[reportlab-users] Canvas background

Harry Waye hwaye at microwayes.net
Tue Sep 1 05:51:42 EDT 2009

Thanks for the info. I'll have a look at what trml2pdf is doing with
the background, and see if it supports passing of the include tag.

If I get desperate I'll have a look at pageCatcher, do you have a none
broken link. My brief google search and mailing list links produced
only dead ones. A donations system for pageCatcher (as opposed to
purchase) would be appreciated.

On Tue, 2009-09-01 at 10:13 +0100, Robin Becker wrote:

> Harry Waye wrote:

> > Hello,

> >

> > I'm trying to merge (using pyPdf) a template pdf with a pdf generated

> > from rml with trml2pdf. The rml generated pdf appears to have a white

> > background, thus obscures the template pdf on merging. I would like it

> > to be transparent.

> >


> so far as I know reportlab draws only where it's told to. So I don't think there

> should be any overall page background. If trml2pdf is really tiny rml then it

> may be something that tiny rml does.


> > Is this something that can be specified in rml? Is there any way I can

> > import the template pdf on generation? I noticed there was an include

> > pdf tag in the rml user guide, but I get the feeling that it places the

> > included pdf on top. Is there anything else I can do?

> >


> The include tag is used to include content. Including a background PDF in rml is

> something we do all the time, but we do use pageCatcher in rml2pdf to do that.

> Order of operations is important so backgrounds are included first.


> > Is placing a background colour on the pdf an attempt to stop me doing

> > such things, and to push be to PageCatcher? ;-)

> >

> Not by us at least.

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