| /* |
| * Copyright (C) 2008 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.example.android.apis.graphics; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.graphics.*; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.PictureDrawable; |
| import android.os.Bundle; |
| import android.view.KeyEvent; |
| import android.view.View; |
| |
| import java.io.*; |
| |
| public class Pictures extends GraphicsActivity { |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(new SampleView(this)); |
| } |
| |
| private static class SampleView extends View { |
| private Picture mPicture; |
| private Drawable mDrawable; |
| |
| static void drawSomething(Canvas canvas) { |
| Paint p = new Paint(Paint.ANTI_ALIAS_FLAG); |
| |
| p.setColor(0x88FF0000); |
| canvas.drawCircle(50, 50, 40, p); |
| |
| p.setColor(Color.GREEN); |
| p.setTextSize(30); |
| canvas.drawText("Pictures", 60, 60, p); |
| } |
| |
| public SampleView(Context context) { |
| super(context); |
| setFocusable(true); |
| setFocusableInTouchMode(true); |
| |
| mPicture = new Picture(); |
| drawSomething(mPicture.beginRecording(200, 100)); |
| mPicture.endRecording(); |
| |
| mDrawable = new PictureDrawable(mPicture); |
| } |
| |
| @Override protected void onDraw(Canvas canvas) { |
| canvas.drawColor(Color.WHITE); |
| |
| canvas.drawPicture(mPicture); |
| |
| canvas.drawPicture(mPicture, new RectF(0, 100, getWidth(), 200)); |
| |
| mDrawable.setBounds(0, 200, getWidth(), 300); |
| mDrawable.draw(canvas); |
| |
| ByteArrayOutputStream os = new ByteArrayOutputStream(); |
| mPicture.writeToStream(os); |
| InputStream is = new ByteArrayInputStream(os.toByteArray()); |
| canvas.translate(0, 300); |
| canvas.drawPicture(Picture.createFromStream(is)); |
| } |
| } |
| } |
| |