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/*
* KON2 - Kanji ON Console -
* Copyright (C) 1992, 1993
* kensyu@rabbit.is.s.u-tokyo.ac.jp
* nozomi@yucca.cc.tsukuba.ac.jp
* Copyright (C) 1992-1996 Takashi MANABE (manabe@papilio.tutics.tut.ac.jp)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY TAKASHI MANABE ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE TERRENCE R. LAMBERT BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#define FXLD_C
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/file.h>
#include <string.h>
#include <sys/socket.h>
#include <interface.h>
#include <fnld.h>
extern struct fontInfo fi;
extern forceLoad;
struct fontx {
char title[6];
char name[8];
unsigned char xsize;
unsigned char ysize;
unsigned char type;
unsigned char ntable;
struct tn { unsigned short top, tail; } table[1 /* = ntable */];
};
#define FontxhTop 17
#define MSDOS 1
#define nSFontx 256
static struct fontx* LoadFontxHeader(FILE *fp){
struct fontx head;
struct fontx* ans;
#if !MSDOS
fread(&head.title, 6, 1, fp);
fread(&head.name, 8, 1, fp);
fread(&head.xsize, 1, 1, fp);
fread(&head.ysize, 1, 1, fp);
fread(&head.type, 1, 1, fp);
fread(&head.ntable, 1, 1, fp);
#else
fread(&head, sizeof(struct fontx) - sizeof(struct tn), 1, fp);
#endif
if(head.type & 1){
ans = malloc(sizeof(struct fontx) + sizeof(struct tn)*(head.ntable-1));
*ans = head;
#if !MSDOS
for(i=1;i<head.ntable;i++)fread(ans->table + i,sizeof(struct tn),1,fp);
#else
fread(ans->table, sizeof(struct tn), head.ntable, fp);
#endif
fseek(fp, FontxhTop + 1 + ans->ntable * 4, SEEK_SET);
}else{
ans = malloc(sizeof(struct fontx));
*ans = head;
fseek(fp, FontxhTop, SEEK_SET);
};
return ans;
};
u_char *FontLoadSFontx(fp, header)
FILE *fp;
struct fontx *header;
{
u_char *fontbuff;
fi.width = header->xsize;
fi.high = header->ysize;
fi.size = ((header->xsize - 1)/8 + 1) * header->ysize * nSFontx;
fontbuff = (u_char *)calloc(fi.size, nSFontx);
fread(fontbuff, fi.size, nSFontx, fp);
return(fontbuff);
}
static unsigned int sjis2num(unsigned int code){
unsigned int cl, ch;
/* to jis */
ch = (code >> 8) & 0xFF;
cl = code & 0xFF;
ch -= (ch > 0x9F) ? 0xC1: 0x81;
if (cl >= 0x9F) {
ch = (ch << 1) + 0x22;
cl -= 0x7E;
} else {
ch = (ch << 1) + 0x21;
cl -= ((cl <= 0x7E) ? 0x1F: 0x20);
}
/* to num */
if (ch > 0x2A){
return (cl - 0x41 + (ch - 0x26) * 96);
}else{
return (cl - 0x21 + (ch - 0x21) * 96);
}
}
u_char *FontLoadDFontx(fp, header)
FILE *fp;
struct fontx *header;
{
u_char *fontbuff;
unsigned i, code, nchar;
int char_byte;
for(i = 0, nchar = 0; i < header->ntable; i++){
nchar += header->table[i].tail - header->table[i].top + 1;
}
fi.width = header->xsize;
fi.high = header->ysize;
char_byte = ((header->xsize - 1)/8 + 1) * header->ysize;
fi.size = char_byte * (sjis2num(header->table[header->ntable-1].tail) + 1);
fontbuff = (u_char *)malloc(fi.size);
for(i = 0; i < header->ntable; i++){
for(code = header->table[i].top; code <= header->table[i].tail; code ++){
if ((code & 0xFF) == 0x7F){ /* for buggy font (0x7E == 0x7F) */
fseek(fp, char_byte, SEEK_CUR);
continue;
}
fread(fontbuff + sjis2num(code) * char_byte, char_byte, 1, fp);
}
}
return(fontbuff);
}
u_char *FontLoadFontx(FILE *fp)
{
u_char *font;
struct fontx *header;
header = LoadFontxHeader(fp);
if (header->type & 1) {
fi.type = CodingByRegistry("JISX0208.1983-0");
if (forceLoad || CheckLoadedFont(fi.type))
font = FontLoadDFontx(fp, header);
else exit(0);
} else {
fi.type = CodingByRegistry("JISX0201.1976-0");
if (CheckLoadedFont(fi.type))
font = FontLoadSFontx(fp, header);
else exit(0);
}
free(header);
return(font);
}
#if 0
void main(argc, argv)
int argc;
char *argv[];
{
FILE *fp;
u_char *font;
int i, loaded=0;
char *p;
for (i = 1; i < argc; i ++) {
p = argv[i];
if (*p == '-') {
++p;
switch(*p) {
case 'n':
forceLoad = 0;
break;
}
} else {
if(!(fp = fopen(argv[i], "r"))) {
fprintf(stderr, "%s> Can not open font file.\n", argv[0]);
exit(EOF);
}
loaded = 1;
}
}
if (!loaded) fp = stdin;
if ((font = FontLoadFontx(fp))== NULL) {
fprintf(stderr, "%s> Can not load font file.\n", argv[0]);
exit(EOF);
}
fclose(fp);
exit(SetFont(argv[0], font, &fi));
}
#endif
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