public void StartTask(ImageToProcessItem imageToProcess)
{
currentTask = imageToProcess;
try
{
CreatePreviewGeneratorForResource(imageToProcess.virtualFileName, out var objectOfPreview, out generator);
if (generator != null)
{
generator.Init(viewport, objectOfPreview);
viewport.Update(true);
//clear temp data
viewport.RenderingContext.MultiRenderTarget_DestroyAll();
viewport.RenderingContext.DynamicTexture_DestroyAll();
texture.Result.GetRealObject(true).BlitTo(viewport.RenderingContext.CurrentViewNumber, textureRead.Result.GetRealObject(true), 0, 0);
demandedFrame = textureRead.Result.GetRealObject(true).Read(imageData, 0);
}
else
{
ClearTask();
}
}
catch (Exception e)
{
Log.Warning(e.Message);
}
}
public void ClearTask()
{
if (viewport != null)
{
viewport.AttachedScene = null;
}
generator?.DetachAndOrDestroyScene();
currentTask = null;
generator = null;
demandedFrame = -1;
}
public static void AddResourceToProcess(string realFileName)
{
try
{
var resourceType = ResourceManager.GetTypeByFileExtension(Path.GetExtension(realFileName));
if (resourceType != null && IsResourceTypeSupported(resourceType))
{
var virtualFileName = VirtualPathUtility.GetVirtualPathByReal(realFileName);
if (!string.IsNullOrEmpty(virtualFileName))
{
//reload already loaded preview
var loadedItem = GetLoadedPreview(virtualFileName);
if (loadedItem != null)
{
loadedItem.needReload = true;
}
//check already added
if (GetImageToProcessItemInQueue(virtualFileName) == null)
{
//too much in queue
if (imagesToProcess.Count < maxQueueOfImagesToProcess)
{
//was added
var item = new ImageToProcessItem();
item.virtualFileName = virtualFileName;
imagesToProcess.Enqueue(item);
}
}
}
}
}
catch (Exception e)
{
Log.Warning("PreviewImagesManager: NeedRefreshResource: " + e.Message);
}
}