* Initial import of the logotool utility
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@@ -0,0 +1,8 @@
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OBJ=logotool.o compress.o uncompress.o rgb2yuv.o
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CFLAGS=-Wall -g
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all: ${OBJ}
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${CC} ${OBJ} -o logotool
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clean:
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rm -f ${OBJ} logotool
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@@ -0,0 +1,17 @@
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Compressing/Uncompressing images
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================================
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To compress your image type:
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$ gimp -> create an image and save as raw rgb (24 bits)
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$ logotool -w 300 -h 200 -c MyImage.rgb
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This command will create MyImage.rgb.logo
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You can check if the image is fine typing:
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$ logotool -u MyImage.rgb.logo
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To see the image you'll need mplayer and type this:
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$ `logotool -u MyImage.rgb.logo`
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@@ -0,0 +1,72 @@
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/*
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* Copyright (C) 2007
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* pancake <pancake@youterm.com>
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* esteve <esteve@eslack.org>
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*
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* logotool is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* logotool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with logotool; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <getopt.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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int compress_image(char *srcf, char *dstf, int w, int h)
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{
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char buf[256];
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char tmp[256];
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int fd, fdout;
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int i,ret;
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fd = open(srcf, O_RDONLY);
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if (fd == -1) {
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printf("Cannot open file '%s' \n", srcf);
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return 1;
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}
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fdout = open( dstf, O_CREAT | O_WRONLY , 0660 );
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if (fdout == -1) {
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printf("Cannot open file '%s' for writing\n", dstf);
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return 1;
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}
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// TODO: force little endian!! (not safe for big endian)
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write(fdout, &w, 4);
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write(fdout, &h, 4);
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for(;;) {
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unsigned char c;
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ret = read(fd, buf, 3*80);
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c = (int)((2*ret/3)>>1);
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write(fdout,&c, 1);
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if (ret <= 0) break;
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for(i=0;i<ret;i+=3) {
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tmp[0] = buf[i+0]&0xf8;
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tmp[0] |= buf[i+1]&0x07;
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tmp[1] = buf[i+1]&0xe0;
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tmp[1] |= buf[i+1]&0x1f;
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write(fdout, tmp, 2);
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}
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}
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close(fd);
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close(fdout);
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printf("eval PATH=$PWD:$PATH logotool -u %s\n", dstf);
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return 1;
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}
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@@ -0,0 +1,127 @@
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/*
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* Copyright (C) 2007
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* pancake <pancake@youterm.com>
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* esteve <esteve@eslack.org>
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*
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* logotool is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* logotool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with logotool; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <getopt.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#define VERSION "0.1"
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int uncompress_image(char *srcf, char *dstf);
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int compress_image(char *srcf, char *dstf, int w, int h);
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static int show_usage()
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{
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printf("Usage: logotool [-flags]\n");
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printf(" -u [img] uncompress image to img.rgb\n");
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printf(" -c [img] compres a 24 bit rgb raw image to a 16(565) one\n");
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printf(" -m [img] show image using mplayer (dumps to <img>.yuv)\n");
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printf(" -v [img] view uncompressed image using the 'display'\n");
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printf(" command from ImageMagick (in monochrome)\n");
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printf(" -w specify width (required for -v and -c)\n");
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printf(" -h specify height (required for -v and -c)\n");
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printf(" -V version number\n");
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printf("\n");
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printf("Example:\n");
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printf(" $ `logotool -u logo-file` # uncompress and display a logo\n");
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return 1;
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}
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int main ( int argc , char** argv )
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{
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int c;
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int w=0,h=0;
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char *mimg = NULL;
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char *cimg = NULL;
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char *uimg = NULL;
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char *view = NULL;
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while((c = getopt(argc, argv, "w:h:Vv:u:c:m:")) != -1) {
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switch(c) {
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case 'V': printf("%s\n", VERSION); return 0;
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case 'u': uimg = optarg; break;
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case 'c': cimg = optarg; break;
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case 'm': mimg = optarg; break;
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case 'w': w = atoi(optarg); break;
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case 'h': h = atoi(optarg); break;
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case 'v': view = optarg; break;
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}
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}
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if (mimg) {
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char *buf;
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if (w==0||h==0) {
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printf("You must specify width and height with '-w' and '-h'.\n");
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return 1;
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}
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buf = (char *)malloc(strlen(mimg)+128);
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sprintf(buf, "%s.rgb", mimg);
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if ( rgb2yuv(mimg, buf, w,h ) ) {
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sprintf(buf, "echo pause | mplayer %s.rgb -slave -demuxer rawvideo -rawvideo fps=1:w=416:h=70", mimg);
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system(buf);
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} else {
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printf("Oops\n");
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}
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free(buf);
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} else
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if (view) {
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char *buf;
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if (w==0||h==0) {
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printf("You must specify width and height with '-w' and '-h'.\n");
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return 1;
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}
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buf = (char *)malloc(strlen(view)+128);
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sprintf(buf, "display -size %dx%d -depth 16 %s", w,h,view);
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printf("%s\n", buf);
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system(buf);
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free(buf);
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} else
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if (uimg) {
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char *dst = (char*)malloc(strlen(uimg)+5);
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strcpy(dst, uimg);
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strcat(dst, ".gray");
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uncompress_image(uimg, dst);
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free(dst);
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} else
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if (cimg) {
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char *dst;
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if (w==0||h==0) {
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printf("You must specify width and height with '-w' and '-h'.\n");
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return 1;
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}
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dst = (char*)malloc(strlen(cimg)+5);
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strcpy(dst, cimg);
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strcat(dst, ".logo");
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compress_image(cimg, dst, w, h);
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free(dst);
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} else
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show_usage();
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return 0;
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}
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@@ -0,0 +1,112 @@
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/*
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* Copyright (C) 2007
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* esteve <esteve@eslack.org>
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*
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* logotool is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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|
* the Free Software Foundation; either version 2 of the License, or
|
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|
* (at your option) any later version.
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*
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* logotool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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|
* GNU General Public License for more details.
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|
*
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|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with logotool; if not, write to the Free Software
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|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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void RGBtoYUV(unsigned short in565, unsigned char *yuv)
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{
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/* 2 bytes, 565
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* RRRRR GGGGGG BBBBB
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*/
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int i;
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i = (in565>>8)&0xFF;
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in565 = (in565<<8)&0xFF00;
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in565 |= i;
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int rgb[3];
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rgb[0] = (in565>>11)&0x1F;
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rgb[1] = (in565>>5)&0x3F;
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rgb[2] = (in565)&0x1F;
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rgb[0] = (rgb[0]<<3) | 0x7;
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rgb[1] = (rgb[1]<<2) | 0x3;
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rgb[2] = (rgb[2]<<3) | 0x7;
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/*yuv[0] = 0.299*rgb[0] + 0.587*rgb[1] + 0.114*rgb[2];
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yuv[1] = (rgb[2]-yuv[0])*0.565 + 128;
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yuv[2] = (rgb[0]-yuv[0])*0.713 + 128;*/
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yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16;
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yuv[1] = 128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]);
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yuv[2] = 128 + (0.439 * rgb[0]) - (0.368 * rgb[1]) - (0.071 * rgb[2]);
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}
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// mplayer caca.yuv -demuxer rawvideo -rawvideo fps=1:w=416:h=70 //:i420
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int rgb2yuv(char *from, char *to, int width, int height)
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{
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int fd=open (from, O_RDONLY );
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int fout= open ( to, O_CREAT| O_WRONLY , 0660 );
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int fsize;
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unsigned char* src;
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unsigned char* dstY;
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unsigned char* dstU;
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unsigned char* dstV;
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unsigned char YUV[3];
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unsigned short inP;
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int i,j;
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if (fd == -1) {
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printf("cannot open %s\n", from);
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return 0;
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|
}
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if (fout == -1) {
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printf("cannot open %s\n", to);
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return 0;
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|
}
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fsize = lseek ( fd, 0,SEEK_END);
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fsize = lseek ( fd, 0,SEEK_CUR);
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lseek ( fd,0, SEEK_SET);
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src=malloc ( fsize );
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dstY=malloc ( (fsize/2) );
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dstU=malloc ( (fsize/2) );
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dstV=malloc ( (fsize/2) );
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for ( i = 0 ; i < fsize; i+=2 ) {
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read ( fd, &inP, 2 );
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RGBtoYUV ( inP, YUV );
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dstY[i>>1]=YUV[0];
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dstU[i>>1]=YUV[1];
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dstV[i>>1]=YUV[2];
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|
}
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for ( i = 0 ; i < (fsize/2); i++ )
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write ( fout,&dstY[i], 1);
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for ( i = 0 ; i < height ; i+=2 )
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for ( j = 0; j < width ; j +=2 )
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write ( fout,&dstU[j+(i*width)], 1);
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for ( i = 0 ; i < height ; i+=2 )
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for ( j = 0; j < width ; j +=2 )
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|
write ( fout,&dstV[j+(i*width)], 1);
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return 1;
|
||||||
|
}
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@@ -0,0 +1,124 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (C) 2007
|
||||||
|
* pancake <pancake@youterm.com>
|
||||||
|
* esteve <esteve@eslack.org>
|
||||||
|
*
|
||||||
|
* logotool 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.
|
||||||
|
*
|
||||||
|
* logotool 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 logotool; if not, write to the Free Software
|
||||||
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#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>
|
||||||
|
|
||||||
|
int uncompress_image(char *srcf, char *dstf)
|
||||||
|
{
|
||||||
|
int fd;
|
||||||
|
int fout;
|
||||||
|
int width,height;
|
||||||
|
int fsize;
|
||||||
|
char* src;
|
||||||
|
char* dst;
|
||||||
|
char* src2;
|
||||||
|
char* eof;
|
||||||
|
char *deof;
|
||||||
|
char* dst2 = NULL;
|
||||||
|
unsigned char byte;
|
||||||
|
|
||||||
|
fd = open( srcf, O_RDONLY );
|
||||||
|
|
||||||
|
if (fd == -1) {
|
||||||
|
printf("Cannot open file '%s'\n", srcf);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
fout = open( dstf, O_CREAT | O_WRONLY , 0660 );
|
||||||
|
|
||||||
|
if (fout == -1) {
|
||||||
|
printf("Cannot open file '%s' for writing\n", dstf);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
fprintf(stderr, "Input file: %s\n", srcf);
|
||||||
|
fprintf(stderr, "Output file: %s\n", dstf);
|
||||||
|
fsize = lseek ( fd, 0,SEEK_END);
|
||||||
|
fsize = lseek ( fd, 0,SEEK_CUR);
|
||||||
|
lseek ( fd,0, SEEK_SET);
|
||||||
|
|
||||||
|
fsize -= 8;
|
||||||
|
|
||||||
|
read ( fd, &width, 4 );
|
||||||
|
read ( fd, &height, 4 );
|
||||||
|
|
||||||
|
fprintf(stderr, "Width: %d\nHeight: %d\n",width, height);
|
||||||
|
fprintf(stderr, "Input Size: %d\n",fsize);
|
||||||
|
src = malloc ( fsize );
|
||||||
|
dst = malloc ( width*height*2 );
|
||||||
|
deof = dst+width*height*2;
|
||||||
|
if ((int)src == -1 || (int)dst == -1 ) {
|
||||||
|
printf("Cannot malloc\n");
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
memset(dst,'\0', width*height*2);
|
||||||
|
|
||||||
|
read(fd, src, fsize);
|
||||||
|
eof = src+fsize;
|
||||||
|
|
||||||
|
for(dst2 = dst, src2 = src; src2<eof;) {
|
||||||
|
//byte = src2[0] & 0xff;
|
||||||
|
//src2 = src2 + 1;
|
||||||
|
byte=(*src2++)&0xff;
|
||||||
|
// [1xxxyyyy] [char] [char]
|
||||||
|
// copies xxxyyyy times two chars
|
||||||
|
if (byte > 0x7f) {
|
||||||
|
int i,j = byte&0x7f;
|
||||||
|
for(i=0; i++<j; dst2+=2)
|
||||||
|
memcpy(dst2, src2, 2);
|
||||||
|
src2+=2;
|
||||||
|
} else {
|
||||||
|
if ( byte != 0x00 ) {
|
||||||
|
byte<<=1;
|
||||||
|
// fprintf(stderr, "COPYING: %d %d\n", byte, (eof-src2));
|
||||||
|
if ((dst2+byte >= deof || (src2+byte >= eof))) {
|
||||||
|
fprintf(stderr, "Break\n");
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
memcpy(dst2, src2, byte);
|
||||||
|
src2+=byte; dst2+=byte;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
fprintf(stderr, "Output Size: %d\n",dst2-dst);
|
||||||
|
|
||||||
|
if ((dst2-dst)!=(width*height*2))
|
||||||
|
fprintf(stderr, "failed?\n");
|
||||||
|
|
||||||
|
write ( fout, dst, width*height*2);
|
||||||
|
|
||||||
|
close(fout);
|
||||||
|
close(fd);
|
||||||
|
|
||||||
|
//printf("./logotool -w %d -h %d -v %s || \n", width, height, dstf);
|
||||||
|
//printf("logotool -w %d -h %d -v %s\n", width, height, dstf);
|
||||||
|
printf("eval PATH=$PWD:$PATH logotool -w %d -h %d -m %s\n", width, height, dstf);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
Reference in new issue
Block a user