public ManagedBitmap CreateTile(ManagedBitmap source, int offsetX, int offsetY, int drawWidth, int drawHeight, int targetWidth, int targetHeight, Profile profile)
{
EnsureStarted(profile);
ManagedBitmap result;
string mapId;
int width, height;
Profile serverProfile;
bool succeeded = false;
profile.Push("Remote call");
ClientServerCommunication.SendMessage(
null /*log*/,
channel,
ClientServerCommunication.Commands.CreateTileGDI,
new object[]
{
(int)Thread.CurrentThread.Priority,
(string)source.BackingName,
(int)source.Width,
(int)source.Height,
(int)offsetX,
(int)offsetY,
(int)drawWidth,
(int)drawHeight,
(int)targetWidth,
(int)targetHeight
});
try
{
ClientServerCommunication.WaitForPending(channel, out serverProfile, out mapId, out width, out height);
profile.Add(serverProfile);
result = new ManagedBitmap32(width, height, mapId);
succeeded = true;
}
catch (ClientServerCommunication.RemoteException)
{
result = ManagedBitmap.CreateFromGDI(new Bitmap(Properties.Resources.InvalidPlaceHolder));
}
profile.Pop();
if (succeeded)
{
profile.Push("Remote call");
ClientServerCommunication.SendMessage(
null /*log*/,
channel,
ClientServerCommunication.Commands.Clear,
null);
ClientServerCommunication.WaitForDone(channel, out serverProfile);
profile.Add(serverProfile);
profile.Pop();
}
return(result);
}
public ManagedBitmap LoadAndOrientGDI(string path, int rightRotations, Profile profile, out RotateFlipType exifOrientation)
{
EnsureStarted(profile);
exifOrientation = RotateFlipType.RotateNoneFlipNone;
ManagedBitmap result;
string mapId;
int width, height;
Profile serverProfile;
bool succeeded = false;
profile.Push("Remote call");
ClientServerCommunication.SendMessage(
null /*log*/,
channel,
ClientServerCommunication.Commands.LoadAndOrientGDI,
new object[]
{
(int)Thread.CurrentThread.Priority,
(string)path,
(int)rightRotations,
});
try
{
object[] extra = ClientServerCommunication.WaitForPending(channel, out serverProfile, out mapId, out width, out height);
exifOrientation = (RotateFlipType)(int)extra[0];
profile.Add(serverProfile);
result = new ManagedBitmap32(width, height, mapId);
succeeded = true;
}
catch (ClientServerCommunication.RemoteException)
{
result = ManagedBitmap.CreateFromGDI(new Bitmap(Properties.Resources.InvalidPlaceHolder));
}
profile.Pop();
if (succeeded)
{
profile.Push("Remote call");
ClientServerCommunication.SendMessage(
null /*log*/,
channel,
ClientServerCommunication.Commands.Clear,
null);
ClientServerCommunication.WaitForDone(channel, out serverProfile);
profile.Add(serverProfile);
profile.Pop();
}
return(result);
}
private static void ResizeGDI(Profile profile, string sourceMapId, int sourceWidth, int sourceHeight, int targetWidth, int targetHeight, out ManagedBitmap targetBitmap)
{
profile.Push("Resize [GDI]");
using (ManagedBitmap source = new ManagedBitmap32(sourceWidth, sourceHeight, sourceMapId))
{
profile.Push("Allocate");
targetBitmap = new ManagedBitmap32(targetWidth, targetHeight);
profile.Pop();
Transforms.Resize(profile, source, targetBitmap);
}
profile.Pop();
}
public ManagedBitmap ShrinkExpandWPF(ManagedBitmap source, double factor, Profile profile)
{
EnsureStarted(profile);
ManagedBitmap result = new ManagedBitmap32(source.Width, source.Height);
profile.Push("Remote call");
ClientServerCommunication.SendMessage(
null /*log*/,
channel,
ClientServerCommunication.Commands.ShrinkExpandWPF,
new object[]
{
(int)Thread.CurrentThread.Priority,
(int)source.Width,
(int)source.Height,
(string)source.BackingName,
(string)result.BackingName,
(double)factor,
});
Profile serverProfile;
ClientServerCommunication.WaitForDone(channel, out serverProfile);
profile.Add(serverProfile);
profile.Pop();
return(result);
}
public Bitmap AsGDI(Profile profile = null)
{
bool pop = false;
try
{
if (gdiBitmap != null)
{
return(gdiBitmap);
}
if (profile != null)
{
profile.Push("SmartBitmap.AsGDI");
pop = true;
}
if (wpfBitmap != null)
{
Bitmap gdiBitmap = new Bitmap(wpfBitmap.PixelWidth, wpfBitmap.PixelHeight, System.Drawing.Imaging.PixelFormat.Format32bppRgb);
ApplyProperties();
BitmapData d = gdiBitmap.LockBits(new Rectangle(0, 0, gdiBitmap.Width, gdiBitmap.Height), ImageLockMode.WriteOnly, ManagedBitmap32.Format);
int * scan0 = (int *)d.Scan0.ToPointer();
int stride = d.Stride;
Debug.Assert(stride > 0);
wpfBitmap.CopyPixels(new System.Windows.Int32Rect(0, 0, gdiBitmap.Width, gdiBitmap.Height), new IntPtr(scan0), stride, 0 /*offset*/);
gdiBitmap.UnlockBits(d);
wpfBitmap = null;
return(gdiBitmap);
}
if (managedBitmap != null)
{
gdiBitmap = managedBitmap.CloneToGDI();
managedBitmap.Dispose();
managedBitmap = null;
return(gdiBitmap);
}
}
finally
{
if ((profile != null) && pop)
{
profile.Pop();
}
}
Debug.Assert(false);
throw new InvalidOperationException();
}
private static void LoadAndOrientGDI(Profile profile, string sourceFilePath, int rightRotations, out ManagedBitmap bitmap, out RotateFlipType exifOrientation)
{
profile.Push("LoadAndOrient [GDI]");
PropertyItem[] properties;
bitmap = Transforms.LoadAndOrientManaged(profile, sourceFilePath, rightRotations, out properties, out exifOrientation);
profile.Pop();
}
public ImageServerProxy ObtainProxy(Profile profile)
{
profile.Push("ObtainProxy");
int which = WaitHandle.WaitAny(proxyGates);
ImageServerProxy result = proxies[which];
profile.Pop();
return(result);
}
public BitmapFrame AsWPF(Profile profile = null)
{
bool pop = false;
try
{
if (wpfBitmap != null)
{
return(wpfBitmap);
}
if (profile != null)
{
profile.Push("SmartBitmap.AsWPF");
pop = true;
}
if (gdiBitmap != null)
{
BitmapData d = gdiBitmap.LockBits(new Rectangle(0, 0, gdiBitmap.Width, gdiBitmap.Height), ImageLockMode.ReadOnly, ManagedBitmap32.Format);
int * scan0 = (int *)d.Scan0.ToPointer();
int stride = d.Stride;
Debug.Assert(stride > 0);
wpfBitmap = (BitmapFrame)BitmapFrame.Create(gdiBitmap.Width, gdiBitmap.Height, 96, 96, PixelFormats.Bgr32, null, new IntPtr(scan0), gdiBitmap.Width * gdiBitmap.Height * 4, stride);
gdiBitmap.UnlockBits(d);
gdiBitmap.Dispose();
gdiBitmap = null;
return(wpfBitmap);
}
if (managedBitmap != null)
{
wpfBitmap = managedBitmap.CloneToWPF();
managedBitmap.Dispose();
managedBitmap = null;
return(wpfBitmap);
}
}
finally
{
if ((profile != null) && pop)
{
profile.Pop();
}
}
Debug.Assert(false);
throw new InvalidOperationException();
}
private static void ShrinkExpandWPF(Profile profile, int width, int height, string sourceMapName, string targetMapName, double factor)
{
profile.Push("ShrinkExpand [WPF]");
using (SmartBitmap source = new SmartBitmap(new ManagedBitmap32(width, height, sourceMapName)))
{
profile.Push("Convert to WPF");
BitmapFrame wpfSource = source.AsWPF();
profile.Pop();
BitmapFrame wpfShrunkExpanded = Transforms.ShrinkExpand(profile, wpfSource, factor);
profile.Push("Convert to Managed");
using (ManagedBitmap target = new ManagedBitmap32(wpfShrunkExpanded, targetMapName)) // copy into shared memory
{
}
profile.Pop();
}
profile.Pop();
}
private static void ShrinkExpandGDI(Profile profile, int width, int height, string sourceMapName, string targetMapName, double factor)
{
profile.Push("ShrinkExpand [GDI]");
using (ManagedBitmap source = new ManagedBitmap32(width, height, sourceMapName))
{
using (ManagedBitmap target = new ManagedBitmap32(width, height, targetMapName))
{
Transforms.ShrinkExpand(profile, source, factor, target);
}
}
profile.Pop();
}
public static ManagedBitmap ShrinkExpandWPF(Profile profile, ManagedBitmap source, double factor)
{
profile.Push("ImageClient.ShrinkExpandWPF");
ImageServerProxy server = serverPool.ObtainProxy(profile);
try
{
ManagedBitmap result = server.ShrinkExpandWPF(source, factor, profile);
return(result);
}
finally
{
serverPool.ReleaseProxy(server);
profile.Pop();
}
}
public static ManagedBitmap CreateTileGDI(Profile profile, ManagedBitmap source, int offsetX, int offsetY, int drawWidth, int drawHeight, int targetWidth, int targetHeight)
{
profile.Push("ImageClient.CreateTileGDI");
ImageServerProxy server = serverPool.ObtainProxy(profile);
try
{
ManagedBitmap result = server.CreateTile(source, offsetX, offsetY, drawWidth, drawHeight, targetWidth, targetHeight, profile);
return(result);
}
finally
{
serverPool.ReleaseProxy(server);
profile.Pop();
}
}
public static ManagedBitmap ResizeGDI(Profile profile, ManagedBitmap source, int targetWidth, int targetHeight)
{
profile.Push("ImageClient.ResizeGDI");
ImageServerProxy server = serverPool.ObtainProxy(profile);
try
{
ManagedBitmap result = server.ResizeGDI(source, targetWidth, targetHeight, profile);
return(result);
}
finally
{
serverPool.ReleaseProxy(server);
profile.Pop();
}
}
public static ManagedBitmap LoadAndOrientGDI(Profile profile, string path, int rightRotations, out RotateFlipType exifOrientation)
{
profile.Push("ImageClient.LoadAndOrientGDI");
ImageServerProxy server = serverPool.ObtainProxy(profile);
try
{
ManagedBitmap result = server.LoadAndOrientGDI(path, rightRotations, profile, out exifOrientation);
return(result);
}
finally
{
serverPool.ReleaseProxy(server);
profile.Pop();
}
}
public ManagedBitmap AsManaged(Profile profile = null)
{
bool pop = false;
try
{
if (managedBitmap != null)
{
return(managedBitmap);
}
if (profile != null)
{
profile.Push("SmartBitmap.AsManaged");
pop = true;
}
if (gdiBitmap != null)
{
managedBitmap = ManagedBitmap.CreateFromGDI(gdiBitmap);
gdiBitmap.Dispose();
gdiBitmap = null;
return(managedBitmap);
}
if (wpfBitmap != null)
{
managedBitmap = new ManagedBitmap32(wpfBitmap);
wpfBitmap = null;
return(managedBitmap);
}
}
finally
{
if ((profile != null) && pop)
{
profile.Pop();
}
}
Debug.Assert(false);
throw new InvalidOperationException();
}
private void EnsureStarted(Profile profile)
{
if (!started)
{
profile.Push("EnsureStarted");
string pipeName = Guid.NewGuid().ToString();
// TODO: security - restrict access to child process
channel = new NamedPipeServerStream(pipeName);
if (!InProc)
{
remote = new Process();
remote.StartInfo.Arguments = String.Format("-server {0}", pipeName);
remote.StartInfo.CreateNoWindow = true;
remote.StartInfo.FileName = Assembly.GetExecutingAssembly().Location;
remote.StartInfo.UseShellExecute = false;
remote.StartInfo.WorkingDirectory = Path.GetTempPath();
remote.Start();
}
else
{
#pragma warning disable CS0162 // unreachable
simulatedRemote = new Thread(new ThreadStart(
delegate()
{
ImageServer.RunServer(pipeName);
}));
simulatedRemote.Name = "ImageServer - InProc";
simulatedRemote.Start();
#pragma warning restore CS0162
}
channel.WaitForConnection();
started = true;
profile.Pop();
}
}
// TODO: untested
private unsafe static void CreateTileGDI(Profile profile, string sourceMapId, int sourceWidth, int sourceHeight, int offsetX, int offsetY, int drawWidth, int drawHeight, int targetWidth, int targetHeight, out ManagedBitmap targetBitmap)
{
profile.Push("CreateTileGDI");
using (ManagedBitmap sourceBitmap = new ManagedBitmap32(sourceWidth, sourceHeight, sourceMapId))
{
using (Bitmap sourceBitmapGDI = new Bitmap(sourceWidth, sourceHeight, sourceBitmap.Stride, sourceBitmap.ImageFormat, new IntPtr(sourceBitmap.Scan0)))
{
targetBitmap = new ManagedBitmap32(targetWidth, targetHeight);
using (Bitmap targetBitmapGDI = new Bitmap(targetWidth, targetHeight, targetBitmap.Stride, targetBitmap.ImageFormat, new IntPtr(targetBitmap.Scan0)))
{
using (Graphics graphics = Graphics.FromImage(targetBitmapGDI))
{
graphics.FillRectangle(System.Drawing.Brushes.Black, 0, 0, targetWidth, targetHeight);
graphics.DrawImage(sourceBitmapGDI, offsetX, offsetY, drawWidth, drawHeight);
}
}
}
}
profile.Pop();
}
// use highest quality transforms and no cached bitmaps
public static void FinalOutputOne(Item item, Stats stats, Dictionary <string, bool> createdFiles, List <string> messages, CancellationTokenSource cancel)
{
Profile profile = new Profile("FinalOutput {0}", item.RenamedFileName);
profile.Push("Item.WaitInit");
item.WaitInit();
profile.Pop();
DateTime originalCreationTime = File.GetCreationTime(item.SourcePath);
DateTime originalLastWriteTime = File.GetLastWriteTime(item.SourcePath);
string renamedTargetPath = Path.Combine(Path.GetDirectoryName(item.TargetPath), item.RenamedFileName);
if (item.Delete)
{
// actual deletion occurs after end of run, by file being omitted from createdFiles
Interlocked.Increment(ref stats.deleted);
}
else if (item.Valid)
{
// load source
string tempFile = Path.GetTempFileName();
File.Copy(item.SourcePath, tempFile, true /*overwrite*/);
SmartBitmap bitmap = null;
bool jpegTranRotationRequired = true;
// initial lossy transforms
if (item.NormalizeGeometry || (item.FineRotateDegrees != 0))
{
if (bitmap == null)
{
bitmap = new SmartBitmap(Transforms.LoadAndOrientGDI(tempFile, profile));
}
jpegTranRotationRequired = false;
if (item.RightRotations != 0)
{
ManagedBitmap bitmap2 = bitmap.AsManaged().RotateFlip(Transforms.RotateFlipFromRightRotations(item.RightRotations));
bitmap.Dispose();
bitmap = new SmartBitmap(bitmap2);
}
Transforms.ApplyNormalizeGeometry(
profile,
item.SourceFileName,
bitmap.AsManaged(),
1,
new Transforms.NormalizeGeometryParameters(
item.CornerTL,
item.CornerTR,
item.CornerBL,
item.CornerBR,
item.NormalizeGeometryForcedAspectRatio,
item.FineRotateDegrees,
item.NormalizeGeometryFinalInterp),
delegate(string text) { },
cancel);
}
// lossless transform phase
if (bitmap == null)
{
List <string> jpegtranMessages = new List <string>();
string error;
bool rotateOK = true;
if (jpegTranRotationRequired &&
((item.RightRotations != 0) || (item.OriginalExifOrientation != RotateFlipType.RotateNoneFlipNone)))
{
rotateOK = false;
int combinedRotations = (item.RightRotations + Transforms.RightRotationsFromRotateFlipType(item.OriginalExifOrientation)) % 4;
// TODO: strip only Exif orientation after doing this - how? (currently strips all)
if (Transforms.LosslessRotateRightFinal(
tempFile,
tempFile,
combinedRotations,
out error))
{
Interlocked.Increment(ref stats.rotated);
rotateOK = true;
}
else
{
jpegtranMessages.Add(String.Format("Lossless rotate failed for \"{0}\" ({1}).", item.RenamedFileName, error));
}
}
bool cropOK = true;
if (!item.CropRect.IsEmpty)
{
cropOK = false;
if (Transforms.LosslessCropFinal(tempFile, tempFile, item.CropRect, out error))
{
Interlocked.Increment(ref stats.cropped);
cropOK = true;
}
else
{
jpegtranMessages.Add(String.Format("Lossless crop failed for \"{0}\" ({1}).", item.RenamedFileName, error));
}
}
if (!rotateOK || !cropOK)
{
// If jpegtran is unable to handle image (e.g. dimensions not integral multiples - as generated by
// some cameras), fall back to lossy rotation and log a message.
bitmap = new SmartBitmap(Transforms.LoadAndOrientGDI(tempFile, profile));
if (!rotateOK)
{
ManagedBitmap bitmap2 = bitmap.AsManaged().RotateFlip(Transforms.RotateFlipFromRightRotations(item.RightRotations));
bitmap.Dispose();
bitmap = new SmartBitmap(bitmap2);
}
if (!cropOK)
{
ManagedBitmap bitmap2 = bitmap.AsManaged().Crop(item.CropRect);
bitmap.Dispose();
bitmap = new SmartBitmap(bitmap2);
}
jpegtranMessages.Add("Using lossy rotation/crop instead.");
lock (messages)
{
messages.Add(String.Join(" ", jpegtranMessages.ToArray()));
}
}
}
else
{
// whoops- preceding transform prevents jpegtran from being used (recreating jpeg would be lossy)
if (!item.CropRect.IsEmpty)
{
ManagedBitmap bitmap2 = bitmap.AsManaged().Crop(item.CropRect);
bitmap.Dispose();
bitmap = new SmartBitmap(bitmap2);
}
}
// following lossy transforms phase
if (item.Unbias)
{
if (bitmap == null)
{
bitmap = new SmartBitmap(Transforms.LoadAndOrientGDI(tempFile, profile));
}
Transforms.PolyUnbiasDiagnostics unused;
Transforms.ApplyPolyUnbias(
profile,
item.RenamedFileName,
bitmap.AsManaged(profile),
Rectangle.Empty /*already cropped*/,
new Transforms.PolyUnbiasParameters(
item.UnbiasMaxDegree,
item.UnbiasMaxChisq,
item.UnbiasMaxS,
item.UnbiasMinV),
null,
out unused,
cancel);
Interlocked.Increment(ref stats.polyUnbias);
}
if (item.BrightAdjust)
{
if (bitmap == null)
{
bitmap = new SmartBitmap(Transforms.LoadAndOrientGDI(tempFile, profile));
}
Transforms.ApplyBrightAdjust(
profile,
item.RenamedFileName,
bitmap.AsManaged(profile),
Rectangle.Empty /*already cropped*/,
new Transforms.BrightAdjustParameters(item.BrightAdjustMinClusterFrac, item.BrightAdjustWhiteCorrect),
null,
cancel);
Interlocked.Increment(ref stats.brightAdjust);
}
if (item.StaticSaturate)
{
if (bitmap == null)
{
bitmap = new SmartBitmap(Transforms.LoadAndOrientGDI(tempFile, profile));
}
Transforms.ApplyStaticSaturation(
profile,
item.RenamedFileName,
bitmap.AsManaged(profile),
Rectangle.Empty /*already cropped*/,
new Transforms.StaticSaturateParameters(item.StaticSaturateWhiteThreshhold, item.StaticSaturateBlackThreshhold, item.StaticSaturateExponent),
cancel);
}
if (item.Shrink)
{
if (bitmap == null)
{
bitmap = new SmartBitmap(Transforms.LoadAndOrientGDI(tempFile, profile));
}
//Bitmap shrunk = Transforms.Shrink(profile, bitmap.AsGDI(profile), item.ShrinkFactor);
int newWidth = (int)Math.Floor(bitmap.Width / item.ShrinkFactor);
int newHeight = (int)Math.Floor(bitmap.Height / item.ShrinkFactor);
ManagedBitmap bitmap2 = ImageClient.ResizeGDI(profile, bitmap.AsManaged(profile), newWidth, newHeight);
bitmap.Dispose();
bitmap = new SmartBitmap(bitmap2);
Interlocked.Increment(ref stats.shrunk);
}
// TODO: eliminate shrink and OneBit's expand if both are configured
if (item.OneBit)
{
if (bitmap == null)
{
bitmap = new SmartBitmap(Transforms.LoadAndOrientGDI(tempFile, profile));
}
SmartBitmap bitmap2 = new SmartBitmap(
Transforms.ApplyOneBit(
profile,
item.RenamedFileName,
bitmap,
new Transforms.OneBitParameters(item.OneBitChannel, item.OneBitThreshhold, item.OneBitScaleUp),
cancel));
bitmap.Dispose();
bitmap = bitmap2;
Interlocked.Increment(ref stats.oneBit);
}
if (bitmap != null)
{
Transforms.SaveImage(profile, bitmap, tempFile, item.JpegQuality, item.JpegUseGdi, item.OutputFormat);
bitmap.Dispose();
}
// write target
string targetPath;
bool extUpper = String.Equals(Path.GetExtension(renamedTargetPath), Path.GetExtension(renamedTargetPath).ToUpper());
switch (item.OutputFormat)
{
default:
Debug.Assert(false);
throw new ArgumentException();
case OutputFormat.Jpeg:
targetPath = Path.ChangeExtension(renamedTargetPath, extUpper ? ".JPG" : ".jpg");
break;
case OutputFormat.Bmp:
targetPath = Path.ChangeExtension(renamedTargetPath, extUpper ? ".BMP" : ".bmp");
break;
case OutputFormat.Png:
targetPath = Path.ChangeExtension(renamedTargetPath, extUpper ? ".PNG" : ".png");
break;
}
for (int i = 0; i <= RetryCount; i++)
{
try
{
File.Copy(tempFile, targetPath, true /*overwrite*/);
File.SetCreationTime(targetPath, originalCreationTime);
File.SetLastWriteTime(targetPath, DateTime.Now);
}
catch (IOException) when(i < RetryCount)
{
// HACK: If folder is open, Explorer may have file locked to refresh thumbnail
Thread.Sleep(SleepRetry);
}
}
lock (createdFiles)
{
createdFiles.Add(Path.GetFileName(targetPath).ToLowerInvariant(), false);
}
File.Delete(tempFile);
}
else
{
lock (createdFiles)
{
createdFiles.Add(Path.GetFileName(renamedTargetPath).ToLowerInvariant(), false);
}
if (!String.Equals(item.SourcePath, renamedTargetPath, StringComparison.OrdinalIgnoreCase))
{
File.Copy(item.SourcePath, renamedTargetPath, true /*overwrite*/);
}
}
profile.End();
Program.Log(LogCat.Perf, profile.Report());
}
public void StartSwapOut(ImageCache cache)
{
lock (this)
{
Debug.Assert(Program.EnableSwap);
if (this.outTask != null)
{
return;
}
if (this.holders.Count != 0)
{
return;
}
Stopwatch elapsed = Stopwatch.StartNew();
#if true // TODO: remove hack
EventWaitHandle swapOutDelay = new EventWaitHandle(false, EventResetMode.AutoReset);
#endif
Task <bool> serializationTask = null;
Task <ManagedBitmap> oldBitmap = this.bitmap;
// 'this' is not locked at the time 'cache' is used below in the task delegates
this.outTask = new Task <bool>(
delegate()
{
Profile profile = new Profile("SwapOut {0}", this.id);
#if true // TODO: remove hack
profile.Push("Hack delay for swapins");
// HACK: wait a little to allow swapins to start before swapouts
EventWaitHandle localSwapOutDelay = Interlocked.Exchange(ref swapOutDelay, null);
if (localSwapOutDelay != null) // race: swapin can grab and clear this before we get here
{
localSwapOutDelay.WaitOne(100);
}
profile.Pop();
//
#endif
profile.Push("WaitSwapOutGate");
cache.WaitSwapOutGate(); // defer to in-flight swapins
profile.Pop();
lock (this)
{
Debug.Assert(this.swapFilePath == null);
Debug.Assert(this.swapFileStream == null);
this.swapFilePath = Path.GetTempFileName();
this.swapFileStream = new FileStream(this.swapFilePath, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite, 4096, FileOptions.DeleteOnClose);
}
profile.Push("oldBitmap.Wait()");
oldBitmap.Wait(); // wait for an old in-flight creation to complete
profile.Pop();
profile.Push("Serialize");
serializationTask = new Task <bool>(
delegate()
{
SetIOPriority(this.swapFileStream, PRIORITY_HINT.IoPriorityHintLow);
ManagedBitmap.Serialize(this.swapFileStream, oldBitmap.Result);
SetIOPriority(this.swapFileStream, PRIORITY_HINT.IoPriorityHintNormal);
return(false);
});
SerializationManager.Manager.EnqueueWriteTask(serializationTask);
serializationTask.Wait();
profile.Pop();
profile.Push("Enqueue oldBitmap");
lock (this)
{
this.oldBitmaps.Add(oldBitmap.Result); // remove current bitmap and enqueue for destruction upon zero refs
}
profile.Pop();
profile.Push("Epilog");
cache.Trace("swapout", this, elapsed);
cache.PurgeDisposeList();
profile.Pop();
profile.End();
//Program.Log(LogCat.Perf, profile.ToString());
return(false);
});
this.bitmap = new Task <ManagedBitmap>(
delegate()
{
Profile profile = new Profile("SwapIn {0}", this.id);
profile.Push("outTask.Wait()");
#if true // TODO: remove hack
// HACK: release delay immediately if swapin is requested
EventWaitHandle localSwapOutDelay = Interlocked.Exchange(ref swapOutDelay, null);
if (localSwapOutDelay != null)
{
localSwapOutDelay.Set();
}
//
#endif
SerializationManager.Manager.Prioritize(serializationTask);
Debug.Assert(this.outTask != null);
this.outTask.Wait(); // ensure in-progress swapout finishes
profile.Pop();
profile.Push("cache.BeginSwapIn()");
cache.BeginSwapIn();
profile.Pop();
try
{
Stopwatch elapsed2 = Stopwatch.StartNew();
Debug.Assert(this.swapFilePath != null);
Debug.Assert(this.swapFileStream != null);
profile.Push("Deserialize");
ManagedBitmap bitmap = null;
Task <bool> deserializationTask = new Task <bool>(
delegate()
{
bitmap = ManagedBitmap.Deserialize(this.swapFileStream);
return(false);
});
SerializationManager.Manager.EnqueueReadTask(deserializationTask);
deserializationTask.Wait();
this.swapFilePath = null;
Stream localSwapFileStream = this.swapFileStream;
this.swapFileStream = null;
localSwapFileStream.Dispose();
this.outTask = null;
profile.Pop();
profile.Push("Epilog");
cache.Trace("swapin", this, elapsed2);
cache.PurgeDisposeList();
StartBitmapCompleteWaiter();
return(bitmap);
}
finally
{
cache.EndSwapIn();
#if true // TODO: remove hack
if (localSwapOutDelay != null)
{
localSwapOutDelay.Dispose();
}
#endif
profile.Pop(); // Epilog - here to include cache.EndSwapIn()
profile.End();
//Program.Log(LogCat.Perf, profile.ToString());
}
});
this.outTask.Start();
}
}
