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-rw-r--r--vcl/inc/font/FeatureCollector.hxx52
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diff --git a/vcl/inc/font/FeatureCollector.hxx b/vcl/inc/font/FeatureCollector.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_INC_FONT_FEATURECOLLECTOR_HXX
+#define INCLUDED_VCL_INC_FONT_FEATURECOLLECTOR_HXX
+
+#include <vcl/font/Feature.hxx>
+#include <hb.h>
+#include <i18nlangtag/lang.h>
+
+namespace vcl::font
+{
+class FeatureCollector
+{
+private:
+ hb_face_t* m_pHbFace;
+ std::vector<vcl::font::Feature>& m_rFontFeatures;
+ LanguageType m_eLanguageType;
+
+public:
+ FeatureCollector(hb_face_t* pHbFace, std::vector<vcl::font::Feature>& rFontFeatures,
+ LanguageType eLanguageType)
+ : m_pHbFace(pHbFace)
+ , m_rFontFeatures(rFontFeatures)
+ , m_eLanguageType(eLanguageType)
+ {
+ }
+
+private:
+ void collectForLanguage(hb_tag_t aTableTag, sal_uInt32 nScript, hb_tag_t aScriptTag,
+ sal_uInt32 nLanguage, hb_tag_t aLanguageTag);
+
+ void collectForScript(hb_tag_t aTableTag, sal_uInt32 nScript, hb_tag_t aScriptTag);
+ void collectForTable(hb_tag_t aTableTag);
+ bool collectGraphite();
+
+public:
+ bool collect();
+};
+
+} // namespace vcl::font
+
+#endif // INCLUDED_VCL_INC_FONT_FEATURECOLLECTOR_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */