libmng_prop_xs.c

Linux下的基于X11的图形开发环境。

/* ************************************************************************** */
/* *             For conditions of distribution and use,                    * */
/* *                see copyright notice in libmng.h                        * */
/* ************************************************************************** */
/* *                                                                        * */
/* * project   : libmng                                                     * */
/* * file      : libmng_prop_xs.c          copyright (c) 2000 G.Juyn        * */
/* * version   : 1.0.4                                                      * */
/* *                                                                        * */
/* * purpose   : property get/set interface (implementation)                * */
/* *                                                                        * */
/* * author    : G.Juyn                                                     * */
/* * web       : http://www.3-t.com                                         * */
/* * email     : mailto:[e-mail]                                        * */
/* *                                                                        * */
/* * comment   : implementation of the property get/set functions           * */
/* *                                                                        * */
/* * changes   : 0.5.1 - 05/08/2000 - G.Juyn                                * */
/* *             - fixed calling convention                                 * */
/* *             - changed strict-ANSI stuff                                * */
/* *             0.5.1 - 05/11/2000 - G.Juyn                                * */
/* *             - added set_outputprofile2 & set_srgbprofile2              * */
/* *             0.5.1 - 05/12/2000 - G.Juyn                                * */
/* *             - changed trace to macro for callback error-reporting      * */
/* *                                                                        * */
/* *             0.5.2 - 05/23/2000 - G.Juyn                                * */
/* *             - changed inclusion of cms-routines                        * */
/* *             0.5.2 - 05/24/2000 - G.Juyn                                * */
/* *             - added support for get/set default zlib/IJG parms         * */
/* *             0.5.2 - 05/31/2000 - G.Juyn                                * */
/* *             - fixed up punctuation (contribution by Tim Rowley)        * */
/* *             0.5.2 - 06/05/2000 - G.Juyn                                * */
/* *             - added support for RGB8_A8 canvasstyle                    * */
/* *                                                                        * */
/* *             0.5.3 - 06/21/2000 - G.Juyn                                * */
/* *             - added get/set for speedtype to facilitate testing        * */
/* *             - added get for imagelevel during processtext callback     * */
/* *             0.5.3 - 06/26/2000 - G.Juyn                                * */
/* *             - changed userdata variable to mng_ptr                     * */
/* *             0.5.3 - 06/29/2000 - G.Juyn                                * */
/* *             - fixed incompatible return-types                          * */
/* *                                                                        * */
/* *             0.9.1 - 07/08/2000 - G.Juyn                                * */
/* *             - added get routines for internal display variables        * */
/* *             - added get/set routines for suspensionmode variable       * */
/* *             0.9.1 - 07/15/2000 - G.Juyn                                * */
/* *             - added get/set routines for sectionbreak variable         * */
/* *                                                                        * */
/* *             0.9.2 - 07/31/2000 - G.Juyn                                * */
/* *             - added status_xxxx functions                              * */
/* *             0.9.2 - 08/05/2000 - G.Juyn                                * */
/* *             - changed file-prefixes                                    * */
/* *                                                                        * */
/* *             0.9.3 - 10/10/2000 - G.Juyn                                * */
/* *             - added support for alpha-depth prediction                 * */
/* *             0.9.3 - 10/16/2000 - G.Juyn                                * */
/* *             - added functions to retrieve PNG/JNG specific header-info * */
/* *             0.9.3 - 10/20/2000 - G.Juyn                                * */
/* *             - added get/set for bKGD preference setting                * */
/* *             0.9.3 - 10/21/2000 - G.Juyn                                * */
/* *             - added get function for interlace/progressive display     * */
/* *                                                                        * */
/* *             1.0.1 - 04/21/2001 - G.Juyn (code by G.Kelly)              * */
/* *             - added BGRA8 canvas with premultiplied alpha              * */
/* *             1.0.1 - 05/02/2001 - G.Juyn                                * */
/* *             - added "default" sRGB generation (Thanks Marti!)          * */
/* *                                                                        * */
/* *             1.0.2 - 06/23/2001 - G.Juyn                                * */
/* *             - added optimization option for MNG-video playback         * */
/* *             1.0.2 - 06/25/2001 - G.Juyn                                * */
/* *             - added option to turn off progressive refresh             * */
/* *                                                                        * */
/* *             1.0.3 - 08/06/2001 - G.Juyn                                * */
/* *             - added get function for last processed BACK chunk         * */
/* *                                                                        * */
/* *             1.0.4 - 06/22/2002 - G.Juyn                                * */
/* *             - B495442 - invalid returnvalue in mng_get_suspensionmode  * */
/* *                                                                        * */
/* ************************************************************************** */

#include "libmng.h"
#include "libmng_data.h"
#include "libmng_error.h"
#include "libmng_trace.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "libmng_cms.h"

#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
#pragma option -A                      /* force ANSI-C */
#endif

/* ************************************************************************** */
/* *                                                                        * */
/* *  Property set functions                                                * */
/* *                                                                        * */
/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_userdata (mng_handle hHandle,
                                       mng_ptr    pUserdata)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USERDATA, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)
  ((mng_datap)hHandle)->pUserdata = pUserdata;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USERDATA, MNG_LC_END)
#endif

  return MNG_NOERROR;
}

/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_canvasstyle (mng_handle hHandle,
                                          mng_uint32 iStyle)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CANVASSTYLE, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)

  switch (iStyle)
  {
    case MNG_CANVAS_RGB8    : break;
    case MNG_CANVAS_RGBA8   : break;
    case MNG_CANVAS_ARGB8   : break;
    case MNG_CANVAS_RGB8_A8 : break;
    case MNG_CANVAS_BGR8    : break;
    case MNG_CANVAS_BGRA8   : break;
    case MNG_CANVAS_BGRA8PM : break;
    case MNG_CANVAS_ABGR8   : break;
/*    case MNG_CANVAS_RGB16   : break; */
/*    case MNG_CANVAS_RGBA16  : break; */
/*    case MNG_CANVAS_ARGB16  : break; */
/*    case MNG_CANVAS_BGR16   : break; */
/*    case MNG_CANVAS_BGRA16  : break; */
/*    case MNG_CANVAS_ABGR16  : break; */
/*    case MNG_CANVAS_INDEX8  : break; */
/*    case MNG_CANVAS_INDEXA8 : break; */
/*    case MNG_CANVAS_AINDEX8 : break; */
/*    case MNG_CANVAS_GRAY8   : break; */
/*    case MNG_CANVAS_GRAY16  : break; */
/*    case MNG_CANVAS_GRAYA8  : break; */
/*    case MNG_CANVAS_GRAYA16 : break; */
/*    case MNG_CANVAS_AGRAY8  : break; */
/*    case MNG_CANVAS_AGRAY16 : break; */
/*    case MNG_CANVAS_DX15    : break; */
/*    case MNG_CANVAS_DX16    : break; */
    default                 : { MNG_ERROR (((mng_datap)hHandle), MNG_INVALIDCNVSTYLE) }
  }

  ((mng_datap)hHandle)->iCanvasstyle = iStyle;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CANVASSTYLE, MNG_LC_END)
#endif

  return MNG_NOERROR;
}

/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_bkgdstyle (mng_handle hHandle,
                                        mng_uint32 iStyle)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BKGDSTYLE, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)

  switch (iStyle)                      /* alpha-modes not supported */
  {
    case MNG_CANVAS_RGB8    : break;
    case MNG_CANVAS_BGR8    : break;
/*    case MNG_CANVAS_RGB16   : break; */
/*    case MNG_CANVAS_BGR16   : break; */
/*    case MNG_CANVAS_INDEX8  : break; */
/*    case MNG_CANVAS_GRAY8   : break; */
/*    case MNG_CANVAS_GRAY16  : break; */
/*    case MNG_CANVAS_DX15    : break; */
/*    case MNG_CANVAS_DX16    : break; */
    default                 : MNG_ERROR (((mng_datap)hHandle), MNG_INVALIDCNVSTYLE)
  }

  ((mng_datap)hHandle)->iBkgdstyle = iStyle;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BKGDSTYLE, MNG_LC_END)
#endif

  return MNG_NOERROR;
}

/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_bgcolor (mng_handle hHandle,
                                      mng_uint16 iRed,
                                      mng_uint16 iGreen,
                                      mng_uint16 iBlue)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BGCOLOR, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)
  ((mng_datap)hHandle)->iBGred   = iRed;
  ((mng_datap)hHandle)->iBGgreen = iGreen;
  ((mng_datap)hHandle)->iBGblue  = iBlue;
  ((mng_datap)hHandle)->bUseBKGD = MNG_FALSE;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BGCOLOR, MNG_LC_END)
#endif

  return MNG_NOERROR;
}

/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_usebkgd (mng_handle hHandle,
                                      mng_bool   bUseBKGD)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USEBKGD, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)
  ((mng_datap)hHandle)->bUseBKGD = bUseBKGD;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USEBKGD, MNG_LC_END)
#endif

  return MNG_NOERROR;
}

/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_storechunks (mng_handle hHandle,
                                          mng_bool   bStorechunks)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_STORECHUNKS, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)
  ((mng_datap)hHandle)->bStorechunks = bStorechunks;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_STORECHUNKS, MNG_LC_END)
#endif

  return MNG_NOERROR;
}

/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_sectionbreaks (mng_handle hHandle,
                                            mng_bool   bSectionbreaks)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SECTIONBREAKS, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)
  ((mng_datap)hHandle)->bSectionbreaks = bSectionbreaks;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SECTIONBREAKS, MNG_LC_END)
#endif

  return MNG_NOERROR;
}

/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_cacheplayback (mng_handle hHandle,
                                            mng_bool   bCacheplayback)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CACHEPLAYBACK, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)

  if (((mng_datap)hHandle)->bHasheader)
    MNG_ERROR (((mng_datap)hHandle), MNG_FUNCTIONINVALID)

  ((mng_datap)hHandle)->bCacheplayback = bCacheplayback;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CACHEPLAYBACK, MNG_LC_END)
#endif

  return MNG_NOERROR;
}

/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_doprogressive (mng_handle hHandle,
                                            mng_bool   bDoProgressive)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DOPROGRESSIVE, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)

  ((mng_datap)hHandle)->bDoProgressive = bDoProgressive;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DOPROGRESSIVE, MNG_LC_END)
#endif

  return MNG_NOERROR;
}

/* ************************************************************************** */

#ifdef MNG_SUPPORT_DISPLAY
mng_retcode MNG_DECL mng_set_srgb (mng_handle hHandle,
                                   mng_bool   bIssRGB)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGB, MNG_LC_START)
#endif

  MNG_VALIDHANDLE (hHandle)
  ((mng_datap)hHandle)->bIssRGB = bIssRGB;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SRGB, MNG_LC_END)
#endif

  return MNG_NOERROR;
}
#endif /* MNG_SUPPORT_DISPLAY */

/* ************************************************************************** */

#ifdef MNG_SUPPORT_DISPLAY
mng_retcode MNG_DECL mng_set_outputprofile (mng_handle hHandle,
                                            mng_pchar  zFilename)
{
#ifdef MNG_INCLUDE_LCMS
  mng_datap pData;
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTPROFILE, MNG_LC_START)
#endif

#ifdef MNG_INCLUDE_LCMS
  MNG_VALIDHANDLE (hHandle)

  pData = (mng_datap)hHandle;          /* address the structure */

  if (pData->hProf2)                   /* previously defined ? */
    mnglcms_freeprofile (pData->hProf2);
                                       /* allocate new CMS profile handle */
  pData->hProf2 = mnglcms_createfileprofile (zFilename);

  if (!pData->hProf2)                  /* handle error ? */
    MNG_ERRORL (pData, MNG_LCMS_NOHANDLE)
#endif /* MNG_INCLUDE_LCMS */

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTPROFILE, MNG_LC_END)
#endif

  return MNG_NOERROR;
}
#endif /* MNG_SUPPORT_DISPLAY */

/* ************************************************************************** */

#ifdef MNG_SUPPORT_DISPLAY
mng_retcode MNG_DECL mng_set_outputprofile2 (mng_handle hHandle,
                                             mng_uint32 iProfilesize,
                                             mng_ptr    pProfile)
{
#ifdef MNG_INCLUDE_LCMS
  mng_datap pData;
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTPROFILE2, MNG_LC_START)
#endif

#ifdef MNG_INCLUDE_LCMS
  MNG_VALIDHANDLE (hHandle)

  pData = (mng_datap)hHandle;          /* address the structure */

  if (pData->hProf2)                   /* previously defined ? */
    mnglcms_freeprofile (pData->hProf2);
                                       /* allocate new CMS profile handle */
  pData->hProf2 = mnglcms_creatememprofile (iProfilesize, pProfile);

  if (!pData->hProf2)                  /* handle error ? */
    MNG_ERRORL (pData, MNG_LCMS_NOHANDLE)
#endif /* MNG_INCLUDE_LCMS */

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTPROFILE2, MNG_LC_END)
#endif

  return MNG_NOERROR;
}
#endif /* MNG_SUPPORT_DISPLAY */

/* ************************************************************************** */

mng_retcode MNG_DECL mng_set_outputsrgb (mng_handle hHandle)
{
#ifdef MNG_INCLUDE_LCMS
  mng_datap pData;
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTSRGB, MNG_LC_START)
#endif

#ifdef MNG_INCLUDE_LCMS
  MNG_VALIDHANDLE (hHandle)

  pData = (mng_datap)hHandle;          /* address the structure */

  if (pData->hProf2)                   /* previously defined ? */
    mnglcms_freeprofile (pData->hProf2);
                                       /* allocate new CMS profile handle */
  pData->hProf2 = mnglcms_createsrgbprofile ();

  if (!pData->hProf2)                  /* handle error ? */
    MNG_ERRORL (pData, MNG_LCMS_NOHANDLE)
#endif /* MNG_INCLUDE_LCMS */

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_OUTPUTSRGB, MNG_LC_END)
#endif