130 lines
3.9 KiB
Java
130 lines
3.9 KiB
Java
/*
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* Copyright (c) 2014, 2016, 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 8041465
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* @summary Test verifies that standard ImageIO plugins handle
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* multiple reads correctly.
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*
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* @run main MultiReadTest
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*/
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import java.awt.Color;
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import java.awt.Graphics2D;
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import java.awt.Rectangle;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReadParam;
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import javax.imageio.ImageReader;
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import javax.imageio.stream.ImageInputStream;
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public class MultiReadTest {
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private static final File pwd = new File(".");
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private static final Color srcColor = Color.red;
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private static final int width = 200;
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private static final int height = 200;
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private static final int max = 5;
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public static void main(String[] args) throws IOException {
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final String[] formats = { "bmp", "png", "gif", "jpg", "tif" };
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for (String f : formats) {
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test(f);
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}
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}
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private static void test(String format) throws IOException {
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System.out.println("Format: " + format);
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BufferedImage src = createSrc();
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ImageInputStream iis = prepareInput(src, format);
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ImageReader reader = ImageIO.getImageReaders(iis).next();
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reader.setInput(iis);
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ImageReadParam p = reader.getDefaultReadParam();
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int cnt = 0;
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do {
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System.out.println("cnt: " + cnt);
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p.setSourceRegion(new Rectangle(width / 4, height / 4,
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width / 2, height / 2));
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BufferedImage dst = reader.read(0, p);
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final Color c = new Color(dst.getRGB(10, 10), true);
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if (!sameColor(c, srcColor)) {
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throw new RuntimeException(
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String.format("Test failed: read color 0x%X\n",
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c.getRGB()));
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}
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} while (++cnt < max);
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}
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private static boolean sameColor(Color c1, Color c2) {
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final float delta = 0.1f;
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float[] rgb1 = new float[4];
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float[] rgb2 = new float[4];
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rgb1 = c1.getRGBComponents(rgb1);
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rgb2 = c2.getRGBComponents(rgb2);
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for (int i = 0; i < rgb1.length; i++) {
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if (Math.abs(rgb1[i] - rgb2[i]) > delta) {
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return false;
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}
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}
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return true;
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}
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private static BufferedImage createSrc() {
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BufferedImage img = new BufferedImage(width, height,
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BufferedImage.TYPE_INT_RGB);
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Graphics2D g = img.createGraphics();
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g.setColor(srcColor);
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g.fillRect(0, 0, width, height);
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g.dispose();
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return img;
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}
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private static ImageInputStream prepareInput(BufferedImage src, String format) throws IOException {
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File f = File.createTempFile("src_", "." + format, pwd);
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if (ImageIO.write(src, format, f)) {
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return ImageIO.createImageInputStream(f);
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}
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return null;
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}
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}
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