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#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "ttf.h"
#include "ttfutil.h"
/* $Id: post.c,v 1.3 1998/06/06 12:55:53 werner Exp $ */
static void ttfLoadPOST(FILE *fp, POSTPtr post, ULONG offset);
void ttfInitPOST(TTFontPtr font)
{
ULONG tag = FT_MAKE_TAG ('p', 'o', 's', 't');
TableDirPtr ptd;
if ((ptd = ttfLookUpTableDir(tag, font)) != NULL)
{
font->post = XCALLOC1 (POST);
ttfLoadPOST(font->fp, font->post, ptd->offset);
}
}
static void ttfLoadPOST(FILE *fp, POSTPtr post, ULONG offset)
{
USHORT i,numGlyphs;
xfseek(fp, offset, SEEK_SET, "ttfLoadPOST");
post->format = ttfGetFixed(fp);
post->italicAngle = ttfGetFixed(fp);
post->underlinePosition = ttfGetFWord(fp);
post->underlineThickness = ttfGetFWord(fp);
post->isFixedPitch = ttfGetULONG(fp);
post->minMemType42 = ttfGetULONG(fp);
post->maxMemType42 = ttfGetULONG(fp);
post->minMemType1 = ttfGetULONG(fp);
post->maxMemType1 = ttfGetULONG(fp);
switch (post->format)
{
case 0x00020000:
post->name.format20 = XCALLOC1 (Format20);
post->name.format20->numGlyphs = numGlyphs = ttfGetUSHORT(fp);
post->name.format20->glyphNameIndex = ttfMakeUSHORT (numGlyphs, fp);
post->name.format20->GlyphName = XCALLOC (numGlyphs, CHAR *);
for (i=0;i<numGlyphs;i++)
{
unsigned char len;
if (post->name.format20->glyphNameIndex[i] <= 257)
{
/* do nothing for standard Mac glyf name */
}
else if (post->name.format20->glyphNameIndex[i] <= 32767)
{
/* non-standard glyf name is stored as a Pascal
* string in the file i.e.
* the first byte is the length of the string
* but the string is not ended with a null
* character */
len = (unsigned char) ttfGetCHAR(fp);
post->name.format20->GlyphName[i] = XTALLOC (len+1, CHAR);
if (len)
fread(post->name.format20->GlyphName[i],
sizeof(CHAR), len, fp);
post->name.format20->GlyphName[i][len] = 0x0;
}
}
break;
case 0x00028000: /* 2.5 in 16.16 format */
/* not implemented yet */
break;
default:
/* do nothing */ ;
}
}
void ttfPrintPOST(FILE *fp,POSTPtr post)
{
int b[2],b1[2];
USHORT i,numGlyphs;
FixedSplit(post->format, b);
FixedSplit(post->italicAngle, b1);
fprintf(fp,"'post' Table - PostScript\n");
fprintf(fp,"-------------------------\n");
fprintf(fp,"\t 'post' format:\t\t %d.%d\n", b[1], b[0]);
fprintf(fp,"\t italicAngle:\t\t %d.%d\n", b1[1], b1[0]);
fprintf(fp,"\t underlinePosition:\t %d\n", post->underlinePosition);
fprintf(fp,"\t underlineThichness:\t %d\n", post->underlineThickness);
fprintf(fp,"\t isFixedPitch:\t\t %ud\n", post->isFixedPitch);
fprintf(fp,"\t minMemType42:\t\t %ud\n", post->minMemType42);
fprintf(fp,"\t maxMemType42:\t\t %ud\n", post->maxMemType42);
fprintf(fp,"\t minMemType1:\t\t %ud\n", post->minMemType1);
fprintf(fp,"\t maxMemType1:\t\t %ud\n", post->maxMemType1);
switch (post->format)
{
case 0x00020000:
numGlyphs = post->name.format20->numGlyphs;
fprintf(fp, "\t Format 2.0: Non-Standard (for PostScript) TrueType Glyph Set.\n");
fprintf(fp,"\t\t numGlyphs:\t %d\n",
post->name.format20->numGlyphs);
for (i=0;i<numGlyphs;i++)
{
if (post->name.format20->glyphNameIndex[i] < 257)
{
fprintf(fp,"\t\t Glyf %3d -> Mac Glyph # %3d\n", i,
post->name.format20->glyphNameIndex[i]);
}
else if (post->name.format20->glyphNameIndex[i] < 32767)
{
fprintf(fp,"\t\t Glyf %3d -> PSGlyf Name # %3d, '%s'\n",
i, post->name.format20->glyphNameIndex[i] - 257,
post->name.format20->GlyphName[i]);
}
}
break;
case 0x00020005:
/* not implemented yet */
break;
default:
/* do nothing */;
}
}
void ttfFreePOST(POSTPtr post)
{
USHORT i, numGlyphs;
switch (post->format)
{
case 0x00020000:
numGlyphs = post->name.format20->numGlyphs;
for (i=0;i<numGlyphs;i++)
{
if (post->name.format20->glyphNameIndex[i] > 257)
free(post->name.format20->GlyphName[i]);
}
free(post->name.format20->glyphNameIndex);
free(post->name.format20->GlyphName);
free(post->name.format20);
break;
case 0x00020005:
/* not implemented yet */
break;
default:
/* do nothing */;
}
free(post);
}
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