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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 <memory>
#include <com/sun/star/awt/XDevice.hpp>
#include <comphelper/sequence.hxx>
#include <toolkit/awt/vclxfont.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <toolkit/helper/macros.hxx>
#include <cppuhelper/queryinterface.hxx>
#include <vcl/metric.hxx>
#include <vcl/outdev.hxx>
#include <vcl/svapp.hxx>
VCLXFont::VCLXFont()
{
mpFontMetric = nullptr;
}
VCLXFont::~VCLXFont()
{
}
void VCLXFont::Init( css::awt::XDevice& rxDev, const vcl::Font& rFont )
{
mxDevice = &rxDev;
mpFontMetric.reset();
maFont = rFont;
}
bool VCLXFont::ImplAssertValidFontMetric()
{
if ( !mpFontMetric && mxDevice.is() )
{
OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
if ( pOutDev )
{
vcl::Font aOldFont = pOutDev->GetFont();
pOutDev->SetFont( maFont );
mpFontMetric.reset( new FontMetric( pOutDev->GetFontMetric() ) );
pOutDev->SetFont( aOldFont );
}
}
return mpFontMetric != nullptr;
}
// css::lang::XUnoTunnel
UNO3_GETIMPLEMENTATION_IMPL( VCLXFont );
css::awt::FontDescriptor VCLXFont::getFontDescriptor( )
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
return VCLUnoHelper::CreateFontDescriptor( maFont );
}
css::awt::SimpleFontMetric VCLXFont::getFontMetric( )
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
css::awt::SimpleFontMetric aFM;
if ( ImplAssertValidFontMetric() )
aFM = VCLUnoHelper::CreateFontMetric( *mpFontMetric );
return aFM;
}
sal_Int16 VCLXFont::getCharWidth( sal_Unicode c )
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
sal_Int16 nRet = -1;
OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
if ( pOutDev )
{
vcl::Font aOldFont = pOutDev->GetFont();
pOutDev->SetFont( maFont );
nRet = sal::static_int_cast< sal_Int16 >(
pOutDev->GetTextWidth( OUString(c) ));
pOutDev->SetFont( aOldFont );
}
return nRet;
}
css::uno::Sequence< sal_Int16 > VCLXFont::getCharWidths( sal_Unicode nFirst, sal_Unicode nLast )
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
css::uno::Sequence<sal_Int16> aSeq;
OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
if ( pOutDev )
{
vcl::Font aOldFont = pOutDev->GetFont();
pOutDev->SetFont( maFont );
sal_Int16 nCount = nLast-nFirst + 1;
aSeq = css::uno::Sequence<sal_Int16>( nCount );
for ( sal_uInt16 n = 0; n < nCount; n++ )
{
aSeq.getArray()[n] = sal::static_int_cast< sal_Int16 >(
pOutDev->GetTextWidth(
OUString(static_cast< sal_Unicode >(nFirst+n)) ));
}
pOutDev->SetFont( aOldFont );
}
return aSeq;
}
sal_Int32 VCLXFont::getStringWidth( const OUString& str )
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
sal_Int32 nRet = -1;
OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
if ( pOutDev )
{
vcl::Font aOldFont = pOutDev->GetFont();
pOutDev->SetFont( maFont );
nRet = pOutDev->GetTextWidth( str );
pOutDev->SetFont( aOldFont );
}
return nRet;
}
sal_Int32 VCLXFont::getStringWidthArray( const OUString& str, css::uno::Sequence< sal_Int32 >& rDXArray )
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
sal_Int32 nRet = -1;
OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
if ( pOutDev )
{
vcl::Font aOldFont = pOutDev->GetFont();
pOutDev->SetFont( maFont );
std::vector<sal_Int32> aDXA;
nRet = pOutDev->GetTextArray( str, &aDXA );
// I don't know if size of aDXA is guaranteed same as length of str, so use arrayToSequence
rDXArray = comphelper::arrayToSequence<sal_Int32>(aDXA.data(), str.getLength());
pOutDev->SetFont( aOldFont );
}
return nRet;
}
void VCLXFont::getKernPairs( css::uno::Sequence< sal_Unicode >& /*rnChars1*/, css::uno::Sequence< sal_Unicode >& /*rnChars2*/, css::uno::Sequence< sal_Int16 >& /*rnKerns*/ )
{
// NOTE: this empty method is just used for keeping the related UNO-API stable
}
// css::awt::XFont2
sal_Bool VCLXFont::hasGlyphs( const OUString& aText )
{
::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
SolarMutexGuard aSolarGuard;
OutputDevice* pOutDev = VCLUnoHelper::GetOutputDevice( mxDevice );
if ( pOutDev )
{
if ( pOutDev->HasGlyphs( maFont, aText ) == -1 )
{
return true;
}
}
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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