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#include <kpathsea/kpathsea.h>
#include "makejvf.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int nt,nl,unit,zh,zw,jfm_id,rightamount;
int *width,*height,*depth,*italic,*kern,*glue,*param;
unsigned char *header,*char_type,*char_info,*glue_kern;
int jfmread(int kcode)
{
int i,ctype=0,w_ind,w,ll=0,rr=0,tag,gk_ind,gk2_ind;
for (i = 0 ; i < nt ; i++) {
/* support new JFM spec by texjporg */
if (upair(&char_type[i*4])+char_type[i*4+2]*65536 == kcode) {
ctype = char_type[i*4+3];
break;
}
}
/* get character width of <kcode> */
w_ind = char_info[ctype*4];
w = width[w_ind];
rightamount = 0;
if (w != zw && ctype > 0) {
/* get natural length of JFM glue between <type0> and <type of kcode> */
tag = char_info[ctype*4+2] % 4;
if (tag == 1) {
gk_ind = char_info[0*4+3]; /* remainder for <type0> */
if (glue_kern[gk_ind*4] == 254) /* support for large gluekern table */
gk_ind = upair(&glue_kern[gk_ind*4+2]);
for (i = 0 ; i < nl-gk_ind ; i++) {
if (glue_kern[(gk_ind+i)*4+1] == ctype) {
if (glue_kern[(gk_ind+i)*4+2] >= 128) {
gk2_ind = glue_kern[(gk_ind+i)*4+3];
ll = kern[gk2_ind];
}
else {
gk2_ind = glue_kern[(gk_ind+i)*4+3];
ll = glue[3*gk2_ind];
}
break;
}
if (glue_kern[(gk_ind+i)*4] >= 128)
break;
}
}
/* get natural length of JFM glue between <type of kcode> and <type0> */
tag = char_info[ctype*4+2] % 4;
if (tag == 1) {
gk_ind = char_info[ctype*4+3]; /* remainder for <type of kcode> */
if (glue_kern[gk_ind*4] == 254) /* support for large gluekern table */
gk_ind = upair(&glue_kern[gk_ind*4+2]);
for (i = 0 ; i < nl-gk_ind ; i++) {
if (glue_kern[(gk_ind+i)*4+1] == 0) {
if (glue_kern[(gk_ind+i)*4+2] >= 128) {
gk2_ind = glue_kern[(gk_ind+i)*4+3];
rr = kern[gk2_ind];
}
else {
gk2_ind = glue_kern[(gk_ind+i)*4+3];
rr = glue[3*gk2_ind];
}
break;
}
if (glue_kern[(gk_ind+i)*4] >= 128)
break;
}
}
if (abs(zw - ll - w - rr) <= 1) /* allow round-off error */
/* character width is truncated,
and metric glue/kern is inserted as a substitute to fill zenkaku */
rightamount = ll;
else
/* character width is actually truncated */
rightamount = (zw - w)/2;
}
return(w);
}
int tfmget(char *name)
{
char nbuff[1024];
FILE *fp;
strcpy(nbuff,name);
fp = fopen(nbuff,"rb");
if (fp == NULL) {
strcat(nbuff,".tfm");
fp = fopen(nbuff,"rb");
if (fp == NULL) {
fprintf(stderr,"%s is not found.\n",name);
exit(0);
}
}
tfmidx(fp);
fclose(fp);
return 0;
}
int tfmidx(FILE *fp)
{
int i;
int lh,ec,nw,nh,nd,ni,nk,ng,np;
jfm_id = fpair(fp);
if ((jfm_id == 9) || (jfm_id == 11)) {
nt = ufpair(fp);
fpair(fp);
lh = ufpair(fp);
fpair(fp);
ec = ufpair(fp);
nw = ufpair(fp);
nh = ufpair(fp);
nd = ufpair(fp);
ni = ufpair(fp);
nl = ufpair(fp);
nk = ufpair(fp);
ng = ufpair(fp);
np = ufpair(fp);
header = xmalloc(lh*4);
for (i = 0 ; i < lh*4 ; i++) {
header[i] = fgetc(fp);
}
char_type = xmalloc(nt*4);
for (i = 0 ; i < nt*4 ; i++) {
char_type[i] = fgetc(fp);
}
char_info = xmalloc((ec+1)*4);
for (i = 0 ; i < (ec+1)*4 ; i++) {
char_info[i] = fgetc(fp);
}
width = xmalloc(nw*sizeof(int));
for (i = 0 ; i < nw ; i++) {
width[i] = fquad(fp);
}
height = xmalloc(nh*sizeof(int));
for (i = 0 ; i < nh ; i++) {
height[i] = fquad(fp);
}
depth = xmalloc(nd*sizeof(int));
for (i = 0 ; i < nd ; i++) {
depth[i] = fquad(fp);
}
italic = xmalloc(ni*sizeof(int));
for (i = 0 ; i < ni ; i++) {
italic[i] = fquad(fp);
}
glue_kern = xmalloc(nl*4);
for (i = 0 ; i < nl*4 ; i++) {
glue_kern[i] = fgetc(fp);
}
kern = xmalloc(nk*sizeof(int));
for (i = 0 ; i < nk ; i++) {
kern[i] = fquad(fp);
}
glue = xmalloc(ng*sizeof(int));
for (i = 0 ; i < ng ; i++) {
glue[i] = fquad(fp);
}
param = xmalloc(np*sizeof(int));
for (i = 0 ; i < np ; i++) {
param[i] = fquad(fp);
}
unit = mquad(&header[4]);
zh = param[4];
zw = param[5];
if (baseshift)
baseshift = (int)(zh*baseshift/1000.0+0.5);
}
else {
fprintf(stderr,"This TFM is not for Japanese.\n");
exit(100);
}
return 0;
}
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