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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
* 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) {
}
}
Messung V0.5 in Prozent C=88 H=94 G=90
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