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/*
* 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 6283089
* @summary Test verifies that abort flag is cleared by the next write() call
*/
import java.awt.Color;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.event.IIOWriteProgressListener;
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.stream.ImageOutputStream;
public class WriterReuseTest implements IIOWriteProgressListener {
boolean isFirst = true;
boolean isWritingCompleted = false;
boolean isWritingAborted = false;
public static void main(String[] args) throws IOException {
doTest(false);
doTest(true);
}
public static void doTest(boolean writeSequence) throws IOException {
String format = "GIF";
ImageWriter writer =
ImageIO.getImageWritersByFormatName(format).next();
if (writer == null) {
throw new RuntimeException("No writer available for " + format);
}
BufferedImage img = createTestImage();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageOutputStream ios = ImageIO.createImageOutputStream(baos);
writer.setOutput(ios);
WriterReuseTest t = new WriterReuseTest();
writer.addIIOWriteProgressListener(t);
ImageWriteParam param = writer.getDefaultWriteParam();
IIOMetadata streamMetadata = writer.getDefaultStreamMetadata(param);
IIOImage iioImg = new IIOImage(img, null, null);
if (writeSequence) {
writer.prepareWriteSequence(streamMetadata);
writer.writeToSequence(iioImg, param);
} else {
writer.write(img);
}
if (!t.isWritingAborted || t.isWritingCompleted) {
throw new RuntimeException("Test failed.");
}
t.reset();
// next attempt after abort
ImageOutputStream ios2 =
ImageIO.createImageOutputStream(new ByteArrayOutputStream());
writer.setOutput(ios2);
if (writeSequence) {
writer.writeToSequence(iioImg, param);
} else {
writer.write(img);
}
if (t.isWritingAborted || !t.isWritingCompleted) {
throw new RuntimeException("Test failed.");
}
System.out.println("Test passed.");
}
public static BufferedImage createTestImage() {
BufferedImage img = new BufferedImage(100, 100, BufferedImage.TYPE_BYTE_INDEXED);
Graphics g = img.createGraphics();
g.setColor(Color.black);
g.fillRect(0, 0, 100, 100);
g.setColor(Color.white);
g.fillRect(10, 10, 80, 80);
return img;
}
public WriterReuseTest() {
isFirst = true;
reset();
}
public void reset() {
isWritingAborted = false;
isWritingCompleted = false;
}
public void imageComplete(ImageWriter source) {
System.out.println("Image Completed");
this.isWritingCompleted = true;
}
public void imageProgress(ImageWriter source, float percentageDone) {
System.out.println("Image Progress "+percentageDone);
if (percentageDone > 50 && isFirst) {
isFirst = false;
source.abort();
}
}
public void imageStarted(ImageWriter source, int imageIndex) {
System.out.println("Image Started "+imageIndex);
}
public void thumbnailComplete(ImageWriter source) {
System.out.println("Thubnail completed");
}
public void thumbnailProgress(ImageWriter source, float percentageDone) {
System.out.println("Thubnail Progress " + percentageDone);
}
public void thumbnailStarted(ImageWriter source, int imageIndex, int thumbnailIndex) {
System.out.println("Thubnail started " + imageIndex);
}
public void writeAborted(ImageWriter source) {
System.out.println("Writing Aborted");
this.isWritingAborted = true;
}
}
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