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/*
* logotool - tool to modify logo images with simple compression
* Copyright (C) 2007
* pancake <pancake@youterm.com>
* esteve <esteve@eslack.org>
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <getopt.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define VERSION "0.1"
int uncompress_image(char *srcf, char *dstf);
int compress_image(char *srcf, char *dstf, int w, int h);
int rgb2yuv(char *from, char *to, int width, int height);
int rgba = 0;
static int show_usage()
{
printf("Usage: logotool [-flags]\n");
printf(" -u [img] uncompress image to img.rgb\n");
printf(" -c [img] compres a 24 bit rgb raw image to a 16(565) one\n");
printf(" -m [img] show image using mplayer (dumps to <img>.yuv)\n");
printf(" -v [img] view uncompressed image using the 'display'\n");
printf(" command from ImageMagick (in monochrome)\n");
printf(" -w specify width (required for -v and -c)\n");
printf(" -a force RGBA instead of RGB when compressing (use with -c)\n");
printf(" -h specify height (required for -v and -c)\n");
printf(" -V version number\n");
printf("\n");
printf("Example:\n");
printf(" $ `logotool -u logo-file` # uncompress and display a logo\n");
return 1;
}
int main ( int argc , char** argv )
{
int c;
int w=0,h=0;
char *mimg = NULL;
char *cimg = NULL;
char *uimg = NULL;
char *view = NULL;
while((c = getopt(argc, argv, "w:h:Vv:u:c:m:a")) != -1) {
switch(c) {
case 'V': printf("%s\n", VERSION); return 0;
case 'u': uimg = optarg; break;
case 'c': cimg = optarg; break;
case 'm': mimg = optarg; break;
case 'a': rgba = 1; break;
case 'w': w = atoi(optarg); break;
case 'h': h = atoi(optarg); break;
case 'v': view = optarg; break;
}
}
if (mimg) {
char *buf;
if (w==0||h==0) {
printf("You must specify width and height with '-w' and '-h'.\n");
return 1;
}
buf = (char *)malloc(strlen(mimg)+128);
sprintf(buf, "%s.rgb", mimg);
if ( rgb2yuv(mimg, buf, w,h ) ) {
sprintf(buf, "echo pause | mplayer %s.rgb -slave -demuxer rawvideo -rawvideo fps=1:w=%d:h=%d", mimg, w,h);
system(buf);
} else {
printf("Oops\n");
}
free(buf);
} else
if (view) {
char *buf;
if (w==0||h==0) {
printf("You must specify width and height with '-w' and '-h'.\n");
return 1;
}
buf = (char *)malloc(strlen(view)+128);
sprintf(buf, "display -size %dx%d -depth 16 %s", w,h,view);
printf("%s\n", buf);
system(buf);
free(buf);
} else
if (uimg) {
char *dst = (char*)malloc(strlen(uimg)+5);
strcpy(dst, uimg);
strcat(dst, ".gray");
uncompress_image(uimg, dst);
free(dst);
} else
if (cimg) {
char *dst;
if (w==0||h==0) {
printf("You must specify width and height with '-w' and '-h'.\n");
return 1;
}
dst = (char*)malloc(strlen(cimg)+6);
strcpy(dst, cimg);
strcat(dst, ".logo");
compress_image(cimg, dst, w, h);
free(dst);
} else
show_usage();
return 0;
}
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