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#ifndef lint
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static const char RCSid[] = "$Id: t16anim.c,v 1.3 2003/10/27 10:32:06 schorsch Exp $";
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#endif
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/*
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* Send Targa 16-bit files to PC animation system.
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*
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* 6/20/88
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*/
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#include <stdio.h>
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#include "rtprocess.h"
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#include "client/clnt.h"
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#include "targa.h"
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#define goodpic(h) (((h)->dataType==IM_RGB || (h)->dataType==IM_CRGB) \
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&& (h)->dataBits==16)
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char *pcom = NULL; /* uncompress command */
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main(argc, argv)
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int argc;
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char **argv;
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{
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int startrec = 0;
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char *progname;
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int prognum = PCPROGRAM;
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/* initialize */
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for (progname = *argv++; --argc; argv++)
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if (!strcmp(*argv, "-p") && argv[1]) {
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prognum = atoi(*++argv); argc--;
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} else if (!strcmp(*argv, "-u") && argv[1]) {
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pcom = *++argv; argc--;
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} else if (!strcmp(*argv, "-r") && argv[1]) {
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startrec = atoi(*++argv); argc--;
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} else
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break;
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if (!argc) {
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fputs("Usage: ", stderr);
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fputs(progname, stderr);
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fputs(" [-p prognum] [-u uncompress] [-r record] hostname [frame..]\n",
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stderr);
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exit(1);
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}
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scry_open(*argv++, prognum); argc--;
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scry_get_info(2) ;
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scry_set_compress(NONE);
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if (startrec > 0)
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scry_init_record(startrec, argc>0?argc:1);
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else
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scry_init_record(PREVIEW,0);
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/* send frames */
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if (argc <= 0)
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sendframe(NULL);
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else
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for ( ; argc > 0; argc--, argv++)
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sendframe(*argv);
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/* clean up */
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scry_close();
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exit(0);
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}
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sendframe(file) /* convert and send a frame */
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char *file;
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{
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static struct hdStruct head;
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char command[128];
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register FILE *fp;
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register int i, j;
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register int c;
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/* DAVIDR */
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unsigned char *image_read,*newimage,*compdata ;
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int new_ht, new_wd, new_depth ;
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/* end DAVIDR */
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/* open file */
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if (file == NULL) {
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if (pcom != NULL)
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fp = popen(pcom, "r");
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else
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fp = stdin;
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file = "<stdin>";
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} else {
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if (pcom != NULL) {
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sprintf(command, "( %s ) < %s", pcom, file);
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fp = popen(command, "r");
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} else
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fp = fopen(file, "r");
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}
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if (fp == NULL) {
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perror(file);
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exit(1);
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}
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/* check format */
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if (getthead(&head, NULL, fp) == -1 || !goodpic(&head))
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goto badfmt;
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/* DAVIDR */
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image_read = (unsigned char *) malloc((head.dataBits)/8 * head.x * head.y) ;
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/* get frame */
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for (i = 0 ; i < head.y ; i++)
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fread(&(image_read[(head.y-i-1)*head.x*(head.dataBits/8)]),(head.dataBits)/8,head.x,fp) ;
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newimage = NULL ;
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/* convert to server size and visual */
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scry_conv_vis (image_read,&newimage,head.y,head.x,&new_ht,&new_wd,(head.dataBits)/8,&new_depth) ;
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free (image_read) ;
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compdata = NULL ;
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/* compress if necessary */
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scry_compress(newimage,&compdata,new_ht,new_wd,new_depth) ;
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/* send frame */
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scry_send_frame(compdata);
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free(newimage) ;
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free(compdata) ;
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/* end DAVIDR */
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/* close file */
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if (pcom != NULL)
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pclose(fp);
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else
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fclose(fp);
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return;
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badfmt:
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fputs(file, stderr);
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fputs(": wrong targa format\n", stderr);
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exit(1);
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readerr:
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fputs(file, stderr);
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fputs(": read error\n", stderr);
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exit(1);
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}
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getthead(hp, ip, fp) /* read header from input */
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struct hdStruct *hp;
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char *ip;
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register FILE *fp;
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{
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int nidbytes;
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if ((nidbytes = getc(fp)) == EOF)
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return(-1);
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hp->mapType = getc(fp);
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hp->dataType = getc(fp);
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hp->mapOrig = getint2(fp);
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hp->mapLength = getint2(fp);
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hp->CMapBits = getc(fp);
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hp->XOffset = getint2(fp);
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hp->YOffset = getint2(fp);
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hp->x = getint2(fp);
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hp->y = getint2(fp);
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hp->dataBits = getc(fp);
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hp->imType = getc(fp);
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if (ip != NULL)
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if (nidbytes)
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fread(ip, nidbytes, 1, fp);
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else
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*ip = '\0';
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else if (nidbytes)
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fseek(fp, (long)nidbytes, 1);
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return(feof(fp) || ferror(fp) ? -1 : 0);
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}
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int
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getint2(fp) /* get a 2-byte positive integer */
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register FILE *fp;
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{
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register int b1, b2;
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if ((b1 = getc(fp)) == EOF || (b2 = getc(fp)) == EOF) {
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fputs("Unexpected EOF\n", stderr);
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exit(1);
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}
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return(b1 | b2<<8);
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}
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