Source/System/Window/Base/OSGCameraDecorator.cpp

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
   3  *                                                                           *
   4  *                                                                           *
   5  *             Copyright (C) 2000-2002 by the OpenSG Forum                   *
   6  *                                                                           *
   7  *                            www.opensg.org                                 *
   8  *                                                                           *
   9  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
  10  *                                                                           *
  11 \*---------------------------------------------------------------------------*/
  12 /*---------------------------------------------------------------------------*\
  13  *                                License                                    *
  14  *                                                                           *
  15  * This library is free software; you can redistribute it and/or modify it   *
  16  * under the terms of the GNU Library General Public License as published    *
  17  * by the Free Software Foundation, version 2.                               *
  18  *                                                                           *
  19  * This library is distributed in the hope that it will be useful, but       *
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  22  * Library General Public License for more details.                          *
  23  *                                                                           *
  24  * You should have received a copy of the GNU Library General Public         *
  25  * License along with this library; if not, write to the Free Software       *
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
  27  *                                                                           *
  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
  31  *                                                                           *
  32  *                                                                           *
  33  *                                                                           *
  34  *                                                                           *
  35  *                                                                           *
  36  *                                                                           *
  37 \*---------------------------------------------------------------------------*/
  38
  39 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 #include "OSGConfig.h"
  47
  48 #include "OSGCameraDecorator.h"
  49
  50 OSG_USING_NAMESPACE
  51
  52 /*! \class OSG::CameraDecorator
  53     \ingroup GrpSystemWindowCameraDecorators
  54
  55 The base class for the camera decorator, see \ref
  56 PageSystemWindowCameraDecorators for a description.
  57
  58 The decorated object is held in the _sfDecoratee field.
  59
  60 */
  61
  62 /*----------------------- constructors & destructors ----------------------*/
  63
  64 CameraDecorator::CameraDecorator(void) :
  65     Inherited()
  66 {
  67 }
  68
  69 CameraDecorator::CameraDecorator(const CameraDecorator &source) :
  70     Inherited(source)
  71 {
  72 }
  73
  74 CameraDecorator::~CameraDecorator(void)
  75 {
  76 }
  77
  78 /*----------------------------- class specific ----------------------------*/
  79
  80 void CameraDecorator::initMethod(InitPhase ePhase)
  81 {
  82     Inherited::initMethod(ePhase);
  83 }
  84
  85 void CameraDecorator::changed(ConstFieldMaskArg whichField,
  86                               UInt32            origin,
  87                               BitVector         details)
  88 {
  89     Inherited::changed(whichField, origin, details);
  90 }
  91
  92 void CameraDecorator::dump(      UInt32    ,
  93                          const BitVector ) const
  94 {
  95     SLOG << "Dump CameraDecorator NI" << std::endl;
  96 }
  97
  98
  99 /*---------------------- Decorated Functions ----------------------------*/
 100
 101
 102 void CameraDecorator::getProjection(Matrix &result,
 103                                     UInt32  width ,
 104                                     UInt32  height)
 105 {
 106     Camera *camera = getDecoratee();
 107
 108     if(camera == NULL)
 109     {
 110         FWARNING(("CameraDecorator::getProjection: no decoratee!\n"));
 111
 112         result.setIdentity();
 113
 114         return;
 115     }
 116
 117     camera->getProjection(result, width, height);
 118 }
 119
 120 void CameraDecorator::getProjectionTranslation(Matrix &result,
 121                                                UInt32  width ,
 122                                                UInt32  height)
 123 {
 124     Camera *camera = getDecoratee();
 125
 126     if(camera == NULL)
 127     {
 128         FWARNING(("CameraDecorator::getProjectionTranslation: "
 129                   "no decoratee!\n"));
 130
 131         result.setIdentity();
 132
 133         return;
 134     }
 135
 136     camera->getProjectionTranslation(result, width, height);
 137 }
 138
 139 void CameraDecorator::getViewing(Matrix &result,
 140                                  UInt32  width ,
 141                                  UInt32  height)
 142 {
 143     Camera *camera = getDecoratee();
 144
 145     if(camera == NULL)
 146     {
 147         FWARNING(("CameraDecorator::getViewing: no decoratee!\n"));
 148
 149         result.setIdentity();
 150
 151         return;
 152     }
 153
 154     camera->getViewing(result, width, height);
 155 }
 156
 157 Vec2u CameraDecorator::tileGetFullSize(void) const
 158 {
 159     Camera *pCam = getDecoratee();
 160
 161     if(pCam != NULL)
 162     {
 163         return pCam->tileGetFullSize();
 164     }
 165
 166     return Inherited::tileGetFullSize();
 167 }
 168
 169 Vec4f CameraDecorator::tileGetRegion(void) const
 170 {
 171     Camera *pCam = getDecoratee();
 172
 173     if(pCam != NULL)
 174     {
 175         return pCam->tileGetRegion();
 176     }
 177
 178     return Inherited::tileGetRegion();
 179 }