public void ProcessPicture(PictureBatch pb, string config)
{
List <Picture> pics = pb.GetPictures(5);
if (!pics.Any())
{
return;
}
//for starters lets use an existing image as the backdrop
Picture pBackdrop = pics.First();
string savePath = System.IO.Path.Combine(Settings.CurrentSettings.CachePath,
string.Format("{0}.jpg", Guid.NewGuid()));
List <Rectangle> existingImages = new List <Rectangle>();
using (Image bmpBackdrop = Image.FromFile(pBackdrop.LocalPath))
{
Graphics g = Graphics.FromImage(bmpBackdrop);
//now get 4 or 5 other pics and strew them about
foreach (Picture p in pics.Skip(1))
{
Picture pPile = p;
using (Bitmap bmpToRotate = (Bitmap)Bitmap.FromFile(pPile.LocalPath))
{
//draw a 5px white border around the image
using (Bitmap bmpWithBorder = PictureManager.AppendBorder(bmpToRotate, 25, Color.White))
{
using (Bitmap bmpPile = PictureManager.RotateImage(bmpWithBorder, (float)_rand.Next(-30, 30)))
{
//pick a random x,y coordinate to draw the image, shrink to 25%
Rectangle r = Rectangle.Empty;
while (r == Rectangle.Empty)
{
Rectangle tmp = new Rectangle(_rand.Next(50, bmpBackdrop.Width - 50),
_rand.Next(50, bmpBackdrop.Height - 50),
Convert.ToInt32(bmpBackdrop.Width * .1),
Convert.ToInt32(bmpBackdrop.Height * .1));
if (existingImages.Where(x => Rectangle.Intersect(x, tmp) != Rectangle.Empty).Count() == 0)
{
r = tmp;
existingImages.Add(r);
}
}
g.DrawImage(bmpPile, r);
}
}
}
}
bmpBackdrop.Save(savePath, System.Drawing.Imaging.ImageFormat.Jpeg);
}
Desktop.SetWallpaperUsingActiveDesktop(savePath);
}
