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#include "config.h"
/* Convert images between formats, using Imlib2's API. Smart enough to know
* about edb files; defaults to jpg's.
*/
#include <ctype.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define X_DISPLAY_MISSING
#include <Imlib2.h>
#define PROG_NAME "imlib2_conv"
static void usage(int exit_status);
int
main(int argc, char **argv)
{
char *dot, *colon, *n, *oldn;
Imlib_Image im;
/* I'm just plain being lazy here.. get our basename. */
for (oldn = n = argv[0]; n; oldn = n)
n = strchr(++oldn, '/');
if (argc < 3 || !strcmp(argv[1], "-h"))
usage(-1);
if (!(im = imlib_load_image(argv[1])))
{
fprintf(stderr, PROG_NAME ": Error loading image: %s\n", argv[1]);
exit(-1);
}
/* we only care what format the export format is. */
imlib_context_set_image(im);
/* hopefully the last one will be the one we want.. */
dot = strrchr(argv[2], '.');
/* if there's a format, snarf it and set the format. */
if (dot && *(dot + 1))
{
colon = strrchr(++dot, ':');
/* if a db file with a key, export it to a db. */
if (colon && *(colon + 1))
{
*colon = 0;
/* beats having to look for strcasecmp() */
if (!strncmp(dot, "db", 2) || !strncmp(dot, "dB", 2) ||
!strncmp(dot, "DB", 2) || !strncmp(dot, "Db", 2))
{
imlib_image_set_format("db");
}
*colon = ':';
}
else
{
char *p, *q;
/* max length of 8 for format name. seems reasonable. */
q = p = malloc(8);
memset(p, 0, 8);
strncpy(p, dot, (strlen(dot) < 9) ? strlen(dot) : 8);
/* Imlib2 only recognizes lowercase formats. convert it. */
for (q[8] = 0; *q; q++)
*q = tolower(*q);
imlib_image_set_format(p);
free(p);
}
dot--;
}
else
imlib_image_set_format("jpg");
imlib_save_image(argv[2]);
return 0;
}
static void
usage(int exit_status)
{
fprintf(exit_status ? stderr : stdout,
PROG_NAME ": Convert images between formats (part of the "
"Imlib2 package)\n\n"
"Usage: " PROG_NAME " [ -h | <image1> <image2[.fmt]> ]\n"
" <fmt> defaults to jpg if not provided; images in "
"edb files are supported via\n"
" the file.db:/key/name convention.\n"
" -h shows this help.\n\n");
exit(exit_status);
}
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