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Diffstat (limited to 'svx/inc/svx/viewpt3d.hxx')
| -rw-r--r-- | svx/inc/svx/viewpt3d.hxx | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/svx/inc/svx/viewpt3d.hxx b/svx/inc/svx/viewpt3d.hxx new file mode 100644 index 000000000000..a26f559b23b2 --- /dev/null +++ b/svx/inc/svx/viewpt3d.hxx @@ -0,0 +1,132 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#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 + 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); + void SetNearClipDist(double fNewNCD); + void SetFarClipDist(double fNewFCD); + + 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 = FALSE; } + ProjectionType GetProjection() const { return(eProjection); } + + void SetAspectMapping(AspectMapType eAsp) + { eAspectMapping = eAsp; bTfValid = FALSE; } + AspectMapType GetAspectMapping() { return eAspectMapping; } + + void SetViewWindow(double fX, double fY, double fW, double fH); + void GetViewWindow(double& rX, double& rY, double& rW, double& rH) const; + + void SetDeviceWindow(const Rectangle& rRect); + const Rectangle& GetDeviceWindow() const { return aDeviceRect; } + + // Beobachterstandpunkt in Weltkoordinaten zurueckgeben + const basegfx::B3DPoint& GetViewPoint(); + + // View-Transformationen + const basegfx::B3DHomMatrix& GetViewTransform(); + + // Projektion und Mapping + basegfx::B3DPoint DoProjection(const basegfx::B3DPoint& rVec) const; + basegfx::B3DPoint MapToDevice(const basegfx::B3DPoint& rVec) const; +}; + +#endif // _VIEWPT3D_HXX |