https://bz.apache.org/bugzilla/show_bug.cgi?id=65523
Bug ID: 65523
Summary: XSLFSheet.importBlip throws ClassCastException when
importing a slide
Product: POI
Version: 5.0.0-FINAL
Hardware: PC
OS: All
Status: NEW
Severity: major
Priority: P2
Component: XSLF
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 37995
--> https://bz.apache.org/bugzilla/attachment.cgi?id=37995&action=edit
PowerPoint with slide, which has a uncopiable picture
Any slide import for pictures fails, if the user edited the picture color using
Powerpoint.
In our case the slide contained a colored picture, which was edited to show as
grey (Picture Color -> Color Saturation -> 0%)
An sample presentation and code will be uploaded with this ticket.
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Test code:
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import org.springframework.core.io.ClassPathResource;
import java.io.ByteArrayOutputStream;
class Scratch {
public static void main(String[] args) throws Exception {
XMLSlideShow targetPresentation = new XMLSlideShow();
XSLFSlide targetPresentationSlide = targetPresentation.createSlide();
XMLSlideShow sourcePresentation = new XMLSlideShow(new
ClassPathResource("POI_Blip_bug.pptx").getInputStream());
XSLFSlide sourceSlide = sourcePresentation.getSlides().get(0);
targetPresentationSlide.getSlideMaster().importContent(sourceSlide.getSlideMaster());
targetPresentationSlide.getSlideLayout().importContent(sourceSlide.getSlideLayout());
targetPresentationSlide.importContent(sourceSlide);
targetPresentation.write(new ByteArrayOutputStream());
}
}
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Exception in thread "main" java.lang.ClassCastException: class
org.apache.poi.ooxml.POIXMLDocumentPart cannot be cast to class
org.apache.poi.xslf.usermodel.XSLFPictureData
(org.apache.poi.ooxml.POIXMLDocumentPart and
org.apache.poi.xslf.usermodel.XSLFPictureData are in unnamed module of loader
'app')
at
org.apache.poi.xslf.usermodel.XSLFSheet.importBlip(XSLFSheet.java:651)
at
org.apache.poi.xslf.usermodel.XSLFPictureShape.copy(XSLFPictureShape.java:385)
at
org.apache.poi.xslf.usermodel.XSLFSheet.wipeAndReinitialize(XSLFSheet.java:455)
at
org.apache.poi.xslf.usermodel.XSLFSheet.importContent(XSLFSheet.java:434)
at
org.apache.poi.xslf.usermodel.XSLFSlide.importContent(XSLFSlide.java:293)
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