@SuppressLint("NewApi")
@Override
public CustomDrawable doDecode(byte[] bytes, DecodeInfo decodeInfo, UrlSizeKey key, int from) {
long threadId = Thread.currentThread().getId();
int viewWidth = key.mViewWidth;
int viewHeight = key.mViewHeight;
Options opts = decodeInfo.mBitmapOptions;
opts.inJustDecodeBounds = true;
opts.inSampleSize = 1;
opts.outWidth = -1;
opts.outHeight = -1;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
opts.inBitmap = null;
}
BitmapFactory.decodeByteArray(bytes, 0, bytes.length, opts);
int bitmapWidth = opts.outWidth;
int bitmapHeight = opts.outHeight;
ImageLoaderLog.d(TAG, key.mUrl);
ImageLoaderLog.d(TAG, threadId + " bitmap width:" + bitmapWidth + ",height:" + bitmapHeight);
ImageLoaderLog.d(TAG, threadId + " view width:" + viewWidth + ",height:" + viewHeight);
if (bitmapWidth <= 0 || bitmapHeight <= 0) {
return null;
}
int sampleSize = getSampleSize(decodeInfo, bitmapWidth, bitmapHeight, viewWidth, viewHeight);
bitmapWidth /= sampleSize;
bitmapHeight /= sampleSize;
ImageLoaderLog.d(TAG, threadId + " sampleSize:" + sampleSize);
opts.inJustDecodeBounds = false;
opts.inSampleSize = sampleSize;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
opts.inMutable = true;
opts.inBitmap =
ImageLoader.getInstance().mBitmapPool.get(bitmapWidth, bitmapHeight, false, false);
}
Bitmap bm = null;
try {
bm = BitmapFactory.decodeByteArray(bytes, 0, bytes.length, opts);
if (sampleSize > 1) {
saveToDisk(bm, key);
}
} catch (Exception e) {
ImageLoaderLog.d(TAG, threadId + " bitmap decode error");
e.printStackTrace();
return null;
}
if (bm != null) {
ImageLoaderLog.d(
TAG, threadId + " after bitmap width:" + bm.getWidth() + ",height:" + bm.getHeight());
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
BitmapLock.lockBitmap(bm);
}
}
BitmapDrawable bd = BitmapDrawableFactory.createBitmapDrawable(bm);
return bd;
}
@Override
public SizeDrawable getSize(byte[] bytes, DecodeInfo decodeInfo) {
Options opts = decodeInfo.mBitmapOptions;
opts.inJustDecodeBounds = true;
opts.inSampleSize = 1;
opts.outWidth = -1;
opts.outHeight = -1;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
opts.inBitmap = null;
}
BitmapFactory.decodeByteArray(bytes, 0, bytes.length, opts);
int bitmapWidth = opts.outWidth;
int bitmapHeight = opts.outHeight;
return new SizeDrawable(bitmapWidth, bitmapHeight);
}
// This is the same as the method above except the source data comes
// from a file descriptor instead of a byte array.
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public static Bitmap decodeUsingPool(
JobContext jc, FileDescriptor fileDescriptor, Options options) {
if (options == null) options = new BitmapFactory.Options();
if (options.inSampleSize < 1) options.inSampleSize = 1;
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
options.inBitmap =
(options.inSampleSize == 1) ? findCachedBitmap(jc, fileDescriptor, options) : null;
try {
Bitmap bitmap = DecodeUtils.decode(jc, fileDescriptor, options);
if (options.inBitmap != null && options.inBitmap != bitmap) {
GalleryBitmapPool.getInstance().put(options.inBitmap);
options.inBitmap = null;
}
return bitmap;
} catch (IllegalArgumentException e) {
if (options.inBitmap == null) throw e;
Log.w(TAG, "decode fail with a given bitmap, try decode to a new bitmap");
GalleryBitmapPool.getInstance().put(options.inBitmap);
options.inBitmap = null;
return decode(jc, fileDescriptor, options);
}
}
@TargetApi(11)
private void copyOptions11(Options srcOptions, Options destOptions) {
destOptions.inBitmap = srcOptions.inBitmap;
destOptions.inMutable = srcOptions.inMutable;
}
