- 5% speed-up by reserving space in the vector we build for drawing

- Simplify isPrintableNonspace


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@15475 a592a061-630c-0410-9148-cb99ea01b6c8

src/rowpainter.C

@@ -267,6 +267,7 @@ void RowPainter::paintChars(pos_type & vpos, LyXFont font,
 	str += par_.getChar(pos);
 #else
 	std::vector<char_type> str;
+	str.reserve(100);
 	str.push_back(par_.getChar(pos));
 #endif
 	if (arabic) {

src/support/textutils.h

@@ -50,7 +50,7 @@ bool isPrintable(lyx::char_type c)
 inline
 bool isPrintableNonspace(lyx::char_type c)
 {
-	return isPrintable(c) && c != ' ';
+	return (c & 127) > ' ';
 }
 
 /// return true if a unicode char is a digit.