https://bz.apache.org/bugzilla/show_bug.cgi?id=60200

            Bug ID: 60200
           Summary: Unable to create proper png thumbnail of a Slide
                    having tiff images inside
           Product: POI
           Version: 3.15-FINAL
          Hardware: PC
            Status: NEW
          Severity: critical
          Priority: P2
         Component: XSLF
          Assignee: [email protected]
          Reporter: [email protected]

Failed to convert a slide with tiff image to a proper png thumbnail as
drawContent method in DrawPictureShape class uses BitMapImageRenderer which do
not support rendering of tiff file format as per the documentation -
https://poi.apache.org/apidocs/org/apache/poi/sl/draw/BitmapImageRenderer.html 

ImageIO.getImageReaders(iis); call returns null as there is no tiff IMage
reader available. 

is there any recommended 3rd party plugin for rendering tiff images?

Attached is a test pptx file with one slide having a tiff image inside.

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