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-rw-r--r--toolkit/source/awt/vclxfont.cxx191
1 files changed, 191 insertions, 0 deletions
diff --git a/toolkit/source/awt/vclxfont.cxx b/toolkit/source/awt/vclxfont.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 <memory>
+
+#include <com/sun/star/awt/XDevice.hpp>
+
+#include <comphelper/sequence.hxx>
+#include <toolkit/awt/vclxfont.hxx>
+#include <toolkit/helper/vclunohelper.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( )
+{
+ std::unique_lock aGuard( maMutex );
+
+ return VCLUnoHelper::CreateFontDescriptor( maFont );
+
+}
+
+css::awt::SimpleFontMetric VCLXFont::getFontMetric( )
+{
+ std::unique_lock aGuard( maMutex );
+
+ css::awt::SimpleFontMetric aFM;
+ if ( ImplAssertValidFontMetric() )
+ aFM = VCLUnoHelper::CreateFontMetric( *mpFontMetric );
+ return aFM;
+}
+
+sal_Int16 VCLXFont::getCharWidth( sal_Unicode c )
+{
+ std::unique_lock aGuard( maMutex );
+
+ 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 )
+{
+ std::unique_lock aGuard( maMutex );
+
+ 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 )
+{
+ std::unique_lock aGuard( maMutex );
+
+ 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 )
+{
+ std::unique_lock aGuard( maMutex );
+
+ 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 )
+{
+ std::unique_lock aGuard( maMutex );
+ 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: */