C++ (Cpp) otf_get_table示例

示例#1

文件： embed_sfnt.c 项目： ystk/debian-cups

void emb_otf_get_pdf_fontdescr(OTF_FILE *otf,EMB_PDF_FONTDESCR *ret) // {{{
{
  int len;

//  TODO
//  ... fill in struct
  char *head=otf_get_table(otf,OTF_TAG('h','e','a','d'),&len);
  assert(head); // version is 1.0 from otf_load
  ret->bbxmin=get_SHORT(head+36)*1000/otf->unitsPerEm;
  ret->bbymin=get_SHORT(head+38)*1000/otf->unitsPerEm;
  ret->bbxmax=get_SHORT(head+40)*1000/otf->unitsPerEm;
  ret->bbymax=get_SHORT(head+42)*1000/otf->unitsPerEm;
  const int macStyle=get_USHORT(head+44);
  free(head);

  char *post=otf_get_table(otf,OTF_TAG('p','o','s','t'),&len);
  assert(post);
  const unsigned int post_version=get_ULONG(post);
  // check length
  assert( (post_version!=0x00010000)||(len==32) );
  assert( (post_version!=0x00020000)||(len>=34+2*otf->numGlyphs) );
  assert( (post_version!=0x00025000)||(len==35+otf->numGlyphs) );
  assert( (post_version!=0x00030000)||(len==32) );
  assert( (post_version!=0x00020000)||(get_USHORT(post+32)==otf->numGlyphs) );
//  assert( (post_version==0x00030000)==(!!(otf->flags&OTF_F_FMT_CFF)) ); // ghostscript embedding does this..
  // TODO: v4 (apple) :  uint16 reencoding[numGlyphs]
  if ( (post_version==0x00010000)||
       (post_version==0x00020000)||
       (post_version==0x00025000)||
       (post_version==0x00030000) ) {
    ret->italicAngle=get_LONG(post+4)>>16;
    if (get_ULONG(post+12)>0) { // monospaced
      ret->flags|=1;
    }
  } else {

示例#2

文件： embed_sfnt.c 项目： ystk/debian-cups

EMB_RIGHT_TYPE emb_otf_get_rights(OTF_FILE *otf) // {{{
{
  EMB_RIGHT_TYPE ret=EMB_RIGHT_FULL;

  int len;
  char *os2=otf_get_table(otf,OTF_TAG('O','S','/','2'),&len);
  if (os2) {
    const unsigned short os2_version=get_USHORT(os2);
    // check len
    assert( (os2_version!=0x0000)||(len==78) );
    assert( (os2_version!=0x0001)||(len==86) );
    assert( (os2_version<0x0002)||(os2_version>0x0004)||(len==96) );
    if (os2_version<=0x0004) {
      // get rights
      unsigned short fsType=get_USHORT(os2+8);
      ret=fsType&0x0200;
      if ((fsType&0x0f)==0x0002) {
        ret|=EMB_RIGHT_NONE;
      } else if ((fsType&0x0f)==0x0004) {
        ret|=EMB_RIGHT_READONLY;
      } 
    }
    free(os2);
  }
  return ret;
}

示例#3

文件： embed_sfnt.c 项目： GalliumOS/cups-filters

EMB_RIGHT_TYPE emb_otf_get_rights(OTF_FILE *otf) // {{{
{
  EMB_RIGHT_TYPE ret=EMB_RIGHT_FULL;

  int len;
  char *os2=otf_get_table(otf,OTF_TAG('O','S','/','2'),&len);
  if (os2) {
    const unsigned short os2_version=get_USHORT(os2);
    // check len
    assert( (os2_version!=0x0000)||(len==78) );
    assert( (os2_version!=0x0001)||(len==86) );
    assert( (os2_version<0x0002)||(os2_version>0x0004)||(len==96) );
    if (os2_version<=0x0004) {
      // get rights
      unsigned short fsType=get_USHORT(os2+8);
      // from Adobe's Fontpolicies_v9.pdf, pg 13:
      if (fsType==0x0002) {
        ret=EMB_RIGHT_NONE;
      } else {
        ret=fsType&0x0300; // EMB_RIGHT_BITMAPONLY, EMB_RIGHT_NO_SUBSET
        if ((fsType&0x000c)==0x0004) {
          ret|=EMB_RIGHT_READONLY;
        }
      }
    }
    free(os2);
  }
  return ret;
}