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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-02 15:02:49 +0100 |
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committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2015-02-02 15:02:49 +0100 |
commit | b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73 (patch) | |
tree | 4361edef0d42d5bf5ac984ef72b4fac35426eae7 /nx-X11/extras/ttf2pt1/bdf.c | |
parent | 0d5a83e986f39982c0924652a3662e60b1f23162 (diff) | |
download | nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.gz nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.tar.bz2 nx-libs-b16b9e4656e7199c2aec74a4c8ebc7a875d3ba73.zip |
massive reduction of unneeded files
Diffstat (limited to 'nx-X11/extras/ttf2pt1/bdf.c')
-rw-r--r-- | nx-X11/extras/ttf2pt1/bdf.c | 660 |
1 files changed, 0 insertions, 660 deletions
diff --git a/nx-X11/extras/ttf2pt1/bdf.c b/nx-X11/extras/ttf2pt1/bdf.c deleted file mode 100644 index 9f6c72720..000000000 --- a/nx-X11/extras/ttf2pt1/bdf.c +++ /dev/null @@ -1,660 +0,0 @@ -/* - * The font parser for the BDF files - * - * Copyright (c) 2001 by the TTF2PT1 project - * Copyright (c) 2001 by Sergey Babkin - * - * see COPYRIGHT for the full copyright notice - */ - -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <ctype.h> -#include "pt1.h" -#include "global.h" - -/* prototypes of call entries */ -static void openfont(char *fname, char *arg); -static void closefont( void); -static int getnglyphs ( void); -static int glnames( GLYPH *glyph_list); -static void readglyphs( GLYPH *glyph_list); -static int glenc( GLYPH *glyph_list, int *encoding, int *unimap); -static void fnmetrics( struct font_metrics *fm); -static void glpath( int glyphno, GLYPH *glyph_list); -static void kerning( GLYPH *glyph_list); - -/* globals */ - -/* front-end descriptor */ -struct frontsw bdf_sw = { - /*name*/ "bdf", - /*descr*/ "BDF bitmapped fonts", - /*suffix*/ { "bdf" }, - /*open*/ openfont, - /*close*/ closefont, - /*nglyphs*/ getnglyphs, - /*glnames*/ glnames, - /*glmetrics*/ readglyphs, - /*glenc*/ glenc, - /*fnmetrics*/ fnmetrics, - /*glpath*/ glpath, - /*kerning*/ kerning, -}; - -/* statics */ - -#define MAXLINE 10240 /* maximal line length in the input file */ - -static int lineno; /* line number */ - -#define GETLEN(s) s, (sizeof(s)-1) -#define LENCMP(str, txt) strncmp(str, txt, sizeof(txt)-1) - -static FILE *bdf_file; -static int nglyphs; -static struct font_metrics fmet; - -/* many BDF fonts are of small pixel size, so we better try - * to scale them by an integer to keep the dimensions in - * whole pixels. However if the size is too big and a non- - * integer scaling is needed, we use the standard ttf2pt1's - * scaling abilities. - */ -static int pixel_size; -static int scale; -static int scale_external; - -static char *slant; -static char xlfdname[201]; -static char *spacing; -static char *charset_reg; -static char *charset_enc; -static char *fnwidth; -static int is_unicode = 0; - -/* tempoary storage for returning data to ttf2pt1 later on request */ -static int maxenc = 0; -static int *fontenc; -static GENTRY **glpaths; - -static int got_glyphs = 0; -static GLYPH *glyphs; -static int curgl; - -static int readfile(FILE *f, int (*strfunc)(int len, char *str)); - -/* - * Read the file and parse each string with strfunc(), - * until strfunc() returns !=0 or the end of file happens. - * Returns -1 on EOF or strfunc() returning <0, else 0 - */ - -static int -readfile( - FILE *f, - int (*strfunc)(int len, char *str) -) -{ - static char str[MAXLINE]; /* input line, maybe should be dynamic ? */ - char *s; - int len, c, res; - - len=0; - while(( c=getc(f) )!=EOF) { - if(c=='\n') { - str[len]=0; - - res = strfunc(len, str); - lineno++; - if(res<0) - return -1; - else if(res!=0) - return 0; - - len=0; - } else if(len<MAXLINE-1) { - if(c!='\r') - str[len++]=c; - } else { - fprintf(stderr, "**** bdf: line %d is too long (>%d)\n", lineno, MAXLINE-1); - exit(1); - } - } - return -1; /* EOF */ -} - -/* - * Parse the header of the font file. - * Stop after the line CHARS is encountered. Ignore the unknown lines. - */ - -struct line { - char *name; /* property name with trailing space */ - int namelen; /* length of the name string */ - enum { - ALLOW_REPEAT = 0x01, /* this property may be repeated in multiple lines */ - IS_SEEN = 0x02, /* this property has been seen already */ - MUST_SEE = 0x04, /* this property must be seen */ - IS_LAST = 0x08 /* this is the last property to be read */ - } flags; - char *fmt; /* format string for the arguments, NULL means a string arg */ - int nvals; /* number of values to be read by sscanf */ - void *vp[4]; /* pointers to values to be read */ -}; - -static struct line header[] = { - { GETLEN("FONT "), 0, " %200s", 1, {&xlfdname} }, - { GETLEN("SIZE "), MUST_SEE, " %d", 1, {&pixel_size} }, - { GETLEN("FONTBOUNDINGBOX "), MUST_SEE, " %hd %hd %hd %hd", 4, - {&fmet.bbox[2], &fmet.bbox[3], &fmet.bbox[0], &fmet.bbox[1]} }, - { GETLEN("FAMILY_NAME "), MUST_SEE, NULL, 1, {&fmet.name_family} }, - { GETLEN("WEIGHT_NAME "), MUST_SEE, NULL, 1, {&fmet.name_style} }, - { GETLEN("COPYRIGHT "), 0, NULL, 1, {&fmet.name_copyright} }, - { GETLEN("SLANT "), MUST_SEE, NULL, 1, {&slant} }, - { GETLEN("SPACING "), 0, NULL, 1, {&spacing} }, - { GETLEN("SETWIDTH_NAME "), 0, NULL, 1, {&fnwidth} }, - { GETLEN("CHARSET_REGISTRY "), 0, NULL, 1, {&charset_reg} }, - { GETLEN("CHARSET_ENCODING "), 0, NULL, 1, {&charset_enc} }, - { GETLEN("FONT_ASCENT "), 0, " %hd", 1, {&fmet.ascender} }, - { GETLEN("FONT_DESCENT "), 0, " %hd", 1, {&fmet.descender} }, - - /* these 2 must go in this order for post-processing */ - { GETLEN("UNDERLINE_THICKNESS "), 0, " %hd", 1, {&fmet.underline_thickness} }, - { GETLEN("UNDERLINE_POSITION "), 0, " %hd", 1, {&fmet.underline_position} }, - - { GETLEN("CHARS "), MUST_SEE|IS_LAST, " %d", 1, {&nglyphs} }, - { NULL, 0, 0 } /* end mark: name==NULL */ -}; - -static int -handle_header( - int len, - char *str -) -{ - struct line *cl; - char *s, *p; - int c; - -#if 0 - fprintf(stderr, "line: %s\n", str); -#endif - for(cl = header; cl->name != 0; cl++) { - if(strncmp(str, cl->name, cl->namelen)) - continue; -#if 0 - fprintf(stderr, "match: %s\n", cl->name); -#endif - if(cl->flags & IS_SEEN) { - if(cl->flags & ALLOW_REPEAT) - continue; - - fprintf(stderr, "**** input line %d redefines the property %s\n", lineno, cl->name); - exit(1); - } - cl->flags |= IS_SEEN; - if(cl->fmt == 0) { - s = malloc(len - cl->namelen + 1); - if(s == 0) { - fprintf (stderr, "****malloc failed %s line %d\n", __FILE__, __LINE__); - exit(255); - } - *((char **)(cl->vp[0])) = s; - - /* skip until a quote */ - for(p = str+cl->namelen; (c = *p)!=0; p++) { - if(c == '"') { - p++; - break; - } - } - for(; (c = *p)!=0; p++) { - if(c == '"') { - c = *++p; - if(c == '"') - *s++ = c; - else - break; - } else - *s++ = c; - } - *s = 0; /* end of line */ - } else { - c = sscanf(str+cl->namelen, cl->fmt, cl->vp[0], cl->vp[1], cl->vp[2], cl->vp[3]); - if(c != cl->nvals) { - fprintf(stderr, "**** property %s at input line %d must have %d arguments\n", - cl->name, lineno, cl->nvals); - exit(1); - } - } - if(cl->flags & IS_LAST) - return 1; - else - return 0; - } - return 0; -} - -/* - * Parse the description of the glyphs - */ - -static int -handle_glyphs( - int len, - char *str -) -{ - static int inbmap=0; - static char *bmap; - static int xsz, ysz, xoff, yoff; - static int curln; - int i, c; - char *p, *plim, *psz; - - if(!LENCMP(str, "ENDFONT")) { - if(curgl < nglyphs) { - fprintf(stderr, "**** unexpected end of font file after %d glyphs\n", curgl); - exit(1); - } else - return 1; - } - if(curgl >= nglyphs) { - fprintf(stderr, "**** file contains more glyphs than advertised (%d)\n", nglyphs); - exit(1); - } - if(!LENCMP(str, "STARTCHAR")) { - /* sizeof will count \0 instead of ' ' */ - for(i=sizeof("STARTCHAR"); str[i] == ' '; i++) - {} - - glyphs[curgl].name = strdup(str + i); - if(glyphs[curgl].name == 0) { - fprintf (stderr, "****malloc failed %s line %d\n", __FILE__, __LINE__); - exit(255); - } - } else if(!LENCMP(str, "ENCODING")) { - if(sscanf(str, "ENCODING %d", &fontenc[curgl])!=1) { - fprintf(stderr,"**** weird ENCODING statement at line %d\n", lineno); - exit(1); - } - if(fontenc[curgl] == -1) /* compatibility format */ - sscanf(str, "ENCODING -1 %d", &fontenc[curgl]); - if(fontenc[curgl] > maxenc) - maxenc = fontenc[curgl]; - } else if(!LENCMP(str, "DWIDTH")) { - if(sscanf(str, "DWIDTH %d %d", &xsz, &ysz)!=2) { - fprintf(stderr,"**** weird DWIDTH statement at line %d\n", lineno); - exit(1); - } - glyphs[curgl].width = xsz*scale; - } else if(!LENCMP(str, "BBX")) { - if(sscanf(str, "BBX %d %d %d %d", &xsz, &ysz, &xoff, &yoff)!=4) { - fprintf(stderr,"**** weird BBX statement at line %d\n", lineno); - exit(1); - } - bmap=malloc(xsz*ysz); - if(bmap==0) { - fprintf (stderr, "****malloc failed %s line %d\n", __FILE__, __LINE__); - exit(255); - } - glyphs[curgl].lsb = -xoff*scale; - glyphs[curgl].xMin = -xoff*scale; - glyphs[curgl].xMax = (xsz-xoff)*scale; - glyphs[curgl].yMin = -yoff*scale; - glyphs[curgl].yMax = (ysz-xoff)*scale; - } else if(!LENCMP(str, "BITMAP")) { - inbmap=1; - curln=ysz-1; /* the lowest line has index 0 */ - } else if(!LENCMP(str, "ENDCHAR")) { - inbmap=0; - if(bmap) { - glyphs[curgl].lastentry = 0; - glyphs[curgl].path = 0; - glyphs[curgl].entries = 0; - bmp_outline(&glyphs[curgl], scale, bmap, xsz, ysz, xoff, yoff); - free(bmap); - /* remember in a static table or it will be erased */ - glpaths[curgl] = glyphs[curgl].entries; - glyphs[curgl].entries = 0; - - if(glpaths[curgl]) - glyphs[curgl].ttf_pathlen = 1; - else - glyphs[curgl].ttf_pathlen = 0; - } - curgl++; - } else if(inbmap) { - if(curln<0) { - fprintf(stderr,"**** bitmap is longer than %d lines at line %d\n", ysz, lineno); - exit(1); - } - - i=0; - p=&bmap[curln*xsz]; psz=p+xsz; - while(i<len) { - c=str[i++]; - if(!isxdigit(c)) { - fprintf(stderr,"**** non-hex digit in bitmap at line %d\n", lineno); - exit(1); - } - if(c<='9') - c-='0'; - else - c= tolower(c)-'a'+10; - - for(plim=p+4; p<psz && p<plim; c<<=1) - *p++ = (( c & 0x08 )!=0); - } - if(p<psz) { - fprintf(stderr,"**** bitmap line is too short at line %d\n", lineno); - exit(1); - } - curln--; - } - return 0; -} - -/* - * Read all the possible information about the glyphs - */ - -static void -readglyphs( - GLYPH *glyph_list -) -{ - int i; - GLYPH *g; - - if(got_glyphs) - return; - - /* pass them to handle_glyphs() through statics */ - glyphs = glyph_list; - curgl = 2; /* skip the empty glyph and .notdef */ - - /* initialize the empty glyph and .notdef */ - - for(i=0; i<2; i++) { - g = &glyphs[i]; - g->lsb = 0; - g->width = fmet.bbox[2]; - g->xMin = 0; - g->yMin = 0; - } - g = &glyphs[0]; - g->name = ".notdef"; - g->xMax = fmet.bbox[2]*4/5; - g->yMax = fmet.bbox[3]*4/5; - g->entries = g->path = g->lastentry = 0; - /* make it look as a black square */ - fg_rmoveto(g, 0.0, 0.0); - fg_rlineto(g, 0.0, (double)g->yMax); - fg_rlineto(g, (double)g->xMax, (double)g->yMax); - fg_rlineto(g, (double)g->xMax, 0.0); - fg_rlineto(g, 0.0, 0.0); - g_closepath(g); - glpaths[0] = g->entries; - g->entries = 0; - g->ttf_pathlen = 4; - - g = &glyphs[1]; - g->name = ".null"; - g->xMax = g->yMax = 0; - g->ttf_pathlen = 0; - - if(readfile(bdf_file, handle_glyphs) < 0) { - fprintf(stderr, "**** file does not contain the ENDFONT line\n"); - exit(1); - } - got_glyphs = 1; -} - -/* - * Open font and prepare to return information to the main driver. - * May print error and warning messages. - * Exit on error. - */ - -static void -openfont( - char *fname, - char *arg /* unused now */ -) -{ - struct line *cl; - int i, l; - - if ((bdf_file = fopen(fname, "r")) == NULL) { - fprintf(stderr, "**** Cannot open file '%s'\n", fname); - exit(1); - } else { - WARNING_2 fprintf(stderr, "Processing file %s\n", fname); - } - - lineno = 1; - - for(cl = header; cl->name != 0; cl++) - cl->flags &= ~IS_SEEN; - if(readfile(bdf_file, handle_header) < 0) { - fprintf(stderr, "**** file does not contain the CHARS definition\n"); - exit(1); - } - for(cl = header; cl->name != 0; cl++) { - if( (cl->flags & MUST_SEE) && !(cl->flags & IS_SEEN) ) { - fprintf(stderr, "**** mandatory property %sis not found in the input line\n", - cl->name); /* cl->name has a space at the end */ - exit(1); - } - - /* set a few defaults */ - if( !(cl->flags & IS_SEEN) ) { - if(cl->vp[0] == &fmet.underline_thickness) { - fmet.underline_thickness = 1; - } else if(cl->vp[0] == &fmet.underline_position) { - fmet.underline_position = fmet.bbox[1] + fmet.underline_thickness - - (pixel_size - fmet.bbox[3]); - } else if(cl->vp[0] == &fmet.ascender) { - fmet.ascender = fmet.bbox[2] + fmet.bbox[0]; - } else if(cl->vp[0] == &fmet.descender) { - fmet.descender = fmet.bbox[0]; - } - } - } - - nglyphs += 2; /* add empty glyph and .notdef */ - - /* postprocessing to compensate for the differences in the metric formats */ - fmet.bbox[2] += fmet.bbox[0]; - fmet.bbox[3] += fmet.bbox[1]; - - scale = 1000/pixel_size; /* XXX ? */ - if(scale*pixel_size < 950) { - scale = 1; - scale_external = 1; - fmet.units_per_em = pixel_size; - } else { - scale_external = 0; - fmet.units_per_em = scale*pixel_size; - - fmet.underline_position *= scale; - fmet.underline_thickness *= scale; - fmet.ascender *= scale; - fmet.descender *= scale; - for(i=0; i<4; i++) - fmet.bbox[i] *= scale; - } - - fmet.italic_angle = 0.0; - if(spacing == 0 /* possibly an old font */ - || toupper(spacing[0]) != 'P') /* or anything non-proportional */ - fmet.is_fixed_pitch = 1; - else - fmet.is_fixed_pitch = 0; - - if(fmet.name_copyright==NULL) - fmet.name_copyright = ""; - - /* create the full name */ - l = strlen(fmet.name_family) - + (fmet.name_style? strlen(fmet.name_style) : 0) - + (fnwidth? strlen(fnwidth) : 0) - + strlen("Oblique") + 1; - - if(( fmet.name_full = malloc(l) )==NULL) { - fprintf (stderr, "****malloc failed %s line %d\n", __FILE__, __LINE__); - exit(255); - } - strcpy(fmet.name_full, fmet.name_family); - if(fnwidth && strcmp(fnwidth, "Normal")) { - strcat(fmet.name_full, fnwidth); - } - if(fmet.name_style && strcmp(fmet.name_style, "Medium")) { - strcat(fmet.name_full, fmet.name_style); - } - switch(toupper(slant[0])) { - case 'O': - strcat(fmet.name_full, "Oblique"); - break; - case 'I': - strcat(fmet.name_full, "Italic"); - break; - } - - fmet.name_ps = fmet.name_full; - fmet.name_version = "1.0"; - - if(charset_reg && charset_enc - && !strcmp(charset_reg, "iso10646") && !strcmp(charset_enc, "1")) - is_unicode = 1; - - if(( fontenc = calloc(nglyphs, sizeof *fontenc) )==NULL) { - fprintf (stderr, "****malloc failed %s line %d\n", __FILE__, __LINE__); - exit(255); - } - for(i=0; i<nglyphs; i++) - fontenc[i] = -1; - if(( glpaths = calloc(nglyphs, sizeof *glpaths) )==NULL) { - fprintf (stderr, "****malloc failed %s line %d\n", __FILE__, __LINE__); - exit(255); - } -} - -/* - * Close font. - * Exit on error. - */ - -static void -closefont( - void -) -{ - if(fclose(bdf_file) < 0) { - WARNING_1 fprintf(stderr, "Errors when closing the font file, ignored\n"); - } -} - -/* - * Get the number of glyphs in font. - */ - -static int -getnglyphs ( - void -) -{ - return nglyphs; -} - -/* - * Get the names of the glyphs. - * Returns 0 if the names were assigned, non-zero if the font - * provides no glyph names. - */ - -static int -glnames( - GLYPH *glyph_list -) -{ - readglyphs(glyph_list); - return 0; -} - -/* - * Get the original encoding of the font. - * Returns 1 for if the original encoding is Unicode, 2 if the - * original encoding is other 16-bit, 0 if 8-bit. - */ - -static int -glenc( - GLYPH *glyph_list, - int *encoding, - int *unimap -) -{ - int i, douni, e; - - if(is_unicode || forcemap) - douni = 1; - else - douni = 0; - - for(i=0; i<nglyphs; i++) { - e = fontenc[i]; - if(douni) - e = unicode_rev_lookup(e); - if(e>=0 && e<ENCTABSZ && encoding[e] == -1) - encoding[e] = i; - } - - if(is_unicode) - return 1; - else if(maxenc > 255) - return 2; - else - return 0; -} - -/* - * Get the font metrics - */ -static void -fnmetrics( - struct font_metrics *fm -) -{ - *fm = fmet; -} - -/* - * Get the path of contrours for a glyph. - */ - -static void -glpath( - int glyphno, - GLYPH *glyf_list -) -{ - readglyphs(glyf_list); - glyf_list[glyphno].entries = glpaths[glyphno]; - glpaths[glyphno] = 0; -} - -/* - * Get the kerning data. - */ - -static void -kerning( - GLYPH *glyph_list -) -{ - return; /* no kerning in BDF */ -} |