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libreoffice/vcl/qt5/QtFontFace.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

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6.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <unotools/fontdefs.hxx>
#include <QtFontFace.hxx>
#include <QtFont.hxx>
#include <QtTools.hxx>
#include <font/LogicalFontInstance.hxx>
#include <font/FontSelectPattern.hxx>
#include <font/PhysicalFontCollection.hxx>
#include <QtGui/QFont>
#include <QtGui/QFontDatabase>
#include <QtGui/QFontInfo>
#include <QtGui/QRawFont>
#include <utility>
using namespace vcl;
QtFontFace::QtFontFace(const QtFontFace& rSrc)
: vcl::font::PhysicalFontFace(rSrc)
, m_aFontId(rSrc.m_aFontId)
, m_eFontIdType(rSrc.m_eFontIdType)
{
}
FontWeight QtFontFace::toFontWeight(const int nWeight)
{
if (nWeight <= QFont::Thin)
return WEIGHT_THIN;
if (nWeight <= QFont::ExtraLight)
return WEIGHT_ULTRALIGHT;
if (nWeight <= QFont::Light)
return WEIGHT_LIGHT;
if (nWeight <= QFont::Normal)
return WEIGHT_NORMAL;
if (nWeight <= QFont::Medium)
return WEIGHT_MEDIUM;
if (nWeight <= QFont::DemiBold)
return WEIGHT_SEMIBOLD;
if (nWeight <= QFont::Bold)
return WEIGHT_BOLD;
if (nWeight <= QFont::ExtraBold)
return WEIGHT_ULTRABOLD;
return WEIGHT_BLACK;
}
FontWidth QtFontFace::toFontWidth(const int nStretch)
{
if (nStretch == 0) // QFont::AnyStretch since Qt 5.8
return WIDTH_DONTKNOW;
if (nStretch <= QFont::UltraCondensed)
return WIDTH_ULTRA_CONDENSED;
if (nStretch <= QFont::ExtraCondensed)
return WIDTH_EXTRA_CONDENSED;
if (nStretch <= QFont::Condensed)
return WIDTH_CONDENSED;
if (nStretch <= QFont::SemiCondensed)
return WIDTH_SEMI_CONDENSED;
if (nStretch <= QFont::Unstretched)
return WIDTH_NORMAL;
if (nStretch <= QFont::SemiExpanded)
return WIDTH_SEMI_EXPANDED;
if (nStretch <= QFont::Expanded)
return WIDTH_EXPANDED;
if (nStretch <= QFont::ExtraExpanded)
return WIDTH_EXTRA_EXPANDED;
return WIDTH_ULTRA_EXPANDED;
}
FontItalic QtFontFace::toFontItalic(const QFont::Style eStyle)
{
switch (eStyle)
{
case QFont::StyleNormal:
return ITALIC_NONE;
case QFont::StyleItalic:
return ITALIC_NORMAL;
case QFont::StyleOblique:
return ITALIC_OBLIQUE;
}
return ITALIC_NONE;
}
void QtFontFace::fillAttributesFromQFont(const QFont& rFont, FontAttributes& rFA)
{
QFontInfo aFontInfo(rFont);
rFA.SetFamilyName(toOUString(aFontInfo.family()));
rFA.SetStyleName(toOUString(aFontInfo.styleName()));
rFA.SetPitch(aFontInfo.fixedPitch() ? PITCH_FIXED : PITCH_VARIABLE);
rFA.SetWeight(QtFontFace::toFontWeight(aFontInfo.weight()));
rFA.SetItalic(QtFontFace::toFontItalic(aFontInfo.style()));
rFA.SetWidthType(QtFontFace::toFontWidth(rFont.stretch()));
}
QtFontFace* QtFontFace::fromQFont(const QFont& rFont)
{
FontAttributes aFA;
fillAttributesFromQFont(rFont, aFA);
return new QtFontFace(aFA, rFont.toString(), FontIdType::Font);
}
QtFontFace* QtFontFace::fromQFontDatabase(const QString& aFamily, const QString& aStyle)
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
auto const isFixedPitch = QFontDatabase::isFixedPitch(aFamily, aStyle);
auto const weigh = QFontDatabase::weight(aFamily, aStyle);
auto const italic = QFontDatabase::italic(aFamily, aStyle);
auto const aPointList = QFontDatabase::pointSizes(aFamily, aStyle);
#else
QFontDatabase aFDB;
auto const isFixedPitch = aFDB.isFixedPitch(aFamily, aStyle);
auto const weigh = aFDB.weight(aFamily, aStyle);
auto const italic = aFDB.italic(aFamily, aStyle);
auto const aPointList = aFDB.pointSizes(aFamily, aStyle);
#endif
FontAttributes aFA;
aFA.SetFamilyName(toOUString(aFamily));
aFA.SetStyleName(toOUString(aStyle));
aFA.SetPitch(isFixedPitch ? PITCH_FIXED : PITCH_VARIABLE);
aFA.SetWeight(QtFontFace::toFontWeight(weigh));
aFA.SetItalic(italic ? ITALIC_NORMAL : ITALIC_NONE);
int nPointSize = 0;
if (!aPointList.empty())
nPointSize = aPointList[0];
return new QtFontFace(aFA, aFamily + "," + aStyle + "," + QString::number(nPointSize),
FontIdType::FontDB);
}
QtFontFace::QtFontFace(const FontAttributes& rFA, QString aFontID, const FontIdType eFontIdType)
: PhysicalFontFace(rFA)
, m_aFontId(std::move(aFontID))
, m_eFontIdType(eFontIdType)
{
}
sal_IntPtr QtFontFace::GetFontId() const { return reinterpret_cast<sal_IntPtr>(&m_aFontId); }
QFont QtFontFace::CreateFont() const
{
QFont aFont;
switch (m_eFontIdType)
{
case FontDB:
{
QStringList aStrList = m_aFontId.split(",");
if (3 == aStrList.size())
{
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
aFont = QFontDatabase::font(aStrList[0], aStrList[1], aStrList[2].toInt());
#else
QFontDatabase aFDB;
aFont = aFDB.font(aStrList[0], aStrList[1], aStrList[2].toInt());
#endif
}
else
SAL_WARN("vcl.qt", "Invalid QFontDatabase font ID " << m_aFontId);
break;
}
case Font:
bool bRet = aFont.fromString(m_aFontId);
SAL_WARN_IF(!bRet, "vcl.qt", "Failed to create QFont from ID: " << m_aFontId);
Q_UNUSED(bRet);
break;
}
return aFont;
}
rtl::Reference<LogicalFontInstance>
QtFontFace::CreateFontInstance(const vcl::font::FontSelectPattern& rFSD) const
{
return new QtFont(*this, rFSD);
}
hb_blob_t* QtFontFace::GetHbTable(hb_tag_t nTag) const
{
char pTagName[5] = { '\0' };
hb_tag_to_string(nTag, pTagName);
QFont aFont = CreateFont();
QRawFont aRawFont(QRawFont::fromFont(aFont));
QByteArray aTable = aRawFont.fontTable(pTagName);
const sal_uInt32 nLength = aTable.size();
hb_blob_t* pBlob = nullptr;
if (nLength > 0)
pBlob = hb_blob_create(aTable.data(), nLength, HB_MEMORY_MODE_DUPLICATE, nullptr, nullptr);
return pBlob;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */