office-gobmx/canvas/source/opengl/ogl_textlayout.cxx
Noel Grandin 7ffa7e56c0 loplugin: new global analysis locking2
look for methods where we don't need to guard access
to the field, because the field is never modified

Change-Id: I62c33cc3f52881557515765d3733c4afc78547aa
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155836
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2023-08-19 17:40:47 +02:00

195 lines
6.2 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 <sal/config.h>
#include <sal/log.hxx>
#include <utility>
#include <comphelper/diagnose_ex.hxx>
#include "ogl_textlayout.hxx"
using namespace ::com::sun::star;
namespace oglcanvas
{
TextLayout::TextLayout( rendering::StringContext aText,
sal_Int8 nDirection,
sal_Int64 /*nRandomSeed*/,
CanvasFont::ImplRef rFont ) :
maText(std::move( aText )),
mpFont(std::move( rFont )),
mnTextDirection( nDirection )
{
}
void TextLayout::disposing(std::unique_lock<std::mutex>& /*rGuard*/)
{
mpFont.clear();
}
// XTextLayout
uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > > SAL_CALL TextLayout::queryTextShapes( )
{
// TODO
return uno::Sequence< uno::Reference< rendering::XPolyPolygon2D > >();
}
uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryInkMeasures( )
{
// TODO
return uno::Sequence< geometry::RealRectangle2D >();
}
uno::Sequence< geometry::RealRectangle2D > SAL_CALL TextLayout::queryMeasures( )
{
// TODO
return uno::Sequence< geometry::RealRectangle2D >();
}
uno::Sequence< double > SAL_CALL TextLayout::queryLogicalAdvancements( )
{
std::unique_lock aGuard( m_aMutex );
return maLogicalAdvancements;
}
void SAL_CALL TextLayout::applyLogicalAdvancements( const uno::Sequence< double >& aAdvancements )
{
std::unique_lock aGuard( m_aMutex );
if( aAdvancements.getLength() != maText.Length )
{
SAL_INFO("canvas.ogl", "TextLayout::applyLogicalAdvancements(): mismatching number of advancements");
throw lang::IllegalArgumentException();
}
maLogicalAdvancements = aAdvancements;
}
uno::Sequence< sal_Bool > SAL_CALL TextLayout::queryKashidaPositions( )
{
std::unique_lock aGuard( m_aMutex );
return maKashidaPositions;
}
void SAL_CALL TextLayout::applyKashidaPositions( const uno::Sequence< sal_Bool >& aPositions )
{
std::unique_lock aGuard( m_aMutex );
if( aPositions.hasElements() && aPositions.getLength() != maText.Length )
{
SAL_WARN("canvas.ogl", "TextLayout::applyKashidaPositions(): mismatching number of positions" );
throw lang::IllegalArgumentException("mismatching number of positions", getXWeak(), 1);
}
maKashidaPositions = aPositions;
}
geometry::RealRectangle2D SAL_CALL TextLayout::queryTextBounds( )
{
std::unique_lock aGuard( m_aMutex );
ENSURE_OR_THROW( mpFont,
"TextLayout::queryTextBounds(): invalid font" );
// fake text bounds by either taking the advancement values,
// or assuming square glyph boxes (width similar to height)
const rendering::FontRequest& rFontRequest( mpFont->getFontRequest() );
const double nFontSize( std::max( rFontRequest.CellSize,
rFontRequest.ReferenceAdvancement ) );
if( maLogicalAdvancements.hasElements() )
{
return geometry::RealRectangle2D( 0, -nFontSize/2,
maLogicalAdvancements[ maLogicalAdvancements.getLength()-1 ],
nFontSize/2 );
}
else
{
return geometry::RealRectangle2D( 0, -nFontSize/2,
nFontSize * maText.Length,
nFontSize/2 );
}
}
double SAL_CALL TextLayout::justify( double /*nSize*/ )
{
// TODO
return 0.0;
}
double SAL_CALL TextLayout::combinedJustify( const uno::Sequence< uno::Reference< rendering::XTextLayout > >& /*aNextLayouts*/,
double /*nSize*/ )
{
// TODO
return 0.0;
}
rendering::TextHit SAL_CALL TextLayout::getTextHit( const geometry::RealPoint2D& /*aHitPoint*/ )
{
// TODO
return rendering::TextHit();
}
rendering::Caret SAL_CALL TextLayout::getCaret( sal_Int32 /*nInsertionIndex*/,
sal_Bool /*bExcludeLigatures*/ )
{
// TODO
return rendering::Caret();
}
sal_Int32 SAL_CALL TextLayout::getNextInsertionIndex( sal_Int32 /*nStartIndex*/,
sal_Int32 /*nCaretAdvancement*/,
sal_Bool /*bExcludeLigatures*/ )
{
// TODO
return 0;
}
uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryVisualHighlighting( sal_Int32 /*nStartIndex*/,
sal_Int32 /*nEndIndex*/ )
{
// TODO
return uno::Reference< rendering::XPolyPolygon2D >();
}
uno::Reference< rendering::XPolyPolygon2D > SAL_CALL TextLayout::queryLogicalHighlighting( sal_Int32 /*nStartIndex*/,
sal_Int32 /*nEndIndex*/ )
{
// TODO
return uno::Reference< rendering::XPolyPolygon2D >();
}
double SAL_CALL TextLayout::getBaselineOffset( )
{
// TODO
return 0.0;
}
sal_Int8 SAL_CALL TextLayout::getMainTextDirection( )
{
return mnTextDirection;
}
uno::Reference< rendering::XCanvasFont > SAL_CALL TextLayout::getFont( )
{
std::unique_lock aGuard( m_aMutex );
return mpFont;
}
rendering::StringContext SAL_CALL TextLayout::getText( )
{
return maText;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */