X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FLength.cpp;h=bc8fb7ea550b0453d630cdafa26361ebfc5ccd73;hb=c1ee1bc0baf00a64734ec5eb345884c057e4d9c1;hp=d862f40213d3a4bdea1e834bc0f3cf586d1b1616;hpb=c0ce79452f0d286255bcbdf04b8d601a9a734e8d;p=lyx.git

diff --git a/src/Length.cpp b/src/Length.cpp
index d862f40213..bc8fb7ea55 100644
--- a/src/Length.cpp
+++ b/src/Length.cpp
@@ -21,6 +21,7 @@
 
 #include "frontends/FontMetrics.h"
 
+#include "support/debug.h"
 #include "support/docstream.h"
 #include "support/lstrings.h"
 #include "support/lyxlib.h"
@@ -51,7 +52,7 @@ Length::Length(double v, Length::UNIT u)
 
 
 Length::Length(string const & data)
-	: val_(0), unit_(Length::PT)
+	: val_(0), unit_(Length::UNIT_NONE)
 {
 	Length tmp;
 
@@ -106,6 +107,9 @@ string const Length::asLatexString() const
 	case PPH:
 		os << formatFPNumber(val_ / 100.0) << "\\paperheight";
 		break;
+	case BLS:
+		os << formatFPNumber(val_ / 100.0) << "\\baselineskip";
+		break;
 	case UNIT_NONE:
 		break;
 	default:
@@ -146,6 +150,7 @@ string const Length::asHTMLString() const
 	case PCW:
 	case PTH:
 	case PPH:
+	case BLS:
 		// what it's a percentage of probably won't make sense for HTML,
 		// so we'll assume people have chosen these appropriately
 		os << formatFPNumber(val_) << '%';
@@ -290,6 +295,12 @@ double Length::inInch(double text_width, double em_width) const
 	case Length::PPH:
 		result = val_ * text_width * 2.2 / 100;
 		break;
+	case Length::BLS:
+		// baselineskip is approximately 1.2 times the font size for the cmr fonts
+		// The value actually depends on the current paragraph (see TextMetrics::setRowHeight),
+		// but we do not have this information here.
+		result = val_ * em_width * 1.2 / 100;
+		break;
 	case Length::UNIT_NONE:
 		result = 0;  // this cannot happen
 		break;
@@ -300,7 +311,14 @@ double Length::inInch(double text_width, double em_width) const
 
 int Length::inPixels(MetricsBase const & base) const
 {
-	return inPixels(base.textwidth, theFontMetrics(base.font).em());
+	FontInfo fi = base.font;
+	if (unit_ == Length::MU)
+		// mu is 1/18th of an em in the math symbol font
+		fi.setFamily(SYMBOL_FAMILY);
+	else
+		// Math style is only taken into account in the case of mu
+		fi.setStyle(LM_ST_TEXT);
+	return inPixels(base.textwidth, theFontMetrics(fi).em());
 }
 
 
@@ -355,7 +373,8 @@ GlueLength::GlueLength(Length const & len, Length const & plus,
 
 GlueLength::GlueLength(string const & data)
 {
-	isValidGlueLength(data, this);
+	if (!isValidGlueLength(data, this))
+		LYXERR0("Invalid glue length " + data);
 }