| /* |
| * Copyright (C) 2011 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.chimpchat; |
| |
| import com.android.ddmlib.RawImage; |
| import com.android.chimpchat.adb.image.CaptureRawAndConvertedImage; |
| import com.android.chimpchat.adb.image.ImageUtils; |
| import com.android.chimpchat.adb.image.CaptureRawAndConvertedImage.ChimpRawImage; |
| |
| import junit.framework.TestCase; |
| |
| import java.awt.image.BufferedImage; |
| import java.awt.image.WritableRaster; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ObjectInputStream; |
| |
| import javax.imageio.ImageIO; |
| |
| public class ImageUtilsTest extends TestCase { |
| private static BufferedImage createBufferedImage(String name) throws IOException { |
| InputStream is = ImageUtilsTest.class.getResourceAsStream(name); |
| BufferedImage img = ImageIO.read(is); |
| is.close(); |
| return img; |
| } |
| |
| private static RawImage createRawImage(String name) throws IOException, ClassNotFoundException { |
| ObjectInputStream is = |
| new ObjectInputStream(ImageUtilsTest.class.getResourceAsStream(name)); |
| CaptureRawAndConvertedImage.ChimpRawImage wrapper = (ChimpRawImage) is.readObject(); |
| is.close(); |
| return wrapper.toRawImage(); |
| } |
| |
| /** |
| * Check that the two images will draw the same (ie. have the same pixels). This is different |
| * that BufferedImage.equals(), which also wants to check that they have the same ColorModel |
| * and other parameters. |
| * |
| * @param i1 the first image |
| * @param i2 the second image |
| * @return true if both images will draw the same (ie. have same pixels). |
| */ |
| private static boolean checkImagesHaveSamePixels(BufferedImage i1, BufferedImage i2) { |
| if (i1.getWidth() != i2.getWidth()) { |
| return false; |
| } |
| if (i1.getHeight() != i2.getHeight()) { |
| return false; |
| } |
| |
| for (int y = 0; y < i1.getHeight(); y++) { |
| for (int x = 0; x < i1.getWidth(); x++) { |
| int p1 = i1.getRGB(x, y); |
| int p2 = i2.getRGB(x, y); |
| if (p1 != p2) { |
| WritableRaster r1 = i1.getRaster(); |
| WritableRaster r2 = i2.getRaster(); |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| public void testImageConversionOld() throws IOException, ClassNotFoundException { |
| RawImage rawImage = createRawImage("image1.raw"); |
| BufferedImage convertedImage = ImageUtils.convertImage(rawImage); |
| BufferedImage correctConvertedImage = createBufferedImage("image1.png"); |
| |
| assertTrue(checkImagesHaveSamePixels(convertedImage, correctConvertedImage)); |
| } |
| |
| public void testImageConversionNew() throws IOException, ClassNotFoundException { |
| RawImage rawImage = createRawImage("image2.raw"); |
| BufferedImage convertedImage = ImageUtils.convertImage(rawImage); |
| BufferedImage correctConvertedImage = createBufferedImage("image2.png"); |
| |
| assertTrue(checkImagesHaveSamePixels(convertedImage, correctConvertedImage)); |
| } |
| } |