vcl/qt5/Qt5Font.cxx

   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  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <Qt5Font.hxx>
  21 #include <Qt5Tools.hxx>
  22
  23 #include <QtGui/QFont>
  24 #include <QtGui/QRawFont>
  25
  26 static inline void applyWeight(Qt5Font& rFont, FontWeight eWeight)
  27 {
  28     switch (eWeight)
  29     {
  30         case WEIGHT_THIN:
  31             rFont.setWeight(QFont::Thin);
  32             break;
  33         case WEIGHT_ULTRALIGHT:
  34             rFont.setWeight(QFont::ExtraLight);
  35             break;
  36         case WEIGHT_LIGHT:
  37             rFont.setWeight(QFont::Light);
  38             break;
  39         case WEIGHT_SEMILIGHT:
  40             [[fallthrough]];
  41         case WEIGHT_NORMAL:
  42             rFont.setWeight(QFont::Normal);
  43             break;
  44         case WEIGHT_MEDIUM:
  45             rFont.setWeight(QFont::Medium);
  46             break;
  47         case WEIGHT_SEMIBOLD:
  48             rFont.setWeight(QFont::DemiBold);
  49             break;
  50         case WEIGHT_BOLD:
  51             rFont.setWeight(QFont::Bold);
  52             break;
  53         case WEIGHT_ULTRABOLD:
  54             rFont.setWeight(QFont::ExtraBold);
  55             break;
  56         case WEIGHT_BLACK:
  57             rFont.setWeight(QFont::Black);
  58             break;
  59         default:
  60             break;
  61     }
  62 }
  63
  64 static inline void applyStretch(Qt5Font& rFont, FontWidth eWidthType)
  65 {
  66     switch (eWidthType)
  67     {
  68         case WIDTH_DONTKNOW:
  69             rFont.setStretch(QFont::AnyStretch);
  70             break;
  71         case WIDTH_ULTRA_CONDENSED:
  72             rFont.setStretch(QFont::UltraCondensed);
  73             break;
  74         case WIDTH_EXTRA_CONDENSED:
  75             rFont.setStretch(QFont::ExtraCondensed);
  76             break;
  77         case WIDTH_CONDENSED:
  78             rFont.setStretch(QFont::Condensed);
  79             break;
  80         case WIDTH_SEMI_CONDENSED:
  81             rFont.setStretch(QFont::SemiCondensed);
  82             break;
  83         case WIDTH_NORMAL:
  84             rFont.setStretch(QFont::Unstretched);
  85             break;
  86         case WIDTH_SEMI_EXPANDED:
  87             rFont.setStretch(QFont::SemiExpanded);
  88             break;
  89         case WIDTH_EXPANDED:
  90             rFont.setStretch(QFont::Expanded);
  91             break;
  92         case WIDTH_EXTRA_EXPANDED:
  93             rFont.setStretch(QFont::ExtraExpanded);
  94             break;
  95         case WIDTH_ULTRA_EXPANDED:
  96             rFont.setStretch(QFont::UltraExpanded);
  97             break;
  98         default:
  99             break;
 100     }
 101 }
 102
 103 static inline void applyStyle(Qt5Font& rFont, FontItalic eItalic)
 104 {
 105     switch (eItalic)
 106     {
 107         case ITALIC_NONE:
 108             rFont.setStyle(QFont::Style::StyleNormal);
 109             break;
 110         case ITALIC_OBLIQUE:
 111             rFont.setStyle(QFont::Style::StyleOblique);
 112             break;
 113         case ITALIC_NORMAL:
 114             rFont.setStyle(QFont::Style::StyleItalic);
 115             break;
 116         default:
 117             break;
 118     }
 119 }
 120
 121 Qt5Font::Qt5Font(const PhysicalFontFace& rPFF, const FontSelectPattern& rFSP)
 122     : LogicalFontInstance(rPFF, rFSP)
 123 {
 124     setFamily(toQString(rPFF.GetFamilyName()));
 125     applyWeight(*this, rPFF.GetWeight());
 126     setPixelSize(rFSP.mnHeight);
 127     applyStretch(*this, rPFF.GetWidthType());
 128     applyStyle(*this, rFSP.GetItalic());
 129 }
 130
 131 static hb_blob_t* getFontTable(hb_face_t*, hb_tag_t nTableTag, void* pUserData)
 132 {
 133     char pTagName[5];
 134     LogicalFontInstance::DecodeOpenTypeTag(nTableTag, pTagName);
 135
 136     Qt5Font* pFont = static_cast<Qt5Font*>(pUserData);
 137     QRawFont aRawFont(QRawFont::fromFont(*pFont));
 138     QByteArray aTable = aRawFont.fontTable(pTagName);
 139     const sal_uInt32 nLength = aTable.size();
 140
 141     hb_blob_t* pBlob = nullptr;
 142     if (nLength > 0)
 143         pBlob = hb_blob_create(aTable.data(), nLength, HB_MEMORY_MODE_DUPLICATE, nullptr, nullptr);
 144     return pBlob;
 145 }
 146
 147 hb_font_t* Qt5Font::ImplInitHbFont()
 148 {
 149     return InitHbFont(hb_face_create_for_tables(getFontTable, this, nullptr));
 150 }
 151
 152 bool Qt5Font::GetGlyphOutline(sal_GlyphId, basegfx::B2DPolyPolygon&, bool) const { return false; }
 153
 154 bool Qt5Font::ImplGetGlyphBoundRect(sal_GlyphId nId, tools::Rectangle& rRect, bool) const
 155 {
 156     QRawFont aRawFont(QRawFont::fromFont(*this));
 157     rRect = toRectangle(aRawFont.boundingRect(nId).toAlignedRect());
 158     return true;
 159 }
 160
 161 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */