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Diffstat (limited to 'include/svx/viewpt3d.hxx')
| -rw-r--r-- | include/svx/viewpt3d.hxx | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/include/svx/viewpt3d.hxx b/include/svx/viewpt3d.hxx new file mode 100644 index 000000000000..6b00ae2fa186 --- /dev/null +++ b/include/svx/viewpt3d.hxx @@ -0,0 +1,116 @@ +/* -*- 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 _VIEWPT3D_HXX +#define _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 fuer Projektion und Seitenverhaeltnis +|* +\************************************************************************/ + +enum ProjectionType { PR_PARALLEL, PR_PERSPECTIVE }; +enum AspectMapType { AS_NO_MAPPING, AS_HOLD_SIZE, AS_HOLD_X, AS_HOLD_Y }; + + +/************************************************************************* +|* +|* 3D-Viewport nach PHIGS +|* +\************************************************************************/ + +class SVX_DLLPUBLIC Viewport3D +{ + protected: + basegfx::B3DHomMatrix aViewTf; // die eigentliche Transformationsmatrix + 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-Koordinaten) + // bisher wird nur die Z-Koordinate beachtet + double fVPD; // View Plane Distance + double fNearClipDist; // Abstand der vorderen Clippingebene + double fFarClipDist; // Abstand der hinteren Clippingebene + + ProjectionType eProjection; // Art der Projektion + AspectMapType eAspectMapping; // Flag fuer Seitenverhaeltnis-Anpassung + // bei Ausgabe auf das Geraet + Rectangle aDeviceRect; // Position und Groesse des Ausgabebereichs + + struct + { + double X, Y, W, H; // Position und Groesse des View-Windows + } aViewWin; // in View-Koordinaten + + basegfx::B3DPoint aViewPoint; // Beobachterstandpunkt in Weltkoordinaten; + // wird mit der Transformation berechnet + sal_Bool bTfValid; // Flag, ob Transformation gueltig ist + + double fWRatio; // Device/View-Seitenverhaeltnisse + double fHRatio; + + void MakeTransform(void); + + 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); + void SetVPD(double fNewVPD); + + const basegfx::B3DPoint& GetVRP() const { return aVRP; } + const basegfx::B3DVector& GetVPN() const { return aVPN; } + const basegfx::B3DVector& GetVUV() const { return aVUV; } + const basegfx::B3DPoint& GetPRP() const { return aPRP; } + double GetVPD() const { return fVPD; } + double GetNearClipDist() const { return fNearClipDist; } + double GetFarClipDist() const { return fFarClipDist; } + + void SetProjection(ProjectionType ePrj) + { eProjection = ePrj; bTfValid = sal_False; } + ProjectionType GetProjection() const { return(eProjection); } + + void SetAspectMapping(AspectMapType eAsp) + { eAspectMapping = eAsp; bTfValid = sal_False; } + AspectMapType GetAspectMapping() { return eAspectMapping; } + + void SetViewWindow(double fX, double fY, double fW, double fH); + + void SetDeviceWindow(const Rectangle& rRect); + const Rectangle& GetDeviceWindow() const { return aDeviceRect; } + + // Beobachterstandpunkt in Weltkoordinaten zurueckgeben + const basegfx::B3DPoint& GetViewPoint(); +}; + +#endif // _VIEWPT3D_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |