void Bw_DoWork(object sender, DoWorkEventArgs e)
{
List <Slide> s = new List <Slide>();
List <Image> v = new List <Image>();
foreach (Image item in ImageCollection.getImages())
{
if (item.Orientation == 'H')
{
s.Add(new Slide(item));
}
else
{
v.Add(item);
}
}
int verticals = v.Count;
Console.WriteLine("Merge vertical pictures: " + verticals + " of " + ImageCollection.getImages().Count);
while (v.Count > 1)
{
Image first = v.FirstOrDefault();
//maximize non common tags
Image other = v.OrderBy(x => first.Merge(x.Tags).Count).FirstOrDefault(img => img.ID != first.ID);
//was descending first (c: 1.9k -> 2.9k)
s.Add(new Slide(first, other));
v.Remove(first);
v.Remove(other);
bw.ReportProgress((int)Math.Truncate(100 * ((double)(verticals - v.Count) / verticals)));
}
//foreach (Image item in v)
// s.Add(new Slide(item)); // create slides out of all vertical images
Stopwatch.Start();
show = new SlideShow();
Dictionary <string, List <int> > lookup = new Dictionary <string, List <int> >();
for (int i = 0; i < s.Count; i++)
{
foreach (string t in s[i].getTags())
{
if (lookup.ContainsKey(t))
{
lookup[t].Add(i);
}
else
{
lookup[t] = new List <int>()
{
i
}
};
}
}
show.addSlide(s[0]);
int slidesCount = s.Count;
s.RemoveAt(0);
int tmpScore = 0;
int tmpIndex = 0;
Console.WriteLine("Generating Slideshow: ");
List <Slide> subSet = new List <Slide>();
List <int> relevantIndices = new List <int>();
while (s.Count > 0)
{
tmpIndex = 0;
tmpScore = 0;
Slide current = show.Slides.LastOrDefault();
//subSet = s.Where((arg) => arg.getTags().Intersect(current.getTags()).Any()).ToList(); //can sometimes not find slides!
Parallel.ForEach(lookup.Where((arg) => current.getTags().Contains(arg.Key)), (arg1, arg2, arg3) => {
relevantIndices.AddRange(arg1.Value);
});
//subSet = s.Where((arg) => arg.Images.Intersect(lookup.).Any());
//stays the same for a bit, will change ever so slightly, don't recalc everything, remove not good, add new ones (old tags rem, new tags add)
if (subSet.Count > 0)
{
/* Parallel.ForEach(subSet, (arg1, arg2, arg3) => {
* if (current.getScore(arg1) > tmpScore)
* {
* tmpScore = current.getScore(arg1);
* nextSlide = arg1;
* }
* });
* show.addSlide(nextSlide);
* s.Remove(nextSlide);
*/
Parallel.For(0, subSet.Count, (index) =>
{
int sc = current.getScore(subSet[index]);
if (sc > tmpScore)
{
tmpScore = sc;
tmpIndex = index;
}
});
show.Slides.Add(subSet[tmpIndex]);
s.Remove(subSet[tmpIndex]);
}
else
{
Console.WriteLine("No common tags found");
if (show.Slides.Count < s.Count)
{
Console.WriteLine("LOOOOOP");
}
show.Slides.Add(s.FirstOrDefault());
s.RemoveAt(0);
}
bw.ReportProgress((int)Math.Truncate(100 * ((double)show.Slides.Count / slidesCount)));
}
/*for (int i=1; i<s.Count; i++)
* {
* tmpScore = 0;
* tmpIndex = 0;
* Parallel.For(0, show.Slides.Count, (index) =>
* {
* if (show.Slides[index].getScore(s[i]) > tmpScore) {
* tmpScore = show.Slides[index].getScore(s[i]);
* tmpIndex = index;
* }
* });
* show.addSlide(s[i], tmpIndex);
* bw.ReportProgress((int)Math.Truncate(100 * ((double)i / s.Count)));
* } */
Stopwatch.Stop();
Console.WriteLine("Done!\nScore: " + show.getScore());
Console.WriteLine("Time elapsed: " + Stopwatch.Elapsed.ToString());
}
void Bw_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
Console.WriteLine("[" + Stopwatch.Elapsed.ToString() + "]Progresss: " + e.ProgressPercentage);
}
void Bw_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
Console.WriteLine("Complete!");
Console.WriteLine("Saving slideshow to file...");
show.saveToFile();
Console.WriteLine("Done.");
}
}
