/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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.
*
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*/
/*
* @test
* @bug 8164931
* @summary Test verifies that if we call ImageWriter.abort() in
* IIOWriteProgressListener.imageStarted() or
* IIOWriteProgressListener.imageProgress() are we
* calling IIOWriteProgressListener.readAborted() for all readers.
* @run main WriteAbortTest
*/
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import javax.imageio.stream.ImageInputStream;
import java.awt.Color;
import java.awt.Graphics2D;
import java.nio.file.Files;
import javax.imageio.ImageWriter;
import javax.imageio.event.IIOWriteProgressListener;
import javax.imageio.stream.ImageOutputStream;
public class WriteAbortTest implements IIOWriteProgressListener {
ImageWriter writer = null;
ImageOutputStream ios = null;
BufferedImage bimg = null;
File file;
boolean startAbort = false;
boolean startAborted = false;
boolean progressAbort = false;
boolean progressAborted = false;
Color srccolor = Color.red;
int width = 100;
int heght = 100;
public WriteAbortTest(String format) throws Exception {
try {
System.out.println("Test for format " + format);
bimg = new BufferedImage(width, heght,
BufferedImage.TYPE_INT_RGB);
Graphics2D g = bimg.createGraphics();
g.setColor(srccolor);
g.fillRect(0, 0, width, heght);
g.dispose();
file = File.createTempFile("src_", "." + format, new File("."));
ImageInputStream ios = ImageIO.createImageOutputStream(file);
ImageWriter writer =
ImageIO.getImageWritersByFormatName(format).next();
writer.setOutput(ios);
writer.addIIOWriteProgressListener(this);
// Abort writing in IIOWriteProgressListener.imageStarted().
startAbort = true;
writer.write(bimg);
startAbort = false;
// Abort writing in IIOWriteProgressListener.imageProgress().
progressAbort = true;
writer.write(bimg);
progressAbort = false;
ios.close();
/*
* All abort requests from imageStarted,imageProgress
* from IIOWriteProgressListener should be reached
* otherwise throw RuntimeException.
*/
if (!(startAborted
&& progressAborted)) {
throw new RuntimeException("All IIOWriteProgressListener abort"
+ " requests are not processed for format "
+ format);
}
} finally {
Files.delete(file.toPath());
}
}
/*
* Abstract methods that we need to implement from
* IIOWriteProgressListener, and relevant for this test case.
*/
@Override
public void imageStarted(ImageWriter source, int imageIndex) {
System.out.println("imageStarted called");
if (startAbort) {
source.abort();
}
}
@Override
public void imageProgress(ImageWriter source, float percentageDone) {
System.out.println("imageProgress called");
if (progressAbort) {
source.abort();
}
}
@Override
public void writeAborted(ImageWriter source) {
System.out.println("writeAborted called");
// Verify IIOWriteProgressListener.imageStarted() abort request.
if (startAbort) {
System.out.println("imageStarted aborted ");
startAborted = true;
}
// Verify IIOWriteProgressListener.imageProgress() abort request.
if (progressAbort) {
System.out.println("imageProgress aborted ");
progressAborted = true;
}
}
public static void main(String args[]) throws Exception {
final String[] formats = {"bmp", "png", "gif", "jpg", "tif"};
for (String format : formats) {
new WriteAbortTest(format);
}
}
/*
* Remaining abstract methods that we need to implement from
* IIOWriteProgressListener, but not relevant for this test case.
*/
@Override
public void imageComplete(ImageWriter source) {
}
@Override
public void thumbnailStarted(ImageWriter source, int imageIndex,
int thumbnailIndex) {
}
@Override
public void thumbnailProgress(ImageWriter source, float percentageDone) {
}
@Override
public void thumbnailComplete(ImageWriter source) {
}
}