diff options
Diffstat (limited to 'src/com/android/gallery3d/app/CropImage.java')
| -rw-r--r-- | src/com/android/gallery3d/app/CropImage.java | 1040 |
1 files changed, 0 insertions, 1040 deletions
diff --git a/src/com/android/gallery3d/app/CropImage.java b/src/com/android/gallery3d/app/CropImage.java deleted file mode 100644 index 89ca63d44..000000000 --- a/src/com/android/gallery3d/app/CropImage.java +++ /dev/null @@ -1,1040 +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.app; - -import android.annotation.TargetApi; -import android.app.ActionBar; -import android.app.ProgressDialog; -import android.app.WallpaperManager; -import android.content.ContentValues; -import android.content.Intent; -import android.graphics.Bitmap; -import android.graphics.Bitmap.CompressFormat; -import android.graphics.Bitmap.Config; -import android.graphics.BitmapFactory; -import android.graphics.BitmapRegionDecoder; -import android.graphics.Canvas; -import android.graphics.Paint; -import android.graphics.Rect; -import android.graphics.RectF; -import android.net.Uri; -import android.os.Build; -import android.os.Bundle; -import android.os.Environment; -import android.os.Handler; -import android.os.Message; -import android.provider.MediaStore; -import android.provider.MediaStore.Images; -import android.util.FloatMath; -import android.view.Menu; -import android.view.MenuItem; -import android.view.Window; -import android.view.WindowManager; -import android.widget.Toast; - -import com.android.camera.Util; -import com.android.gallery3d.R; -import com.android.gallery3d.common.ApiHelper; -import com.android.gallery3d.common.BitmapUtils; -import com.android.gallery3d.common.Utils; -import com.android.gallery3d.data.DataManager; -import com.android.gallery3d.data.LocalImage; -import com.android.gallery3d.data.MediaItem; -import com.android.gallery3d.data.MediaObject; -import com.android.gallery3d.data.Path; -import com.android.gallery3d.exif.ExifData; -import com.android.gallery3d.exif.ExifOutputStream; -import com.android.gallery3d.exif.ExifReader; -import com.android.gallery3d.exif.ExifTag; -import com.android.gallery3d.picasasource.PicasaSource; -import com.android.gallery3d.ui.BitmapScreenNail; -import com.android.gallery3d.ui.BitmapTileProvider; -import com.android.gallery3d.ui.CropView; -import com.android.gallery3d.ui.GLRoot; -import com.android.gallery3d.ui.SynchronizedHandler; -import com.android.gallery3d.ui.TileImageViewAdapter; -import com.android.gallery3d.util.BucketNames; -import com.android.gallery3d.util.Future; -import com.android.gallery3d.util.FutureListener; -import com.android.gallery3d.util.GalleryUtils; -import com.android.gallery3d.util.InterruptableOutputStream; -import com.android.gallery3d.util.ThreadPool.CancelListener; -import com.android.gallery3d.util.ThreadPool.Job; -import com.android.gallery3d.util.ThreadPool.JobContext; - -import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.OutputStream; -import java.nio.ByteOrder; -import java.text.SimpleDateFormat; -import java.util.Date; - -/** - * The activity can crop specific region of interest from an image. - */ -public class CropImage extends AbstractGalleryActivity { - private static final String TAG = "CropImage"; - public static final String ACTION_CROP = "com.android.camera.action.CROP"; - - private static final int MAX_PIXEL_COUNT = 5 * 1000000; // 5M pixels - private static final int MAX_FILE_INDEX = 1000; - private static final int TILE_SIZE = 512; - private static final int BACKUP_PIXEL_COUNT = 480000; // around 800x600 - - private static final int MSG_LARGE_BITMAP = 1; - private static final int MSG_BITMAP = 2; - private static final int MSG_SAVE_COMPLETE = 3; - private static final int MSG_SHOW_SAVE_ERROR = 4; - private static final int MSG_CANCEL_DIALOG = 5; - - private static final int MAX_BACKUP_IMAGE_SIZE = 320; - private static final int DEFAULT_COMPRESS_QUALITY = 90; - private static final String TIME_STAMP_NAME = "'IMG'_yyyyMMdd_HHmmss"; - - public static final String KEY_RETURN_DATA = "return-data"; - public static final String KEY_CROPPED_RECT = "cropped-rect"; - public static final String KEY_ASPECT_X = "aspectX"; - public static final String KEY_ASPECT_Y = "aspectY"; - public static final String KEY_SPOTLIGHT_X = "spotlightX"; - public static final String KEY_SPOTLIGHT_Y = "spotlightY"; - public static final String KEY_OUTPUT_X = "outputX"; - public static final String KEY_OUTPUT_Y = "outputY"; - public static final String KEY_SCALE = "scale"; - public static final String KEY_DATA = "data"; - public static final String KEY_SCALE_UP_IF_NEEDED = "scaleUpIfNeeded"; - public static final String KEY_OUTPUT_FORMAT = "outputFormat"; - public static final String KEY_SET_AS_WALLPAPER = "set-as-wallpaper"; - public static final String KEY_NO_FACE_DETECTION = "noFaceDetection"; - public static final String KEY_SHOW_WHEN_LOCKED = "showWhenLocked"; - - private static final String KEY_STATE = "state"; - - private static final int STATE_INIT = 0; - private static final int STATE_LOADED = 1; - private static final int STATE_SAVING = 2; - - public static final File DOWNLOAD_BUCKET = new File( - Environment.getExternalStorageDirectory(), BucketNames.DOWNLOAD); - - public static final String CROP_ACTION = "com.android.camera.action.CROP"; - - private int mState = STATE_INIT; - - private CropView mCropView; - - private boolean mDoFaceDetection = true; - - private Handler mMainHandler; - - // We keep the following members so that we can free them - - // mBitmap is the unrotated bitmap we pass in to mCropView for detect faces. - // mCropView is responsible for rotating it to the way that it is viewed by users. - private Bitmap mBitmap; - private BitmapTileProvider mBitmapTileProvider; - private BitmapRegionDecoder mRegionDecoder; - private Bitmap mBitmapInIntent; - private boolean mUseRegionDecoder = false; - private BitmapScreenNail mBitmapScreenNail; - - private ProgressDialog mProgressDialog; - private Future<BitmapRegionDecoder> mLoadTask; - private Future<Bitmap> mLoadBitmapTask; - private Future<Intent> mSaveTask; - - private MediaItem mMediaItem; - - @Override - public void onCreate(Bundle bundle) { - super.onCreate(bundle); - requestWindowFeature(Window.FEATURE_ACTION_BAR); - requestWindowFeature(Window.FEATURE_ACTION_BAR_OVERLAY); - - // Initialize UI - setContentView(R.layout.cropimage); - mCropView = new CropView(this); - getGLRoot().setContentPane(mCropView); - - ActionBar actionBar = getActionBar(); - int displayOptions = ActionBar.DISPLAY_HOME_AS_UP - | ActionBar.DISPLAY_SHOW_TITLE; - actionBar.setDisplayOptions(displayOptions, displayOptions); - - Bundle extra = getIntent().getExtras(); - if (extra != null) { - if (extra.getBoolean(KEY_SET_AS_WALLPAPER, false)) { - actionBar.setTitle(getString(R.string.set_wallpaper)); - } - if (extra.getBoolean(KEY_SHOW_WHEN_LOCKED, false)) { - getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED); - } - } - - mMainHandler = new SynchronizedHandler(getGLRoot()) { - @Override - public void handleMessage(Message message) { - switch (message.what) { - case MSG_LARGE_BITMAP: { - dismissProgressDialogIfShown(); - onBitmapRegionDecoderAvailable((BitmapRegionDecoder) message.obj); - break; - } - case MSG_BITMAP: { - dismissProgressDialogIfShown(); - onBitmapAvailable((Bitmap) message.obj); - break; - } - case MSG_SHOW_SAVE_ERROR: { - dismissProgressDialogIfShown(); - setResult(RESULT_CANCELED); - Toast.makeText(CropImage.this, - CropImage.this.getString(R.string.save_error), - Toast.LENGTH_LONG).show(); - finish(); - } - case MSG_SAVE_COMPLETE: { - dismissProgressDialogIfShown(); - setResult(RESULT_OK, (Intent) message.obj); - finish(); - break; - } - case MSG_CANCEL_DIALOG: { - setResult(RESULT_CANCELED); - finish(); - break; - } - } - } - }; - - setCropParameters(); - } - - @Override - protected void onSaveInstanceState(Bundle saveState) { - saveState.putInt(KEY_STATE, mState); - } - - @Override - public boolean onCreateOptionsMenu(Menu menu) { - super.onCreateOptionsMenu(menu); - getMenuInflater().inflate(R.menu.crop, menu); - return true; - } - - @Override - public boolean onOptionsItemSelected(MenuItem item) { - switch (item.getItemId()) { - case android.R.id.home: { - finish(); - break; - } - case R.id.cancel: { - setResult(RESULT_CANCELED); - finish(); - break; - } - case R.id.save: { - onSaveClicked(); - break; - } - } - return true; - } - - @Override - public void onBackPressed() { - finish(); - } - - private class SaveOutput implements Job<Intent> { - private final RectF mCropRect; - - public SaveOutput(RectF cropRect) { - mCropRect = cropRect; - } - - @Override - public Intent run(JobContext jc) { - RectF cropRect = mCropRect; - Bundle extra = getIntent().getExtras(); - - Rect rect = new Rect( - Math.round(cropRect.left), Math.round(cropRect.top), - Math.round(cropRect.right), Math.round(cropRect.bottom)); - - Intent result = new Intent(); - result.putExtra(KEY_CROPPED_RECT, rect); - Bitmap cropped = null; - boolean outputted = false; - if (extra != null) { - Uri uri = (Uri) extra.getParcelable(MediaStore.EXTRA_OUTPUT); - if (uri != null) { - if (jc.isCancelled()) return null; - outputted = true; - cropped = getCroppedImage(rect); - if (!saveBitmapToUri(jc, cropped, uri)) return null; - } - if (extra.getBoolean(KEY_RETURN_DATA, false)) { - if (jc.isCancelled()) return null; - outputted = true; - if (cropped == null) cropped = getCroppedImage(rect); - result.putExtra(KEY_DATA, cropped); - } - if (extra.getBoolean(KEY_SET_AS_WALLPAPER, false)) { - if (jc.isCancelled()) return null; - outputted = true; - if (cropped == null) cropped = getCroppedImage(rect); - if (!setAsWallpaper(jc, cropped)) return null; - } - } - if (!outputted) { - if (jc.isCancelled()) return null; - if (cropped == null) cropped = getCroppedImage(rect); - Uri data = saveToMediaProvider(jc, cropped); - if (data != null) result.setData(data); - } - return result; - } - } - - public static String determineCompressFormat(MediaObject obj) { - String compressFormat = "JPEG"; - if (obj instanceof MediaItem) { - String mime = ((MediaItem) obj).getMimeType(); - if (mime.contains("png") || mime.contains("gif")) { - // Set the compress format to PNG for png and gif images - // because they may contain alpha values. - compressFormat = "PNG"; - } - } - return compressFormat; - } - - private boolean setAsWallpaper(JobContext jc, Bitmap wallpaper) { - try { - WallpaperManager.getInstance(this).setBitmap(wallpaper); - } catch (IOException e) { - Log.w(TAG, "fail to set wall paper", e); - } - return true; - } - - private File saveMedia( - JobContext jc, Bitmap cropped, File directory, String filename, ExifData exifData) { - // Try file-1.jpg, file-2.jpg, ... until we find a filename - // which does not exist yet. - File candidate = null; - String fileExtension = getFileExtension(); - for (int i = 1; i < MAX_FILE_INDEX; ++i) { - candidate = new File(directory, filename + "-" + i + "." - + fileExtension); - try { - if (candidate.createNewFile()) break; - } catch (IOException e) { - Log.e(TAG, "fail to create new file: " - + candidate.getAbsolutePath(), e); - return null; - } - } - if (!candidate.exists() || !candidate.isFile()) { - throw new RuntimeException("cannot create file: " + filename); - } - - candidate.setReadable(true, false); - candidate.setWritable(true, false); - - try { - FileOutputStream fos = new FileOutputStream(candidate); - try { - if (exifData != null) { - ExifOutputStream eos = new ExifOutputStream(fos); - eos.setExifData(exifData); - saveBitmapToOutputStream(jc, cropped, - convertExtensionToCompressFormat(fileExtension), eos); - } else { - saveBitmapToOutputStream(jc, cropped, - convertExtensionToCompressFormat(fileExtension), fos); - } - } finally { - fos.close(); - } - } catch (IOException e) { - Log.e(TAG, "fail to save image: " - + candidate.getAbsolutePath(), e); - candidate.delete(); - return null; - } - - if (jc.isCancelled()) { - candidate.delete(); - return null; - } - - return candidate; - } - - private ExifData getExifData(String path) { - FileInputStream is = null; - try { - is = new FileInputStream(path); - ExifReader reader = new ExifReader(); - ExifData data = reader.read(is); - return data; - } catch (Throwable t) { - Log.w(TAG, "Cannot read EXIF data", t); - return null; - } finally { - Util.closeSilently(is); - } - } - - private static final String EXIF_SOFTWARE_VALUE = "Android Gallery"; - - private void changeExifData(ExifData data, int width, int height) { - data.addTag(ExifTag.TAG_IMAGE_WIDTH).setValue(width); - data.addTag(ExifTag.TAG_IMAGE_LENGTH).setValue(height); - data.addTag(ExifTag.TAG_SOFTWARE).setValue(EXIF_SOFTWARE_VALUE); - data.addTag(ExifTag.TAG_DATE_TIME).setTimeValue(System.currentTimeMillis()); - // Remove the original thumbnail - // TODO: generate a new thumbnail for the cropped image. - data.removeThumbnailData(); - } - - private Uri saveToMediaProvider(JobContext jc, Bitmap cropped) { - if (PicasaSource.isPicasaImage(mMediaItem)) { - return savePicasaImage(jc, cropped); - } else if (mMediaItem instanceof LocalImage) { - return saveLocalImage(jc, cropped); - } else { - return saveGenericImage(jc, cropped); - } - } - - @TargetApi(Build.VERSION_CODES.JELLY_BEAN) - private static void setImageSize(ContentValues values, int width, int height) { - // The two fields are available since ICS but got published in JB - if (ApiHelper.HAS_MEDIA_COLUMNS_WIDTH_AND_HEIGHT) { - values.put(Images.Media.WIDTH, width); - values.put(Images.Media.HEIGHT, height); - } - } - - private Uri savePicasaImage(JobContext jc, Bitmap cropped) { - if (!DOWNLOAD_BUCKET.isDirectory() && !DOWNLOAD_BUCKET.mkdirs()) { - throw new RuntimeException("cannot create download folder"); - } - String filename = PicasaSource.getImageTitle(mMediaItem); - int pos = filename.lastIndexOf('.'); - if (pos >= 0) filename = filename.substring(0, pos); - ExifData exifData = new ExifData(ByteOrder.BIG_ENDIAN); - PicasaSource.extractExifValues(mMediaItem, exifData); - changeExifData(exifData, cropped.getWidth(), cropped.getHeight()); - File output = saveMedia(jc, cropped, DOWNLOAD_BUCKET, filename, exifData); - if (output == null) return null; - - long now = System.currentTimeMillis() / 1000; - ContentValues values = new ContentValues(); - values.put(Images.Media.TITLE, PicasaSource.getImageTitle(mMediaItem)); - values.put(Images.Media.DISPLAY_NAME, output.getName()); - values.put(Images.Media.DATE_TAKEN, PicasaSource.getDateTaken(mMediaItem)); - values.put(Images.Media.DATE_MODIFIED, now); - values.put(Images.Media.DATE_ADDED, now); - values.put(Images.Media.MIME_TYPE, getOutputMimeType()); - values.put(Images.Media.ORIENTATION, 0); - values.put(Images.Media.DATA, output.getAbsolutePath()); - values.put(Images.Media.SIZE, output.length()); - setImageSize(values, cropped.getWidth(), cropped.getHeight()); - - double latitude = PicasaSource.getLatitude(mMediaItem); - double longitude = PicasaSource.getLongitude(mMediaItem); - if (GalleryUtils.isValidLocation(latitude, longitude)) { - values.put(Images.Media.LATITUDE, latitude); - values.put(Images.Media.LONGITUDE, longitude); - } - return getContentResolver().insert( - Images.Media.EXTERNAL_CONTENT_URI, values); - } - - private Uri saveLocalImage(JobContext jc, Bitmap cropped) { - LocalImage localImage = (LocalImage) mMediaItem; - - File oldPath = new File(localImage.filePath); - File directory = new File(oldPath.getParent()); - - String filename = oldPath.getName(); - int pos = filename.lastIndexOf('.'); - if (pos >= 0) filename = filename.substring(0, pos); - File output = null; - - ExifData exifData = null; - if (convertExtensionToCompressFormat(getFileExtension()) == CompressFormat.JPEG) { - exifData = getExifData(oldPath.getAbsolutePath()); - if (exifData != null) { - changeExifData(exifData, cropped.getWidth(), cropped.getHeight()); - } - } - output = saveMedia(jc, cropped, directory, filename, exifData); - if (output == null) return null; - - long now = System.currentTimeMillis() / 1000; - ContentValues values = new ContentValues(); - values.put(Images.Media.TITLE, localImage.caption); - values.put(Images.Media.DISPLAY_NAME, output.getName()); - values.put(Images.Media.DATE_TAKEN, localImage.dateTakenInMs); - values.put(Images.Media.DATE_MODIFIED, now); - values.put(Images.Media.DATE_ADDED, now); - values.put(Images.Media.MIME_TYPE, getOutputMimeType()); - values.put(Images.Media.ORIENTATION, 0); - values.put(Images.Media.DATA, output.getAbsolutePath()); - values.put(Images.Media.SIZE, output.length()); - - setImageSize(values, cropped.getWidth(), cropped.getHeight()); - - if (GalleryUtils.isValidLocation(localImage.latitude, localImage.longitude)) { - values.put(Images.Media.LATITUDE, localImage.latitude); - values.put(Images.Media.LONGITUDE, localImage.longitude); - } - return getContentResolver().insert( - Images.Media.EXTERNAL_CONTENT_URI, values); - } - - private Uri saveGenericImage(JobContext jc, Bitmap cropped) { - if (!DOWNLOAD_BUCKET.isDirectory() && !DOWNLOAD_BUCKET.mkdirs()) { - throw new RuntimeException("cannot create download folder"); - } - - long now = System.currentTimeMillis(); - String filename = new SimpleDateFormat(TIME_STAMP_NAME). - format(new Date(now)); - - File output = saveMedia(jc, cropped, DOWNLOAD_BUCKET, filename, null); - if (output == null) return null; - - ContentValues values = new ContentValues(); - values.put(Images.Media.TITLE, filename); - values.put(Images.Media.DISPLAY_NAME, output.getName()); - values.put(Images.Media.DATE_TAKEN, now); - values.put(Images.Media.DATE_MODIFIED, now / 1000); - values.put(Images.Media.DATE_ADDED, now / 1000); - values.put(Images.Media.MIME_TYPE, getOutputMimeType()); - values.put(Images.Media.ORIENTATION, 0); - values.put(Images.Media.DATA, output.getAbsolutePath()); - values.put(Images.Media.SIZE, output.length()); - - setImageSize(values, cropped.getWidth(), cropped.getHeight()); - - return getContentResolver().insert( - Images.Media.EXTERNAL_CONTENT_URI, values); - } - - private boolean saveBitmapToOutputStream( - JobContext jc, Bitmap bitmap, CompressFormat format, OutputStream os) { - // We wrap the OutputStream so that it can be interrupted. - final InterruptableOutputStream ios = new InterruptableOutputStream(os); - jc.setCancelListener(new CancelListener() { - @Override - public void onCancel() { - ios.interrupt(); - } - }); - try { - bitmap.compress(format, DEFAULT_COMPRESS_QUALITY, ios); - return !jc.isCancelled(); - } finally { - jc.setCancelListener(null); - Utils.closeSilently(ios); - } - } - - private boolean saveBitmapToUri(JobContext jc, Bitmap bitmap, Uri uri) { - try { - OutputStream out = getContentResolver().openOutputStream(uri); - try { - return saveBitmapToOutputStream(jc, bitmap, - convertExtensionToCompressFormat(getFileExtension()), out); - } finally { - Utils.closeSilently(out); - } - } catch (FileNotFoundException e) { - Log.w(TAG, "cannot write output", e); - } - return true; - } - - private CompressFormat convertExtensionToCompressFormat(String extension) { - return extension.equals("png") - ? CompressFormat.PNG - : CompressFormat.JPEG; - } - - private String getOutputMimeType() { - return getFileExtension().equals("png") ? "image/png" : "image/jpeg"; - } - - private String getFileExtension() { - String requestFormat = getIntent().getStringExtra(KEY_OUTPUT_FORMAT); - String outputFormat = (requestFormat == null) - ? determineCompressFormat(mMediaItem) - : requestFormat; - - outputFormat = outputFormat.toLowerCase(); - return (outputFormat.equals("png") || outputFormat.equals("gif")) - ? "png" // We don't support gif compression. - : "jpg"; - } - - private void onSaveClicked() { - Bundle extra = getIntent().getExtras(); - RectF cropRect = mCropView.getCropRectangle(); - if (cropRect == null) return; - mState = STATE_SAVING; - int messageId = extra != null && extra.getBoolean(KEY_SET_AS_WALLPAPER) - ? R.string.wallpaper - : R.string.saving_image; - mProgressDialog = ProgressDialog.show( - this, null, getString(messageId), true, false); - mSaveTask = getThreadPool().submit(new SaveOutput(cropRect), - new FutureListener<Intent>() { - @Override - public void onFutureDone(Future<Intent> future) { - mSaveTask = null; - if (future.isCancelled()) return; - Intent intent = future.get(); - if (intent != null) { - mMainHandler.sendMessage(mMainHandler.obtainMessage( - MSG_SAVE_COMPLETE, intent)); - } else { - mMainHandler.sendEmptyMessage(MSG_SHOW_SAVE_ERROR); - } - } - }); - } - - private Bitmap getCroppedImage(Rect rect) { - Utils.assertTrue(rect.width() > 0 && rect.height() > 0); - - Bundle extras = getIntent().getExtras(); - // (outputX, outputY) = the width and height of the returning bitmap. - int outputX = rect.width(); - int outputY = rect.height(); - if (extras != null) { - outputX = extras.getInt(KEY_OUTPUT_X, outputX); - outputY = extras.getInt(KEY_OUTPUT_Y, outputY); - } - - if (outputX * outputY > MAX_PIXEL_COUNT) { - float scale = FloatMath.sqrt((float) MAX_PIXEL_COUNT / outputX / outputY); - Log.w(TAG, "scale down the cropped image: " + scale); - outputX = Math.round(scale * outputX); - outputY = Math.round(scale * outputY); - } - - // (rect.width() * scaleX, rect.height() * scaleY) = - // the size of drawing area in output bitmap - float scaleX = 1; - float scaleY = 1; - Rect dest = new Rect(0, 0, outputX, outputY); - if (extras == null || extras.getBoolean(KEY_SCALE, true)) { - scaleX = (float) outputX / rect.width(); - scaleY = (float) outputY / rect.height(); - if (extras == null || !extras.getBoolean( - KEY_SCALE_UP_IF_NEEDED, false)) { - if (scaleX > 1f) scaleX = 1; - if (scaleY > 1f) scaleY = 1; - } - } - - // Keep the content in the center (or crop the content) - int rectWidth = Math.round(rect.width() * scaleX); - int rectHeight = Math.round(rect.height() * scaleY); - dest.set(Math.round((outputX - rectWidth) / 2f), - Math.round((outputY - rectHeight) / 2f), - Math.round((outputX + rectWidth) / 2f), - Math.round((outputY + rectHeight) / 2f)); - - if (mBitmapInIntent != null) { - Bitmap source = mBitmapInIntent; - Bitmap result = Bitmap.createBitmap( - outputX, outputY, Config.ARGB_8888); - Canvas canvas = new Canvas(result); - canvas.drawBitmap(source, rect, dest, null); - return result; - } - - if (mUseRegionDecoder) { - int rotation = mMediaItem.getFullImageRotation(); - rotateRectangle(rect, mCropView.getImageWidth(), - mCropView.getImageHeight(), 360 - rotation); - rotateRectangle(dest, outputX, outputY, 360 - rotation); - - BitmapFactory.Options options = new BitmapFactory.Options(); - int sample = BitmapUtils.computeSampleSizeLarger( - Math.max(scaleX, scaleY)); - options.inSampleSize = sample; - - // The decoding result is what we want if - // 1. The size of the decoded bitmap match the destination's size - // 2. The destination covers the whole output bitmap - // 3. No rotation - if ((rect.width() / sample) == dest.width() - && (rect.height() / sample) == dest.height() - && (outputX == dest.width()) && (outputY == dest.height()) - && rotation == 0) { - // To prevent concurrent access in GLThread - synchronized (mRegionDecoder) { - return mRegionDecoder.decodeRegion(rect, options); - } - } - Bitmap result = Bitmap.createBitmap( - outputX, outputY, Config.ARGB_8888); - Canvas canvas = new Canvas(result); - rotateCanvas(canvas, outputX, outputY, rotation); - drawInTiles(canvas, mRegionDecoder, rect, dest, sample); - return result; - } else { - int rotation = mMediaItem.getRotation(); - rotateRectangle(rect, mCropView.getImageWidth(), - mCropView.getImageHeight(), 360 - rotation); - rotateRectangle(dest, outputX, outputY, 360 - rotation); - Bitmap result = Bitmap.createBitmap(outputX, outputY, Config.ARGB_8888); - Canvas canvas = new Canvas(result); - rotateCanvas(canvas, outputX, outputY, rotation); - canvas.drawBitmap(mBitmap, - rect, dest, new Paint(Paint.FILTER_BITMAP_FLAG)); - return result; - } - } - - private static void rotateCanvas( - Canvas canvas, int width, int height, int rotation) { - canvas.translate(width / 2, height / 2); - canvas.rotate(rotation); - if (((rotation / 90) & 0x01) == 0) { - canvas.translate(-width / 2, -height / 2); - } else { - canvas.translate(-height / 2, -width / 2); - } - } - - private static void rotateRectangle( - Rect rect, int width, int height, int rotation) { - if (rotation == 0 || rotation == 360) return; - - int w = rect.width(); - int h = rect.height(); - switch (rotation) { - case 90: { - rect.top = rect.left; - rect.left = height - rect.bottom; - rect.right = rect.left + h; - rect.bottom = rect.top + w; - return; - } - case 180: { - rect.left = width - rect.right; - rect.top = height - rect.bottom; - rect.right = rect.left + w; - rect.bottom = rect.top + h; - return; - } - case 270: { - rect.left = rect.top; - rect.top = width - rect.right; - rect.right = rect.left + h; - rect.bottom = rect.top + w; - return; - } - default: throw new AssertionError(); - } - } - - private void drawInTiles(Canvas canvas, - BitmapRegionDecoder decoder, Rect rect, Rect dest, int sample) { - int tileSize = TILE_SIZE * sample; - Rect tileRect = new Rect(); - BitmapFactory.Options options = new BitmapFactory.Options(); - options.inPreferredConfig = Config.ARGB_8888; - options.inSampleSize = sample; - canvas.translate(dest.left, dest.top); - canvas.scale((float) sample * dest.width() / rect.width(), - (float) sample * dest.height() / rect.height()); - Paint paint = new Paint(Paint.FILTER_BITMAP_FLAG); - for (int tx = rect.left, x = 0; - tx < rect.right; tx += tileSize, x += TILE_SIZE) { - for (int ty = rect.top, y = 0; - ty < rect.bottom; ty += tileSize, y += TILE_SIZE) { - tileRect.set(tx, ty, tx + tileSize, ty + tileSize); - if (tileRect.intersect(rect)) { - Bitmap bitmap; - - // To prevent concurrent access in GLThread - synchronized (decoder) { - bitmap = decoder.decodeRegion(tileRect, options); - } - canvas.drawBitmap(bitmap, x, y, paint); - bitmap.recycle(); - } - } - } - } - - private void onBitmapRegionDecoderAvailable( - BitmapRegionDecoder regionDecoder) { - - if (regionDecoder == null) { - Toast.makeText(this, R.string.fail_to_load_image, Toast.LENGTH_SHORT).show(); - finish(); - return; - } - mRegionDecoder = regionDecoder; - mUseRegionDecoder = true; - mState = STATE_LOADED; - - BitmapFactory.Options options = new BitmapFactory.Options(); - int width = regionDecoder.getWidth(); - int height = regionDecoder.getHeight(); - options.inSampleSize = BitmapUtils.computeSampleSize(width, height, - BitmapUtils.UNCONSTRAINED, BACKUP_PIXEL_COUNT); - mBitmap = regionDecoder.decodeRegion( - new Rect(0, 0, width, height), options); - - mBitmapScreenNail = new BitmapScreenNail(mBitmap); - - TileImageViewAdapter adapter = new TileImageViewAdapter(); - adapter.setScreenNail(mBitmapScreenNail, width, height); - adapter.setRegionDecoder(regionDecoder); - - mCropView.setDataModel(adapter, mMediaItem.getFullImageRotation()); - if (mDoFaceDetection) { - mCropView.detectFaces(mBitmap); - } else { - mCropView.initializeHighlightRectangle(); - } - } - - private void onBitmapAvailable(Bitmap bitmap) { - if (bitmap == null) { - Toast.makeText(this, R.string.fail_to_load_image, Toast.LENGTH_SHORT).show(); - finish(); - return; - } - mUseRegionDecoder = false; - mState = STATE_LOADED; - - mBitmap = bitmap; - BitmapFactory.Options options = new BitmapFactory.Options(); - mCropView.setDataModel(new BitmapTileProvider(bitmap, 512), - mMediaItem.getRotation()); - if (mDoFaceDetection) { - mCropView.detectFaces(bitmap); - } else { - mCropView.initializeHighlightRectangle(); - } - } - - private void setCropParameters() { - Bundle extras = getIntent().getExtras(); - if (extras == null) - return; - int aspectX = extras.getInt(KEY_ASPECT_X, 0); - int aspectY = extras.getInt(KEY_ASPECT_Y, 0); - if (aspectX != 0 && aspectY != 0) { - mCropView.setAspectRatio((float) aspectX / aspectY); - } - - float spotlightX = extras.getFloat(KEY_SPOTLIGHT_X, 0); - float spotlightY = extras.getFloat(KEY_SPOTLIGHT_Y, 0); - if (spotlightX != 0 && spotlightY != 0) { - mCropView.setSpotlightRatio(spotlightX, spotlightY); - } - } - - private void initializeData() { - Bundle extras = getIntent().getExtras(); - - if (extras != null) { - if (extras.containsKey(KEY_NO_FACE_DETECTION)) { - mDoFaceDetection = !extras.getBoolean(KEY_NO_FACE_DETECTION); - } - - mBitmapInIntent = extras.getParcelable(KEY_DATA); - - if (mBitmapInIntent != null) { - mBitmapTileProvider = - new BitmapTileProvider(mBitmapInIntent, MAX_BACKUP_IMAGE_SIZE); - mCropView.setDataModel(mBitmapTileProvider, 0); - if (mDoFaceDetection) { - mCropView.detectFaces(mBitmapInIntent); - } else { - mCropView.initializeHighlightRectangle(); - } - mState = STATE_LOADED; - return; - } - } - - mProgressDialog = ProgressDialog.show( - this, null, getString(R.string.loading_image), true, true); - mProgressDialog.setCanceledOnTouchOutside(false); - mProgressDialog.setCancelMessage(mMainHandler.obtainMessage(MSG_CANCEL_DIALOG)); - - mMediaItem = getMediaItemFromIntentData(); - if (mMediaItem == null) return; - - boolean supportedByBitmapRegionDecoder = - (mMediaItem.getSupportedOperations() & MediaItem.SUPPORT_FULL_IMAGE) != 0; - if (supportedByBitmapRegionDecoder) { - mLoadTask = getThreadPool().submit(new LoadDataTask(mMediaItem), - new FutureListener<BitmapRegionDecoder>() { - @Override - public void onFutureDone(Future<BitmapRegionDecoder> future) { - mLoadTask = null; - BitmapRegionDecoder decoder = future.get(); - if (future.isCancelled()) { - if (decoder != null) decoder.recycle(); - return; - } - mMainHandler.sendMessage(mMainHandler.obtainMessage( - MSG_LARGE_BITMAP, decoder)); - } - }); - } else { - mLoadBitmapTask = getThreadPool().submit(new LoadBitmapDataTask(mMediaItem), - new FutureListener<Bitmap>() { - @Override - public void onFutureDone(Future<Bitmap> future) { - mLoadBitmapTask = null; - Bitmap bitmap = future.get(); - if (future.isCancelled()) { - if (bitmap != null) bitmap.recycle(); - return; - } - mMainHandler.sendMessage(mMainHandler.obtainMessage( - MSG_BITMAP, bitmap)); - } - }); - } - } - - @Override - protected void onResume() { - super.onResume(); - if (mState == STATE_INIT) initializeData(); - if (mState == STATE_SAVING) onSaveClicked(); - - // TODO: consider to do it in GLView system - GLRoot root = getGLRoot(); - root.lockRenderThread(); - try { - mCropView.resume(); - } finally { - root.unlockRenderThread(); - } - } - - @Override - protected void onPause() { - super.onPause(); - dismissProgressDialogIfShown(); - - Future<BitmapRegionDecoder> loadTask = mLoadTask; - if (loadTask != null && !loadTask.isDone()) { - // load in progress, try to cancel it - loadTask.cancel(); - loadTask.waitDone(); - } - - Future<Bitmap> loadBitmapTask = mLoadBitmapTask; - if (loadBitmapTask != null && !loadBitmapTask.isDone()) { - // load in progress, try to cancel it - loadBitmapTask.cancel(); - loadBitmapTask.waitDone(); - } - - Future<Intent> saveTask = mSaveTask; - if (saveTask != null && !saveTask.isDone()) { - // save in progress, try to cancel it - saveTask.cancel(); - saveTask.waitDone(); - } - GLRoot root = getGLRoot(); - root.lockRenderThread(); - try { - mCropView.pause(); - } finally { - root.unlockRenderThread(); - } - } - - @Override - protected void onDestroy() { - super.onDestroy(); - if (mBitmapScreenNail != null) { - mBitmapScreenNail.recycle(); - mBitmapScreenNail = null; - } - } - - private void dismissProgressDialogIfShown() { - if (mProgressDialog != null) { - mProgressDialog.dismiss(); - mProgressDialog = null; - } - } - - private MediaItem getMediaItemFromIntentData() { - Uri uri = getIntent().getData(); - DataManager manager = getDataManager(); - Path path = manager.findPathByUri(uri, getIntent().getType()); - if (path == null) { - Log.w(TAG, "cannot get path for: " + uri + ", or no data given"); - return null; - } - return (MediaItem) manager.getMediaObject(path); - } - - private class LoadDataTask implements Job<BitmapRegionDecoder> { - MediaItem mItem; - - public LoadDataTask(MediaItem item) { - mItem = item; - } - - @Override - public BitmapRegionDecoder run(JobContext jc) { - return mItem == null ? null : mItem.requestLargeImage().run(jc); - } - } - - private class LoadBitmapDataTask implements Job<Bitmap> { - MediaItem mItem; - - public LoadBitmapDataTask(MediaItem item) { - mItem = item; - } - @Override - public Bitmap run(JobContext jc) { - return mItem == null - ? null - : mItem.requestImage(MediaItem.TYPE_THUMBNAIL).run(jc); - } - } -} |