[DVIPDFMx] BUG: wrong box by pdf:annot, patch provided

[Jin-Hwan Cho]

On Jun 13, 2008, at 5:46 PM, Alexander Grahn wrote:

> Hi,
>
> if a nonzero depth is given as an option to the pdf:annot special, a
> wrong box will be computed.
>
> Consider the following example:
>
> %%%%%%%%%%
> x\special{pdf:annot width 20pt depth 50pt height 30pt <</Subtype/ 
> Link>>}
> \bye
> %%%%%%%%%%
>
> dvipdfmx produces a mouse sensitive area that extends from 50pt upto  
> 20pt
> below the baseline of the leading `x'. It should however extend upto
> 30pt above the baseline. The reason is that in the current  
> spc_pdfm.c the
> ury coordinate is computed by adding the height to the lly coordinate
> instead off adding it to the y_user coordinate.
>
> Regards,
> Alexander
>
> The following patch fixes the problem:
>
> --- src/spc_pdfm.c	2008-06-07 11:54:38.000000000 +0200
> +++ src/spc_pdfm.c.new	2008-06-13 09:57:33.000000000 +0200
> @@ -577,7 +577,7 @@
>     rect.llx = cp.x;
>     rect.lly = cp.y - spe->mag * ti.depth;
>     rect.urx = rect.llx + spe->mag * ti.width;
> -    rect.ury = rect.lly + spe->mag * ti.height;
> +    rect.ury = cp.y + spe->mag * ti.height;
>   }

Thank you very much for the bug report.

I updated the CVS version of DVIPDFMx. I hope the upcoming TeXLive 2008
contains this bug patch.

Best regards, ChoF.