Lucashuang0802

- (void)drawOnFitModeWithJson:(NSDictionary *)json
                         path:(OTAnnotationPath *)path {
    
    CGFloat remoteCanvasWidth = [json[@"canvasWidth"] floatValue];
    CGFloat remoteCanvasHeight = [json[@"canvasHeight"] floatValue];
    CGFloat thisCanvasWidth = CGRectGetWidth(self.annotationScrollView.annotationView.bounds);
    CGFloat thisCanvasHeight = CGRectGetHeight(self.annotationScrollView.annotationView.bounds);
    
    // apply scale factor
    // Based on this: http://www.iosres.com/index-legacy.html