[NTG-pdftex] pdf font inclusion error (with partial patch)

[Taco Hoekwater]

Hi,

I have added the patch below to luatex and a similar one-liner
for my local pdftex because we here ran into a pdf document that
has the following oddness:

5 0 obj
<<
  /F15 <<
    /Type /Font
    /Subtype /TrueType
    /BaseFont /WIDGBH+ArialMT
    /Encoding /WinAnsiEncoding
    /FirstChar 0
    /LastChar 255
    /FontDescriptor 8 0 R
    /Widths 7 0 R
  >>
...
>>
6 0 obj
<<
  /Type /Page
  /Parent 4 0 R
  /MediaBox [ 0 0 595.276 841.89 ]
  /Resources <<
    /Font 5 0 R
    /ProcSet [ /PDF /Text /ImageB /ImageC ]
  >>
  /Contents 13 0 R
>>
endobj


Current pdftoepdf.cc expects to find indirect references inside
object 5, without the patch it generates a fatal error.

The patch itself is only a quick fix that works thanks to my setting
of \pdfinclusioncopyfonts, as I do not know how to fix the 'other'
case, sorry.

Best wishes,
Taco


taco at metatex.org wrote:
> Author: taco
> Date: 2009-11-26 15:14:10 +0100 (Thu, 26 Nov 2009)
> New Revision: 3192
> 
> Modified:
>    trunk/source/texk/web2c/luatexdir/image/pdftoepdf.cc
> Log:
> add a quick and dirty fix for pdfs generated by easyPDF Printer Driver 4.2,
> which uses full font dictionaries inside the Font resources instead of 
> indirect references.
> 
> 
> Modified: trunk/source/texk/web2c/luatexdir/image/pdftoepdf.cc
> ===================================================================
> --- trunk/source/texk/web2c/luatexdir/image/pdftoepdf.cc	2009-11-23 21:04:08 UTC (rev 3191)
> +++ trunk/source/texk/web2c/luatexdir/image/pdftoepdf.cc	2009-11-26 14:14:10 UTC (rev 3192)
> @@ -459,7 +459,8 @@
>      pdf_puts(pdf, "/Font << ");
>      for (i = 0, l = obj->dictGetLength(); i < l; ++i) {
>          obj->dictGetValNF(i, &fontRef);
> -        if (fontRef->isRef())
> +        if (fontRef->isRef() ||
> +            (fontRef->isDict() && (pdf->inclusion_copy_font == 0)))
>              copyFont(pdf, obj->dictGetKey(i), &fontRef);
>          else
>              pdftex_fail("PDF inclusion: invalid font in reference type <%s>",
> 
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