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#define MAXCHARS 256
#define MAXLINE 80
#include "gd.h"
#include <string.h>
#include <stdlib.h>
#define BITN(x,n) ( (x>>n) & 0x1 )
#define Max(x,y) (((x)>(y))?(x):(y))
/* extern gdFontPtr FontPtr;*/
int GetTag(s,tag)
char *s, *tag;
{
int i;
i=0;
while (*s) {
tag[i++] = *s++;
if (*s == ' ' || *s == '\t' || *s == '\n') {
tag[i] = '\0';
return i++;
}
}
}
void dispchar(C,height,width)
char *C;
int height,width;
{
int i,j,k;
k=0;
for (i=0;i<height;i++) {
for (j=0;j<width;j++) {
printf("%d",C[k]);
k++;
}
printf("\n");
}
printf("\n");
}
int ReadbdfFont(f,FontPtr,FontName)
FILE *f;
gdFontPtr FontPtr;
char *FontName;
{
char s[MAXLINE],hex[3];
char tag[MAXLINE];
int curptr, curptrs, curcharptr;
int bottom, width, currentchar, globalleft, globaltop, left;
int height,hei,wid, gobitmap, bot;
char *Data, *data;
int i, j, nrow, nbytes,k ;
int c;
gobitmap =0;
hex[2]=0;
while (fgets(s,MAXLINE,f))
{
GetTag(s,tag);
if (!strcmp(tag,"ENCODING")){
sscanf(s,"%s %d",tag,¤tchar);
}
else if (!strcmp(tag,"FONT")){
sscanf(s,"%s %s",tag,FontName);
}
else if (!strcmp(tag,"FONTBOUNDINGBOX")){
sscanf(s,"%s %d %d %d %d",tag,&width,&height,&globalleft,&globaltop);
Data = (char *)calloc(256*width*height,sizeof(char));
if (Data == 0) return 1;
data = (char *)calloc(width*height+8,sizeof(char));
if (Data == 0) {
free(Data);
return 1;
}
FontPtr->nchars = 256;
FontPtr->offset = 0; /* ? */
FontPtr->w = width;
FontPtr->h = height;
FontPtr->data = Data;
for (i=0;i<256*width*height;i++) Data[i]=0;
}
else if (!strcmp(tag,"BBX")){
sscanf(s,"%s %d %d %d %d",tag,&wid,&hei,&left,&bottom);
}
else if (!strcmp(tag,"BITMAP")){
if (currentchar>=0) {
gobitmap = 1;
nrow = 0;
curcharptr = width*height*currentchar;
for (i=0; i<width*height; i++) data[i]=0;
}
curptrs = 0;
}
else if (!strcmp(tag,"ENDCHAR")){
gobitmap = 0;
if (currentchar>=0) {
bot = globaltop - bottom;
if (bot <= 0) {
k=curcharptr+(height-nrow+bot)*width;
for (i=0; i<nrow*width; i++)
Data[k + i]=data[i];
}
}
}
else if (gobitmap) {
curptr = Max(curptrs+left,0); /** Max added : jpc Jul 99 **/
nbytes=strlen(s)/2;
for (j=0 ; j<nbytes ; j++) {
hex[0]=s[2*j];
hex[1]=s[2*j+1];
sscanf(hex,"%x",&c);
for (i=7 ; i>=0 ; i--) {
data[curptr++] = (char)(BITN(c,i) != 0);
}
}
/* ?????? */
if (curptrs >0)
data[curptrs-1]=0;
curptrs = curptrs + width;
nrow++;
}
}
free(data);
return 0;
}
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