public async Task <TextureProfile> GenerateTextureProfileAsync(PixelColor[,] pixelColors, Color transparencyColor, IDialogContext dialogContext, ITaskContext ourTaskContext)
{
ourTaskContext.UpdateMessage("Starting processing of image");
PixelsSource pixelsSource = null;
await dialogContext.AddTask
(
(taskContext) =>
{
taskContext.UpdateMessage("Converting pixels");
pixelsSource = PixelsSource.FromPixelColors(pixelColors);
taskContext.UpdateProgress(100);
}
);
var pixelGroups = pixelsSource.PixelsList.GroupBy(pixel => pixel.PixelColor);
var tasks = new List <Task>();
var modifiedPixelGroups = new List <List <PixelBlob> >();
object mutex = new object();
foreach (var pixelGroup in pixelGroups)
{
if (transparencyColor.IsEqualToPixelColor(pixelGroup.Key))
{
continue;
}
tasks.Add
(
dialogContext.AddTask
(
(taskContext) =>
{
var result = this.ProcessPixelGroup(pixelGroup, pixelsSource, taskContext);
lock (mutex)
{
modifiedPixelGroups.Add(result);
}
}
)
);
}
Task.WaitAll(tasks.ToArray());
ourTaskContext.UpdateProgress(100);
var texture = new TextureProfile()
{
TransparencyColor = transparencyColor.ToPixelColor(),
Blobs = modifiedPixelGroups.SelectMany(x => x).ToList()
};
return(texture);
}
