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add ColorFilter
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package jp.wasabeef.glide.transformations;
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/**
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* Copyright (C) 2015 Wasabeef
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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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import com.bumptech.glide.load.Transformation;
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import com.bumptech.glide.load.engine.Resource;
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import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
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import com.bumptech.glide.load.resource.bitmap.BitmapResource;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.PorterDuff;
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import android.graphics.PorterDuffColorFilter;
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public class ColorFilterTransformation implements Transformation<Bitmap> {
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private BitmapPool mBitmapPool;
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private int mColor;
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public ColorFilterTransformation(BitmapPool pool, int color) {
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mBitmapPool = pool;
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mColor = color;
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}
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@Override
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public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
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Bitmap source = resource.get();
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int width = source.getWidth();
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int height = source.getHeight();
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Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(bitmap);
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Paint paint = new Paint();
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paint.setAntiAlias(true);
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paint.setColorFilter(new PorterDuffColorFilter(mColor, PorterDuff.Mode.SRC_ATOP));
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canvas.drawBitmap(source, 0, 0, paint);
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source.recycle();
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return BitmapResource.obtain(bitmap, mBitmapPool);
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}
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@Override
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public String getId() {
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return "ColorFilterTransform(color=" + mColor + ")";
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}
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}
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