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greg |
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#ifndef lint |
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greg |
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static const char RCSid[] = "$Id$"; |
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greg |
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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 "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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FILE *popen(); |
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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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