/* * Copyright (C) 2010 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 com.android.test.hwui; import android.app.Activity; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Paint; import android.os.Bundle; import android.util.Log; import android.view.Gravity; import android.view.View; import android.widget.FrameLayout; @SuppressWarnings({"UnusedDeclaration"}) public class BitmapsAlphaActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); final BitmapsView view = new BitmapsView(this); final FrameLayout layout = new FrameLayout(this); layout.addView(view, new FrameLayout.LayoutParams(480, 800, Gravity.CENTER)); setContentView(layout); } static class BitmapsView extends View { private Paint mBitmapPaint; private final Bitmap mBitmap1; private final Bitmap mBitmap2; private Bitmap mBitmap3; BitmapsView(Context c) { super(c); Log.d("OpenGLRenderer", "Loading sunset1, default options"); mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1); Log.d("OpenGLRenderer", "Loading sunset2, default options"); mBitmap2 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset2); Log.d("OpenGLRenderer", "Loading sunset3, forcing ARGB-8888"); BitmapFactory.Options opts = new BitmapFactory.Options(); opts.inPreferredConfig = Bitmap.Config.ARGB_8888; mBitmap3 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset3, opts); Log.d("OpenGLRenderer", " has bitmap alpha? " + mBitmap3.hasAlpha()); mBitmapPaint = new Paint(); } @Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); Log.d("OpenGLRenderer", "================= Draw"); canvas.translate(120.0f, 50.0f); canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mBitmapPaint); canvas.translate(0.0f, mBitmap1.getHeight()); canvas.translate(0.0f, 25.0f); canvas.drawBitmap(mBitmap2, 0.0f, 0.0f, null); canvas.translate(0.0f, mBitmap2.getHeight()); canvas.translate(0.0f, 25.0f); canvas.drawBitmap(mBitmap3, 0.0f, 0.0f, null); } } }