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https://issues.apache.org/jira/browse/IMAGING-113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13801830#comment-13801830
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Adrian Costil commented on IMAGING-113:
---------------------------------------
the patch seems to work.
I was facing another issue with my test tiff image which has 14 images, each
3386 x 4397. The library uses a lot of memory for
Imaging.getAllBufferedImages(new File(imageLocation));
so I had to start the JVM with a lot of memory to process a single image file.
-Xms512m
-Xmx1024m
Is there a way to improve the memory usage ?
Also I was trying to write to a different file and it seems that it will write
only the last image. Is there a way to append the images to a tiff file ?
this is a sample code:
final List<BufferedImage> images = Imaging.getAllBufferedImages(new
File(imageLocation));
final ImageFormat format =
ImageFormat.IMAGE_FORMAT_TIFF;
final Map<String,Object> params = new HashMap<String,Object>();
// set optional parameters if you like
params.put(ImagingConstants.PARAM_KEY_COMPRESSION, new Integer(
TiffConstants.TIFF_COMPRESSION_LZW));
int i= 0;
File outFile = new File(outLocation);
for (Iterator<BufferedImage> iterator = images.iterator();
iterator.hasNext(); i++) {
BufferedImage bufferedImage = iterator.next();
System.out.println("write image " + i);
Imaging.writeImage(bufferedImage, outFile, format,
params);
}
> Cannot read multipage tiff
> --------------------------
>
> Key: IMAGING-113
> URL: https://issues.apache.org/jira/browse/IMAGING-113
> Project: Commons Imaging
> Issue Type: Bug
> Affects Versions: 1.0
> Reporter: Adrian Costil
> Labels: multipage, tiff
> Fix For: 1.0
>
>
> I get the error below when I'm trying to read a multipage tiff file as a list
> of images
> final List<BufferedImage> images =
> Imaging.getAllBufferedImages(new File(imageLocation));
> line 589 of TiffImageParser
> Rectangle subImage = checkForSubImage(params); //if the params is
> null it will crash
> java.lang.NullPointerException
> at
> org.apache.commons.imaging.formats.tiff.TiffImageParser.getIntegerParameter(TiffImageParser.java:513)
> at
> org.apache.commons.imaging.formats.tiff.TiffImageParser.checkForSubImage(TiffImageParser.java:531)
> at
> org.apache.commons.imaging.formats.tiff.TiffImageParser.getBufferedImage(TiffImageParser.java:589)
> at
> org.apache.commons.imaging.formats.tiff.TiffDirectory.getTiffImage(TiffDirectory.java:163)
> at
> org.apache.commons.imaging.formats.tiff.TiffImageParser.getAllBufferedImages(TiffImageParser.java:499)
> at
> org.apache.commons.imaging.Imaging.getAllBufferedImages(Imaging.java:1210)
> at
> org.apache.commons.imaging.Imaging.getAllBufferedImages(Imaging.java:1202)
> at TestWriteTiffImages.main(TestWriteTiffImages.java:30)
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