/* -*- 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 <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/utils/canvastools.hxx>
#include <osl/diagnose.h>
#include <com/sun/star/rendering/XCanvas.hpp>
#include <canvas/canvastools.hxx>
#include <utility>
#include "implcanvas.hxx"
using namespace ::com::sun::star;
namespace cppcanvas::internal
{
ImplCanvas::ImplCanvas( uno::Reference< rendering::XCanvas > xCanvas ) :
mxCanvas(std::move( xCanvas ))
{
OSL_ENSURE( mxCanvas.is(), "Canvas::Canvas() invalid XCanvas" );
::canvas::tools::initViewState( maViewState );
}
ImplCanvas::~ImplCanvas()
{
}
void ImplCanvas::setTransformation( const ::basegfx::B2DHomMatrix& rMatrix )
{
::canvas::tools::setViewStateTransform( maViewState, rMatrix );
}
::basegfx::B2DHomMatrix ImplCanvas::getTransformation() const
{
return ::canvas::tools::getViewStateTransform( maViewState );
}
void ImplCanvas::setClip( const ::basegfx::B2DPolyPolygon& rClipPoly )
{
// TODO(T3): not thread-safe. B2DPolyPolygon employs copy-on-write
maClipPolyPolygon = rClipPoly;
maViewState.Clip.clear();
}
void ImplCanvas::setClip()
{
maClipPolyPolygon.reset();
maViewState.Clip.clear();
}
::basegfx::B2DPolyPolygon const * ImplCanvas::getClip() const
{
return !maClipPolyPolygon ? nullptr : &(*maClipPolyPolygon);
}
CanvasSharedPtr ImplCanvas::clone() const
{
return std::make_shared<ImplCanvas>( *this );
}
void ImplCanvas::clear() const
{
OSL_ENSURE( mxCanvas.is(), "ImplCanvas::clear(): Invalid XCanvas" );
mxCanvas->clear();
}
uno::Reference< rendering::XCanvas > ImplCanvas::getUNOCanvas() const
{
OSL_ENSURE( mxCanvas.is(), "ImplCanvas::getUNOCanvas(): Invalid XCanvas" );
return mxCanvas;
}
rendering::ViewState ImplCanvas::getViewState() const
{
if ( maClipPolyPolygon && !maViewState.Clip.is() )
{
if ( !mxCanvas.is() )
return maViewState;
maViewState.Clip = ::basegfx::unotools::xPolyPolygonFromB2DPolyPolygon(
mxCanvas->getDevice(),
*maClipPolyPolygon );
}
return maViewState;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=94 H=100 G=96
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-28)
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