diff --git a/include/gui/SurfaceComposerClient.h b/include/gui/SurfaceComposerClient.h
new file mode 100644
index 0000000..d971031
--- /dev/null
+++ b/include/gui/SurfaceComposerClient.h
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
+#define ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <binder/IBinder.h>
+
+#include <utils/RefBase.h>
+#include <utils/Singleton.h>
+#include <utils/SortedVector.h>
+#include <utils/threads.h>
+
+#include <ui/PixelFormat.h>
+
+#include <gui/Surface.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class DisplayInfo;
+class Composer;
+class IMemoryHeap;
+class ISurfaceComposerClient;
+class Region;
+
+// ---------------------------------------------------------------------------
+
+class SurfaceComposerClient : public RefBase
+{
+    friend class Composer;
+public:    
+                SurfaceComposerClient();
+    virtual     ~SurfaceComposerClient();
+
+    // Always make sure we could initialize
+    status_t    initCheck() const;
+
+    // Return the connection of this client
+    sp<IBinder> connection() const;
+    
+    // Forcibly remove connection before all references have gone away.
+    void        dispose();
+
+    // ------------------------------------------------------------------------
+    // surface creation / destruction
+
+    //! Create a surface
+    sp<SurfaceControl> createSurface(
+            const String8& name,// name of the surface
+            DisplayID display,  // Display to create this surface on
+            uint32_t w,         // width in pixel
+            uint32_t h,         // height in pixel
+            PixelFormat format, // pixel-format desired
+            uint32_t flags = 0  // usage flags
+    );
+
+    sp<SurfaceControl> createSurface(
+            DisplayID display,  // Display to create this surface on
+            uint32_t w,         // width in pixel
+            uint32_t h,         // height in pixel
+            PixelFormat format, // pixel-format desired
+            uint32_t flags = 0  // usage flags
+    );
+
+
+    // ------------------------------------------------------------------------
+    // Composer parameters
+    // All composer parameters must be changed within a transaction
+    // several surfaces can be updated in one transaction, all changes are
+    // committed at once when the transaction is closed.
+    // closeGlobalTransaction() usually requires an IPC with the server.
+
+    //! Open a composer transaction on all active SurfaceComposerClients.
+    static void openGlobalTransaction();
+        
+    //! Close a composer transaction on all active SurfaceComposerClients.
+    static void closeGlobalTransaction(bool synchronous = false);
+    
+    //! Freeze the specified display but not transactions.
+    static status_t freezeDisplay(DisplayID dpy, uint32_t flags = 0);
+        
+    //! Resume updates on the specified display.
+    static status_t unfreezeDisplay(DisplayID dpy, uint32_t flags = 0);
+
+    //! Set the orientation of the given display
+    static int setOrientation(DisplayID dpy, int orientation, uint32_t flags);
+
+    // Query the number of displays
+    static ssize_t getNumberOfDisplays();
+
+    // Get information about a display
+    static status_t getDisplayInfo(DisplayID dpy, DisplayInfo* info);
+    static ssize_t getDisplayWidth(DisplayID dpy);
+    static ssize_t getDisplayHeight(DisplayID dpy);
+    static ssize_t getDisplayOrientation(DisplayID dpy);
+
+    status_t linkToComposerDeath(const sp<IBinder::DeathRecipient>& recipient,
+            void* cookie = NULL, uint32_t flags = 0);
+
+    status_t    hide(SurfaceID id);
+    status_t    show(SurfaceID id, int32_t layer = -1);
+    status_t    freeze(SurfaceID id);
+    status_t    unfreeze(SurfaceID id);
+    status_t    setFlags(SurfaceID id, uint32_t flags, uint32_t mask);
+    status_t    setTransparentRegionHint(SurfaceID id, const Region& transparent);
+    status_t    setLayer(SurfaceID id, int32_t layer);
+    status_t    setAlpha(SurfaceID id, float alpha=1.0f);
+    status_t    setFreezeTint(SurfaceID id, uint32_t tint);
+    status_t    setMatrix(SurfaceID id, float dsdx, float dtdx, float dsdy, float dtdy);
+    status_t    setPosition(SurfaceID id, float x, float y);
+    status_t    setSize(SurfaceID id, uint32_t w, uint32_t h);
+    status_t    destroySurface(SurfaceID sid);
+
+private:
+    virtual void onFirstRef();
+    Composer& getComposer();
+
+    mutable     Mutex                       mLock;
+                status_t                    mStatus;
+                sp<ISurfaceComposerClient>  mClient;
+                Composer&                   mComposer;
+};
+
+// ---------------------------------------------------------------------------
+
+class ScreenshotClient
+{
+    sp<IMemoryHeap> mHeap;
+    uint32_t mWidth;
+    uint32_t mHeight;
+    PixelFormat mFormat;
+public:
+    ScreenshotClient();
+
+    // frees the previous screenshot and capture a new one
+    status_t update();
+    status_t update(uint32_t reqWidth, uint32_t reqHeight);
+    status_t update(uint32_t reqWidth, uint32_t reqHeight,
+            uint32_t minLayerZ, uint32_t maxLayerZ);
+
+    // release memory occupied by the screenshot
+    void release();
+
+    // pixels are valid until this object is freed or
+    // release() or update() is called
+    void const* getPixels() const;
+
+    uint32_t getWidth() const;
+    uint32_t getHeight() const;
+    PixelFormat getFormat() const;
+    uint32_t getStride() const;
+    // size of allocated memory in bytes
+    size_t getSize() const;
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GUI_SURFACE_COMPOSER_CLIENT_H