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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /cppcanvas/source/mtfrenderer/cachedprimitivebase.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'cppcanvas/source/mtfrenderer/cachedprimitivebase.cxx')
-rw-r--r-- | cppcanvas/source/mtfrenderer/cachedprimitivebase.cxx | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/cppcanvas/source/mtfrenderer/cachedprimitivebase.cxx b/cppcanvas/source/mtfrenderer/cachedprimitivebase.cxx new file mode 100644 index 0000000000..e5664cabfc --- /dev/null +++ b/cppcanvas/source/mtfrenderer/cachedprimitivebase.cxx @@ -0,0 +1,80 @@ +/* -*- 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 <com/sun/star/rendering/RepaintResult.hpp> + +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <canvas/canvastools.hxx> +#include <cppcanvas/canvas.hxx> + +#include "cachedprimitivebase.hxx" +#include <sal/log.hxx> +#include <utility> + +using namespace ::com::sun::star; + +namespace cppcanvas::internal +{ + CachedPrimitiveBase::CachedPrimitiveBase( CanvasSharedPtr xCanvas, + bool bOnlyRedrawWithSameTransform ) : + mpCanvas(std::move( xCanvas )), + mbOnlyRedrawWithSameTransform( bOnlyRedrawWithSameTransform ) + { + // TODO(F2): also store last view transform, and refuse to + // redraw if changed. + } + + bool CachedPrimitiveBase::render( const ::basegfx::B2DHomMatrix& rTransformation ) const + { + SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::CachedPrimitiveBase::render()" ); + SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::CachedPrimitiveBase: 0x" << std::hex << this ); + + const rendering::ViewState& rViewState( mpCanvas->getViewState() ); + ::basegfx::B2DHomMatrix aTotalTransform; + + ::canvas::tools::getViewStateTransform( aTotalTransform, + rViewState ); + aTotalTransform *= rTransformation; + + // can we use the cached primitive? For that, it must be + // present in the first place, and, if + // mbOnlyRedrawWithSameTransform is true, the overall + // transformation must be the same. + if( mxCachedPrimitive.is() && + (!mbOnlyRedrawWithSameTransform || + maLastTransformation == aTotalTransform) ) + { + if( mxCachedPrimitive->redraw( rViewState ) == + rendering::RepaintResult::REDRAWN ) + { + // cached repaint succeeded, done. + return true; + } + } + + maLastTransformation = aTotalTransform; + + // delegate rendering to derived classes + return renderPrimitive( mxCachedPrimitive, + rTransformation ); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |