public void LoadImageSubsetAsTextures(List <Image> images, ImageToColorArray[] converters, int startIndex, int endIndex, int numThreadsPerImage)
{
try
{
for (int i = startIndex; i < endIndex; i++)
{
Image img = images[i];
Bitmap newBitmap = new Bitmap(img);
ImageToColorArray converter = new ImageToColorArray(newBitmap, numThreadsPerImage);
converters[i] = converter;
converter.Convert();
img = null;
newBitmap = null;
converter = null;
}
System.GC.Collect();
}
catch (Exception e)
{
Debug.LogError(e);
}
}
public IEnumerator LoadImagesAsTextures(List <Image> images, List <Texture2D> textures)
{
int numConverterThreads = 1;
int numThreadsPerImage = 2;
StatusText.SetText("Stage 2: Starting threads to convert images");
yield return(null);
ImageToColorArray[] converters = new ImageToColorArray[images.Count];
int numConvertersPerThread = images.Count / numConverterThreads;
for (int i = 0; i < numConverterThreads; i++)
{
int startIndex = numConvertersPerThread * i;
int endIndex = numConvertersPerThread * (i + 1);
if (i == numConverterThreads - 1)
{
endIndex = images.Count;
}
Debug.LogFormat("Creating converter that starts at index {0} and ends at index {1}", startIndex, endIndex);
ThreadPool.QueueUserWorkItem(new WaitCallback(state => LoadImageSubsetAsTextures(images, converters, startIndex, endIndex, numThreadsPerImage)));
}
StatusText.SetText("Stage 2: Converting images");
yield return(null);
for (int i = 0; i < converters.Length; i++)
{
while (converters[i] == null || !converters[i].IsFinished())
{
yield return(null);
}
}
for (int i = 0; i < converters.Length; i++)
{
ImageToColorArray converter = converters[i];
StatusText.SetText("Stage 3: Saving images:\n" + (i + 1) + " of " + converters.Length);
yield return(null);
Texture2D newTex = new Texture2D(converter.width, converter.height);
UnityEngine.Color[] pixels = converter.GetFinalArray();
Debug.Log("pixels size is: " + pixels.Length);
newTex.SetPixels(pixels);
textures.Add(newTex);
pixels = null;
converters[i] = null;
converter = null;
newTex = null;
}
converters = null;
System.GC.Collect();
}
