public ImageServerProxy ObtainProxy(Profile profile)
{
profile.Push("ObtainProxy");
int which = WaitHandle.WaitAny(proxyGates);
ImageServerProxy result = proxies[which];
profile.Pop();
return(result);
}
public ImageServerPool()
{
int count = !Program.ProfileMode ? Environment.ProcessorCount : 1;
proxies = new ImageServerProxy[count];
proxyGates = new EventWaitHandle[count];
for (int i = 0; i < count; i++)
{
proxies[i] = new ImageServerProxy();
proxyGates[i] = new EventWaitHandle(true /*initially available*/, EventResetMode.AutoReset);
}
}
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 void Dispose()
{
Task <bool>[] disposes = new Task <bool> [proxies.Length];
for (int i = 0; i < proxies.Length; i++)
{
ImageServerProxy proxy = proxies[i];
proxies[i] = null;
EventWaitHandle proxyGate = proxyGates[i];
proxyGates[i] = null;
disposes[i] = new Task <bool>(
delegate()
{
proxy.Dispose();
proxyGate.Dispose();
return(false);
});
disposes[i].Start();
}
Task.WaitAll(disposes);
}
public void ReleaseProxy(ImageServerProxy proxy)
{
int which = Array.IndexOf(proxies, proxy);
proxyGates[which].Set();
}
