Moving some files and methods around

> Removing android.util package > Moving static methods and classes out of WallpaperCropActivity > Removing some unused utility methods Change-Id: I252a0655ddce195189b6b3f0bf92970e5808c9d7
2015-02-12 11:19:39 -08:00
parent 14334bda03
commit 06a4d3f1af
10 changed files with 564 additions and 926 deletions
@@ -0,0 +1,405 @@
+/**
+ * Copyright (C) 2015 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.gallery3d.common;
+
+import android.app.WallpaperManager;
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.CompressFormat;
+import android.graphics.BitmapFactory;
+import android.graphics.BitmapRegionDecoder;
+import android.graphics.Canvas;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.graphics.Point;
+import android.graphics.Rect;
+import android.graphics.RectF;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.util.Log;
+
+import java.io.BufferedInputStream;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class BitmapCropTask extends AsyncTask<Void, Void, Boolean> {
+
+    public interface OnBitmapCroppedHandler {
+        public void onBitmapCropped(byte[] imageBytes);
+    }
+
+    private static final int DEFAULT_COMPRESS_QUALITY = 90;
+    private static final String LOGTAG = "BitmapCropTask";
+
+    Uri mInUri = null;
+    Context mContext;
+    String mInFilePath;
+    byte[] mInImageBytes;
+    int mInResId = 0;
+    RectF mCropBounds = null;
+    int mOutWidth, mOutHeight;
+    int mRotation;
+    boolean mSetWallpaper;
+    boolean mSaveCroppedBitmap;
+    Bitmap mCroppedBitmap;
+    Runnable mOnEndRunnable;
+    Resources mResources;
+    BitmapCropTask.OnBitmapCroppedHandler mOnBitmapCroppedHandler;
+    boolean mNoCrop;
+
+    public BitmapCropTask(Context c, String filePath,
+            RectF cropBounds, int rotation, int outWidth, int outHeight,
+            boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) {
+        mContext = c;
+        mInFilePath = filePath;
+        init(cropBounds, rotation,
+                outWidth, outHeight, setWallpaper, saveCroppedBitmap, onEndRunnable);
+    }
+
+    public BitmapCropTask(byte[] imageBytes,
+            RectF cropBounds, int rotation, int outWidth, int outHeight,
+            boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) {
+        mInImageBytes = imageBytes;
+        init(cropBounds, rotation,
+                outWidth, outHeight, setWallpaper, saveCroppedBitmap, onEndRunnable);
+    }
+
+    public BitmapCropTask(Context c, Uri inUri,
+            RectF cropBounds, int rotation, int outWidth, int outHeight,
+            boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) {
+        mContext = c;
+        mInUri = inUri;
+        init(cropBounds, rotation,
+                outWidth, outHeight, setWallpaper, saveCroppedBitmap, onEndRunnable);
+    }
+
+    public BitmapCropTask(Context c, Resources res, int inResId,
+            RectF cropBounds, int rotation, int outWidth, int outHeight,
+            boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) {
+        mContext = c;
+        mInResId = inResId;
+        mResources = res;
+        init(cropBounds, rotation,
+                outWidth, outHeight, setWallpaper, saveCroppedBitmap, onEndRunnable);
+    }
+
+    private void init(RectF cropBounds, int rotation, int outWidth, int outHeight,
+            boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) {
+        mCropBounds = cropBounds;
+        mRotation = rotation;
+        mOutWidth = outWidth;
+        mOutHeight = outHeight;
+        mSetWallpaper = setWallpaper;
+        mSaveCroppedBitmap = saveCroppedBitmap;
+        mOnEndRunnable = onEndRunnable;
+    }
+
+    public void setOnBitmapCropped(BitmapCropTask.OnBitmapCroppedHandler handler) {
+        mOnBitmapCroppedHandler = handler;
+    }
+
+    public void setNoCrop(boolean value) {
+        mNoCrop = value;
+    }
+
+    public void setOnEndRunnable(Runnable onEndRunnable) {
+        mOnEndRunnable = onEndRunnable;
+    }
+
+    // Helper to setup input stream
+    private InputStream regenerateInputStream() {
+        if (mInUri == null && mInResId == 0 && mInFilePath == null && mInImageBytes == null) {
+            Log.w(LOGTAG, "cannot read original file, no input URI, resource ID, or " +
+                    "image byte array given");
+        } else {
+            try {
+                if (mInUri != null) {
+                    return new BufferedInputStream(
+                            mContext.getContentResolver().openInputStream(mInUri));
+                } else if (mInFilePath != null) {
+                    return mContext.openFileInput(mInFilePath);
+                } else if (mInImageBytes != null) {
+                    return new BufferedInputStream(new ByteArrayInputStream(mInImageBytes));
+                } else {
+                    return new BufferedInputStream(mResources.openRawResource(mInResId));
+                }
+            } catch (FileNotFoundException e) {
+                Log.w(LOGTAG, "cannot read file: " + mInUri.toString(), e);
+            }
+        }
+        return null;
+    }
+
+    public Point getImageBounds() {
+        InputStream is = regenerateInputStream();
+        if (is != null) {
+            BitmapFactory.Options options = new BitmapFactory.Options();
+            options.inJustDecodeBounds = true;
+            BitmapFactory.decodeStream(is, null, options);
+            Utils.closeSilently(is);
+            if (options.outWidth != 0 && options.outHeight != 0) {
+                return new Point(options.outWidth, options.outHeight);
+            }
+        }
+        return null;
+    }
+
+    public void setCropBounds(RectF cropBounds) {
+        mCropBounds = cropBounds;
+    }
+
+    public Bitmap getCroppedBitmap() {
+        return mCroppedBitmap;
+    }
+    public boolean cropBitmap() {
+        boolean failure = false;
+
+
+        WallpaperManager wallpaperManager = null;
+        if (mSetWallpaper) {
+            wallpaperManager = WallpaperManager.getInstance(mContext.getApplicationContext());
+        }
+
+
+        if (mSetWallpaper && mNoCrop) {
+            try {
+                InputStream is = regenerateInputStream();
+                if (is != null) {
+                    wallpaperManager.setStream(is);
+                    Utils.closeSilently(is);
+                }
+            } catch (IOException e) {
+                Log.w(LOGTAG, "cannot write stream to wallpaper", e);
+                failure = true;
+            }
+            return !failure;
+        } else {
+            // Find crop bounds (scaled to original image size)
+            Rect roundedTrueCrop = new Rect();
+            Matrix rotateMatrix = new Matrix();
+            Matrix inverseRotateMatrix = new Matrix();
+
+            Point bounds = getImageBounds();
+            if (mRotation > 0) {
+                rotateMatrix.setRotate(mRotation);
+                inverseRotateMatrix.setRotate(-mRotation);
+
+                mCropBounds.roundOut(roundedTrueCrop);
+                mCropBounds = new RectF(roundedTrueCrop);
+
+                if (bounds == null) {
+                    Log.w(LOGTAG, "cannot get bounds for image");
+                    failure = true;
+                    return false;
+                }
+
+                float[] rotatedBounds = new float[] { bounds.x, bounds.y };
+                rotateMatrix.mapPoints(rotatedBounds);
+                rotatedBounds[0] = Math.abs(rotatedBounds[0]);
+                rotatedBounds[1] = Math.abs(rotatedBounds[1]);
+
+                mCropBounds.offset(-rotatedBounds[0]/2, -rotatedBounds[1]/2);
+                inverseRotateMatrix.mapRect(mCropBounds);
+                mCropBounds.offset(bounds.x/2, bounds.y/2);
+
+            }
+
+            mCropBounds.roundOut(roundedTrueCrop);
+
+            if (roundedTrueCrop.width() <= 0 || roundedTrueCrop.height() <= 0) {
+                Log.w(LOGTAG, "crop has bad values for full size image");
+                failure = true;
+                return false;
+            }
+
+            // See how much we're reducing the size of the image
+            int scaleDownSampleSize = Math.max(1, Math.min(roundedTrueCrop.width() / mOutWidth,
+                    roundedTrueCrop.height() / mOutHeight));
+            // Attempt to open a region decoder
+            BitmapRegionDecoder decoder = null;
+            InputStream is = null;
+            try {
+                is = regenerateInputStream();
+                if (is == null) {
+                    Log.w(LOGTAG, "cannot get input stream for uri=" + mInUri.toString());
+                    failure = true;
+                    return false;
+                }
+                decoder = BitmapRegionDecoder.newInstance(is, false);
+                Utils.closeSilently(is);
+            } catch (IOException e) {
+                Log.w(LOGTAG, "cannot open region decoder for file: " + mInUri.toString(), e);
+            } finally {
+               Utils.closeSilently(is);
+               is = null;
+            }
+
+            Bitmap crop = null;
+            if (decoder != null) {
+                // Do region decoding to get crop bitmap
+                BitmapFactory.Options options = new BitmapFactory.Options();
+                if (scaleDownSampleSize > 1) {
+                    options.inSampleSize = scaleDownSampleSize;
+                }
+                crop = decoder.decodeRegion(roundedTrueCrop, options);
+                decoder.recycle();
+            }
+
+            if (crop == null) {
+                // BitmapRegionDecoder has failed, try to crop in-memory
+                is = regenerateInputStream();
+                Bitmap fullSize = null;
+                if (is != null) {
+                    BitmapFactory.Options options = new BitmapFactory.Options();
+                    if (scaleDownSampleSize > 1) {
+                        options.inSampleSize = scaleDownSampleSize;
+                    }
+                    fullSize = BitmapFactory.decodeStream(is, null, options);
+                    Utils.closeSilently(is);
+                }
+                if (fullSize != null) {
+                    // Find out the true sample size that was used by the decoder
+                    scaleDownSampleSize = bounds.x / fullSize.getWidth();
+                    mCropBounds.left /= scaleDownSampleSize;
+                    mCropBounds.top /= scaleDownSampleSize;
+                    mCropBounds.bottom /= scaleDownSampleSize;
+                    mCropBounds.right /= scaleDownSampleSize;
+                    mCropBounds.roundOut(roundedTrueCrop);
+
+                    // Adjust values to account for issues related to rounding
+                    if (roundedTrueCrop.width() > fullSize.getWidth()) {
+                        // Adjust the width
+                        roundedTrueCrop.right = roundedTrueCrop.left + fullSize.getWidth();
+                    }
+                    if (roundedTrueCrop.right > fullSize.getWidth()) {
+                        // Adjust the left value
+                        int adjustment = roundedTrueCrop.left -
+                                Math.max(0, roundedTrueCrop.right - roundedTrueCrop.width());
+                        roundedTrueCrop.left -= adjustment;
+                        roundedTrueCrop.right -= adjustment;
+                    }
+                    if (roundedTrueCrop.height() > fullSize.getHeight()) {
+                        // Adjust the height
+                        roundedTrueCrop.bottom = roundedTrueCrop.top + fullSize.getHeight();
+                    }
+                    if (roundedTrueCrop.bottom > fullSize.getHeight()) {
+                        // Adjust the top value
+                        int adjustment = roundedTrueCrop.top -
+                                Math.max(0, roundedTrueCrop.bottom - roundedTrueCrop.height());
+                        roundedTrueCrop.top -= adjustment;
+                        roundedTrueCrop.bottom -= adjustment;
+                    }
+
+                    crop = Bitmap.createBitmap(fullSize, roundedTrueCrop.left,
+                            roundedTrueCrop.top, roundedTrueCrop.width(),
+                            roundedTrueCrop.height());
+                }
+            }
+
+            if (crop == null) {
+                Log.w(LOGTAG, "cannot decode file: " + mInUri.toString());
+                failure = true;
+                return false;
+            }
+            if (mOutWidth > 0 && mOutHeight > 0 || mRotation > 0) {
+                float[] dimsAfter = new float[] { crop.getWidth(), crop.getHeight() };
+                rotateMatrix.mapPoints(dimsAfter);
+                dimsAfter[0] = Math.abs(dimsAfter[0]);
+                dimsAfter[1] = Math.abs(dimsAfter[1]);
+
+                if (!(mOutWidth > 0 && mOutHeight > 0)) {
+                    mOutWidth = Math.round(dimsAfter[0]);
+                    mOutHeight = Math.round(dimsAfter[1]);
+                }
+
+                RectF cropRect = new RectF(0, 0, dimsAfter[0], dimsAfter[1]);
+                RectF returnRect = new RectF(0, 0, mOutWidth, mOutHeight);
+
+                Matrix m = new Matrix();
+                if (mRotation == 0) {
+                    m.setRectToRect(cropRect, returnRect, Matrix.ScaleToFit.FILL);
+                } else {
+                    Matrix m1 = new Matrix();
+                    m1.setTranslate(-crop.getWidth() / 2f, -crop.getHeight() / 2f);
+                    Matrix m2 = new Matrix();
+                    m2.setRotate(mRotation);
+                    Matrix m3 = new Matrix();
+                    m3.setTranslate(dimsAfter[0] / 2f, dimsAfter[1] / 2f);
+                    Matrix m4 = new Matrix();
+                    m4.setRectToRect(cropRect, returnRect, Matrix.ScaleToFit.FILL);
+
+                    Matrix c1 = new Matrix();
+                    c1.setConcat(m2, m1);
+                    Matrix c2 = new Matrix();
+                    c2.setConcat(m4, m3);
+                    m.setConcat(c2, c1);
+                }
+
+                Bitmap tmp = Bitmap.createBitmap((int) returnRect.width(),
+                        (int) returnRect.height(), Bitmap.Config.ARGB_8888);
+                if (tmp != null) {
+                    Canvas c = new Canvas(tmp);
+                    Paint p = new Paint();
+                    p.setFilterBitmap(true);
+                    c.drawBitmap(crop, m, p);
+                    crop = tmp;
+                }
+            }
+
+            if (mSaveCroppedBitmap) {
+                mCroppedBitmap = crop;
+            }
+
+            // Compress to byte array
+            ByteArrayOutputStream tmpOut = new ByteArrayOutputStream(2048);
+            if (crop.compress(CompressFormat.JPEG, DEFAULT_COMPRESS_QUALITY, tmpOut)) {
+                // If we need to set to the wallpaper, set it
+                if (mSetWallpaper && wallpaperManager != null) {
+                    try {
+                        byte[] outByteArray = tmpOut.toByteArray();
+                        wallpaperManager.setStream(new ByteArrayInputStream(outByteArray));
+                        if (mOnBitmapCroppedHandler != null) {
+                            mOnBitmapCroppedHandler.onBitmapCropped(outByteArray);
+                        }
+                    } catch (IOException e) {
+                        Log.w(LOGTAG, "cannot write stream to wallpaper", e);
+                        failure = true;
+                    }
+                }
+            } else {
+                Log.w(LOGTAG, "cannot compress bitmap");
+                failure = true;
+            }
+        }
+        return !failure; // True if any of the operations failed
+    }
+
+    @Override
+    protected Boolean doInBackground(Void... params) {
+        return cropBitmap();
+    }
+
+    @Override
+    protected void onPostExecute(Boolean result) {
+        if (mOnEndRunnable != null) {
+            mOnEndRunnable.run();
+        }
+    }
+}