b9337e22ce
see https://gerrit.libreoffice.org/#/c/3367/ and Change-Id: I00c96fa77d04b33a6f8c8cd3490dfcd9bdc9e84a for details Change-Id: I199a75bc4042af20817265d5ef85b1134a96ff5a
116 lines
4.6 KiB
C++
116 lines
4.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef _VIEWPT3D_HXX
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#define _VIEWPT3D_HXX
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#include "svx/svxdllapi.h"
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#include <basegfx/matrix/b3dhommatrix.hxx>
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#include <basegfx/point/b3dpoint.hxx>
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#include <basegfx/vector/b3dvector.hxx>
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#include <tools/gen.hxx>
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// predefines
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namespace basegfx { class B3DRange; } // end of namespace basegfx
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/*************************************************************************
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|*
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|* enums fuer Projektion und Seitenverhaeltnis
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|*
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\************************************************************************/
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enum ProjectionType { PR_PARALLEL, PR_PERSPECTIVE };
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enum AspectMapType { AS_NO_MAPPING, AS_HOLD_SIZE, AS_HOLD_X, AS_HOLD_Y };
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/*************************************************************************
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|*
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|* 3D-Viewport nach PHIGS
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|*
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\************************************************************************/
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class SVX_DLLPUBLIC Viewport3D
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{
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protected:
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basegfx::B3DHomMatrix aViewTf; // die eigentliche Transformationsmatrix
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basegfx::B3DPoint aVRP; // View Reference Point
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basegfx::B3DVector aVPN; // View Plane Normal
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basegfx::B3DVector aVUV; // View Up Vector
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basegfx::B3DPoint aPRP; // Projection Reference Point(View-Koordinaten)
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// bisher wird nur die Z-Koordinate beachtet
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double fVPD; // View Plane Distance
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double fNearClipDist; // Abstand der vorderen Clippingebene
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double fFarClipDist; // Abstand der hinteren Clippingebene
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ProjectionType eProjection; // Art der Projektion
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AspectMapType eAspectMapping; // Flag fuer Seitenverhaeltnis-Anpassung
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// bei Ausgabe auf das Geraet
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Rectangle aDeviceRect; // Position und Groesse des Ausgabebereichs
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struct
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{
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double X, Y, W, H; // Position und Groesse des View-Windows
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} aViewWin; // in View-Koordinaten
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basegfx::B3DPoint aViewPoint; // Beobachterstandpunkt in Weltkoordinaten;
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// wird mit der Transformation berechnet
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sal_Bool bTfValid; // Flag, ob Transformation gueltig ist
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double fWRatio; // Device/View-Seitenverhaeltnisse
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double fHRatio;
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void MakeTransform(void);
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public:
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Viewport3D();
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void SetVRP(const basegfx::B3DPoint& rNewVRP);
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void SetVPN(const basegfx::B3DVector& rNewVPN);
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void SetVUV(const basegfx::B3DVector& rNewVUV);
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void SetPRP(const basegfx::B3DPoint& rNewPRP);
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void SetVPD(double fNewVPD);
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const basegfx::B3DPoint& GetVRP() const { return aVRP; }
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const basegfx::B3DVector& GetVPN() const { return aVPN; }
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const basegfx::B3DVector& GetVUV() const { return aVUV; }
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const basegfx::B3DPoint& GetPRP() const { return aPRP; }
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double GetVPD() const { return fVPD; }
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double GetNearClipDist() const { return fNearClipDist; }
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double GetFarClipDist() const { return fFarClipDist; }
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void SetProjection(ProjectionType ePrj)
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{ eProjection = ePrj; bTfValid = sal_False; }
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ProjectionType GetProjection() const { return(eProjection); }
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void SetAspectMapping(AspectMapType eAsp)
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{ eAspectMapping = eAsp; bTfValid = sal_False; }
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AspectMapType GetAspectMapping() { return eAspectMapping; }
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void SetViewWindow(double fX, double fY, double fW, double fH);
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void SetDeviceWindow(const Rectangle& rRect);
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const Rectangle& GetDeviceWindow() const { return aDeviceRect; }
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// Beobachterstandpunkt in Weltkoordinaten zurueckgeben
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const basegfx::B3DPoint& GetViewPoint();
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};
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#endif // _VIEWPT3D_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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