dim_jpeg_format.h

Digital Notebook Source Code v1.1.0 [

/*****************************************************************************
  JPEG support 
  Copyright (c) 2004 by Dmitry V. Fedorov <www.dimin.net> <[e-mail]>

  IMPLEMENTATION
  
  Programmer: Dima V. Fedorov <mailto:[e-mail]> <http://www.dimin.net/>

  History:
    04/22/2004 13:06 - First creation
        
  Ver : 1
*****************************************************************************/

#ifndef DIM_JPEG_FORMAT_H
#define DIM_JPEG_FORMAT_H

#include <dim_img_format_interface.h>
#include <dim_img_format_utils.h>

#include <stdio.h> // jpeglib needs this to be pre-included
#include <setjmp.h>

// DLL EXPORT FUNCTION
extern "C" {
TDimFormatHeader* dimJpegGetFormatHeader(void);
}

//----------------------------------------------------------------------------
// Internal Format Info Structs
//----------------------------------------------------------------------------

#ifdef FAR
#undef FAR
#endif

#if defined(__RPCNDR_H__)
#define HAVE_BOOLEAN
#define boolean unsigned int
#endif

extern "C" {
#define XMD_H // Shut JPEGlib up.

#include <jpeglib.h>
#include <jerror.h>

#ifdef const
#undef const // Remove crazy C hackery in jconfig.h
#endif
}

#ifndef uchar
#define uchar unsigned char
#endif



// INTERNAL FUNCTIONS
DIM_INT dimJpegValidateFormatProc (DIM_MAGIC_STREAM *magic, DIM_UINT length);

//TDimFormatHandle dimJpegAquireFormatProc( void );
//void dimJpegReleaseFormatProc (TDimFormatHandle *fmtHndl);

DIM_UINT dimJpegOpenImageProc  (TDimFormatHandle *fmtHndl, DIM_ImageIOModes io_mode);
DIM_UINT dimJpegFOpenImageProc (TDimFormatHandle *fmtHndl, char* fileName, DIM_ImageIOModes io_mode);
DIM_UINT dimJpegIOpenImageProc (TDimFormatHandle *fmtHndl, char* fileName, 
                                         DIM_IMAGE_CLASS *image, DIM_ImageIOModes io_mode);

void dimJpegCloseImageProc     (TDimFormatHandle *fmtHndl);

//DIM_UINT dimJpegGetNumPagesProc       ( TDimFormatHandle *fmtHndl );
//TDimImageInfo dimJpegGetImageInfoProc ( TDimFormatHandle *fmtHndl, DIM_UINT page_num );

DIM_UINT dimJpegReadImageProc  (TDimFormatHandle *fmtHndl, DIM_UINT page);
DIM_UINT dimJpegWriteImageProc (TDimFormatHandle *fmtHndl);

//DIM_UINT dimJpegReadImagePreviewProc (TDimFormatHandle *fmtHndl, DIM_UINT w, DIM_UINT h);

DIM_UINT dimJpegAddMetaDataProc (TDimFormatHandle *fmtHndl);
DIM_UINT dimJpegReadMetaDataProc (TDimFormatHandle *fmtHndl, DIM_UINT page, int group, int tag, int type);
char* dimJpegReadMetaDataAsTextProc ( TDimFormatHandle *fmtHndl );

#endif // DIM_JPEG_FORMAT_H