Revert "Revert "Move wallpaper picker code to a separate directory""

This reverts commit 39de459a8621abfc91382ce7b4cdd37d09aaac12.

3 files changed, 0 insertions, 1649 deletions

diff --git a/src/com/android/photos/views/BlockingGLTextureView.java b/src/com/android/photos/views/BlockingGLTextureView.java
deleted file mode 100644
index 8a0505185..000000000
--- a/src/com/android/photos/views/BlockingGLTextureView.java
+++ /dev/null
@@ -1,438 +0,0 @@
-/*
- * Copyright (C) 2013 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.
- */
-
-package com.android.photos.views;
-
-import android.content.Context;
-import android.graphics.SurfaceTexture;
-import android.opengl.GLSurfaceView.Renderer;
-import android.opengl.GLUtils;
-import android.util.Log;
-import android.view.TextureView;
-import android.view.TextureView.SurfaceTextureListener;
-
-import javax.microedition.khronos.egl.EGL10;
-import javax.microedition.khronos.egl.EGLConfig;
-import javax.microedition.khronos.egl.EGLContext;
-import javax.microedition.khronos.egl.EGLDisplay;
-import javax.microedition.khronos.egl.EGLSurface;
-import javax.microedition.khronos.opengles.GL10;
-
-/**
- * A TextureView that supports blocking rendering for synchronous drawing
- */
-public class BlockingGLTextureView extends TextureView
-        implements SurfaceTextureListener {
-
-    private RenderThread mRenderThread;
-
-    public BlockingGLTextureView(Context context) {
-        super(context);
-        setSurfaceTextureListener(this);
-    }
-
-    public void setRenderer(Renderer renderer) {
-        if (mRenderThread != null) {
-            throw new IllegalArgumentException("Renderer already set");
-        }
-        mRenderThread = new RenderThread(renderer);
-    }
-
-    public void render() {
-        mRenderThread.render();
-    }
-
-    public void destroy() {
-        if (mRenderThread != null) {
-            mRenderThread.finish();
-            mRenderThread = null;
-        }
-    }
-
-    @Override
-    public void onSurfaceTextureAvailable(SurfaceTexture surface, int width,
-            int height) {
-        mRenderThread.setSurface(surface);
-        mRenderThread.setSize(width, height);
-    }
-
-    @Override
-    public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width,
-            int height) {
-        mRenderThread.setSize(width, height);
-    }
-
-    @Override
-    public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
-        if (mRenderThread != null) {
-            mRenderThread.setSurface(null);
-        }
-        return false;
-    }
-
-    @Override
-    public void onSurfaceTextureUpdated(SurfaceTexture surface) {
-    }
-
-    @Override
-    protected void finalize() throws Throwable {
-        try {
-            destroy();
-        } catch (Throwable t) {
-            // Ignore
-        }
-        super.finalize();
-    }
-
-    /**
-     * An EGL helper class.
-     */
-
-    private static class EglHelper {
-        private static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
-        private static final int EGL_OPENGL_ES2_BIT = 4;
-
-        EGL10 mEgl;
-        EGLDisplay mEglDisplay;
-        EGLSurface mEglSurface;
-        EGLConfig mEglConfig;
-        EGLContext mEglContext;
-
-        private EGLConfig chooseEglConfig() {
-            int[] configsCount = new int[1];
-            EGLConfig[] configs = new EGLConfig[1];
-            int[] configSpec = getConfig();
-            if (!mEgl.eglChooseConfig(mEglDisplay, configSpec, configs, 1, configsCount)) {
-                throw new IllegalArgumentException("eglChooseConfig failed " +
-                        GLUtils.getEGLErrorString(mEgl.eglGetError()));
-            } else if (configsCount[0] > 0) {
-                return configs[0];
-            }
-            return null;
-        }
-
-        private static int[] getConfig() {
-            return new int[] {
-                    EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
-                    EGL10.EGL_RED_SIZE, 8,
-                    EGL10.EGL_GREEN_SIZE, 8,
-                    EGL10.EGL_BLUE_SIZE, 8,
-                    EGL10.EGL_ALPHA_SIZE, 8,
-                    EGL10.EGL_DEPTH_SIZE, 0,
-                    EGL10.EGL_STENCIL_SIZE, 0,
-                    EGL10.EGL_NONE
-            };
-        }
-
-        EGLContext createContext(EGL10 egl, EGLDisplay eglDisplay, EGLConfig eglConfig) {
-            int[] attribList = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE };
-            return egl.eglCreateContext(eglDisplay, eglConfig, EGL10.EGL_NO_CONTEXT, attribList);
-        }
-
-        /**
-         * Initialize EGL for a given configuration spec.
-         */
-        public void start() {
-            /*
-             * Get an EGL instance
-             */
-            mEgl = (EGL10) EGLContext.getEGL();
-
-            /*
-             * Get to the default display.
-             */
-            mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
-
-            if (mEglDisplay == EGL10.EGL_NO_DISPLAY) {
-                throw new RuntimeException("eglGetDisplay failed");
-            }
-
-            /*
-             * We can now initialize EGL for that display
-             */
-            int[] version = new int[2];
-            if (!mEgl.eglInitialize(mEglDisplay, version)) {
-                throw new RuntimeException("eglInitialize failed");
-            }
-            mEglConfig = chooseEglConfig();
-
-            /*
-            * Create an EGL context. We want to do this as rarely as we can, because an
-            * EGL context is a somewhat heavy object.
-            */
-            mEglContext = createContext(mEgl, mEglDisplay, mEglConfig);
-
-            if (mEglContext == null || mEglContext == EGL10.EGL_NO_CONTEXT) {
-                mEglContext = null;
-                throwEglException("createContext");
-            }
-
-            mEglSurface = null;
-        }
-
-        /**
-         * Create an egl surface for the current SurfaceTexture surface. If a surface
-         * already exists, destroy it before creating the new surface.
-         *
-         * @return true if the surface was created successfully.
-         */
-        public boolean createSurface(SurfaceTexture surface) {
-            /*
-             * Check preconditions.
-             */
-            if (mEgl == null) {
-                throw new RuntimeException("egl not initialized");
-            }
-            if (mEglDisplay == null) {
-                throw new RuntimeException("eglDisplay not initialized");
-            }
-            if (mEglConfig == null) {
-                throw new RuntimeException("mEglConfig not initialized");
-            }
-
-            /*
-             *  The window size has changed, so we need to create a new
-             *  surface.
-             */
-            destroySurfaceImp();
-
-            /*
-             * Create an EGL surface we can render into.
-             */
-            if (surface != null) {
-                mEglSurface = mEgl.eglCreateWindowSurface(mEglDisplay, mEglConfig, surface, null);
-            } else {
-                mEglSurface = null;
-            }
-
-            if (mEglSurface == null || mEglSurface == EGL10.EGL_NO_SURFACE) {
-                int error = mEgl.eglGetError();
-                if (error == EGL10.EGL_BAD_NATIVE_WINDOW) {
-                    Log.e("EglHelper", "createWindowSurface returned EGL_BAD_NATIVE_WINDOW.");
-                }
-                return false;
-            }
-
-            /*
-             * Before we can issue GL commands, we need to make sure
-             * the context is current and bound to a surface.
-             */
-            if (!mEgl.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) {
-                /*
-                 * Could not make the context current, probably because the underlying
-                 * SurfaceView surface has been destroyed.
-                 */
-                logEglErrorAsWarning("EGLHelper", "eglMakeCurrent", mEgl.eglGetError());
-                return false;
-            }
-
-            return true;
-        }
-
-        /**
-         * Create a GL object for the current EGL context.
-         */
-        public GL10 createGL() {
-            return (GL10) mEglContext.getGL();
-        }
-
-        /**
-         * Display the current render surface.
-         * @return the EGL error code from eglSwapBuffers.
-         */
-        public int swap() {
-            if (!mEgl.eglSwapBuffers(mEglDisplay, mEglSurface)) {
-                return mEgl.eglGetError();
-            }
-            return EGL10.EGL_SUCCESS;
-        }
-
-        public void destroySurface() {
-            destroySurfaceImp();
-        }
-
-        private void destroySurfaceImp() {
-            if (mEglSurface != null && mEglSurface != EGL10.EGL_NO_SURFACE) {
-                mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE,
-                        EGL10.EGL_NO_SURFACE,
-                        EGL10.EGL_NO_CONTEXT);
-                mEgl.eglDestroySurface(mEglDisplay, mEglSurface);
-                mEglSurface = null;
-            }
-        }
-
-        public void finish() {
-            if (mEglContext != null) {
-                mEgl.eglDestroyContext(mEglDisplay, mEglContext);
-                mEglContext = null;
-            }
-            if (mEglDisplay != null) {
-                mEgl.eglTerminate(mEglDisplay);
-                mEglDisplay = null;
-            }
-        }
-
-        private void throwEglException(String function) {
-            throwEglException(function, mEgl.eglGetError());
-        }
-
-        public static void throwEglException(String function, int error) {
-            String message = formatEglError(function, error);
-            throw new RuntimeException(message);
-        }
-
-        public static void logEglErrorAsWarning(String tag, String function, int error) {
-            Log.w(tag, formatEglError(function, error));
-        }
-
-        public static String formatEglError(String function, int error) {
-            return function + " failed: " + error;
-        }
-
-    }
-
-    private static class RenderThread extends Thread {
-        private static final int INVALID = -1;
-        private static final int RENDER = 1;
-        private static final int CHANGE_SURFACE = 2;
-        private static final int RESIZE_SURFACE = 3;
-        private static final int FINISH = 4;
-
-        private EglHelper mEglHelper = new EglHelper();
-
-        private Object mLock = new Object();
-        private int mExecMsgId = INVALID;
-        private SurfaceTexture mSurface;
-        private Renderer mRenderer;
-        private int mWidth, mHeight;
-
-        private boolean mFinished = false;
-        private GL10 mGL;
-
-        public RenderThread(Renderer renderer) {
-            super("RenderThread");
-            mRenderer = renderer;
-            start();
-        }
-
-        private void checkRenderer() {
-            if (mRenderer == null) {
-                throw new IllegalArgumentException("Renderer is null!");
-            }
-        }
-
-        private void checkSurface() {
-            if (mSurface == null) {
-                throw new IllegalArgumentException("surface is null!");
-            }
-        }
-
-        public void setSurface(SurfaceTexture surface) {
-            // If the surface is null we're being torn down, don't need a
-            // renderer then
-            if (surface != null) {
-                checkRenderer();
-            }
-            mSurface = surface;
-            exec(CHANGE_SURFACE);
-        }
-
-        public void setSize(int width, int height) {
-            checkRenderer();
-            checkSurface();
-            mWidth = width;
-            mHeight = height;
-            exec(RESIZE_SURFACE);
-        }
-
-        public void render() {
-            checkRenderer();
-            if (mSurface != null) {
-                exec(RENDER);
-                mSurface.updateTexImage();
-            }
-        }
-
-        public void finish() {
-            mSurface = null;
-            exec(FINISH);
-            try {
-                join();
-            } catch (InterruptedException e) {
-                // Ignore
-            }
-        }
-
-        private void exec(int msgid) {
-            synchronized (mLock) {
-                if (mExecMsgId != INVALID) {
-                    throw new IllegalArgumentException(
-                            "Message already set - multithreaded access?");
-                }
-                mExecMsgId = msgid;
-                mLock.notify();
-                try {
-                    mLock.wait();
-                } catch (InterruptedException e) {
-                    // Ignore
-                }
-            }
-        }
-
-        private void handleMessageLocked(int what) {
-            switch (what) {
-            case CHANGE_SURFACE:
-                if (mEglHelper.createSurface(mSurface)) {
-                    mGL = mEglHelper.createGL();
-                    mRenderer.onSurfaceCreated(mGL, mEglHelper.mEglConfig);
-                }
-                break;
-            case RESIZE_SURFACE:
-                mRenderer.onSurfaceChanged(mGL, mWidth, mHeight);
-                break;
-            case RENDER:
-                mRenderer.onDrawFrame(mGL);
-                mEglHelper.swap();
-                break;
-            case FINISH:
-                mEglHelper.destroySurface();
-                mEglHelper.finish();
-                mFinished = true;
-                break;
-            }
-        }
-
-        @Override
-        public void run() {
-            synchronized (mLock) {
-                mEglHelper.start();
-                while (!mFinished) {
-                    while (mExecMsgId == INVALID) {
-                        try {
-                            mLock.wait();
-                        } catch (InterruptedException e) {
-                            // Ignore
-                        }
-                    }
-                    handleMessageLocked(mExecMsgId);
-                    mExecMsgId = INVALID;
-                    mLock.notify();
-                }
-                mExecMsgId = FINISH;
-            }
-        }
-    }
-}
diff --git a/src/com/android/photos/views/TiledImageRenderer.java b/src/com/android/photos/views/TiledImageRenderer.java
deleted file mode 100644
index c4e493b34..000000000
--- a/src/com/android/photos/views/TiledImageRenderer.java
+++ /dev/null
@@ -1,825 +0,0 @@
-/*
- * Copyright (C) 2013 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.
- */
-
-package com.android.photos.views;
-
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Rect;
-import android.graphics.RectF;
-import android.support.v4.util.LongSparseArray;
-import android.util.DisplayMetrics;
-import android.util.Log;
-import android.util.Pools.Pool;
-import android.util.Pools.SynchronizedPool;
-import android.view.View;
-import android.view.WindowManager;
-
-import com.android.gallery3d.common.Utils;
-import com.android.gallery3d.glrenderer.BasicTexture;
-import com.android.gallery3d.glrenderer.GLCanvas;
-import com.android.gallery3d.glrenderer.UploadedTexture;
-
-/**
- * Handles laying out, decoding, and drawing of tiles in GL
- */
-public class TiledImageRenderer {
-    public static final int SIZE_UNKNOWN = -1;
-
-    private static final String TAG = "TiledImageRenderer";
-    private static final int UPLOAD_LIMIT = 1;
-
-    /*
-     *  This is the tile state in the CPU side.
-     *  Life of a Tile:
-     *      ACTIVATED (initial state)
-     *              --> IN_QUEUE - by queueForDecode()
-     *              --> RECYCLED - by recycleTile()
-     *      IN_QUEUE --> DECODING - by decodeTile()
-     *               --> RECYCLED - by recycleTile)
-     *      DECODING --> RECYCLING - by recycleTile()
-     *               --> DECODED  - by decodeTile()
-     *               --> DECODE_FAIL - by decodeTile()
-     *      RECYCLING --> RECYCLED - by decodeTile()
-     *      DECODED --> ACTIVATED - (after the decoded bitmap is uploaded)
-     *      DECODED --> RECYCLED - by recycleTile()
-     *      DECODE_FAIL -> RECYCLED - by recycleTile()
-     *      RECYCLED --> ACTIVATED - by obtainTile()
-     */
-    private static final int STATE_ACTIVATED = 0x01;
-    private static final int STATE_IN_QUEUE = 0x02;
-    private static final int STATE_DECODING = 0x04;
-    private static final int STATE_DECODED = 0x08;
-    private static final int STATE_DECODE_FAIL = 0x10;
-    private static final int STATE_RECYCLING = 0x20;
-    private static final int STATE_RECYCLED = 0x40;
-
-    private static Pool<Bitmap> sTilePool = new SynchronizedPool<Bitmap>(64);
-
-    // TILE_SIZE must be 2^N
-    private int mTileSize;
-
-    private TileSource mModel;
-    private BasicTexture mPreview;
-    protected int mLevelCount;  // cache the value of mScaledBitmaps.length
-
-    // The mLevel variable indicates which level of bitmap we should use.
-    // Level 0 means the original full-sized bitmap, and a larger value means
-    // a smaller scaled bitmap (The width and height of each scaled bitmap is
-    // half size of the previous one). If the value is in [0, mLevelCount), we
-    // use the bitmap in mScaledBitmaps[mLevel] for display, otherwise the value
-    // is mLevelCount
-    private int mLevel = 0;
-
-    private int mOffsetX;
-    private int mOffsetY;
-
-    private int mUploadQuota;
-    private boolean mRenderComplete;
-
-    private final RectF mSourceRect = new RectF();
-    private final RectF mTargetRect = new RectF();
-
-    private final LongSparseArray<Tile> mActiveTiles = new LongSparseArray<Tile>();
-
-    // The following three queue are guarded by mQueueLock
-    private final Object mQueueLock = new Object();
-    private final TileQueue mRecycledQueue = new TileQueue();
-    private final TileQueue mUploadQueue = new TileQueue();
-    private final TileQueue mDecodeQueue = new TileQueue();
-
-    // The width and height of the full-sized bitmap
-    protected int mImageWidth = SIZE_UNKNOWN;
-    protected int mImageHeight = SIZE_UNKNOWN;
-
-    protected int mCenterX;
-    protected int mCenterY;
-    protected float mScale;
-    protected int mRotation;
-
-    private boolean mLayoutTiles;
-
-    // Temp variables to avoid memory allocation
-    private final Rect mTileRange = new Rect();
-    private final Rect mActiveRange[] = {new Rect(), new Rect()};
-
-    private TileDecoder mTileDecoder;
-    private boolean mBackgroundTileUploaded;
-
-    private int mViewWidth, mViewHeight;
-    private View mParent;
-
-    /**
-     * Interface for providing tiles to a {@link TiledImageRenderer}
-     */
-    public static interface TileSource {
-
-        /**
-         * If the source does not care about the tile size, it should use
-         * {@link TiledImageRenderer#suggestedTileSize(Context)}
-         */
-        public int getTileSize();
-        public int getImageWidth();
-        public int getImageHeight();
-        public int getRotation();
-
-        /**
-         * Return a Preview image if available. This will be used as the base layer
-         * if higher res tiles are not yet available
-         */
-        public BasicTexture getPreview();
-
-        /**
-         * The tile returned by this method can be specified this way: Assuming
-         * the image size is (width, height), first take the intersection of (0,
-         * 0) - (width, height) and (x, y) - (x + tileSize, y + tileSize). If
-         * in extending the region, we found some part of the region is outside
-         * the image, those pixels are filled with black.
-         *
-         * If level > 0, it does the same operation on a down-scaled version of
-         * the original image (down-scaled by a factor of 2^level), but (x, y)
-         * still refers to the coordinate on the original image.
-         *
-         * The method would be called by the decoder thread.
-         */
-        public Bitmap getTile(int level, int x, int y, Bitmap reuse);
-    }
-
-    public static int suggestedTileSize(Context context) {
-        return isHighResolution(context) ? 512 : 256;
-    }
-
-    private static boolean isHighResolution(Context context) {
-        DisplayMetrics metrics = new DisplayMetrics();
-        WindowManager wm = (WindowManager)
-                context.getSystemService(Context.WINDOW_SERVICE);
-        wm.getDefaultDisplay().getMetrics(metrics);
-        return metrics.heightPixels > 2048 ||  metrics.widthPixels > 2048;
-    }
-
-    public TiledImageRenderer(View parent) {
-        mParent = parent;
-        mTileDecoder = new TileDecoder();
-        mTileDecoder.start();
-    }
-
-    public int getViewWidth() {
-        return mViewWidth;
-    }
-
-    public int getViewHeight() {
-        return mViewHeight;
-    }
-
-    private void invalidate() {
-        mParent.postInvalidate();
-    }
-
-    public void setModel(TileSource model, int rotation) {
-        if (mModel != model) {
-            mModel = model;
-            notifyModelInvalidated();
-        }
-        if (mRotation != rotation) {
-            mRotation = rotation;
-            mLayoutTiles = true;
-        }
-    }
-
-    private void calculateLevelCount() {
-        if (mPreview != null) {
-            mLevelCount = Math.max(0, Utils.ceilLog2(
-                mImageWidth / (float) mPreview.getWidth()));
-        } else {
-            int levels = 1;
-            int maxDim = Math.max(mImageWidth, mImageHeight);
-            int t = mTileSize;
-            while (t < maxDim) {
-                t <<= 1;
-                levels++;
-            }
-            mLevelCount = levels;
-        }
-    }
-
-    public void notifyModelInvalidated() {
-        invalidateTiles();
-        if (mModel == null) {
-            mImageWidth = 0;
-            mImageHeight = 0;
-            mLevelCount = 0;
-            mPreview = null;
-        } else {
-            mImageWidth = mModel.getImageWidth();
-            mImageHeight = mModel.getImageHeight();
-            mPreview = mModel.getPreview();
-            mTileSize = mModel.getTileSize();
-            calculateLevelCount();
-        }
-        mLayoutTiles = true;
-    }
-
-    public void setViewSize(int width, int height) {
-        mViewWidth = width;
-        mViewHeight = height;
-    }
-
-    public void setPosition(int centerX, int centerY, float scale) {
-        if (mCenterX == centerX && mCenterY == centerY
-                && mScale == scale) {
-            return;
-        }
-        mCenterX = centerX;
-        mCenterY = centerY;
-        mScale = scale;
-        mLayoutTiles = true;
-    }
-
-    // Prepare the tiles we want to use for display.
-    //
-    // 1. Decide the tile level we want to use for display.
-    // 2. Decide the tile levels we want to keep as texture (in addition to
-    //    the one we use for display).
-    // 3. Recycle unused tiles.
-    // 4. Activate the tiles we want.
-    private void layoutTiles() {
-        if (mViewWidth == 0 || mViewHeight == 0 || !mLayoutTiles) {
-            return;
-        }
-        mLayoutTiles = false;
-
-        // The tile levels we want to keep as texture is in the range
-        // [fromLevel, endLevel).
-        int fromLevel;
-        int endLevel;
-
-        // We want to use a texture larger than or equal to the display size.
-        mLevel = Utils.clamp(Utils.floorLog2(1f / mScale), 0, mLevelCount);
-
-        // We want to keep one more tile level as texture in addition to what
-        // we use for display. So it can be faster when the scale moves to the
-        // next level. We choose the level closest to the current scale.
-        if (mLevel != mLevelCount) {
-            Rect range = mTileRange;
-            getRange(range, mCenterX, mCenterY, mLevel, mScale, mRotation);
-            mOffsetX = Math.round(mViewWidth / 2f + (range.left - mCenterX) * mScale);
-            mOffsetY = Math.round(mViewHeight / 2f + (range.top - mCenterY) * mScale);
-            fromLevel = mScale * (1 << mLevel) > 0.75f ? mLevel - 1 : mLevel;
-        } else {
-            // Activate the tiles of the smallest two levels.
-            fromLevel = mLevel - 2;
-            mOffsetX = Math.round(mViewWidth / 2f - mCenterX * mScale);
-            mOffsetY = Math.round(mViewHeight / 2f - mCenterY * mScale);
-        }
-
-        fromLevel = Math.max(0, Math.min(fromLevel, mLevelCount - 2));
-        endLevel = Math.min(fromLevel + 2, mLevelCount);
-
-        Rect range[] = mActiveRange;
-        for (int i = fromLevel; i < endLevel; ++i) {
-            getRange(range[i - fromLevel], mCenterX, mCenterY, i, mRotation);
-        }
-
-        // If rotation is transient, don't update the tile.
-        if (mRotation % 90 != 0) {
-            return;
-        }
-
-        synchronized (mQueueLock) {
-            mDecodeQueue.clean();
-            mUploadQueue.clean();
-            mBackgroundTileUploaded = false;
-
-            // Recycle unused tiles: if the level of the active tile is outside the
-            // range [fromLevel, endLevel) or not in the visible range.
-            int n = mActiveTiles.size();
-            for (int i = 0; i < n; i++) {
-                Tile tile = mActiveTiles.valueAt(i);
-                int level = tile.mTileLevel;
-                if (level < fromLevel || level >= endLevel
-                        || !range[level - fromLevel].contains(tile.mX, tile.mY)) {
-                    mActiveTiles.removeAt(i);
-                    i--;
-                    n--;
-                    recycleTile(tile);
-                }
-            }
-        }
-
-        for (int i = fromLevel; i < endLevel; ++i) {
-            int size = mTileSize << i;
-            Rect r = range[i - fromLevel];
-            for (int y = r.top, bottom = r.bottom; y < bottom; y += size) {
-                for (int x = r.left, right = r.right; x < right; x += size) {
-                    activateTile(x, y, i);
-                }
-            }
-        }
-        invalidate();
-    }
-
-    private void invalidateTiles() {
-        synchronized (mQueueLock) {
-            mDecodeQueue.clean();
-            mUploadQueue.clean();
-
-            // TODO(xx): disable decoder
-            int n = mActiveTiles.size();
-            for (int i = 0; i < n; i++) {
-                Tile tile = mActiveTiles.valueAt(i);
-                recycleTile(tile);
-            }
-            mActiveTiles.clear();
-        }
-    }
-
-    private void getRange(Rect out, int cX, int cY, int level, int rotation) {
-        getRange(out, cX, cY, level, 1f / (1 << (level + 1)), rotation);
-    }
-
-    // If the bitmap is scaled by the given factor "scale", return the
-    // rectangle containing visible range. The left-top coordinate returned is
-    // aligned to the tile boundary.
-    //
-    // (cX, cY) is the point on the original bitmap which will be put in the
-    // center of the ImageViewer.
-    private void getRange(Rect out,
-            int cX, int cY, int level, float scale, int rotation) {
-
-        double radians = Math.toRadians(-rotation);
-        double w = mViewWidth;
-        double h = mViewHeight;
-
-        double cos = Math.cos(radians);
-        double sin = Math.sin(radians);
-        int width = (int) Math.ceil(Math.max(
-                Math.abs(cos * w - sin * h), Math.abs(cos * w + sin * h)));
-        int height = (int) Math.ceil(Math.max(
-                Math.abs(sin * w + cos * h), Math.abs(sin * w - cos * h)));
-
-        int left = (int) Math.floor(cX - width / (2f * scale));
-        int top = (int) Math.floor(cY - height / (2f * scale));
-        int right = (int) Math.ceil(left + width / scale);
-        int bottom = (int) Math.ceil(top + height / scale);
-
-        // align the rectangle to tile boundary
-        int size = mTileSize << level;
-        left = Math.max(0, size * (left / size));
-        top = Math.max(0, size * (top / size));
-        right = Math.min(mImageWidth, right);
-        bottom = Math.min(mImageHeight, bottom);
-
-        out.set(left, top, right, bottom);
-    }
-
-    public void freeTextures() {
-        mLayoutTiles = true;
-
-        mTileDecoder.finishAndWait();
-        synchronized (mQueueLock) {
-            mUploadQueue.clean();
-            mDecodeQueue.clean();
-            Tile tile = mRecycledQueue.pop();
-            while (tile != null) {
-                tile.recycle();
-                tile = mRecycledQueue.pop();
-            }
-        }
-
-        int n = mActiveTiles.size();
-        for (int i = 0; i < n; i++) {
-            Tile texture = mActiveTiles.valueAt(i);
-            texture.recycle();
-        }
-        mActiveTiles.clear();
-        mTileRange.set(0, 0, 0, 0);
-
-        while (sTilePool.acquire() != null) {}
-    }
-
-    public boolean draw(GLCanvas canvas) {
-        layoutTiles();
-        uploadTiles(canvas);
-
-        mUploadQuota = UPLOAD_LIMIT;
-        mRenderComplete = true;
-
-        int level = mLevel;
-        int rotation = mRotation;
-        int flags = 0;
-        if (rotation != 0) {
-            flags |= GLCanvas.SAVE_FLAG_MATRIX;
-        }
-
-        if (flags != 0) {
-            canvas.save(flags);
-            if (rotation != 0) {
-                int centerX = mViewWidth / 2, centerY = mViewHeight / 2;
-                canvas.translate(centerX, centerY);
-                canvas.rotate(rotation, 0, 0, 1);
-                canvas.translate(-centerX, -centerY);
-            }
-        }
-        try {
-            if (level != mLevelCount) {
-                int size = (mTileSize << level);
-                float length = size * mScale;
-                Rect r = mTileRange;
-
-                for (int ty = r.top, i = 0; ty < r.bottom; ty += size, i++) {
-                    float y = mOffsetY + i * length;
-                    for (int tx = r.left, j = 0; tx < r.right; tx += size, j++) {
-                        float x = mOffsetX + j * length;
-                        drawTile(canvas, tx, ty, level, x, y, length);
-                    }
-                }
-            } else if (mPreview != null) {
-                mPreview.draw(canvas, mOffsetX, mOffsetY,
-                        Math.round(mImageWidth * mScale),
-                        Math.round(mImageHeight * mScale));
-            }
-        } finally {
-            if (flags != 0) {
-                canvas.restore();
-            }
-        }
-
-        if (mRenderComplete) {
-            if (!mBackgroundTileUploaded) {
-                uploadBackgroundTiles(canvas);
-            }
-        } else {
-            invalidate();
-        }
-        return mRenderComplete || mPreview != null;
-    }
-
-    private void uploadBackgroundTiles(GLCanvas canvas) {
-        mBackgroundTileUploaded = true;
-        int n = mActiveTiles.size();
-        for (int i = 0; i < n; i++) {
-            Tile tile = mActiveTiles.valueAt(i);
-            if (!tile.isContentValid()) {
-                queueForDecode(tile);
-            }
-        }
-    }
-
-   private void queueForDecode(Tile tile) {
-       synchronized (mQueueLock) {
-           if (tile.mTileState == STATE_ACTIVATED) {
-               tile.mTileState = STATE_IN_QUEUE;
-               if (mDecodeQueue.push(tile)) {
-                   mQueueLock.notifyAll();
-               }
-           }
-       }
-    }
-
-    private void decodeTile(Tile tile) {
-        synchronized (mQueueLock) {
-            if (tile.mTileState != STATE_IN_QUEUE) {
-                return;
-            }
-            tile.mTileState = STATE_DECODING;
-        }
-        boolean decodeComplete = tile.decode();
-        synchronized (mQueueLock) {
-            if (tile.mTileState == STATE_RECYCLING) {
-                tile.mTileState = STATE_RECYCLED;
-                if (tile.mDecodedTile != null) {
-                    sTilePool.release(tile.mDecodedTile);
-                    tile.mDecodedTile = null;
-                }
-                mRecycledQueue.push(tile);
-                return;
-            }
-            tile.mTileState = decodeComplete ? STATE_DECODED : STATE_DECODE_FAIL;
-            if (!decodeComplete) {
-                return;
-            }
-            mUploadQueue.push(tile);
-        }
-        invalidate();
-    }
-
-    private Tile obtainTile(int x, int y, int level) {
-        synchronized (mQueueLock) {
-            Tile tile = mRecycledQueue.pop();
-            if (tile != null) {
-                tile.mTileState = STATE_ACTIVATED;
-                tile.update(x, y, level);
-                return tile;
-            }
-            return new Tile(x, y, level);
-        }
-    }
-
-    private void recycleTile(Tile tile) {
-        synchronized (mQueueLock) {
-            if (tile.mTileState == STATE_DECODING) {
-                tile.mTileState = STATE_RECYCLING;
-                return;
-            }
-            tile.mTileState = STATE_RECYCLED;
-            if (tile.mDecodedTile != null) {
-                sTilePool.release(tile.mDecodedTile);
-                tile.mDecodedTile = null;
-            }
-            mRecycledQueue.push(tile);
-        }
-    }
-
-    private void activateTile(int x, int y, int level) {
-        long key = makeTileKey(x, y, level);
-        Tile tile = mActiveTiles.get(key);
-        if (tile != null) {
-            if (tile.mTileState == STATE_IN_QUEUE) {
-                tile.mTileState = STATE_ACTIVATED;
-            }
-            return;
-        }
-        tile = obtainTile(x, y, level);
-        mActiveTiles.put(key, tile);
-    }
-
-    private Tile getTile(int x, int y, int level) {
-        return mActiveTiles.get(makeTileKey(x, y, level));
-    }
-
-    private static long makeTileKey(int x, int y, int level) {
-        long result = x;
-        result = (result << 16) | y;
-        result = (result << 16) | level;
-        return result;
-    }
-
-    private void uploadTiles(GLCanvas canvas) {
-        int quota = UPLOAD_LIMIT;
-        Tile tile = null;
-        while (quota > 0) {
-            synchronized (mQueueLock) {
-                tile = mUploadQueue.pop();
-            }
-            if (tile == null) {
-                break;
-            }
-            if (!tile.isContentValid()) {
-                if (tile.mTileState == STATE_DECODED) {
-                    tile.updateContent(canvas);
-                    --quota;
-                } else {
-                    Log.w(TAG, "Tile in upload queue has invalid state: " + tile.mTileState);
-                }
-            }
-        }
-        if (tile != null) {
-            invalidate();
-        }
-    }
-
-    // Draw the tile to a square at canvas that locates at (x, y) and
-    // has a side length of length.
-    private void drawTile(GLCanvas canvas,
-            int tx, int ty, int level, float x, float y, float length) {
-        RectF source = mSourceRect;
-        RectF target = mTargetRect;
-        target.set(x, y, x + length, y + length);
-        source.set(0, 0, mTileSize, mTileSize);
-
-        Tile tile = getTile(tx, ty, level);
-        if (tile != null) {
-            if (!tile.isContentValid()) {
-                if (tile.mTileState == STATE_DECODED) {
-                    if (mUploadQuota > 0) {
-                        --mUploadQuota;
-                        tile.updateContent(canvas);
-                    } else {
-                        mRenderComplete = false;
-                    }
-                } else if (tile.mTileState != STATE_DECODE_FAIL){
-                    mRenderComplete = false;
-                    queueForDecode(tile);
-                }
-            }
-            if (drawTile(tile, canvas, source, target)) {
-                return;
-            }
-        }
-        if (mPreview != null) {
-            int size = mTileSize << level;
-            float scaleX = (float) mPreview.getWidth() / mImageWidth;
-            float scaleY = (float) mPreview.getHeight() / mImageHeight;
-            source.set(tx * scaleX, ty * scaleY, (tx + size) * scaleX,
-                    (ty + size) * scaleY);
-            canvas.drawTexture(mPreview, source, target);
-        }
-    }
-
-    private boolean drawTile(
-            Tile tile, GLCanvas canvas, RectF source, RectF target) {
-        while (true) {
-            if (tile.isContentValid()) {
-                canvas.drawTexture(tile, source, target);
-                return true;
-            }
-
-            // Parent can be divided to four quads and tile is one of the four.
-            Tile parent = tile.getParentTile();
-            if (parent == null) {
-                return false;
-            }
-            if (tile.mX == parent.mX) {
-                source.left /= 2f;
-                source.right /= 2f;
-            } else {
-                source.left = (mTileSize + source.left) / 2f;
-                source.right = (mTileSize + source.right) / 2f;
-            }
-            if (tile.mY == parent.mY) {
-                source.top /= 2f;
-                source.bottom /= 2f;
-            } else {
-                source.top = (mTileSize + source.top) / 2f;
-                source.bottom = (mTileSize + source.bottom) / 2f;
-            }
-            tile = parent;
-        }
-    }
-
-    private class Tile extends UploadedTexture {
-        public int mX;
-        public int mY;
-        public int mTileLevel;
-        public Tile mNext;
-        public Bitmap mDecodedTile;
-        public volatile int mTileState = STATE_ACTIVATED;
-
-        public Tile(int x, int y, int level) {
-            mX = x;
-            mY = y;
-            mTileLevel = level;
-        }
-
-        @Override
-        protected void onFreeBitmap(Bitmap bitmap) {
-            sTilePool.release(bitmap);
-        }
-
-        boolean decode() {
-            // Get a tile from the original image. The tile is down-scaled
-            // by (1 << mTilelevel) from a region in the original image.
-            try {
-                Bitmap reuse = sTilePool.acquire();
-                if (reuse != null && reuse.getWidth() != mTileSize) {
-                    reuse = null;
-                }
-                mDecodedTile = mModel.getTile(mTileLevel, mX, mY, reuse);
-            } catch (Throwable t) {
-                Log.w(TAG, "fail to decode tile", t);
-            }
-            return mDecodedTile != null;
-        }
-
-        @Override
-        protected Bitmap onGetBitmap() {
-            Utils.assertTrue(mTileState == STATE_DECODED);
-
-            // We need to override the width and height, so that we won't
-            // draw beyond the boundaries.
-            int rightEdge = ((mImageWidth - mX) >> mTileLevel);
-            int bottomEdge = ((mImageHeight - mY) >> mTileLevel);
-            setSize(Math.min(mTileSize, rightEdge), Math.min(mTileSize, bottomEdge));
-
-            Bitmap bitmap = mDecodedTile;
-            mDecodedTile = null;
-            mTileState = STATE_ACTIVATED;
-            return bitmap;
-        }
-
-        // We override getTextureWidth() and getTextureHeight() here, so the
-        // texture can be re-used for different tiles regardless of the actual
-        // size of the tile (which may be small because it is a tile at the
-        // boundary).
-        @Override
-        public int getTextureWidth() {
-            return mTileSize;
-        }
-
-        @Override
-        public int getTextureHeight() {
-            return mTileSize;
-        }
-
-        public void update(int x, int y, int level) {
-            mX = x;
-            mY = y;
-            mTileLevel = level;
-            invalidateContent();
-        }
-
-        public Tile getParentTile() {
-            if (mTileLevel + 1 == mLevelCount) {
-                return null;
-            }
-            int size = mTileSize << (mTileLevel + 1);
-            int x = size * (mX / size);
-            int y = size * (mY / size);
-            return getTile(x, y, mTileLevel + 1);
-        }
-
-        @Override
-        public String toString() {
-            return String.format("tile(%s, %s, %s / %s)",
-                    mX / mTileSize, mY / mTileSize, mLevel, mLevelCount);
-        }
-    }
-
-    private static class TileQueue {
-        private Tile mHead;
-
-        public Tile pop() {
-            Tile tile = mHead;
-            if (tile != null) {
-                mHead = tile.mNext;
-            }
-            return tile;
-        }
-
-        public boolean push(Tile tile) {
-            if (contains(tile)) {
-                Log.w(TAG, "Attempting to add a tile already in the queue!");
-                return false;
-            }
-            boolean wasEmpty = mHead == null;
-            tile.mNext = mHead;
-            mHead = tile;
-            return wasEmpty;
-        }
-
-        private boolean contains(Tile tile) {
-            Tile other = mHead;
-            while (other != null) {
-                if (other == tile) {
-                    return true;
-                }
-                other = other.mNext;
-            }
-            return false;
-        }
-
-        public void clean() {
-            mHead = null;
-        }
-    }
-
-    private class TileDecoder extends Thread {
-
-        public void finishAndWait() {
-            interrupt();
-            try {
-                join();
-            } catch (InterruptedException e) {
-                Log.w(TAG, "Interrupted while waiting for TileDecoder thread to finish!");
-            }
-        }
-
-        private Tile waitForTile() throws InterruptedException {
-            synchronized (mQueueLock) {
-                while (true) {
-                    Tile tile = mDecodeQueue.pop();
-                    if (tile != null) {
-                        return tile;
-                    }
-                    mQueueLock.wait();
-                }
-            }
-        }
-
-        @Override
-        public void run() {
-            try {
-                while (!isInterrupted()) {
-                    Tile tile = waitForTile();
-                    decodeTile(tile);
-                }
-            } catch (InterruptedException ex) {
-                // We were finished
-            }
-        }
-
-    }
-}
diff --git a/src/com/android/photos/views/TiledImageView.java b/src/com/android/photos/views/TiledImageView.java
deleted file mode 100644
index af4199c91..000000000
--- a/src/com/android/photos/views/TiledImageView.java
+++ /dev/null
@@ -1,386 +0,0 @@
-/*
- * Copyright (C) 2013 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.
- */
-
-package com.android.photos.views;
-
-import android.annotation.SuppressLint;
-import android.annotation.TargetApi;
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Matrix;
-import android.graphics.Paint;
-import android.graphics.Paint.Align;
-import android.graphics.RectF;
-import android.opengl.GLSurfaceView;
-import android.opengl.GLSurfaceView.Renderer;
-import android.os.Build;
-import android.util.AttributeSet;
-import android.view.Choreographer;
-import android.view.Choreographer.FrameCallback;
-import android.view.View;
-import android.widget.FrameLayout;
-
-import com.android.gallery3d.glrenderer.BasicTexture;
-import com.android.gallery3d.glrenderer.GLES20Canvas;
-import com.android.photos.views.TiledImageRenderer.TileSource;
-
-import javax.microedition.khronos.egl.EGLConfig;
-import javax.microedition.khronos.opengles.GL10;
-
-/**
- * Shows an image using {@link TiledImageRenderer} using either {@link GLSurfaceView}
- * or {@link BlockingGLTextureView}.
- */
-public class TiledImageView extends FrameLayout {
-
-    private static final boolean USE_TEXTURE_VIEW = false;
-    private static final boolean IS_SUPPORTED =
-            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
-    private static final boolean USE_CHOREOGRAPHER =
-            Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN;
-
-    private BlockingGLTextureView mTextureView;
-    private GLSurfaceView mGLSurfaceView;
-    private boolean mInvalPending = false;
-    private FrameCallback mFrameCallback;
-
-    protected static class ImageRendererWrapper {
-        // Guarded by locks
-        public float scale;
-        public int centerX, centerY;
-        public int rotation;
-        public TileSource source;
-        Runnable isReadyCallback;
-
-        // GL thread only
-        TiledImageRenderer image;
-    }
-
-    private float[] mValues = new float[9];
-
-    // -------------------------
-    // Guarded by mLock
-    // -------------------------
-    protected Object mLock = new Object();
-    protected ImageRendererWrapper mRenderer;
-
-    public static boolean isTilingSupported() {
-        return IS_SUPPORTED;
-    }
-
-    public TiledImageView(Context context) {
-        this(context, null);
-    }
-
-    public TiledImageView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        if (!IS_SUPPORTED) {
-            return;
-        }
-
-        mRenderer = new ImageRendererWrapper();
-        mRenderer.image = new TiledImageRenderer(this);
-        View view;
-        if (USE_TEXTURE_VIEW) {
-            mTextureView = new BlockingGLTextureView(context);
-            mTextureView.setRenderer(new TileRenderer());
-            view = mTextureView;
-        } else {
-            mGLSurfaceView = new GLSurfaceView(context);
-            mGLSurfaceView.setEGLContextClientVersion(2);
-            mGLSurfaceView.setRenderer(new TileRenderer());
-            mGLSurfaceView.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
-            view = mGLSurfaceView;
-        }
-        addView(view, new LayoutParams(
-                LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
-        //setTileSource(new ColoredTiles());
-    }
-
-    public void destroy() {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (USE_TEXTURE_VIEW) {
-            mTextureView.destroy();
-        } else {
-            mGLSurfaceView.queueEvent(mFreeTextures);
-        }
-    }
-
-    private Runnable mFreeTextures = new Runnable() {
-
-        @Override
-        public void run() {
-            mRenderer.image.freeTextures();
-        }
-    };
-
-    public void onPause() {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (!USE_TEXTURE_VIEW) {
-            mGLSurfaceView.onPause();
-        }
-    }
-
-    public void onResume() {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (!USE_TEXTURE_VIEW) {
-            mGLSurfaceView.onResume();
-        }
-    }
-
-    public void setTileSource(TileSource source, Runnable isReadyCallback) {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        synchronized (mLock) {
-            mRenderer.source = source;
-            mRenderer.isReadyCallback = isReadyCallback;
-            mRenderer.centerX = source != null ? source.getImageWidth() / 2 : 0;
-            mRenderer.centerY = source != null ? source.getImageHeight() / 2 : 0;
-            mRenderer.rotation = source != null ? source.getRotation() : 0;
-            mRenderer.scale = 0;
-            updateScaleIfNecessaryLocked(mRenderer);
-        }
-        invalidate();
-    }
-
-    @Override
-    protected void onLayout(boolean changed, int left, int top, int right,
-            int bottom) {
-        super.onLayout(changed, left, top, right, bottom);
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        synchronized (mLock) {
-            updateScaleIfNecessaryLocked(mRenderer);
-        }
-    }
-
-    private void updateScaleIfNecessaryLocked(ImageRendererWrapper renderer) {
-        if (renderer == null || renderer.source == null
-                || renderer.scale > 0 || getWidth() == 0) {
-            return;
-        }
-        renderer.scale = Math.min(
-                (float) getWidth() / (float) renderer.source.getImageWidth(),
-                (float) getHeight() / (float) renderer.source.getImageHeight());
-    }
-
-    @Override
-    protected void dispatchDraw(Canvas canvas) {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (USE_TEXTURE_VIEW) {
-            mTextureView.render();
-        }
-        super.dispatchDraw(canvas);
-    }
-
-    @SuppressLint("NewApi")
-    @Override
-    public void setTranslationX(float translationX) {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        super.setTranslationX(translationX);
-    }
-
-    @Override
-    public void invalidate() {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (USE_TEXTURE_VIEW) {
-            super.invalidate();
-            mTextureView.invalidate();
-        } else {
-            if (USE_CHOREOGRAPHER) {
-                invalOnVsync();
-            } else {
-                mGLSurfaceView.requestRender();
-            }
-        }
-    }
-
-    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
-    private void invalOnVsync() {
-        if (!mInvalPending) {
-            mInvalPending = true;
-            if (mFrameCallback == null) {
-                mFrameCallback = new FrameCallback() {
-                    @Override
-                    public void doFrame(long frameTimeNanos) {
-                        mInvalPending = false;
-                        mGLSurfaceView.requestRender();
-                    }
-                };
-            }
-            Choreographer.getInstance().postFrameCallback(mFrameCallback);
-        }
-    }
-
-    private RectF mTempRectF = new RectF();
-    public void positionFromMatrix(Matrix matrix) {
-        if (!IS_SUPPORTED) {
-            return;
-        }
-        if (mRenderer.source != null) {
-            final int rotation = mRenderer.source.getRotation();
-            final boolean swap = !(rotation % 180 == 0);
-            final int width = swap ? mRenderer.source.getImageHeight()
-                    : mRenderer.source.getImageWidth();
-            final int height = swap ? mRenderer.source.getImageWidth()
-                    : mRenderer.source.getImageHeight();
-            mTempRectF.set(0, 0, width, height);
-            matrix.mapRect(mTempRectF);
-            matrix.getValues(mValues);
-            int cx = width / 2;
-            int cy = height / 2;
-            float scale = mValues[Matrix.MSCALE_X];
-            int xoffset = Math.round((getWidth() - mTempRectF.width()) / 2 / scale);
-            int yoffset = Math.round((getHeight() - mTempRectF.height()) / 2 / scale);
-            if (rotation == 90 || rotation == 180) {
-                cx += (mTempRectF.left / scale) - xoffset;
-            } else {
-                cx -= (mTempRectF.left / scale) - xoffset;
-            }
-            if (rotation == 180 || rotation == 270) {
-                cy += (mTempRectF.top / scale) - yoffset;
-            } else {
-                cy -= (mTempRectF.top / scale) - yoffset;
-            }
-            mRenderer.scale = scale;
-            mRenderer.centerX = swap ? cy : cx;
-            mRenderer.centerY = swap ? cx : cy;
-            invalidate();
-        }
-    }
-
-    private class TileRenderer implements Renderer {
-
-        private GLES20Canvas mCanvas;
-
-        @Override
-        public void onSurfaceCreated(GL10 gl, EGLConfig config) {
-            mCanvas = new GLES20Canvas();
-            BasicTexture.invalidateAllTextures();
-            mRenderer.image.setModel(mRenderer.source, mRenderer.rotation);
-        }
-
-        @Override
-        public void onSurfaceChanged(GL10 gl, int width, int height) {
-            mCanvas.setSize(width, height);
-            mRenderer.image.setViewSize(width, height);
-        }
-
-        @Override
-        public void onDrawFrame(GL10 gl) {
-            mCanvas.clearBuffer();
-            Runnable readyCallback;
-            synchronized (mLock) {
-                readyCallback = mRenderer.isReadyCallback;
-                mRenderer.image.setModel(mRenderer.source, mRenderer.rotation);
-                mRenderer.image.setPosition(mRenderer.centerX, mRenderer.centerY,
-                        mRenderer.scale);
-            }
-            boolean complete = mRenderer.image.draw(mCanvas);
-            if (complete && readyCallback != null) {
-                synchronized (mLock) {
-                    // Make sure we don't trample on a newly set callback/source
-                    // if it changed while we were rendering
-                    if (mRenderer.isReadyCallback == readyCallback) {
-                        mRenderer.isReadyCallback = null;
-                    }
-                }
-                if (readyCallback != null) {
-                    post(readyCallback);
-                }
-            }
-        }
-
-    }
-
-    @SuppressWarnings("unused")
-    private static class ColoredTiles implements TileSource {
-        private static final int[] COLORS = new int[] {
-            Color.RED,
-            Color.BLUE,
-            Color.YELLOW,
-            Color.GREEN,
-            Color.CYAN,
-            Color.MAGENTA,
-            Color.WHITE,
-        };
-
-        private Paint mPaint = new Paint();
-        private Canvas mCanvas = new Canvas();
-
-        @Override
-        public int getTileSize() {
-            return 256;
-        }
-
-        @Override
-        public int getImageWidth() {
-            return 16384;
-        }
-
-        @Override
-        public int getImageHeight() {
-            return 8192;
-        }
-
-        @Override
-        public int getRotation() {
-            return 0;
-        }
-
-        @Override
-        public Bitmap getTile(int level, int x, int y, Bitmap bitmap) {
-            int tileSize = getTileSize();
-            if (bitmap == null) {
-                bitmap = Bitmap.createBitmap(tileSize, tileSize,
-                        Bitmap.Config.ARGB_8888);
-            }
-            mCanvas.setBitmap(bitmap);
-            mCanvas.drawColor(COLORS[level]);
-            mPaint.setColor(Color.BLACK);
-            mPaint.setTextSize(20);
-            mPaint.setTextAlign(Align.CENTER);
-            mCanvas.drawText(x + "x" + y, 128, 128, mPaint);
-            tileSize <<= level;
-            x /= tileSize;
-            y /= tileSize;
-            mCanvas.drawText(x + "x" + y + " @ " + level, 128, 30, mPaint);
-            mCanvas.setBitmap(null);
-            return bitmap;
-        }
-
-        @Override
-        public BasicTexture getPreview() {
-            return null;
-        }
-    }
-}