[PATCH 1 of 3] get rid of code duplication between overloaded versions of isRTLBoundary

[Dov Feldstern]

This is in preparation of some changes to be made in this function, now the 
change will only have to be done once...



# HG changeset patch
# User Dov Feldstern <[EMAIL PROTECTED]>
# Date 1226857640 -7200
# Node ID 8b73bd1b76ee5a0bd85b66dfcd4dbd3862cf7361
# Parent  1791e3372c7978e2bffb6fb59d4f6105f71bf7bc
get rid of code duplication between overloaded versions of isRTLBoundary

This is in preparation of some changes to be made in this function, now the change will only have to be done once...

diff -r 1791e3372c79 -r 8b73bd1b76ee src/TextMetrics.cpp
--- a/src/TextMetrics.cpp	Fri Nov 14 10:05:07 2008 +0000
+++ b/src/TextMetrics.cpp	Sun Nov 16 19:47:20 2008 +0200
@@ -321,15 +321,9 @@
 	if (pos == 0)
 		return false;
 
-	Paragraph const & par = text_->getPar(pit);
+	Font const & left_font = displayFont(pit, pos - 1);
 
-	bool left = displayFont(pit, pos - 1).isVisibleRightToLeft();
-	bool right;
-	if (pos == par.size())
-		right = par.isRTL(bv_->buffer().params());
-	else
-		right = displayFont(pit, pos).isVisibleRightToLeft();
-	return left != right;
+	return isRTLBoundary(pit, pos, left_font);
 }