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libreoffice/vcl/qt5/Qt5FontFace.cxx

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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/.
*
* 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 <Qt5FontFace.hxx>
#include "Qt5Font.hxx"
#include <Qt5Tools.hxx>
#include <sft.hxx>
#include <impfontcharmap.hxx>
#include <fontinstance.hxx>
#include <fontselect.hxx>
#include <PhysicalFontCollection.hxx>
#include <QtGui/QFont>
#include <QtGui/QFontInfo>
#include <QtGui/QRawFont>
using namespace vcl;
Qt5FontFace::Qt5FontFace(const Qt5FontFace& rSrc)
: PhysicalFontFace(rSrc)
, m_aFontId(rSrc.m_aFontId)
{
if (rSrc.m_xCharMap.is())
m_xCharMap = rSrc.m_xCharMap;
}
Qt5FontFace* Qt5FontFace::fromQFont(const QFont& rFont)
{
FontAttributes aFA;
aFA.SetFamilyName(toOUString(rFont.family()));
aFA.SetStyleName(toOUString(rFont.styleName()));
aFA.SetItalic(rFont.italic() ? ITALIC_NORMAL : ITALIC_NONE);
return new Qt5FontFace(aFA, rFont.toString());
}
Qt5FontFace::Qt5FontFace(const FontAttributes& rFA, const QString& rFontID)
: PhysicalFontFace(rFA)
, m_aFontId(rFontID)
, m_bFontCapabilitiesRead(false)
{
}
Qt5FontFace::~Qt5FontFace() {}
sal_IntPtr Qt5FontFace::GetFontId() const { return reinterpret_cast<sal_IntPtr>(&m_aFontId); }
LogicalFontInstance* Qt5FontFace::CreateFontInstance(const FontSelectPattern& rFSD) const
{
return new Qt5Font(*this, rFSD);
}
const FontCharMapRef Qt5FontFace::GetFontCharMap() const
{
if (m_xCharMap.is())
return m_xCharMap;
QFont aFont;
aFont.fromString(m_aFontId);
QRawFont aRawFont(QRawFont::fromFont(aFont));
QByteArray aCMapTable = aRawFont.fontTable("cmap");
if (aCMapTable.isEmpty())
{
m_xCharMap = new FontCharMap();
return m_xCharMap;
}
CmapResult aCmapResult;
if (ParseCMAP(reinterpret_cast<const unsigned char*>(aCMapTable.data()), aCMapTable.size(),
aCmapResult))
m_xCharMap = new FontCharMap(aCmapResult);
return m_xCharMap;
}
bool Qt5FontFace::GetFontCapabilities(vcl::FontCapabilities& rFontCapabilities) const
{
// read this only once per font
if (m_bFontCapabilitiesRead)
{
rFontCapabilities = m_aFontCapabilities;
return rFontCapabilities.oUnicodeRange || rFontCapabilities.oCodePageRange;
}
m_bFontCapabilitiesRead = true;
QFont aFont;
aFont.fromString(m_aFontId);
QRawFont aRawFont(QRawFont::fromFont(aFont));
QByteArray aOS2Table = aRawFont.fontTable("OS/2");
if (!aOS2Table.isEmpty())
{
vcl::getTTCoverage(m_aFontCapabilities.oUnicodeRange, m_aFontCapabilities.oCodePageRange,
reinterpret_cast<const unsigned char*>(aOS2Table.data()),
aOS2Table.size());
}
rFontCapabilities = m_aFontCapabilities;
return rFontCapabilities.oUnicodeRange || rFontCapabilities.oCodePageRange;
}
rtl::Reference<PhysicalFontFace> Qt5FontFace::Clone() const { return new Qt5FontFace(*this); }
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */