X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLength.cpp;h=90da83a74ca7080a9fbc2b75762ce761f13501f0;hb=d145c2dc9f27666ca0ed9f8589f99f502d7b2a4d;hp=4627f8bf47104e3101df88970131353d9411b922;hpb=e7aa8ce683718fc217ceffca647a94e202fc7e91;p=lyx.git

diff --git a/src/Length.cpp b/src/Length.cpp
index 4627f8bf47..90da83a74c 100644
--- a/src/Length.cpp
+++ b/src/Length.cpp
@@ -23,12 +23,10 @@
 #include <sstream>
 #include <iomanip>
 
+using namespace std;
 
 namespace lyx {
 
-using std::ostringstream;
-using std::string;
-
 
 /////////////////////////////////////////////////////////////////////
 //
@@ -59,6 +57,13 @@ Length::Length(string const & data)
 }
 
 
+void Length::swap(Length & rhs)
+{
+	std::swap(val_, rhs.val_);
+	std::swap(unit_, rhs.unit_);
+}
+
+
 string const Length::asString() const
 {
 	ostringstream os;
@@ -153,7 +158,7 @@ int Length::inPixels(int text_width, int em_width_base) const
 		? em_width_base
 		: 10*(dpi/72.27)*zoom;
 	// A different estimate for em_width is
-	// theFontMetrics(Font(Font::ALL_SANE)).width('M')
+	// theFontMetrics(FontInfo(sane_font)).width('M')
 	// but this estimate might not be more accurate as the screen font
 	// is different then the latex font.