csj2kl.h

Charmsoft公司的JPEG2000开发包

//
//
//               CHARMSOFT CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in accordance with the terms of that agreement.
//        Copyright (c) 1998 Charmsoft Corporation. All Rights Reserved.
//
//
//  File:
//    CSJ2KL.H
//
//  Purpose:
//    CSJ2KL Common Header File
//    This file contains:  definitions for data types, data
//    structures, error codes, and function prototypes used
//    in the Charmsoft(R) JPEG2000 Library (CSJ2KL).
//
//  Version:
//    2.20
//

#ifdef CSJ2KL_EXPORTS
#define CSJ2KL_API __declspec(dllexport)
#else
#define CSJ2KL_API __declspec(dllimport)
#endif


#define CSJ2KL_DIB_PAD_BYTES(width) ((width*24+31)/32*4)


typedef enum _CSJ2KLIOTYPE
{
  CSJ2KL_JFILE_READPARAMS        =  0,
  CSJ2KL_JBUFF_READPARAMS        =  1,

  /* Read a JPEG Interchange Format image. */
  CSJ2KL_JFILE_READWHOLEIMAGE    =  2,
  CSJ2KL_JBUFF_READWHOLEIMAGE    =  3,

  /* Write an entire JFIF bit stream. */
  CSJ2KL_JFILE_WRITEWHOLEIMAGE   =  4,
  CSJ2KL_JBUFF_WRITEWHOLEIMAGE   =  5,

} CSJ2KLIOTYPE;


typedef enum _CSJ2KL_COLOR
{
  CSJ2KL_RGB         = 1,    /* Red-Green-Blue color space. */
  CSJ2KL_BGR         = 2,    /* Reversed channel ordering from CSJ2KL_RGB. */
  CSJ2KL_OTHER       = 255   /* Some other color space not defined by the CSJ2KL. */
                          /* (This means no color space conversion will */
                          /* be done by the CSJ2KL.) */
} CSJ2KL_COLOR;

typedef enum _CSJ2KL_ERROR
{
  CSJ2KL_OK					= 0,    /* OK */
  CSJ2KL_ERROR_ENCODE		= -1,   
  CSJEKL_UNKNOWN			= -255


} CSJ2KL_ERROR;


typedef struct _JPEG2K_CORE_PROPERTIES
{

  /* DIB specific I/O data specifiers. */
  unsigned char*		DIBBytes;                  /* default = NULL */
  int					DIBWidth;                  /* default = 0 */
  int					DIBHeight;                 /* default = 0 */
  int					DIBPadBytes;               /* default = 0 */
  int					DIBChannels;               /* default = 3 */
  int					DIBBitsPerChannel;         /* default = 8 */
  int					DIBInversion;              /* default = 0 */
  CSJ2KL_COLOR          DIBColor;                  /* default = CSJ2KL_BGR */


  /* JPEG2000 specific I/O data specifiers. */
  const char* 			JPGFile;				   /* default = NULL */
  unsigned char*		JPGBytes;                  /* default = NULL */
  int					JPGSizeBytes;              /* default = 0 */
  int					JPGBitsPerChannel;		   /* default = 8 */
  int					JPGWidth;                  /* default = 0 */
  int					JPGHeight;                 /* default = 0 */
  int					JPGChannels;               /* default = 3 */
  int					JPGQuality;                /* default = 75 */

} JPEG2K_CORE_PROPERTIES;

CSJ2KL_API CSJ2KL_ERROR CSJ2KL_INIT(JPEG2K_CORE_PROPERTIES *JCP);
CSJ2KL_API CSJ2KL_ERROR CSJ2KL_READ(JPEG2K_CORE_PROPERTIES *JCP,CSJ2KLIOTYPE TYPE);
CSJ2KL_API CSJ2KL_ERROR CSJ2KL_WRITE(JPEG2K_CORE_PROPERTIES *JCP,CSJ2KLIOTYPE TYPE);
CSJ2KL_API CSJ2KL_ERROR CSJ2KL_FREE(JPEG2K_CORE_PROPERTIES *JCP);

CSJ2KL_API char* CSJ2KL_GETVERSION ();
CSJ2KL_API char* CSJ2KL_ERRORSTRING(CSJ2KL_ERROR code);