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C++ cio_seek函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中cio_seek函数的典型用法代码示例。如果您正苦于以下问题：C++ cio_seek函数的具体用法？C++ cio_seek怎么用？C++ cio_seek使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了cio_seek函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: write_tilemhix

size_t write_tilemhix( size_t coff, opj_codestream_info_t cstr_info, int tileno, opj_cio_t *cio)
{
  int i;
  opj_tile_info_t tile;
  opj_tp_info_t tp;
  size_t len, lenp;
  opj_marker_info_t *marker;

  lenp = cio_tell( cio);
  cio_skip( cio, 4);                               /* L [at the end]                    */
  cio_write( cio, JPIP_MHIX, 4);                   /* MHIX                              */

  tile = cstr_info.tile[tileno];
  tp = tile.tp[0];

  cio_write( cio, tp.tp_end_header-tp.tp_start_pos+1, 8);  /* TLEN                              */ 

  marker = cstr_info.tile[tileno].marker;

  for( i=0; i<cstr_info.tile[tileno].marknum; i++){             /* Marker restricted to 1 apparition */
    cio_write( cio, marker[i].type, 2);
    cio_write( cio, 0, 2);
    cio_write( cio, marker[i].pos-coff, 8);
    cio_write( cio, marker[i].len, 2);
  }
     
  /*  free( marker);*/

  len = cio_tell( cio) - lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L           */
  cio_seek( cio, lenp+len);

  return len;
}
开发者ID:modiCAS，项目名称:fo-dicom，代码行数:35，代码来源:thix_manager.c


示例2: write_tpix_v2

int write_tpix_v2( int coff, opj_codestream_info_t cstr_info, int j2klen, opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{
  OPJ_BYTE l_data_header [4];
  int len, lenp;
#if 0
  lenp = cio_tell( cio);
  cio_skip( cio, 4);              /* L [at the end] */
  cio_write( cio, JPIP_TPIX, 4);  /* TPIX           */
#else
  lenp = opj_stream_tell(cio);
  opj_stream_skip(cio, 4, p_manager);
  opj_write_bytes(l_data_header,JPIP_TPIX,4); /* TPIX */
  opj_stream_write_data(cio,l_data_header,4,p_manager);
#endif
  
  write_tpixfaix_v2( coff, 0, cstr_info, j2klen, cio,p_manager);

#if 0
  len = cio_tell( cio)-lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L              */
  cio_seek( cio, lenp+len);
#else
  len = opj_stream_tell(cio)-lenp;
  opj_stream_skip(cio, lenp, p_manager);
  opj_write_bytes(l_data_header,len,4);/* L              */
  opj_stream_write_data(cio,l_data_header,4,p_manager);
  opj_stream_seek(cio, lenp+len,p_manager);
#endif

  return len;
}
开发者ID:luciferlu，项目名称:openjpeg，代码行数:33，代码来源:tpix_manager.c


示例3: j2k_write_siz

void j2k_write_siz()
{
  int i;
  int lenp, len;

  cio_write(J2K_MS_SIZ, 2);	/* SIZ                 */
  lenp = cio_tell();
  cio_skip(2);
  cio_write(0, 2);		/* Rsiz (capabilities) */
  cio_write(j2k_img->x1, 4);	/* Xsiz                */
  cio_write(j2k_img->y1, 4);	/* Ysiz                */
  cio_write(j2k_img->x0, 4);	/* X0siz               */
  cio_write(j2k_img->y0, 4);	/* Y0siz               */
  cio_write(j2k_cp->tdx, 4);	/* XTsiz               */
  cio_write(j2k_cp->tdy, 4);	/* YTsiz               */
  cio_write(j2k_cp->tx0, 4);	/* XT0siz              */
  cio_write(j2k_cp->ty0, 4);	/* YT0siz              */
  cio_write(j2k_img->numcomps, 2);	/* Csiz                */
  for (i = 0; i < j2k_img->numcomps; i++) {
    cio_write(j2k_img->comps[i].prec - 1 + (j2k_img->comps[i].sgnd << 7), 1);	/* Ssiz_i */
    cio_write(j2k_img->comps[i].dx, 1);	/* XRsiz_i             */
    cio_write(j2k_img->comps[i].dy, 1);	/* YRsiz_i             */
  }
  len = cio_tell() - lenp;
  cio_seek(lenp);
  cio_write(len, 2);		/* Lsiz                */
  cio_seek(lenp + len);

}
开发者ID:NanaYngvarrdottir，项目名称:Aurora-Libs，代码行数:29，代码来源:j2k.c


示例4: write_ppix

int write_ppix( int coff, opj_codestream_info_t cstr_info, opj_bool EPHused, int j2klen, opj_cio_t *cio)
{
    int len, lenp, compno, i;
    opj_jp2_box_t *box;

    /*  printf("cstr_info.packno %d\n", cstr_info.packno); //NMAX? */

    lenp = -1;
    box = (opj_jp2_box_t *)opj_calloc( cstr_info.numcomps, sizeof(opj_jp2_box_t));

    for (i=0; i<2; i++) {
        if (i) cio_seek( cio, lenp);

        lenp = cio_tell( cio);
        cio_skip( cio, 4);              /* L [at the end] */
        cio_write( cio, JPIP_PPIX, 4);  /* PPIX           */

        write_manf( i, cstr_info.numcomps, box, cio);

        for (compno=0; compno<cstr_info.numcomps; compno++) {
            box[compno].length = write_ppixfaix( coff, compno, cstr_info, EPHused, j2klen, cio);
            box[compno].type = JPIP_FAIX;
        }

        len = cio_tell( cio)-lenp;
        cio_seek( cio, lenp);
        cio_write( cio, len, 4);        /* L              */
        cio_seek( cio, lenp+len);
    }

    opj_free(box);

    return len;
}
开发者ID:albmarvil，项目名称:The-Eternal-Sorrow，代码行数:34，代码来源:ppix_manager.c


示例5: jp2_write_jp2c

static int jp2_write_jp2c(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {
	unsigned int j2k_codestream_offset, j2k_codestream_length;
	opj_jp2_box_t box;

	opj_j2k_t *j2k = jp2->j2k;

	box.init_pos = cio_tell(cio);
	cio_skip(cio, 4);
	cio_write(cio, JP2_JP2C, 4);	/* JP2C */

	/* J2K encoding */
	j2k_codestream_offset = cio_tell(cio);
	if(!j2k_encode(j2k, cio, image, cstr_info)) {
		opj_event_msg(j2k->cinfo, EVT_ERROR, "Failed to encode image\n");
		return 0;
	}
	j2k_codestream_length = cio_tell(cio) - j2k_codestream_offset;

	jp2->j2k_codestream_offset = j2k_codestream_offset;
	jp2->j2k_codestream_length = j2k_codestream_length;

	box.length = 8 + jp2->j2k_codestream_length;
	cio_seek(cio, box.init_pos);
	cio_write(cio, box.length, 4);	/* L */
	cio_seek(cio, box.init_pos + box.length);

	return box.length;
}
开发者ID:ArphonePei，项目名称:PDFConverter，代码行数:28，代码来源:jp2.c


示例6: write_mainmhix

int write_mainmhix( int coff, opj_codestream_info_t cstr_info, opj_cio_t *cio)
{
  int i;
  int len, lenp;
  
  lenp = cio_tell( cio);
  cio_skip( cio, 4);                               /* L [at the end]                    */
  cio_write( cio, JPIP_MHIX, 4);                   /* MHIX                              */

  cio_write( cio, cstr_info.main_head_end-cstr_info.main_head_start+1, 8);        /* TLEN                              */

  for(i = 1; i < cstr_info.marknum; i++){    /* Marker restricted to 1 apparition, skip SOC marker */
    cio_write( cio, cstr_info.marker[i].type, 2);
    cio_write( cio, 0, 2);
    cio_write( cio, cstr_info.marker[i].pos-coff, 8);
    cio_write( cio, cstr_info.marker[i].len, 2);
  }

  len = cio_tell( cio) - lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L           */
  cio_seek( cio, lenp+len);
  
  return len;
}
开发者ID:respu，项目名称:xsilium-engine，代码行数:25，代码来源:cidx_manager.c


示例7: write_thix

size_t write_thix( size_t coff, opj_codestream_info_t cstr_info, opj_cio_t *cio)
{
  size_t len, lenp;
  int i;
  int tileno;
  opj_jp2_box_t *box;

  lenp = 0;
  box = (opj_jp2_box_t *)opj_calloc( cstr_info.tw*cstr_info.th, sizeof(opj_jp2_box_t));

  for ( i = 0; i < 2 ; i++ ){
    if (i)
      cio_seek( cio, lenp);

    lenp = cio_tell( cio);
    cio_skip( cio, 4);              /* L [at the end] */
    cio_write( cio, JPIP_THIX, 4);  /* THIX           */
    write_manf( i, cstr_info.tw*cstr_info.th, box, cio);
    
    for (tileno = 0; tileno < cstr_info.tw*cstr_info.th; tileno++){
      box[tileno].length = write_tilemhix( coff, cstr_info, tileno, cio);
      box[tileno].type = JPIP_MHIX;
    }
 
    len = cio_tell( cio)-lenp;
    cio_seek( cio, lenp);
    cio_write( cio, len, 4);        /* L              */
    cio_seek( cio, lenp+len);
  }

  opj_free(box);

  return len;
}
开发者ID:modiCAS，项目名称:fo-dicom，代码行数:34，代码来源:thix_manager.c


示例8: write_cidx

int write_cidx( int offset, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t cstr_info, int j2klen)
{
  int len, i, lenp;
  opj_jp2_box_t *box;
  int num_box = 0;
  opj_bool  EPHused;
  (void)image; /* unused ? */

  lenp = -1;
  box = (opj_jp2_box_t *)opj_calloc( 32, sizeof(opj_jp2_box_t));

  for (i=0;i<2;i++){
  
    if(i)
      cio_seek( cio, lenp);

    lenp = cio_tell( cio);

    cio_skip( cio, 4);              /* L [at the end] */
    cio_write( cio, JPIP_CIDX, 4);  /* CIDX           */
    write_cptr( offset, cstr_info.codestream_size, cio);

    write_manf( i, num_box, box, cio);
    
    num_box = 0;
    box[num_box].length = write_mainmhix( offset, cstr_info, cio);
    box[num_box].type = JPIP_MHIX;
    num_box++;

    box[num_box].length = write_tpix( offset, cstr_info, j2klen, cio);
    box[num_box].type = JPIP_TPIX;
    num_box++;
      
    box[num_box].length = write_thix( offset, cstr_info, cio);
    box[num_box].type = JPIP_THIX;
    num_box++;

    EPHused = check_EPHuse( offset, cstr_info.marker, cstr_info.marknum, cio);
      
    box[num_box].length = write_ppix( offset, cstr_info, EPHused, j2klen, cio);
    box[num_box].type = JPIP_PPIX;
    num_box++;
    
    box[num_box].length = write_phix( offset, cstr_info, EPHused, j2klen, cio);
    box[num_box].type = JPIP_PHIX;
    num_box++;
      
    len = cio_tell( cio)-lenp;
    cio_seek( cio, lenp);
    cio_write( cio, len, 4);        /* L             */
    cio_seek( cio, lenp+len);
  }

  opj_free( box);
  
  return len;
}
开发者ID:respu，项目名称:xsilium-engine，代码行数:57，代码来源:cidx_manager.c


示例9: write_thix_v2

int write_thix_v2( int coff, opj_codestream_info_t cstr_info, opj_stream_private_t *cio,
              opj_event_mgr_t * p_manager )
{
  OPJ_BYTE l_data_header [4];
  int len, lenp, i;
  int tileno;
  opj_jp2_box_t *box;

  lenp = 0;
  box = (opj_jp2_box_t *)opj_calloc( cstr_info.tw*cstr_info.th, sizeof(opj_jp2_box_t));

  for ( i = 0; i < 2 ; i++ ){
    if (i)
#if 0
      cio_seek( cio, lenp);
#else
      opj_stream_seek( cio, lenp, p_manager);
#endif

#if 0
    lenp = cio_tell( cio);
    cio_skip( cio, 4);              /* L [at the end] */
    cio_write( cio, JPIP_THIX, 4);  /* THIX           */
#else
    lenp = opj_stream_tell(cio);
    opj_stream_skip(cio, 4, p_manager);             /* L [at the end] */
    opj_write_bytes(l_data_header,JPIP_THIX,4); /* THIX */
    opj_stream_write_data(cio,l_data_header,4,p_manager);
#endif
    write_manf_v2( i, cstr_info.tw*cstr_info.th, box, cio);
    
    for (tileno = 0; tileno < cstr_info.tw*cstr_info.th; tileno++){
      box[tileno].length = write_tilemhix_v2( coff, cstr_info, tileno, cio);
      box[tileno].type = JPIP_MHIX;
    }
 
#if 0
    len = cio_tell( cio)-lenp;
    cio_seek( cio, lenp);
    cio_write( cio, len, 4);        /* L              */
    cio_seek( cio, lenp+len);
#else
    len = opj_stream_tell(cio)-lenp;
    opj_stream_seek(cio, lenp, p_manager);
    opj_write_bytes(l_data_header,len,4); /* L              */
    opj_stream_write_data(cio,l_data_header,4,p_manager);
    opj_stream_seek( cio, lenp+len,p_manager);
#endif
  }

  opj_free(box);

  return len;
}
开发者ID:luciferlu，项目名称:openjpeg，代码行数:54，代码来源:thix_manager.c


示例10: jp2_write_jp

static void jp2_write_jp(opj_cio_t *cio) {
	opj_jp2_box_t box;

	box.init_pos = cio_tell(cio);
	cio_skip(cio, 4);
	cio_write(cio, JP2_JP, 4);		/* JP2 signature */
	cio_write(cio, 0x0d0a870a, 4);

	box.length = cio_tell(cio) - box.init_pos;
	cio_seek(cio, box.init_pos);
	cio_write(cio, box.length, 4);	/* L */
	cio_seek(cio, box.init_pos + box.length);
}
开发者ID:ArphonePei，项目名称:PDFConverter，代码行数:13，代码来源:jp2.c


示例11: jp2_write_jp

void jp2_write_jp()
{
  jp2_box_t box;

  box.init_pos = cio_tell();
  cio_skip(4);
  cio_write(JP2_JP, 4);		// JP
  cio_write(0x0d0a870a, 4);

  box.length = cio_tell() - box.init_pos;
  cio_seek(box.init_pos);
  cio_write(box.length, 4);	/*    L       */
  cio_seek(box.init_pos + box.length);
}
开发者ID:151706061，项目名称:Gdcm，代码行数:14，代码来源:jp2.c


示例12: jp2_write_res

static void jp2_write_res(opj_jp2_t *jp2, opj_cio_t *cio) {
	opj_jp2_box_t box;
	
	box.init_pos = cio_tell(cio);
	cio_skip(cio, 4);
	cio_write(cio, JP2_RES, 4);	/* RES */
	
	jp2_write_resc(jp2, cio);
	
	box.length = cio_tell(cio) - box.init_pos;
	cio_seek(cio, box.init_pos);
	cio_write(cio, box.length, 4);	/* L */
	cio_seek(cio, box.init_pos + box.length);
}
开发者ID:Hao-HUST，项目名称:NBIS，代码行数:14，代码来源:jp2.c


示例13: opj_jp2_encode

opj_bool opj_jp2_encode(opj_jp2_t *jp2, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) {

	int pos_iptr, pos_cidx, pos_jp2c, len_jp2c, len_cidx, end_pos, pos_fidx, len_fidx;
	pos_jp2c = pos_iptr = -1; /* remove a warning */

	/* JP2 encoding */

	/* JPEG 2000 Signature box */
	jp2_write_jp(cio);
	/* File Type box */
	jp2_write_ftyp(jp2, cio);
	/* JP2 Header box */
	jp2_write_jp2h(jp2, cio);

#if 0
	if( jp2->jpip_on){
	  pos_iptr = cio_tell( cio);
	  cio_skip( cio, 24); /* IPTR further ! */
	  
	  pos_jp2c = cio_tell( cio);
	}
#endif

	/* J2K encoding */
	if(!(len_jp2c = jp2_write_jp2c( jp2, cio, image, cstr_info))){
	    opj_event_msg(jp2->cinfo, EVT_ERROR, "Failed to encode image\n");
	    return OPJ_FALSE;
	}

#if 0
	if( jp2->jpip_on){
	  pos_cidx = cio_tell( cio);
	  
	  len_cidx = write_cidx( pos_jp2c+8, cio, image, *cstr_info, len_jp2c-8);
	  
	  pos_fidx = cio_tell( cio);
	  len_fidx = write_fidx( pos_jp2c, len_jp2c, pos_cidx, len_cidx, cio);
	  
	  end_pos = cio_tell( cio);
	  
	  cio_seek( cio, pos_iptr);
	  write_iptr( pos_fidx, len_fidx, cio);
	  
	  cio_seek( cio, end_pos);
	}
#endif

	return OPJ_TRUE;
}
开发者ID:luciferlu，项目名称:openjpeg，代码行数:49，代码来源:jp2.c


示例14: write_iptr

static void write_iptr( int offset, int length, opj_cio_t *cio)
{
  int len, lenp;
  
  lenp = cio_tell( cio);
  cio_skip( cio, 4);              /* L [at the end] */
  cio_write( cio, JPIP_IPTR, 4);  /* IPTR           */
  
  cio_write( cio, offset, 8);
  cio_write( cio, length, 8);

  len = cio_tell( cio)-lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L             */
  cio_seek( cio, lenp+len);
}
开发者ID:151706061，项目名称:fo-dicom，代码行数:16，代码来源:jp2.c


示例15: write_cptr

void write_cptr(int coff, int clen, opj_cio_t *cio)
{
  int len, lenp;

  lenp = cio_tell( cio);
  cio_skip( cio, 4);               /* L [at the end]     */
  cio_write( cio, JPIP_CPTR, 4);   /* T                  */
  cio_write( cio, 0, 2);           /* DR  A PRECISER !!  */
  cio_write( cio, 0, 2);           /* CONT               */
  cio_write( cio, coff, 8);    /* COFF A PRECISER !! */
  cio_write( cio, clen, 8);    /* CLEN               */
  len = cio_tell( cio) - lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);         /* L                  */
  cio_seek( cio, lenp+len);
}
开发者ID:respu，项目名称:xsilium-engine，代码行数:16，代码来源:cidx_manager.c


示例16: write_tpix

int write_tpix( int coff, opj_codestream_info_t cstr_info, int j2klen, opj_cio_t *cio)
{
  int len, lenp;
  lenp = cio_tell( cio);
  cio_skip( cio, 4);              /* L [at the end] */
  cio_write( cio, JPIP_TPIX, 4);  /* TPIX           */
  
  write_tpixfaix( coff, 0, cstr_info, j2klen, cio);

  len = cio_tell( cio)-lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L              */
  cio_seek( cio, lenp+len);

  return len;
}
开发者ID:respu，项目名称:xsilium-engine，代码行数:16，代码来源:tpix_manager.c


示例17: j2k_write_coc

void j2k_write_coc(int compno)
{
  j2k_tcp_t *tcp;
  int lenp, len;

  cio_write(J2K_MS_COC, 2);	/* COC */
  lenp = cio_tell();
  cio_skip(2);
  tcp = &j2k_cp->tcps[j2k_curtileno];
  cio_write(compno, j2k_img->numcomps <= 256 ? 1 : 2);	/* Ccoc */
  cio_write(tcp->tccps[compno].csty, 1);	/* Scoc */
  j2k_write_cox(compno);
  len = cio_tell() - lenp;
  cio_seek(lenp);
  cio_write(len, 2);		/* Lcoc */
  cio_seek(lenp + len);
}
开发者ID:NanaYngvarrdottir，项目名称:Aurora-Libs，代码行数:17，代码来源:j2k.c


示例18: jp2_write_bpcc

void jp2_write_bpcc(jp2_struct_t * jp2_struct)
{
  unsigned int i;
  jp2_box_t box;

  box.init_pos = cio_tell();
  cio_skip(4);
  cio_write(JP2_BPCC, 4);	// BPCC

  for (i = 0; i < jp2_struct->numcomps; i++)
    cio_write(jp2_struct->comps[i].bpcc, 1);

  box.length = cio_tell() - box.init_pos;
  cio_seek(box.init_pos);
  cio_write(box.length, 4);	/*    L       */
  cio_seek(box.init_pos + box.length);
}
开发者ID:151706061，项目名称:Gdcm，代码行数:17，代码来源:jp2.c


示例19: write_fidx

static int write_fidx( int offset_jp2c, int length_jp2c, int offset_idx, int length_idx, opj_cio_t *cio)
{  
  int len, lenp;
  
  lenp = cio_tell( cio);
  cio_skip( cio, 4);              /* L [at the end] */
  cio_write( cio, JPIP_FIDX, 4);  /* IPTR           */
  
  write_prxy( offset_jp2c, length_jp2c, offset_idx, length_idx, cio);

  len = cio_tell( cio)-lenp;
  cio_seek( cio, lenp);
  cio_write( cio, len, 4);        /* L              */
  cio_seek( cio, lenp+len);  

  return len;
}
开发者ID:151706061，项目名称:fo-dicom，代码行数:17，代码来源:jp2.c


示例20: jp2_write_bpcc

static void jp2_write_bpcc(opj_jp2_t *jp2, opj_cio_t *cio) {
	unsigned int i;
	opj_jp2_box_t box;

	box.init_pos = cio_tell(cio);
	cio_skip(cio, 4);
	cio_write(cio, JP2_BPCC, 4);	/* BPCC */

	for (i = 0; i < jp2->numcomps; i++) {
		cio_write(cio, jp2->comps[i].bpcc, 1);
	}

	box.length = cio_tell(cio) - box.init_pos;
	cio_seek(cio, box.init_pos);
	cio_write(cio, box.length, 4);	/* L */
	cio_seek(cio, box.init_pos + box.length);
}
开发者ID:ArphonePei，项目名称:PDFConverter，代码行数:17，代码来源:jp2.c



注：本文中的cio_seek函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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