Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 217 insertions, 0 deletions

diff --git a/include/drawinglayer/primitive3d/baseprimitive3d.hxx b/include/drawinglayer/primitive3d/baseprimitive3d.hxx
new file mode 100644
index 000000000..9e8913799
--- /dev/null
+++ b/include/drawinglayer/primitive3d/baseprimitive3d.hxx
@@ -0,0 +1,217 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE3D_BASEPRIMITIVE3D_HXX
+#define INCLUDED_DRAWINGLAYER_PRIMITIVE3D_BASEPRIMITIVE3D_HXX
+
+#include <drawinglayer/drawinglayerdllapi.h>
+
+#include <cppuhelper/compbase.hxx>
+#include <cppuhelper/basemutex.hxx>
+#include <com/sun/star/graphic/XPrimitive3D.hpp>
+#include <basegfx/range/b3drange.hxx>
+#include <deque>
+
+
+/** defines for DeclPrimitive3DIDBlock and ImplPrimitive3DIDBlock
+    Added to be able to simply change identification stuff later, e.g. add
+    an identification string and/or ID to the interface and to the implementation
+    ATM used to delclare implement getPrimitive3DID()
+ */
+
+#define DeclPrimitive3DIDBlock() \
+    virtual sal_uInt32 getPrimitive3DID() const override;
+
+#define ImplPrimitive3DIDBlock(TheClass, TheID) \
+    sal_uInt32 TheClass::getPrimitive3DID() const { return TheID; }
+
+
+// predefines
+
+namespace drawinglayer::geometry {
+    class ViewInformation3D;
+}
+
+namespace drawinglayer::primitive3d {
+    /// typedefs for basePrimitive3DImplBase, Primitive3DContainer and Primitive3DReference
+    typedef cppu::WeakComponentImplHelper< css::graphic::XPrimitive3D > BasePrimitive3DImplBase;
+    typedef css::uno::Reference< css::graphic::XPrimitive3D > Primitive3DReference;
+
+    class SAL_WARN_UNUSED DRAWINGLAYER_DLLPUBLIC Primitive3DContainer : public std::deque< Primitive3DReference >
+    {
+    public:
+        explicit Primitive3DContainer() {}
+        explicit Primitive3DContainer( size_type count ) : deque(count) {}
+        Primitive3DContainer( const Primitive3DContainer& other ) : deque(other) {}
+        Primitive3DContainer( Primitive3DContainer&& other ) noexcept : deque(std::move(other)) {}
+        Primitive3DContainer( std::initializer_list<Primitive3DReference> init ) : deque(init) {}
+        template <class Iter>
+        Primitive3DContainer(Iter first, Iter last) : deque(first, last) {}
+
+        void append(const Primitive3DContainer& rSource);
+        Primitive3DContainer& operator=(const Primitive3DContainer& r) { deque::operator=(r); return *this; }
+        Primitive3DContainer& operator=(Primitive3DContainer&& r) noexcept { deque::operator=(std::move(r)); return *this; }
+        bool operator==(const Primitive3DContainer& rB) const;
+        bool operator!=(const Primitive3DContainer& rB) const { return !operator==(rB); }
+        basegfx::B3DRange getB3DRange(const geometry::ViewInformation3D& aViewInformation) const;
+    };
+}
+
+
+// basePrimitive3D class
+
+namespace drawinglayer
+{
+    namespace primitive3d
+    {
+        /** BasePrimitive3D class
+
+            Baseclass for all C++ implementations of css::graphic::XPrimitive2D
+
+            The description/functionality is identical with the 2D case in baseprimitive2d.hxx,
+            please see there for detailed information.
+
+            Current Basic 3D Primitives are:
+
+            - PolygonHairlinePrimitive3D (for 3D hairlines)
+            - PolyPolygonMaterialPrimitive3D (for 3D filled plane polygons)
+
+            That's all for 3D!
+         */
+        class DRAWINGLAYER_DLLPUBLIC BasePrimitive3D
+        :   protected cppu::BaseMutex,
+            public BasePrimitive3DImplBase
+        {
+            BasePrimitive3D(const BasePrimitive3D&) = delete;
+            BasePrimitive3D& operator=( const BasePrimitive3D& ) = delete;
+        public:
+            // constructor/destructor
+            BasePrimitive3D();
+            virtual ~BasePrimitive3D() override;
+
+            /** the ==operator is mainly needed to allow testing newly-created high level primitives against their last
+                incarnation which buffers/holds the decompositions. The default implementation
+                uses getPrimitive3DID()-calls to test if it's the same ID at last.
+                Overridden implementation are then based on this implementation.
+             */
+            virtual bool operator==( const BasePrimitive3D& rPrimitive ) const;
+            bool operator!=( const BasePrimitive3D& rPrimitive ) const { return !operator==(rPrimitive); }
+
+            /** This method is for places where using the C++ implementation directly is possible. The subprocessing
+                and range merging is more efficient when working directly on basegfx::B3DRange. The default implementation
+                will use getDecomposition results to create the range
+             */
+            virtual basegfx::B3DRange getB3DRange(const geometry::ViewInformation3D& rViewInformation) const;
+
+            /** provide unique ID for fast identifying of known primitive implementations in renderers. These use
+                the defines from primitivetypes3d.hxx to define unique IDs.
+             */
+            virtual sal_uInt32 getPrimitive3DID() const = 0;
+
+            /// The default implementation returns an empty sequence
+            virtual Primitive3DContainer get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const;
+
+
+            // Methods from XPrimitive3D
+
+
+            /** The getDecomposition implementation for UNO API will use getDecomposition from this implementation. It
+                will get the ViewInformation from the ViewParameters for that purpose
+             */
+            virtual css::uno::Sequence< ::css::uno::Reference< ::css::graphic::XPrimitive3D > > SAL_CALL getDecomposition( const css::uno::Sequence< css::beans::PropertyValue >& rViewParameters ) override;
+
+            /** the getRange default implementation will use getDecomposition to create the range information from merging
+                getRange results from the single local decomposition primitives.
+             */
+            virtual css::geometry::RealRectangle3D SAL_CALL getRange( const css::uno::Sequence< css::beans::PropertyValue >& rViewParameters ) override;
+        };
+    } // end of namespace primitive3d
+} // end of namespace drawinglayer
+
+
+// BufferedDecompositionPrimitive3D class
+
+namespace drawinglayer
+{
+    namespace primitive3d
+    {
+        /** BufferedDecompositionPrimitive3D class
+
+            Baseclass for all C++ implementations of css::graphic::XPrimitive2D
+
+            The description/functionality is identical with the 2D case in baseprimitive2d.hxx,
+            please see there for detailed information
+         */
+        class DRAWINGLAYER_DLLPUBLIC BufferedDecompositionPrimitive3D
+        :   public BasePrimitive3D
+        {
+        private:
+            /// a sequence used for buffering the last create3DDecomposition() result
+            Primitive3DContainer                             maBuffered3DDecomposition;
+
+        protected:
+            /** access methods to maBuffered3DDecomposition. The usage of this methods may allow
+                later thread-safe stuff to be added if needed. Only to be used by getDecomposition()
+                implementations for buffering the last decomposition.
+             */
+            const Primitive3DContainer& getBuffered3DDecomposition() const { return maBuffered3DDecomposition; }
+            void setBuffered3DDecomposition(const Primitive3DContainer& rNew) { maBuffered3DDecomposition = rNew; }
+
+            /** method which is to be used to implement the local decomposition of a 2D primitive. The default
+                implementation will just return an empty decomposition
+             */
+            virtual Primitive3DContainer create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const;
+
+        public:
+            // constructor
+            BufferedDecompositionPrimitive3D();
+
+            /** The getDecomposition default implementation will on demand use create3DDecomposition() if
+                maBuffered3DDecomposition is empty. It will set maBuffered3DDecomposition to this obtained decomposition
+                to buffer it. If the decomposition is also ViewInformation-dependent, this method needs to be
+                overridden and the ViewInformation for the last decomposition needs to be remembered, too, and
+                be used in the next call to decide if the buffered decomposition may be reused or not.
+             */
+            virtual Primitive3DContainer get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const override;
+        };
+    } // end of namespace primitive3d
+} // end of namespace drawinglayer
+
+
+// tooling
+
+namespace drawinglayer
+{
+    namespace primitive3d
+    {
+        /// get B3DRange from a given Primitive3DReference
+        basegfx::B3DRange DRAWINGLAYER_DLLPUBLIC getB3DRangeFromPrimitive3DReference(const Primitive3DReference& rCandidate, const geometry::ViewInformation3D& aViewInformation);
+
+        /** compare two Primitive2DReferences for equality, including trying to get implementations (BasePrimitive2D)
+            and using compare operator
+         */
+        bool DRAWINGLAYER_DLLPUBLIC arePrimitive3DReferencesEqual(const Primitive3DReference& rA, const Primitive3DReference& rB);
+
+    } // end of namespace primitive3d
+} // end of namespace drawinglayer
+
+
+#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE3D_BASEPRIMITIVE3D_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */