Jimmy Merrild Krag created IMAGING-231:
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Summary: Reading tiff with LZW compression results in mangled image
Key: IMAGING-231
URL: https://issues.apache.org/jira/browse/IMAGING-231
Project: Commons Imaging
Issue Type: Bug
Components: Format: TIFF
Affects Versions: 1.0-alpha1
Reporter: Jimmy Merrild Krag
Attachments: image_pages.zip, result.pdf
I am trying to create a PDF using PDFbox with Commons Imaging for loading
images. Commons imaging fixes most of the issues I have with the alternatives,
but still cannot load my tiff files correctly.
I have attached a resulting PDF as {{result.pdf}}.
The files I use for testing, are attached in {{image_pages.zip}}. The
tiff-files, which are not loaded correctly, are LZW-compressed, and that is the
only difference I can find in the format.
All images look the same if I save them to separate image files in another
format, as they do in the PDF, so PDFbox does not seem to be the one to blame.
My code for reading the files is pretty straightforward:
{code:java}
ImageInfo imageInfo = Imaging.getImageInfo(imageBytes);
if (imageInfo.getNumberOfImages() > 1) {
List<BufferedImage> allBufferedImages =
Imaging.getAllBufferedImages(imageBytes);
for (BufferedImage bufferedImage : allBufferedImages) {
appendImagePage(bufferedImage);
}
} else {
appendImagePage(Imaging.getBufferedImage(imageBytes));
}
{code}
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