Re: GdkPangoRenderer

[Hans Breuer <hans breuer org>]

On 20.11.2004 22:56, Owen Taylor wrote:
> [...]
> The main remaining issue for getting the GTK+ changes into CVS is Win32
> support. Possible steps in that direction:
>
>  - Simply implement drawable.draw_glyphs_transformed by calling
>    drawable.draw_glyphs. That would at least keep what works currently
>    working, but rotated text wouldn't work. Approximate time - 10 minutes.
>
>  - Implement support in PangoWin32Font for loading fonts with transformation
>    matrices and implement pango_win32_render_transformed(). This is
>    sufficient to get rotated text working. Approximate time - 2-3 hours(?)
Although I think your scheduling is overly optimistic I can try to get 
this into cvs today.

>  - Implement a PangoWin32Renderer. Not really needed for GDK, but would
>    clean up duplicated code and provide some new capabilities.
>    Approximate time - 2-3 hours(???)
Not that it is a precondition for me working at this, but it would be
nice to get the capabilities described in
http://bugzilla.gnome.org/show_bug.cgi?id=94791
and
http://bugzilla.gnome.org/show_bug.cgi?id=107668
(bitmap rendering and font outlines) into the pango renderer as well;
and not only for the FT2 case ...

>  - Implement drawable.draw_trapezoids using GDI (and/or GDI+) rather than
>    the fallback code to improve efficiency and get tiles/stipples working.
>    Approximate time - unknown. Note the saturated-add-then-composite
>    semantic of draw_trapezoids, which is needed to prevent seams.
>
> Attached are ChangeLog, header file snippets for new API, and the entire
> patch (compressed). The patch includes docs and testgtk and gtk-demo
> additions.
For me it would be much more convenient to work from cvs. Also a broken
gtk/win32 build shouldn't be a new experience ;-)

	Hans

-------- Hans "at" Breuer "dot" Org -----------
Tell me what you need, and I'll tell you how to
get along without it.                -- Dilbert