public static void WriteToOutputFile(Slideshow slideShow, string outputFile)
{
if (slideShow.slides == null)
{
return;
}
var fileStream = new FileStream(outputFile, FileMode.CreateNew, FileAccess.Write);
if (fileStream == null)
{
throw new Exception("Cannot open the output file.");
}
using (var streamWriter = new StreamWriter(fileStream))
{
streamWriter.WriteLine(slideShow.slideCount);
foreach (var slide in slideShow.slides)
{
streamWriter.WriteLine(String.Join(" ", slide));
}
}
}
public Slideshow MakeSlideshow()
{
Slideshow slideshow = new Slideshow();
slideshow.slides = new List <long[]>();
for (int i = 0; i < Photos.Count; i++)
{
if (Photos[i].addedInSlideshow && Photos[i].type != PhotoType.Vertical)
{
continue;
}
if (Photos[i].type == PhotoType.Horizontal ||
(Photos[i].type == PhotoType.Vertical && !Photos[i].addedInSlideshow))
{
Photos[i].addedInSlideshow = true;
Photo neighbor;
FindHorizontalNeighboringSlide(Photos[i], out neighbor);
if (neighbor != null)
{
if (Photos[i].type == PhotoType.Vertical)
{
slideshow.slides.Add(new long[] { i, Photos.IndexOf(neighbor) });
}
else
{
slideshow.slides.Add(new long[] { Photos.IndexOf(neighbor) });
}
Photos[Photos.IndexOf(neighbor)].addedInSlideshow = true;
}
else
{
Photos[i].addedInSlideshow = false;
}
}
else
{
Photos[i].addedInSlideshow = true;
Photo neighbor;
FindVerticalNeighboringSlide(Photos[0], out neighbor);
if (neighbor != null)
{
if (neighbor.type == PhotoType.Horizontal)
{
slideshow.slides.Add(new long[] { Photos.IndexOf(neighbor) });
}
else
{
slideshow.slides.Add(new long[] { i, Photos.IndexOf(neighbor) });
}
Photos[Photos.IndexOf(neighbor)].addedInSlideshow = true;
}
else
{
Photos[i].addedInSlideshow = false;
}
}
}
slideshow.slideCount = slideshow.slides.Count;
return(slideshow);
}
