Peter van der Velde created XGC-101:
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Summary: When using #page= indicator on multipage tiff image only
first page is displayed
Key: XGC-101
URL: https://issues.apache.org/jira/browse/XGC-101
Project: XMLGraphicsCommons
Issue Type: Bug
Components: image codecs
Affects Versions: 2.0.1
Reporter: Peter van der Velde
Priority: Minor
In the org.apache.xmlgraphics.image.loader.impl.PreloaderTIFF class
createImageInfo function the '#page=' construction is handled correctly:
{code}
int pageIndex = ImageUtil.needPageIndexFromURI(uri);
SeekableStream seekable = new SeekableStreamAdapter(in);
TIFFDirectory dir;
try {
dir = new TIFFDirectory(seekable, pageIndex);
} catch (IllegalArgumentException iae) {
String errorMessage = MessageFormat.format(
"Subimage {0} does not exist.", new Object[]
{pageIndex});
throw new SubImageNotFoundException(errorMessage);
}
{code}
In the org.apache.xmlgraphics.image.loader.impl.ImageLoaderRawCCITTFax class
loadImage function the first page is always loaded:
{code}
SeekableStream seekable = new SeekableStreamAdapter(in);
dir = new TIFFDirectory(seekable, 0);
TIFFField fld;
{code}
if the lines above are changed into:
{code}
SeekableStream seekable = new SeekableStreamAdapter(in);
int pageIndex =
ImageUtil.needPageIndexFromURI(info.getOriginalURI());
try {
dir = new TIFFDirectory(seekable, pageIndex);
} catch (IllegalArgumentException iae) {
String errorMessage = MessageFormat.format(
"Subimage {0} does not exist.", new Object[]
{pageIndex});
throw new SubImageNotFoundException(errorMessage);
}
TIFFField fld;
{code}
it works as expected.
ImageLoaderInternalTIFF needs a similar fix...
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