1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.test.hwui; 18 19 import android.app.Activity; 20 import android.content.Context; 21 import android.graphics.Canvas; 22 import android.graphics.Paint; 23 import android.os.Bundle; 24 import android.util.Log; 25 import android.view.View; 26 27 @SuppressWarnings({"UnusedDeclaration"}) 28 public class MatrixActivity extends Activity { 29 @Override 30 protected void onCreate(Bundle savedInstanceState) { 31 super.onCreate(savedInstanceState); 32 33 setContentView(new MatrixView(this)); 34 } 35 36 static class MatrixView extends View { 37 MatrixView(Context c) { 38 super(c); 39 } 40 41 @Override 42 protected void onDraw(Canvas canvas) { 43 super.onDraw(canvas); 44 canvas.drawRGB(255, 255, 255); 45 46 Log.d("Matrix", "m1=" + canvas.getMatrix()); 47 48 canvas.save(); 49 canvas.translate(10.0f, 10.0f); 50 Log.d("Matrix", "m2=" + canvas.getMatrix()); 51 canvas.translate(20.0f, 20.0f); 52 Log.d("Matrix", "m3=" + canvas.getMatrix()); 53 canvas.restore(); 54 } 55 } 56 } 57
