--- /dev/null
+dnl Borrowed from Transcode (http://www.transcoding.org/cgi-bin/transcode)
+
+dnl PKG_INIT(rptfile, errfile)
+dnl
+AC_DEFUN([PKG_INIT],
+[
+pkg_err="no"
+pkg_err_file="pkg_err_file"
+pkg_rpt_file="pkg_rpt_file"
+
+if test x"$1" != x"" ; then
+ pkg_rpt_file="$1"
+fi
+echo -n > $pkg_rpt_file
+
+if test x"$2" != x"" ; then
+ pkg_err_file="$2"
+fi
+echo -n > $pkg_err_file
+])
+
+
+dnl PKG_ERROR(name, object, req-enable, pkg, url, [error message])
+AC_DEFUN([PKG_ERROR],
+[
+pkg_err="yes"
+this_pkg_err="yes"
+
+prob=""
+if test x"$3" = x"required" ; then
+ prob="requirement failed"
+else
+ prob="option '--enable-$1' failed"
+fi
+
+cat >> $pkg_err_file <<EOF
+ERROR: $prob: $6
+$2 can be found in the following packages:
+ $4 $5
+
+EOF
+])
+
+
+dnl PKG_CHECK(pkg-name, def-enabled, var-name, pkgconfig-name, conf-script,
+dnl header, lib, symbol)
+dnl Test for pkg-name, and define var-name_CFLAGS and var-name_LIBS
+dnl and HAVE_var-name if found
+dnl
+dnl 1 name name of package; required (pkg-config name if applicable)
+dnl 2 req-enable enable by default, 'required', 'yes' or 'no'; required
+dnl 3 var-name name stub for variables, preferably uppercase; required
+dnl 4 conf-script name of "-config" script or 'no'
+dnl 5 header header file to check or 'none'
+dnl 6 lib library to check or 'none'
+dnl 7 symbol symbol from the library to check or ''
+dnl 8 pkg package (pkg-config name if applicable)
+dnl 9 url homepage for the package
+
+AC_DEFUN([PKG_CHECK],
+[
+if test x"$2" != x"required" ; then
+ AC_MSG_CHECKING([whether $1 support is requested])
+ AC_ARG_ENABLE($1,
+ AC_HELP_STRING([--enable-$1],
+ [build with $1 support ($2)]),
+ [case "${enableval}" in
+ yes) ;;
+ no) ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-$1) ;;
+ esac],
+ enable_$1="$2")
+ AC_MSG_RESULT($enable_$1)
+else
+ enable_$1="yes"
+fi
+
+AC_ARG_WITH($1-prefix,
+ AC_HELP_STRING([--with-$1-prefix=PFX],
+ [prefix where $1 is installed (/usr)]),
+ w_$1_p="$withval", w_$1_p="")
+
+AC_ARG_WITH($1-includes,
+ AC_HELP_STRING([--with-$1-includes=DIR],
+ [directory where $1 headers ($5) are installed (/usr/include)]),
+ w_$1_i="$withval", w_$1_i="")
+
+AC_ARG_WITH($1-libs,
+ AC_HELP_STRING([--with-$1-libs=DIR],
+ [directory where $1 libararies (lib$6.so) are installed (/usr/lib)]),
+ w_$1_l="$withval", w_$1_l="")
+
+have_$1="no"
+this_pkg_err="no"
+
+if test x"$enable_$1" = x"yes" ; then
+
+ dnl pkg-config
+
+ pkg_config_$1="no"
+ AC_MSG_CHECKING([for pkgconfig support for $1])
+ if test x"$PKG_CONFIG" != x"no" ; then
+ if $PKG_CONFIG $8 --exists ; then
+ pkg_config_$1="yes"
+ fi
+ fi
+ AC_MSG_RESULT($pkg_config_$1)
+
+ dnl *-config
+
+ if test x"$4" != x"no" ; then
+ if test x"$w_$1_p" != x"" ; then
+ if test -x $w_$1_p/bin/$4 ; then
+ $1_config="$w_$1_p/bin/$4"
+ fi
+ fi
+ AC_PATH_PROG($1_config, $4, no)
+ else
+ $1_config="no"
+ fi
+
+ # get and test the _CFLAGS
+
+ AC_MSG_CHECKING([how to determine $3_CFLAGS])
+ if test x"$w_$1_i" != x"" ; then
+ $1_ii="-I$w_$1_i"
+ AC_MSG_RESULT(user)
+ else
+ if test x"$pkg_config_$1" != x"no" ; then
+ $1_ii="`$PKG_CONFIG $8 --cflags`"
+ AC_MSG_RESULT(pkg-config)
+ else
+ if test x"$$1_config" != x"no" ; then
+ $1_ii="`$$1_config --cflags`"
+ AC_MSG_RESULT($$1_config)
+ else
+ if test x"$w_$1_p" != x"" ; then
+ $1_ii="-I$w_$1_p/include"
+ AC_MSG_RESULT(prefix)
+ else
+ $1_ii="-I/usr/include"
+ AC_MSG_RESULT(default)
+ fi
+ fi
+ fi
+ fi
+ ipaths="" ; xi=""
+ for i in $$1_ii ; do
+ case $i in
+ -I*) ipaths="$ipaths $i" ;;
+ *) xi="$xi $i" ;;
+ esac
+ done
+ $1_ii="$ipaths"
+ $1_ii="`echo $$1_ii | sed -e 's/ */ /g'`"
+ $3_EXTRA_CFLAGS="$$3_EXTRA_CFLAGS $xi"
+ $3_EXTRA_CFLAGS="`echo $$3_EXTRA_CFLAGS | sed -e 's/ */ /g'`"
+
+ if test x"$5" != x"none" ; then
+ save_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $$1_ii"
+ AC_CHECK_HEADER([$5],
+ [$3_CFLAGS="$$1_ii"],
+ [PKG_ERROR($1, $5, $2, $8, $9, [cannot compile $5])])
+ CPPFLAGS="$save_CPPFLAGS"
+ fi
+
+ # get and test the _LIBS
+
+ AC_MSG_CHECKING([how to determine $3_LIBS])
+ if test x"$w_$1_l" != x"" ; then
+ $1_ll="-L$w_$1_l"
+ AC_MSG_RESULT(user)
+ else
+ if test x"$pkg_config_$1" != x"no" ; then
+ $1_ll="`$PKG_CONFIG $8 --libs`"
+ AC_MSG_RESULT(pkg-config)
+ else
+ if test x"$$1_config" != x"no" ; then
+ $1_ll="`$$1_config --libs`"
+ AC_MSG_RESULT($$1_config)
+ else
+ if test x"$w_$1_p" != x"" ; then
+ $1_ll="-L$w_$1_p${deflib}"
+ AC_MSG_RESULT(prefix)
+ else
+ $1_ll="-L/usr${deflib}"
+ AC_MSG_RESULT(default)
+ fi
+ fi
+ fi
+ fi
+ lpaths="" ; xlibs="" ; xlf=""
+ for l in $$1_ll ; do
+ case $l in
+ -L*) lpaths="$lpaths $l" ;;
+ -l*) test x"$l" != x"-l$6" && xlibs="$xlibs $l" ;;
+ *) xlf="$xlf $l" ;;
+ esac
+ done
+ $1_ll="$lpaths"
+ $1_ll="`echo $$1_ll | sed -e 's/ */ /g'`"
+ xl=""
+ for i in $xlibs $xlf ; do
+ echo " $$3_EXTRA_LIBS " | grep -vq " $i " && xl="$xl $i"
+ done
+ $3_EXTRA_LIBS="$$3_EXTRA_LIBS $xl"
+ $3_EXTRA_LIBS="`echo $$3_EXTRA_LIBS | sed -e 's/ */ /g'`"
+
+ if test x"$6" != x"none" ; then
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS $$1_ll"
+ AC_CHECK_LIB([$6], [$7],
+ [$3_LIBS="$$1_ll -l$6 $$3_EXTRA_LIBS"],
+ [PKG_ERROR($1, lib$6, $2, $8, $9, [cannot link against lib$6])],
+ [$$3_EXTRA_LIBS])
+ LDFLAGS="$save_LDFLAGS"
+ fi
+
+ if test x"$this_pkg_err" = x"no" ; then
+ have_$1="yes"
+ fi
+
+else
+ $3_CFLAGS=""
+ $3_LIBS=""
+fi
+])
+
--- /dev/null
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+
+#include "image.h"
+#include "lbx.h"
+
+static const char *progname;
+#define errmsg(fmt, ...) (\
+ fprintf(stderr, "%s: " fmt, progname, __VA_ARGS__)\
+)
+
+enum {
+ MODE_NONE,
+ MODE_DECODE,
+ MODE_IDENT,
+};
+
+int main(int argc, char **argv)
+{
+ int mode = MODE_NONE, verbose = 0;
+ FILE *inf = stdin, *palf = NULL;
+ const char *name = "stdin";
+ LBX_IMG *img;
+ int opt;
+
+ static const char *sopts = "idvf:p:";
+ static const struct option lopts[] = {
+ { "info", 0, NULL, 'i' },
+ { "decode", 0, NULL, 'd' },
+ { "verbose", 0, NULL, 'v' },
+ { "file", 1, NULL, 'f' },
+ { "palette", 1, NULL, 'p' },
+
+ { 0 }
+ };
+
+ progname = "lbximg"; /* argv[0]; */
+ while ((opt = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
+ switch(opt) {
+ case 'i':
+ mode = MODE_IDENT;
+ break;
+ case 'd':
+ mode = MODE_DECODE;
+ break;
+ case 'v':
+ verbose = 1;
+ break;
+ case 'f':
+ if (strcmp(optarg, "-") == 0)
+ break;
+
+ name = strrchr(optarg, '/');
+ name = name ? name+1 : optarg;
+
+ inf = fopen(optarg, "rb");
+ if (!inf) {
+ errmsg("failed to open %s: %m\n", optarg);
+ return EXIT_FAILURE;
+ }
+ break;
+ case 'p':
+ palf = fopen(optarg, "rb");
+ if (!palf) {
+ errmsg("failed to open %s: %m\n", optarg);
+ return EXIT_FAILURE;
+ }
+
+ break;
+ default:
+ return EXIT_FAILURE;
+ }
+ }
+
+ if (mode == MODE_NONE) {
+ errmsg("you must specify a mode.\n", 0);
+ return EXIT_FAILURE;
+ }
+
+ img = lbximg_fopen(inf);
+ if (!img) {
+ errmsg("failed to open image: %s.\n", lbx_strerror());
+ return EXIT_FAILURE;
+ }
+
+ if (verbose || mode == MODE_IDENT) {
+ struct lbx_imginfo info;
+ lbximg_getinfo(img, &info);
+
+ printf("%s is %ux%u LBX image, %u frames\n",
+ name, info.width, info.height, info.nframes);
+ }
+
+ switch (mode) {
+ case MODE_DECODE:
+ errmsg("decode function not yet implemented.\n", 0);
+ break;
+ }
+
+ lbximg_close(img);
+ return EXIT_SUCCESS;
+}
projects / liblbx.git / commitdiff