From 960af8f370062c5ff7173861d8cc3d0a329b043f Mon Sep 17 00:00:00 2001
From: Enrico Forestieri <forenr@lyx.org>
Date: Tue, 4 Sep 2007 13:33:21 +0000
Subject: [PATCH] Register math fonts with fontconfig

	* src/support/os_unix.cpp
	  (addFontResources): add the system fonts dir to the paths
	  scanned by fontconfig.
	  (restoreFontResources): remove the system fonts dir from the
	  fontconfig configuration.

	* configure.ac:
	  add check for the fontconfig devel headers.


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@20034 a592a061-630c-0410-9148-cb99ea01b6c8
---
 configure.ac            |  2 +-
 src/support/os_unix.cpp | 21 ++++++++++++++++++---
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 39d2292e7d..bd6b955b89 100644
--- a/configure.ac
+++ b/configure.ac
@@ -236,7 +236,7 @@ AC_LANG_POP(C)
 # some standard header files
 AC_HEADER_DIRENT
 AC_HEADER_MAJOR
-AC_CHECK_HEADERS(sys/time.h sys/types.h sys/select.h strings.h locale.h io.h process.h NewAPIs.h utime.h sys/utime.h)
+AC_CHECK_HEADERS(sys/time.h sys/types.h sys/select.h strings.h locale.h io.h process.h NewAPIs.h utime.h sys/utime.h fontconfig/fontconfig.h)
 
 # some standard structures
 AC_HEADER_STAT
diff --git a/src/support/os_unix.cpp b/src/support/os_unix.cpp
index b580a99fd3..c349479809 100644
--- a/src/support/os_unix.cpp
+++ b/src/support/os_unix.cpp
@@ -13,14 +13,19 @@
 #include <config.h>
 
 #include "support/os.h"
+#include "debug.h"
 
 #ifdef __APPLE__
-#include "debug.h"
 #include <Carbon/Carbon.h>
 #include <ApplicationServices/ApplicationServices.h>
-using std::endl;
+#elif defined(HAVE_FONTCONFIG_FONTCONFIG_H)
+#include "support/filetools.h"
+#include "support/Package.h"
+#include <fontconfig/fontconfig.h>
+using lyx::support::addPath;
 #endif
 
+using std::endl;
 using std::string;
 
 
@@ -224,12 +229,22 @@ void addFontResources()
 			       kFMLocalActivationContext);
 	if (err)
 		lyxerr << "FMActivateFonts err = " << err << endl;
+#elif defined(HAVE_FONTCONFIG_FONTCONFIG_H)
+	// Register BaKoMa truetype fonts with fontconfig
+	string const fonts_dir =
+		addPath(package().system_support().absFilename(), "fonts");
+	if (!FcConfigAppFontAddDir(0, (FcChar8 const *)fonts_dir.c_str()))
+		lyxerr << "Unable to register fonts with fontconfig." << endl;
 #endif
 }
 
 
 void restoreFontResources()
-{}
+{
+#if defined(HAVE_FONTCONFIG_FONTCONFIG_H) && !defined(__APPLE__)
+	FcConfigAppFontClear(0);
+#endif
+}
 
 } // namespace os
 } // namespace support
-- 
2.39.2