Hey,
To expand on my question, when 'rendering' slides to a BufferedImage (like
PPTX2PNG) using code akin to:
BufferedImage slideImg = new BufferedImage(renderWidth,
renderHeight, BufferedImage.TYPE_INT_ARGB);
Graphics2D graphics = slideImg.createGraphics();
slide.draw(graphics);
Any instances of XSLFChart are not currently rendered, leaving essentially
blank spaces where you would like to see charts.
A Bugzilla related to this is open here ->
https://bz.apache.org/bugzilla/show_bug.cgi?id=60201
For completeness of slide rendering, this is a topic of interest.
So my question was, is there any code already in POI that 'renders' i.e. draws
to a Graphics instance charts (maybe as part of excel/word 'rendering') that I
can leverage ?
Obviously this needs to be brought into the DrawFactory [getDrawable()] for
SL, etc. but if I can avoid starting from scratch [drawing charts from scratch
that is], then I can get a jump start on implementation.
Thanks
Gareth
On 27/09/2022, 16:53, "PJ Fanning" <[email protected]> wrote:
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Hi Gareth,
You might need to be less vague because it is easy to misinterpret what you
mean by 'rendering', especially since POI is not a GUI. POI is a lib for
parsing, modifying and writing Microsoft format files, including pptx.
Maybe, you need something like
https://github.com/apache/poi/blob/trunk/poi-ooxml/src/main/java/org/apache/poi/xslf/util/PPTX2PNG.java
which generates png images for an input pptx file.
On Tuesday 27 September 2022 at 16:16:36 IST, Floodgate, Gareth
<[email protected]> wrote:
Hello POI Maintainers,
I wanted to take a look at chart rendering in XSLF, but before I do so, I
wanted to see if there has been any work on this already,
either in other formats (DOCX, XSLX, etc.) that I can pull from ? or indeed
recommended libraries to integrate ?
Do you have any pointers or tips that are worth considering ?
Kind Regards
Gareth
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