I speak only for myself as a project member, but I think it is rather
beyond the scope. It would require a new graphics engine. And there are
so many other things to do where there are issues, e.g. annotations
rendering, OCG / Structure tree merging, JPX decoder, PDF 2.0, signature
code, ..... No user ever requested these advanced features, I know about
them because of the video and because I collect all test files I can get.
Tilman
Am 17.11.2017 um 20:19 schrieb Leon Jackson:
Thanks for the information. Is this advanced rendering functionality
something that is beyond the scope/mission of pdfbox, or is it likely to be
in a future release?
On Fri, Nov 17, 2017 at 11:14 AM, Tilman Hausherr <[email protected]>
wrote:
Am 17.11.2017 um 17:07 schrieb Tilman Hausherr:
Hi,
We can do many of them but not those that are very advanced (some
transparencies, CMYK blending).
See https://www.youtube.com/watch?v=TiqDqd-1pwU why this is so tricky.
Just to clarify, the video isn't by us, but by a company that can do all
these things. But it won't be free.
Tilman
Tilman
Am 17.11.2017 um 15:09 schrieb Leon Jackson:
Hi,
I'm trying to produce PNGs of PDF pages in my application, and a
requirement is that the solution can successfully handle the Ghent
workgroup test PDFs. I'm using PDF Box 2.0.8 and it results are not
looking
good.
I'm using the code below to generate the PNGs
PDDocument pdDocument = PDDocument.load(new
File("Ghent_PDF_Output_Suite_V50/Ghent_PDF-Output-Test-V50_ALL_X4.pdf"));
PDFRenderer renderer = new PDFRenderer(pdDocument);
BufferedImage image = renderer.renderImageWithDPI(0, 300, ImageType.RGB);
if (!ImageIO.write(image, "PNG", new FileOutputStream("temp/test.png")))
{
throw new Exception("Failed to write image '" + image + "'");
}
Does anyone know if it's possible to get PdfBox to handle these PDFs
properly?
Thanks,
Leon
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