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//========================================================================
//
// FoFiType1.cc
//
// Copyright 1999-2003 Glyph & Cog, LLC
//
//========================================================================
#include <aconf.h>
#ifdef USE_GCC_PRAGMAS
#pragma implementation
#endif
#include <stdlib.h>
#include <string.h>
#include "gmem.h"
#include "FoFiEncodings.h"
#include "FoFiType1.h"
//------------------------------------------------------------------------
// FoFiType1
//------------------------------------------------------------------------
FoFiType1 *FoFiType1::make(char *fileA, int lenA) {
return new FoFiType1(fileA, lenA, gFalse);
}
FoFiType1 *FoFiType1::load(char *fileName) {
char *fileA;
int lenA;
if (!(fileA = FoFiBase::readFile(fileName, &lenA))) {
return NULL;
}
return new FoFiType1(fileA, lenA, gTrue);
}
FoFiType1::FoFiType1(char *fileA, int lenA, GBool freeFileDataA):
FoFiBase(fileA, lenA, freeFileDataA)
{
name = NULL;
encoding = NULL;
parsed = gFalse;
}
FoFiType1::~FoFiType1() {
int i;
if (name) {
gfree(name);
}
if (encoding && encoding != fofiType1StandardEncoding) {
for (i = 0; i < 256; ++i) {
gfree(encoding[i]);
}
gfree(encoding);
}
}
char *FoFiType1::getName() {
if (!parsed) {
parse();
}
return name;
}
char **FoFiType1::getEncoding() {
if (!parsed) {
parse();
}
return encoding;
}
void FoFiType1::writeEncoded(char **newEncoding,
FoFiOutputFunc outputFunc, void *outputStream) {
char buf[512];
char *line;
int i;
// copy everything up to the encoding
for (line = (char *)file;
line && strncmp(line, "/Encoding", 9);
line = getNextLine(line)) ;
if (!line) {
// no encoding - just copy the whole font file
(*outputFunc)(outputStream, (char *)file, len);
return;
}
(*outputFunc)(outputStream, (char *)file, line - (char *)file);
// write the new encoding
(*outputFunc)(outputStream, "/Encoding 256 array\n", 20);
(*outputFunc)(outputStream,
"0 1 255 {1 index exch /.notdef put} for\n", 40);
for (i = 0; i < 256; ++i) {
if (newEncoding[i]) {
sprintf(buf, "dup %d /%s put\n", i, newEncoding[i]);
(*outputFunc)(outputStream, buf, strlen(buf));
}
}
(*outputFunc)(outputStream, "readonly def\n", 13);
// copy everything after the encoding
if (!strncmp(line, "/Encoding StandardEncoding def", 30)) {
line = getNextLine(line);
} else {
for (line = getNextLine(line);
line && strncmp(line, "readonly def", 12);
line = getNextLine(line)) ;
}
if (line) {
(*outputFunc)(outputStream, line, ((char *)file + len) - line);
}
}
char *FoFiType1::getNextLine(char *line) {
while (line < (char *)file + len && *line != '\x0a' && *line != '\x0d') {
++line;
}
if (line < (char *)file + len && *line == '\x0d') {
++line;
}
if (line < (char *)file + len && *line == '\x0a') {
++line;
}
if (line >= (char *)file + len) {
return NULL;
}
return line;
}
void FoFiType1::parse() {
char *line, *line1, *p, *p2;
char buf[256];
char c;
int n, code, i, j;
for (i = 1, line = (char *)file;
i <= 100 && line && (!name || !encoding);
++i) {
// get font name
if (!name && !strncmp(line, "/FontName", 9)) {
strncpy(buf, line, 255);
buf[255] = '\0';
if ((p = strchr(buf+9, '/')) &&
(p = strtok(p+1, " \t\n\r"))) {
name = copyString(p);
}
line = getNextLine(line);
// get encoding
} else if (!encoding &&
!strncmp(line, "/Encoding StandardEncoding def", 30)) {
encoding = fofiType1StandardEncoding;
} else if (!encoding &&
!strncmp(line, "/Encoding 256 array", 19)) {
encoding = (char **)gmalloc(256 * sizeof(char *));
for (j = 0; j < 256; ++j) {
encoding[j] = NULL;
}
line = getNextLine(line);
for (j = 0; j < 300 && line; ++j) {
line1 = getNextLine(line);
if ((n = line1 - line) > 255) {
n = 255;
}
strncpy(buf, line, n);
buf[n] = '\0';
for (p = buf; *p == ' ' || *p == '\t'; ++p) ;
if (!strncmp(p, "dup", 3)) {
for (p += 3; *p == ' ' || *p == '\t'; ++p) ;
for (p2 = p; *p2 >= '0' && *p2 <= '9'; ++p2) ;
if (*p2) {
c = *p2;
*p2 = '\0';
if ((code = atoi(p)) < 256) {
*p2 = c;
for (p = p2; *p == ' ' || *p == '\t'; ++p) ;
if (*p == '/') {
++p;
for (p2 = p; *p2 && *p2 != ' ' && *p2 != '\t'; ++p2) ;
*p2 = '\0';
encoding[code] = copyString(p);
}
}
}
} else {
if (strtok(buf, " \t") &&
(p = strtok(NULL, " \t\n\r")) && !strcmp(p, "def")) {
break;
}
}
line = line1;
}
//~ check for getinterval/putinterval junk
} else {
line = getNextLine(line);
}
++i;
}
parsed = gTrue;
}
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