/*******************************************************************************
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* Copyright 2011-2013 Sergey Tarasevich
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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.nostra13.universalimageloader.core.process;
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import android.graphics.Bitmap;
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import com.nostra13.universalimageloader.core.DisplayImageOptions;
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/**
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* Makes some processing on {@link Bitmap}. Implementations can apply any changes to original {@link Bitmap}.<br />
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* Implementations have to be thread-safe.
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*
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* @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
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* @since 1.8.0
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*/
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public interface BitmapProcessor {
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/**
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* Makes some processing of incoming bitmap.<br />
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* This method is executing on additional thread (not on UI thread).<br />
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* <b>Note:</b> If this processor is used as {@linkplain DisplayImageOptions.Builder#preProcessor(BitmapProcessor)
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* pre-processor} then don't forget {@linkplain Bitmap#recycle() to recycle} incoming bitmap if you return a new
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* created one.
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*
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* @param bitmap Original {@linkplain Bitmap bitmap}
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* @return Processed {@linkplain Bitmap bitmap}
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*/
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Bitmap process(Bitmap bitmap);
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}
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