Get the libass provider working on Windows. Requires a valid fontconfig config file (currently not included).

Originally committed to SVN as r4730.

aegisub/src/setup.cpp

@@ -136,6 +136,10 @@
 #pragma comment(lib,"libfontconfig.lib")
 #endif
 
+#ifdef WITH_LIBASS
+#pragma comment(lib, "libass.lib")
+#endif
+
 
 #endif // VisualC
 

aegisub/src/subtitles_provider_libass.cpp

@@ -63,7 +63,11 @@ extern "C" {
 ///
 static void msg_callback(int level, const char *fmt, va_list args, void *data) {
 	char buf[256];
-	snprintf(buf, sizeof(buf), fmt, args);
+#ifdef _WIN32
+	vsprintf_s(buf, sizeof(buf), fmt, args);
+#else
+	vsnprintf(buf, sizeof(buf), fmt, args);
+#endif
 
 	if (level < 2) // warning/error
 		LOG_I("subtitle/provider/libass") << buf;
@@ -105,6 +109,10 @@ LibassSubtitlesProvider::LibassSubtitlesProvider(std::string) {
 	config_dir = OSX_GetBundleResourcesDirectory();
 	snprintf(config_path, MAXPATHLEN, "%s/etc/fonts/fonts.conf", config_dir);
 	free(config_dir);
+#elif defined(_WIN32)
+	wxString config_file = StandardPaths::DecodePath(L"?user/fonts/fonts.conf");
+	char config_path[MAX_PATH];
+	strcpy_s(config_path, sizeof config_path, config_file.utf8_str());
 #else
 	const char *config_path = NULL;
 #endif

aegisub/src/video_context.cpp

@@ -195,6 +195,7 @@ void VideoContext::SetVideo(const wxString &filename) {
 			hasSubtitles = MatroskaWrapper::HasSubtitles(filename);
 		}
 
+		provider->LoadSubtitles(grid->ass);
 		UpdateDisplays(true);
 	}
 	catch (agi::UserCancelException const&) { }