Re: gnomecanvas rotate text and print?

["David L" <idht4n hotmail com>]

> From: "Michael Sterrett -Mr. Bones.-" <msterret coat com>
> To: David L <idht4n hotmail com>
> Subject: Re: gnomecanvas rotate text and print?
> Date: Sun, 27 Aug 2006 18:03:24 -0400 (EDT)
>
> Isn't that what pango's for?

Could be... there's a nice example of using Pango with Cairo
that shows text at arbitrary angles at:
http://developer.gnome.org/doc/API/2.0/pango/pango-Cairo-Rendering.html

But I don't really see how it relates to gnomecanvas text items.
Half a day of google and gnome documentation searches hasn't
really been too fruitful.  I found basically the same question that
I'm asking from 4 years ago, but there was only one answer saying
something about GnomeCanvasHacktext, but I don't find any
documentation on that.

Basically, I'm looking for the line or lines of code that will follow this
command to rotate the canvas text:

textp = 
gnome_canvas_item_new(gnome_canvas_root(GNOME_CANVAS(parent->gc.gobj())),
                                 gnome_canvas_text_get_type(),
                                  "fill_color", "black",
                                 "x", txtx,
                                 "y", txty,
                                 "text", length,
                                 "anchor",GTK_ANCHOR_W,
                                 "font", 
"-*-verdana-medium-r-*-*-10-*-*-*-*-*-iso8859-1",
                                 NULL);
// how do I write a function that will rotate textp?

Or do I need to add text that I want at an arbitrary angle using a
different mechanism? (eg pango_add_rotated_text_to_gnomecanvas("foo", 30.0))
If so, can somebody point me to a simple example that uses pango or whatever
to add rotatable text to a gnomecanvas??

Thanks!

                         David



> Michael Sterrett
>   -Mr. Bones.-
> michael sterrett coat com
>
>
> On Sun, 27 Aug 2006, David L wrote:
>
> > > Hi David,
> > >
> > > Maybe you should use the gd library or imagemagick. As I remember, both
> > > have antialiasing functions.
> >
> > gnomecanvas has anti-aliasing... I just can't figure out how to
> > print or rotate text.  I know apps like gnumeric use gnomecanvas
> > and seem to print nice anti-aliased looking plots,
> > so I assume there's a way to print the canvas... am I wrong?
> >
> > I'm a little concerned about text rotation... I've done google searches
> > that seem to imply that gnomecanvas can't rotate text, but that seems
> > odd.  I've found some documentation on affine transformations, but
> > when I try to rotate text with it, it seems to just translate it.
> >
> > Thanks!
> >
> >               David
> >
> > > > I've started a simple little gtk / gnomecanvas floor plan
> > > > drawing application.  I need to figure out how to
> > > > rotate gnome canvas text at an arbitrary angle (to put
> > > > dimensions on the floor plan).  Also, I want to be able
> > > > to print an anti-aliased gnomecanvas with high
> > > > resolution to give to an architect.  (I've been just taking
> > > > screenshots of the canvas which is cumbersome and
> > > > doesn't look very good).  How can I do these things?
> > > >
> > > > Thanks!
> > > >
> > > >                  David
> > > >
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