TopCropImageView.java

/*
 * Copyright (C) 2016 Google Inc. All Rights Reserved.
 *
 * 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.
 */

package com.google.android.apps.santatracker.games;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.widget.ImageView;

public class TopCropImageView extends ImageView {

    public TopCropImageView(Context context) {
        super(context);
    }

    public TopCropImageView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public TopCropImageView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        Drawable drawable = getDrawable();

        if (drawable != null) {
            int width = MeasureSpec.getSize(widthMeasureSpec);
            int diw = drawable.getIntrinsicWidth();
            if (diw > 0) {
                int height = width * drawable.getIntrinsicHeight() / diw;
                setMeasuredDimension(width, height);
                return;
            }
        }

        super.onMeasure(widthMeasureSpec, heightMeasureSpec);

    }
}