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tetex-bin  3.0
Functions
t1load.h File Reference
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Functions

int T1_LoadFont (int FontID)
FONTSIZEDEPST1int_CreateNewFontSize (int FontID, float size, int aa)
FONTSIZEDEPST1int_GetLastFontSize (int FontID)
FONTSIZEDEPST1int_QueryFontSize (int FontID, float size, int aa)

Function Documentation

int T1_LoadFont ( int  FontID)

Definition at line 83 of file t1load.c.

{
  int i, j, k, l, m;
  char *FileName, *FileNamePath;
  int mode;  /* This is used by the type1-library for error reporting */   
  char *charname;
  
  /* The following vars are used for reallocation of VM */
  long tmp_size;
  float ascender;
#ifdef ANSI_REALLOC_VM
  unsigned long shift;
  unsigned long ldummy;
  char *tmp_ptr;
#endif

  struct region *area;
  struct XYspace *S;    

  /* These are for constructing the kerning lookup table: */
  PairKernData *pkd;
  METRICS_ENTRY *kern_tbl;
  int char1, char2;
  
  
  if (T1_CheckForInit()){
    T1_errno=T1ERR_OP_NOT_PERMITTED;
    return(-1);
  }
  

  i=T1_CheckForFontID(FontID);
  if (i==1)
    return(0);      /* Font already loaded */
  if (i==-1){
    T1_errno=T1ERR_INVALID_FONTID;
    return(-1);     /* illegal FontID */
  }
  
  /* Allocate memory for ps_font structure: */
  if ((pFontBase->pFontArray[FontID].pType1Data=(psfont *)malloc(sizeof(psfont)))==NULL){
    T1_PrintLog( "T1_LoadFont()", "Failed to allocate memory for psfont-struct (FontID=%d)",
               T1LOG_ERROR, FontID);
    T1_errno=T1ERR_ALLOC_MEM;
    return(-1);
  }

  /* Check for valid filename */
  if ((FileName=T1_GetFontFileName(FontID))==NULL){
    T1_PrintLog( "T1_LoadFont()", "No font file name for font %d", T1LOG_ERROR, FontID);
    return(-1);
  }
  
  /* Fetch the full path of type1 font file */
  if ((FileNamePath=intT1_Env_GetCompletePath( FileName,
                                    T1_PFAB_ptr))==NULL){
    T1_PrintLog( "T1_LoadFont()", "Couldn't locate font file for font %d in %s",
               T1LOG_ERROR, FontID, T1_GetFileSearchPath(T1_PFAB_PATH));
    T1_errno=T1ERR_FILE_OPEN_ERR;
    return(-1);
  }
  
  /* And load all PostScript information into memory */
  if (fontfcnA( FileNamePath, &mode,
              pFontBase->pFontArray[FontID].pType1Data) == FALSE){
    T1_PrintLog( "T1_LoadFont()", "Loading font with ID = %d failed! (mode = %d)",
               T1LOG_ERROR, FontID, mode);
    free(FileNamePath);
    pFontBase->pFontArray[FontID].pType1Data=NULL;
    T1_errno=mode;
    return(-1);
  }
  free(FileNamePath);

  
  /* Store the base address of virtual memory and realloc in order not
     to waste too much memory: */
  pFontBase->pFontArray[FontID].vm_base=vm_base; 
#ifdef ANSI_REALLOC_VM
  /* We first get the size of pointers on the current system */
  /* Get size of VM, ... */
  tmp_size=((unsigned long)vm_used - (unsigned long)vm_base); 
  /* ... realloc to that size ... */
  tmp_ptr=(char *)realloc(vm_base,  tmp_size); 
  /* ... and shift all pointers refering to that area */
  if (tmp_ptr > vm_base){
    shift= (unsigned long)tmp_ptr - (unsigned long)vm_base;
    sprintf( err_warn_msg_buf,
            "Old VM at 0x%lX, new VM at 0x%lX, shifting up by %lu",
            (unsigned long)vm_base, (unsigned long)tmp_ptr, tmp_size);
    T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);
    
    /* We start by shifting the topmost pointers: */
    pFontBase->pFontArray[FontID].vm_base=tmp_ptr;
    
    ldummy=(long)(pFontBase->pFontArray[FontID].pType1Data->vm_start);
    ldummy +=shift;
    pFontBase->pFontArray[FontID].pType1Data->vm_start=(char *)ldummy;
    
    ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->CharStringsP;
    ldummy +=shift;
    pFontBase->pFontArray[FontID].pType1Data->CharStringsP=(psdict *)ldummy;
    
    ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Private;
    ldummy +=shift;
    pFontBase->pFontArray[FontID].pType1Data->Private=(psdict *)ldummy;
    
    ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP;
    ldummy +=shift;
    pFontBase->pFontArray[FontID].pType1Data->fontInfoP=(psdict *)ldummy;
    
    ldummy=(long)(pFontBase->pFontArray[FontID].pType1Data->BluesP);
    ldummy +=shift;
    pFontBase->pFontArray[FontID].pType1Data->BluesP=(struct blues_struct *)ldummy;
    
    /* We now have to care for correcting all pointers which are in the VM
       and refer to some place in the VM! Note: Instead of selecting the
       appropriate pointer-elements of the union we simply shift the
       unspecified pointer "valueP".
       Note: The filename entry does not need to be modified since it does not
       need to be shifted since it points to memory managed by t1lib.
       */
    /* FontInfo-dictionary: All name-pointers and the pointers to all array
       types have to be shifted: */
    i=pFontBase->pFontArray[FontID].pType1Data->fontInfoP[0].key.len;
    for (j=1; j<=i; j++){
      if ((pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_ARRAY) ||
         (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_STRING) ||
         (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_NAME) ||
         (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_FILE)){
       ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.valueP;
       ldummy +=shift;
       pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.valueP=(char *)ldummy;
      }
      /* The encoding needs special treatment: */
      if (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_ENCODING){
       /* If a builtin encoding is used, it is sufficient to shift the pointer
          to the Encoding since the character-namestrings of builtin encodings
          are static and thus located on the heap.
          For font-specific encoding, character-namestrings reside in VM and
          thus each entry has to be shifted. 
          Caution: We still have to shift the builtin encoding-pointer, since
          they also point to are located in VM: */
       ldummy=(long)StdEncArrayP;
       ldummy +=shift;
       StdEncArrayP=(psobj *)ldummy;
       ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.valueP;
       ldummy +=shift;
       pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.valueP=(char *)ldummy;
       if (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.arrayP
           == StdEncArrayP){ /* Font uses builtin standard encoding */
         ;
       } 
       else{ /* Font-specific encoding */ 
         for (k=0; k<256; k++){
           ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.arrayP[k].data.arrayP;
           /* The ".notdef" is also static and may not be shifted (Thanks, Derek ;) */
           if (ldummy != (unsigned long)not_def) {
             ldummy +=shift;
             pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.arrayP[k].data.arrayP=(struct ps_obj *)ldummy;
           }
         }
       }
      } /* end of encoding-handling */
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].key.data.valueP;
      ldummy +=shift;
      pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].key.data.valueP=(char *)ldummy;
    } /* fontinfo-dict done */
    
    /* Private-dictionary: All name-pointers and the pointers to all array
       types have to be shifted: */
    i=pFontBase->pFontArray[FontID].pType1Data->Private[0].key.len;
    for (j=1; j<=i; j++){
      if ((pFontBase->pFontArray[FontID].pType1Data->Private[j].value.type==OBJ_ARRAY) ||
         (pFontBase->pFontArray[FontID].pType1Data->Private[j].value.type==OBJ_STRING) ||
         (pFontBase->pFontArray[FontID].pType1Data->Private[j].value.type==OBJ_NAME) ||
         (pFontBase->pFontArray[FontID].pType1Data->Private[j].value.type==OBJ_FILE)){
       ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Private[j].value.data.valueP;
       ldummy +=shift;
       pFontBase->pFontArray[FontID].pType1Data->Private[j].value.data.valueP=(char *)ldummy;
      }
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Private[j].key.data.valueP;
      ldummy +=shift;
      pFontBase->pFontArray[FontID].pType1Data->Private[j].key.data.valueP=(char *)ldummy;
    }
    
    /* BluesP: The entry "next" is the only pointer in blues_struct. Although it is
       not used anywhere we should shift it for correctness reasons (in case its not
       NULL)! */
    if (pFontBase->pFontArray[FontID].pType1Data->BluesP->next != NULL){
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->BluesP->next;
      ldummy +=shift;
      pFontBase->pFontArray[FontID].pType1Data->BluesP->next=(struct blues_struct *)ldummy;
    }
    
    /* The CharStrings-dictionary: Every namepointer and its corresponding
       charstring has to be shifted: */
    i=pFontBase->pFontArray[FontID].pType1Data->CharStringsP[0].key.len;
    for (j=1; j<=i; j++){
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->CharStringsP[j].value.data.valueP;
      ldummy +=shift;
      pFontBase->pFontArray[FontID].pType1Data->CharStringsP[j].value.data.valueP=(char *)ldummy;
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->CharStringsP[j].key.data.valueP;
      ldummy +=shift;
      pFontBase->pFontArray[FontID].pType1Data->CharStringsP[j].key.data.valueP=(char *)ldummy;
    }
    
    /* The Subroutines have also to be reorganized: */
    i=pFontBase->pFontArray[FontID].pType1Data->Subrs.len;
    /* First, shift pointer to array-start and after that the pointers to
       each command string: */
    ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Subrs.data.arrayP;
    ldummy +=shift;
    pFontBase->pFontArray[FontID].pType1Data->Subrs.data.arrayP=(struct ps_obj *)ldummy;
    for (j=0; j<i; j++) {
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Subrs.data.arrayP[j].data.valueP;
      ldummy +=shift;
      pFontBase->pFontArray[FontID].pType1Data->Subrs.data.arrayP[j].data.valueP=(char *)ldummy;
    }
  } /* end of if( tmp_ptr > vm_base ) */
  else if ( vm_base > tmp_ptr){
    shift= (unsigned long)vm_base - (unsigned long)tmp_ptr;
    sprintf( err_warn_msg_buf,
            "Old VM at 0x%lX, new VM at 0x%lX, shifting down by %lu",
            (unsigned long)vm_base, (unsigned long)tmp_ptr, tmp_size);
    T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);
    
    /* We start by shifting the topmost pointers: */
    pFontBase->pFontArray[FontID].vm_base=tmp_ptr;
    
    ldummy=(long)(pFontBase->pFontArray[FontID].pType1Data->vm_start);
    ldummy -=shift;
    pFontBase->pFontArray[FontID].pType1Data->vm_start=(char *)ldummy;
    
    ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->CharStringsP;
    ldummy -=shift;
    pFontBase->pFontArray[FontID].pType1Data->CharStringsP=(psdict *)ldummy;
    
    ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Private;
    ldummy -=shift;
    pFontBase->pFontArray[FontID].pType1Data->Private=(psdict *)ldummy;
    
    ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP;
    ldummy -=shift;
    pFontBase->pFontArray[FontID].pType1Data->fontInfoP=(psdict *)ldummy;
    
    ldummy=(long)(pFontBase->pFontArray[FontID].pType1Data->BluesP);
    ldummy -=shift;
    pFontBase->pFontArray[FontID].pType1Data->BluesP=(struct blues_struct *)ldummy;
    
    /* We now have to care for correcting all pointers which are in the VM
       and refer to some place in the VM! Note: Instead of selecting the
       appropriate pointer-elements of the union we simply shift the
       unspecified pointer "valueP".
       Note: The filename entry does not need to be modified since it does not
       need to be shifted since it points to memory managed by t1lib.
       */
    /* FontInfo-dictionary: All name-pointers and the pointers to all array
       types have to be shifted: */
    i=pFontBase->pFontArray[FontID].pType1Data->fontInfoP[0].key.len;
    for (j=1; j<=i; j++){
      if ((pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_ARRAY) ||
         (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_STRING) ||
         (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_NAME) ||
         (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_FILE)){
       ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.valueP;
       ldummy -=shift;
       pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.valueP=(char *)ldummy;
      }
      /* The encoding needs special treatment: */
      if (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.type==OBJ_ENCODING){
       /* If a builtin encoding is used, it is sufficient to shift the pointer
          to the Encoding since the character-namestrings of builtin encodings
          are static and thus located on the heap.
          For font-specific encoding, character-namestrings reside in VM and
          thus each entry has to be shifted. 
          Caution: We still have to shift the builtin encoding-pointer, since
          they also point to are located in VM: */
       ldummy=(long)StdEncArrayP;
       ldummy -=shift;
       StdEncArrayP=(psobj *)ldummy;
       ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.valueP;
       ldummy -=shift;
       pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.valueP=(char *)ldummy;
       if (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.arrayP
            == StdEncArrayP){ /* Font uses builtin encoding */
         ;
       } 
       else{ /* Font-specific encoding */ 
         for (k=0; k<256; k++){
           ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.arrayP[k].data.arrayP;
           /* The ".notdef" is also static and may not be shifted (Thanks, Derek ;) */
           if (ldummy != (unsigned long)not_def) {
             ldummy -=shift;
             pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].value.data.arrayP[k].data.arrayP=(struct ps_obj *)ldummy;
           }
         }
       }
      } /* end of encoding-handling */
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].key.data.valueP;
      ldummy -=shift;
      pFontBase->pFontArray[FontID].pType1Data->fontInfoP[j].key.data.valueP=(char *)ldummy;
    } /* fontinfo-dict done */
    
    /* Private-dictionary: All name-pointers and the pointers to all array
       types have to be shifted: */
    i=pFontBase->pFontArray[FontID].pType1Data->Private[0].key.len;
    for (j=1; j<=i; j++){
      if ((pFontBase->pFontArray[FontID].pType1Data->Private[j].value.type==OBJ_ARRAY) ||
         (pFontBase->pFontArray[FontID].pType1Data->Private[j].value.type==OBJ_STRING) ||
         (pFontBase->pFontArray[FontID].pType1Data->Private[j].value.type==OBJ_NAME) ||
         (pFontBase->pFontArray[FontID].pType1Data->Private[j].value.type==OBJ_FILE)){
       ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Private[j].value.data.valueP;
       ldummy -=shift;
       pFontBase->pFontArray[FontID].pType1Data->Private[j].value.data.valueP=(char *)ldummy;
      }
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Private[j].key.data.valueP;
      ldummy -=shift;
      pFontBase->pFontArray[FontID].pType1Data->Private[j].key.data.valueP=(char *)ldummy;
    }
    
    /* BluesP: The entry "next" is the only pointer in blues_struct. Although it is
       not used anywhere we should shift it for correctness reasons (in case its not
       NULL)! */
    if (pFontBase->pFontArray[FontID].pType1Data->BluesP->next != NULL){
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->BluesP->next;
      ldummy -=shift;
      pFontBase->pFontArray[FontID].pType1Data->BluesP->next=(struct blues_struct *)ldummy;
    }
    
    /* The CharStrings-dictionary: Every namepointer and its corresponding
       charstring has to be shifted: */
    i=pFontBase->pFontArray[FontID].pType1Data->CharStringsP[0].key.len;
    for (j=1; j<=i; j++){
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->CharStringsP[j].value.data.valueP;
      ldummy -=shift;
      pFontBase->pFontArray[FontID].pType1Data->CharStringsP[j].value.data.valueP=(char *)ldummy;
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->CharStringsP[j].key.data.valueP;
      ldummy -=shift;
      pFontBase->pFontArray[FontID].pType1Data->CharStringsP[j].key.data.valueP=(char *)ldummy;
    }
    
    /* The Subroutines have also to be reorganized: */
    i=pFontBase->pFontArray[FontID].pType1Data->Subrs.len;
    /* First, shift pointer to array-start and after that the pointers to
       each command string: */
    ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Subrs.data.arrayP;
    ldummy -=shift;
    pFontBase->pFontArray[FontID].pType1Data->Subrs.data.arrayP=(struct ps_obj *)ldummy;
    for (j=0; j<i; j++) {
      ldummy=(long)pFontBase->pFontArray[FontID].pType1Data->Subrs.data.arrayP[j].data.valueP;
      ldummy -=shift;
      pFontBase->pFontArray[FontID].pType1Data->Subrs.data.arrayP[j].data.valueP=(char *)ldummy;
    }
  } /* end of if( vm_base > tmp_ptr ) */
  else{ /* VM addess has not changed during reallocation */
    sprintf( err_warn_msg_buf,
            "Old VM and new VM at 0x%lX, no pointer-shifting",
            (unsigned long)vm_base);
    T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);
  }
#endif
    
  /* Generate a message how much VM the current font consumes */
  sprintf( err_warn_msg_buf,
          "VM for Font %d: %d bytes", FontID, (int) tmp_size);
  T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_STATISTIC);

  
  /* Set the matrix for common transformations to "no transformations" */
  pFontBase->pFontArray[FontID].FontTransform[0]=1.0;
  pFontBase->pFontArray[FontID].FontTransform[1]=0.0;
  pFontBase->pFontArray[FontID].FontTransform[2]=0.0;
  pFontBase->pFontArray[FontID].FontTransform[3]=1.0;

  /* Now, that the font has been loaded into memory, try to find the
     FontMatrix in the font info dictionary. If it exists, load it into
     our local fontmatrix, otherwise use a default matrix which scales to
     1/1000 (since font outlines  are defined in a 1000 point space)
     and does no further transformations. */
  if (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[FONTMATRIX].value.data.arrayP == NULL){
    pFontBase->pFontArray[FontID].FontMatrix[0]=0.001;
    pFontBase->pFontArray[FontID].FontMatrix[1]=0.0;
    pFontBase->pFontArray[FontID].FontMatrix[2]=0.0;
    pFontBase->pFontArray[FontID].FontMatrix[3]=0.001;
  }
  else{
    pFontBase->pFontArray[FontID].FontMatrix[0]= (double)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[FONTMATRIX].value.data.arrayP[0].data.real;
    pFontBase->pFontArray[FontID].FontMatrix[1]= (double)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[FONTMATRIX].value.data.arrayP[1].data.real;
    pFontBase->pFontArray[FontID].FontMatrix[2]= (double)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[FONTMATRIX].value.data.arrayP[2].data.real;
    pFontBase->pFontArray[FontID].FontMatrix[3]= (double)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[FONTMATRIX].value.data.arrayP[3].data.real;
  }

  /* Set the default values for transformation: */
  pFontBase->pFontArray[FontID].slant=0.0;
  pFontBase->pFontArray[FontID].extend=1.0;

  
  /* Now try to load afm-structures from corresponding .afm-file (if
     not suppressed by the user). */
  if ((pFontBase->t1lib_flags & T1_NO_AFM)!=0) {
    pFontBase->pFontArray[FontID].pAFMData = NULL;
    T1_PrintLog( "T1_LoadFont()",
               "Suppressing AFM data handling on user request",
               T1LOG_STATISTIC);
  }
  else {
    if ((i=openFontMetricsFile( FontID, 0))){
      /* Try a fallback, opening sloppy: */
      if ((i=openFontMetricsFile( FontID, 1))) {
       sprintf( err_warn_msg_buf,
               "Alert: Error (%d) sloppy-processing afm-file for Font %d!",
               i ,FontID);
       T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_STATISTIC);
       if ((pFontBase->pFontArray[FontID].pAFMData=
            T1_GenerateAFMFallbackInfo(FontID))==NULL){
         sprintf( err_warn_msg_buf,
                 "Ultimately failed to generate metrics information Font %d!",
                 FontID);
         T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_WARNING);
       }
       else {
         pFontBase->pFontArray[FontID].info_flags |=AFM_SELFGEN_SUCCESS;
         T1_PrintLog( "T1_LoadFont()",
                     "Generating AFM-information from fontfile successful!",
                     T1LOG_STATISTIC);
       }
      }
      else {
       pFontBase->pFontArray[FontID].info_flags |=AFM_SLOPPY_SUCCESS;
       sprintf( err_warn_msg_buf,
               "Alert: Limited afm-information for Font %d",FontID);
       T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_STATISTIC);
      } 
    }
    else {
      pFontBase->pFontArray[FontID].info_flags |=AFM_SUCCESS;
    }
  }
  
  
  /* Now, set Encodingvector entry to default if the font's
     internal encoding is "StandardEncoding".
     */
  if (pFontBase->pFontArray[FontID].pType1Data->fontInfoP[ENCODING].value.data.arrayP
      == StdEncArrayP) {
    pFontBase->pFontArray[FontID].info_flags |=USES_STANDARD_ENCODING;
    pFontBase->pFontArray[FontID].pFontEnc=pFontBase->default_enc;
    sprintf( err_warn_msg_buf,
            "Font %d reencoded to default",FontID);
    T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);
  }
  else {
    sprintf( err_warn_msg_buf,
            "Font %d not reencoded to default",FontID);
    T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);
    pFontBase->pFontArray[FontID].pFontEnc = NULL;
  }

  
  /* If AFM-Info available we try to speed up some things: */
  if (pFontBase->pFontArray[FontID].pAFMData != NULL) {
    /* We have to fill the array that maps the current encodings' indices to the
       indices used in afm file. The interpretation has been changed in
       in t1lib-1.2. We now use positive values for indexing into the charmetrics
       array and negative values for indexing into the composite character array.
       an index of zero indicates that no metrics are defined for this character.
       This may happen because (a) not all AFM-files define metrics for the .notdef
       character, and (b) because font and AFM-file do not match. */
    if ((pFontBase->pFontArray[FontID].pEncMap=
        (int *)calloc(256,sizeof(int)))==NULL) {
      sprintf( err_warn_msg_buf, "Error allocating memory for encoding map (FontID=%d)",
              FontID);
      T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf,
               T1LOG_WARNING);
      T1_errno=T1ERR_ALLOC_MEM;
      return(-1);
    }
    for (i=0; i<256; i++) {
      charname=T1_GetCharName( FontID, i);
      /* in a first loop check for ordinary characters */
      for ( j=0; j<pFontBase->pFontArray[FontID].pAFMData->numOfChars; j++) {
       if (strcmp( charname,
                  pFontBase->pFontArray[FontID].pAFMData->cmi[j].name)==0) {
         pFontBase->pFontArray[FontID].pEncMap[i]=j+1; /* index 0 is reserved! */
         continue;
       }
      }
      /* if nothing has been found, check for composite characters */ 
      for ( j=0; j<pFontBase->pFontArray[FontID].pAFMData->numOfComps; j++) {
       if (strcmp( charname,
                  pFontBase->pFontArray[FontID].pAFMData->ccd[j].ccName)==0) {
         pFontBase->pFontArray[FontID].pEncMap[i]=-(j+1); /* index 0 is reserved! */
         continue;
       }
      }
    }
    
    /* For composite characters, we still have to compute the width and bbox */
    for ( j=0; j<pFontBase->pFontArray[FontID].pAFMData->numOfComps; j++) {
      /*and bounding box by ourselves. First, set up an identity charspace
       matrix and then generate an edgelist for the composite character at
       size 1000bp using no transformation and current encoding. Note: This
       action is only required when loading a font at first time, but not
       when reencoding a font. */
      S=(struct XYspace *)IDENTITY;
      S=(struct XYspace *)Permanent
       (Transform(S, pFontBase->pFontArray[FontID].FontTransform[0],
                 pFontBase->pFontArray[FontID].FontTransform[1],
                 pFontBase->pFontArray[FontID].FontTransform[2],
                 pFontBase->pFontArray[FontID].FontTransform[3]));
      
      area=fontfcnB_ByName( FontID, 0, S,
                         pFontBase->pFontArray[FontID].pAFMData->ccd[j].ccName,
                         &mode, pFontBase->pFontArray[FontID].pType1Data,
                         DO_RASTER);
      /* Store bounding box ... */
      pFontBase->pFontArray[FontID].pAFMData->ccd[j].charBBox.llx=area->xmin;
      pFontBase->pFontArray[FontID].pAFMData->ccd[j].charBBox.urx=area->xmax;
      pFontBase->pFontArray[FontID].pAFMData->ccd[j].charBBox.lly=area->ymin;
      pFontBase->pFontArray[FontID].pAFMData->ccd[j].charBBox.ury=area->ymax;
      /* ... and character width. This should be the width of the base character
        of the composite! */
      pFontBase->pFontArray[FontID].pAFMData->ccd[j].wx=NEARESTPEL(area->ending.x);
      /* clean up. */
      KillRegion (area);
      if (S!=NULL) {
       KillSpace (S);
       S=NULL;
      }
    }
    /* We now create an encoding-specific kerning table which will speed up
       looking for kerning pairs! */
    pFontBase->pFontArray[FontID].KernMapSize=0;
    /* First, get number of defined kerning pairs: */
    k=pFontBase->pFontArray[FontID].pAFMData->numOfPairs;
    if (k>0){ /* i.e., there are any pairs */
      /* OK, it does not suffice to alloc numOfPairs METRICS_ENTRYs, because
        a given character might be encoded at several locations and kerning
        should still work. As a worst case estimation, we allocate 256^2
        and realloc later. */ 
      if ((pFontBase->pFontArray[FontID].pKernMap=
          (METRICS_ENTRY *)malloc( (256*256) *sizeof( METRICS_ENTRY)))==NULL){
       sprintf( err_warn_msg_buf, "Error allocating memory for metrics map (FontID=%d)",
               FontID);
       T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf,
                   T1LOG_WARNING);
       T1_errno=T1ERR_ALLOC_MEM;
       return(-1);
      }
      kern_tbl=pFontBase->pFontArray[FontID].pKernMap;
      pkd=pFontBase->pFontArray[FontID].pAFMData->pkd;
      j=0;
      for ( i=0; i<k; i++) {
       /* We do not check T1_GetEncodingIndices() against the return value
          NULL because we just loading the font in question: */
       l=0;
       while ((char1=(T1_GetEncodingIndices( FontID, pkd[i].name1))[l++])!=-1) {
         /* pair could be relevant in current encoding */
         m=0;
         while ((char2=(T1_GetEncodingIndices( FontID, pkd[i].name2))[m++])!=-1) {
           /* Since we get here we have a relevant pair -->
              Put char1 in higher byte and char2 in LSB: */
           kern_tbl[j].chars=(char1 << 8) | char2;
           /* We only make use of horizontal kerning */
           kern_tbl[j].hkern=pkd[i].xamt;
           j++;
         } /* while (char2) */
       } /* while (char1) */
      } /* for */
      /* We are done, realloc memory: */
      kern_tbl=(METRICS_ENTRY*) realloc( kern_tbl, j*sizeof(METRICS_ENTRY));
      /* We now sort the kerning array with respect to char indices */
      qsort( kern_tbl, (size_t) j, sizeof(METRICS_ENTRY),
            &cmp_METRICS_ENTRY );
      /* Finally write back pointer for the case that realloc changed the
        pointer */
      pFontBase->pFontArray[FontID].pKernMap=kern_tbl;
      pFontBase->pFontArray[FontID].KernMapSize=j;
    }
    else
      pFontBase->pFontArray[FontID].pKernMap=NULL;
  }
  else { /* no AFM data */
    pFontBase->pFontArray[FontID].pKernMap=NULL;
    pFontBase->pFontArray[FontID].pEncMap=NULL;
  }
  /* End of "if (AFM-info ..)" */
  
  
  /* We have just loaded a physical font into memory, thus .... */
  pFontBase->pFontArray[FontID].physical=1;

  /* Set reference-counter to 1: */
  pFontBase->pFontArray[FontID].refcount=1;

  /* Get the index into encoding vector where the space character is
     found. If not encoded, set space_position to -1. */
  pFontBase->pFontArray[FontID].space_position=-1;
  i=0;
  if (pFontBase->pFontArray[FontID].pFontEnc) { /* external default encoding */
    while (i<256) {
      if (strcmp( (char *)pFontBase->pFontArray[FontID].pFontEnc[i],
                "space")==0){
       /* space found at position i: */
       pFontBase->pFontArray[FontID].space_position=i;
       break;
      }
      i++;
    }
  }
  else { /* internal encoding */
    while (i<256) {
      if (strcmp( (char *)pFontBase->pFontArray[FontID].pType1Data->fontInfoP[ENCODING].value.data.arrayP[i].data.arrayP,
                "space")==0){
       /* space found at position i: */
       pFontBase->pFontArray[FontID].space_position=i;
       break;
      }
      i++;
    }
  }
  

  /* Set the lining rule parameters to default values */
  pFontBase->pFontArray[FontID].UndrLnPos=
    pFontBase->pFontArray[FontID].pType1Data->fontInfoP[UNDERLINEPOSITION].value.data.real;
  pFontBase->pFontArray[FontID].UndrLnThick=
    pFontBase->pFontArray[FontID].pType1Data->fontInfoP[UNDERLINETHICKNESS].value.data.real;

  /* We have to set the value for the typographic ascender. If possible,
     we get it from the afm-File. But be aware this value might be undefined!
     This value should in any acse explicitly be set later by the user! */
  if (pFontBase->pFontArray[FontID].pAFMData!=NULL &&
      pFontBase->pFontArray[FontID].pAFMData->gfi!=NULL) {
    ascender=(float) pFontBase->pFontArray[FontID].pAFMData->gfi->ascender;
  }
  else {
    ascender=(float) T1_GetCharBBox( FontID, T1_GetEncodingIndex( FontID, "d")).ury;
  }
  
  pFontBase->pFontArray[FontID].OvrLnPos=ascender
    + (float) abs( (double)pFontBase->pFontArray[FontID].UndrLnPos);
  pFontBase->pFontArray[FontID].OvrStrkPos=ascender / 2.0;
  pFontBase->pFontArray[FontID].OvrLnThick=pFontBase->pFontArray[FontID].UndrLnThick;
  pFontBase->pFontArray[FontID].OvrStrkThick=pFontBase->pFontArray[FontID].UndrLnThick;

  
  /* Finally, set the font size dependencies pointer to NULL since we can
     assume, that at load time of a font, no size specific data of this
     font is available.
     */
  
  pFontBase->pFontArray[FontID].pFontSizeDeps=NULL;

  /* If wanted, some debugging information is put into logfile */
  sprintf( err_warn_msg_buf, "Pointer vm_base: 0x%lX",
          (long)pFontBase->pFontArray[FontID].vm_base);
  T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);
  sprintf( err_warn_msg_buf, "Pointer vm_start: 0x%lX",
          (long)pFontBase->pFontArray[FontID].pType1Data->vm_start);
  T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);
  sprintf( err_warn_msg_buf, "Pointer CharStringsP: 0x%lX",
          (long)pFontBase->pFontArray[FontID].pType1Data->CharStringsP);
  T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);
  sprintf( err_warn_msg_buf, "Pointer Private: 0x%lX",
          (long)pFontBase->pFontArray[FontID].pType1Data->Private);
  T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);
  sprintf( err_warn_msg_buf, "Pointer fontInfoP: 0x%lX",
          (long)pFontBase->pFontArray[FontID].pType1Data->fontInfoP);
  T1_PrintLog( "T1_LoadFont()", err_warn_msg_buf, T1LOG_DEBUG);

  return(0);
}

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FONTSIZEDEPS* T1int_CreateNewFontSize ( int  FontID,
float  size,
int  aa 
)

Definition at line 872 of file t1load.c.

{

  FONTSIZEDEPS *pFontSizeDeps, *pPrev;
  

  /* First, get to the last font size in the linked list for this font.
     The following routine returns the address of the last struct in the
     linked list of FONTSIZEDEPS or NULL if none exists. */
  pFontSizeDeps=T1int_GetLastFontSize( FontID);
  pPrev=pFontSizeDeps;
  
  
  if (pFontSizeDeps==NULL){
    /* Allocate memory for first FontSizeDeps-structure: */
    if ((pFontBase->pFontArray[FontID].pFontSizeDeps=(FONTSIZEDEPS *)malloc(sizeof(FONTSIZEDEPS)))==NULL){
      T1_errno=T1ERR_ALLOC_MEM;
      return(NULL);
    }
    pFontSizeDeps=pFontBase->pFontArray[FontID].pFontSizeDeps;
  }
  else{
    /* A valid address of an existing structure was found */
    if ((pFontSizeDeps->pNextFontSizeDeps=(FONTSIZEDEPS *)malloc(sizeof(FONTSIZEDEPS)))==NULL){
      T1_errno=T1ERR_ALLOC_MEM;
      return(NULL);
    }
    pFontSizeDeps=pFontSizeDeps->pNextFontSizeDeps;
  }

  /* The pointer to the previous struct */
  pFontSizeDeps->pPrevFontSizeDeps=pPrev;
  /* Put the size into this structure */
  pFontSizeDeps->size=size;
  /* Set the antialias mark: */
  pFontSizeDeps->antialias=aa;
  
  /* Just the current becomes now the last item in the linked list: */
  pFontSizeDeps->pNextFontSizeDeps=NULL;
  /* Setup CharSpaceMatrix for this font: */
  pFontSizeDeps->pCharSpaceLocal=(struct XYspace *) IDENTITY;
  /* Apply transformation with font matrix: */
  pFontSizeDeps->pCharSpaceLocal=(struct XYspace *)
    Transform(pFontSizeDeps->pCharSpaceLocal,
             pFontBase->pFontArray[FontID].FontMatrix[0],
             pFontBase->pFontArray[FontID].FontMatrix[1],
             pFontBase->pFontArray[FontID].FontMatrix[2],
             pFontBase->pFontArray[FontID].FontMatrix[3]);
  /* Apply a further transformation (optionally): */
  pFontSizeDeps->pCharSpaceLocal=(struct XYspace *)
    Transform(pFontSizeDeps->pCharSpaceLocal,
             pFontBase->pFontArray[FontID].FontTransform[0],
             pFontBase->pFontArray[FontID].FontTransform[1],
             pFontBase->pFontArray[FontID].FontTransform[2],
             pFontBase->pFontArray[FontID].FontTransform[3]);
  /* Apply desired scaling factor, and make it Permanent */
  pFontSizeDeps->pCharSpaceLocal=(struct XYspace *) Permanent
    (Scale(pFontSizeDeps->pCharSpaceLocal, size, size));
                                                  
  /* We should now allocate memory for the glyph area of the font
     cache: */
  if ((pFontSizeDeps->pFontCache=(GLYPH *)calloc(256,sizeof(GLYPH)))
      ==NULL)
    return(NULL);

  sprintf( err_warn_msg_buf, "New Size %f created for FontID %d (antialias=%d)",
          pFontSizeDeps->size, FontID, pFontSizeDeps->antialias);
  T1_PrintLog( "CreateNewFontSize()", err_warn_msg_buf, T1LOG_STATISTIC);
  /* We are done */
  return(pFontSizeDeps);
  
}

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Definition at line 979 of file t1load.c.

{
  FONTSIZEDEPS *link_ptr, *result_ptr;
  

  /* There's not yet one size: */
  if (pFontBase->pFontArray[FontID].pFontSizeDeps == NULL)
    return((FONTSIZEDEPS *) (pFontBase->pFontArray[FontID].pFontSizeDeps));
  
  
  /* There's already existing one or more size */
  link_ptr=pFontBase->pFontArray[FontID].pFontSizeDeps;
  
  while (link_ptr != NULL){
    result_ptr=link_ptr;
    link_ptr=link_ptr->pNextFontSizeDeps;
  }

  return((FONTSIZEDEPS *)(result_ptr));
}

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FONTSIZEDEPS* T1int_QueryFontSize ( int  FontID,
float  size,
int  aa 
)

Definition at line 951 of file t1load.c.

{
  
  FONTSIZEDEPS *link_ptr;


  /* There's not yet one size: */
  if (pFontBase->pFontArray[FontID].pFontSizeDeps == NULL)
    return(pFontBase->pFontArray[FontID].pFontSizeDeps);
  

  /* There's already existing one or more size */
  link_ptr=pFontBase->pFontArray[FontID].pFontSizeDeps;
  
  while (((link_ptr->size != size)||(link_ptr->antialias != aa))
        &&(link_ptr->pNextFontSizeDeps != NULL))
    link_ptr=link_ptr->pNextFontSizeDeps;
  
  if ((link_ptr->size != size)||(link_ptr->antialias != aa))
    return( NULL);     /* requested size/aa-combination  was not found */
  else
    return(link_ptr); /* return pointer to requested struct */
  
}

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