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Moonchild
35 lines
1.2 KiB
Java
35 lines
1.2 KiB
Java
/*
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* Copyright (C) 2013 Square, Inc.
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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.squareup.picasso;
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import android.graphics.Bitmap;
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/** Image transformation. */
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public interface Transformation {
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/**
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* Transform the source bitmap into a new bitmap. If you create a new bitmap instance, you must
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* call {@link android.graphics.Bitmap#recycle()} on {@code source}. You may return the original
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* if no transformation is required.
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*/
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Bitmap transform(Bitmap source);
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/**
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* Returns a unique key for the transformation, used for caching purposes. If the transformation
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* has parameters (e.g. size, scale factor, etc) then these should be part of the key.
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*/
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String key();
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}
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