2 unibdf2hex - program to convert a BDF file into a unifont.hex file.
4 Author: Paul Hardy, January 2008
6 Note: currently this has hard-coded code points for glyphs extracted
7 from Wen Quan Yi to create the Unifont source file "wqy.hex".
9 Copyright (C) 2008, 2013 Paul Hardy
13 This program is free software: you can redistribute it and/or modify
14 it under the terms of the GNU General Public License as published by
15 the Free Software Foundation, either version 2 of the License, or
16 (at your option) any later version.
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program. If not, see <http://www.gnu.org/licenses/>.
38 int digitsout; /* how many hex digits we output in a bitmap */
41 int bbxx, bbxy, bbxxoff, bbxyoff;
43 int descent=4; /* font descent wrt baseline */
44 int startrow; /* row to start glyph */
47 while (fgets (inbuf, MAXBUF - 1, stdin)) {
48 if (strncmp (inbuf, "ENCODING ", 9)) continue;
49 sscanf (&inbuf[9], "%d", &thispoint); /* get code point */
51 /* Read bounding box values from BBX line */
52 while (fgets (inbuf, MAXBUF - 1, stdin)) {
53 if (!strncmp (inbuf, "BBX ", 4)) break;
55 sscanf (&inbuf[4], "%d %d %d %d", &bbxx, &bbxy, &bbxxoff, &bbxyoff);
57 /* Find BITMAP start */
58 while (fgets (inbuf, MAXBUF - 1, stdin)) {
59 if (!strncmp (inbuf, "BITMAP", 6)) break;
62 fprintf (stdout, "%04X:", thispoint);
64 /* Print initial blank rows */
65 startrow = descent + bbxyoff + bbxy;
67 /* Force everything to 16 pixels wide */
68 for (i = 16; i > startrow; i--) {
69 fprintf (stdout,"0000");
72 /* Copy bitmap until END */
73 while (fgets (inbuf, MAXBUF - 1, stdin)) {
74 if (!strncmp (inbuf, "END", 3)) break;
75 sscanf (inbuf, "%X", &rowout);
76 /* Now force glyph to a 16x16 grid even if they'd fit in 8x16 */
77 if (bbxx <= 8) rowout <<= 8; /* shift left for 16x16 glyph */
79 fprintf (stdout, "%04X", rowout);
83 /* Pad for 16x16 glyph */
84 while (digitsout < 64) {
85 fprintf (stdout,"0000");
88 fprintf (stdout,"\n");