SHORT *ttfMakeSHORT(size_t nelem, FILE *fp)
{
int i;
SHORT *array = XTALLOC (nelem, SHORT);
for (i = 0; i < nelem; i++)
array[i] = ttfGetSHORT (fp);
return array;
}
static void ttfLoadCMAP2(FILE *fp,SubTablePtr subTable,ULONG offset)
{
USHORT * array,i,n = 0;
USHORT numGlyphId;
SubHeaderPtr header;
if (fseek(fp,offset,SEEK_SET) != 0)
ttfError("Fseek Failed in ttfLoadCMAP2 \n");
subTable->map.cmap2 = (CMAP2 *) calloc(1,sizeof(CMAP2));
array = subTable->map.cmap2->subHeaderKeys;
if (fread(array,sizeof(USHORT),256,fp) != 256)
ttfError("Error when getting subHeaderKeys \n");
#ifndef WORDS_BIGENDIAN
TwoByteSwap((unsigned char *) array,256*sizeof(USHORT));
#endif
for (i=0;i<256;i++)
{
array[i] /= 8;
if (n< array[i])
n = array[i]; /* find the max of subHeaderKeys */
}
n += 1; /* the number of subHeaders is one plus the max of subHeaderKeys */
subTable->map.cmap2->subHeaders = header =
(SubHeaderPtr) calloc(n,sizeof(SubHeader));
for (i=0;i<n;i++)
{
(header+i)->firstCode = ttfGetUSHORT(fp);
(header+i)->entryCount = ttfGetUSHORT(fp);
(header+i)->idDelta = ttfGetSHORT(fp);
(header+i)->idRangeOffset = ttfGetUSHORT(fp);
/* it makes things easier to let the offset starts from
* the beginning of glyphIndexArray */
if ((header+i)->idRangeOffset != 0)
(header+i)->idRangeOffset -= (sizeof(USHORT) +
(n-i-1) * sizeof(SubHeader)) ;
}
/* caculate the length of glyphIndexArray, this is ugly, there should be
* a better way to get this information. */
numGlyphId =
subTable->length - (256 + 3) * sizeof(USHORT) - n * sizeof(SubHeader);
numGlyphId /= sizeof(USHORT);
subTable->map.cmap2->glyphIndexArray =
(USHORT *) calloc(numGlyphId,sizeof(USHORT));
for (i=0;i<numGlyphId;i++)
{
subTable->map.cmap2->glyphIndexArray[i] = ttfGetUSHORT(fp);
}
}
FWord ttfGetFWord(FILE *fp)
{
return (FWord) ttfGetSHORT(fp);
}
