Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

2 files changed, 312 insertions, 0 deletions

diff --git a/include/drawinglayer/geometry/viewinformation2d.hxx b/include/drawinglayer/geometry/viewinformation2d.hxx
new file mode 100644
index 000000000..2957b7daf
--- /dev/null
+++ b/include/drawinglayer/geometry/viewinformation2d.hxx
@@ -0,0 +1,150 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <drawinglayer/drawinglayerdllapi.h>
+
+#include <sal/config.h>
+#include <o3tl/cow_wrapper.hxx>
+
+// predefines
+
+namespace drawinglayer::geometry
+{
+class ImpViewInformation2D;
+}
+
+namespace basegfx
+{
+class B2DHomMatrix;
+class B2DRange;
+}
+
+namespace com::sun::star::beans
+{
+struct PropertyValue;
+}
+
+namespace com::sun::star::drawing
+{
+class XDrawPage;
+}
+
+namespace com::sun::star::uno
+{
+template <class interface_type> class Reference;
+template <typename> class Sequence;
+}
+
+namespace drawinglayer::geometry
+{
+/** ViewInformation2D class
+
+    This class holds all view-relevant information for a 2d geometry.
+    The most used data is for convenience offered directly using basegfx tooling classes.
+*/
+class DRAWINGLAYERCORE_DLLPUBLIC ViewInformation2D
+{
+public:
+    typedef o3tl::cow_wrapper<ImpViewInformation2D, o3tl::ThreadSafeRefCountingPolicy> ImplType;
+
+private:
+    /// pointer to private implementation class
+    ImplType mpViewInformation2D;
+
+public:
+    /** Constructor: Create a ViewInformation2D
+
+        @param rObjectTransformation
+        The Transformation from Object to World coordinates (normally logic coordinates).
+
+        @param rViewTransformation
+        The Transformation from World to View coordinates (normally logic coordinates
+        to discrete units, e.g. pixels).
+
+        @param rViewport
+        The visible part of the view in World coordinates. If empty (getViewport().isEmpty())
+        everything is visible. The data is in World coordinates.
+
+        @param rxDrawPage
+        The currently displayed page. This information is needed e.g. due to existing PageNumber
+        fields which need to be interpreted.
+
+        @param fViewTime
+        The time the view is defined for. Default is 0.0. This parameter is used e.g. for
+        animated objects
+
+        @param rReducedDisplayQuality
+    */
+    ViewInformation2D(const basegfx::B2DHomMatrix& rObjectTransformation,
+                      const basegfx::B2DHomMatrix& rViewTransformation,
+                      const basegfx::B2DRange& rViewport,
+                      const css::uno::Reference<css::drawing::XDrawPage>& rxDrawPage,
+                      double fViewTime, bool bReducedDisplayQuality = false);
+
+    /// default (empty) constructor
+    ViewInformation2D();
+
+    /// copy constructor
+    ViewInformation2D(const ViewInformation2D&);
+
+    ViewInformation2D(ViewInformation2D&&);
+
+    /// destructor
+    ~ViewInformation2D();
+
+    /// assignment operator
+    ViewInformation2D& operator=(const ViewInformation2D&);
+    ViewInformation2D& operator=(ViewInformation2D&&);
+
+    /// compare operators
+    bool operator==(const ViewInformation2D& rCandidate) const;
+    bool operator!=(const ViewInformation2D& rCandidate) const { return !operator==(rCandidate); }
+
+    /// data access
+    const basegfx::B2DHomMatrix& getObjectTransformation() const;
+    const basegfx::B2DHomMatrix& getViewTransformation() const;
+    /// Empty viewport means everything is visible.
+    const basegfx::B2DRange& getViewport() const;
+    double getViewTime() const;
+    const css::uno::Reference<css::drawing::XDrawPage>& getVisualizedPage() const;
+
+    /// On-demand prepared Object to View transformation and its inverse for convenience
+    const basegfx::B2DHomMatrix& getObjectToViewTransformation() const;
+    const basegfx::B2DHomMatrix& getInverseObjectToViewTransformation() const;
+
+    /// On-demand prepared Viewport in discrete units for convenience
+    /// Empty viewport means everything is visible.
+    const basegfx::B2DRange& getDiscreteViewport() const;
+
+    /** support reduced DisplayQuality, PropertyName is 'ReducedDisplayQuality'. This
+        is used e.g. to allow to lower display quality for OverlayPrimitives and
+        may lead to simpler decompositions in the local create2DDecomposition
+        implementations of the primitives
+     */
+    bool getReducedDisplayQuality() const;
+};
+
+DRAWINGLAYERCORE_DLLPUBLIC ViewInformation2D
+createViewInformation2D(const css::uno::Sequence<css::beans::PropertyValue>& rViewParameters);
+
+} // end of namespace drawinglayer::geometry
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/drawinglayer/geometry/viewinformation3d.hxx b/include/drawinglayer/geometry/viewinformation3d.hxx
new file mode 100644
index 000000000..ca368a6c3
--- /dev/null
+++ b/include/drawinglayer/geometry/viewinformation3d.hxx
@@ -0,0 +1,162 @@
+/* -*- 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_GEOMETRY_VIEWINFORMATION3D_HXX
+#define INCLUDED_DRAWINGLAYER_GEOMETRY_VIEWINFORMATION3D_HXX
+
+#include <drawinglayer/drawinglayerdllapi.h>
+
+#include <sal/config.h>
+#include <o3tl/cow_wrapper.hxx>
+
+
+// predefines
+
+namespace drawinglayer::geometry {
+    class ImpViewInformation3D;
+}
+
+namespace basegfx {
+    class B3DHomMatrix;
+}
+
+namespace com::sun::star::beans { struct PropertyValue; }
+namespace com::sun::star::uno { template <typename > class Sequence; }
+
+namespace drawinglayer::geometry
+    {
+        /** ViewInformation3D class
+
+            This class holds all view-relevant information for a 3d geometry. It works
+            together with UNO API definitions and supports holding a sequence of PropertyValues.
+            The most used data is for convenience offered directly using basegfx tooling classes.
+            It is an implementation to support the sequence of PropertyValues used in a
+            css::graphic::XPrimitive3D for C++ implementations working with those
+        */
+        class DRAWINGLAYER_DLLPUBLIC ViewInformation3D
+        {
+        public:
+            typedef o3tl::cow_wrapper< ImpViewInformation3D, o3tl::ThreadSafeRefCountingPolicy > ImplType;
+
+        private:
+            /// pointer to private implementation class
+            ImplType mpViewInformation3D;
+
+        public:
+            /** Constructor: Create a ViewInformation3D
+
+                @param rObjectTransformation
+                The Transformation from Object to World coordinates (normally logic coordinates).
+
+                @param rOrientation
+                A part of the 3D ViewTransformation, the World to Camera coordinates transformation
+                which holds the camera coordinate system.
+
+                @param rProjection
+                A part of the 3D ViewTransformation, the Camera to Device transformation which
+                transforms coordinates to a [0.0 .. 1.0] device range in X,Y and Z. Z may be used
+                as source for Z-Buffers. This transformation may be e.g. a parallel projection,
+                but also a perspective one and thus may use the last line of the matrix.
+
+                @param rDeviceToView
+                A part of the 3D ViewTransformation, the Device to View transformation which normally
+                translates and scales from [0.0 .. 1.0] range in X,Y and Z to discrete position and
+                size.
+
+                rOrientation, rProjection and rDeviceToView define the 3D transformation pipeline
+                and are normally used multiplied together to have a direct transformation from
+                World to View coordinates
+
+                @param fViewTime
+                The time the view is defined for. Default is 0.0. This parameter is used e.g. for
+                animated objects
+
+                @param rExtendedParameters
+                A sequence of property values which allows holding various other parameters besides
+                the obvious and needed ones above. For this constructor none of the other parameters
+                should be added as data. The constructor will parse the given parameters and if
+                data for the other parameters is given, the value in rExtendedParameters will
+                be preferred and overwrite the given parameter
+            */
+            ViewInformation3D(
+                const basegfx::B3DHomMatrix& rObjectTransformation,
+                const basegfx::B3DHomMatrix& rOrientation,
+                const basegfx::B3DHomMatrix& rProjection,
+                const basegfx::B3DHomMatrix& rDeviceToView,
+                double fViewTime,
+                const css::uno::Sequence< css::beans::PropertyValue >& rExtendedParameters);
+
+            /** Constructor: Create a ViewInformation3D
+
+                @param rViewParameters
+                A sequence of property values which allows holding any combination of local and various
+                other parameters. This constructor is fed completely with a sequence of PropertyValues
+                which will be parsed to be able to offer the most used ones in a convenient way.
+            */
+            explicit ViewInformation3D(const css::uno::Sequence< css::beans::PropertyValue >& rViewParameters);
+
+            /// default (empty) constructor
+            ViewInformation3D();
+
+            /// copy constructor
+            ViewInformation3D(const ViewInformation3D&);
+
+            ViewInformation3D(ViewInformation3D&&);
+
+            /// destructor
+            ~ViewInformation3D();
+
+            // checks if the incarnation is default constructed
+            bool isDefault() const;
+
+            /// assignment operator
+            ViewInformation3D& operator=(const ViewInformation3D&);
+            ViewInformation3D& operator=(ViewInformation3D&&);
+
+            /// compare operators
+            bool operator==(const ViewInformation3D& rCandidate) const;
+            bool operator!=(const ViewInformation3D& rCandidate) const { return !operator==(rCandidate); }
+
+            /// data access
+            const basegfx::B3DHomMatrix& getObjectTransformation() const;
+            const basegfx::B3DHomMatrix& getOrientation() const;
+            const basegfx::B3DHomMatrix& getProjection() const;
+            const basegfx::B3DHomMatrix& getDeviceToView() const;
+            double getViewTime() const;
+
+            /// for convenience, the linear combination of the above four transformations is offered
+            const basegfx::B3DHomMatrix& getObjectToView() const;
+
+            /** Get the uno::Sequence< beans::PropertyValue > which contains only ViewInformation
+                not offered directly
+
+                Use this call if You only need ViewInformation which is not offered conveniently,
+                but only exists as PropertyValue. This is e.g. used to create partially updated
+                incarnations of ViewInformation3D without losing the only with PropertyValues
+                defined data. It does not contain a complete description.
+            */
+            const css::uno::Sequence< css::beans::PropertyValue >& getExtendedInformationSequence() const;
+        };
+
+} // end of namespace drawinglayer::geometry
+
+
+#endif //INCLUDED_DRAWINGLAYER_GEOMETRY_VIEWINFORMATION3D_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */