From: Thomas Geymayer <tomgey@gmail.com>
Date: Tue, 10 Jun 2014 16:42:12 +0000 (+0200)
Subject: cppbind: expose SGRect as [x, y, w, h]
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=c716cfbb07b6b5a0a85893961795f3c4c9bd9a22;p=simgear.git

cppbind: expose SGRect as [x, y, w, h]
---

diff --git a/simgear/nasal/cppbind/detail/from_nasal_helper.hxx b/simgear/nasal/cppbind/detail/from_nasal_helper.hxx
index 0769fc64..6d84bf83 100644
--- a/simgear/nasal/cppbind/detail/from_nasal_helper.hxx
+++ b/simgear/nasal/cppbind/detail/from_nasal_helper.hxx
@@ -22,6 +22,8 @@
 
 #include "nasal_traits.hxx"
 
+#include <simgear/math/SGMath.hxx>
+#include <simgear/math/SGRect.hxx>
 #include <simgear/nasal/nasal.h>
 #include <simgear/nasal/cppbind/NasalObjectHolder.hxx>
 #include <simgear/nasal/cppbind/to_nasal.hxx>
@@ -208,6 +210,20 @@ namespace nasal
     return Vec2(vec[0], vec[1]);
   }
 
+  /**
+   * Convert a Nasal vector with 4 elements ([x, y, w, h]) to an SGRect
+   */
+  template<class T>
+  SGRect<T> from_nasal_helper(naContext c, naRef ref, const SGRect<T>*)
+  {
+    std::vector<double> vec =
+      from_nasal_helper(c, ref, static_cast<std::vector<double>*>(0));
+    if( vec.size() != 4 )
+      throw bad_nasal_cast("Expected vector with four elements");
+
+    return SGRect<T>(vec[0], vec[1], vec[2], vec[3]);
+  }
+
   // Helpers for wrapping calls to Nasal functions into boost::function
   namespace detail
   {
diff --git a/simgear/nasal/cppbind/detail/to_nasal_helper.hxx b/simgear/nasal/cppbind/detail/to_nasal_helper.hxx
index 55933017..f34d9fb6 100644
--- a/simgear/nasal/cppbind/detail/to_nasal_helper.hxx
+++ b/simgear/nasal/cppbind/detail/to_nasal_helper.hxx
@@ -155,11 +155,11 @@ namespace nasal
   template<class T>
   naRef to_nasal_helper(naContext c, const SGRect<T>& rect)
   {
-    std::vector<float> vec(4);
-    vec[0] = rect.l();
-    vec[1] = rect.t();
-    vec[2] = rect.r();
-    vec[3] = rect.b();
+    std::vector<double> vec(4);
+    vec[0] = rect.x();
+    vec[1] = rect.y();
+    vec[2] = rect.width();
+    vec[3] = rect.height();
 
     return to_nasal_helper(c, vec);
   }