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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /include/svx/viewpt3d.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+/* -*- 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_SVX_VIEWPT3D_HXX
+#define INCLUDED_SVX_VIEWPT3D_HXX
+
+#include <svx/svxdllapi.h>
+#include <basegfx/matrix/b3dhommatrix.hxx>
+#include <basegfx/point/b3dpoint.hxx>
+#include <basegfx/vector/b3dvector.hxx>
+#include <tools/gen.hxx>
+
+// predefines
+namespace basegfx { class B3DRange; } // end of namespace basegfx
+
+/*************************************************************************
+|*
+|* enums for projection
+|*
+\************************************************************************/
+
+enum class ProjectionType { Parallel, Perspective };
+
+
+/*************************************************************************
+|*
+|* 3D viewport according to PHIGS
+|*
+\************************************************************************/
+
+class SVXCORE_DLLPUBLIC Viewport3D
+{
+ protected:
+ basegfx::B3DHomMatrix aViewTf; // the real transformations matrix
+ basegfx::B3DPoint aVRP; // View Reference Point
+ basegfx::B3DVector aVPN; // View Plane Normal
+ basegfx::B3DVector aVUV; // View Up Vector
+ basegfx::B3DPoint aPRP; // Projection Reference Point(View-coordinates)
+ // up to now only the z-coordinate is considered
+
+ ProjectionType eProjection; // kind of the projection
+ tools::Rectangle aDeviceRect; // position and size of the output area
+
+ struct
+ {
+ double X, Y, W, H; // position and size of the view window
+ } aViewWin; // in view coordinates
+
+ basegfx::B3DPoint aViewPoint; //observers position in world coordinates;
+ // is calculated by the transformation
+ bool bTfValid; // flag, if transformation is valid
+
+ public:
+ Viewport3D();
+
+ void SetVRP(const basegfx::B3DPoint& rNewVRP);
+ void SetVPN(const basegfx::B3DVector& rNewVPN);
+ void SetVUV(const basegfx::B3DVector& rNewVUV);
+ void SetPRP(const basegfx::B3DPoint& rNewPRP);
+
+ const basegfx::B3DPoint& GetVRP() const { return aVRP; }
+ const basegfx::B3DVector& GetVUV() const { return aVUV; }
+
+ void SetProjection(ProjectionType ePrj)
+ { eProjection = ePrj; bTfValid = false; }
+ ProjectionType GetProjection() const { return eProjection; }
+
+ void SetViewWindow(double fX, double fY, double fW, double fH);
+
+ void SetDeviceWindow(const tools::Rectangle& rRect);
+ const tools::Rectangle& GetDeviceWindow() const { return aDeviceRect; }
+
+ // returns observers position in world coordinates
+ const basegfx::B3DPoint& GetViewPoint();
+};
+
+#endif // INCLUDED_SVX_VIEWPT3D_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */