private Bitmap decodeBitmapMeta(BitmapMeta bitmapMeta, BitmapDisplayConfig config)
throws IOException {
if (bitmapMeta == null) return null;
Bitmap bitmap = null;
if (bitmapMeta.inputStream != null) {
if (config == null || config.isShowOriginal()) {
bitmap = BitmapDecoder.decodeFileDescriptor(bitmapMeta.inputStream.getFD());
} else {
bitmap =
BitmapDecoder.decodeSampledBitmapFromDescriptor(
bitmapMeta.inputStream.getFD(),
config.getBitmapMaxSize(),
config.getBitmapConfig());
}
} else if (bitmapMeta.data != null) {
if (config == null || config.isShowOriginal()) {
bitmap = BitmapDecoder.decodeByteArray(bitmapMeta.data);
} else {
bitmap =
BitmapDecoder.decodeSampledBitmapFromByteArray(
bitmapMeta.data, config.getBitmapMaxSize(), config.getBitmapConfig());
}
}
return bitmap;
}
public <T extends View> void display(
T container, String uri, BitmapDisplayConfig displayConfig, BitmapLoadCallBack<T> callBack) {
if (container == null) {
return;
}
container.clearAnimation();
if (callBack == null) {
callBack = new SimpleBitmapLoadCallBack<T>();
}
if (displayConfig == null || displayConfig == defaultDisplayConfig) {
displayConfig = defaultDisplayConfig.cloneNew();
}
// Optimize Max Size
BitmapSize size = displayConfig.getBitmapMaxSize();
displayConfig.setBitmapMaxSize(
BitmapCommonUtils.optimizeMaxSizeByView(container, size.getWidth(), size.getHeight()));
callBack.onPreLoad(container, uri, displayConfig);
if (TextUtils.isEmpty(uri)) {
callBack.onLoadFailed(container, uri, displayConfig.getLoadFailedDrawable());
return;
}
Bitmap bitmap = globalConfig.getBitmapCache().getBitmapFromMemCache(uri, displayConfig);
if (bitmap != null) {
callBack.onLoadStarted(container, uri, displayConfig);
callBack.onLoadCompleted(container, uri, bitmap, displayConfig, BitmapLoadFrom.MEMORY_CACHE);
} else if (!bitmapLoadTaskExist(container, uri, callBack)) {
final BitmapLoadTask<T> loadTask =
new BitmapLoadTask<T>(container, uri, displayConfig, callBack);
// set loading image
final AsyncDrawable<T> asyncDrawable =
new AsyncDrawable<T>(displayConfig.getLoadingDrawable(), loadTask);
callBack.setDrawable(container, asyncDrawable);
// load bitmap from uri or diskCache
loadTask.executeOnExecutor(globalConfig.getBitmapLoadExecutor());
}
}
/**
* Get the bitmap from disk cache.
*
* @param uri
* @param config
* @return
*/
public Bitmap getBitmapFromDiskCache(String uri, BitmapDisplayConfig config) {
if (uri == null || !globalConfig.isDiskCacheEnabled()) return null;
synchronized (mDiskCacheLock) {
while (!isDiskCacheReadied) {
try {
mDiskCacheLock.wait();
} catch (Throwable e) {
}
}
}
if (mDiskLruCache != null) {
LruDiskCache.Snapshot snapshot = null;
try {
snapshot = mDiskLruCache.get(uri);
if (snapshot != null) {
Bitmap bitmap = null;
if (config == null || config.isShowOriginal()) {
bitmap =
BitmapDecoder.decodeFileDescriptor(
snapshot.getInputStream(DISK_CACHE_INDEX).getFD());
} else {
bitmap =
BitmapDecoder.decodeSampledBitmapFromDescriptor(
snapshot.getInputStream(DISK_CACHE_INDEX).getFD(),
config.getBitmapMaxSize(),
config.getBitmapConfig());
}
bitmap = rotateBitmapIfNeeded(uri, config, bitmap);
addBitmapToMemoryCache(uri, config, bitmap, mDiskLruCache.getExpiryTimestamp(uri));
return bitmap;
}
} catch (Throwable e) {
LogUtils.e(e.getMessage(), e);
} finally {
IOUtils.closeQuietly(snapshot);
}
}
return null;
}