Fix compile. Don't #include .cpp files!

(bzr r4157)

4 files changed, 48 insertions, 12 deletions

diff --git a/src/nodepath.cpp b/src/nodepath.cpp
index f48a83b4f..1239f961b 100644
--- a/src/nodepath.cpp
+++ b/src/nodepath.cpp
@@ -49,6 +49,7 @@
 #include <algorithm>
 #include "live_effects/lpeobject.h"
 #include "live_effects/parameter/parameter.h"
+#include "util/mathfns.h"
 
 class NR::Matrix;
 
@@ -4047,15 +4048,6 @@ static void sp_nodepath_subpath_open(Inkscape::NodePath::SubPath *sp,Inkscape::N
 }
 
 /**
- * Returns area in triangle given by points; may be negative.
- */
-inline double
-triangle_area (NR::Point p1, NR::Point p2, NR::Point p3)
-{
-    return (p1[NR::X]*p2[NR::Y] + p1[NR::Y]*p3[NR::X] + p2[NR::X]*p3[NR::Y] - p2[NR::Y]*p3[NR::X] - p1[NR::Y]*p2[NR::X] - p1[NR::X]*p3[NR::Y]);
-}
-
-/**
  * Return new node in subpath with given properties.
  * \param pos Position of node.
  * \param ppos Handle position in previous direction
@@ -4079,7 +4071,7 @@ sp_nodepath_node_new(Inkscape::NodePath::SubPath *sp, Inkscape::NodePath::Node *
         // use the type from sodipodi:nodetypes
         n->type = type;
     } else {
-        if (fabs (triangle_area (*pos, *ppos, *npos)) < 1e-2) {
+        if (fabs (Inkscape::Util::triangle_area (*pos, *ppos, *npos)) < 1e-2) {
             // points are (almost) collinear
             if (NR::L2(*pos - *ppos) < 1e-6 || NR::L2(*pos - *npos) < 1e-6) {
                 // endnode, or a node with a retracted handle
diff --git a/src/sp-shape.cpp b/src/sp-shape.cpp
index 99b4977b9..a0c2249c7 100644
--- a/src/sp-shape.cpp
+++ b/src/sp-shape.cpp
@@ -46,7 +46,7 @@
 #include "bad-uri-exception.h"
 #include "xml/repr.h"
 
-#include "nodepath.cpp" // for triangle_area()
+#include "util/mathfns.h" // for triangle_area()
 
 #define noSHAPE_VERBOSE
 
@@ -1143,7 +1143,7 @@ static void sp_shape_snappoints(SPItem const *item, SnapPointsIter p)
         
             // Determine whether a node is at a smooth part of the path, by 
             // calculating a measure for the collinearity of the handles
-            bool c1 = fabs (triangle_area (pos, ppos, npos)) < 1; // points are (almost) collinear
+            bool c1 = fabs (Inkscape::Util::triangle_area (pos, ppos, npos)) < 1; // points are (almost) collinear
             bool c2 = NR::L2(pos - ppos) < 1e-6 || NR::L2(pos - npos) < 1e-6; // endnode, or a node with a retracted handle
             if (!(c1 & !c2)) {
                 *p = pos; // only return non-smooth nodes ("cusps")
diff --git a/src/util/Makefile_insert b/src/util/Makefile_insert
index 41d3b9fb4..913dda26b 100644
--- a/src/util/Makefile_insert
+++ b/src/util/Makefile_insert
@@ -16,6 +16,7 @@ util_libinkutil_a_SOURCES = \
 	util/list.h \
 	util/list-container.h \
 	util/map-list.h \
+	util/mathfns.h \
 	util/reverse-list.h \
 	util/share.h \
 	util/share.cpp \
diff --git a/src/util/mathfns.h b/src/util/mathfns.h
new file mode 100644
index 000000000..9ebd8bc2f
--- /dev/null
+++ b/src/util/mathfns.h
@@ -0,0 +1,43 @@
+/*
+ * Inkscape::Util::... some mathmatical functions 
+ *
+ * Authors:
+ *   Johan Engelen <goejendaagh@zonnet.nl>
+ *
+ * Copyright (C) 2007 Johan Engelen
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+#ifndef SEEN_INKSCAPE_UTIL_MATHFNS_H
+#define SEEN_INKSCAPE_UTIL_MATHFNS_H
+
+
+namespace Inkscape {
+
+namespace Util {
+
+/**
+ * Returns area in triangle given by points; may be negative.
+ */
+inline double
+triangle_area (NR::Point p1, NR::Point p2, NR::Point p3)
+{
+    return (p1[NR::X]*p2[NR::Y] + p1[NR::Y]*p3[NR::X] + p2[NR::X]*p3[NR::Y] - p2[NR::Y]*p3[NR::X] - p1[NR::Y]*p2[NR::X] - p1[NR::X]*p3[NR::Y]);
+}
+
+}
+
+}
+
+#endif
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :