From 06a4d3f1afee2d1069796d585838efbc7a1f491e Mon Sep 17 00:00:00 2001 From: Sunny Goyal Date: Thu, 12 Feb 2015 11:19:39 -0800 Subject: 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 --- WallpaperPicker/src/android/util/Pools.java | 165 ------ .../android/gallery3d/common/BitmapCropTask.java | 405 +++++++++++++++ .../com/android/gallery3d/common/BitmapUtils.java | 243 ++++----- .../src/com/android/gallery3d/common/Utils.java | 271 ++-------- .../android/gallery3d/glrenderer/BasicTexture.java | 1 - .../android/gallery3d/glrenderer/GLES20Canvas.java | 2 - .../com/android/gallery3d/glrenderer/IntArray.java | 60 +++ .../src/com/android/gallery3d/util/IntArray.java | 60 --- .../android/launcher3/WallpaperCropActivity.java | 553 +-------------------- .../android/launcher3/WallpaperPickerActivity.java | 15 +- .../src/com/android/photos/views/Pools.java | 165 ++++++ .../android/photos/views/TiledImageRenderer.java | 4 +- 12 files changed, 791 insertions(+), 1153 deletions(-) delete mode 100644 WallpaperPicker/src/android/util/Pools.java create mode 100644 WallpaperPicker/src/com/android/gallery3d/common/BitmapCropTask.java create mode 100644 WallpaperPicker/src/com/android/gallery3d/glrenderer/IntArray.java delete mode 100644 WallpaperPicker/src/com/android/gallery3d/util/IntArray.java create mode 100644 WallpaperPicker/src/com/android/photos/views/Pools.java (limited to 'WallpaperPicker') diff --git a/WallpaperPicker/src/android/util/Pools.java b/WallpaperPicker/src/android/util/Pools.java deleted file mode 100644 index 40bab1eae..000000000 --- a/WallpaperPicker/src/android/util/Pools.java +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Copyright (C) 2009 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 android.util; - -/** - * Helper class for crating pools of objects. An example use looks like this: - * 
- * public class MyPooledClass {
- *
- *     private static final SynchronizedPool sPool =
- *             new SynchronizedPool(10);
- *
- *     public static MyPooledClass obtain() {
- *         MyPooledClass instance = sPool.acquire();
- *         return (instance != null) ? instance : new MyPooledClass();
- *     }
- *
- *     public void recycle() {
- *          // Clear state if needed.
- *          sPool.release(this);
- *     }
- *
- *     . . .
- * }
- *
- * - * @hide - */ -public final class Pools { - - /** - * Interface for managing a pool of objects. - * - * @param The pooled type. - */ - public static interface Pool { - - /** - * @return An instance from the pool if such, null otherwise. - */ - public T acquire(); - - /** - * Release an instance to the pool. - * - * @param instance The instance to release. - * @return Whether the instance was put in the pool. - * - * @throws IllegalStateException If the instance is already in the pool. - */ - public boolean release(T instance); - } - - private Pools() { - /* do nothing - hiding constructor */ - } - - /** - * Simple (non-synchronized) pool of objects. - * - * @param The pooled type. - */ - public static class SimplePool implements Pool { - private final Object[] mPool; - - private int mPoolSize; - - /** - * Creates a new instance. - * - * @param maxPoolSize The max pool size. - * - * @throws IllegalArgumentException If the max pool size is less than zero. - */ - public SimplePool(int maxPoolSize) { - if (maxPoolSize <= 0) { - throw new IllegalArgumentException("The max pool size must be > 0"); - } - mPool = new Object[maxPoolSize]; - } - - @Override - @SuppressWarnings("unchecked") - public T acquire() { - if (mPoolSize > 0) { - final int lastPooledIndex = mPoolSize - 1; - T instance = (T) mPool[lastPooledIndex]; - mPool[lastPooledIndex] = null; - mPoolSize--; - return instance; - } - return null; - } - - @Override - public boolean release(T instance) { - if (isInPool(instance)) { - throw new IllegalStateException("Already in the pool!"); - } - if (mPoolSize < mPool.length) { - mPool[mPoolSize] = instance; - mPoolSize++; - return true; - } - return false; - } - - private boolean isInPool(T instance) { - for (int i = 0; i < mPoolSize; i++) { - if (mPool[i] == instance) { - return true; - } - } - return false; - } - } - - /** - * Synchronized) pool of objects. - * - * @param The pooled type. - */ - public static class SynchronizedPool extends SimplePool { - private final Object mLock = new Object(); - - /** - * Creates a new instance. - * - * @param maxPoolSize The max pool size. - * - * @throws IllegalArgumentException If the max pool size is less than zero. - */ - public SynchronizedPool(int maxPoolSize) { - super(maxPoolSize); - } - - @Override - public T acquire() { - synchronized (mLock) { - return super.acquire(); - } - } - - @Override - public boolean release(T element) { - synchronized (mLock) { - return super.release(element); - } - } - } -} \ No newline at end of file diff --git a/WallpaperPicker/src/com/android/gallery3d/common/BitmapCropTask.java b/WallpaperPicker/src/com/android/gallery3d/common/BitmapCropTask.java new file mode 100644 index 000000000..45118bf45 --- /dev/null +++ b/WallpaperPicker/src/com/android/gallery3d/common/BitmapCropTask.java @@ -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 { + + 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(); + } + } +} \ No newline at end of file diff --git a/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java b/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java index 6a816d990..347001783 100644 --- a/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java +++ b/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java @@ -16,83 +16,32 @@ package com.android.gallery3d.common; +import android.annotation.TargetApi; +import android.content.Context; +import android.content.res.Resources; import android.graphics.Bitmap; -import android.graphics.Bitmap.CompressFormat; import android.graphics.Canvas; -import android.graphics.Matrix; import android.graphics.Paint; -import android.util.FloatMath; +import android.graphics.Point; +import android.net.Uri; +import android.os.Build; import android.util.Log; +import android.view.WindowManager; -import java.io.ByteArrayOutputStream; +import com.android.gallery3d.exif.ExifInterface; +import com.android.launcher3.WallpaperCropActivity; -public class BitmapUtils { - private static final String TAG = "BitmapUtils"; - private static final int DEFAULT_JPEG_QUALITY = 90; - public static final int UNCONSTRAINED = -1; - - private BitmapUtils(){} - - /* - * Compute the sample size as a function of minSideLength - * and maxNumOfPixels. - * minSideLength is used to specify that minimal width or height of a - * bitmap. - * maxNumOfPixels is used to specify the maximal size in pixels that is - * tolerable in terms of memory usage. - * - * The function returns a sample size based on the constraints. - * Both size and minSideLength can be passed in as UNCONSTRAINED, - * which indicates no care of the corresponding constraint. - * The functions prefers returning a sample size that - * generates a smaller bitmap, unless minSideLength = UNCONSTRAINED. - * - * Also, the function rounds up the sample size to a power of 2 or multiple - * of 8 because BitmapFactory only honors sample size this way. - * For example, BitmapFactory downsamples an image by 2 even though the - * request is 3. So we round up the sample size to avoid OOM. - */ - public static int computeSampleSize(int width, int height, - int minSideLength, int maxNumOfPixels) { - int initialSize = computeInitialSampleSize( - width, height, minSideLength, maxNumOfPixels); - - return initialSize <= 8 - ? Utils.nextPowerOf2(initialSize) - : (initialSize + 7) / 8 * 8; - } - - private static int computeInitialSampleSize(int w, int h, - int minSideLength, int maxNumOfPixels) { - if (maxNumOfPixels == UNCONSTRAINED - && minSideLength == UNCONSTRAINED) return 1; - - int lowerBound = (maxNumOfPixels == UNCONSTRAINED) ? 1 : - (int) FloatMath.ceil(FloatMath.sqrt((float) (w * h) / maxNumOfPixels)); - - if (minSideLength == UNCONSTRAINED) { - return lowerBound; - } else { - int sampleSize = Math.min(w / minSideLength, h / minSideLength); - return Math.max(sampleSize, lowerBound); - } - } +import java.io.BufferedInputStream; +import java.io.IOException; +import java.io.InputStream; - // This computes a sample size which makes the longer side at least - // minSideLength long. If that's not possible, return 1. - public static int computeSampleSizeLarger(int w, int h, - int minSideLength) { - int initialSize = Math.max(w / minSideLength, h / minSideLength); - if (initialSize <= 1) return 1; +public class BitmapUtils { - return initialSize <= 8 - ? Utils.prevPowerOf2(initialSize) - : initialSize / 8 * 8; - } + private static final String TAG = "BitmapUtils"; // Find the min x that 1 / x >= scale public static int computeSampleSizeLarger(float scale) { - int initialSize = (int) FloatMath.floor(1f / scale); + int initialSize = (int) Math.floor(1f / scale); if (initialSize <= 1) return 1; return initialSize <= 8 @@ -100,15 +49,6 @@ public class BitmapUtils { : initialSize / 8 * 8; } - // Find the max x that 1 / x <= scale. - public static int computeSampleSize(float scale) { - Utils.assertTrue(scale > 0); - int initialSize = Math.max(1, (int) FloatMath.ceil(1 / scale)); - return initialSize <= 8 - ? Utils.nextPowerOf2(initialSize) - : (initialSize + 7) / 8 * 8; - } - public static Bitmap resizeBitmapByScale( Bitmap bitmap, float scale, boolean recycle) { int width = Math.round(bitmap.getWidth() * scale); @@ -132,77 +72,104 @@ public class BitmapUtils { return config; } - public static Bitmap resizeDownBySideLength( - Bitmap bitmap, int maxLength, boolean recycle) { - int srcWidth = bitmap.getWidth(); - int srcHeight = bitmap.getHeight(); - float scale = Math.min( - (float) maxLength / srcWidth, (float) maxLength / srcHeight); - if (scale >= 1.0f) return bitmap; - return resizeBitmapByScale(bitmap, scale, recycle); - } - - public static Bitmap resizeAndCropCenter(Bitmap bitmap, int size, boolean recycle) { - int w = bitmap.getWidth(); - int h = bitmap.getHeight(); - if (w == size && h == size) return bitmap; - - // scale the image so that the shorter side equals to the target; - // the longer side will be center-cropped. - float scale = (float) size / Math.min(w, h); - - Bitmap target = Bitmap.createBitmap(size, size, getConfig(bitmap)); - int width = Math.round(scale * bitmap.getWidth()); - int height = Math.round(scale * bitmap.getHeight()); - Canvas canvas = new Canvas(target); - canvas.translate((size - width) / 2f, (size - height) / 2f); - canvas.scale(scale, scale); - Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG | Paint.DITHER_FLAG); - canvas.drawBitmap(bitmap, 0, 0, paint); - if (recycle) bitmap.recycle(); - return target; + /** + * As a ratio of screen height, the total distance we want the parallax effect to span + * horizontally + */ + public static float wallpaperTravelToScreenWidthRatio(int width, int height) { + float aspectRatio = width / (float) height; + + // At an aspect ratio of 16/10, the wallpaper parallax effect should span 1.5 * screen width + // At an aspect ratio of 10/16, the wallpaper parallax effect should span 1.2 * screen width + // We will use these two data points to extrapolate how much the wallpaper parallax effect + // to span (ie travel) at any aspect ratio: + + final float ASPECT_RATIO_LANDSCAPE = 16/10f; + final float ASPECT_RATIO_PORTRAIT = 10/16f; + final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE = 1.5f; + final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT = 1.2f; + + // To find out the desired width at different aspect ratios, we use the following two + // formulas, where the coefficient on x is the aspect ratio (width/height): + // (16/10)x + y = 1.5 + // (10/16)x + y = 1.2 + // We solve for x and y and end up with a final formula: + final float x = + (WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE - WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT) / + (ASPECT_RATIO_LANDSCAPE - ASPECT_RATIO_PORTRAIT); + final float y = WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT - x * ASPECT_RATIO_PORTRAIT; + return x * aspectRatio + y; } - public static void recycleSilently(Bitmap bitmap) { - if (bitmap == null) return; - try { - bitmap.recycle(); - } catch (Throwable t) { - Log.w(TAG, "unable recycle bitmap", t); + private static Point sDefaultWallpaperSize; + + @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) + public static Point getDefaultWallpaperSize(Resources res, WindowManager windowManager) { + if (sDefaultWallpaperSize == null) { + Point minDims = new Point(); + Point maxDims = new Point(); + windowManager.getDefaultDisplay().getCurrentSizeRange(minDims, maxDims); + + int maxDim = Math.max(maxDims.x, maxDims.y); + int minDim = Math.max(minDims.x, minDims.y); + + if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) { + Point realSize = new Point(); + windowManager.getDefaultDisplay().getRealSize(realSize); + maxDim = Math.max(realSize.x, realSize.y); + minDim = Math.min(realSize.x, realSize.y); + } + + // We need to ensure that there is enough extra space in the wallpaper + // for the intended parallax effects + final int defaultWidth, defaultHeight; + if (res.getConfiguration().smallestScreenWidthDp >= 720) { + defaultWidth = (int) (maxDim * wallpaperTravelToScreenWidthRatio(maxDim, minDim)); + defaultHeight = maxDim; + } else { + defaultWidth = Math.max((int) (minDim * WallpaperCropActivity.WALLPAPER_SCREENS_SPAN), maxDim); + defaultHeight = maxDim; + } + sDefaultWallpaperSize = new Point(defaultWidth, defaultHeight); } + return sDefaultWallpaperSize; } - public static Bitmap rotateBitmap(Bitmap source, int rotation, boolean recycle) { - if (rotation == 0) return source; - int w = source.getWidth(); - int h = source.getHeight(); - Matrix m = new Matrix(); - m.postRotate(rotation); - Bitmap bitmap = Bitmap.createBitmap(source, 0, 0, w, h, m, true); - if (recycle) source.recycle(); - return bitmap; - } - - public static byte[] compressToBytes(Bitmap bitmap) { - return compressToBytes(bitmap, DEFAULT_JPEG_QUALITY); + public static int getRotationFromExif(Context context, Uri uri) { + return BitmapUtils.getRotationFromExifHelper(null, 0, context, uri); } - public static byte[] compressToBytes(Bitmap bitmap, int quality) { - ByteArrayOutputStream baos = new ByteArrayOutputStream(65536); - bitmap.compress(CompressFormat.JPEG, quality, baos); - return baos.toByteArray(); + public static int getRotationFromExif(Resources res, int resId) { + return BitmapUtils.getRotationFromExifHelper(res, resId, null, null); } - public static boolean isSupportedByRegionDecoder(String mimeType) { - if (mimeType == null) return false; - mimeType = mimeType.toLowerCase(); - return mimeType.startsWith("image/") && - (!mimeType.equals("image/gif") && !mimeType.endsWith("bmp")); - } - - public static boolean isRotationSupported(String mimeType) { - if (mimeType == null) return false; - mimeType = mimeType.toLowerCase(); - return mimeType.equals("image/jpeg"); + private static int getRotationFromExifHelper(Resources res, int resId, Context context, Uri uri) { + ExifInterface ei = new ExifInterface(); + InputStream is = null; + BufferedInputStream bis = null; + try { + if (uri != null) { + is = context.getContentResolver().openInputStream(uri); + bis = new BufferedInputStream(is); + ei.readExif(bis); + } else { + is = res.openRawResource(resId); + bis = new BufferedInputStream(is); + ei.readExif(bis); + } + Integer ori = ei.getTagIntValue(ExifInterface.TAG_ORIENTATION); + if (ori != null) { + return ExifInterface.getRotationForOrientationValue(ori.shortValue()); + } + } catch (IOException e) { + Log.w(TAG, "Getting exif data failed", e); + } catch (NullPointerException e) { + // Sometimes the ExifInterface has an internal NPE if Exif data isn't valid + Log.w(TAG, "Getting exif data failed", e); + } finally { + Utils.closeSilently(bis); + Utils.closeSilently(is); + } + return 0; } } diff --git a/WallpaperPicker/src/com/android/gallery3d/common/Utils.java b/WallpaperPicker/src/com/android/gallery3d/common/Utils.java index 614a081c8..8466c22cb 100644 --- a/WallpaperPicker/src/com/android/gallery3d/common/Utils.java +++ b/WallpaperPicker/src/com/android/gallery3d/common/Utils.java @@ -16,32 +16,16 @@ package com.android.gallery3d.common; -import android.content.Context; -import android.content.pm.PackageInfo; -import android.content.pm.PackageManager.NameNotFoundException; import android.database.Cursor; -import android.os.Build; +import android.graphics.RectF; import android.os.ParcelFileDescriptor; -import android.text.TextUtils; import android.util.Log; import java.io.Closeable; import java.io.IOException; -import java.io.InterruptedIOException; public class Utils { private static final String TAG = "Utils"; - private static final String DEBUG_TAG = "GalleryDebug"; - - private static final long POLY64REV = 0x95AC9329AC4BC9B5L; - private static final long INITIALCRC = 0xFFFFFFFFFFFFFFFFL; - - private static long[] sCrcTable = new long[256]; - - private static final boolean IS_DEBUG_BUILD = - Build.TYPE.equals("eng") || Build.TYPE.equals("userdebug"); - - private static final String MASK_STRING = "********************************"; // Throws AssertionError if the input is false. public static void assertTrue(boolean cond) { @@ -50,28 +34,6 @@ public class Utils { } } - // Throws AssertionError with the message. We had a method having the form - // assertTrue(boolean cond, String message, Object ... args); - // However a call to that method will cause memory allocation even if the - // condition is false (due to autoboxing generated by "Object ... args"), - // so we don't use that anymore. - public static void fail(String message, Object ... args) { - throw new AssertionError( - args.length == 0 ? message : String.format(message, args)); - } - - // Throws NullPointerException if the input is null. - public static T checkNotNull(T object) { - if (object == null) throw new NullPointerException(); - return object; - } - - // Returns true if two input Object are both null or equal - // to each other. - public static boolean equals(Object a, Object b) { - return (a == b) || (a == null ? false : a.equals(b)); - } - // Returns the next power of two. // Returns the input if it is already power of 2. // Throws IllegalArgumentException if the input is <= 0 or @@ -102,87 +64,6 @@ public class Utils { return x; } - // Returns the input value x clamped to the range [min, max]. - public static float clamp(float x, float min, float max) { - if (x > max) return max; - if (x < min) return min; - return x; - } - - // Returns the input value x clamped to the range [min, max]. - public static long clamp(long x, long min, long max) { - if (x > max) return max; - if (x < min) return min; - return x; - } - - public static boolean isOpaque(int color) { - return color >>> 24 == 0xFF; - } - - public static void swap(int[] array, int i, int j) { - int temp = array[i]; - array[i] = array[j]; - array[j] = temp; - } - - /** - * A function thats returns a 64-bit crc for string - * - * @param in input string - * @return a 64-bit crc value - */ - public static final long crc64Long(String in) { - if (in == null || in.length() == 0) { - return 0; - } - return crc64Long(getBytes(in)); - } - - static { - // http://bioinf.cs.ucl.ac.uk/downloads/crc64/crc64.c - long part; - for (int i = 0; i < 256; i++) { - part = i; - for (int j = 0; j < 8; j++) { - long x = ((int) part & 1) != 0 ? POLY64REV : 0; - part = (part >> 1) ^ x; - } - sCrcTable[i] = part; - } - } - - public static final long crc64Long(byte[] buffer) { - long crc = INITIALCRC; - for (int k = 0, n = buffer.length; k < n; ++k) { - crc = sCrcTable[(((int) crc) ^ buffer[k]) & 0xff] ^ (crc >> 8); - } - return crc; - } - - public static byte[] getBytes(String in) { - byte[] result = new byte[in.length() * 2]; - int output = 0; - for (char ch : in.toCharArray()) { - result[output++] = (byte) (ch & 0xFF); - result[output++] = (byte) (ch >> 8); - } - return result; - } - - public static void closeSilently(Closeable c) { - if (c == null) return; - try { - c.close(); - } catch (IOException t) { - Log.w(TAG, "close fail ", t); - } - } - - public static int compare(long a, long b) { - return a < b ? -1 : a == b ? 0 : 1; - } - public static int ceilLog2(float value) { int i; for (i = 0; i < 31; i++) { @@ -199,6 +80,15 @@ public class Utils { return i - 1; } + public static void closeSilently(Closeable c) { + if (c == null) return; + try { + c.close(); + } catch (IOException t) { + Log.w(TAG, "close fail ", t); + } + } + public static void closeSilently(ParcelFileDescriptor fd) { try { if (fd != null) fd.close(); @@ -215,126 +105,25 @@ public class Utils { } } - public static float interpolateAngle( - float source, float target, float progress) { - // interpolate the angle from source to target - // We make the difference in the range of [-179, 180], this is the - // shortest path to change source to target. - float diff = target - source; - if (diff < 0) diff += 360f; - if (diff > 180) diff -= 360f; - - float result = source + diff * progress; - return result < 0 ? result + 360f : result; - } - - public static float interpolateScale( - float source, float target, float progress) { - return source + progress * (target - source); - } - - public static String ensureNotNull(String value) { - return value == null ? "" : value; - } - - public static float parseFloatSafely(String content, float defaultValue) { - if (content == null) return defaultValue; - try { - return Float.parseFloat(content); - } catch (NumberFormatException e) { - return defaultValue; - } - } - - public static int parseIntSafely(String content, int defaultValue) { - if (content == null) return defaultValue; - try { - return Integer.parseInt(content); - } catch (NumberFormatException e) { - return defaultValue; - } - } - - public static boolean isNullOrEmpty(String exifMake) { - return TextUtils.isEmpty(exifMake); - } - - public static void waitWithoutInterrupt(Object object) { - try { - object.wait(); - } catch (InterruptedException e) { - Log.w(TAG, "unexpected interrupt: " + object); - } - } - - public static boolean handleInterrruptedException(Throwable e) { - // A helper to deal with the interrupt exception - // If an interrupt detected, we will setup the bit again. - if (e instanceof InterruptedIOException - || e instanceof InterruptedException) { - Thread.currentThread().interrupt(); - return true; - } - return false; - } - - /** - * @return String with special XML characters escaped. - */ - public static String escapeXml(String s) { - StringBuilder sb = new StringBuilder(); - for (int i = 0, len = s.length(); i < len; ++i) { - char c = s.charAt(i); - switch (c) { - case '<': sb.append("<"); break; - case '>': sb.append(">"); break; - case '\"': sb.append("""); break; - case '\'': sb.append("'"); break; - case '&': sb.append("&"); break; - default: sb.append(c); - } - } - return sb.toString(); - } - - public static String getUserAgent(Context context) { - PackageInfo packageInfo; - try { - packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0); - } catch (NameNotFoundException e) { - throw new IllegalStateException("getPackageInfo failed"); - } - return String.format("%s/%s; %s/%s/%s/%s; %s/%s/%s", - packageInfo.packageName, - packageInfo.versionName, - Build.BRAND, - Build.DEVICE, - Build.MODEL, - Build.ID, - Build.VERSION.SDK_INT, - Build.VERSION.RELEASE, - Build.VERSION.INCREMENTAL); - } - - public static String[] copyOf(String[] source, int newSize) { - String[] result = new String[newSize]; - newSize = Math.min(source.length, newSize); - System.arraycopy(source, 0, result, 0, newSize); - return result; - } - - // Mask information for debugging only. It returns info.toString() directly - // for debugging build (i.e., 'eng' and 'userdebug') and returns a mask ("****") - // in release build to protect the information (e.g. for privacy issue). - public static String maskDebugInfo(Object info) { - if (info == null) return null; - String s = info.toString(); - int length = Math.min(s.length(), MASK_STRING.length()); - return IS_DEBUG_BUILD ? s : MASK_STRING.substring(0, length); - } - - // This method should be ONLY used for debugging. - public static void debug(String message, Object ... args) { - Log.v(DEBUG_TAG, String.format(message, args)); + public static RectF getMaxCropRect( + int inWidth, int inHeight, int outWidth, int outHeight, boolean leftAligned) { + RectF cropRect = new RectF(); + // Get a crop rect that will fit this + if (inWidth / (float) inHeight > outWidth / (float) outHeight) { + cropRect.top = 0; + cropRect.bottom = inHeight; + cropRect.left = (inWidth - (outWidth / (float) outHeight) * inHeight) / 2; + cropRect.right = inWidth - cropRect.left; + if (leftAligned) { + cropRect.right -= cropRect.left; + cropRect.left = 0; + } + } else { + cropRect.left = 0; + cropRect.right = inWidth; + cropRect.top = (inHeight - (outHeight / (float) outWidth) * inWidth) / 2; + cropRect.bottom = inHeight - cropRect.top; + } + return cropRect; } } diff --git a/WallpaperPicker/src/com/android/gallery3d/glrenderer/BasicTexture.java b/WallpaperPicker/src/com/android/gallery3d/glrenderer/BasicTexture.java index 2e77b903f..0f3efb727 100644 --- a/WallpaperPicker/src/com/android/gallery3d/glrenderer/BasicTexture.java +++ b/WallpaperPicker/src/com/android/gallery3d/glrenderer/BasicTexture.java @@ -27,7 +27,6 @@ import java.util.WeakHashMap; // If a BasicTexture is loaded into GL memory, it has a GL texture id. public abstract class BasicTexture implements Texture { - @SuppressWarnings("unused") private static final String TAG = "BasicTexture"; protected static final int UNSPECIFIED = -1; diff --git a/WallpaperPicker/src/com/android/gallery3d/glrenderer/GLES20Canvas.java b/WallpaperPicker/src/com/android/gallery3d/glrenderer/GLES20Canvas.java index 4ead1315e..8af1f5932 100644 --- a/WallpaperPicker/src/com/android/gallery3d/glrenderer/GLES20Canvas.java +++ b/WallpaperPicker/src/com/android/gallery3d/glrenderer/GLES20Canvas.java @@ -23,8 +23,6 @@ import android.opengl.GLUtils; import android.opengl.Matrix; import android.util.Log; -import com.android.gallery3d.util.IntArray; - import java.nio.Buffer; import java.nio.ByteBuffer; import java.nio.ByteOrder; diff --git a/WallpaperPicker/src/com/android/gallery3d/glrenderer/IntArray.java b/WallpaperPicker/src/com/android/gallery3d/glrenderer/IntArray.java new file mode 100644 index 000000000..f123624d6 --- /dev/null +++ b/WallpaperPicker/src/com/android/gallery3d/glrenderer/IntArray.java @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2010 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.glrenderer; + +public class IntArray { + private static final int INIT_CAPACITY = 8; + + private int mData[] = new int[INIT_CAPACITY]; + private int mSize = 0; + + public void add(int value) { + if (mData.length == mSize) { + int temp[] = new int[mSize + mSize]; + System.arraycopy(mData, 0, temp, 0, mSize); + mData = temp; + } + mData[mSize++] = value; + } + + public int removeLast() { + mSize--; + return mData[mSize]; + } + + public int size() { + return mSize; + } + + // For testing only + public int[] toArray(int[] result) { + if (result == null || result.length < mSize) { + result = new int[mSize]; + } + System.arraycopy(mData, 0, result, 0, mSize); + return result; + } + + public int[] getInternalArray() { + return mData; + } + + public void clear() { + mSize = 0; + if (mData.length != INIT_CAPACITY) mData = new int[INIT_CAPACITY]; + } +} diff --git a/WallpaperPicker/src/com/android/gallery3d/util/IntArray.java b/WallpaperPicker/src/com/android/gallery3d/util/IntArray.java deleted file mode 100644 index 2c4dc2c83..000000000 --- a/WallpaperPicker/src/com/android/gallery3d/util/IntArray.java +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright (C) 2010 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.util; - -public class IntArray { - private static final int INIT_CAPACITY = 8; - - private int mData[] = new int[INIT_CAPACITY]; - private int mSize = 0; - - public void add(int value) { - if (mData.length == mSize) { - int temp[] = new int[mSize + mSize]; - System.arraycopy(mData, 0, temp, 0, mSize); - mData = temp; - } - mData[mSize++] = value; - } - - public int removeLast() { - mSize--; - return mData[mSize]; - } - - public int size() { - return mSize; - } - - // For testing only - public int[] toArray(int[] result) { - if (result == null || result.length < mSize) { - result = new int[mSize]; - } - System.arraycopy(mData, 0, result, 0, mSize); - return result; - } - - public int[] getInternalArray() { - return mData; - } - - public void clear() { - mSize = 0; - if (mData.length != INIT_CAPACITY) mData = new int[INIT_CAPACITY]; - } -} diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java index fa8ec64c2..71c7a161d 100644 --- a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java +++ b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java @@ -16,6 +16,7 @@ package com.android.launcher3; +import android.annotation.TargetApi; import android.app.ActionBar; import android.app.Activity; import android.app.WallpaperManager; @@ -24,43 +25,30 @@ import android.content.Intent; import android.content.SharedPreferences; import android.content.res.Configuration; 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.os.Build; import android.os.Bundle; import android.util.Log; import android.view.Display; import android.view.View; import android.view.WindowManager; import android.widget.Toast; - +import com.android.gallery3d.common.BitmapCropTask; +import com.android.gallery3d.common.BitmapUtils; import com.android.gallery3d.common.Utils; -import com.android.gallery3d.exif.ExifInterface; import com.android.photos.BitmapRegionTileSource; import com.android.photos.BitmapRegionTileSource.BitmapSource; -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 WallpaperCropActivity extends Activity { private static final String LOGTAG = "Launcher3.CropActivity"; protected static final String WALLPAPER_WIDTH_KEY = "wallpaper.width"; protected static final String WALLPAPER_HEIGHT_KEY = "wallpaper.height"; - private static final int DEFAULT_COMPRESS_QUALITY = 90; + /** * The maximum bitmap size we allow to be returned through the intent. * Intents have a maximum of 1MB in total size. However, the Bitmap seems to @@ -69,9 +57,7 @@ public class WallpaperCropActivity extends Activity { * array instead of a Bitmap instance to avoid overhead. */ public static final int MAX_BMAP_IN_INTENT = 750000; - private static final float WALLPAPER_SCREENS_SPAN = 2f; - - protected static Point sDefaultWallpaperSize; + public static final float WALLPAPER_SCREENS_SPAN = 2f; protected CropView mCropView; protected Uri mUri; @@ -205,111 +191,8 @@ public class WallpaperCropActivity extends Activity { return LauncherFiles.WALLPAPER_CROP_PREFERENCES_KEY; } - // As a ratio of screen height, the total distance we want the parallax effect to span - // horizontally - private static float wallpaperTravelToScreenWidthRatio(int width, int height) { - float aspectRatio = width / (float) height; - - // At an aspect ratio of 16/10, the wallpaper parallax effect should span 1.5 * screen width - // At an aspect ratio of 10/16, the wallpaper parallax effect should span 1.2 * screen width - // We will use these two data points to extrapolate how much the wallpaper parallax effect - // to span (ie travel) at any aspect ratio: - - final float ASPECT_RATIO_LANDSCAPE = 16/10f; - final float ASPECT_RATIO_PORTRAIT = 10/16f; - final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE = 1.5f; - final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT = 1.2f; - - // To find out the desired width at different aspect ratios, we use the following two - // formulas, where the coefficient on x is the aspect ratio (width/height): - // (16/10)x + y = 1.5 - // (10/16)x + y = 1.2 - // We solve for x and y and end up with a final formula: - final float x = - (WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE - WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT) / - (ASPECT_RATIO_LANDSCAPE - ASPECT_RATIO_PORTRAIT); - final float y = WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT - x * ASPECT_RATIO_PORTRAIT; - return x * aspectRatio + y; - } - - static protected Point getDefaultWallpaperSize(Resources res, WindowManager windowManager) { - if (sDefaultWallpaperSize == null) { - Point minDims = new Point(); - Point maxDims = new Point(); - windowManager.getDefaultDisplay().getCurrentSizeRange(minDims, maxDims); - - int maxDim = Math.max(maxDims.x, maxDims.y); - int minDim = Math.max(minDims.x, minDims.y); - - if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) { - Point realSize = new Point(); - windowManager.getDefaultDisplay().getRealSize(realSize); - maxDim = Math.max(realSize.x, realSize.y); - minDim = Math.min(realSize.x, realSize.y); - } - - // We need to ensure that there is enough extra space in the wallpaper - // for the intended parallax effects - final int defaultWidth, defaultHeight; - if (isScreenLarge(res)) { - defaultWidth = (int) (maxDim * wallpaperTravelToScreenWidthRatio(maxDim, minDim)); - defaultHeight = maxDim; - } else { - defaultWidth = Math.max((int) (minDim * WALLPAPER_SCREENS_SPAN), maxDim); - defaultHeight = maxDim; - } - sDefaultWallpaperSize = new Point(defaultWidth, defaultHeight); - } - return sDefaultWallpaperSize; - } - - public static int getRotationFromExif(String path) { - return getRotationFromExifHelper(path, null, 0, null, null); - } - - public static int getRotationFromExif(Context context, Uri uri) { - return getRotationFromExifHelper(null, null, 0, context, uri); - } - - public static int getRotationFromExif(Resources res, int resId) { - return getRotationFromExifHelper(null, res, resId, null, null); - } - - private static int getRotationFromExifHelper( - String path, Resources res, int resId, Context context, Uri uri) { - ExifInterface ei = new ExifInterface(); - InputStream is = null; - BufferedInputStream bis = null; - try { - if (path != null) { - ei.readExif(path); - } else if (uri != null) { - is = context.getContentResolver().openInputStream(uri); - bis = new BufferedInputStream(is); - ei.readExif(bis); - } else { - is = res.openRawResource(resId); - bis = new BufferedInputStream(is); - ei.readExif(bis); - } - Integer ori = ei.getTagIntValue(ExifInterface.TAG_ORIENTATION); - if (ori != null) { - return ExifInterface.getRotationForOrientationValue(ori.shortValue()); - } - } catch (IOException e) { - Log.w(LOGTAG, "Getting exif data failed", e); - } catch (NullPointerException e) { - // Sometimes the ExifInterface has an internal NPE if Exif data isn't valid - Log.w(LOGTAG, "Getting exif data failed", e); - } finally { - Utils.closeSilently(bis); - Utils.closeSilently(is); - } - return 0; - } - protected void setWallpaper(Uri uri, final boolean finishActivityWhenDone) { - int rotation = getRotationFromExif(this, uri); + int rotation = BitmapUtils.getRotationFromExif(this, uri); BitmapCropTask cropTask = new BitmapCropTask( this, uri, null, rotation, 0, 0, true, false, null); final Point bounds = cropTask.getImageBounds(); @@ -331,11 +214,11 @@ public class WallpaperCropActivity extends Activity { Resources res, int resId, final boolean finishActivityWhenDone) { // crop this image and scale it down to the default wallpaper size for // this device - int rotation = getRotationFromExif(res, resId); + int rotation = BitmapUtils.getRotationFromExif(res, resId); Point inSize = mCropView.getSourceDimensions(); - Point outSize = getDefaultWallpaperSize(getResources(), + Point outSize = BitmapUtils.getDefaultWallpaperSize(getResources(), getWindowManager()); - RectF crop = getMaxCropRect( + RectF crop = Utils.getMaxCropRect( inSize.x, inSize.y, outSize.x, outSize.y, false); Runnable onEndCrop = new Runnable() { public void run() { @@ -353,13 +236,9 @@ public class WallpaperCropActivity extends Activity { cropTask.execute(); } - private static boolean isScreenLarge(Resources res) { - Configuration config = res.getConfiguration(); - return config.smallestScreenWidthDp >= 720; - } - + @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) protected void cropImageAndSetWallpaper(Uri uri, - OnBitmapCroppedHandler onBitmapCroppedHandler, final boolean finishActivityWhenDone) { + BitmapCropTask.OnBitmapCroppedHandler onBitmapCroppedHandler, final boolean finishActivityWhenDone) { boolean centerCrop = getResources().getBoolean(R.bool.center_crop); // Get the crop boolean ltr = mCropView.getLayoutDirection() == View.LAYOUT_DIRECTION_LTR; @@ -370,7 +249,7 @@ public class WallpaperCropActivity extends Activity { d.getSize(displaySize); boolean isPortrait = displaySize.x < displaySize.y; - Point defaultWallpaperSize = getDefaultWallpaperSize(getResources(), + Point defaultWallpaperSize = BitmapUtils.getDefaultWallpaperSize(getResources(), getWindowManager()); // Get the crop RectF cropRect = mCropView.getCrop(); @@ -452,372 +331,6 @@ public class WallpaperCropActivity extends Activity { cropTask.execute(); } - public interface OnBitmapCroppedHandler { - public void onBitmapCropped(byte[] imageBytes); - } - - protected static class BitmapCropTask extends AsyncTask { - Uri mInUri = null; - Context mContext; - String mInFilePath; - byte[] mInImageBytes; - int mInResId = 0; - RectF mCropBounds = null; - int mOutWidth, mOutHeight; - int mRotation; - String mOutputFormat = "jpg"; // for now - boolean mSetWallpaper; - boolean mSaveCroppedBitmap; - Bitmap mCroppedBitmap; - Runnable mOnEndRunnable; - Resources mResources; - 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(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; - } - - // Get output compression format - CompressFormat cf = - convertExtensionToCompressFormat(getFileExtension(mOutputFormat)); - - // Compress to byte array - ByteArrayOutputStream tmpOut = new ByteArrayOutputStream(2048); - if (crop.compress(cf, 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(); - } - } - } - protected void updateWallpaperDimensions(int width, int height) { String spKey = getSharedPreferencesKey(); SharedPreferences sp = getSharedPreferences(spKey, Context.MODE_MULTI_PROCESS); @@ -835,11 +348,11 @@ public class WallpaperCropActivity extends Activity { sp, getWindowManager(), WallpaperManager.getInstance(this), true); } - static public void suggestWallpaperDimension(Resources res, + public static void suggestWallpaperDimension(Resources res, final SharedPreferences sharedPrefs, WindowManager windowManager, final WallpaperManager wallpaperManager, boolean fallBackToDefaults) { - final Point defaultWallpaperSize = getDefaultWallpaperSize(res, windowManager); + final Point defaultWallpaperSize = BitmapUtils.getDefaultWallpaperSize(res, windowManager); // If we have saved a wallpaper width/height, use that instead int savedWidth = sharedPrefs.getInt(WALLPAPER_WIDTH_KEY, -1); @@ -859,40 +372,4 @@ public class WallpaperCropActivity extends Activity { wallpaperManager.suggestDesiredDimensions(savedWidth, savedHeight); } } - - protected static RectF getMaxCropRect( - int inWidth, int inHeight, int outWidth, int outHeight, boolean leftAligned) { - RectF cropRect = new RectF(); - // Get a crop rect that will fit this - if (inWidth / (float) inHeight > outWidth / (float) outHeight) { - cropRect.top = 0; - cropRect.bottom = inHeight; - cropRect.left = (inWidth - (outWidth / (float) outHeight) * inHeight) / 2; - cropRect.right = inWidth - cropRect.left; - if (leftAligned) { - cropRect.right -= cropRect.left; - cropRect.left = 0; - } - } else { - cropRect.left = 0; - cropRect.right = inWidth; - cropRect.top = (inHeight - (outHeight / (float) outWidth) * inWidth) / 2; - cropRect.bottom = inHeight - cropRect.top; - } - return cropRect; - } - - protected static CompressFormat convertExtensionToCompressFormat(String extension) { - return extension.equals("png") ? CompressFormat.PNG : CompressFormat.JPEG; - } - - protected static String getFileExtension(String requestFormat) { - String outputFormat = (requestFormat == null) - ? "jpg" - : requestFormat; - outputFormat = outputFormat.toLowerCase(); - return (outputFormat.equals("png") || outputFormat.equals("gif")) - ? "png" // We don't support gif compression. - : "jpg"; - } } diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java index 043f6306b..53cc13dbc 100644 --- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java +++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java @@ -70,6 +70,9 @@ import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.Toast; +import com.android.gallery3d.common.BitmapCropTask; +import com.android.gallery3d.common.BitmapUtils; +import com.android.gallery3d.common.Utils; import com.android.photos.BitmapRegionTileSource; import com.android.photos.BitmapRegionTileSource.BitmapSource; @@ -174,7 +177,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { @Override public void onSave(final WallpaperPickerActivity a) { boolean finishActivityWhenDone = true; - OnBitmapCroppedHandler h = new OnBitmapCroppedHandler() { + BitmapCropTask.OnBitmapCroppedHandler h = new BitmapCropTask.OnBitmapCroppedHandler() { public void onBitmapCropped(byte[] imageBytes) { Point thumbSize = getDefaultThumbnailSize(a.getResources()); // rotation is set to 0 since imageBytes has already been correctly rotated @@ -240,9 +243,9 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { BitmapRegionTileSource source = new BitmapRegionTileSource(a, bitmapSource); CropView v = a.getCropView(); v.setTileSource(source, null); - Point wallpaperSize = WallpaperCropActivity.getDefaultWallpaperSize( + Point wallpaperSize = BitmapUtils.getDefaultWallpaperSize( a.getResources(), a.getWindowManager()); - RectF crop = WallpaperCropActivity.getMaxCropRect( + RectF crop = Utils.getMaxCropRect( source.getImageWidth(), source.getImageHeight(), wallpaperSize.x, wallpaperSize.y, false); v.setScale(wallpaperSize.x / crop.width()); @@ -811,7 +814,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { rotatedBounds[0] = Math.abs(rotatedBounds[0]); rotatedBounds[1] = Math.abs(rotatedBounds[1]); - RectF cropRect = WallpaperCropActivity.getMaxCropRect( + RectF cropRect = Utils.getMaxCropRect( (int) rotatedBounds[0], (int) rotatedBounds[1], width, height, leftAligned); cropTask.setCropBounds(cropRect); @@ -838,7 +841,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { new AsyncTask() { protected Bitmap doInBackground(Void...args) { try { - int rotation = WallpaperCropActivity.getRotationFromExif(context, uri); + int rotation = BitmapUtils.getRotationFromExif(context, uri); return createThumbnail(defaultSize, context, uri, null, null, 0, rotation, false); } catch (SecurityException securityException) { if (isDestroyed()) { @@ -1023,7 +1026,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity { } else { Resources res = getResources(); Point defaultThumbSize = getDefaultThumbnailSize(res); - int rotation = WallpaperCropActivity.getRotationFromExif(res, resId); + int rotation = BitmapUtils.getRotationFromExif(res, resId); thumb = createThumbnail( defaultThumbSize, this, null, null, sysRes, resId, rotation, false); if (thumb != null) { diff --git a/WallpaperPicker/src/com/android/photos/views/Pools.java b/WallpaperPicker/src/com/android/photos/views/Pools.java new file mode 100644 index 000000000..c60f2f013 --- /dev/null +++ b/WallpaperPicker/src/com/android/photos/views/Pools.java @@ -0,0 +1,165 @@ +/* + * Copyright (C) 2009 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; + +/** + * Helper class for crating pools of objects. An example use looks like this: + * 
+ * public class MyPooledClass {
+ *
+ *     private static final SynchronizedPool sPool =
+ *             new SynchronizedPool(10);
+ *
+ *     public static MyPooledClass obtain() {
+ *         MyPooledClass instance = sPool.acquire();
+ *         return (instance != null) ? instance : new MyPooledClass();
+ *     }
+ *
+ *     public void recycle() {
+ *          // Clear state if needed.
+ *          sPool.release(this);
+ *     }
+ *
+ *     . . .
+ * }
+ *
+ * + * @hide + */ +public final class Pools { + + /** + * Interface for managing a pool of objects. + * + * @param The pooled type. + */ + public static interface Pool { + + /** + * @return An instance from the pool if such, null otherwise. + */ + public T acquire(); + + /** + * Release an instance to the pool. + * + * @param instance The instance to release. + * @return Whether the instance was put in the pool. + * + * @throws IllegalStateException If the instance is already in the pool. + */ + public boolean release(T instance); + } + + private Pools() { + /* do nothing - hiding constructor */ + } + + /** + * Simple (non-synchronized) pool of objects. + * + * @param The pooled type. + */ + public static class SimplePool implements Pool { + private final Object[] mPool; + + private int mPoolSize; + + /** + * Creates a new instance. + * + * @param maxPoolSize The max pool size. + * + * @throws IllegalArgumentException If the max pool size is less than zero. + */ + public SimplePool(int maxPoolSize) { + if (maxPoolSize <= 0) { + throw new IllegalArgumentException("The max pool size must be > 0"); + } + mPool = new Object[maxPoolSize]; + } + + @Override + @SuppressWarnings("unchecked") + public T acquire() { + if (mPoolSize > 0) { + final int lastPooledIndex = mPoolSize - 1; + T instance = (T) mPool[lastPooledIndex]; + mPool[lastPooledIndex] = null; + mPoolSize--; + return instance; + } + return null; + } + + @Override + public boolean release(T instance) { + if (isInPool(instance)) { + throw new IllegalStateException("Already in the pool!"); + } + if (mPoolSize < mPool.length) { + mPool[mPoolSize] = instance; + mPoolSize++; + return true; + } + return false; + } + + private boolean isInPool(T instance) { + for (int i = 0; i < mPoolSize; i++) { + if (mPool[i] == instance) { + return true; + } + } + return false; + } + } + + /** + * Synchronized) pool of objects. + * + * @param The pooled type. + */ + public static class SynchronizedPool extends SimplePool { + private final Object mLock = new Object(); + + /** + * Creates a new instance. + * + * @param maxPoolSize The max pool size. + * + * @throws IllegalArgumentException If the max pool size is less than zero. + */ + public SynchronizedPool(int maxPoolSize) { + super(maxPoolSize); + } + + @Override + public T acquire() { + synchronized (mLock) { + return super.acquire(); + } + } + + @Override + public boolean release(T element) { + synchronized (mLock) { + return super.release(element); + } + } + } +} \ No newline at end of file diff --git a/WallpaperPicker/src/com/android/photos/views/TiledImageRenderer.java b/WallpaperPicker/src/com/android/photos/views/TiledImageRenderer.java index b0292e660..f9b7ab473 100644 --- a/WallpaperPicker/src/com/android/photos/views/TiledImageRenderer.java +++ b/WallpaperPicker/src/com/android/photos/views/TiledImageRenderer.java @@ -23,8 +23,6 @@ import android.graphics.RectF; import android.util.DisplayMetrics; import android.util.Log; import android.util.LongSparseArray; -import android.util.Pools.Pool; -import android.util.Pools.SynchronizedPool; import android.view.View; import android.view.WindowManager; @@ -32,6 +30,8 @@ import com.android.gallery3d.common.Utils; import com.android.gallery3d.glrenderer.BasicTexture; import com.android.gallery3d.glrenderer.GLCanvas; import com.android.gallery3d.glrenderer.UploadedTexture; +import com.android.photos.views.Pools.Pool; +import com.android.photos.views.Pools.SynchronizedPool; /** * Handles laying out, decoding, and drawing of tiles in GL -- cgit v1.2.3