From 1ae6235112448547c758dd643a9ddd267a6cd580 Mon Sep 17 00:00:00 2001
From: Maximilian Albert <maximilian.albert@gmail.com>
Date: Thu, 18 Sep 2008 17:42:51 +0000
Subject: More NR ==> Geom conversion (points and some matrices/transforms)

(bzr r6836)
---
 src/selection.cpp | 33 +++++++++++++++++++++++++++++----
 1 file changed, 29 insertions(+), 4 deletions(-)

(limited to 'src/selection.cpp')

diff --git a/src/selection.cpp b/src/selection.cpp
index 9e134ff08..9b9b48485 100644
--- a/src/selection.cpp
+++ b/src/selection.cpp
@@ -393,6 +393,31 @@ boost::optional<NR::Rect> Selection::bounds(SPItem::BBoxType type) const
     return bbox;
 }
 
+// TODO: This should be replaces by a proper 2geom function
+inline Geom::Rect union_bounds_2geom(boost::optional<Geom::Rect> const & a, Geom::Rect const &b) {
+    if (a) {
+        return union_bounds_2geom(*a, b);
+    } else {
+        return b;
+    }
+}
+
+boost::optional<Geom::Rect> Selection::bounds_2geom(SPItem::BBoxType type) const
+{
+    GSList const *items = const_cast<Selection *>(this)->itemList();
+
+    boost::optional<NR::Rect> bbox;
+    for ( GSList const *i = items ; i != NULL ; i = i->next ) {
+        bbox = union_bounds(bbox, sp_item_bbox_desktop(SP_ITEM(i->data), type));
+    }
+    // TODO: eliminate this conversion after the switch to 2geom
+    boost::optional<Geom::Rect> bbox_ret;
+    if (bbox) {
+        bbox_ret = to_2geom(*bbox);
+    }
+    return bbox_ret;
+}
+
 NRRect *Selection::boundsInDocument(NRRect *bbox, SPItem::BBoxType type) const {
     g_return_val_if_fail (bbox != NULL, NULL);
 
@@ -420,9 +445,9 @@ boost::optional<NR::Rect> Selection::boundsInDocument(SPItem::BBoxType type) con
 }
 
 /** Extract the position of the center from the first selected object */
-boost::optional<NR::Point> Selection::center() const {
+boost::optional<Geom::Point> Selection::center() const {
     GSList *items = (GSList *) const_cast<Selection *>(this)->itemList();
-    NR::Point center;
+    Geom::Point center;
     if (items) {
         SPItem *first = reinterpret_cast<SPItem*>(g_slist_last(items)->data); // from the first item in selection
         if (first->isCenterSet()) { // only if set explicitly
@@ -431,9 +456,9 @@ boost::optional<NR::Point> Selection::center() const {
     }
     boost::optional<NR::Rect> bbox = bounds();
     if (bbox) {
-        return bounds()->midpoint();
+        return to_2geom(bounds()->midpoint());
     } else {
-        return boost::optional<NR::Point>();
+        return boost::optional<Geom::Point>();
     }
 }
 
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