X-Git-Url: https://git.draconx.ca/gitweb/liblbx.git/blobdiff_plain/67c2273969a556d9f54e027e5a520280fcc86d54..4a5ac8356dbc71d84ad5e6b04499597eedf0d89d:/src/lbximg.c
diff --git a/src/lbximg.c b/src/lbximg.c
index 730c0af..4b664b7 100644
--- a/src/lbximg.c
+++ b/src/lbximg.c
@@ -1,22 +1,22 @@
-/* 2ooM: The Master of Orion II Reverse Engineering Project
- * Simple command-line tool to convert an LBX image to a set of PNGs.
- * Copyright (C) 2006-2008 Nick Bowler
+/*
+ * 2ooM: The Master of Orion II Reverse Engineering Project
+ * Simple command-line tool to convert an LBX image to a set of PNGs.
+ * Copyright (C) 2006-2008 Nick Bowler
*
- * 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 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 3 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.
+ * 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, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
*/
-#define _GNU_SOURCE
+#include
#include
#include
#include
@@ -27,6 +27,7 @@
#include
+#include "tools.h"
#include "image.h"
#include "lbx.h"
@@ -35,6 +36,19 @@ static int verbose = 0;
static char *outname = "out";
static int usepalette = 1;
+static void printusage(void)
+{
+ puts("usage: lbximg [-i|-d] [-v] [-p palette_file] [-O override_file]"
+ " [-f path]");
+ puts(" [frameno ...]");
+}
+
+static void printhelp(void)
+{
+ printusage();
+ puts("For now, see the man page for detailed help.");
+}
+
static const char *progname;
#define errmsg(fmt, ...) (\
fprintf(stderr, "%s: " fmt, progname, __VA_ARGS__)\
@@ -224,7 +238,7 @@ static int loadoverride(FILE *f, struct lbx_colour palette[static 256])
}
lbximg_getinfo(overimg, &info);
- if (!info.haspalette) {
+ if (!info.palettesz) {
errmsg("override image has no palette.\n", 0);
lbximg_close(overimg);
return -1;
@@ -256,7 +270,7 @@ static int loadpalette(LBX_IMG *img, struct lbx_imginfo *info,
}
/* For sanity. */
- if (!palf && !info->haspalette && !override) {
+ if (!palf && !info->palettesz && !override) {
errmsg("no palette available.\n", 0);
return -1;
}
@@ -273,7 +287,7 @@ static int loadpalette(LBX_IMG *img, struct lbx_imginfo *info,
}
/* Read the embedded palette, if any. */
- if (info->haspalette && lbximg_getpalette(img, palette) == -1) {
+ if (info->palettesz && lbximg_getpalette(img, palette) == -1) {
errmsg("error reading embedded palette: %s\n", lbx_strerror());
return -1;
}
@@ -350,21 +364,25 @@ err:
int main(int argc, char **argv)
{
- int mode = MODE_NONE;
- FILE *inf = stdin, *palf = NULL, *overf = NULL;
+ int mode = MODE_NONE, opt, rc = EXIT_FAILURE;
+ struct lbx_pipe_state state = { .f = stdin };
+ FILE *palf = NULL, *overf = NULL;
const char *name = "stdin";
LBX_IMG *img;
- int opt;
- static const char *sopts = "idvf:p:O:";
+ static const char *sopts = "idvf:p:O:V";
static const struct option lopts[] = {
- { "info", 0, NULL, 'i' },
+ { "ident", 0, NULL, 'i' },
{ "decode", 0, NULL, 'd' },
{ "verbose", 0, NULL, 'v' },
{ "file", 1, NULL, 'f' },
{ "palette", 1, NULL, 'p' },
{ "override", 1, NULL, 'p' },
+ { "version", 0, NULL, 'V' },
+ { "usage", 0, NULL, 'U' },
+ { "help", 0, NULL, 'H' },
+
{ "nopalette", 0, &usepalette, 0 },
{ 0 }
@@ -383,14 +401,10 @@ int main(int argc, char **argv)
verbose = 1;
break;
case 'f':
- if (strcmp(optarg, "-") == 0)
- break;
-
name = strrchr(optarg, '/');
name = name ? name+1 : optarg;
- inf = fopen(optarg, "rb");
- if (!inf) {
+ if (!freopen(optarg, "rb", state.f)) {
errmsg("failed to open %s: %m\n", optarg);
return EXIT_FAILURE;
}
@@ -410,6 +424,15 @@ int main(int argc, char **argv)
return EXIT_FAILURE;
}
break;
+ case 'V':
+ puts(VERSION_BOILERPLATE("lbximg"));
+ return EXIT_SUCCESS;
+ case 'U':
+ printusage();
+ return EXIT_SUCCESS;
+ case 'H':
+ printhelp();
+ return EXIT_SUCCESS;
case '?':
case ':':
return EXIT_FAILURE;
@@ -421,7 +444,11 @@ int main(int argc, char **argv)
return EXIT_FAILURE;
}
- img = lbximg_fopen(inf);
+ if (fseek(state.f, 0, SEEK_CUR) == 0)
+ img = lbximg_open(state.f, &lbx_default_fops, NULL);
+ else
+ img = lbximg_open(&state, &lbx_pipe_fops, NULL);
+
if (!img) {
errmsg("failed to open image: %s.\n", lbx_strerror());
return EXIT_FAILURE;
@@ -433,19 +460,16 @@ int main(int argc, char **argv)
printf("%s is %ux%u LBX image, %u frame(s)%s%s\n",
name, info.width, info.height, info.nframes,
- info.haspalette ? ", embedded palette" : "",
- info.looping ? ", loops" : "");
+ info.palettesz ? ", embedded palette" : "",
+ info.looping ? ", loops" : "");
}
switch (mode) {
case MODE_DECODE:
- if (decode(img, palf, overf, &argv[optind])) {
- lbximg_close(img);
- return EXIT_FAILURE;
- }
+ rc = decode(img, palf, overf, &argv[optind]);
break;
}
lbximg_close(img);
- return EXIT_SUCCESS;
+ return rc;
}