On 13.07.09 Anthony DeRobertis (anthony@derobert.net) wrote:
Hi Anthony,
Long response time, I know.
> Package: texlive-base-bin
> Version: 2007.dfsg.2-6
> Severity: normal
> File: /usr/bin/ebb
>
> When you run ebb, it always assumes 100ppi in computing the bouding box.
> This is a compile-time setting, the PIX2PT macro in the source:
>
> #define PIX2PT (72.0/100.0)
> void do_jpeg (FILE *file, char *filename)
> {
> ...
>
> It'd be nice if it (a) took a command line argument to specify the ppi
> and (b) used the ppi information in the bitmap image file, if present
> (e.g., PNG can)
>
The current manual page reads:
OUTPUT FORMATS
Here are more details about the bb and xbb formats:
The original ebb (from dvipdfm) ignored density information in bitmap
images, and generated bounding boxes with 100px = 72bp = 1in. Unfortu‐
nately, screenshots (especially) tend to look bad with this approach.
So, extractbb (from dvipdfmx) uses density information if present.
Otherwise, it generates bounding box with 100px = 100bp. This is what
pdfTeX does.
Is this OK or you? Can we close the issue?
Hilmar
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