X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FMathSupport.cpp;h=daf437fc67fe5003a868ccac45e6d2a093cb1508;hb=3e79e0f5f00add2c735d372f4734cf31f64b7e5f;hp=16fbbcd4be0be7816302fce8560f550ce1a91431;hpb=eacac8bea2a7dc56a994eb28e517b0fa8c17937f;p=lyx.git

diff --git a/src/mathed/MathSupport.cpp b/src/mathed/MathSupport.cpp
index 16fbbcd4be..daf437fc67 100644
--- a/src/mathed/MathSupport.cpp
+++ b/src/mathed/MathSupport.cpp
@@ -15,10 +15,13 @@
 
 #include "InsetMathFont.h"
 #include "InsetMathSymbol.h"
+#include "Length.h"
 #include "MathData.h"
+#include "MathFactory.h"
 #include "MathParser.h"
 #include "MathStream.h"
 
+#include "LaTeXFeatures.h"
 #include "MetricsInfo.h"
 
 #include "frontends/FontLoader.h"
@@ -533,25 +536,15 @@ int mathed_font_em(FontInfo const & font)
  * above.
  */
 
-int mathed_thinmuskip(FontInfo font)
+int mathed_mu(FontInfo const & font, double mu)
 {
-	font.setFamily(SYMBOL_FAMILY);
-	return support::iround(3.0 / 18 * theFontMetrics(font).em());
+	MetricsBase mb(nullptr, font);
+	return Length(mu, Length::MU).inPixels(mb);
 }
 
-
-int mathed_medmuskip(FontInfo font)
-{
-	font.setFamily(SYMBOL_FAMILY);
-	return support::iround(4.0 / 18 * theFontMetrics(font).em());
-}
-
-
-int mathed_thickmuskip(FontInfo font)
-{
-	font.setFamily(SYMBOL_FAMILY);
-	return support::iround(5.0 / 18 * theFontMetrics(font).em());
-}
+int mathed_thinmuskip(FontInfo const & font) { return mathed_mu(font, 3.0); }
+int mathed_medmuskip(FontInfo const & font) { return mathed_mu(font, 4.0); }
+int mathed_thickmuskip(FontInfo const & font) { return mathed_mu(font, 5.0); }
 
 
 int mathed_char_width(FontInfo const & font, char_type c)
@@ -994,4 +987,23 @@ docstring asString(MathAtom const & at)
 }
 
 
+int axis_height(MetricsBase & mb)
+{
+	Changer dummy = mb.changeFontSet("mathnormal");
+	return theFontMetrics(mb.font).ascent('-') - 1;
+}
+
+
+void validate_math_word(LaTeXFeatures & features, docstring const & word)
+{
+	MathWordList const & words = mathedWordList();
+	MathWordList::const_iterator it = words.find(word);
+	if (it != words.end()) {
+		string const req = it->second.requires;
+		if (!req.empty())
+			features.require(req);
+	}
+}
+
+
 } // namespace lyx