On Mon, Aug 1, 2016 at 2:23 PM, John Hewson <j...@jahewson.com> wrote:
> That’s correct. getStringWidth is for use when creating new PDFs only, and we
> don’t
> implement kerning, so the width you get will be “correct” with respect to the
> text
> in the newly created PDF.
So, I guess I don't understand this part.
My impression was that if you wrote something like "/Helvetica 12 Tf
(AVAVAV) Tj" to the PDF document, a reader displaying the document
would use the standard-14 Helvetica font to draw the string "AVAVAV"
to the screen, and because that font implements kerning for those
character combinations, the reader would display the text as more
compressed horizontally than in the absence of kerning.
So my expectation is that if you did the commands above and then drew
a box around it using the horizontal dimension provided by
getStringWidth("AVAVAV"), your box would display as slightly larger
than the visible text width due to the absence of kerning in
calculating the box size based on the text width at the time you wrote
the document, but the presence of kerning in rendering the text in the
reader.
Where am I going wrong there?
Thanks,
Aaron
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