tests/tests/uirendering/src/android/uirendering/cts/testclasses/view/BitmapView.java

/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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 android.uirendering.cts.testclasses.view;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Path;
import android.util.AttributeSet;
import android.view.View;
import android.widget.FrameLayout;

public class BitmapView extends View {
    private Bitmap mBitmap;
    private boolean mSaveLayer;

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

    public BitmapView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    public BitmapView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
    }

    public BitmapView(Context context, Bitmap b, boolean saveLayer) {
        super(context);
        mBitmap = b;
        mSaveLayer = saveLayer;
    }

    public Bitmap getBitmap() {
        return mBitmap;
    }

    public void setBitmap(Bitmap bitmap) {
        mBitmap = bitmap;
    }

    public boolean isSaveLayer() {
        return mSaveLayer;
    }

    public void setSaveLayer(boolean saveLayer) {
        mSaveLayer = saveLayer;
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        if (mSaveLayer) {
            canvas.saveLayer(0.0f, 0.0f, getWidth(), getHeight(), null);
        }
        canvas.drawBitmap(mBitmap, 0, 0, null);
        if (mSaveLayer) {
            canvas.restore();
        }
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        setMeasuredDimension(mBitmap.getWidth(), mBitmap.getHeight());
    }
}