Re: Rotating a Gdk::Pixbuf by degree
- From: "Paul Davis" <pjdavis engineering uiowa edu>
- To: "Armin Burgmeier" <armin arbur net>
- Cc: gtkmm-list gnome org
- Subject: Re: Rotating a Gdk::Pixbuf by degree
- Date: Fri, 3 Nov 2006 19:07:34 -0600
Or you could look at using cairomm which appears to have rotation functions.
http://cairographics.org/documentation/cairomm/reference/classCairo_1_1Context.html#4bb8920924faa97b54481c289e5f5c8c
Paul
On 11/3/06, Armin Burgmeier <armin arbur net> wrote:
> Hi,
>
> the gdkmm reference documentation only speaks of a rotate_simple
> function of Gdk::Pixbuf, which rotates a Pixbuf by a multiple of 90
> degress. How can I rotate a pixbuf by let´s say 30 degree then?
I once wrote such code that rotates a pixbuf by a variable amount of
degrees. However, I cannot find it anymore. What I have done is mostly
just porting the relevant SDL_rotozoom [1] functions to work on
GdkPixbufs instead of SDL surfaces. Perhaps you could also have a look
at how e.g. gimp rotates images.
Greetings,
Armin
[1] http://www.ferzkopp.net/joomla/content/view/19/14/
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