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Diffstat (limited to 'drawinglayer/source/primitive2d/baseprimitive2d.cxx')
-rw-r--r-- | drawinglayer/source/primitive2d/baseprimitive2d.cxx | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/baseprimitive2d.cxx b/drawinglayer/source/primitive2d/baseprimitive2d.cxx new file mode 100644 index 000000000..ef7055ebd --- /dev/null +++ b/drawinglayer/source/primitive2d/baseprimitive2d.cxx @@ -0,0 +1,141 @@ +/* -*- 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 <sal/config.h> + +#include <iterator> +#include <utility> + +#include <drawinglayer/primitive2d/baseprimitive2d.hxx> +#include <drawinglayer/primitive2d/Tools.hxx> +#include <drawinglayer/geometry/viewinformation2d.hxx> +#include <basegfx/utils/canvastools.hxx> +#include <comphelper/sequence.hxx> + +using namespace css; + +namespace drawinglayer::primitive2d +{ +BasePrimitive2D::BasePrimitive2D() + : BasePrimitive2DImplBase(m_aMutex) +{ +} + +BasePrimitive2D::~BasePrimitive2D() {} + +bool BasePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const +{ + return (getPrimitive2DID() == rPrimitive.getPrimitive2DID()); +} + +namespace +{ +// Visitor class to get the B2D range from a tree of Primitive2DReference's +// +class B2DRangeVisitor : public Primitive2DDecompositionVisitor +{ +public: + const geometry::ViewInformation2D& mrViewInformation; + basegfx::B2DRange maRetval; + B2DRangeVisitor(const geometry::ViewInformation2D& rViewInformation) + : mrViewInformation(rViewInformation) + { + } + virtual void append(const Primitive2DReference& r) override + { + maRetval.expand(getB2DRangeFromPrimitive2DReference(r, mrViewInformation)); + } + virtual void append(const Primitive2DContainer& r) override + { + maRetval.expand(r.getB2DRange(mrViewInformation)); + } + virtual void append(Primitive2DContainer&& r) override + { + maRetval.expand(r.getB2DRange(mrViewInformation)); + } +}; +} + +basegfx::B2DRange +BasePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const +{ + B2DRangeVisitor aVisitor(rViewInformation); + get2DDecomposition(aVisitor, rViewInformation); + return aVisitor.maRetval; +} + +void BasePrimitive2D::get2DDecomposition( + Primitive2DDecompositionVisitor& /*rVisitor*/, + const geometry::ViewInformation2D& /*rViewInformation*/) const +{ +} + +css::uno::Sequence<::css::uno::Reference<::css::graphic::XPrimitive2D>> SAL_CALL +BasePrimitive2D::getDecomposition(const uno::Sequence<beans::PropertyValue>& rViewParameters) +{ + const geometry::ViewInformation2D aViewInformation(rViewParameters); + Primitive2DContainer aContainer; + get2DDecomposition(aContainer, aViewInformation); + return comphelper::containerToSequence(aContainer); +} + +css::geometry::RealRectangle2D SAL_CALL +BasePrimitive2D::getRange(const uno::Sequence<beans::PropertyValue>& rViewParameters) +{ + const geometry::ViewInformation2D aViewInformation(rViewParameters); + return basegfx::unotools::rectangle2DFromB2DRectangle(getB2DRange(aViewInformation)); +} + +sal_Int64 SAL_CALL BasePrimitive2D::estimateUsage() +{ + return 0; // for now ignore the objects themselves +} + +void BufferedDecompositionPrimitive2D::create2DDecomposition( + Primitive2DContainer& /*rContainer*/, + const geometry::ViewInformation2D& /*rViewInformation*/) const +{ +} + +BufferedDecompositionPrimitive2D::BufferedDecompositionPrimitive2D() + : BasePrimitive2D() + , maBuffered2DDecomposition() +{ +} + +void BufferedDecompositionPrimitive2D::get2DDecomposition( + Primitive2DDecompositionVisitor& rVisitor, + const geometry::ViewInformation2D& rViewInformation) const +{ + ::osl::MutexGuard aGuard(m_aMutex); + + if (getBuffered2DDecomposition().empty()) + { + Primitive2DContainer aNewSequence; + create2DDecomposition(aNewSequence, rViewInformation); + const_cast<BufferedDecompositionPrimitive2D*>(this)->setBuffered2DDecomposition( + aNewSequence); + } + + rVisitor.append(getBuffered2DDecomposition()); +} + +} // end of namespace drawinglayer::primitive2d + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |