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- /*
- pbmtopk, adapted from "pxtopk.c by tomas rokicki" by AJCD 1/8/90
-
- compile with: cc -o pbmtopk pbmtopk.c -lm -lpbm
- */
-
- #include <stdio.h>
- #include <pbm.h>
- #include <math.h>
- #include <ctype.h>
-
- #define MAXPKCHAR 256
- #define MAXOPTLINE 200
- #define MAXWIDTHTAB 256
- #define MAXHEIGHTTAB 16
- #define MAXDEPTHTAB 16
- #define MAXITALICTAB 64
- #define MAXPARAMS 30
- #define NAMELENGTH 80
-
- #define true (1)
- #define false (0)
- #define chr(a) a
-
- #define round(a) ((int)(a+.5))
- #define fixword(d) ((int)aint((double)((d)*1048576)))
- #define unfixword(f) ((double)(f) / 1048576)
- #define fixrange(f) ((f) < 16777216 && (f) > -16777216)
- #define designunits(p) ((p)*72.27/(double)resolution/unfixword(designsize))
-
- /* character flags: in order of appearance in option files. */
- #define XOFFSET 1
- #define YOFFSET 2
- #define HORZESC 4
- #define VERTESC 8
- #define TFMWIDTH 16
- #define TFMHEIGHT 32
- #define TFMDEPTH 64
- #define TFMITALIC 128
-
- typedef int integer ;
- typedef char quarterword ;
- typedef char boolean ;
- typedef quarterword ASCIIcode ;
- typedef quarterword eightbits ;
- typedef FILE *bytefile ;
- typedef unsigned char byte ;
-
- integer resolution, designsize ;
- char *filename[MAXPKCHAR] ;
-
- integer xoffset[MAXPKCHAR] ;
- integer yoffset[MAXPKCHAR] ;
- integer horzesc[MAXPKCHAR] ;
- integer vertesc[MAXPKCHAR] ;
-
- byte tfmindex[MAXPKCHAR] ;
- byte hgtindex[MAXPKCHAR] ;
- byte depindex[MAXPKCHAR] ;
- byte italindex[MAXPKCHAR] ;
- byte charflags[MAXPKCHAR] ;
-
- bit **bitmap ;
- integer smallestch, largestch ;
- integer emwidth ;
- integer checksum ;
- char *codingscheme = "GRAPHIC" ;
- char *familyname = "PBM" ;
-
- integer widthtab[MAXWIDTHTAB] ; /* TFM widths */
- integer numwidth ; /* number of entries in width table */
- integer heighttab[MAXHEIGHTTAB] ;
- integer numheight ;
- integer depthtab[MAXDEPTHTAB] ;
- integer numdepth ;
- integer italictab[MAXITALICTAB] ;
- integer numitalic ;
- integer parameters[MAXPARAMS] ;
- integer numparam ;
-
- ASCIIcode xord[128] ;
- char xchr[256] ;
- bytefile tfmfile, pkfile ;
- char tfmname[NAMELENGTH+1], pkname[NAMELENGTH+1] ;
- integer pkloc ;
- integer bitweight ;
- integer outputbyte ;
- integer car ;
- integer hppp ;
- integer width ;
- integer height ;
- integer power[32] ;
-
- integer
- compute_checksum()
- {
- /*
- begin
- c0:=bc; c1:=ec; c2:=bc; c3:=ec;
- for c:=bc to ec do if char_wd[c]>0 then
- begin
- temp_width:=memory[char_wd[c]];
- if design_units<>unity then
- temp_width:=round((temp_width/design_units)*1048576.0);
- temp_width:=temp_width + (c+4)*@'20000000; {this should be positive}
- c0:=(c0+c0+temp_width) mod 255;
- c1:=(c1+c1+temp_width) mod 253;
- c2:=(c2+c2+temp_width) mod 251;
- c3:=(c3+c3+temp_width) mod 247;
- end;
- header_bytes[check_sum_loc]:=c0;
- header_bytes[check_sum_loc+1]:=c1;
- header_bytes[check_sum_loc+2]:=c2;
- header_bytes[check_sum_loc+3]:=c3;
- end
- */
- }
-
- #define add_tfmwidth(v) (add_tfmtable(widthtab, &numwidth, v, MAXWIDTHTAB,\
- "TFM width"))
- #define add_tfmheight(v) (add_tfmtable(heighttab, &numheight, v, MAXHEIGHTTAB,\
- "TFM height"))
- #define add_tfmdepth(v) (add_tfmtable(depthtab, &numdepth, v, MAXDEPTHTAB,\
- "TFM depth"))
- #define add_tfmitalic(v) (add_tfmtable(italictab, &numitalic, v, MAXITALICTAB,\
- "Italic correction"))
- byte
- add_tfmtable(table, count, value, max, name)
- integer *table, *count, value, max;
- char *name;
- {
- integer i;
- for (i = 0; i < *count; i++) /* search for value in tfm table */
- if (table[i] == value) return (byte)i;
- if (*count >= max) {
- fprintf(stderr, "Too many values in %s table!\n", name) ;
- jumpout();
- }
- if (!fixrange(value)) {
- fprintf(stderr, " %s %f for char %d out of range!\n",
- name, unfixword(value), car);
- jumpout();
- }
- table[*count] = value ;
- return (*count)++ ;
- }
-
- add_suffix(name, suffix)
- char *name, *suffix ;
- {
- int haveext = 0;
- if (name && strcmp(name, "-")) {
- while (*name) {
- if (*name == '/') haveext = 0 ;
- else if (*name == '.') haveext = 1 ;
- name++ ;
- }
- if (!haveext) {
- *name++ = '.';
- strcpy(name,suffix) ;
- }
- }
- }
-
- initialize()
- {
- integer i ;
- fprintf(stderr, "This is PBMtoPK, C Version 2.3\n") ;
- for (i = 0 ; i <= 31 ; i ++) xchr[i] = '?' ;
- xchr[32] = ' ' ;
- xchr[33] = '!' ;
- xchr[34] = '"' ;
- xchr[35] = '#' ;
- xchr[36] = '$' ;
- xchr[37] = '%' ;
- xchr[38] = '&' ;
- xchr[39] = '\'' ;
- xchr[40] = '(' ;
- xchr[41] = ')' ;
- xchr[42] = '*' ;
- xchr[43] = '+' ;
- xchr[44] = ',' ;
- xchr[45] = '-' ;
- xchr[46] = '.' ;
- xchr[47] = '/' ;
- xchr[48] = '0' ;
- xchr[49] = '1' ;
- xchr[50] = '2' ;
- xchr[51] = '3' ;
- xchr[52] = '4' ;
- xchr[53] = '5' ;
- xchr[54] = '6' ;
- xchr[55] = '7' ;
- xchr[56] = '8' ;
- xchr[57] = '9' ;
- xchr[58] = ':' ;
- xchr[59] = ';' ;
- xchr[60] = '<' ;
- xchr[61] = '=' ;
- xchr[62] = '>' ;
- xchr[63] = '?' ;
- xchr[64] = '@' ;
- xchr[65] = 'A' ;
- xchr[66] = 'B' ;
- xchr[67] = 'C' ;
- xchr[68] = 'D' ;
- xchr[69] = 'E' ;
- xchr[70] = 'F' ;
- xchr[71] = 'G' ;
- xchr[72] = 'H' ;
- xchr[73] = 'I' ;
- xchr[74] = 'J' ;
- xchr[75] = 'K' ;
- xchr[76] = 'L' ;
- xchr[77] = 'M' ;
- xchr[78] = 'N' ;
- xchr[79] = 'O' ;
- xchr[80] = 'P' ;
- xchr[81] = 'Q' ;
- xchr[82] = 'R' ;
- xchr[83] = 'S' ;
- xchr[84] = 'T' ;
- xchr[85] = 'U' ;
- xchr[86] = 'V' ;
- xchr[87] = 'W' ;
- xchr[88] = 'X' ;
- xchr[89] = 'Y' ;
- xchr[90] = 'Z' ;
- xchr[91] = '[' ;
- xchr[92] = '\\' ;
- xchr[93] = ']' ;
- xchr[94] = '^' ;
- xchr[95] = '_' ;
- xchr[96] = '`' ;
- xchr[97] = 'a' ;
- xchr[98] = 'b' ;
- xchr[99] = 'c' ;
- xchr[100] = 'd' ;
- xchr[101] = 'e' ;
- xchr[102] = 'f' ;
- xchr[103] = 'g' ;
- xchr[104] = 'h' ;
- xchr[105] = 'i' ;
- xchr[106] = 'j' ;
- xchr[107] = 'k' ;
- xchr[108] = 'l' ;
- xchr[109] = 'm' ;
- xchr[110] = 'n' ;
- xchr[111] = 'o' ;
- xchr[112] = 'p' ;
- xchr[113] = 'q' ;
- xchr[114] = 'r' ;
- xchr[115] = 's' ;
- xchr[116] = 't' ;
- xchr[117] = 'u' ;
- xchr[118] = 'v' ;
- xchr[119] = 'w' ;
- xchr[120] = 'x' ;
- xchr[121] = 'y' ;
- xchr[122] = 'z' ;
- xchr[123] = '{' ;
- xchr[124] = '|' ;
- xchr[125] = '}' ;
- xchr[126] = '~' ;
- for (i = 127 ; i <= 255 ; i ++) xchr[i] = '?' ;
- for (i = 0 ; i <= 127 ; i ++) xord[chr(i)] = 32 ;
- for (i = 32 ; i <= 126 ; i ++) xord[xchr[i]] = i ;
- for (i = 0 ; i < 32 ; i++) power[i] = 1 << i ;
- for (i = 0; i < MAXPKCHAR; i++) {
- filename[i] = NULL;
- charflags[i] = 0;
- }
- pkloc = 0 ;
- designsize = fixword(1.0) ;
- numparam = 0;
- widthtab[0] = heighttab[0] = depthtab[0] = italictab[0] = 0 ;
- numwidth = numheight = numdepth = numitalic = 1;
- smallestch = MAXPKCHAR ;
- largestch = -1 ;
- emwidth = 0 ;
- }
-
- jumpout()
- {
- exit(1) ;
- }
-
- pkbyte(b)
- integer b ;
- {
- if (b < 0) b = b + 256 ;
- putc(b, pkfile) ;
- pkloc++ ;
- }
-
- pkhalfword(a)
- integer a ;
- {
- if (a < 0) a = a + 65536 ;
- pkbyte(a >> 8) ;
- pkbyte(a & 255) ;
- }
-
- pkthreebytes(a)
- integer a ;
- {
- pkbyte((a>>16) & 255) ;
- pkbyte((a>>8) & 255) ;
- pkbyte(a & 255) ;
- }
-
- pkword(a)
- integer a ;
- {
- pkbyte((a>>24) & 255) ;
- pkbyte((a>>16) & 255) ;
- pkbyte((a>>8) & 255) ;
- pkbyte(a & 255) ;
- }
-
- pknyb(a)
- integer a ;
- {
- if (bitweight == 16) {
- outputbyte = (a<<4) ;
- bitweight = 1 ;
- } else {
- pkbyte(outputbyte + a) ;
- bitweight = 16 ;
- }
- }
-
- writepreamble()
- {
- integer i ;
- char *comment = "PBMtoPK 2.3 output" ;
-
- pkbyte(247) ;
- pkbyte(89) ;
- pkbyte(strlen(comment)) ;
- for (i = 0 ; i < strlen(comment); i++) pkbyte(xord[comment[i]]) ;
- pkword(designsize) ;
- pkword(checksum) ; /* checksum; calculate if possible */
- pkword(hppp) ;
- pkword(hppp) ;
- }
-
- writepostamble()
- {
- pkbyte(245) ;
- while ((pkloc % 4 != 0)) pkbyte(246) ;
- fprintf(stderr, "%d bytes written to packed file.\n", pkloc) ;
- }
-
- tfmbyte(b)
- integer b ;
- {
- if (b < 0) b = b + 256 ;
- putc(b, tfmfile) ;
- }
-
- tfmhalfword(a)
- integer a ;
- {
- if (a < 0) a = a + 65536 ;
- tfmbyte(a >> 8) ;
- tfmbyte(a & 255) ;
- }
-
- tfmword(a)
- integer a ;
- {
- tfmbyte((a>>24) & 255) ;
- tfmbyte((a>>16) & 255) ;
- tfmbyte((a>>8) & 255) ;
- tfmbyte(a & 255) ;
- }
-
- writetfmfile()
- {
- integer totallength ;
- integer headersize = 17;
- integer i ;
-
- if (smallestch < 0 || largestch >= MAXPKCHAR) {
- fprintf(stderr, " No characters read!\n") ;
- jumpout() ;
- }
- if (numparam < 7) /* set default parameters */
- switch (numparam) {
- case 0: /* slant */
- parameters[numparam++] = 0 ;
- case 1: /* space */
- parameters[numparam++] = fixword(designunits(emwidth/3.0));
- case 2: /* space_stretch */
- parameters[numparam++] = fixword(unfixword(parameters[1])/2.0) ;
- case 3: /* space_shrink */
- parameters[numparam++] = fixword(unfixword(parameters[1])/3.0) ;
- case 4: /* x_height */
- parameters[numparam++] = fixword(0.45);
- case 5: /* quad */
- parameters[numparam++] = fixword(designunits(emwidth)) ;
- case 6: /* extra_space */
- parameters[numparam++] = fixword(unfixword(parameters[1])/3.0) ;
- }
- totallength = 6 + headersize + (largestch+1-smallestch) +
- numwidth + numheight + numdepth + numitalic + numparam ;
- /* lengths */
- tfmhalfword(totallength) ;
- tfmhalfword(headersize) ;
- tfmhalfword(smallestch) ;
- tfmhalfword(largestch) ;
- tfmhalfword(numwidth) ;
- tfmhalfword(numheight) ;
- tfmhalfword(numdepth) ;
- tfmhalfword(numitalic) ;
- tfmhalfword(0) ; /* lig/kern table */
- tfmhalfword(0) ; /* kern table */
- tfmhalfword(0) ; /* extensible char table */
- tfmhalfword(numparam) ;
- /* header */
- tfmword(checksum) ;
- tfmword(designsize) ;
- if (strlen(codingscheme) > 39) tfmbyte(39) ;
- else tfmbyte(strlen(codingscheme)) ;
- for (i = 0; i < 39; i++)
- if (*codingscheme) tfmbyte(xord[*codingscheme++]) ;
- else tfmbyte(0) ;
- if (strlen(familyname) > 19) tfmbyte(19) ;
- else tfmbyte(strlen(familyname)) ;
- for (i = 0; i < 19; i++)
- if (*familyname) tfmbyte(xord[*familyname++]) ;
- else tfmbyte(0) ;
- /* char_info */
- for (car = smallestch; car <= largestch; car++)
- if (filename[car]) {
- tfmbyte(tfmindex[car]) ;
- tfmbyte((hgtindex[car]<<4) + depindex[car]) ;
- tfmbyte(italindex[car]<<2) ;
- tfmbyte(0) ;
- } else tfmword(0) ;
- /* width */
- for (i = 0; i < numwidth; i++) tfmword(widthtab[i]) ;
- /* height */
- for (i = 0; i < numheight; i++) tfmword(heighttab[i]) ;
- /* depth */
- for (i = 0; i < numdepth; i++) tfmword(depthtab[i]) ;
- /* italic */
- for (i = 0; i < numitalic; i++) tfmword(italictab[i]) ;
- /* no lig_kern, kern, or exten */
- /* param */
- for (i = 0; i < numparam; i++)
- if (i && (!fixrange(parameters[i]))) {
- fprintf(stderr, " Parameter %d out of range (-p)!\n", i);
- jumpout();
- }
- else tfmword(parameters[i]) ;
- fprintf(stderr, "%d bytes written to tfm file.\n", totallength*4) ;
- }
-
- readcharacter()
- {
- FILE *fp;
-
- if (!strcmp(filename[car], "-")) fp = stdin;
- else if ((fp = fopen(filename[car], "r")) == NULL) {
- fprintf(stderr, " Can't open pbm file %s!\n", filename[car]);
- jumpout();
- }
- bitmap = pbm_readpbm(fp, &width, &height) ;
- if (fp != stdin) fclose(fp) ;
-
- if ((charflags[car] & HORZESC) == 0) horzesc[car] = width ;
- if ((charflags[car] & VERTESC) == 0) vertesc[car] = 0;
- if ((charflags[car] & XOFFSET) == 0) xoffset[car] = 0;
- if ((charflags[car] & YOFFSET) == 0) yoffset[car] = height-1;
- if ((charflags[car] & TFMWIDTH) == 0)
- tfmindex[car] = add_tfmwidth(fixword(designunits(width)));
- if ((charflags[car] & TFMHEIGHT) == 0)
- hgtindex[car] = add_tfmheight(fixword(designunits(yoffset[car]+1)));
- if ((charflags[car] & TFMDEPTH) == 0)
- depindex[car] = add_tfmdepth(fixword(designunits(height-1-yoffset[car])));
- if ((charflags[car] & TFMITALIC) == 0) italindex[car] = 0;
-
- if (car < smallestch) smallestch = car;
- if (car > largestch) largestch = car;
- if (width > emwidth) emwidth = width ;
- }
-
- int
- equal(row1, row2)
- bit *row1, *row2 ;
- {
- integer i ;
-
- for (i = 0; i < width; i++)
- if (row1[i] != row2[i]) return (0) ;
- return(1) ;
- }
-
- shipcharacter()
- {
- integer compsize ;
- integer i, j, k ;
- bit *zerorow, *onesrow ;
- integer *repeatptr, *bitcounts ;
- integer count ;
- integer test ;
- integer curptr, rowptr ;
- integer bitval ;
- integer repeatflag ;
- integer colptr ;
- integer currepeat ;
- integer dynf ;
- integer deriv[14] ;
- integer bcompsize ;
- boolean firston ;
- integer flagbyte ;
- boolean state ;
- boolean on ;
- integer hbit ;
- integer pbit ;
- boolean ron, son ;
- integer rcount, scount ;
- integer ri, si ;
- integer max2 ;
- integer predpkloc ;
- integer buff ;
-
- integer tfwid = widthtab[tfmindex[car]] ;
- integer hesc = horzesc[car] ;
- integer vesc = vertesc[car] ;
- integer xoff = xoffset[car] ;
- integer yoff = yoffset[car] ;
-
- zerorow = pbm_allocrow(width) ;
- onesrow = pbm_allocrow(width) ;
- repeatptr =
- (integer *)malloc((unsigned int)((height+1)*sizeof(integer))) ;
- bitcounts =
- (integer *)malloc((unsigned int)((height*width)*sizeof(integer))) ;
- for (i = 0 ; i < width ; i++) {
- zerorow[i] = PBM_WHITE ;
- onesrow[i] = PBM_BLACK ;
- }
- for (i=0; i < height; i++) {
- if (equal(bitmap[i], zerorow))
- repeatptr[i] = 0 ;
- else if (equal(bitmap[i], onesrow))
- repeatptr[i] = 0 ;
- else if (i + 1 < height && equal(bitmap[i],bitmap[i+1]))
- repeatptr[i] = 1 ;
- else
- repeatptr[i] = 0 ;
- }
- i = 0 ;
- while (i < height) {
- k = i ;
- while (repeatptr[k] == 1) k++ ;
- repeatptr[i] = k - i ;
- i = k + 1 ;
- }
- repeatptr[i] = 0 ;
- colptr = width - 1 ;
- repeatflag = currepeat = curptr = count = rowptr = 0 ;
- test = PBM_WHITE ;
- do {
- colptr++ ;
- if (colptr == width) {
- colptr = 0 ;
- rowptr = currepeat ;
- if (repeatptr[currepeat] > 0) {
- repeatflag = repeatptr[currepeat] ;
- currepeat += repeatflag ;
- rowptr += repeatflag ;
- }
- currepeat++ ;
- }
- if (rowptr >= height) bitval = -1 ;
- else bitval = bitmap[rowptr][colptr] ;
- if (bitval == test) count++ ;
- else {
- bitcounts[curptr++] = count ;
- if (curptr+3 >= height*width) {
- fprintf(stderr, " Out of memory while saving character counts!\n");
- jumpout() ;
- }
- count = 1 ;
- test = bitval ;
- if (repeatflag > 0) {
- bitcounts[curptr++] = -repeatflag ;
- repeatflag = 0 ;
- }
- }
- } while (test != -1) ;
- bitcounts[curptr] = 0 ;
- bitcounts[curptr + 1] = 0 ;
- for (i = 1 ; i <= 13 ; i ++) deriv[i] = 0 ;
- i = firston = (bitcounts[0] == 0) ;
- compsize = 0 ;
- while (bitcounts[i] != 0) {
- j = bitcounts[i] ;
- if (j == -1) compsize++ ;
- else {
- if (j < 0) {
- compsize++ ;
- j = -j ;
- }
- if (j < 209) compsize += 2 ;
- else {
- k = j - 193 ;
- while (k >= 16) {
- k >>= 4 ;
- compsize += 2 ;
- }
- compsize++ ;
- }
- if (j < 14) (deriv[j])-- ;
- else if (j < 209) (deriv[(223 - j) / 15])++ ;
- else {
- k = 16 ;
- while (((k<<4) < j + 3)) k <<= 4 ;
- if (j - k <= 192)
- deriv[(207 - j + k) / 15] += 2 ;
- }
- }
- i++ ;
- }
- bcompsize = compsize ;
- dynf = 0 ;
- for (i = 1 ; i <= 13 ; i ++) {
- compsize += deriv[i] ;
- if (compsize <= bcompsize) {
- bcompsize = compsize ;
- dynf = i ;
- }
- }
- compsize = ((bcompsize + 1)>>1) ;
- if ((compsize > ((height*width+7)>>3)) || (height*width == 0)) {
- compsize = ((height*width+7)>>3) ;
- dynf = 14 ;
- }
- flagbyte = (dynf<<4) ;
- if (firston) flagbyte |= 8 ;
- if ((tfwid > 16777215) || (tfwid < 0) || (hesc < 0) || (vesc != 0) ||
- (compsize > 196579) || (width > 65535) || (height > 65535) ||
- (xoff > 32767) || (yoff > 32767) || (xoff < -32768) || (yoff < -32768)) {
- flagbyte |= 7 ;
- pkbyte(flagbyte) ;
- compsize += 28 ;
- pkword(compsize) ;
- pkword(car) ;
- predpkloc = pkloc + compsize ;
- pkword(tfwid) ;
- pkword(hesc<<16) ;
- pkword(vesc<<16) ;
- pkword(width) ;
- pkword(height) ;
- pkword(xoff) ;
- pkword(yoff) ;
- } else if ((hesc > 255) || (width > 255) || (height > 255) ||
- (xoff > 127) || (yoff > 127) || (xoff < -128) ||
- (yoff < -128) || (compsize > 1016)) {
- compsize += 13 ;
- flagbyte += (compsize>>16) + 4 ;
- pkbyte(flagbyte) ;
- pkhalfword(compsize & 65535) ;
- pkbyte(car) ;
- predpkloc = pkloc + compsize ;
- pkthreebytes(tfwid) ;
- pkhalfword(hesc) ;
- pkhalfword(width) ;
- pkhalfword(height) ;
- pkhalfword(xoff) ;
- pkhalfword(yoff) ;
- } else {
- compsize += 8 ;
- flagbyte = flagbyte + (compsize>>8) ;
- pkbyte(flagbyte) ;
- pkbyte(compsize & 255) ;
- pkbyte(car) ;
- predpkloc = pkloc + compsize ;
- pkthreebytes(tfwid) ;
- pkbyte(hesc) ;
- pkbyte(width) ;
- pkbyte(height) ;
- pkbyte(xoff) ;
- pkbyte(yoff) ;
- }
- if (dynf != 14) {
- bitweight = 16 ;
- max2 = 208 - 15 * dynf ;
- i = firston ;
- while (bitcounts[i] != 0) {
- j = bitcounts[i] ;
- if (j == - 1) pknyb(15) ;
- else {
- if (j < 0) {
- pknyb(14) ;
- j = -j ;
- }
- if (j <= dynf) pknyb(j) ;
- else if (j <= max2) {
- j -= dynf + 1 ;
- pknyb((j >> 4) + dynf + 1) ;
- pknyb((j & 15)) ;
- } else {
- j -= max2 - 15 ;
- k = 16 ;
- while (k <= j) {
- k <<= 4 ;
- pknyb(0) ;
- }
- while (k > 1) {
- k >>= 4 ;
- pknyb(j / k) ;
- j = j % k ;
- }
- }
- }
- i++ ;
- }
- if (bitweight != 16) pkbyte(outputbyte) ;
- } else {
- buff = 0 ;
- pbit = 8 ;
- i = firston ;
- hbit = width ;
- on = ! firston ;
- state = false ;
- count = repeatflag = 0 ;
- while ((bitcounts[i] != 0) || state || (count > 0)) {
- if (state) {
- count = rcount ;
- i = ri ;
- on = ron ;
- repeatflag-- ;
- } else {
- rcount = count ;
- ri = i ;
- ron = on ;
- }
- do {
- if (count == 0) {
- if (bitcounts[i] < 0) {
- if (! state) repeatflag = -bitcounts[i] ;
- i++ ;
- }
- count = bitcounts[i] ;
- i++ ;
- on = !on ;
- }
- if ((count >= pbit) && (pbit < hbit)) {
- if (on) buff += power[pbit] - 1 ;
- pkbyte(buff) ;
- buff = 0 ;
- hbit -= pbit ;
- count -= pbit ;
- pbit = 8 ;
- } else if ((count < pbit) && (count < hbit)) {
- if (on) buff += power[pbit] - power[pbit - count] ;
- pbit -= count ;
- hbit -= count ;
- count = 0 ;
- } else {
- if (on) buff += power[pbit] - power[pbit - hbit] ;
- count -= hbit ;
- pbit -= hbit ;
- hbit = width ;
- if (pbit == 0) {
- pkbyte(buff) ;
- buff = 0 ;
- pbit = 8 ;
- }
- }
- } while (hbit != width) ;
- if (state && (repeatflag == 0)) {
- count = scount ;
- i = si ;
- on = son ;
- state = false ;
- } else if (! state && (repeatflag > 0)) {
- scount = count ;
- si = i ;
- son = on ;
- state = true ;
- }
- }
- if (pbit != 8) pkbyte(buff) ;
- }
- if (predpkloc != pkloc) {
- fprintf(stderr, " Bad predicted character length: character %d!\n", car);
- jumpout() ;
- }
- pbm_freerow(zerorow);
- pbm_freerow(onesrow);
- free((char *)repeatptr);
- free((char *)bitcounts);
- }
-
- usage()
- {
- fprintf(stderr, " Usage: pbmtopk pkfile[.pk] tfmfile[.tfm] dpi\n") ;
- fprintf(stderr, " [-s designsize] [-p num param...]\n");
- fprintf(stderr, " [-C codingscheme ] [-F family]\n");
- fprintf(stderr, " [-c num | <char>]...\n");
- fprintf(stderr, " <char> is: [-W tfmwidth] [-H tfmheight] [-D tfmdepth]\n");
- fprintf(stderr, " [-I ital_corr] [-h horiz] [-v vert]\n") ;
- fprintf(stderr, " [-x xoffset] [-y yoffset] file\n") ;
- fprintf(stderr, " or: -f optfile\n") ;
- jumpout() ;
- }
-
- checkchar()
- {
- if (car < 0 || car >= MAXPKCHAR) {
- fprintf(stderr, " Character must be in range 0 to %d (-c)!\n",
- MAXPKCHAR-1) ;
- jumpout() ;
- }
- }
-
- optionfile(name)
- char *name ;
- {
- FILE *fp ;
- char buffer[MAXOPTLINE] ;
-
- if (!strcmp(name, "-")) fp = stdin ;
- else if ((fp = fopen(name, "r")) == NULL) {
- fprintf(stderr, " Can't open option file %s!\n", name) ;
- jumpout() ;
- }
- while (!feof(fp)) {
- char *here = buffer;
-
- if (fgets(buffer, MAXOPTLINE, fp) == NULL) break ;
- while (isspace(*here)) here++ ;
- if (*here && *here != '%' && *here != '#') {
- char str[NAMELENGTH] ;
- integer i, n;
-
- checkchar() ;
- if (sscanf(here, "%s%n", str, &n) != 1) {
- fprintf(stderr, "Bad option file line %s!\n", buffer) ;
- jumpout() ;
- }
- filename[car] =
- (char *)malloc((unsigned int)(sizeof(char)*(strlen(str)+1))) ;
- strcpy(filename[car], str) ;
- for (i = 1; i < 256; i<<=1) {
- here += n;
- if (sscanf(here, "%s%n", str, &n) != 1) break ;
- if (strcmp(str, "*")) {
- charflags[car] |= i ;
- switch (i) {
- case XOFFSET:
- xoffset[car] = atoi(str) ;
- break ;
- case YOFFSET:
- yoffset[car] = atoi(str) ;
- break ;
- case HORZESC:
- horzesc[car] = atoi(str) ;
- break ;
- case VERTESC:
- vertesc[car] = atoi(str) ;
- break ;
- case TFMWIDTH:
- tfmindex[car] = add_tfmwidth(fixword(atof(str))) ;
- break ;
- case TFMHEIGHT:
- hgtindex[car] = add_tfmheight(fixword(atof(str))) ;
- break ;
- case TFMDEPTH:
- depindex[car] = add_tfmdepth(fixword(atof(str))) ;
- break ;
- case TFMITALIC:
- italindex[car] = add_tfmitalic(fixword(atof(str))) ;
- break ;
- }
- }
- }
- car++ ;
- }
- }
- if (fp != stdin) fclose(fp) ;
- }
-
- dialog(gargc, gargv)
- int gargc ;
- char **gargv ;
- {
- integer i, hesc, vesc, xoff, yoff, tfwid, tfdep, tfhgt, tfital ;
- byte flags ;
-
- if (--gargc < 1) usage() ;
- strcpy(pkname, *++gargv) ;
- add_suffix(pkname, "pk") ;
-
- if (--gargc < 1) usage() ;
- strcpy(tfmname, *++gargv) ;
- add_suffix(tfmname, "tfm") ;
-
- if (--gargc < 1) usage() ;
- resolution = atoi(*++gargv) ;
- if (resolution < 1 || resolution > 32767) {
- fprintf(stderr, " Unlikely resolution %d dpi!\n", resolution);
- jumpout();
- }
-
- car = flags = hesc = vesc = xoff = yoff = tfwid = 0;
- while (++gargv, --gargc) {
- if (gargv[0][0] == '-' && gargv[0][1]) {
- char c, *p;
- c = gargv[0][1] ;
- if (gargv[0][2]) p = *gargv + 2 ;
- else if (++gargv, --gargc) p = *gargv ;
- else usage() ;
- switch (c) {
- case 'C':
- codingscheme = p;
- break ;
- case 'F':
- familyname = p;
- break ;
- case 'c':
- car = atoi(p) ;
- break ;
- case 's':
- designsize = fixword(atof(p));
- if (designsize < 1048576) {
- fprintf(stderr, " Design size %f out of range!\n",
- unfixword(designsize));
- jumpout() ;
- }
- case 'h':
- hesc = atoi(p) ;
- flags |= HORZESC ;
- break ;
- case 'v':
- vesc = atoi(p) ;
- flags |= VERTESC ;
- break ;
- case 'x':
- xoff = atoi(p) ;
- flags |= XOFFSET ;
- break ;
- case 'y':
- yoff = atoi(p) ;
- flags |= YOFFSET ;
- break ;
- case 'W':
- tfwid = fixword(atof(p)) ;
- flags |= TFMWIDTH ;
- break ;
- case 'H':
- tfhgt = fixword(atof(p)) ;
- flags |= TFMHEIGHT ;
- break ;
- case 'D':
- tfdep = fixword(atof(p)) ;
- flags |= TFMDEPTH ;
- break ;
- case 'I':
- tfital = fixword(atof(p)) ;
- flags |= TFMITALIC ;
- break ;
- case 'f':
- optionfile(p) ;
- break ;
- case 'p':
- numparam = atoi(p);
- if (numparam < 1 || numparam > 30) {
- fprintf(stderr, " Parameter count %d out of range!\n", numparam);
- jumpout();
- }
- for (i=0; i<numparam; i++)
- if (++gargv,--gargc) parameters[i] = fixword(atof(*gargv)) ;
- else {
- fprintf(stderr, " Not enough parameters (-p)!\n");
- jumpout() ;
- }
- break ;
- default:
- usage() ;
- }
- } else {
- checkchar() ;
- if (flags & TFMWIDTH)
- tfmindex[car] = add_tfmwidth(tfwid);
- if (flags & TFMDEPTH)
- depindex[car] = add_tfmdepth(tfdep);
- if (flags & TFMHEIGHT)
- hgtindex[car] = add_tfmheight(tfhgt);
- if (flags & TFMITALIC)
- italindex[car] = add_tfmitalic(tfital);
- horzesc[car] = hesc ;
- vertesc[car] = vesc ;
- xoffset[car] = xoff ;
- yoffset[car] = yoff ;
- filename[car] = *gargv ;
- charflags[car] = flags ;
- car++ ;
- flags = 0;
- }
- }
- }
-
- main(argc, argv)
- int argc ;
- char *argv[] ;
- {
- initialize() ;
- dialog(argc, argv) ;
- hppp = round((resolution<<16) / 72.27) ;
- add_suffix(pkname, "pk") ;
- add_suffix(tfmname, "tfm") ;
- if (!strcmp(pkname, "-")) pkfile = stdout;
- else if ((pkfile = fopen(pkname, "w")) == NULL) {
- fprintf(stderr, " Can't open PK file %s!\n", pkname);
- jumpout() ;
- }
- if (!strcmp(tfmname, "-")) tfmfile = stdout ;
- else if ((tfmfile = fopen(tfmname, "w")) == NULL) {
- fprintf(stderr, " Can't open TFM file %s!\n", tfmname);
- jumpout();
- }
- writepreamble() ;
- for (car = 0 ; car < MAXPKCHAR ; car++)
- if (filename[car]) {
- readcharacter() ;
- shipcharacter() ;
- }
- writepostamble() ;
- writetfmfile() ;
- if (pkfile != stdout) fclose(pkfile) ;
- if (tfmfile != stdout) fclose(tfmfile) ;
- }
-
-