| /* |
| * Copyright (c) 2005, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 4339415 |
| * @summary Tests that GIF writer plugin writes image sequences correctly |
| */ |
| |
| import java.awt.Color; |
| import java.awt.Graphics; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.IndexColorModel; |
| import java.io.File; |
| import java.io.IOException; |
| |
| import javax.imageio.IIOImage; |
| import javax.imageio.ImageIO; |
| import javax.imageio.ImageReader; |
| import javax.imageio.ImageTypeSpecifier; |
| import javax.imageio.ImageWriteParam; |
| import javax.imageio.ImageWriter; |
| import javax.imageio.metadata.IIOMetadata; |
| import javax.imageio.stream.ImageOutputStream; |
| |
| public class AnimationTest { |
| |
| BufferedImage img = null; |
| int x, y; |
| int w, h; |
| |
| protected static String fname = "animtest.gif"; |
| |
| public AnimationTest() { |
| w = h = 100; |
| } |
| |
| private void initFrame() { |
| if (img != null) { |
| return; |
| } |
| byte r[] = new byte[256]; |
| byte g[] = new byte[256]; |
| byte b[] = new byte[256]; |
| |
| for (int i = 0; i < 256; i++) { |
| r[i] = g[i] = b[i] = (byte)0x00; |
| } |
| r[0] = (byte)0x00; g[0] = (byte)0x00; b[0] = (byte)0x00; |
| r[1] = (byte)0xFF; g[1] = (byte)0xFF; b[1] = (byte)0xFF; |
| r[2] = (byte)0xFF; g[3] = (byte)0xFF; b[4] = (byte)0xFF; |
| |
| IndexColorModel icm = new IndexColorModel(8, 256, |
| r, g, b); |
| |
| img = new BufferedImage(w, h, |
| BufferedImage.TYPE_BYTE_INDEXED, |
| icm); |
| } |
| |
| private BufferedImage createNextFrame() { |
| Graphics g = img.createGraphics(); |
| g.setColor(Color.white); |
| g.fillRect(0, 0, w, h); |
| |
| g.setColor(Color.red); |
| g.drawLine(x, 0, x, h); |
| |
| g.setColor(Color.blue); |
| g.drawLine(0, y, w, y); |
| |
| x += 2; |
| y += 2; |
| |
| x %= w; |
| y %= h; |
| |
| return img; |
| } |
| |
| ImageWriter writer = null; |
| |
| private ImageWriter initWriter() throws IOException { |
| ImageOutputStream ios = |
| ImageIO.createImageOutputStream(new File(fname)); |
| writer = ImageIO.getImageWritersByFormatName("GIF").next(); |
| |
| writer.setOutput(ios); |
| |
| return writer; |
| } |
| |
| public static void main(String[] args) { |
| try { |
| AnimationTest t = new AnimationTest(); |
| t.initFrame(); |
| |
| ImageWriter w = t.initWriter(); |
| |
| ImageWriteParam p = w.getDefaultWriteParam(); |
| |
| IIOMetadata streamMetadata = w.getDefaultStreamMetadata(p); |
| |
| w.prepareWriteSequence(streamMetadata); |
| |
| for (int i = 0; i < 50; i++) { |
| BufferedImage f = t.createNextFrame(); |
| |
| ImageTypeSpecifier type = new ImageTypeSpecifier(f); |
| |
| IIOMetadata m = w.getDefaultImageMetadata(type, p); |
| |
| w.writeToSequence(new IIOImage(f, null, m), p); |
| } |
| w.endWriteSequence(); |
| |
| t.checkAnimation(); |
| } catch (Exception e) { |
| throw new RuntimeException("Test failed.", e); |
| } |
| } |
| |
| protected void checkAnimation() throws IOException { |
| ImageReader r = ImageIO.getImageReadersByFormatName("GIF").next(); |
| r.setInput(ImageIO.createImageInputStream(new File(fname))); |
| |
| int n = r.getNumImages(true); |
| for (int i = 0; i < n; i++) { |
| BufferedImage f = r.read(i); |
| checkFrame(i, f); |
| } |
| System.out.println("Test passed."); |
| } |
| |
| protected void checkFrame(int i, BufferedImage f) { |
| int x = 2 * i + 1; |
| for (int y = 0; y < h; y++) { |
| int argb = f.getRGB(x, y); |
| if (argb != 0xffffffff && !(argb == 0xff0000ff && y == 2 * i)) { |
| throw new RuntimeException("Test failed - bad frame"); |
| } |
| argb = f.getRGB(y, x); |
| if (argb != 0xffffffff && !(argb == 0xffff0000 && y == 2 * i)) { |
| throw new RuntimeException("Test failed - bad frame"); |
| } |
| } |
| } |
| } |