From 9932d3f124c047d557a978fb6b035214a09c086a Mon Sep 17 00:00:00 2001
From: johanengelen <johanengelen@users.sourceforge.net>
Date: Thu, 12 Jun 2008 20:38:23 +0000
Subject: [PATCH] add svg_write and read methods for Geom::Matrix

---
 src/svg/svg-affine.cpp | 28 ++++++++++++++++++++++++++++
 src/svg/svg.h          |  3 +++
 2 files changed, 31 insertions(+)

diff --git a/src/svg/svg-affine.cpp b/src/svg/svg-affine.cpp
index d33947447..0ad54accd 100644
--- a/src/svg/svg-affine.cpp
+++ b/src/svg/svg-affine.cpp
@@ -30,6 +30,7 @@
 #include <libnr/nr-scale-matrix-ops.h>
 #include <libnr/nr-translate-matrix-ops.h>
 #include <libnr/nr-translate-rotate-ops.h>
+#include <libnr/nr-convert2geom.h>
 #include "svg.h"
 #include "prefs-utils.h"
 
@@ -37,6 +38,18 @@
 # define M_PI 3.14159265358979323846
 #endif
 
+bool
+sp_svg_transform_read(gchar const *str, Geom::Matrix *transform)
+{
+    NR::Matrix mat;
+    if (sp_svg_transform_read(str, &mat)) {
+        *transform = to_2geom(mat);
+        return true;
+    } else {
+        return false;
+    }
+}
+
 bool
 sp_svg_transform_read(gchar const *str, NR::Matrix *transform)
 {
@@ -161,6 +174,21 @@ sp_svg_transform_read(gchar const *str, NR::Matrix *transform)
 
 #define EQ(a,b) (fabs ((a) - (b)) < 1e-9)
 
+gchar *
+sp_svg_transform_write(Geom::Matrix const &transform)
+{
+    Geom::Matrix const t(transform);
+    return sp_svg_transform_write(&t);
+}
+
+
+gchar *
+sp_svg_transform_write(Geom::Matrix const *transform)
+{
+    NR::Matrix const t(from_2geom(*transform));
+    return sp_svg_transform_write(&t);
+}
+
 gchar *
 sp_svg_transform_write(NR::Matrix const &transform)
 {
diff --git a/src/svg/svg.h b/src/svg/svg.h
index 0e5b4d5d5..a273ceddc 100644
--- a/src/svg/svg.h
+++ b/src/svg/svg.h
@@ -54,8 +54,11 @@ unsigned int sp_svg_length_read_ldd (const gchar *str, SVGLength::Unit *unit, do
 
 std::string sp_svg_length_write_with_units(SVGLength const &length);
 
+bool sp_svg_transform_read(gchar const *str, Geom::Matrix *transform);
 bool sp_svg_transform_read(gchar const *str, NR::Matrix *transform);
 
+gchar *sp_svg_transform_write(Geom::Matrix const &transform);
+gchar *sp_svg_transform_write(Geom::Matrix const *transform);
 gchar *sp_svg_transform_write(NR::Matrix const &transform);
 gchar *sp_svg_transform_write(NR::Matrix const *transform);
 
-- 
2.30.2