office-gobmx/vcl/source/font/Feature.cxx
Khaled Hosny 7581fcde3c FeatureCollector: Simplify
We are not using the script or language information for anything, so we
can use HarfBuzz API to query the GSUB/GPOS tables directly.

Change-Id: Ie68c51a1662494ba33ec192edb78afa0d8added4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/138745
Tested-by: خالد حسني <khaled@aliftype.com>
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
2022-08-25 13:02:14 +02:00

162 lines
4.1 KiB
C++

/* -*- 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/.
*
*/
#include <utility>
#include <vcl/font/Feature.hxx>
#include <svdata.hxx>
#include <hb.h>
namespace vcl::font
{
OUString featureCodeAsString(uint32_t nFeature)
{
std::vector<char> aString(5, 0);
aString[0] = char(nFeature >> 24 & 0xff);
aString[1] = char(nFeature >> 16 & 0xff);
aString[2] = char(nFeature >> 8 & 0xff);
aString[3] = char(nFeature >> 0 & 0xff);
return OStringToOUString(aString.data(), RTL_TEXTENCODING_ASCII_US);
}
// Feature
Feature::Feature()
: m_nCode(0)
, m_eType(FeatureType::OpenType)
{
}
Feature::Feature(uint32_t nCode, FeatureType eType)
: m_nCode(nCode)
, m_eType(eType)
{
}
// FeatureSetting
FeatureSetting::FeatureSetting(OString feature)
: m_nTag(0)
, m_nValue(0)
, m_nStart(0)
, m_nEnd(0)
{
hb_feature_t aFeat;
if (hb_feature_from_string(feature.getStr(), feature.getLength(), &aFeat))
{
m_nTag = aFeat.tag;
m_nValue = aFeat.value;
m_nStart = aFeat.start;
m_nEnd = aFeat.end;
}
}
// FeatureParameter
FeatureParameter::FeatureParameter(uint32_t nCode, OUString aDescription)
: m_nCode(nCode)
, m_sDescription(std::move(aDescription))
{
}
FeatureParameter::FeatureParameter(uint32_t nCode, TranslateId pDescriptionID)
: m_nCode(nCode)
, m_pDescriptionID(pDescriptionID)
{
}
OUString FeatureParameter::getDescription() const
{
OUString aReturnString;
if (m_pDescriptionID)
aReturnString = VclResId(m_pDescriptionID);
else if (!m_sDescription.isEmpty())
aReturnString = m_sDescription;
return aReturnString;
}
uint32_t FeatureParameter::getCode() const { return m_nCode; }
// FeatureDefinition
FeatureDefinition::FeatureDefinition()
: m_nCode(0)
, m_nDefault(-1)
, m_eType(FeatureParameterType::BOOL)
{
}
FeatureDefinition::FeatureDefinition(uint32_t nCode, OUString aDescription,
FeatureParameterType eType,
std::vector<FeatureParameter>&& rEnumParameters,
int32_t nDefault)
: m_sDescription(std::move(aDescription))
, m_nCode(nCode)
, m_nDefault(nDefault)
, m_eType(eType)
, m_aEnumParameters(std::move(rEnumParameters))
{
}
FeatureDefinition::FeatureDefinition(uint32_t nCode, TranslateId pDescriptionID,
OUString aNumericPart)
: m_pDescriptionID(pDescriptionID)
, m_sNumericPart(std::move(aNumericPart))
, m_nCode(nCode)
, m_nDefault(-1)
, m_eType(FeatureParameterType::BOOL)
{
}
FeatureDefinition::FeatureDefinition(uint32_t nCode, TranslateId pDescriptionID,
std::vector<FeatureParameter> aEnumParameters)
: m_pDescriptionID(pDescriptionID)
, m_nCode(nCode)
, m_nDefault(-1)
, m_eType(FeatureParameterType::ENUM)
, m_aEnumParameters(std::move(aEnumParameters))
{
}
const std::vector<FeatureParameter>& FeatureDefinition::getEnumParameters() const
{
return m_aEnumParameters;
}
OUString FeatureDefinition::getDescription() const
{
if (m_pDescriptionID)
{
OUString sTranslatedDescription = VclResId(m_pDescriptionID);
if (!m_sNumericPart.isEmpty())
return sTranslatedDescription.replaceFirst("%1", m_sNumericPart);
return sTranslatedDescription;
}
else if (!m_sDescription.isEmpty())
{
return m_sDescription;
}
else
{
return vcl::font::featureCodeAsString(m_nCode);
}
}
uint32_t FeatureDefinition::getCode() const { return m_nCode; }
FeatureParameterType FeatureDefinition::getType() const { return m_eType; }
FeatureDefinition::operator bool() const { return m_nCode != 0; }
int32_t FeatureDefinition::getDefault() const { return m_nDefault; }
} // end vcl::font namespace
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */