X-Git-Url: https://gapil.gnulinux.it/gitweb/?p=gapil.git;a=blobdiff_plain;f=sources%2FBarCode.c;fp=sources%2FBarCode.c;h=a6d1519d35dbf58389a47159ab8e00b1e9c58f08;hp=0000000000000000000000000000000000000000;hb=b1ead1b930038e4f7cd6ee7f737d7ee4699a068c;hpb=d12bc3e1e4b3ee762036d1c226c3b2ba1a720fb9

diff --git a/sources/BarCode.c b/sources/BarCode.c
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+/* BarCode.c
+ * 
+ * Copyright (C) 2002 Simone Piccardi
+ * 
+ * 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/****************************************************************
+ *
+ * Program barcode 
+ * CGI for barcode generation
+ *
+ * Author: Simone Piccardi
+ * Jun. 2002
+ *
+ * Usage: cgi-bin for apache.
+ * Called by downloading something like:
+ * http://localhost/cgi-bin/barcode?string
+ * where string is the code to be converted
+ *
+ * $Id: BarCode.c,v 1.9 2003/05/02 09:55:13 piccardi Exp $ 
+ *
+ ****************************************************************/
+/* 
+ * Include needed headers
+ */
+#include <sys/types.h>   /* predefined types */
+#include <sys/stat.h>    /* stat deinitiions */
+#include <unistd.h>      /* include unix standard library */
+/* */
+#include <stdio.h>	 /* include standard I/O library */
+#include <stdlib.h>	 /* include standard library */
+#include <string.h>	 /* include string library */
+#include <wait.h>	 /* include wait call */
+#include <fcntl.h>
+#include <assert.h>
+#include <time.h>
+
+#include"macros.h"
+
+/* Program begin */
+int main(int argc, char *argv[], char *envp[])
+{
+/*
+ * Variables definition	 
+ */
+    FILE *pipe[4];
+    FILE *pipein;
+    char *cmd_string[4]={
+	"pnmtopng",
+	"pnmmargin -white 10",
+	"pnmcrop",
+	"gs -sDEVICE=ppmraw -sOutputFile=- -sNOPAUSE -q - -c showpage -c quit"
+    };	
+    char content[]="Content-type: image/png\n\n";
+    int i;
+    /* write mime-type to stdout */ 
+    write(STDOUT_FILENO, content, strlen(content));
+    /* execute chain of command */
+    for (i=0; i<4; i++) {
+	pipe[i] = popen(cmd_string[i], "w");
+	dup2(fileno(pipe[i]), STDOUT_FILENO); 
+    }
+    /* create barcode (in PS) */
+    pipein = popen("barcode", "w");
+    /* send barcode string to barcode program */
+    write(fileno(pipein), argv[1], strlen(argv[1]));
+    pclose(pipein);
+    /* close all pipes (in reverse order) */
+    for (i=4; i==0; i--) {
+	pclose((pipe[i]));
+    }
+    exit(0);
+}