vcl/inc/font/FeatureCollector.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  */
  10
  11 #ifndef INCLUDED_VCL_INC_FONT_FEATURECOLLECTOR_HXX
  12 #define INCLUDED_VCL_INC_FONT_FEATURECOLLECTOR_HXX
  13
  14 #include <vcl/font/Feature.hxx>
  15 #include <hb.h>
  16 #include <i18nlangtag/lang.h>
  17
  18 namespace vcl::font
  19 {
  20 class FeatureCollector
  21 {
  22 private:
  23     hb_face_t* m_pHbFace;
  24     std::vector<vcl::font::Feature>& m_rFontFeatures;
  25     LanguageType m_eLanguageType;
  26
  27 public:
  28     FeatureCollector(hb_face_t* pHbFace, std::vector<vcl::font::Feature>& rFontFeatures,
  29                      LanguageType eLanguageType)
  30         : m_pHbFace(pHbFace)
  31         , m_rFontFeatures(rFontFeatures)
  32         , m_eLanguageType(eLanguageType)
  33     {
  34     }
  35
  36 private:
  37     void collectForLanguage(hb_tag_t aTableTag, sal_uInt32 nScript, hb_tag_t aScriptTag,
  38                             sal_uInt32 nLanguage, hb_tag_t aLanguageTag);
  39
  40     void collectForScript(hb_tag_t aTableTag, sal_uInt32 nScript, hb_tag_t aScriptTag);
  41     void collectForTable(hb_tag_t aTableTag);
  42     bool collectGraphite();
  43
  44 public:
  45     bool collect();
  46 };
  47
  48 } // namespace vcl::font
  49
  50 #endif // INCLUDED_VCL_INC_FONT_FEATURECOLLECTOR_HXX
  51
  52 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */