WallpaperCropActivity.java revision d6901a95d8aabc25fdd108d3605b34f848ab10e0
1e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka/* 2e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * Copyright (C) 2013 The Android Open Source Project 3e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * 4e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * Licensed under the Apache License, Version 2.0 (the "License"); 5e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * you may not use this file except in compliance with the License. 6e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * You may obtain a copy of the License at 7e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * 8e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * http://www.apache.org/licenses/LICENSE-2.0 9e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * 10e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * Unless required by applicable law or agreed to in writing, software 11e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * distributed under the License is distributed on an "AS IS" BASIS, 12e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * See the License for the specific language governing permissions and 14e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * limitations under the License. 15e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka */ 16e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka/* Copied from Launcher3 */ 17e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkapackage com.android.wallpapercropper; 18e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 19e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.app.ActionBar; 20e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.app.Activity; 21e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.app.WallpaperManager; 22e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.content.Context; 23e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.content.Intent; 24e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.content.SharedPreferences; 25e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.content.res.Configuration; 26e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.content.res.Resources; 27e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.Bitmap; 28e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.Bitmap.CompressFormat; 29e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.BitmapFactory; 30e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.BitmapRegionDecoder; 31e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.Canvas; 32e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.Matrix; 33e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.Paint; 34e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.Point; 35e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.Rect; 36e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.graphics.RectF; 37e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.net.Uri; 38e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.os.AsyncTask; 39e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.os.Bundle; 40e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.util.Log; 41e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.view.Display; 42e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.view.View; 43e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport android.view.WindowManager; 447b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurkaimport android.widget.Toast; 45e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 46e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport com.android.gallery3d.common.Utils; 4769784065ea78550944b7eddb559c0dac952e20e8Michael Jurkaimport com.android.gallery3d.exif.ExifInterface; 48e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport com.android.photos.BitmapRegionTileSource; 497b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurkaimport com.android.photos.BitmapRegionTileSource.BitmapSource; 50e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 51e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport java.io.BufferedInputStream; 52e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport java.io.ByteArrayInputStream; 53e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport java.io.ByteArrayOutputStream; 54e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport java.io.FileNotFoundException; 55e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport java.io.IOException; 56e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkaimport java.io.InputStream; 57e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 58e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurkapublic class WallpaperCropActivity extends Activity { 59e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka private static final String LOGTAG = "Launcher3.CropActivity"; 60e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 61e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected static final String WALLPAPER_WIDTH_KEY = "wallpaper.width"; 62e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected static final String WALLPAPER_HEIGHT_KEY = "wallpaper.height"; 63e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka private static final int DEFAULT_COMPRESS_QUALITY = 90; 64e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka /** 65e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * The maximum bitmap size we allow to be returned through the intent. 66e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * Intents have a maximum of 1MB in total size. However, the Bitmap seems to 67e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * have some overhead to hit so that we go way below the limit here to make 68e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * sure the intent stays below 1MB.We should consider just returning a byte 69e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka * array instead of a Bitmap instance to avoid overhead. 70e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka */ 71e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static final int MAX_BMAP_IN_INTENT = 750000; 72e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka private static final float WALLPAPER_SCREENS_SPAN = 2f; 73e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 7435f922d1d038d14f94b584baae324513610f7813Michael Jurka protected static Point sDefaultWallpaperSize; 7535f922d1d038d14f94b584baae324513610f7813Michael Jurka 76e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected CropView mCropView; 77e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected Uri mUri; 78e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 79e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka @Override 80e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected void onCreate(Bundle savedInstanceState) { 81e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka super.onCreate(savedInstanceState); 82e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka init(); 83e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka if (!enableRotation()) { 84e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka setRequestedOrientation(Configuration.ORIENTATION_PORTRAIT); 85e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka } 86e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 87e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 88e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected void init() { 89e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka setContentView(R.layout.wallpaper_cropper); 90e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 91e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mCropView = (CropView) findViewById(R.id.cropView); 92e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 9369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Intent cropIntent = getIntent(); 94e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final Uri imageUri = cropIntent.getData(); 95e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 9669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka if (imageUri == null) { 9769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Log.e(LOGTAG, "No URI passed in intent, exiting WallpaperCropActivity"); 9869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka finish(); 9969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka return; 10069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 10169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 102e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Action bar 103e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Show the custom action bar view 104e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final ActionBar actionBar = getActionBar(); 105e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka actionBar.setCustomView(R.layout.actionbar_set_wallpaper); 106e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka actionBar.getCustomView().setOnClickListener( 107e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka new View.OnClickListener() { 108e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka @Override 109e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public void onClick(View v) { 110e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean finishActivityWhenDone = true; 111e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropImageAndSetWallpaper(imageUri, null, finishActivityWhenDone); 112e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 113e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka }); 1145271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka 1155271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka // Load image in background 1167b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka final BitmapRegionTileSource.UriBitmapSource bitmapSource = 1177b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka new BitmapRegionTileSource.UriBitmapSource(this, imageUri, 1024); 1187b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka Runnable onLoad = new Runnable() { 1197b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka public void run() { 1207b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (bitmapSource.getLoadingState() != BitmapSource.State.LOADED) { 1217b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka Toast.makeText(WallpaperCropActivity.this, 1227b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka getString(R.string.wallpaper_load_fail), 1237b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka Toast.LENGTH_LONG).show(); 1247b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka finish(); 1257b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka } 1267b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka } 1277b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka }; 1287b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka setCropViewTileSource(bitmapSource, true, false, onLoad); 1295271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka } 1305271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka 1317b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka public void setCropViewTileSource( 1327b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka final BitmapRegionTileSource.BitmapSource bitmapSource, final boolean touchEnabled, 1337b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka final boolean moveToLeft, final Runnable postExecute) { 1345271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka final Context context = WallpaperCropActivity.this; 1355271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka final View progressView = findViewById(R.id.loading); 1365271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka final AsyncTask<Void, Void, Void> loadBitmapTask = new AsyncTask<Void, Void, Void>() { 1375271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka protected Void doInBackground(Void...args) { 1385271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka if (!isCancelled()) { 139d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek try { 140d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek bitmapSource.loadInBackground(); 141d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek } catch (SecurityException securityException) { 142d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek if (isDestroyed()) { 143d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek // Temporarily granted permissions are revoked when the activity 144d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek // finishes, potentially resulting in a SecurityException here. 145d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek // Even though {@link #isDestroyed} might also return true in different 146d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek // situations where the configuration changes, we are fine with 147d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek // catching these cases here as well. 148d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek cancel(false); 149d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek } else { 150d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek // otherwise it had a different cause and we throw it further 151d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek throw securityException; 152d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek } 153d6901a95d8aabc25fdd108d3605b34f848ab10e0Selim Cinek } 1545271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka } 1555271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka return null; 1565271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka } 1575271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka protected void onPostExecute(Void arg) { 1585271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka if (!isCancelled()) { 1595271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka progressView.setVisibility(View.INVISIBLE); 1607b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (bitmapSource.getLoadingState() == BitmapSource.State.LOADED) { 1617b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka mCropView.setTileSource( 1627b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka new BitmapRegionTileSource(context, bitmapSource), null); 1637b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka mCropView.setTouchEnabled(touchEnabled); 1647b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (moveToLeft) { 1657b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka mCropView.moveToLeft(); 1667b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka } 1675271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka } 1685271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka } 1697b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (postExecute != null) { 1707b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka postExecute.run(); 1717b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka } 1725271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka } 1735271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka }; 1745271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka // We don't want to show the spinner every time we load an image, because that would be 1755271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka // annoying; instead, only start showing the spinner if loading the image has taken 1765271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka // longer than 1 sec (ie 1000 ms) 1775271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka progressView.postDelayed(new Runnable() { 1785271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka public void run() { 1795271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka if (loadBitmapTask.getStatus() != AsyncTask.Status.FINISHED) { 1805271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka progressView.setVisibility(View.VISIBLE); 1815271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka } 1825271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka } 1835271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka }, 1000); 1845271ea16c1989f99c0db7ab80b2b321441f60023Michael Jurka loadBitmapTask.execute(); 185e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka } 186e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka 187e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka public boolean enableRotation() { 188e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka return getResources().getBoolean(R.bool.allow_rotation); 189e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 190e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 191e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public static String getSharedPreferencesKey() { 192e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return WallpaperCropActivity.class.getName(); 193e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 194e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 195e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // As a ratio of screen height, the total distance we want the parallax effect to span 196e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // horizontally 197e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka private static float wallpaperTravelToScreenWidthRatio(int width, int height) { 198e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka float aspectRatio = width / (float) height; 199e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 200e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // At an aspect ratio of 16/10, the wallpaper parallax effect should span 1.5 * screen width 201e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // At an aspect ratio of 10/16, the wallpaper parallax effect should span 1.2 * screen width 202e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // We will use these two data points to extrapolate how much the wallpaper parallax effect 203e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // to span (ie travel) at any aspect ratio: 204e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 205e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final float ASPECT_RATIO_LANDSCAPE = 16/10f; 206e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final float ASPECT_RATIO_PORTRAIT = 10/16f; 207e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE = 1.5f; 208e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT = 1.2f; 209e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 210e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // To find out the desired width at different aspect ratios, we use the following two 211e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // formulas, where the coefficient on x is the aspect ratio (width/height): 212e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // (16/10)x + y = 1.5 213e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // (10/16)x + y = 1.2 214e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // We solve for x and y and end up with a final formula: 215e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final float x = 216e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka (WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE - WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT) / 217e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka (ASPECT_RATIO_LANDSCAPE - ASPECT_RATIO_PORTRAIT); 218e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final float y = WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT - x * ASPECT_RATIO_PORTRAIT; 219e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return x * aspectRatio + y; 220e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 221e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 222e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka static protected Point getDefaultWallpaperSize(Resources res, WindowManager windowManager) { 22335f922d1d038d14f94b584baae324513610f7813Michael Jurka if (sDefaultWallpaperSize == null) { 22435f922d1d038d14f94b584baae324513610f7813Michael Jurka Point minDims = new Point(); 22535f922d1d038d14f94b584baae324513610f7813Michael Jurka Point maxDims = new Point(); 22635f922d1d038d14f94b584baae324513610f7813Michael Jurka windowManager.getDefaultDisplay().getCurrentSizeRange(minDims, maxDims); 22735f922d1d038d14f94b584baae324513610f7813Michael Jurka 22835f922d1d038d14f94b584baae324513610f7813Michael Jurka int maxDim = Math.max(maxDims.x, maxDims.y); 22935f922d1d038d14f94b584baae324513610f7813Michael Jurka int minDim = Math.max(minDims.x, minDims.y); 23035f922d1d038d14f94b584baae324513610f7813Michael Jurka 23135f922d1d038d14f94b584baae324513610f7813Michael Jurka if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) { 23235f922d1d038d14f94b584baae324513610f7813Michael Jurka Point realSize = new Point(); 23335f922d1d038d14f94b584baae324513610f7813Michael Jurka windowManager.getDefaultDisplay().getRealSize(realSize); 23435f922d1d038d14f94b584baae324513610f7813Michael Jurka maxDim = Math.max(realSize.x, realSize.y); 23535f922d1d038d14f94b584baae324513610f7813Michael Jurka minDim = Math.min(realSize.x, realSize.y); 23635f922d1d038d14f94b584baae324513610f7813Michael Jurka } 237e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 23835f922d1d038d14f94b584baae324513610f7813Michael Jurka // We need to ensure that there is enough extra space in the wallpaper 23935f922d1d038d14f94b584baae324513610f7813Michael Jurka // for the intended parallax effects 24035f922d1d038d14f94b584baae324513610f7813Michael Jurka final int defaultWidth, defaultHeight; 24135f922d1d038d14f94b584baae324513610f7813Michael Jurka if (isScreenLarge(res)) { 24235f922d1d038d14f94b584baae324513610f7813Michael Jurka defaultWidth = (int) (maxDim * wallpaperTravelToScreenWidthRatio(maxDim, minDim)); 24335f922d1d038d14f94b584baae324513610f7813Michael Jurka defaultHeight = maxDim; 24435f922d1d038d14f94b584baae324513610f7813Michael Jurka } else { 24535f922d1d038d14f94b584baae324513610f7813Michael Jurka defaultWidth = Math.max((int) (minDim * WALLPAPER_SCREENS_SPAN), maxDim); 24635f922d1d038d14f94b584baae324513610f7813Michael Jurka defaultHeight = maxDim; 24735f922d1d038d14f94b584baae324513610f7813Michael Jurka } 24835f922d1d038d14f94b584baae324513610f7813Michael Jurka sDefaultWallpaperSize = new Point(defaultWidth, defaultHeight); 249e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 25035f922d1d038d14f94b584baae324513610f7813Michael Jurka return sDefaultWallpaperSize; 251e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 252e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 25369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka public static int getRotationFromExif(String path) { 25469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka return getRotationFromExifHelper(path, null, 0, null, null); 25569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 25669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 25769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka public static int getRotationFromExif(Context context, Uri uri) { 25869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka return getRotationFromExifHelper(null, null, 0, context, uri); 25969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 26069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 26169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka public static int getRotationFromExif(Resources res, int resId) { 26269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka return getRotationFromExifHelper(null, res, resId, null, null); 26369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 26469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 26569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka private static int getRotationFromExifHelper( 26669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka String path, Resources res, int resId, Context context, Uri uri) { 26769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka ExifInterface ei = new ExifInterface(); 268b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka InputStream is = null; 269b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka BufferedInputStream bis = null; 27069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka try { 27169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka if (path != null) { 27269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka ei.readExif(path); 27369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } else if (uri != null) { 274b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka is = context.getContentResolver().openInputStream(uri); 275b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka bis = new BufferedInputStream(is); 27669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka ei.readExif(bis); 27769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } else { 278b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka is = res.openRawResource(resId); 279b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka bis = new BufferedInputStream(is); 28069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka ei.readExif(bis); 28169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 28269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Integer ori = ei.getTagIntValue(ExifInterface.TAG_ORIENTATION); 28369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka if (ori != null) { 28469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka return ExifInterface.getRotationForOrientationValue(ori.shortValue()); 28569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 28669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } catch (IOException e) { 28769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Log.w(LOGTAG, "Getting exif data failed", e); 288b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka } finally { 289b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka Utils.closeSilently(bis); 290b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka Utils.closeSilently(is); 29169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 29269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka return 0; 29369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 29469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 295e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected void setWallpaper(String filePath, final boolean finishActivityWhenDone) { 29669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka int rotation = getRotationFromExif(filePath); 29769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka BitmapCropTask cropTask = new BitmapCropTask( 29869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka this, filePath, null, rotation, 0, 0, true, false, null); 299e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final Point bounds = cropTask.getImageBounds(); 300e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Runnable onEndCrop = new Runnable() { 301e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public void run() { 302e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (finishActivityWhenDone) { 303e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka setResult(Activity.RESULT_OK); 304e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka finish(); 305e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 306e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 307e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka }; 308e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropTask.setOnEndRunnable(onEndCrop); 309e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropTask.setNoCrop(true); 310e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropTask.execute(); 311e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 312e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 313e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected void cropImageAndSetWallpaper( 314e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Resources res, int resId, final boolean finishActivityWhenDone) { 315e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // crop this image and scale it down to the default wallpaper size for 316e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // this device 31769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka int rotation = getRotationFromExif(res, resId); 318e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Point inSize = mCropView.getSourceDimensions(); 319e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Point outSize = getDefaultWallpaperSize(getResources(), 320e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka getWindowManager()); 321e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka RectF crop = getMaxCropRect( 322e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka inSize.x, inSize.y, outSize.x, outSize.y, false); 323e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Runnable onEndCrop = new Runnable() { 324e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public void run() { 325e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (finishActivityWhenDone) { 326e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka setResult(Activity.RESULT_OK); 327e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka finish(); 328e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 329e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 330e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka }; 331e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka BitmapCropTask cropTask = new BitmapCropTask(this, res, resId, 33269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka crop, rotation, outSize.x, outSize.y, true, false, onEndCrop); 333e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropTask.execute(); 334e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 335e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 336e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka private static boolean isScreenLarge(Resources res) { 337e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Configuration config = res.getConfiguration(); 338e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return config.smallestScreenWidthDp >= 720; 339e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 340e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 341e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected void cropImageAndSetWallpaper(Uri uri, 342e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka OnBitmapCroppedHandler onBitmapCroppedHandler, final boolean finishActivityWhenDone) { 3432ab14daebac46307d2364733481edc3115bbf98cMichael Jurka boolean centerCrop = getResources().getBoolean(R.bool.center_crop); 344e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka // Get the crop 345e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka boolean ltr = mCropView.getLayoutDirection() == View.LAYOUT_DIRECTION_LTR; 346e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka 347e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Display d = getWindowManager().getDefaultDisplay(); 348e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 349e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Point displaySize = new Point(); 350e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka d.getSize(displaySize); 351e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean isPortrait = displaySize.x < displaySize.y; 352eed96a0b9088dcce121ffee476b4d7fa72686e77Michael Jurka 353eed96a0b9088dcce121ffee476b4d7fa72686e77Michael Jurka Point defaultWallpaperSize = getDefaultWallpaperSize(getResources(), 354eed96a0b9088dcce121ffee476b4d7fa72686e77Michael Jurka getWindowManager()); 355e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Get the crop 356e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka RectF cropRect = mCropView.getCrop(); 35769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka int cropRotation = mCropView.getImageRotation(); 358e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka float cropScale = mCropView.getWidth() / (float) cropRect.width(); 359e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 36069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Point inSize = mCropView.getSourceDimensions(); 36169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix rotateMatrix = new Matrix(); 36269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka rotateMatrix.setRotate(cropRotation); 36369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka float[] rotatedInSize = new float[] { inSize.x, inSize.y }; 36469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka rotateMatrix.mapPoints(rotatedInSize); 36569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka rotatedInSize[0] = Math.abs(rotatedInSize[0]); 36669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka rotatedInSize[1] = Math.abs(rotatedInSize[1]); 36769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 368e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // ADJUST CROP WIDTH 369e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Extend the crop all the way to the right, for parallax 370e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka // (or all the way to the left, in RTL) 3712ab14daebac46307d2364733481edc3115bbf98cMichael Jurka float extraSpace; 3722ab14daebac46307d2364733481edc3115bbf98cMichael Jurka if (centerCrop) { 3732ab14daebac46307d2364733481edc3115bbf98cMichael Jurka extraSpace = 2f * Math.min(rotatedInSize[0] - cropRect.right, cropRect.left); 3742ab14daebac46307d2364733481edc3115bbf98cMichael Jurka } else { 3752ab14daebac46307d2364733481edc3115bbf98cMichael Jurka extraSpace = ltr ? rotatedInSize[0] - cropRect.right : cropRect.left; 3762ab14daebac46307d2364733481edc3115bbf98cMichael Jurka } 377e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Cap the amount of extra width 378eed96a0b9088dcce121ffee476b4d7fa72686e77Michael Jurka float maxExtraSpace = defaultWallpaperSize.x / cropScale - cropRect.width(); 379e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka extraSpace = Math.min(extraSpace, maxExtraSpace); 380e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 3812ab14daebac46307d2364733481edc3115bbf98cMichael Jurka if (centerCrop) { 3822ab14daebac46307d2364733481edc3115bbf98cMichael Jurka cropRect.left -= extraSpace / 2f; 3832ab14daebac46307d2364733481edc3115bbf98cMichael Jurka cropRect.right += extraSpace / 2f; 384e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka } else { 3852ab14daebac46307d2364733481edc3115bbf98cMichael Jurka if (ltr) { 3862ab14daebac46307d2364733481edc3115bbf98cMichael Jurka cropRect.right += extraSpace; 3872ab14daebac46307d2364733481edc3115bbf98cMichael Jurka } else { 3882ab14daebac46307d2364733481edc3115bbf98cMichael Jurka cropRect.left -= extraSpace; 3892ab14daebac46307d2364733481edc3115bbf98cMichael Jurka } 390e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka } 391e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 392e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // ADJUST CROP HEIGHT 393e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (isPortrait) { 394eed96a0b9088dcce121ffee476b4d7fa72686e77Michael Jurka cropRect.bottom = cropRect.top + defaultWallpaperSize.y / cropScale; 395e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } else { // LANDSCAPE 396e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka float extraPortraitHeight = 397eed96a0b9088dcce121ffee476b4d7fa72686e77Michael Jurka defaultWallpaperSize.y / cropScale - cropRect.height(); 398e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka float expandHeight = 39969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Math.min(Math.min(rotatedInSize[1] - cropRect.bottom, cropRect.top), 400e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka extraPortraitHeight / 2); 401e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.top -= expandHeight; 402e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.bottom += expandHeight; 403e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 404e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final int outWidth = (int) Math.round(cropRect.width() * cropScale); 405e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka final int outHeight = (int) Math.round(cropRect.height() * cropScale); 406e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 407e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Runnable onEndCrop = new Runnable() { 408e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public void run() { 409e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (finishActivityWhenDone) { 410e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka setResult(Activity.RESULT_OK); 411e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka finish(); 412e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 413e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 414e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka }; 415e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka BitmapCropTask cropTask = new BitmapCropTask(this, uri, 41669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka cropRect, cropRotation, outWidth, outHeight, true, false, onEndCrop); 417e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (onBitmapCroppedHandler != null) { 418e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropTask.setOnBitmapCropped(onBitmapCroppedHandler); 419e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 420e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropTask.execute(); 421e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 422e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 423e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public interface OnBitmapCroppedHandler { 424e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public void onBitmapCropped(byte[] imageBytes); 425e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 426e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 427e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka protected static class BitmapCropTask extends AsyncTask<Void, Void, Boolean> { 428e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Uri mInUri = null; 429e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Context mContext; 430e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka String mInFilePath; 431e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka byte[] mInImageBytes; 432e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka int mInResId = 0; 433e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka RectF mCropBounds = null; 434e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka int mOutWidth, mOutHeight; 43569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka int mRotation; 436e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka String mOutputFormat = "jpg"; // for now 437e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean mSetWallpaper; 438e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean mSaveCroppedBitmap; 439e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Bitmap mCroppedBitmap; 440e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Runnable mOnEndRunnable; 441e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Resources mResources; 442e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka OnBitmapCroppedHandler mOnBitmapCroppedHandler; 443e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean mNoCrop; 444e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 445e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public BitmapCropTask(Context c, String filePath, 44669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka RectF cropBounds, int rotation, int outWidth, int outHeight, 447e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) { 448e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mContext = c; 449e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mInFilePath = filePath; 45069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka init(cropBounds, rotation, 45169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka outWidth, outHeight, setWallpaper, saveCroppedBitmap, onEndRunnable); 452e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 453e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 454e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public BitmapCropTask(byte[] imageBytes, 45569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka RectF cropBounds, int rotation, int outWidth, int outHeight, 456e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) { 457e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mInImageBytes = imageBytes; 45869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka init(cropBounds, rotation, 45969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka outWidth, outHeight, setWallpaper, saveCroppedBitmap, onEndRunnable); 460e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 461e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 462e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka public BitmapCropTask(Context c, Uri inUri, 46369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka RectF cropBounds, int rotation, int outWidth, int outHeight, 464e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) { 465e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka mContext = c; 466e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mInUri = inUri; 46769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka init(cropBounds, rotation, 46869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka outWidth, outHeight, setWallpaper, saveCroppedBitmap, onEndRunnable); 469e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 470e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 471e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka public BitmapCropTask(Context c, Resources res, int inResId, 47269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka RectF cropBounds, int rotation, int outWidth, int outHeight, 473e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) { 474e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka mContext = c; 475e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mInResId = inResId; 476e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mResources = res; 47769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka init(cropBounds, rotation, 47869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka outWidth, outHeight, setWallpaper, saveCroppedBitmap, onEndRunnable); 479e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 480e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 48169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka private void init(RectF cropBounds, int rotation, int outWidth, int outHeight, 482e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean setWallpaper, boolean saveCroppedBitmap, Runnable onEndRunnable) { 483e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mCropBounds = cropBounds; 48469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mRotation = rotation; 485e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mOutWidth = outWidth; 486e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mOutHeight = outHeight; 487e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mSetWallpaper = setWallpaper; 488e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mSaveCroppedBitmap = saveCroppedBitmap; 489e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mOnEndRunnable = onEndRunnable; 490e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 491e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 492e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public void setOnBitmapCropped(OnBitmapCroppedHandler handler) { 493e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mOnBitmapCroppedHandler = handler; 494e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 495e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 496e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public void setNoCrop(boolean value) { 497e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mNoCrop = value; 498e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 499e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 500e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public void setOnEndRunnable(Runnable onEndRunnable) { 501e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mOnEndRunnable = onEndRunnable; 502e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 503e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 504e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Helper to setup input stream 5057b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka private InputStream regenerateInputStream() { 506e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (mInUri == null && mInResId == 0 && mInFilePath == null && mInImageBytes == null) { 507e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Log.w(LOGTAG, "cannot read original file, no input URI, resource ID, or " + 508e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka "image byte array given"); 509e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } else { 510e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka try { 511e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (mInUri != null) { 5127b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka return new BufferedInputStream( 513e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka mContext.getContentResolver().openInputStream(mInUri)); 514e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } else if (mInFilePath != null) { 5157b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka return mContext.openFileInput(mInFilePath); 516e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } else if (mInImageBytes != null) { 5177b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka return new BufferedInputStream(new ByteArrayInputStream(mInImageBytes)); 518e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } else { 5197b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka return new BufferedInputStream(mResources.openRawResource(mInResId)); 520e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 521e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } catch (FileNotFoundException e) { 522e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Log.w(LOGTAG, "cannot read file: " + mInUri.toString(), e); 523e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 524e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 5257b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka return null; 526e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 527e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 528e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public Point getImageBounds() { 5297b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka InputStream is = regenerateInputStream(); 5307b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (is != null) { 531e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka BitmapFactory.Options options = new BitmapFactory.Options(); 532e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka options.inJustDecodeBounds = true; 5337b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka BitmapFactory.decodeStream(is, null, options); 5347b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka Utils.closeSilently(is); 535e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (options.outWidth != 0 && options.outHeight != 0) { 536e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return new Point(options.outWidth, options.outHeight); 537e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 538e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 539e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return null; 540e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 541e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 542e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public void setCropBounds(RectF cropBounds) { 543e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mCropBounds = cropBounds; 544e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 545e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 546e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public Bitmap getCroppedBitmap() { 547e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return mCroppedBitmap; 548e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 549e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka public boolean cropBitmap() { 550e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka boolean failure = false; 551e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 552e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 553e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka WallpaperManager wallpaperManager = null; 554e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka if (mSetWallpaper) { 555e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka wallpaperManager = WallpaperManager.getInstance(mContext.getApplicationContext()); 556e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka } 5577b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka 5587b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka 5597b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (mSetWallpaper && mNoCrop) { 560e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka try { 5617b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka InputStream is = regenerateInputStream(); 5627b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (is != null) { 5637b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka wallpaperManager.setStream(is); 5647b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka Utils.closeSilently(is); 5657b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka } 566e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } catch (IOException e) { 567e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Log.w(LOGTAG, "cannot write stream to wallpaper", e); 568e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka failure = true; 569e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 570e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return !failure; 5717b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka } else { 572e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Find crop bounds (scaled to original image size) 573e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Rect roundedTrueCrop = new Rect(); 57469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix rotateMatrix = new Matrix(); 57569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix inverseRotateMatrix = new Matrix(); 576e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka 577e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka Point bounds = getImageBounds(); 57869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka if (mRotation > 0) { 57969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka rotateMatrix.setRotate(mRotation); 58069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka inverseRotateMatrix.setRotate(-mRotation); 58169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 58269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mCropBounds.roundOut(roundedTrueCrop); 58369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mCropBounds = new RectF(roundedTrueCrop); 58469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 5857b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (bounds == null) { 5867b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka Log.w(LOGTAG, "cannot get bounds for image"); 5877b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka failure = true; 5887b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka return false; 5897b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka } 59069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 59169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka float[] rotatedBounds = new float[] { bounds.x, bounds.y }; 59269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka rotateMatrix.mapPoints(rotatedBounds); 59369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka rotatedBounds[0] = Math.abs(rotatedBounds[0]); 59469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka rotatedBounds[1] = Math.abs(rotatedBounds[1]); 59569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 59669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mCropBounds.offset(-rotatedBounds[0]/2, -rotatedBounds[1]/2); 59769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka inverseRotateMatrix.mapRect(mCropBounds); 59869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mCropBounds.offset(bounds.x/2, bounds.y/2); 59969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 60069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 60169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 602e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mCropBounds.roundOut(roundedTrueCrop); 603e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 604e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (roundedTrueCrop.width() <= 0 || roundedTrueCrop.height() <= 0) { 605e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Log.w(LOGTAG, "crop has bad values for full size image"); 606e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka failure = true; 607e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return false; 608e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 609e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 610e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // See how much we're reducing the size of the image 611b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka int scaleDownSampleSize = Math.max(1, Math.min(roundedTrueCrop.width() / mOutWidth, 612b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka roundedTrueCrop.height() / mOutHeight)); 613e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Attempt to open a region decoder 614e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka BitmapRegionDecoder decoder = null; 615b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka InputStream is = null; 616e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka try { 617b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka is = regenerateInputStream(); 6187b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (is == null) { 6197b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka Log.w(LOGTAG, "cannot get input stream for uri=" + mInUri.toString()); 6207b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka failure = true; 6217b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka return false; 6227b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka } 6237b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka decoder = BitmapRegionDecoder.newInstance(is, false); 6247b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka Utils.closeSilently(is); 625e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } catch (IOException e) { 626e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Log.w(LOGTAG, "cannot open region decoder for file: " + mInUri.toString(), e); 627b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka } finally { 628b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka Utils.closeSilently(is); 629b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka is = null; 630e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 631e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 632e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Bitmap crop = null; 633e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (decoder != null) { 634e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Do region decoding to get crop bitmap 635e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka BitmapFactory.Options options = new BitmapFactory.Options(); 636e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (scaleDownSampleSize > 1) { 637e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka options.inSampleSize = scaleDownSampleSize; 638e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 639e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka crop = decoder.decodeRegion(roundedTrueCrop, options); 640e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka decoder.recycle(); 641e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 642e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 643e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (crop == null) { 644e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // BitmapRegionDecoder has failed, try to crop in-memory 645b2552648cec772c896ff31a7aa52ae48380459c0Michael Jurka is = regenerateInputStream(); 646e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Bitmap fullSize = null; 6477b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka if (is != null) { 648e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka BitmapFactory.Options options = new BitmapFactory.Options(); 649e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (scaleDownSampleSize > 1) { 650e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka options.inSampleSize = scaleDownSampleSize; 651e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 6527b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka fullSize = BitmapFactory.decodeStream(is, null, options); 6537b215cb92288aa0a21bc773511ddd537b8fbb459Michael Jurka Utils.closeSilently(is); 654e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 655e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (fullSize != null) { 656e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka // Find out the true sample size that was used by the decoder 657e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka scaleDownSampleSize = bounds.x / fullSize.getWidth(); 65869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mCropBounds.left /= scaleDownSampleSize; 65969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mCropBounds.top /= scaleDownSampleSize; 66069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mCropBounds.bottom /= scaleDownSampleSize; 66169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mCropBounds.right /= scaleDownSampleSize; 66269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mCropBounds.roundOut(roundedTrueCrop); 66369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 664e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka // Adjust values to account for issues related to rounding 665e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka if (roundedTrueCrop.width() > fullSize.getWidth()) { 666e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka // Adjust the width 667e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka roundedTrueCrop.right = roundedTrueCrop.left + fullSize.getWidth(); 668e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka } 669e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka if (roundedTrueCrop.right > fullSize.getWidth()) { 670e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka // Adjust the left value 671e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka int adjustment = roundedTrueCrop.left - 672e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka Math.max(0, roundedTrueCrop.right - roundedTrueCrop.width()); 673e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka roundedTrueCrop.left -= adjustment; 674e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka roundedTrueCrop.right -= adjustment; 675e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka } 676e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka if (roundedTrueCrop.height() > fullSize.getHeight()) { 677e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka // Adjust the height 678e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka roundedTrueCrop.bottom = roundedTrueCrop.top + fullSize.getHeight(); 679e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka } 680e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka if (roundedTrueCrop.bottom > fullSize.getHeight()) { 681e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka // Adjust the top value 682e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka int adjustment = roundedTrueCrop.top - 683e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka Math.max(0, roundedTrueCrop.bottom - roundedTrueCrop.height()); 684e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka roundedTrueCrop.top -= adjustment; 685e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka roundedTrueCrop.bottom -= adjustment; 686e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka } 687e39c9a953ca11319b747b3aa79f4ccd082b775b7Michael Jurka 688e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka crop = Bitmap.createBitmap(fullSize, roundedTrueCrop.left, 689e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka roundedTrueCrop.top, roundedTrueCrop.width(), 690e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka roundedTrueCrop.height()); 691e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 692e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 693e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 694e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (crop == null) { 695e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Log.w(LOGTAG, "cannot decode file: " + mInUri.toString()); 696e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka failure = true; 697e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return false; 698e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 69969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka if (mOutWidth > 0 && mOutHeight > 0 || mRotation > 0) { 70069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka float[] dimsAfter = new float[] { crop.getWidth(), crop.getHeight() }; 70169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka rotateMatrix.mapPoints(dimsAfter); 70269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka dimsAfter[0] = Math.abs(dimsAfter[0]); 70369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka dimsAfter[1] = Math.abs(dimsAfter[1]); 70469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 70569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka if (!(mOutWidth > 0 && mOutHeight > 0)) { 70669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mOutWidth = Math.round(dimsAfter[0]); 70769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka mOutHeight = Math.round(dimsAfter[1]); 708e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 70969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 71069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka RectF cropRect = new RectF(0, 0, dimsAfter[0], dimsAfter[1]); 711e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka RectF returnRect = new RectF(0, 0, mOutWidth, mOutHeight); 71269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 71369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix m = new Matrix(); 71469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka if (mRotation == 0) { 71569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka m.setRectToRect(cropRect, returnRect, Matrix.ScaleToFit.FILL); 71669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } else { 71769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix m1 = new Matrix(); 71869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka m1.setTranslate(-crop.getWidth() / 2f, -crop.getHeight() / 2f); 71969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix m2 = new Matrix(); 72069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka m2.setRotate(mRotation); 72169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix m3 = new Matrix(); 72269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka m3.setTranslate(dimsAfter[0] / 2f, dimsAfter[1] / 2f); 72369784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix m4 = new Matrix(); 72469784065ea78550944b7eddb559c0dac952e20e8Michael Jurka m4.setRectToRect(cropRect, returnRect, Matrix.ScaleToFit.FILL); 72569784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 72669784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix c1 = new Matrix(); 72769784065ea78550944b7eddb559c0dac952e20e8Michael Jurka c1.setConcat(m2, m1); 72869784065ea78550944b7eddb559c0dac952e20e8Michael Jurka Matrix c2 = new Matrix(); 72969784065ea78550944b7eddb559c0dac952e20e8Michael Jurka c2.setConcat(m4, m3); 73069784065ea78550944b7eddb559c0dac952e20e8Michael Jurka m.setConcat(c2, c1); 73169784065ea78550944b7eddb559c0dac952e20e8Michael Jurka } 73269784065ea78550944b7eddb559c0dac952e20e8Michael Jurka 733e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Bitmap tmp = Bitmap.createBitmap((int) returnRect.width(), 734e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka (int) returnRect.height(), Bitmap.Config.ARGB_8888); 735e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (tmp != null) { 736e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Canvas c = new Canvas(tmp); 737e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka Paint p = new Paint(); 738e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka p.setFilterBitmap(true); 739e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka c.drawBitmap(crop, m, p); 740e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka crop = tmp; 741e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 742e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 743e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 744e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (mSaveCroppedBitmap) { 745e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka mCroppedBitmap = crop; 746e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 747e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 748e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Get output compression format 749e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka CompressFormat cf = 750e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka convertExtensionToCompressFormat(getFileExtension(mOutputFormat)); 751e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 752e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Compress to byte array 753e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka ByteArrayOutputStream tmpOut = new ByteArrayOutputStream(2048); 754e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (crop.compress(cf, DEFAULT_COMPRESS_QUALITY, tmpOut)) { 755e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // If we need to set to the wallpaper, set it 756e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka if (mSetWallpaper && wallpaperManager != null) { 757e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka try { 758e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka byte[] outByteArray = tmpOut.toByteArray(); 759e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka wallpaperManager.setStream(new ByteArrayInputStream(outByteArray)); 760e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka if (mOnBitmapCroppedHandler != null) { 761e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka mOnBitmapCroppedHandler.onBitmapCropped(outByteArray); 762e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 763e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka } catch (IOException e) { 764e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka Log.w(LOGTAG, "cannot write stream to wallpaper", e); 765e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka failure = true; 766e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 767e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 768e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } else { 769e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka Log.w(LOGTAG, "cannot compress bitmap"); 770e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka failure = true; 771e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 772e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 773e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return !failure; // True if any of the operations failed 774e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 775e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 776e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka @Override 777e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected Boolean doInBackground(Void... params) { 778e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return cropBitmap(); 779e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 780e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 781e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka @Override 782e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected void onPostExecute(Boolean result) { 783e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka if (mOnEndRunnable != null) { 784e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka mOnEndRunnable.run(); 785e72aa7f0a64ff55f747751b7972ccb8acebab7daMichael Jurka } 786e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 787e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 788e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 789e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected static RectF getMaxCropRect( 790e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka int inWidth, int inHeight, int outWidth, int outHeight, boolean leftAligned) { 791e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka RectF cropRect = new RectF(); 792e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka // Get a crop rect that will fit this 793e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (inWidth / (float) inHeight > outWidth / (float) outHeight) { 794e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.top = 0; 795e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.bottom = inHeight; 796e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.left = (inWidth - (outWidth / (float) outHeight) * inHeight) / 2; 797e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.right = inWidth - cropRect.left; 798e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka if (leftAligned) { 799e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.right -= cropRect.left; 800e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.left = 0; 801e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 802e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } else { 803e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.left = 0; 804e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.right = inWidth; 805e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.top = (inHeight - (outHeight / (float) outWidth) * inWidth) / 2; 806e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka cropRect.bottom = inHeight - cropRect.top; 807e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 808e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return cropRect; 809e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 810e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 811e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected static CompressFormat convertExtensionToCompressFormat(String extension) { 812e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return extension.equals("png") ? CompressFormat.PNG : CompressFormat.JPEG; 813e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 814e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka 815e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka protected static String getFileExtension(String requestFormat) { 816e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka String outputFormat = (requestFormat == null) 817e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka ? "jpg" 818e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka : requestFormat; 819e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka outputFormat = outputFormat.toLowerCase(); 820e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka return (outputFormat.equals("png") || outputFormat.equals("gif")) 821e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka ? "png" // We don't support gif compression. 822e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka : "jpg"; 823e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka } 824e8d1bf7a439450b9979701909164a6baffbe8baeMichael Jurka} 825