diff --git a/transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/SwirlFilterTransformation.java b/transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/SwirlFilterTransformation.java new file mode 100644 index 0000000..3e83c3b --- /dev/null +++ b/transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/SwirlFilterTransformation.java @@ -0,0 +1,87 @@ +package jp.wasabeef.glide.transformations.gpu; + +/** + * 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 android.graphics.PointF; + +import jp.co.cyberagent.android.gpuimage.GPUImage; +import jp.co.cyberagent.android.gpuimage.GPUImageSwirlFilter; + +public class SwirlFilterTransformation implements Transformation { + + private Context mContext; + private BitmapPool mBitmapPool; + + private float mRadius; + private float mAngle; + private PointF mCenter; + + public SwirlFilterTransformation(Context context, BitmapPool pool) { + mContext = context; + mBitmapPool = pool; + } + + public SwirlFilterTransformation(Context context, BitmapPool pool, + float radius, float angle, PointF center) { + mContext = context; + mBitmapPool = pool; + mRadius = radius; + mAngle = angle; + mCenter = center; + } + + @Override + public Resource transform(Resource resource, int outWidth, int outHeight) { + Bitmap source = resource.get(); + + GPUImage gpuImage = new GPUImage(mContext); + gpuImage.setImage(source); + GPUImageSwirlFilter filter = new GPUImageSwirlFilter(); + if (mRadius != 0) { + filter.setAngle(mAngle); + } + if (mAngle != 0) { + filter.setRadius(mAngle); + } + if (mCenter != null) { + filter.setCenter(mCenter); + } + + gpuImage.setFilter(filter); + Bitmap bitmap = gpuImage.getBitmapWithFilterApplied(); + + source.recycle(); + + return BitmapResource.obtain(bitmap, mBitmapPool); + } + + @Override + public String getId() { + if (mCenter == null) { + mCenter = new PointF(); + } + return "SwirlFilterTransformation(radius=" + mRadius + + ",angle=" + mAngle + ",center=" + mCenter + ")"; + } +}