69 lines
2.1 KiB
Java
69 lines
2.1 KiB
Java
/*
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* Copyright 2015 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hippo.ehviewer;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import com.hippo.conaco.ValueHelper;
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import com.hippo.conaco.ValueHolder;
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import com.hippo.drawable.ImageWrapper;
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import com.hippo.image.Image;
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import com.hippo.yorozuya.io.InputStreamPipe;
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public class ImageWrapperHelper implements ValueHelper<ImageWrapper> {
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private static final String TAG = ImageWrapperHelper.class.getSimpleName();
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@Nullable
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@Override
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public ImageWrapper decode(@NonNull InputStreamPipe isPipe) {
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try {
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isPipe.obtain();
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Image image = Image.decode(isPipe.open(), false);
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if (image != null) {
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return new ImageWrapper(image);
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} else {
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return null;
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}
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} catch (Exception e) {
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e.printStackTrace();
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return null;
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} finally {
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isPipe.close();
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isPipe.release();
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}
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}
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@Override
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public int sizeOf(@NonNull String key, @NonNull ImageWrapper value) {
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return value.getWidth() * value.getHeight() * 4;
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}
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@Override
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public void onRemove(@NonNull String key, @NonNull ValueHolder<ImageWrapper> oldValue) {
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if (oldValue.isFree()) {
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oldValue.getValue().recycle();
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}
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}
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@Override
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public boolean useMemoryCache(@NonNull String key, ValueHolder<ImageWrapper> holder) {
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return holder == null || !holder.getValue().isLarge();
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}
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}
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