268 lines
7.2 KiB
C
268 lines
7.2 KiB
C
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/***
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**
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** Module: TItoTT
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**
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** Description:
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** This is the main module of the Postscript Type I to TrueType
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** font converter.
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**
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** Author: Michael Jansson
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** Created: 5/26/93
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**
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***/
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/***** INCLUDES */
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#include <string.h>
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#include "types.h"
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#include "safemem.h"
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#include "metrics.h"
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#include "titott.h"
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#include "t1parser.h"
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#include "builder.h"
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#include "trans.h"
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/***** LOCAL TYPES */
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/*-none-*/
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/***** CONSTANTS */
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#define NOTDEFNAME ".notdef"
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static const struct TTGlyph null = {
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NULL,
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0, 0, 0, NULL,
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NULL,
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0, 0
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};
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static Point mpo3[] = {
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{1150, 10}, {1150, 30}, {1160, 30}, {1170, 20}, {1180, 30}, {1190, 30},
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{1190, 10}, {1180, 10}, {1180, 20}, {1170, 10}, {1160, 20}, {1160, 10}
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};
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static Point mpo2[] = {
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{60, 40}, {60, 1560}, {1160, 1560}, {1160, 40}
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};
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static Point mpo1[] = {
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{20, 0}, {1200, 0}, {1200, 1600}, {20, 1600}
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};
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static ULONG onoff[1] = {0L};
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static Outline p1 = {
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NULL,
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sizeof(mpo3)/sizeof(mpo3[0]),
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&mpo3[0],
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&onoff[0]
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};
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static Outline p2 = {
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&p1,
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sizeof(mpo2)/sizeof(mpo2[0]),
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&mpo2[0],
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&onoff[0]
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};
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static Outline missingPath = {
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&p2,
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sizeof(mpo1)/sizeof(mpo1[0]),
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&mpo1[0],
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&onoff[0]
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};
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static struct TTGlyph missing = {
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NULL,
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MAXNOTDEFSIZE, 0, 0, NULL,
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&missingPath,
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1500, 0
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};
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/***** MACROS */
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/*-none-*/
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/***** GLOBALS */
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/*-none-*/
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/***** STATIC FUNCTIONS */
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/*-none-*/
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/**** FUNCTIONS */
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/***
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** Function: ConvertT1toTT
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**
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** Description:
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** Convert a T1 font into a TT font file.
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***/
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errcode ConvertT1toTT(const struct TTArg *ttArg,
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const struct T1Arg *t1Arg,
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const short (*check)(const char *copyright,
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const char *notice,
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const char *facename),
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struct callProgress *cp)
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{
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/* Resources */
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struct T1Handle *t1 = NULL;
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struct TTHandle *tt = NULL;
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struct T1Metrics *t1m = NULL;
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/* Temporary variables. */
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struct T1Glyph glyph;
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struct TTGlyph *ttglyph;
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struct Composite *comp;
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struct TTComposite ttcomp;
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struct TTMetrics ttm;
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boolean fStdEncoding;
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boolean done;
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errcode status;
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/* Initiate variables. */
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ttglyph = NULL;
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memset(&glyph, '\0', sizeof(glyph));
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memset(&ttm, '\0', sizeof(ttm));
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/* Inititate input and output */
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if ((status = InitT1Input(t1Arg, &t1, &t1m, check))==SUCCESS &&
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(status = InitTTOutput(ttArg, &tt))==SUCCESS) {
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done = FALSE;
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fStdEncoding = (CurrentEncoding(t1m)==NULL);
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/* Create the missing and the null glyph. */
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if ((missing.hints = Malloc(MAXNOTDEFSIZE))==NULL) {
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status = NOMEM;
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done = TRUE;
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} else {
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memset(missing.hints, 0x22, MAXNOTDEFSIZE);
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(void)PutTTGlyph(tt, &missing, fStdEncoding);
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(void)PutTTGlyph(tt, &null, fStdEncoding);
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Free(missing.hints);
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}
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/* Convert the simple glyphs. */
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while(!done) {
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status = GetT1Glyph(t1, &glyph, t1Arg->filter);
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if (status == SUCCESS) {
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if ((status = ConvertGlyph(t1m,
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&glyph,
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&ttglyph,
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(int)ttArg->precision))!=SUCCESS ||
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(status = PutTTGlyph(tt, ttglyph, fStdEncoding))!=SUCCESS) {
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done = TRUE;
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} else {
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FreeTTGlyph(ttglyph);
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ttglyph=NULL;
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if (cp)
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cp->cb((short)0, &glyph, cp->arg);
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}
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} else if (status<=FAILURE || status==DONE) {
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done = TRUE;
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} else {
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/* Handle the missing glyph ".notdef" */
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if (!strcmp(glyph.name, NOTDEFNAME)) {
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if ((status = ConvertGlyph(t1m,
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&glyph,
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&ttglyph,
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(int)ttArg->precision))!=SUCCESS ||
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(status = PutTTNotDefGlyph(tt, ttglyph))!=SUCCESS) {
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done = TRUE;
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} else {
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FreeTTGlyph(ttglyph);
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ttglyph=NULL;
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if (cp)
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cp->cb((short)0, &glyph, cp->arg);
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}
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}
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}
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FreeT1Glyph(&glyph);
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}
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if (status==DONE) {
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/* Convert the composite glyphs. */
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while ((comp = GetT1Composite(t1))!=NULL) {
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/* Check if the base glyph is converted */
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if ((status = GetT1BaseGlyph(t1, comp, &glyph))==SUCCESS) {
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if ((status = ConvertGlyph(t1m,
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&glyph,
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&ttglyph,
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(int)ttArg->precision))!=SUCCESS ||
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(status = PutTTGlyph(tt, ttglyph, fStdEncoding))!=SUCCESS) {
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break;
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}
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FreeTTGlyph(ttglyph);
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ttglyph=NULL;
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if (cp)
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cp->cb((short)0, &glyph, cp->arg);
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} else if (status<=FAILURE)
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break;
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FreeT1Glyph(&glyph);
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/* Check if the base accent is converted */
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if ((status = GetT1AccentGlyph(t1, comp, &glyph))==SUCCESS) {
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if ((status = ConvertGlyph(t1m,
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&glyph,
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&ttglyph,
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(int)ttArg->precision))!=SUCCESS ||
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(status = PutTTGlyph(tt, ttglyph, fStdEncoding))!=SUCCESS) {
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break;
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}
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FreeTTGlyph(ttglyph);
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ttglyph=NULL;
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if (cp)
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cp->cb((short)0, &glyph, cp->arg);
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} else if (status<=FAILURE)
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break;
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FreeT1Glyph(&glyph);
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/* Convert and store accented glyph. */
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if (status>=SUCCESS &&
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((status = ConvertComposite(t1m, comp, &ttcomp))!=SUCCESS ||
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(status = PutTTComposite(tt, &ttcomp))!=SUCCESS)) {
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break;
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}
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if (cp)
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cp->cb((short)1, &comp, cp->arg);
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}
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/* Flush out un-used work space. */
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FlushWorkspace(t1);
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/* Convert the metrics. */
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if (status==SUCCESS || status==DONE || status==SKIP) {
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if ((status = ReadOtherMetrics(t1m,
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t1Arg->metrics))==SUCCESS &&
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(status = ConvertMetrics(tt, t1m, &ttm,
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ttArg->tag))==SUCCESS) {
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if (cp)
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cp->cb((short)2, NULL, cp->arg);
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status = PutTTOther(tt, &ttm);
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}
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}
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}
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}
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/* More progress. */
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if (cp)
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cp->cb((short)3, NULL, cp->arg);
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FreeTTMetrics(&ttm);
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FreeTTGlyph(ttglyph);
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FreeT1Glyph(&glyph);
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if (CleanUpTT(tt, ttArg, status)!=SUCCESS && status==SUCCESS)
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status = BADINPUTFILE;
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if (CleanUpT1(t1)!=SUCCESS && status==SUCCESS)
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status = BADINPUTFILE;
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/* All done! */
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if (cp)
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cp->cb((short)4, NULL, cp->arg);
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return status;
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}
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