[Lazarus] fpPDF: set clip rect for text

[Michael Van Canneyt]

On Wed, 13 Apr 2016, Graeme Geldenhuys wrote:

> On 2016-04-12 20:25, Ondrej Pokorny wrote:
>> I need to clip text (e.g. in a table column). Is this already supported?
>
> No, I haven't done any work on using the clipping operators yet. In
> fpReport, text is rather wrapped than clipped.
>
> Contributions in this regard are obviously very welcome. I would imagine
> if the clipping operators are to be implemented, then graphics state
> (save & restore) would probably go hand-in-hand with the clipping too.
>

A small remark:

If the PDF format does not support some form of clipping natively, then it should not go in fpPDF.

But it should instead be implemented in a layer on top of fppdf, such as the planned TPDFCanvas.

Keep your designs orthogonal, please.

Michael.