unibdf2hex.c
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/**
@file unibdf2hex.c
@brief unibdf2hex - Convert a BDF file into a unifont.hex file
@author Paul Hardy, January 2008
@copyright Copyright (C) 2008, 2013 Paul Hardy
Note: currently this has hard-coded code points for glyphs extracted
from Wen Quan Yi to create the Unifont source file "wqy.hex".
*/
/*
LICENSE:
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define UNISTART 0x3400 ///< First Unicode code point to examine
#define UNISTOP 0x4DBF ///< Last Unicode code point to examine
#define MAXBUF 256 ///< Maximum allowable input file line length - 1
/**
@brief The main function.
@return Exit status is always 0 (successful termination).
*/
int
main()
{
int i;
int digitsout; /* how many hex digits we output in a bitmap */
int thispoint;
char inbuf[MAXBUF];
int bbxx, bbxy, bbxxoff, bbxyoff;
int descent=4; /* font descent wrt baseline */
int startrow; /* row to start glyph */
unsigned rowout;
while (fgets (inbuf, MAXBUF - 1, stdin) != NULL) {
if (strncmp (inbuf, "ENCODING ", 9) == 0) {
sscanf (&inbuf[9], "%d", &thispoint); /* get code point */
/*
If we want this code point, get the BBX (bounding box) and
BITMAP information.
*/
if ((thispoint >= 0x2E80 && thispoint <= 0x2EFF) || // CJK Radicals Supplement
(thispoint >= 0x2F00 && thispoint <= 0x2FDF) || // Kangxi Radicals
(thispoint >= 0x2FF0 && thispoint <= 0x2FFF) || // Ideographic Description Characters
(thispoint >= 0x3001 && thispoint <= 0x303F) || // CJK Symbols and Punctuation (U+3000 is a space)
(thispoint >= 0x3100 && thispoint <= 0x312F) || // Bopomofo
(thispoint >= 0x31A0 && thispoint <= 0x31BF) || // Bopomofo extend
(thispoint >= 0x31C0 && thispoint <= 0x31EF) || // CJK Strokes
(thispoint >= 0x3400 && thispoint <= 0x4DBF) || // CJK Unified Ideographs Extension A
(thispoint >= 0x4E00 && thispoint <= 0x9FCF) || // CJK Unified Ideographs
(thispoint >= 0xF900 && thispoint <= 0xFAFF)) // CJK Compatibility Ideographs
{
while (fgets (inbuf, MAXBUF - 1, stdin) != NULL &&
strncmp (inbuf, "BBX ", 4) != 0); /* find bounding box */
sscanf (&inbuf[4], "%d %d %d %d", &bbxx, &bbxy, &bbxxoff, &bbxyoff);
while (fgets (inbuf, MAXBUF - 1, stdin) != NULL &&
strncmp (inbuf, "BITMAP", 6) != 0); /* find bitmap start */
fprintf (stdout, "%04X:", thispoint);
digitsout = 0;
/* Print initial blank rows */
startrow = descent + bbxyoff + bbxy;
/* Force everything to 16 pixels wide */
for (i = 16; i > startrow; i--) {
fprintf (stdout,"0000");
digitsout += 4;
}
while (fgets (inbuf, MAXBUF - 1, stdin) != NULL &&
strncmp (inbuf, "END", 3) != 0) { /* copy bitmap until END */
sscanf (inbuf, "%X", &rowout);
/* Now force glyph to a 16x16 grid even if they'd fit in 8x16 */
if (bbxx <= 8) rowout <<= 8; /* shift left for 16x16 glyph */
rowout >>= bbxxoff;
fprintf (stdout, "%04X", rowout);
digitsout += 4;
}
/* Pad for 16x16 glyph */
while (digitsout < 64) {
fprintf (stdout,"0000");
digitsout += 4;
}
fprintf (stdout,"\n");
}
}
}
exit (0);
}
MAXBUF
#define MAXBUF
Maximum allowable input file line length - 1.
Definition: unibdf2hex.c:37
main
int main()
The main function.
Definition: unibdf2hex.c:46