Re: [Chicken-users] how to create a cairo_matrix_t (defined by define-foreign-type) ?

[Markus Klotzbuecher]

Hi Christian,

On Mon, Jan 30, 2012 at 11:36:36AM +0100, Christian Kellermann wrote:
> * Markus Klotzbuecher <m...@marumbi.de> [120130 11:29]:
> > > Markus did you have a chance to have a look at the code? I would
> > > love to release a new cairo version. If there are any missing
> > > features on your wishlist, please let me know!
> > 
> > I unfortuately did not have any time to look into this so far. I hope
> > to give it a try towards the end of the week. One (low priority) thing
> > on my wishlist would be support for writing to svg files. I suppose
> > the latter would be largely a duplication of the png code, but I have
> > not looked into it yet.
> 
> I *think* it is just a matter of providing the wrapper...

Indeed, trivial patch below...

Best regards
Markus



>From bd772574ee2ed9a898b50d79b3d31e069dffee42 Mon Sep 17 00:00:00 2001
From: Markus Klotzbuecher <markus.klotzbuec...@mech.kuleuven.be>
Date: Mon, 6 Feb 2012 21:24:24 +0100
Subject: [PATCH] add support for svg, pdf and ps surfaces

---
 release/4/cairo/trunk/cairo.scm |   19 ++++++++++++++++++-
 1 files changed, 18 insertions(+), 1 deletions(-)

diff --git a/release/4/cairo/trunk/cairo.scm b/release/4/cairo/trunk/cairo.scm
index f86bcd5..22a60aa 100644
--- a/release/4/cairo/trunk/cairo.scm
+++ b/release/4/cairo/trunk/cairo.scm
@@ -35,7 +35,9 @@
  (foreign-declare #<<EOF
 
 #include "cairo.h"
-
+#include "cairo-svg.h"
+#include "cairo-pdf.h"
+#include "cairo-ps.h"
 EOF
 )
 
@@ -109,6 +111,21 @@ EOF
                                                             int
                                                             int))
 
+(define cairo-svg-surface-create (foreign-lambda cairo_surface_t 
"cairo_svg_surface_create"
+                                                c-string
+                                                double
+                                                double))
+
+(define cairo-pdf-surface-create (foreign-lambda cairo_surface_t 
"cairo_pdf_surface_create"
+                                                c-string
+                                                double
+                                                double))
+
+(define cairo-ps-surface-create (foreign-lambda cairo_surface_t 
"cairo_ps_surface_create"
+                                               c-string
+                                               double
+                                               double))
+
 ; cairo-create-image deprecated
 
 ; cairo-set-target-image deprecated
-- 
1.7.7.3


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