package edu.mit.mobile.android.imagecache; /* * Copyright (C) 2012 MIT Mobile Experience Lab * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ import android.graphics.Bitmap; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.support.v4.util.LruCache; public class DrawableMemCache<T> extends LruCache<T, Drawable> { @SuppressWarnings("unused") private static final String TAG = DrawableMemCache.class.getSimpleName(); public DrawableMemCache(int maxSize) { super(maxSize); } @Override protected int sizeOf(T key, Drawable value) { int size = 0; if (value instanceof BitmapDrawable) { final Bitmap b = ((BitmapDrawable) value).getBitmap(); if (b != null) { size = b.getRowBytes() * b.getHeight(); } } return size; } }