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https://issues.apache.org/jira/browse/PDFBOX-3287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15209326#comment-15209326
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Andreas Lehmkühler edited comment on PDFBOX-3287 at 3/25/16 4:16 PM:
---------------------------------------------------------------------
Here is the code:
{code}
public void saveImagesFromPDFToFiles(PDDocument document, int page, String
destinationFolder) throws IOException {
int counter = 1;
PDResources resources = document.getPage(page).getResources();
Iterable<COSName> xObjectNames = resources.getXObjectNames();
if (null != xObjectNames) {
for (COSName xObjectName : xObjectNames) {
PDXObject object =
resources.getXObject(xObjectName);
if (object instanceof PDImageXObject) {
PDImageXObject image = (PDImageXObject)
object;
String suffix = image.getSuffix();
log.info("Suffix: "+suffix);
if (suffix != null) {
if ("jpx".equals(suffix)) {
suffix = "JPEG2000";
}
boolean writeOK =
ImageIOUtil.writeImage(image.getImage(), suffix,
destinationFolder + "_" + (page + 1) + "_" + counter+".png", 300);
assert (writeOK);
counter++;
}
}
}
}
}
{code}
I am using Windows and Maven with the following pdfbox dependency:
{code}
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox-tools</artifactId>
<version>2.0.0</version>
</dependency>
{code}
Let me know if that helps
was (Author: mongoose54):
Here is the code:
public void saveImagesFromPDFToFiles(PDDocument document, int page, String
destinationFolder) throws IOException {
int counter = 1;
PDResources resources = document.getPage(page).getResources();
Iterable<COSName> xObjectNames = resources.getXObjectNames();
if (null != xObjectNames) {
for (COSName xObjectName : xObjectNames) {
PDXObject object =
resources.getXObject(xObjectName);
if (object instanceof PDImageXObject) {
PDImageXObject image = (PDImageXObject)
object;
String suffix = image.getSuffix();
log.info("Suffix: "+suffix);
if (suffix != null) {
if ("jpx".equals(suffix)) {
suffix = "JPEG2000";
}
boolean writeOK =
ImageIOUtil.writeImage(image.getImage(), suffix,
destinationFolder + "_" + (page + 1) + "_" + counter+".png", 300);
assert (writeOK);
counter++;
}
}
}
}
}
I am using Windows and Maven with the following pdfbox dependency:
<dependency>
<groupId>org.apache.pdfbox</groupId>
<artifactId>pdfbox-tools</artifactId>
<version>2.0.0</version>
</dependency>
Let me know if that helps
> COSStream has been closed and cannot be read. Perhaps its enclosing
> PDDocument has been closed?
> -----------------------------------------------------------------------------------------------
>
> Key: PDFBOX-3287
> URL: https://issues.apache.org/jira/browse/PDFBOX-3287
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.0
> Environment: Windows
> Reporter: Alexandros Karargyris
> Priority: Critical
>
> I am using the example at
> https://github.com/apache/pdfbox/blob/93339a0fb36c2cfd80e4837cc4c4206bf3a3877a/tools/src/test/java/org/apache/pdfbox/tools/imageio/TestImageIOUtils.java#L69
> to extract images from a PDF page and save it to a file. However I am running
> to the following error at this line :
> https://github.com/apache/pdfbox/blob/93339a0fb36c2cfd80e4837cc4c4206bf3a3877a/tools/src/test/java/org/apache/pdfbox/tools/imageio/TestImageIOUtils.java#L77
> ``
> COSStream has been closed and cannot be read. Perhaps its enclosing
> PDDocument has been closed?
> at org.apache.pdfbox.cos.COSStream.checkClosed(COSStream.java:78)
> at org.apache.pdfbox.cos.COSStream.createInputStream(COSStream.java:156)
> at
> org.apache.pdfbox.pdmodel.common.PDStream.createInputStream(PDStream.java:235)
> at
> org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject.<init>(PDImageXObject.java:147)
> at
> org.apache.pdfbox.pdmodel.graphics.PDXObject.createXObject(PDXObject.java:70)
> at
> org.apache.pdfbox.pdmodel.PDResources.getXObject(PDResources.java:385)
> ``
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