| 1 |
#ifndef lint |
| 2 |
static const char RCSid[] = "$Id: meta2tga.c,v 1.3 2003/09/16 06:32:21 greg Exp $"; |
| 3 |
#endif |
| 4 |
/* |
| 5 |
* Program to convert meta-files to Targa 8-bit color-mapped format |
| 6 |
*/ |
| 7 |
|
| 8 |
#include "copyright.h" |
| 9 |
|
| 10 |
#include "rtprocess.h" |
| 11 |
#include "meta.h" |
| 12 |
#include "plot.h" |
| 13 |
#include "rast.h" |
| 14 |
#include "targa.h" |
| 15 |
|
| 16 |
#define MAXALLOC 5000 |
| 17 |
#define DXSIZE 400 /* default x resolution */ |
| 18 |
#define DYSIZE 400 /* default y resolution */ |
| 19 |
#define XCOM "pexpand +vOCImsp -DP %s | psort +y" |
| 20 |
|
| 21 |
|
| 22 |
char *progname; |
| 23 |
|
| 24 |
SCANBLOCK outblock; |
| 25 |
|
| 26 |
int dxsize = DXSIZE, dysize = DYSIZE; |
| 27 |
|
| 28 |
int maxalloc = MAXALLOC; |
| 29 |
|
| 30 |
int ydown = 0; |
| 31 |
|
| 32 |
static char outname[64]; |
| 33 |
static char *outtack = NULL; |
| 34 |
|
| 35 |
static FILE *fout; |
| 36 |
|
| 37 |
static int lineno = 0; |
| 38 |
|
| 39 |
static short condonly = FALSE, |
| 40 |
conditioned = FALSE; |
| 41 |
|
| 42 |
char * |
| 43 |
findtack(s) /* find place to tack on suffix */ |
| 44 |
register char *s; |
| 45 |
{ |
| 46 |
while (*s && *s != '.') |
| 47 |
s++; |
| 48 |
return(s); |
| 49 |
} |
| 50 |
|
| 51 |
|
| 52 |
main(argc, argv) |
| 53 |
|
| 54 |
int argc; |
| 55 |
char **argv; |
| 56 |
|
| 57 |
{ |
| 58 |
FILE *fp; |
| 59 |
char comargs[200], command[300]; |
| 60 |
|
| 61 |
fout = stdout; |
| 62 |
progname = *argv++; |
| 63 |
argc--; |
| 64 |
|
| 65 |
condonly = FALSE; |
| 66 |
conditioned = FALSE; |
| 67 |
|
| 68 |
while (argc && **argv == '-') { |
| 69 |
switch (*(*argv+1)) { |
| 70 |
case 'c': |
| 71 |
condonly = TRUE; |
| 72 |
break; |
| 73 |
case 'r': |
| 74 |
conditioned = TRUE; |
| 75 |
break; |
| 76 |
case 'm': |
| 77 |
minwidth = atoi(*++argv); |
| 78 |
argc--; |
| 79 |
break; |
| 80 |
case 'x': |
| 81 |
dxsize = atoi(*++argv); |
| 82 |
argc--; |
| 83 |
break; |
| 84 |
case 'y': |
| 85 |
dysize = atoi(*++argv); |
| 86 |
argc--; |
| 87 |
break; |
| 88 |
case 'o': |
| 89 |
strcpy(outname, *++argv); |
| 90 |
outtack = findtack(outname); |
| 91 |
argc--; |
| 92 |
break; |
| 93 |
default: |
| 94 |
error(WARNING, "unknown option"); |
| 95 |
break; |
| 96 |
} |
| 97 |
argv++; |
| 98 |
argc--; |
| 99 |
} |
| 100 |
|
| 101 |
if (conditioned) { |
| 102 |
if (argc) |
| 103 |
while (argc) { |
| 104 |
fp = efopen(*argv, "r"); |
| 105 |
plot(fp); |
| 106 |
fclose(fp); |
| 107 |
argv++; |
| 108 |
argc--; |
| 109 |
} |
| 110 |
else |
| 111 |
plot(stdin); |
| 112 |
if (lineno) |
| 113 |
nextpage(); |
| 114 |
} else { |
| 115 |
comargs[0] = '\0'; |
| 116 |
while (argc) { |
| 117 |
strcat(comargs, " "); |
| 118 |
strcat(comargs, *argv); |
| 119 |
argv++; |
| 120 |
argc--; |
| 121 |
} |
| 122 |
sprintf(command, XCOM, comargs); |
| 123 |
if (condonly) |
| 124 |
return(system(command)); |
| 125 |
else { |
| 126 |
if ((fp = popen(command, "r")) == NULL) |
| 127 |
error(SYSTEM, "cannot execute input filter"); |
| 128 |
plot(fp); |
| 129 |
pclose(fp); |
| 130 |
if (lineno) |
| 131 |
nextpage(); |
| 132 |
} |
| 133 |
} |
| 134 |
|
| 135 |
return(0); |
| 136 |
} |
| 137 |
|
| 138 |
|
| 139 |
|
| 140 |
|
| 141 |
|
| 142 |
|
| 143 |
thispage() /* rewind current file */ |
| 144 |
{ |
| 145 |
if (lineno) |
| 146 |
error(USER, "cannot restart page in thispage"); |
| 147 |
} |
| 148 |
|
| 149 |
|
| 150 |
|
| 151 |
initfile() /* initialize this file */ |
| 152 |
{ |
| 153 |
static int filenum = 0; |
| 154 |
/* |
| 155 |
static unsigned char cmap[24] = {255,255,255, 255,152,0, 0,188,0, 0,0,255, |
| 156 |
179,179,0, 255,0,255, 0,200,200, 0,0,0}; |
| 157 |
*/ |
| 158 |
static unsigned char cmap[24] = {0,0,0, 0,0,255, 0,188,0, 255,152,0, |
| 159 |
0,200,200, 255,0,255, 179,179,0, 255,255,255}; |
| 160 |
struct hdStruct thead; |
| 161 |
register int i; |
| 162 |
|
| 163 |
if (outtack != NULL) { |
| 164 |
sprintf(outtack, "%d.tga", ++filenum); |
| 165 |
fout = efopen(outname, "w"); |
| 166 |
} |
| 167 |
if (fout == NULL) |
| 168 |
error(USER, "no output file"); |
| 169 |
thead.mapType = CM_HASMAP; |
| 170 |
thead.dataType = IM_CCMAP; |
| 171 |
thead.mapOrig = 0; |
| 172 |
thead.mapLength = 256; |
| 173 |
thead.CMapBits = 24; |
| 174 |
thead.XOffset = 0; |
| 175 |
thead.YOffset = 0; |
| 176 |
thead.x = dxsize; |
| 177 |
thead.y = dysize; |
| 178 |
thead.dataBits = 8; |
| 179 |
thead.imType = 0; |
| 180 |
putthead(&thead, NULL, fout); |
| 181 |
for (i = 0; i < 8*3; i++) |
| 182 |
putc(cmap[i], fout); |
| 183 |
while (i++ < 256*3) |
| 184 |
putc(0, fout); |
| 185 |
} |
| 186 |
|
| 187 |
|
| 188 |
|
| 189 |
|
| 190 |
nextpage() /* advance to next page */ |
| 191 |
|
| 192 |
{ |
| 193 |
|
| 194 |
if (lineno == 0) |
| 195 |
return; |
| 196 |
if (fout != NULL) { |
| 197 |
while (lineno < dysize) { |
| 198 |
nextblock(); |
| 199 |
outputblock(); |
| 200 |
} |
| 201 |
fclose(fout); |
| 202 |
fout = NULL; |
| 203 |
} |
| 204 |
lineno = 0; |
| 205 |
|
| 206 |
} |
| 207 |
|
| 208 |
|
| 209 |
|
| 210 |
#define MINRUN 4 |
| 211 |
|
| 212 |
|
| 213 |
printblock() /* output scanline block to file */ |
| 214 |
|
| 215 |
{ |
| 216 |
int i, c2; |
| 217 |
register unsigned char *scanline; |
| 218 |
register int j, beg, cnt; |
| 219 |
|
| 220 |
if (lineno == 0) |
| 221 |
initfile(); |
| 222 |
for (i = outblock.ybot; i <= outblock.ytop && i < dysize; i++) { |
| 223 |
scanline = outblock.cols[i-outblock.ybot]; |
| 224 |
for (j = outblock.xleft; j <= outblock.xright; j += cnt) { |
| 225 |
for (beg = j; beg <= outblock.xright; beg += cnt) { |
| 226 |
for (cnt = 1; cnt < 128 && beg+cnt <= outblock.xright && |
| 227 |
scanline[beg+cnt] == scanline[beg]; cnt++) |
| 228 |
; |
| 229 |
if (cnt >= MINRUN) |
| 230 |
break; /* long enough */ |
| 231 |
} |
| 232 |
while (j < beg) { /* write out non-run */ |
| 233 |
if ((c2 = beg-j) > 128) c2 = 128; |
| 234 |
putc(c2-1, fout); |
| 235 |
while (c2--) |
| 236 |
putc(scanline[j++], fout); |
| 237 |
} |
| 238 |
if (cnt >= MINRUN) { /* write out run */ |
| 239 |
putc(127+cnt, fout); |
| 240 |
putc(scanline[beg], fout); |
| 241 |
} else |
| 242 |
cnt = 0; |
| 243 |
} |
| 244 |
lineno++; |
| 245 |
} |
| 246 |
|
| 247 |
} |
| 248 |
|
| 249 |
|
| 250 |
putint2(i, fp) /* put a 2-byte positive integer */ |
| 251 |
register int i; |
| 252 |
register FILE *fp; |
| 253 |
{ |
| 254 |
putc(i&0xff, fp); |
| 255 |
putc(i>>8&0xff, fp); |
| 256 |
} |
| 257 |
|
| 258 |
|
| 259 |
putthead(hp, ip, fp) /* write header to output */ |
| 260 |
struct hdStruct *hp; |
| 261 |
char *ip; |
| 262 |
register FILE *fp; |
| 263 |
{ |
| 264 |
if (ip != NULL) |
| 265 |
putc(strlen(ip), fp); |
| 266 |
else |
| 267 |
putc(0, fp); |
| 268 |
putc(hp->mapType, fp); |
| 269 |
putc(hp->dataType, fp); |
| 270 |
putint2(hp->mapOrig, fp); |
| 271 |
putint2(hp->mapLength, fp); |
| 272 |
putc(hp->CMapBits, fp); |
| 273 |
putint2(hp->XOffset, fp); |
| 274 |
putint2(hp->YOffset, fp); |
| 275 |
putint2(hp->x, fp); |
| 276 |
putint2(hp->y, fp); |
| 277 |
putc(hp->dataBits, fp); |
| 278 |
putc(hp->imType, fp); |
| 279 |
|
| 280 |
if (ip != NULL) |
| 281 |
fputs(ip, fp); |
| 282 |
|
| 283 |
return(ferror(fp) ? -1 : 0); |
| 284 |
} |
