diff options
Diffstat (limited to 'cropper/src/main/java/com/theartofdev/edmodo/cropper/BitmapLoadingWorkerTask.java')
-rw-r--r-- | cropper/src/main/java/com/theartofdev/edmodo/cropper/BitmapLoadingWorkerTask.java | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/cropper/src/main/java/com/theartofdev/edmodo/cropper/BitmapLoadingWorkerTask.java b/cropper/src/main/java/com/theartofdev/edmodo/cropper/BitmapLoadingWorkerTask.java deleted file mode 100644 index a6ecf9396..000000000 --- a/cropper/src/main/java/com/theartofdev/edmodo/cropper/BitmapLoadingWorkerTask.java +++ /dev/null @@ -1,176 +0,0 @@ -// "Therefore those skilled at the unorthodox -// are infinite as heaven and earth, -// inexhaustible as the great rivers. -// When they come to an end, -// they begin again, -// like the days and months; -// they die and are reborn, -// like the four seasons." -// -// - Sun Tsu, -// "The Art of War" - -package com.theartofdev.edmodo.cropper; - -import android.content.Context; -import android.graphics.Bitmap; -import android.net.Uri; -import android.os.AsyncTask; -import android.util.DisplayMetrics; - -import java.lang.ref.WeakReference; - -/** - * Task to load bitmap asynchronously from the UI thread. - */ -final class BitmapLoadingWorkerTask extends AsyncTask<Void, Void, BitmapLoadingWorkerTask.Result> { - - // region: Fields and Consts - - /** - * Use a WeakReference to ensure the ImageView can be garbage collected - */ - private final WeakReference<CropImageView> mCropImageViewReference; - - /** - * The Android URI of the image to load - */ - private final Uri mUri; - - /** - * The context of the crop image view widget used for loading of bitmap by Android URI - */ - private final Context mContext; - - /** - * required width of the cropping image after density adjustment - */ - private final int mWidth; - - /** - * required height of the cropping image after density adjustment - */ - private final int mHeight; - // endregion - - public BitmapLoadingWorkerTask(CropImageView cropImageView, Uri uri) { - mUri = uri; - mCropImageViewReference = new WeakReference<>(cropImageView); - - mContext = cropImageView.getContext(); - - DisplayMetrics metrics = cropImageView.getResources().getDisplayMetrics(); - double densityAdj = metrics.density > 1 ? 1 / metrics.density : 1; - mWidth = (int) (metrics.widthPixels * densityAdj); - mHeight = (int) (metrics.heightPixels * densityAdj); - } - - /** - * The Android URI that this task is currently loading. - */ - public Uri getUri() { - return mUri; - } - - /** - * Decode image in background. - * - * @param params ignored - * @return the decoded bitmap data - */ - @Override - protected Result doInBackground(Void... params) { - try { - if (!isCancelled()) { - - BitmapUtils.BitmapSampled decodeResult = - BitmapUtils.decodeSampledBitmap(mContext, mUri, mWidth, mHeight); - - if (!isCancelled()) { - - BitmapUtils.RotateBitmapResult rotateResult = - BitmapUtils.rotateBitmapByExif(decodeResult.bitmap, mContext, mUri); - - return new Result( - mUri, rotateResult.bitmap, decodeResult.sampleSize, rotateResult.degrees); - } - } - return null; - } catch (Exception e) { - return new Result(mUri, e); - } - } - - /** - * Once complete, see if ImageView is still around and set bitmap. - * - * @param result the result of bitmap loading - */ - @Override - protected void onPostExecute(Result result) { - if (result != null) { - boolean completeCalled = false; - if (!isCancelled()) { - CropImageView cropImageView = mCropImageViewReference.get(); - if (cropImageView != null) { - completeCalled = true; - cropImageView.onSetImageUriAsyncComplete(result); - } - } - if (!completeCalled && result.bitmap != null) { - // fast release of unused bitmap - result.bitmap.recycle(); - } - } - } - - // region: Inner class: Result - - /** - * The result of BitmapLoadingWorkerTask async loading. - */ - public static final class Result { - - /** - * The Android URI of the image to load - */ - public final Uri uri; - - /** - * The loaded bitmap - */ - public final Bitmap bitmap; - - /** - * The sample size used to load the given bitmap - */ - public final int loadSampleSize; - - /** - * The degrees the image was rotated - */ - public final int degreesRotated; - - /** - * The error that occurred during async bitmap loading. - */ - public final Exception error; - - Result(Uri uri, Bitmap bitmap, int loadSampleSize, int degreesRotated) { - this.uri = uri; - this.bitmap = bitmap; - this.loadSampleSize = loadSampleSize; - this.degreesRotated = degreesRotated; - this.error = null; - } - - Result(Uri uri, Exception error) { - this.uri = uri; - this.bitmap = null; - this.loadSampleSize = 0; - this.degreesRotated = 0; - this.error = error; - } - } - // endregion -} |