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[dcpomatic.git] / src / lib / font_config.cc

diff --git a/src/lib/font_config.cc b/src/lib/font_config.cc
index c7361bc04823e7547a74b5117c5dfdbd732bd252..40b9770c76062069af9ece55c5bd7fe30b7a6d3c 100644 (file)
--- a/src/lib/font_config.cc
+++ b/src/lib/font_config.cc
@@ -20,8 +20,10 @@
 
 
 #include "dcpomatic_assert.h"
+#include "dcpomatic_log.h"
 #include "font_config.h"
 #include <fontconfig/fontconfig.h>
+#include <boost/filesystem.hpp>
 #include <boost/optional.hpp>
 
 
@@ -85,6 +87,44 @@ FontConfig::make_font_available(boost::filesystem::path font_file)
 }
 
 
+optional<boost::filesystem::path>
+FontConfig::system_font_with_name(string name)
+{
+       optional<boost::filesystem::path> path;
+
+       LOG_GENERAL("Searching system for font %1", name);
+       auto pattern = FcNameParse(reinterpret_cast<FcChar8 const*>(name.c_str()));
+       auto object_set = FcObjectSetBuild(FC_FILE, nullptr);
+       auto font_set = FcFontList(_config, pattern, object_set);
+       if (font_set) {
+               LOG_GENERAL("%1 candidate fonts found", font_set->nfont);
+               for (int i = 0; i < font_set->nfont; ++i) {
+                       auto font = font_set->fonts[i];
+                       FcChar8* file;
+                       if (FcPatternGetString(font, FC_FILE, 0, &file) == FcResultMatch) {
+                               path = boost::filesystem::path(reinterpret_cast<char*>(file));
+                               LOG_GENERAL("Found %1", *path);
+                               break;
+                       }
+               }
+               FcFontSetDestroy(font_set);
+       } else {
+               LOG_GENERAL_NC("No candidate fonts found");
+       }
+
+       FcObjectSetDestroy(object_set);
+       FcPatternDestroy(pattern);
+
+       if (path) {
+               LOG_GENERAL("Searched system for font %1, found %2", name, *path);
+       } else {
+               LOG_GENERAL("Searched system for font %1; nothing found", name);
+       }
+
+       return path;
+}
+
+
 FontConfig *
 FontConfig::instance()
 {