Re: Paint.Matrix

[Benoît Minisini <benoit.minisini@xxxxxxxxxxxxxxxx>]

Le 12/09/2024 à 21:25, Fabien Bodard a écrit :
> Hi,formations li
>
> I'm currently writing a svg reader/render for my own use (In the more 
> simplest way I can)
>
> In a svg file you can have cumulative transformations like :
>
> <g
>          
>   transform="matrix(0.1672889,-0.8480899,0.8480899,0.1672889,-242.96302,703.59876)"
>           id="g4504">
>          <g
>             id="g4506"
>             transform="matrix(1.0150594,0,0,1,129.84546,112.36284)">
>            <path
>               sodipodi:nodetypes="csssssccc"
>
> Here you can see two group <G that apply two cumulative transformation 
> (I have tested by commented each one)
>
> By Now I have a problem to traduce that in the paint class..
>
> I'm not understanding how to cumulate matrix :/...
>
> Pleaaase help :-)
>
> --
> Fabien Bodard

You must multiply the cumulative matrices, by using the PaintMatrix 
returned by Paint.Matrix.

Do you know matrix calculation?

Regards,

--
Benoît Minisini.