鱼眼菜单功能

鱼眼菜单功能：

 

   void  FishEyeMenu_MouseMove(object sender, MouseEventArgs e)

        {

            for(int i = 0 ; i < _images.Count; i++){

                Image image  = _images[i];    



                

                // compute the scale of each image according to the mouse position

                double imageScale = MAX_SCALE - Math.Min(MAX_SCALE - 1, Math.Abs(e.GetPosition(this).X - ((double) image.GetValue(Canvas.LeftProperty) + image.Width / 2)) / MULTIPLIER);

                // resize the image

                resizeImage(image, IMAGE_WIDTH * imageScale, IMAGE_HEIGHT * imageScale, i, IMAGES.Length);



                // sort the children according to the scale

                image.SetValue(Canvas.ZIndexProperty, (int) Math.Round(IMAGE_WIDTH * imageScale));

            }

        }

 

 

 

    // resize the image

        private void resizeImage(Image image, double imageWidth, double imageHeight, int index, int total){

            image.Width = imageWidth;

            image.Height = imageHeight;

            image.SetValue(Canvas.TopProperty, Height / 2 - image.Height / 2);

            double width =  Width / 2 + (index - (total - 1) / 2) * (MARGIN + IMAGE_WIDTH) - image.Width / 2 +100;          

            image.SetValue(Canvas.LeftProperty, width);

        }