optimization: do not notify any listeners if attributes' new value is the same as old

[inkscape.git] / src / sp-tspan.cpp

diff --git a/src/sp-tspan.cpp b/src/sp-tspan.cpp
index 6be42312516e2ec64c5fa4bb696040775091df7b..f07783dbefe7db75ce65c4ac636f4d57d616c39d 100644 (file)
--- a/src/sp-tspan.cpp
+++ b/src/sp-tspan.cpp
@@ -198,13 +198,13 @@ sp_tspan_modified(SPObject *object, unsigned flags)
 
 static void sp_tspan_bbox(SPItem const *item, NRRect *bbox, NR::Matrix const &transform, unsigned const flags)
 {
+    // find out the ancestor text which holds our layout
     SPObject *parent_text = SP_OBJECT(item);
     for (; parent_text != NULL && !SP_IS_TEXT(parent_text); parent_text = SP_OBJECT_PARENT (parent_text));
     if (parent_text == NULL) return;
 
-    Inkscape::Text::Layout layout = SP_TEXT(parent_text)->layout;
-
-    SP_TEXT(parent_text)->layout.getBoundingBox(bbox, transform, sp_text_get_length_upto(parent_text, item) - 1, sp_text_get_length(item));
+    // get the bbox of our portion of the layout
+    SP_TEXT(parent_text)->layout.getBoundingBox(bbox, transform, sp_text_get_length_upto(parent_text, item), sp_text_get_length_upto(item, NULL) - 1);
 
     // Add stroke width
     SPStyle* style=SP_OBJECT_STYLE (item);