859e0acc39
Change-Id: I01e638c468f0941e042a839f73801a3ae3cb022a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/135310 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <com/sun/star/rendering/RepaintResult.hpp>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <canvas/canvastools.hxx>
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#include <cppcanvas/canvas.hxx>
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#include "cachedprimitivebase.hxx"
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#include <sal/log.hxx>
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#include <utility>
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using namespace ::com::sun::star;
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namespace cppcanvas::internal
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{
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CachedPrimitiveBase::CachedPrimitiveBase( CanvasSharedPtr xCanvas,
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bool bOnlyRedrawWithSameTransform ) :
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mpCanvas(std::move( xCanvas )),
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mbOnlyRedrawWithSameTransform( bOnlyRedrawWithSameTransform )
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{
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// TODO(F2): also store last view transform, and refuse to
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// redraw if changed.
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}
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bool CachedPrimitiveBase::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
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{
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SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::CachedPrimitiveBase::render()" );
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SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::CachedPrimitiveBase: 0x" << std::hex << this );
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const rendering::ViewState& rViewState( mpCanvas->getViewState() );
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::basegfx::B2DHomMatrix aTotalTransform;
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::canvas::tools::getViewStateTransform( aTotalTransform,
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rViewState );
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aTotalTransform *= rTransformation;
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// can we use the cached primitive? For that, it must be
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// present in the first place, and, if
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// mbOnlyRedrawWithSameTransform is true, the overall
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// transformation must be the same.
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if( mxCachedPrimitive.is() &&
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(!mbOnlyRedrawWithSameTransform ||
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maLastTransformation == aTotalTransform) )
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{
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if( mxCachedPrimitive->redraw( rViewState ) ==
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rendering::RepaintResult::REDRAWN )
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{
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// cached repaint succeeded, done.
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return true;
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}
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}
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maLastTransformation = aTotalTransform;
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// delegate rendering to derived classes
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return renderPrimitive( mxCachedPrimitive,
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rTransformation );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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