On Fri, 26 Dec 2008 23:21:56 +0000
John Delacour <[email protected]> wrote:
> I've written to the author of svg2pdf but while I await an answer
> perhaps someone here has come across the problem:
>
> I have installed the latest version of Cairo etc and svg2pdf on the
> Mac and simple things so far have worked well, but if I transform an
> object giving the centre of rotation -- transform="rotate(a x y)" --
> not only do I not get any rotation at all but I lose other
> properties, such as fill-colour. If I supply only the angle then
> it's all right, except that I don't get what I want.
>
> Printing from FireFox and Safari to vector pdf works fine in this
> respect with the same svg files.
One trick I learned a while back was to separate the positioning in a
group (<g/> tag) around the actual object.
Specify the object in its own little coordinate system and then move
that with the group. For example, if we wanted to place a rectangle
(30x50) at 100, 50 and rotate it by 30 degrees, you could do this:
<g transform="translate(100, 50)">
<rect x="-15" y="-25" width="30" height="50" transform="rotate(30)"/>
</g>
Now the positioning and rotation are completely independent. Notice
that I've selected x and y coordinates that put the center of the
object at 0,0.
HTH,
G. Wade
--
No, no, you're not thinking, you're just being logical.
-- Neils Bohr
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