public boolean isImageLoaded(String uri) {
Bitmap btm = mBitmapContainer.get(uri);
if (btm == null || btm.isRecycled()) {
return false;
}
return true;
}
public void add(String key, BitmapCacheContainer container) {
if (container == null || container.isRecycled() || container.get() == null) return;
BitmapCacheContainer old = mCache.object(key);
if (old != null) {
if (old.getLastUpdateTime() < container.getLastUpdateTime()) {
mCache.remove(key);
} else {
Bitmap oldBmp = old.get();
Bitmap newBmp = container.get();
if (oldBmp != null
&& Math.max(oldBmp.getWidth(), oldBmp.getHeight())
> Math.max(newBmp.getWidth(), newBmp.getHeight())) {
return;
}
}
}
mCache.insert(key, container, container.getCost());
}
private Bitmap loadBitmap(int id) {
String key = normalizeURI(id);
Bitmap btm = mBitmapContainer.get(key);
if (null != btm) {
return (btm);
}
Options options = getOptimizedBitmapOption();
if (options.inJustDecodeBounds) {
BitmapFactory.decodeResource(mRes, id, options);
options.inSampleSize = calculateInSampleSize(options, mMaxWidth, mMaxHeight);
options.inJustDecodeBounds = false;
}
btm = DebugBitmap.decodeResource(mRes, id, options);
return storeBitmap(key, btm);
}
/**
* Get the Bitmap according to the uri. If it is not loaded, it try to load first.
*
* @param uri
* @return
*/
public Bitmap getBitmap(String uri) {
// if (DEBUG) {
// cacheLog(TAG, mIdCache + " * Requesting: " + uri);
// }
if (uri == null) {
return null;
}
Bitmap btm = mBitmapContainer.get(uri);
if (btm == null || btm.isRecycled()) {
if (btm != null) {
mBitmapContainer.remove(uri);
}
btm = loadBitmap(uri);
}
return btm;
}
/**
* Store a bitmap with the name of the URI
*
* @param btm
* @param uri
* @return The bitmap stored
*/
public Bitmap storeBitmap(String uri, Bitmap btm) {
if (null != btm && null != uri) {
if (mBitmapContainer.get(uri) != null) {
if (DEBUG) {
Log.w(
TAG,
mIdCache + " = The image with the URI=" + uri + " already exist. Overwritting...");
}
// return btm;
}
mLoadingResources.put(uri, IMAGE_LOADED);
mBitmapContainer.put(uri, btm);
if (DEBUG) {
cacheLogD(mIdCache + " + Saving Bitmap: loadBitmap(ExBitmap btm): " + uri);
}
} else {
if (DEBUG) {
cacheLogE(mIdCache + " = Trying to store a null bitmap for uri=" + uri);
}
}
return btm;
}
