Source/System/Image/FileIO/OSGDATImageFileType.h

   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 #ifndef _OSGDATIMAGEFILETYPE_H_
  40 #define _OSGDATIMAGEFILETYPE_H_
  41
  42 #ifdef  __sgi
  43 #pragma  once
  44 #endif
  45
  46 #include "OSGImageFileIODef.h"
  47 #include "OSGImageFileType.h"
  48
  49 OSG_BEGIN_NAMESPACE
  50
  51 /*! \brief DAT File Handler. Used to read/write DAT/RAW files.
  52     See \ref PageSystemImage for a detailed description.
  53
  54     \ingroup GrpImageFileIODAT
  55     \ingroup GrpLibOSGImageFileIO
  56 */
  57
  58 class OSG_IMGFILEIO_DLLMAPPING DATImageFileType : public ImageFileType
  59 {
  60     /*==========================  PUBLIC  =================================*/
  61
  62   public:
  63
  64     /*---------------------------------------------------------------------*/
  65     /*! \name                   Destructor                                 */
  66     /*! \{                                                                 */
  67
  68     virtual ~DATImageFileType(void);
  69
  70     /*! \}                                                                 */
  71     /*---------------------------------------------------------------------*/
  72     /*! \name                   Read/Write                                 */
  73     /*! \{                                                                 */
  74
  75     virtual bool read (      Image            *pImage,
  76                        const Char8            *fileName);
  77
  78     virtual bool write(const Image            *pImage,
  79                        const Char8            *fileName);
  80
  81     /*! \}                                                                 */
  82     /*---------------------------------------------------------------------*/
  83     /*! \name                     Buffer                                   */
  84     /*! \{                                                                 */
  85
  86     virtual UInt64 restoreData(      Image            *pImage,
  87                                const UChar8           *buffer,
  88                                      Int32             memSize = -1) const;
  89
  90     virtual UInt64 storeData  (const Image            *pImage,
  91                                      UChar8           *buffer,
  92                                      Int32             memSize = -1) const;
  93
  94     /*! \}                                                                 */
  95     /*=========================  PROTECTED  ===============================*/
  96
  97   protected:
  98
  99     /*---------------------------------------------------------------------*/
 100     /*! \name               Default Constructor                            */
 101     /*! \{                                                                 */
 102
 103     DATImageFileType(const Char8  *mimeType,
 104                      const Char8  *suffixArray[],
 105                            UInt16  suffixByteCount);
 106
 107     /*! \}                                                                 */
 108     /*---------------------------------------------------------------------*/
 109     /*! \name                       Copy Op                                */
 110     /*! \{                                                                 */
 111
 112           DATImageFileType            (const DATImageFileType &obj);
 113     const DATImageFileType &operator =(const DATImageFileType &obj);
 114
 115     /*! \}                                                                 */
 116     /*==========================  PRIVATE  ================================*/
 117
 118   private:
 119
 120     typedef ImageFileType Inherited;
 121
 122     static  DATImageFileType _the;
 123
 124     enum KeyType
 125     {
 126         UNKNOWN_KT = 0,
 127
 128         OBJECT_FILE_NAME_KT,
 129         RESOLUTION_KT,
 130         SLICE_THICKNESS_KT,
 131         FORMAT_KT,
 132         FILE_OFFSET_KT,
 133         CHANNEL_KT,
 134         ENDIAN_KT
 135     };
 136
 137 #if !defined(OSG_DO_DOC) || defined(OSG_DOC_DEV)
 138
 139    /*! \nohierarchy
 140     */
 141
 142     struct FormatDesc
 143     {
 144         bool               needConversion;
 145         Image::Type        type;
 146         UInt32             bpv;
 147         Image::PixelFormat pixelFormat;
 148     };
 149
 150 #endif
 151
 152     static std::map<std::string, KeyType>    _keyStrMap;
 153     static std::map<std::string, FormatDesc> _formatStrMap;
 154
 155     static void initTypeMap(void);
 156 };
 157
 158 typedef DATImageFileType* DATImageFileTypeP;
 159
 160 OSG_END_NAMESPACE
 161
 162 #endif // _OSGDATIMAGEFILETYPE_H_