diff options
Diffstat (limited to 'source/blender/blenlib/intern/psfont.c')
| -rw-r--r-- | source/blender/blenlib/intern/psfont.c | 2124 |
1 files changed, 2124 insertions, 0 deletions
diff --git a/source/blender/blenlib/intern/psfont.c b/source/blender/blenlib/intern/psfont.c new file mode 100644 index 00000000000..ea2525c1f90 --- /dev/null +++ b/source/blender/blenlib/intern/psfont.c @@ -0,0 +1,2124 @@ +/** + * $Id$ + * + * ***** BEGIN GPL/BL DUAL LICENSE BLOCK ***** + * + * 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. The Blender + * Foundation also sells licenses for use in proprietary software under + * the Blender License. See http://www.blender.org/BL/ for information + * about this. + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL/BL DUAL LICENSE BLOCK ***** + * fromtype1 - Convert an Adobe type 1 font into .of or .sf format. + * Paul Haeberli - 1990 + */ + +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include <stdlib.h> +#include <math.h> + +#include "MEM_guardedalloc.h" + +#include "BLI_vfontdata.h" +#include "BLI_blenlib.h" + +#include "DNA_packedFile_types.h" +#include "DNA_curve_types.h" + + /* ObjFnt types */ + +typedef struct chardesc { + short movex, movey; /* advance */ + short llx, lly; /* bounding box */ + short urx, ury; + short *data; /* char data */ + long datalen; +} chardesc; + +typedef struct objfnt { + struct objfnt *freeaddr; /* if freeaddr != 0, objfnt is one chunck */ + short type; + short charmin, charmax; + short my_nchars; + short scale; + chardesc *my_chars; +} objfnt; + +#define OFMAGIC 0x93339333 + +#define TM_TYPE 1 +#define PO_TYPE 2 +#define SP_TYPE 3 + +/* ops for tmesh characters */ + +#define TM_BGNTMESH (1) +#define TM_SWAPTMESH (2) +#define TM_ENDBGNTMESH (3) +#define TM_RETENDTMESH (4) +#define TM_RET (5) + +/* ops for poly characters */ + +#define PO_BGNLOOP (1) +#define PO_ENDBGNLOOP (2) +#define PO_RETENDLOOP (3) +#define PO_RET (4) + +/* ops for spline characters */ + +#define SP_MOVETO (1) +#define SP_LINETO (2) +#define SP_CURVETO (3) +#define SP_CLOSEPATH (4) +#define SP_RETCLOSEPATH (5) +#define SP_RET (6) + + +#define MIN_ASCII ' ' +#define MAX_ASCII '~' +#define NASCII (256 - 32) + +#define NOBBOX (30000) + +typedef struct pschar { + char *name; + int code; + int prog; +} pschar; + + /***/ + +#define SKIP 4 +#define LINELEN 2048 +#define NOTHEX (100) +#define MC1 52845 +#define MC2 22719 +#define MAXSUBRS 1000 +#define MAXCHARS 1000 +#define MAXTRIES 30 + +/* some local thingies */ +static void rcurveto( int dx1, int dy1, int dx2, int dy2, int dx3, int dy3); +static void makeobjfont(int savesplines); +static void drawchar(int c); +static void runprog(void); +static int chartoindex(objfnt *fnt, int c); +static short STDtoISO(short c); +static char * newfgets(char * s, int n, PackedFile * pf); +static int readfontmatrix(PackedFile * pf, float mat[2][2]); +static char mdecrypt(char cipher); +static void decryptall(void); +static int decodetype1(PackedFile * pf, char *outname); +static void fakefopen(void); +static char *fakefread(int n); +static void setcharlist(void); +static void initpcstack(void); +static char *poppc(void); +static void initstack(void); +static void push(int val); +static int pop(void); +static void initretstack(void); +static void retpush(int val); +static int retpop(void); +static void subr1(void); +static void subr2(void); +static void subr0(void); +static void append_poly_offset(short ofsx, short ofsy, short * data); +static void append_spline_offset(short ofsx, short ofsy, short * data); +static void setwidth(int w, int x); +static void poly_beginchar(void); +static void poly_endchar(void); +static void poly_close(void); +static void poly_pnt(float x, float y); +static void spline_beginchar(void); +static void spline_endchar(void); +static void spline_close(void); +static void spline_line(float x0, float y0, float x1, float y1); +static void spline_curveto(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3); +static void savestart(int x, int y); +static void sbpoint( int x, int y); +static void rmoveto( int x, int y); +static void drawline(float x0, float y0, float x1, float y1, float dx0, float dy0, float dx1, float dy1); +static void rlineto( int x, int y); +static void closepath(void); +static void bezadapt( float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3, float beztol); +static void drawbez( float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3); +static int docommand(int cmd); + +/* some local vars */ +static int startx, starty; +static int curx, cury; +static int nextx, nexty; +static int delx, dely; +static int started; + + +/* postscript commands */ +#define HSTEM (1) +#define VSTEM (3) +#define VMOVETO (4) +#define RLINETO (5) +#define HLINETO (6) +#define VLINETO (7) +#define RRCURVETO (8) +#define CLOSEPATH (9) +#define CALLSUBR (10) +#define RETURN (11) +#define HSBW (13) +#define ENDCHAR (14) +#define RMOVETO (21) +#define HMOVETO (22) +#define VHCURVETO (30) +#define HVCURVETO (31) +#define DOTSECTION (256+0) +#define VSTEM3 (256+1) +#define HSTEM3 (256+2) +#define SEAC (256+6) +#define SBW (256+7) +#define DIV (256+12) +#define CALLOTHERSUBR (256+16) +#define POP (256+17) +#define SETCURRENTPOINT (256+33) +#define WHAT0 (0) + +/* some dirt for windows */ +#ifdef WIN32 +#include "BLI_winstuff.h" +#endif + +static char oneline[LINELEN]; +static objfnt *fnt; + +static unsigned short int mr; + +static char *bindat; +static int datbytes; +static int firsted; +static short chardata[2000]; +static int nshorts; + +static int thecharwidth, thesidebearing; +static int npnts, nloops; +static int nvertpos; + +static int fakepos; +static int fakemax; + +static float beztol = 100.0; + +/* extern: uit de libfm */ + +static char *my_subrs[MAXSUBRS]; +static unsigned int my_sublen[MAXSUBRS]; +static char *my_chars[MAXCHARS]; +static unsigned int my_charlen[MAXCHARS]; +static char *my_charname[MAXCHARS]; +static int my_nsubrs, my_nchars; + +static short sidebearing[MAXCHARS]; +static char tok[LINELEN]; +static int sp_npnts, sp_nloops; + +/* + * interpreter globals + */ + + +static float mat[2][2]; +static char *pcstack[100]; +static char *pc; +static int pcsp; +static int coordpos; +static int coordsave[7][2]; +static int incusp; +static int retstack[1000]; +static int retsp; +static int stack[1000]; +static int sp; +static int savesplines = 1; + +static pschar ISOcharlist[NASCII] = { + "/space", 040, 0, + "/exclam", 041, 0, + "/quotedbl", 042, 0, + "/numbersign", 043, 0, + "/dollar", 044, 0, + "/percent", 045, 0, + "/ampersand", 046, 0, + "/quoteright", 047, 0, + + "/parenleft", 050, 0, + "/parenright", 051, 0, + "/asterisk", 052, 0, + "/plus", 053, 0, + "/comma", 054, 0, + "/hyphen", 055, 0, + "/period", 056, 0, + "/slash", 057, 0, + + "/zero", 060, 0, + "/one", 061, 0, + "/two", 062, 0, + "/three", 063, 0, + "/four", 064, 0, + "/five", 065, 0, + "/six", 066, 0, + "/seven", 067, 0, + + "/eight", 070, 0, + "/nine", 071, 0, + "/colon", 072, 0, + "/semicolon", 073, 0, + "/less", 074, 0, + "/equal", 075, 0, + "/greater", 076, 0, + "/question", 077, 0, + + "/at", 0100, 0, + "/A", 0101, 0, + "/B", 0102, 0, + "/C", 0103, 0, + "/D", 0104, 0, + "/E", 0105, 0, + "/F", 0106, 0, + "/G", 0107, 0, + + "/H", 0110, 0, + "/I", 0111, 0, + "/J", 0112, 0, + "/K", 0113, 0, + "/L", 0114, 0, + "/M", 0115, 0, + "/N", 0116, 0, + "/O", 0117, 0, + + "/P", 0120, 0, + "/Q", 0121, 0, + "/R", 0122, 0, + "/S", 0123, 0, + "/T", 0124, 0, + "/U", 0125, 0, + "/V", 0126, 0, + "/W", 0127, 0, + + "/X", 0130, 0, + "/Y", 0131, 0, + "/Z", 0132, 0, + "/bracketleft", 0133, 0, + "/backslash", 0134, 0, + "/bracketright", 0135, 0, + "/asciicircum", 0136, 0, + "/underscore", 0137, 0, + + "/quoteleft", 0140, 0, + "/a", 0141, 0, + "/b", 0142, 0, + "/c", 0143, 0, + "/d", 0144, 0, + "/e", 0145, 0, + "/f", 0146, 0, + "/g", 0147, 0, + + "/h", 0150, 0, + "/i", 0151, 0, + "/j", 0152, 0, + "/k", 0153, 0, + "/l", 0154, 0, + "/m", 0155, 0, + "/n", 0156, 0, + "/o", 0157, 0, + + "/p", 0160, 0, + "/q", 0161, 0, + "/r", 0162, 0, + "/s", 0163, 0, + "/t", 0164, 0, + "/u", 0165, 0, + "/v", 0166, 0, + "/w", 0167, 0, + + "/x", 0170, 0, + "/y", 0171, 0, + "/z", 0172, 0, + "/braceleft", 0173, 0, + "/bar", 0174, 0, + "/braceright", 0175, 0, + "/asciitilde", 0176, 0, + "/", 0177, 0, + + + /* nonstandard defs */ + + "/quotedblleft", 0200, 0, + "/quotedblright", 0201, 0, + "/quotedblbase", 0202, 0, + "/quotesinglbase", 0203, 0, + "/guilsinglleft", 0204, 0, + "/guilsinglright", 0205, 0, + "/endash", 0206, 0, + "/dagger", 0207, 0, + + "/daggerdbl", 0210, 0, + "/trademark", 0211, 0, + "/bullet", 0212, 0, + "/perthousand", 0213, 0, + "/Lslash", 0214, 0, + "/OE", 0215, 0, + "/lslash", 0216, 0, + "/oe", 0217, 0, + + /* endnonstandard defs */ + + "/dotlessi", 0220, 0, + "/grave", 0221, 0, + "/acute", 0222, 0, + "/circumflex", 0223, 0, + "/tilde", 0224, 0, + "/", 0225, 0, + "/breve", 0226, 0, + "/dotaccent", 0227, 0, + + "/", 0230, 0, + "/", 0231, 0, + "/ring", 0232, 0, + "/", 0233, 0, + "/", 0234, 0, + "/hungarumlaut", 0235, 0, + "/ogonek", 0236, 0, + "/caron", 0237, 0, + + "/", 0240, 0, + "/exclamdown", 0241, 0, + "/cent", 0242, 0, + "/sterling", 0243, 0, + "/florin", 0244, 0, + "/yen", 0245, 0, + "/brokenbar", 0246, 0, + "/section", 0247, 0, + + "/dieresis", 0250, 0, + "/copyright", 0251, 0, + "/ordfeminine", 0252, 0, + "/guillemotleft", 0253, 0, + "/logicalnot", 0254, 0, + "/hyphen", 0255, 0, + "/registered", 0256, 0, + "/macron", 0257, 0, + + "/degree", 0260, 0, + "/plusminus", 0261, 0, + "/twosuperior", 0262, 0, + "/threesuperior", 0263, 0, + "/acute", 0264, 0, + "/mu", 0265, 0, + "/paragraph", 0266, 0, + "/periodcentered", 0267, 0, + + "/cedilla", 0270, 0, + "/onesuperior", 0271, 0, + "/ordmasculine", 0272, 0, + "/guillemotright", 0273, 0, + "/onequarter", 0274, 0, + "/onehalf", 0275, 0, + "/threequarters", 0276, 0, + "/questiondown", 0277, 0, + + "/Agrave", 0300, 0, + "/Aacute", 0301, 0, + "/Acircumflex", 0302, 0, + "/Atilde", 0303, 0, + "/Adieresis", 0304, 0, + "/Aring", 0305, 0, + "/AE", 0306, 0, + "/Ccedilla", 0307, 0, + + "/Egrave", 0310, 0, + "/Eacute", 0311, 0, + "/Ecircumflex", 0312, 0, + "/Edieresis", 0313, 0, + "/Igrave", 0314, 0, + "/Iacute", 0315, 0, + "/Icircumflex", 0316, 0, + "/Idieresis", 0317, 0, + + "/Eth", 0320, 0, + "/Ntilde", 0321, 0, + "/Ograve", 0322, 0, + "/Oacute", 0323, 0, + "/Ocircumflex", 0324, 0, + "/Otilde", 0325, 0, + "/Odieresis", 0326, 0, + "/multiply", 0327, 0, + + "/Oslash", 0330, 0, + "/Ugrave", 0331, 0, + "/Uacute", 0332, 0, + "/Ucircumflex", 0333, 0, + "/Udieresis", 0334, 0, + "/Yacute", 0335, 0, + "/Thorn", 0336, 0, + "/germandbls", 0337, 0, + + "/agrave", 0340, 0, + "/aacute", 0341, 0, + "/acircumflex", 0342, 0, + "/atilde", 0343, 0, + "/adieresis", 0344, 0, + "/aring", 0345, 0, + "/ae", 0346, 0, + "/ccedilla", 0347, 0, + + "/egrave", 0350, 0, + "/eacute", 0351, 0, + "/ecircumflex", 0352, 0, + "/edieresis", 0353, 0, + "/igrave", 0354, 0, + "/iacute", 0355, 0, + "/icircumflex", 0356, 0, + "/idieresis", 0357, 0, + + "/eth", 0360, 0, + "/ntilde", 0361, 0, + "/ograve", 0362, 0, + "/oacute", 0363, 0, + "/ocircumflex", 0364, 0, + "/otilde", 0365, 0, + "/odieresis", 0366, 0, + "/divide", 0367, 0, + + "/oslash", 0370, 0, + "/ugrave", 0371, 0, + "/uacute", 0372, 0, + "/ucircumflex", 0373, 0, + "/udieresis", 0374, 0, + "/yacute", 0375, 0, + "/thorn", 0376, 0, + "/ydieresis", 0377, 0, +}; + + +static short STDvsISO [][2] = { + 0341, 0306, /* AE */ + 0351, 0330, /* Oslash */ + 0302, 0222, /* acute */ + 0361, 0346, /* ae */ + 0306, 0226, /* breve */ + 0317, 0237, /* caron */ + 0313, 0270, /* cedilla */ + 0303, 0223, /* circumflex */ + 0250, 0244, /* currency */ + 0310, 0250, /* dieresis */ + 0307, 0227, /* dotaccent */ + 0365, 0220, /* dotlessi */ + 0373, 0337, /* germandbls */ + 0301, 0221, /* grave */ + 0315, 0235, /* hungarumlaut */ + 0055, 0255, /* hyphen */ + 0305, 0257, /* macron */ + 0316, 0236, /* ogenek */ + 0343, 0252, /* ordfeminine */ + 0353, 0272, /* ordmasculine */ + 0371, 0370, /* oslash */ + 0264, 0267, /* periodcentered */ + 0312, 0232, /* ring */ + 0304, 0224, /* tilde */ +}; + +/* from objfont.c de rest zit in lfm_s !!*/ + +/* START 5.2 */ + +static int chartoindex(objfnt *fnt, int c) +{ + if(c<fnt->charmin) + return -1; + if(c>fnt->charmax) + return -1; + return c-fnt->charmin; +} + + +static chardesc *getchardesc(objfnt *fnt, int c) +{ + int index; + + index = chartoindex(fnt,c); + if(index<0) + return 0; + return fnt->my_chars+index; +} + +static objfnt *newobjfnt(int type, int charmin, int charmax, int fscale) +{ + objfnt *fnt; + + fnt = (objfnt *)MEM_mallocN(sizeof(objfnt), "newobjfnt"); + fnt->freeaddr = 0; + fnt->type = type; + fnt->charmin = charmin; + fnt->charmax = charmax; + fnt->my_nchars = fnt->charmax-fnt->charmin+1; + fnt->scale = fscale; + fnt->my_chars = (chardesc *)MEM_mallocN(fnt->my_nchars*sizeof(chardesc), "newobjfnt2"); + memset(fnt->my_chars, 0, fnt->my_nchars*sizeof(chardesc)); + return fnt; +} + + +static void addchardata (objfnt * fnt, int c, short * data, int nshorts) +{ + int index; + chardesc *cd; + + index = chartoindex(fnt,c); + if(index<0) { + fprintf(stderr,"Addchardata bad poop\n"); + return; + } + cd = fnt->my_chars+index; + fnt->freeaddr = 0; + cd->datalen = nshorts*sizeof(short); + cd->data = (short *)MEM_mallocN(cd->datalen, "addchardata"); + memcpy(cd->data, data, cd->datalen); +} + +static void addcharmetrics(objfnt *fnt, int c, int movex, int movey) +{ + int index; + chardesc *cd; + + index = chartoindex(fnt,c); + if(index<0) { + fprintf(stderr,"Addcharmetrics bad poop\n"); + return; + } + cd = fnt->my_chars+index; + cd->movex = movex; + cd->movey = movey; +} + + +static void fakechar(objfnt *fnt, int c, int width) +{ + short chardata[1]; + + chardata[0] = PO_RET; + addchardata(fnt,c,chardata,1); + addcharmetrics(fnt,c,width,0); +} + + +static void freeobjfnt(objfnt * fnt) +{ + int i; + chardesc *cd; + + cd = fnt->my_chars; + for(i=0; i<fnt->my_nchars; i++) { + if(cd->data) + MEM_freeN(cd->data); + cd++; + } + MEM_freeN(fnt->my_chars); + MEM_freeN(fnt); +} + + +/* END 5.2 */ + +static short STDtoISO(short c) +{ + short i = (sizeof(STDvsISO) / (2 * sizeof(short))) - 1; + + for (;i >= 0; i--){ + if (STDvsISO[i][0] == c) return (STDvsISO[i][1]); + } + return(c); +} + + +/* + * read the font matrix out of the font file + * + */ + +static char * newfgets(char * s, int n, PackedFile * pf){ + int read = 0; + int c; + char * p; + + p = s; + while (n > 0){ + c = ((char *) pf->data)[pf->seek]; + pf->seek++; + if (pf->seek > pf->size){ + if (read == 0) return (0); + *p = 0; + return(s); + } + if (c == 10 || c == 13){ + *p = 0; + return(s); + } + *p++ = c; + n--; + } + *p = 0; + return(s); +} + +static int readfontmatrix(PackedFile * pf, float mat[2][2]) +{ + char *cptr; + float a, b, c, d, e, f; + + pf->seek = 0; + + /* look for the FontMatrix def */ + while(1) { + if(!newfgets(oneline, LINELEN, pf)) { + fprintf(stderr,"fromtype1: no FontMatrix found\n"); + return(-1); + } + cptr = strchr(oneline,'/'); + if(cptr) { + if(strncmp(cptr,"/FontMatrix",11) == 0) { + cptr = strchr(cptr,'['); + if(!cptr) { + fprintf(stderr,"fromtype1: bad FontMatrix line\n"); + return(-1); + } + sscanf(cptr+1,"%f %f %f %f %f %f\n",&a,&b,&c,&d,&e,&f); + break; + } + } + } + + mat[0][0] = 1000.0*a; + mat[1][0] = 1000.0*b; + mat[0][1] = 1000.0*c; + mat[1][1] = 1000.0*d; + + return(0); +} + +/* + * Decryption support + * + * + */ +static void resetdecrypt(int n) +{ + mr = n; +} + + + +/* + * decryption subroutines + * + */ + +static char mdecrypt(char cipher) +{ + char plain; + + plain = (cipher^(mr>>8)); + mr = (cipher+mr)*MC1 + MC2; + return plain; +} + +static void decryptdata(char * cptr, int n) +{ + while(n--) { + *cptr = mdecrypt(*cptr); + cptr++; + } +} + +static int decryptprogram(char *buf, int len) +{ + int i; + + resetdecrypt(4330); + for(i=0; i<len; i++) { + if(i<SKIP) + mdecrypt(buf[i]); + else + buf[i-SKIP] = mdecrypt(buf[i]); + } + return len-SKIP; +} + +static void decryptall(void) +{ + int i; + + for(i=0; i<my_nsubrs; i++) + my_sublen[i] = decryptprogram(my_subrs[i],my_sublen[i]); + for(i=0; i<my_nchars; i++) + my_charlen[i] = decryptprogram(my_chars[i],my_charlen[i]); +} + + +/* + * decode the eexec part of the file + * + */ + +static int decodetype1(PackedFile * pf, char *outname) +{ + char *hptr, *bptr; + int i, totlen, hexbytes, c; + char *hexdat; + char hextab[256]; + + /* make hex table */ + if(!firsted) { + for(i=0; i<256; i++) { + if(i>='0' && i<='9') + hextab[i] = i-'0'; + else if(i>='a' && i<='f') + hextab[i] = 10+i-'a'; + else if(i>='A' && i<='F') + hextab[i] = 10+i-'A'; + else + hextab[i] = NOTHEX; + } + } + + pf->seek = 0; + + /* allocate buffers */ + totlen = pf->size; + hexdat = (char *)MEM_mallocN(totlen, "hexdat"); + bindat = (char *)MEM_mallocN(totlen, "bindat"); + + /* look for eexec part of file */ + while(1) { + if(!newfgets(oneline, LINELEN, pf)) { + fprintf(stderr,"fromtype1: no currentfile eexec found\n"); + return(-1); + } + oneline[16] = 0; + if(strcmp(oneline,"currentfile eexe") == 0) + break; + } + + /* initialize decryption variables */ + mr = 55665; + + /* first byte == 0 for binary data (???) */ + + c = ((char *) pf->data)[pf->seek]; + + if (hextab[c] != NOTHEX){ + /* read all the hex bytes into the hex buffer */ + hexbytes = 0; + while(newfgets(oneline, LINELEN, pf)) { + hptr = (char *)oneline; + while(*hptr) { + if(hextab[*hptr] != NOTHEX) + hexdat[hexbytes++] = *hptr; + hptr++; + } + } + + /* check number of hex bytes */ + if(hexbytes & 1) + hexbytes--; + datbytes = hexbytes/2; + + /* translate hex data to binary */ + hptr = hexdat; + bptr = bindat; + c = datbytes; + while(c--) { + *bptr++ = (hextab[hptr[0]]<<4)+hextab[hptr[1]]; + hptr += 2; + } + + /* decrypt the data */ + decryptdata(bindat,datbytes); + + } else { + datbytes = pf->size - pf->seek; + memcpy(bindat, ((char *) pf->data) + pf->seek, datbytes); + + if ((bindat[2] << 8 + bindat[3]) == 0x800){ + /* order data (remove 6 bytes headers) */ + i = datbytes; + hptr = bptr = bindat + 4; + hptr += 2; + + while (i > 0){ + if (i > 2046) c = 2046; + else c = i; + + memcpy(bptr, hptr, c); + bptr += 2046; + hptr += 2046 + 6; + i -= 2046 + 6; + datbytes -= 6; + } + + /* decrypt the data */ + decryptdata(bindat+4,datbytes); + } else{ + decryptdata(bindat+6,datbytes-6); + } + } + +#ifdef DEBUG + outf = fopen(outname,"wb"); + fwrite(bindat,datbytes,1,outf); + fclose(outf); +#endif + + MEM_freeN(hexdat); + + return 1; +} + +/* + * fake file reading funcs + * + * + */ + +static void fakefopen(void) +{ + fakepos = 0; + fakemax = datbytes; +} + + +static void fakegettoken(char *str) +{ + int c; + char *cptr; + char *start; + + start = (char *) str; + cptr = bindat+fakepos; + c = *cptr++; + fakepos++; + if(c != '\n') { + while(isspace(c)) { + c = *cptr++; + fakepos++; + } + while (fakepos<fakemax && !isspace(c)) { + *str++ = c; + c = *cptr++; + fakepos++; + } + if(c == '\n') + fakepos--; + } + *str = 0; + if(fakepos>fakemax) { + fprintf(stderr,"fromtype1: unexpected eof\n"); + strcpy(start, "end"); + } +} + +static int fakefgets(char *buf,int max) +{ + char *cptr; + + cptr = (char *)(bindat+fakepos); + while(max--) { + *buf++ = *cptr; + fakepos++; + if(*cptr == 10 || *cptr == 13) + return 1; + cptr++; + if(fakepos>fakemax) + return 0; + } + return 0; +} + +static char *fakefread(int n) +{ + fakepos += n; + return bindat+fakepos-n; +} + +static void applymat(float mat[][2], float *x, float *y) +{ + float tx, ty; + + tx = ((*x)*mat[0][0])+((*y)*mat[0][1]); + ty = ((*x)*mat[1][0])+((*y)*mat[1][1]); + *x = tx; + *y = ty; +} + +static void setcharlist(void) +{ + char *name, found; + int i, j; + + for(i=0; i<NASCII; i++) ISOcharlist[i].prog = -1; + + for(j=0; j<my_nchars; j++) { + name = my_charname[j]; + if(name) { + found = 0; + for(i=0; i<NASCII; i++) { + if(ISOcharlist[i].name && (strcmp(name,ISOcharlist[i].name) == 0)){ + ISOcharlist[i].prog = j; + found = 1; + } + } + /*if (found == 0) printf("no match found for: %s\n", name);*/ + MEM_freeN(name); + my_charname[j] = 0; + } + } +} + + +static objfnt * objfnt_from_psfont(PackedFile * pf) +{ + int i, k, index; + int nread, namelen; + char *cptr; + + fnt = 0; + bindat = 0; + + /* read the font matrix from the font */ + if (readfontmatrix(pf,mat)) return(0); + + /* decode the font data */ + decodetype1(pf, "/usr/tmp/type1.dec"); + + /* open the input file */ + fakefopen(); + + /* look for the /Subrs def and get my_nsubrs */ + while(1) { + if(!fakefgets(oneline,LINELEN)) { + fprintf(stderr,"fromtype1: no /Subrs found\n"); + my_nsubrs = 0; + fakefopen(); + break; + } + cptr = strchr(oneline,'/'); + if(cptr) { + if(strncmp(cptr,"/Subrs",6) == 0) { + my_nsubrs = atoi(cptr+6); + break; + } + } + } + + /* read the Subrs in one by one */ + for(i=0; i<my_nsubrs; i++) + my_sublen[i] = 0; + for(i=0; i<my_nsubrs; i++) { + for(k=0; k<MAXTRIES; k++) { + fakegettoken(tok); + if(strcmp(tok,"dup") == 0) + break; + } + if(k == MAXTRIES) { + fprintf(stderr,"dup for subr %d not found in range\n", i); + /*exit(1);*/ + } + + /* get the Subr index here */ + fakegettoken(tok); + index = atoi(tok); + + /* check to make sure it is in range */ + if(index<0 || index>my_nsubrs) { + fprintf(stderr,"bad Subr index %d\n",index); + /*exit(1);*/ + } + + /* get the number of bytes to read */ + fakegettoken(tok); + nread = atoi(tok); + fakegettoken(tok); + + /* read in the subroutine */ + my_sublen[index] = nread; + my_subrs[index] = fakefread(nread); + fakegettoken(tok); + } + + /* look for the CharStrings */ + while(1) { + fakegettoken(tok); + cptr = strchr(tok,'/'); + if(cptr && strcmp(cptr,"/CharStrings") == 0) + break; + } + + fakegettoken(tok); /* skip my_ncharscrings */ + fakegettoken(tok); /* skip dict */ + fakegettoken(tok); /* skip dup */ + fakegettoken(tok); /* skip begin */ + fakegettoken(tok); /* skip newline */ + + /* read the CharStrings one by one */ + my_nchars = 0; + for(i=0; i<MAXCHARS; i++) { + + /* check for end */ + fakegettoken(tok); + if(strcmp(tok,"end") == 0) + break; + + /* get the char name and allocate space for it */ + namelen = strlen(tok); + my_charname[i] = (char *)MEM_mallocN(namelen+1, "my_charname"); + strcpy(my_charname[i],tok); + + /* get the number of bytes to read */ + fakegettoken(tok); + nread = atoi(tok); + fakegettoken(tok); + + /* read in the char description */ + my_charlen[i] = nread; + my_chars[i] = fakefread(nread); + + /* skip the end of line */ + fakegettoken(tok); + fakegettoken(tok); + my_nchars++; + } + + /* decrypt the character descriptions */ + decryptall(); + setcharlist(); + + /* make the obj font */ + makeobjfont(savesplines); + + if (bindat) MEM_freeN(bindat); + /* system("rm /usr/tmp/type1.dec"); */ + + return (fnt); +} + + + + +/* + * pc stack support + * + */ + +static void initpcstack(void) +{ + pcsp = 0; +} + +static void pushpc(char *pc) +{ + pcstack[pcsp] = pc; + pcsp++; +} + +static char *poppc(void) +{ + pcsp--; + if(pcsp<0) { + fprintf(stderr,"\nYUCK: pc stack under flow\n"); + pcsp = 0; + return 0; + } + return pcstack[pcsp]; +} + +/* + * Data stack support + * + */ + +static void initstack(void) +{ + sp = 0; +} + +static void push(int val) +/* int val; */ +{ + stack[sp] = val; + sp++; +} + +static int pop(void) +{ + sp--; + if(sp<0) { + fprintf(stderr,"\nYUCK: stack under flow\n"); + sp = 0; + return 0; + } + return stack[sp]; +} + +/* + * call/return data stack + * + */ + +static void initretstack(void) +{ + retsp = 0; +} + +static void retpush(int val) +/* int val; */ +{ + retstack[retsp] = val; + retsp++; +} + +static int retpop(void) +{ + retsp--; + if(retsp<0) { + fprintf(stderr,"\nYUCK: ret stack under flow\n"); + retsp = 0; + return 0; + } + return retstack[retsp]; +} + + +/* + * execute the program: + * + * + */ + +static void getmove(int *x, int *y) +{ + *x = delx; + *y = dely; + /* printf("ingetmove\n"); */ +} + +static void getpos(int *x, int *y) +{ + *x = curx; + *y = cury; +} + +static void subr1(void) +{ + coordpos = 0; + incusp = 1; +} + +static void subr2(void) +{ + int x, y; + + getmove(&x,&y); + if(coordpos>=7) { + fprintf(stderr,"subr2: bad poop\n"); + /*exit(1);*/ + } + coordsave[coordpos][0] = x; + coordsave[coordpos][1] = y; + coordpos++; +} + +static void subr0(void) +{ + int x0, y0; + int x1, y1; + int x2, y2; + int x3, y3; + int xpos, ypos, noise; + + ypos = pop(); + xpos = pop(); + noise = pop(); + if(coordpos!=7) { + fprintf(stderr,"subr0: bad poop\n"); + /*exit(1);*/ + } + x0 = coordsave[0][0]; + y0 = coordsave[0][1]; + + x1 = coordsave[1][0]+x0; + y1 = coordsave[1][1]+y0; + x2 = coordsave[2][0]; + y2 = coordsave[2][1]; + x3 = coordsave[3][0]; + y3 = coordsave[3][1]; + rcurveto(x1,y1,x1+x2,y1+y2,x1+x2+x3,y1+y2+y3); + x1 = coordsave[4][0]; + y1 = coordsave[4][1]; + x2 = coordsave[5][0]; + y2 = coordsave[5][1]; + x3 = coordsave[6][0]; + y3 = coordsave[6][1]; + rcurveto(x1,y1,x1+x2,y1+y2,x1+x2+x3,y1+y2+y3); + getpos(&x0,&y0); + retpush(y0); + retpush(x0); + incusp = 0; +} + +static void append_poly_offset(short ofsx, short ofsy, short * data) +{ + int nverts; + + if (data == 0) return; + + while(1) { + switch(chardata[nshorts++] = *data++) { + case PO_BGNLOOP: + nshorts --; /* voor de eerste keer */ + break; + case PO_RETENDLOOP: + case PO_RET: + return; + } + nverts = chardata[nshorts++] = *data++; + while(nverts--) { + chardata[nshorts++] = (*data++) + ofsx; + chardata[nshorts++] = (*data++) + ofsy; + } + } +} + + +static void append_spline_offset(short ofsx, short ofsy, short * data) +{ + int nverts = 0; + + if (data == 0) return; + + while(1) { + switch(chardata[nshorts++] = *data++) { + case SP_MOVETO: + case SP_LINETO: + nverts = 1; + break; + case SP_CURVETO: + nverts = 3; + break; + case SP_RETCLOSEPATH: + case SP_RET: + return; + } + + for (; nverts > 0; nverts--) { + chardata[nshorts++] = (*data++) + ofsx; + chardata[nshorts++] = (*data++) + ofsy; + } + } +} + + + +/* + * graphics follows + * + * + */ + + +/* poly output stuff */ + +static void setwidth(int w, int x) +{ + thecharwidth = w; + thesidebearing = x; +} + +static void poly_beginchar(void) +{ + npnts = 0; + nloops = 0; +} + +static void poly_endchar(void) +{ + if(nloops == 0) + chardata[nshorts++] = PO_RET; + else + chardata[nshorts++] = PO_RETENDLOOP; +} + +static void poly_close(void) +{ + chardata[nvertpos] = npnts; + npnts = 0; +} + +static void poly_pnt(float x, float y) +{ + int ix, iy; + + applymat(mat,&x,&y); + ix = floor(x); + iy = floor(y); + if(npnts == 0) { + if(nloops == 0) { + chardata[nshorts++] = PO_BGNLOOP; + nvertpos = nshorts++; + } else { + chardata[nshorts++] = PO_ENDBGNLOOP; + nvertpos = nshorts++; + } + nloops++; + } + chardata[nshorts++] = ix; + chardata[nshorts++] = iy; + npnts++; + +} + +/* spline output stuff */ + +static void spline_beginchar(void) +{ + sp_npnts = 0; + sp_nloops = 0; +} + +static void spline_endchar(void) +{ + if(sp_nloops == 0) + chardata[nshorts++] = SP_RET; + else + chardata[nshorts++] = SP_RETCLOSEPATH; +} + +static void spline_close(void) +{ + chardata[nshorts++] = SP_CLOSEPATH; + sp_npnts = 0; + sp_nloops = 0; +} + +static void spline_line(float x0, float y0, float x1, float y1) +{ + applymat(mat,&x0,&y0); + applymat(mat,&x1,&y1); + + if(sp_npnts == 0) { + chardata[nshorts++] = SP_MOVETO; + chardata[nshorts++] = floor(x0); + chardata[nshorts++] = floor(y0); + sp_npnts++; + sp_nloops++; + } + chardata[nshorts++] = SP_LINETO; + chardata[nshorts++] = floor(x1); + chardata[nshorts++] = floor(y1); + sp_npnts++; +} + +static void spline_curveto(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3) +{ + applymat(mat,&x0,&y0); + applymat(mat,&x1,&y1); + applymat(mat,&x2,&y2); + applymat(mat,&x3,&y3); + + if(sp_npnts == 0) { + chardata[nshorts++] = SP_MOVETO; + chardata[nshorts++] = floor(x0); + chardata[nshorts++] = floor(y0); + sp_npnts++; + sp_nloops++; + } + chardata[nshorts++] = SP_CURVETO; + chardata[nshorts++] = floor(x1); + chardata[nshorts++] = floor(y1); + chardata[nshorts++] = floor(x2); + chardata[nshorts++] = floor(y2); + chardata[nshorts++] = floor(x3); + chardata[nshorts++] = floor(y3); +} + +static void savestart(int x, int y) +{ + startx = x; + starty = y; + started = 1; +} + +static void sbpoint( int x, int y) +{ + curx = x; + cury = y; +} + +static void rmoveto( int x, int y) +{ + if(incusp) { + delx = x; + dely = y; + } else { + curx += x; + cury += y; + savestart(curx,cury); + } +} + +static void drawline(float x0, float y0, float x1, float y1, float dx0, float dy0, float dx1, float dy1) +{ + if(x0!=x1 || y0!=y1) + poly_pnt(x1,y1); +} + + +static void rlineto( int x, int y) +{ + float dx, dy; + + nextx = curx + x; + nexty = cury + y; + dx = nextx-curx; + dy = nexty-cury; + if (savesplines) spline_line( curx, cury, nextx, nexty); + else drawline( curx, cury, nextx, nexty,dx,dy,dx,dy); + curx = nextx; + cury = nexty; +} + +static void closepath(void) +{ + float dx, dy; + + if(started) { + dx = startx-curx; + dy = starty-cury; + if (savesplines) { + spline_close(); + } else { + drawline( curx, cury, startx, starty,dx,dy,dx,dy); + poly_close(); + } + started = 0; + } +} + +static void bezadapt( float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3, float beztol) +{ + float ax0,ay0,ax1,ay1,ax2,ay2,ax3,ay3; + float bx0,by0,bx1,by1,bx2,by2,bx3,by3; + float midx, midy; + float linx, liny, dx, dy, mag; + + midx = (x0+3*x1+3*x2+x3)/8.0; + midy = (y0+3*y1+3*y2+y3)/8.0; + linx = (x0+x3)/2.0; + liny = (y0+y3)/2.0; + dx = midx-linx; + dy = midy-liny; + mag = dx*dx+dy*dy; + if(mag<(beztol*beztol)) + drawline(x0,y0,x3,y3,x1-x0,y1-y0,x3-x2,y3-y2); + else { + ax0 = x0; + ay0 = y0; + ax1 = (x0+x1)/2; + ay1 = (y0+y1)/2; + ax2 = (x0+2*x1+x2)/4; + ay2 = (y0+2*y1+y2)/4; + ax3 = midx; + ay3 = midy; + bezadapt(ax0,ay0,ax1,ay1,ax2,ay2,ax3,ay3,beztol); + + bx0 = midx; + by0 = midy; + bx1 = (x1+2*x2+x3)/4; + by1 = (y1+2*y2+y3)/4; + bx2 = (x2+x3)/2; + by2 = (y2+y3)/2; + bx3 = x3; + by3 = y3; + bezadapt(bx0,by0,bx1,by1,bx2,by2,bx3,by3,beztol); + } +} + +static void drawbez( float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3) +{ + bezadapt(x0,y0,x1,y1,x2,y2,x3,y3,beztol); +} + + +static void rcurveto( int dx1, int dy1, int dx2, int dy2, int dx3, int dy3) +{ + int x0, y0; + int x1, y1; + int x2, y2; + int x3, y3; + + x0 = curx; + y0 = cury; + x1 = curx+dx1; + y1 = cury+dy1; + x2 = curx+dx2; + y2 = cury+dy2; + x3 = curx+dx3; + y3 = cury+dy3; + + if (savesplines) { + spline_curveto( x0, y0, x1, y1, x2, y2, x3, y3); + } else{ + drawbez( x0, y0, x1, y1, x2, y2, x3, y3); + } + curx = x3; + cury = y3; +} + +/* + * saveobjfont - + * save an object font. + * + */ + +/* generic routines */ + +static void makeobjfont(int savesplines) +{ + int i, c; + + if(savesplines) + fnt = newobjfnt(SP_TYPE, 32, 32+NASCII-1, 9840); + else + fnt = newobjfnt(PO_TYPE, 32, 32+NASCII-1, 9840); + + for(i=0; i<NASCII; i++) { + c = i+32; + if(ISOcharlist[i].prog>=0) { + /*printf("decoding %s\n", ISOcharlist[i].name);*/ + + nshorts = 0; + drawchar(ISOcharlist[i].prog); + addchardata(fnt,c,chardata,nshorts); + addcharmetrics(fnt,c,thecharwidth,0); + sidebearing[c] = thesidebearing; + } else if(c == ' ') { + printf("faking space %d\n",i); + fakechar(fnt,' ',400); + } + } +} + +/* + * run the character program + * + * + */ + +static void drawchar(int c) +{ + if (savesplines) { + spline_beginchar(); + } else { + poly_beginchar(); + } + initstack(); + initpcstack(); + initretstack(); + pc = my_chars[c]; + runprog(); + if (savesplines){ + spline_endchar(); + } else { + poly_endchar(); + } +} + +static int docommand(int cmd) +{ + int x, y, w, c1, c2; + int dx1, dy1; + int dx2, dy2; + int dx3, dy3; + float fdx1, fdy1; + int i, sub, n; + char *subpc; + chardesc *cd; + short *ndata; + + switch(cmd) { + case WHAT0: + fprintf(stderr,"\nYUCK: WHAT0\n"); + break; + case HSTEM: + pop(); + pop(); + /*printf("hstem: %d %d\n", pop(), pop());*/ + break; + case VSTEM: + pop(); + pop(); + /*printf("vstem: %d %d\n", pop(), pop());*/ + break; + case VMOVETO: + y = pop(); + rmoveto(0,y); + break; + case RLINETO: + y = pop(); + x = pop(); + rlineto(x,y); + break; + case HLINETO: + x = pop(); + rlineto(x,0); + break; + case VLINETO: + y = pop(); + rlineto(0,y); + break; + case RRCURVETO: + dy3 = pop(); + dx3 = pop(); + dy2 = pop(); + dx2 = pop(); + dy1 = pop(); + dx1 = pop(); + rcurveto(dx1,dy1,dx1+dx2,dy1+dy2,dx1+dx2+dx3,dy1+dy2+dy3); + break; + case CLOSEPATH: + closepath(); + break; + case CALLSUBR: + sub = pop(); + subpc = my_subrs[sub]; + if(!subpc) { + fprintf(stderr,"\nYUCK no sub addr\n"); + } + pushpc(pc); + pc = subpc; + break; + case RETURN: + pc = poppc(); + break; + case HSBW: + w = pop(); + x = pop(); + setwidth(w, x); + sbpoint(x,0); + break; + case ENDCHAR: + closepath(); + break; + case RMOVETO: + y = pop(); + x = pop(); + rmoveto(x,y); + break; + case HMOVETO: + x = pop(); + rmoveto(x,0); + break; + case VHCURVETO: + dy3 = 0; + dx3 = pop(); + dy2 = pop(); + dx2 = pop(); + dy1 = pop(); + dx1 = 0; + rcurveto(dx1,dy1,dx1+dx2,dy1+dy2,dx1+dx2+dx3,dy1+dy2+dy3); + break; + case HVCURVETO: + dy3 = pop(); + dx3 = 0; + dy2 = pop(); + dx2 = pop(); + dy1 = 0; + dx1 = pop(); + rcurveto(dx1,dy1,dx1+dx2,dy1+dy2,dx1+dx2+dx3,dy1+dy2+dy3); + break; + case DOTSECTION: + break; + case VSTEM3: + /*printf("vstem3\n");*/ + pop(); + pop(); + pop(); + pop(); + pop(); + pop(); + break; + case HSTEM3: + /*printf("hstem3\n");*/ + pop(); + pop(); + pop(); + pop(); + pop(); + pop(); + break; + case SEAC: + if (0) { + printf("seac: %3d %3d %3d %3d %3d\n", pop(), pop(), pop(), pop(), pop()); + } else{ + c2 = STDtoISO(pop()); /* accent */ + c1 = STDtoISO(pop()); /* letter */ + + cd = getchardesc(fnt, c1); + if (cd) { + memcpy(chardata, cd->data, cd->datalen); + nshorts = cd->datalen / sizeof(short); + } + + cd = getchardesc(fnt, c2); + if (cd && cd->data && cd->datalen) { + ndata = cd->data; + + if (nshorts) { + if (savesplines) { + switch (chardata[nshorts - 1]){ + case SP_RET: + nshorts--; + break; + case SP_RETCLOSEPATH: + chardata[nshorts - 1] = SP_CLOSEPATH; + break; + } + } else { + switch (chardata[nshorts - 1]){ + case PO_RET: + printf("PO_RET in character disription ?\n"); + nshorts--; + break; + case PO_RETENDLOOP: + if (ndata[0] == PO_BGNLOOP) { + chardata[nshorts - 1] = PO_ENDBGNLOOP; + } else { + printf("new character doesn't start with PO_BGNLOOP ?\n"); + } + break; + } + } + } + + /* i.p.v. the sidebearing[c1] moet misschen thesidebearing gebruikt worden */ + + dy1 = pop(); + dx1 = pop() + sidebearing[c1] - sidebearing[c2]; + pop(); + + fdx1 = dx1; + fdy1 = dy1; + applymat(mat, &fdx1, &fdy1); + dx1 = floor(fdx1); + dy1 = floor(fdy1); + + if (savesplines) { + append_spline_offset(dx1, dy1, ndata); + } else{ + append_poly_offset(dx1, dy1, ndata); + } + + /*printf("first: %d %d\n", cd->data[0], cd->data[1]);*/ + } + fflush(stdout); + } + break; + case SBW: + w = pop(); + y = pop(); + fprintf(stderr,"sbw: width: %d %d\n",w,y); + y = pop(); + x = pop(); + fprintf(stderr,"sbw: side: %d %d\n",x,y); + setwidth(w, x); + sbpoint(x,y); + break; + case DIV: + x = pop(); + y = pop(); + push(x/y); + break; + case CALLOTHERSUBR: + sub = pop(); + n = pop(); + if(sub == 0) + subr0(); + else if(sub == 1) + subr1(); + else if(sub == 2) + subr2(); + else { + for(i=0; i<n; i++) { + retpush(pop()); + } + } + break; + case POP: + push(retpop()); + break; + case SETCURRENTPOINT: + y = pop(); + x = pop(); + sbpoint(x,y); + break; + default: + /*fprintf(stderr,"\nYUCK bad instruction %d\n",cmd);*/ + break; + } + if(pc == 0 || cmd == ENDCHAR || cmd == WHAT0 || cmd == SEAC) + return 0; + else + return 1; +} + + +/* + * Character interpreter + * + */ + +static void runprog(void) +{ + int v, w, num, cmd; + + while(1) { + v = *pc++; + if(v>=0 && v<=31) { + if(v == 12) { + w = *pc++; + cmd = 256+w; + } else + cmd = v; + if(!docommand(cmd)) { + return; + } + } else if(v>=32 && v<=246) { + num = v-139; + push(num); + } else if(v>=247 && v<=250) { + w = *pc++; + num = (v-247)*256+w+108; + push(num); + } else if(v>=251 && v<=254) { + w = *pc++; + num = -(v-251)*256-w-108; + push(num); + } else if(v == 255) { + num = *pc++; + num <<= 8; + num |= *pc++; + num <<= 8; + num |= *pc++; + num <<= 8; + num |= *pc++; + push(num); + } + } +} + +/***/ + +static VFontData *objfnt_to_vfontdata(objfnt *fnt) +{ + VFontData *vfd; + chardesc *cd; + short *_data, *data; + int a, i, count, stop, ready, meet; + short first[2], last[2]; + struct Nurb *nu; + struct BezTriple *bezt, *bez2; + float scale, dx, dy; + + if (!fnt || (fnt->type!=SP_TYPE)) { + return NULL; + } + + vfd= MEM_callocN(sizeof(*vfd), "VFontData"); + scale = 10.0/(float)fnt->scale; /* na IRIX 6.2, schaal klopte niet meer */ + + for (i = 0; i < MAX_VF_CHARS; i++) { + cd = getchardesc(fnt, i); + if (cd && cd->data && cd->datalen) { + vfd->width[i] = scale * cd->movex; + + _data = data = cd->data; + + do{ + /* eerst even tellen */ + _data = data; + count = 0; + ready = stop = 0; + + do{ + switch(*data++){ + case SP_MOVETO: + first[0] = data[0]; + first[1] = data[1]; + case SP_LINETO: + count++; + last[0] = data[0]; + last[1] = data[1]; + data += 2; + break; + case SP_CURVETO: + count++; + last[0] = data[4]; + last[1] = data[5]; + data += 6; + break; + case SP_RET: + case SP_RETCLOSEPATH: + stop = 1; + ready = 1; + break; + case SP_CLOSEPATH: + stop = 1; + break; + } + } while (!stop); + + if (last[0] == first[0] && last[1] == first[1]) meet = 1; + else meet = 0; + + /* is er meer dan 1 uniek punt ?*/ + + if (count - meet > 0) { + data = _data; + nu = (Nurb*)MEM_callocN(sizeof(struct Nurb),"objfnt_nurb"); + bezt = (BezTriple*)MEM_callocN((count)* sizeof(BezTriple),"objfnt_bezt") ; + if (nu != 0 && bezt != 0) { + BLI_addtail(&vfd->nurbsbase[i], nu); + nu->type= CU_BEZIER+CU_2D; + nu->pntsu = count; + nu->resolu= 8; + nu->flagu= 1; + nu->bezt = bezt; + stop = 0; + + /* punten inlezen */ + do { + switch(*data++){ + case SP_MOVETO: + bezt->vec[1][0] = scale * *data++; + bezt->vec[1][1] = scale * *data++; + + break; + case SP_LINETO: + bez2 = bezt++; + bezt->vec[1][0] = scale * *data++; + bezt->vec[1][1] = scale * *data++; + /* vector handles */ + bezt->h1= HD_VECT; + bez2->h2= HD_VECT; + dx = (bezt->vec[1][0] - bez2->vec[1][0]) / 3.0; + dy = (bezt->vec[1][1] - bez2->vec[1][1]) / 3.0; + bezt->vec[0][0] = bezt->vec[1][0] - dx; + bezt->vec[0][1] = bezt->vec[1][1] - dy; + bez2->vec[2][0] = bez2->vec[1][0] + dx; + bez2->vec[2][1] = bez2->vec[1][1] + dy; + break; + + case SP_CURVETO: + bezt->vec[2][0] = scale * *data++; + bezt->vec[2][1] = scale * *data++; + bezt->h2= HD_ALIGN; + bezt++; + bezt->vec[0][0] = scale * *data++; + bezt->vec[0][1] = scale * *data++; + bezt->vec[1][0] = scale * *data++; + bezt->vec[1][1] = scale * *data++; + bezt->h1= HD_ALIGN; + break; + + case SP_RET: + case SP_RETCLOSEPATH: + stop = 1; + ready = 1; + break; + case SP_CLOSEPATH: + stop = 1; + break; + } + } while (stop == 0); + + if (meet) { + /* kopieer handles */ + nu->bezt->vec[0][0] = bezt->vec[0][0]; + nu->bezt->vec[0][1] = bezt->vec[0][1]; + /* en vergeet laatste punt */ + nu->pntsu--; + } + else { + /* vector handles */ + bez2 = nu->bezt; + dx = (bezt->vec[1][0] - bez2->vec[1][0]) / 3.0; + dy = (bezt->vec[1][1] - bez2->vec[1][1]) / 3.0; + bezt->vec[2][0] = bezt->vec[1][0] - dx; + bezt->vec[2][1] = bezt->vec[1][1] - dy; + bez2->vec[0][0] = bez2->vec[1][0] + dx; + bez2->vec[0][1] = bez2->vec[1][1] + dy; + bezt->h2= bez2->h1= HD_VECT; + } + + /* verboden handle combinaties */ + a= nu->pntsu; + bezt= nu->bezt; + while(a--) { + if(bezt->h1!=HD_ALIGN && bezt->h2==HD_ALIGN) bezt->h2= 0; + else if(bezt->h2!=HD_ALIGN && bezt->h1==HD_ALIGN) bezt->h1= 0; + bezt++; + } + + } + else { + if (nu) MEM_freeN(nu); + if (bezt) MEM_freeN(bezt); + } + } + _data = data; + } while (ready == 0); + } + } + + return vfd; +} + +VFontData *BLI_vfontdata_from_psfont(PackedFile *pf) +{ + objfnt *fnt= objfnt_from_psfont(pf); + VFontData *vfd= NULL; + + if (fnt) { + vfd= objfnt_to_vfontdata(fnt); + freeobjfnt(fnt); + } + + return vfd; +} |