Source/System/Image/FileIO/OSGGIFImageFileType.h

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  38
  39 #ifndef _OSGGIFIMAGEFILETYPE_H_
  40 #define _OSGGIFIMAGEFILETYPE_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 GIF File Handler. Used to read/write GIF files.
  52     See \ref PageSystemImage for a detailed description.
  53
  54     \ingroup GrpImageFileIOGIF
  55     \ingroup GrpLibOSGImageFileIO
  56  */
  57
  58 class OSG_IMGFILEIO_DLLMAPPING GIFImageFileType : public ImageFileType
  59 {
  60     /*==========================  PUBLIC  =================================*/
  61
  62   public:
  63
  64     /*---------------------------------------------------------------------*/
  65     /*! \name                   Destructor                                 */
  66     /*! \{                                                                 */
  67
  68     virtual ~GIFImageFileType(void);
  69
  70     /*! \}                                                                 */
  71     /*---------------------------------------------------------------------*/
  72     /*! \name                   Read/Write                                 */
  73     /*! \{                                                                 */
  74
  75     virtual bool read (      Image            *pImage,
  76                              std::istream     &is,
  77                        const std::string      &mimetype);
  78
  79     virtual bool write(const Image            *pImage,
  80                              std::ostream     &os,
  81                        const std::string      &mimetype);
  82
  83
  84     /*! \}                                                                 */
  85     /*---------------------------------------------------------------------*/
  86     /*! \name                   Read/Write                                 */
  87     /*! \{                                                                 */
  88
  89     virtual bool validateHeader(const Char8    *fileName,
  90                                       bool     &implemented);
  91
  92     /*! \}                                                                 */
  93     /*---------------------------------------------------------------------*/
  94     /*! \name                   Read/Write                                 */
  95     /*! \{                                                                 */
  96
  97     virtual std::string determineMimetypeFromStream(std::istream &is);
  98
  99     /*! \}                                                                 */
 100     /*=========================  PROTECTED  ===============================*/
 101
 102   protected:
 103
 104     /*---------------------------------------------------------------------*/
 105     /*! \name               Default Constructor                            */
 106     /*! \{                                                                 */
 107
 108     GIFImageFileType(const Char8  *mimeType,
 109                      const Char8  *suffixArray[],
 110                            UInt16  suffixByteCount);
 111
 112     /*! \}                                                                 */
 113     /*---------------------------------------------------------------------*/
 114     /*! \name                        Copy Op                               */
 115     /*! \{                                                                 */
 116
 117           GIFImageFileType            (const GIFImageFileType &obj);
 118     const GIFImageFileType &operator =(const GIFImageFileType &obj);
 119
 120     /*! \}                                                                 */
 121     /*==========================  PRIVATE  ================================*/
 122
 123   private:
 124
 125     typedef ImageFileType Inherited;
 126
 127     static  GIFImageFileType _the;
 128 };
 129
 130 typedef GIFImageFileType *GIFImageFileTypeP;
 131
 132 OSG_END_NAMESPACE
 133
 134 #endif // _OSGGIFIMAGEFILETYPE_H_