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package jp.wasabeef.glide.transformations.gpu; /*w w w . jav a 2 s . co m*/ /** * Copyright (C) 2015 Wasabeef * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import com.bumptech.glide.load.Transformation; import com.bumptech.glide.load.engine.Resource; import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool; import com.bumptech.glide.load.resource.bitmap.BitmapResource; import android.content.Context; import android.graphics.Bitmap; import jp.co.cyberagent.android.gpuimage.GPUImage; import jp.co.cyberagent.android.gpuimage.GPUImageContrastFilter; /** * contrast value ranges from 0.0 to 4.0, with 1.0 as the normal level */ public class ContrastFilterTransformation implements Transformation<Bitmap> { private Context mContext; private BitmapPool mBitmapPool; private GPUImageContrastFilter mFilter = new GPUImageContrastFilter(); private float mContrast; public ContrastFilterTransformation(Context context, BitmapPool pool) { mContext = context; mBitmapPool = pool; } public ContrastFilterTransformation(Context context, BitmapPool pool, float contrast) { mContext = context; mBitmapPool = pool; mContrast = contrast; mFilter.setContrast(mContrast); } @Override public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) { Bitmap source = resource.get(); GPUImage gpuImage = new GPUImage(mContext); gpuImage.setImage(source); gpuImage.setFilter(mFilter); Bitmap bitmap = gpuImage.getBitmapWithFilterApplied(); source.recycle(); return BitmapResource.obtain(bitmap, mBitmapPool); } @Override public String getId() { return "ContrastFilterTransformation(contrast=" + mContrast + ")"; } }