229 lines
8.5 KiB
Java
229 lines
8.5 KiB
Java
/*
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* Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4892194 8014427
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* @summary Test checks that we able to encode TYPE_3BYTE_BGR images to bmp
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* format. Test failed if ArrayIndexOutOfBoundsException will be thrown
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* or pixel colors will be changed by the writing/reading.
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*/
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import java.awt.Color;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.color.ColorSpace;
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import java.awt.image.BufferedImage;
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import java.awt.image.ColorModel;
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import java.awt.image.ComponentColorModel;
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import java.awt.image.DataBuffer;
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import java.awt.image.Raster;
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import java.awt.image.WritableRaster;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import javax.imageio.IIOImage;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageWriter;
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import javax.imageio.stream.ImageOutputStream;
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import javax.swing.JComponent;
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import javax.swing.JFrame;
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public class Write3ByteBgrTest {
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private static int width = 100;
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private static int height = 100;
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private static Color color = new Color(0x10, 0x20, 0x30);
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static int bufferedImageType[] = {
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BufferedImage.TYPE_CUSTOM,
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BufferedImage.TYPE_BYTE_BINARY,
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BufferedImage.TYPE_3BYTE_BGR
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};
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static String bufferedImageStringType[] = {
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"BufferedImage.TYPE_CUSTOM: test for BandedSampleModel",
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"BufferedImage.TYPE_BYTE_BINARY",
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"BufferedImage.TYPE_3BYTE_BGR"
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};
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private static String writingFormat = "BMP";
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private static ImageWriter writer = (ImageWriter)ImageIO.getImageWritersByFormatName(writingFormat).next();
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private int type;
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public static void main(String[] args) {
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//int i = 0;
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for(int i=0; i<bufferedImageType.length; i++) {
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Write3ByteBgrTest t1 = new Write3ByteBgrTest(bufferedImageType[i]);
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System.out.println("\n\nImage test for type " + bufferedImageStringType[i]);
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t1.doImageTest();
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}
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}
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private Write3ByteBgrTest(int type) {
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this.type = type;
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}
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private void doImageTest() {
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try {
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BufferedImage src = createTestImage(type);
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BufferedImage dst = writeImage(src);
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compareImages(src, dst);
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} catch (ArrayIndexOutOfBoundsException e) {
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throw new RuntimeException("Test failed: index out of array bounds!");
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}
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}
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private void compareImages(BufferedImage src, BufferedImage dst) {
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Object dstPixel = dst.getRaster().getDataElements(width/2, height/2, null);
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Object srcPixel = src.getRaster().getDataElements(width/2, height/2, null);
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if ( (src.getColorModel().getRed(srcPixel) != dst.getColorModel().getRed(dstPixel)) ||
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(src.getColorModel().getGreen(srcPixel) != dst.getColorModel().getGreen(dstPixel)) ||
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(src.getColorModel().getBlue(srcPixel) != dst.getColorModel().getBlue(dstPixel)) ||
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(src.getColorModel().getAlpha(srcPixel) != dst.getColorModel().getAlpha(dstPixel)) ) {
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showPixel(src, width/2, height/2);
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showPixel(dst, width/2, height/2);
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showRes(dst, src);
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throw new RuntimeException(
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"Colors are different: " +
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Integer.toHexString(src.getColorModel().getRGB(srcPixel)) + " and " +
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Integer.toHexString(dst.getColorModel().getRGB(dstPixel)));
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}
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}
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private BufferedImage writeImage(BufferedImage src) {
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try {
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BufferedImage dst = null;
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if (!writer.getOriginatingProvider().canEncodeImage(src)) {
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throw new RuntimeException(writingFormat+" writer does not support the image type "+type);
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}
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System.out.println(writingFormat+" writer claims it can encode the image "+type);
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
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writer.setOutput(ios);
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IIOImage img = new IIOImage(src.getRaster(), null, null);
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writer.write(img);
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ios.close();
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baos.close();
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// save to file
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File f = new File("test"+src.getType()+".bmp");
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FileOutputStream fos = new FileOutputStream(f);
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fos.write(baos.toByteArray());
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fos.close();
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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dst = ImageIO.read(bais);
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return dst;
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} catch (IOException e) {
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e.printStackTrace();
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throw new RuntimeException(e);
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}
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}
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private static void showPixel(BufferedImage src, int x, int y) {
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System.out.println("Img is " + src);
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Object p = src.getRaster().getDataElements(x, y, null);
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System.out.println("RGB: " +
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Integer.toHexString(src.getColorModel().getRGB(p)));
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System.out.println("Red: " +
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Integer.toHexString(src.getColorModel().getRed(p)));
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System.out.println("Green: " +
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Integer.toHexString(src.getColorModel().getGreen(p)));
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System.out.println("Blue: " +
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Integer.toHexString(src.getColorModel().getBlue(p)));
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System.out.println("Alpha: " +
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Integer.toHexString(src.getColorModel().getAlpha(p)));
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}
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private static BufferedImage createTestImage(int type) {
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return createTestImage(type, color);
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}
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private static BufferedImage createTestImage(int type, Color c) {
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BufferedImage i = null;
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if (type == BufferedImage.TYPE_CUSTOM) {
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WritableRaster wr = Raster.createBandedRaster(
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DataBuffer.TYPE_BYTE,
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width, height,
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width, // scanlineStride
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new int[] { 0, 1, 2},// bankIndices[],
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new int[] { 1, 2, 0},// bankOffsets[],
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null);
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ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
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ColorModel cm = new ComponentColorModel(cs,
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new int[] { 8, 8, 8},
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false,
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false,
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ColorModel.OPAQUE,
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DataBuffer.TYPE_BYTE);
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i = new BufferedImage(cm, wr, false, null);
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} else {
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i = new BufferedImage(width, height, type);
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}
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Graphics2D g = i.createGraphics();
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g.setColor(c);
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g.fillRect(0, 0, width, height);
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g.setColor(Color.white);
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g.drawRect(10,10, width-20, height-20);
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return i;
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}
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private static void showRes(final BufferedImage src,
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final BufferedImage dst)
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{
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final int w = src.getWidth()+ dst.getWidth();
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final int h = Math.max(src.getHeight(), dst.getHeight());
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JFrame f = new JFrame("Test results");
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f.getContentPane().add( new JComponent() {
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public Dimension getPreferredSize() {
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return new Dimension(w,h);
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}
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public void paintComponent(Graphics g) {
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g.drawImage(src,0,0, null);
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g.drawImage(dst, src.getWidth(),0, null);
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}
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});
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f.pack();
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f.setVisible(true);
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}
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}
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