diff --git a/transformations/src/main/java/jp/wasabeef/glide/transformations/CropSquareTransformation.java b/transformations/src/main/java/jp/wasabeef/glide/transformations/CropSquareTransformation.java new file mode 100644 index 0000000..e994ce9 --- /dev/null +++ b/transformations/src/main/java/jp/wasabeef/glide/transformations/CropSquareTransformation.java @@ -0,0 +1,62 @@ +package jp.wasabeef.glide.transformations; + +/** + * 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.graphics.Bitmap; + +public class CropSquareTransformation implements Transformation { + + private BitmapPool mBitmapPool; + private int mWidth; + private int mHeight; + + public CropSquareTransformation(BitmapPool pool) { + this.mBitmapPool = pool; + } + + public CropSquareTransformation(BitmapPool pool, int width, int height) { + mBitmapPool = pool; + mWidth = width; + mHeight = height; + } + + @Override + public Resource transform(Resource resource, int outWidth, int outHeight) { + Bitmap source = resource.get(); + int size = Math.min(source.getWidth(), source.getHeight()); + + int x = (source.getWidth() - size) / 2; + int y = (source.getHeight() - size) / 2; + + Bitmap bitmap = Bitmap.createBitmap(source, x, y, size, size); + if (bitmap != source) { + source.recycle(); + } + + return BitmapResource.obtain(bitmap, mBitmapPool); + } + + @Override + public String getId() { + return "CropSquareTransform(width=" + mWidth + ", height=" + mHeight + ")"; + } +}