diff options
Diffstat (limited to 'utility/bmpblk_font.c')
| -rw-r--r-- | utility/bmpblk_font.c | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/utility/bmpblk_font.c b/utility/bmpblk_font.c deleted file mode 100644 index 75c33859..00000000 --- a/utility/bmpblk_font.c +++ /dev/null @@ -1,229 +0,0 @@ -// Copyright (c) 2011 The Chromium OS Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include <errno.h> -#include <fcntl.h> -#include <getopt.h> -#include <limits.h> -#include <stdarg.h> -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/mman.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <unistd.h> - -#include "bmpblk_font.h" -#include "image_types.h" -#include "vboot_api.h" - -static char *progname; - -static void error(const char *fmt, ...) -{ - va_list args; - va_start( args, fmt ); - fprintf(stderr, "%s: ", progname); - vfprintf( stderr, fmt, args ); - va_end( args ); -} -#define fatal(args...) do { error(args); exit(1); } while(0) - - -/* Command line options */ -enum { - OPT_OUTFILE = 1000, -}; - -#define DEFAULT_OUTFILE "font.bin" - - -static struct option long_opts[] = { - {"outfile", 1, 0, OPT_OUTFILE }, - {NULL, 0, 0, 0} -}; - - -/* Print help and return error */ -static void HelpAndDie(void) { - fprintf(stderr, - "\n" - "%s - Create a vboot fontfile from a set of BMP files.\n" - "\n" - "Usage: %s [OPTIONS] BMPFILE [BMPFILE...]\n" - "\n" - "Each BMP file must match *_HEX.bmp, where HEX is the hexadecimal\n" - "representation of the character that the file displays. The images\n" - "will be encoded in the given order. Typically the first image is\n" - "reused to represent any missing characters.\n" - "\n" - "OPTIONS are:\n" - " --outfile <filename> Output file (default is %s)\n" - "\n", progname, progname, DEFAULT_OUTFILE); - exit(1); -} - -////////////////////////////////////////////////////////////////////////////// - -// Returns pointer to buffer containing entire file, sets length. -static void *read_entire_file(const char *filename, size_t *length) { - int fd; - struct stat sbuf; - void *ptr; - - *length = 0; // just in case - - if (0 != stat(filename, &sbuf)) { - error("Unable to stat %s: %s\n", filename, strerror(errno)); - return 0; - } - - if (!sbuf.st_size) { - error("File %s is empty\n", filename); - return 0; - } - - fd = open(filename, O_RDONLY); - if (fd < 0) { - error("Unable to open %s: %s\n", filename, strerror(errno)); - return 0; - } - - ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_PRIVATE, fd, 0); - if (MAP_FAILED == ptr) { - error("Unable to mmap %s: %s\n", filename, strerror(errno)); - close(fd); - return 0; - } - - *length = sbuf.st_size; - - close(fd); - - return ptr; -} - - -// Reclaims buffer from read_entire_file(). -static void discard_file(void *ptr, size_t length) { - munmap(ptr, length); -} - -////////////////////////////////////////////////////////////////////////////// - - - -int main(int argc, char* argv[]) { - char* outfile = DEFAULT_OUTFILE; - int numimages = 0; - int parse_error = 0; - int i; - FILE *ofp; - FontArrayHeader header; - FontArrayEntryHeader entry; - - progname = strrchr(argv[0], '/'); - if (progname) - progname++; - else - progname = argv[0]; - - while ((i = getopt_long(argc, argv, "", long_opts, NULL)) != -1) { - switch (i) { - case OPT_OUTFILE: - outfile = optarg; - break; - - default: - /* Unhandled option */ - printf("Unknown option\n"); - parse_error = 1; - break; - } - } - - numimages = argc - optind; - - if (parse_error || numimages < 1) - HelpAndDie(); - - printf("outfile is %s\n", outfile); - printf("numimages is %d\n", numimages); - - ofp = fopen(outfile, "wb"); - if (!ofp) - fatal("Unable to open %s: %s\n", outfile, strerror(errno)); - - memcpy(&header.signature, FONT_SIGNATURE, FONT_SIGNATURE_SIZE); - header.num_entries = numimages; - if (1 != fwrite(&header, sizeof(header), 1, ofp)) { - error("Can't write header to %s: %s\n", outfile, strerror(errno)); - goto bad1; - } - - for(i=0; i<numimages; i++) { - char *imgfile = argv[optind+i]; - char *s; - uint32_t ascii; - void *imgdata = 0; - size_t imgsize, filesize, diff; - - s = strrchr(imgfile, '_'); - if (!s || 1 != sscanf(s, "_%x.bmp", &ascii)) { // This is not foolproof. - error("Unable to parse the character from filename %s\n", imgfile); - goto bad1; - } - - imgdata = read_entire_file(imgfile, &imgsize); - if (!imgdata) - goto bad1; - - if (FORMAT_BMP != identify_image_type(imgdata, imgsize, &entry.info)) { - error("%s does not contain a valid BMP image\n", imgfile); - goto bad1; - } - - // Pad the image to align it on a 4-byte boundary. - filesize = imgsize; - if (imgsize % 4) - filesize = ((imgsize + 4) / 4) * 4; - diff = filesize - imgsize; - - entry.ascii = ascii; - entry.info.tag = TAG_NONE; - entry.info.compression = COMPRESS_NONE; // we'll compress it all later - entry.info.original_size = filesize; - entry.info.compressed_size = filesize; - - printf("%s => 0x%x %dx%d\n", imgfile, entry.ascii, - entry.info.width, entry.info.height); - - if (1 != fwrite(&entry, sizeof(entry), 1, ofp)) { - error("Can't write entry to %s: %s\n", outfile, strerror(errno)); - goto bad1; - } - if (1 != fwrite(imgdata, imgsize, 1, ofp)) { - error("Can't write image to %s: %s\n", outfile, strerror(errno)); - goto bad1; - } - if (diff && 1 != fwrite("\0\0\0\0\0\0\0\0", diff, 1, ofp)) { - error("Can't write padding to %s: %s\n", outfile, strerror(errno)); - goto bad1; - } - - - discard_file(imgdata, imgsize); - } - - fclose(ofp); - return 0; - -bad1: - fclose(ofp); - error("Aborting\n"); - (void) unlink(outfile); - exit(1); -} |