:pathObject options:0 error:&error];
    json = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
    
    return json;
}