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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /cppcanvas/source/wrapper/implcanvas.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | cppcanvas/source/wrapper/implcanvas.cxx | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/cppcanvas/source/wrapper/implcanvas.cxx b/cppcanvas/source/wrapper/implcanvas.cxx new file mode 100644 index 000000000..3a186404c --- /dev/null +++ b/cppcanvas/source/wrapper/implcanvas.cxx @@ -0,0 +1,116 @@ +/* -*- 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 <com/sun/star/rendering/XCanvas.hpp> + +#include <canvas/canvastools.hxx> + +#include "implcanvas.hxx" + + +using namespace ::com::sun::star; + +namespace cppcanvas::internal +{ + + ImplCanvas::ImplCanvas( const uno::Reference< rendering::XCanvas >& xCanvas ) : + maViewState(), + maClipPolyPolygon(), + mxCanvas( 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 + { + ::basegfx::B2DHomMatrix aMatrix; + return ::canvas::tools::getViewStateTransform( aMatrix, + 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: */ |