diff options
Diffstat (limited to 'firmware/loadfont.c')
| -rw-r--r-- | firmware/loadfont.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/firmware/loadfont.c b/firmware/loadfont.c deleted file mode 100644 index e78f208b13..0000000000 --- a/firmware/loadfont.c +++ /dev/null @@ -1,212 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (c) 2002 by Greg Haerr <greg@censoft.com> - * - * All files in this archive are subject to the GNU General Public License. - * See the file COPYING in the source tree root for full license agreement. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -/* - * Load an rbf font, store in incore format. - */ -#include "config.h" - -#if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR) - -#include <stdio.h> -#include <string.h> -#include "font.h" -#include "file.h" - -#ifndef DEBUGF -#include "debug.h" -#endif - -#ifndef O_BINARY -#define O_BINARY 0 -#endif - -/* static buffer allocation structures*/ -static unsigned char mbuf[MAX_FONT_SIZE]; -static unsigned char *freeptr = mbuf; -static unsigned char *fileptr; -static unsigned char *eofptr; - -static int -READSHORT(unsigned short *sp) -{ - unsigned short s; - - s = *fileptr++ & 0xff; - *sp = (*fileptr++ << 8) | s; - return (fileptr <= eofptr); -} - -static int -READLONG(unsigned long *lp) -{ - unsigned long l; - - l = *fileptr++ & 0xff; - l |= *fileptr++ << 8; - l |= *fileptr++ << 16; - *lp = (*fileptr++ << 24) | l; - return (fileptr <= eofptr); -} - -/* read count bytes*/ -static int -READSTR(char *buf, int count) -{ - int n = count; - - while (--n >= 0) - *buf++ = *fileptr++; - return (fileptr <= eofptr)? count: 0; -} - -/* read totlen bytes, return NUL terminated string*/ -/* may write 1 past buf[totlen]; removes blank pad*/ -static int -READSTRPAD(char *buf, int totlen) -{ - char *p = buf; - int n = totlen; - - while (--n >= 0) - *p++ = *fileptr++; - if (fileptr > eofptr) - return 0; - - p = &buf[totlen]; - *p-- = 0; - while (*p == ' ' && p >= buf) - *p-- = '\0'; - return totlen; -} - -/* read and load font into incore font structure*/ -PMWCFONT -rbf_load_font(char *path, PMWCFONT pf) -{ - int fd, filesize; - unsigned short maxwidth, height, ascent, pad; - unsigned long firstchar, defaultchar, size; - unsigned long i, nbits, noffset, nwidth; - char version[4+1]; - char copyright[256+1]; - - memset(pf, 0, sizeof(MWCFONT)); - - /* open and read entire font file*/ - fd = open(path, O_RDONLY|O_BINARY); - if (fd < 0) { - DEBUGF("Can't open font: %s\n", path); - return NULL; - } -freeptr = (unsigned char *)(((int)mbuf + 3) & ~3); - fileptr = freeptr; - filesize = read(fd, fileptr, MAX_FONT_SIZE); - eofptr = fileptr + filesize; - //freeptr += filesize; - //freeptr = (unsigned char *)(freeptr + 3) & ~3; /* pad freeptr*/ - close(fd); - if (filesize == MAX_FONT_SIZE) { - DEBUGF("Font %s too large: %d\n", path, filesize); - return NULL; - } - - /* read magic and version #*/ - memset(version, 0, sizeof(version)); - if (READSTR(version, 4) != 4) - return NULL; - if (strcmp(version, VERSION) != 0) - return NULL; - - /* internal font name*/ - pf->name = fileptr; - if (READSTRPAD(pf->name, 64) != 64) - return NULL; - - /* copyright, not currently stored*/ - if (READSTRPAD(copyright, 256) != 256) - return NULL; - - /* font info*/ - if (!READSHORT(&maxwidth)) - return NULL; - pf->maxwidth = maxwidth; - if (!READSHORT(&height)) - return NULL; - pf->height = height; - if (!READSHORT(&ascent)) - return NULL; - pf->ascent = ascent; - if (!READSHORT(&pad)) - return NULL; - if (!READLONG(&firstchar)) - return NULL; - pf->firstchar = firstchar; - if (!READLONG(&defaultchar)) - return NULL; - pf->defaultchar = defaultchar; - if (!READLONG(&size)) - return NULL; - pf->size = size; - - /* get variable font data sizes*/ - /* # words of MWIMAGEBITS*/ - if (!READLONG(&nbits)) - return NULL; - pf->bits_size = nbits; - - /* # longs of offset*/ - if (!READLONG(&noffset)) - return NULL; - - /* # bytes of width*/ - if (!READLONG(&nwidth)) - return NULL; - - /* variable font data*/ - pf->bits = (MWIMAGEBITS *)fileptr; - for (i=0; i<nbits; ++i) - if (!READSHORT(&pf->bits[i])) - return NULL; - /* pad to longword boundary*/ - fileptr = (unsigned char *)(((int)fileptr + 3) & ~3); - - if (noffset) { - pf->offset = (unsigned long *)fileptr; - for (i=0; i<noffset; ++i) - if (!READLONG(&pf->offset[i])) - return NULL; - } else pf->offset = NULL; - - if (nwidth) { - pf->width = (unsigned char *)fileptr; - fileptr += nwidth*sizeof(unsigned char); - } else pf->width = NULL; - - if (fileptr > eofptr) - return NULL; - return pf; /* success!*/ -} -#endif /* HAVE_LCD_BITMAP */ - -/* ----------------------------------------------------------------- - * local variables: - * eval: (load-file "rockbox-mode.el") - * vim: et sw=4 ts=8 sts=4 tw=78 - * end: - */ |