diff options
Diffstat (limited to 'mkfontscale/mkfontscale.c')
-rw-r--r-- | mkfontscale/mkfontscale.c | 1301 |
1 files changed, 1301 insertions, 0 deletions
diff --git a/mkfontscale/mkfontscale.c b/mkfontscale/mkfontscale.c new file mode 100644 index 000000000..3497d957e --- /dev/null +++ b/mkfontscale/mkfontscale.c @@ -0,0 +1,1301 @@ +/* + Copyright (c) 2002-2003 by Juliusz Chroboczek + + Permission is hereby granted, free of charge, to any person obtaining a copy + of this software and associated documentation files (the "Software"), to deal + in the Software without restriction, including without limitation the rights + to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be included in + all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + THE SOFTWARE. +*/ +/* $XdotOrg: xc/programs/mkfontscale/mkfontscale.c,v 1.2 2004/04/23 19:54:36 eich Exp $ */ +/* $XFree86: xc/programs/mkfontscale/mkfontscale.c,v 1.21 2003/12/10 02:58:07 dawes Exp $ */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <sys/types.h> +#include <dirent.h> +#include <unistd.h> +#include <errno.h> +#include <ctype.h> + +#include <X11/Xos.h> +#include <X11/fonts/fontenc.h> +#include <ft2build.h> +#include FT_FREETYPE_H +#include FT_SFNT_NAMES_H +#include FT_TRUETYPE_TABLES_H +#include FT_TRUETYPE_IDS_H +#include FT_TYPE1_TABLES_H +#include FT_BDF_H +#include FT_XFREE86_H + +#include "list.h" +#include "hash.h" +#include "data.h" +#include "ident.h" + +#ifdef NEED_SNPRINTF +#undef SCOPE +#define SCOPE static +#include "snprintf.c" +#endif + +#define NPREFIX 1024 + +#ifndef MAXFONTFILENAMELEN +#define MAXFONTFILENAMELEN 1024 +#endif +#ifndef MAXFONTNAMELEN +#define MAXFONTNAMELEN 1024 +#endif + +char *encodings_array[] = + { "ascii-0", + "iso8859-1", "iso8859-2", "iso8859-3", "iso8859-4", "iso8859-5", + "iso8859-6", "iso8859-6.8", "iso8859-6.8x", "iso8859-6.16", + "iso8859-7", "iso8859-8", "iso8859-9", "iso8859-10", + "iso8859-11", "iso8859-12", "iso8859-13", "iso8859-14", + "iso8859-15", "iso8859-16", + "ansi-1251", "koi8-r", "koi8-u", "koi8-ru", "koi8-e", "koi8-uni", + "tis620-2", + "sun.unicode.india-0", "suneu-greek", + "adobe-standard", "adobe-symbol", + "ibm-cp437", "ibm-cp850", "ibm-cp852", "ibm-cp866", "microsoft-cp1252", + /* But not "adobe-dingbats", as it uses generic glyph names. */ + "cns11643-1", "cns11643-2", "cns11643-3", + "jisx0201.1976-0", "jisx0208.1983-0", "jisx0208.1990-0", + "jisx0212.1990-0", "big5-0", "big5.eten-0", "big5hkscs-0", + "gb2312.1980-0", "gb18030.2000-0", "gb18030.2000-1", + "ksc5601.1987-0", "ksc5601.1992-3"}; + +char *extra_encodings_array[] = + { "iso10646-1", "adobe-fontspecific", "microsoft-symbol" }; + +ListPtr encodings, extra_encodings; +char *outfilename; + +#define countof(_a) (sizeof(_a)/sizeof((_a)[0])) + +static int doDirectory(char*, int, ListPtr); +static int checkEncoding(FT_Face face, char *encoding_name); +static int checkExtraEncoding(FT_Face face, char *encoding_name, int found); +static int find_cmap(int type, int pid, int eid, FT_Face face); +static char* notice_foundry(char *notice); +static char* vendor_foundry(signed char *vendor); +static int readFontScale(HashTablePtr entries, char *dirname); +ListPtr makeXLFD(char *filename, FT_Face face, int); +static int readEncodings(ListPtr encodings, char *dirname); + +static FT_Library ft_library; +static float bigEncodingFuzz = 0.02; + +static int relative; +static int doScalable; +static int doBitmaps; +static int doISO10646_1_encoding; +static int onlyEncodings; +static ListPtr encodingsToDo; +static int reencodeLegacy; +static char *encodingPrefix; +static char *exclusionSuffix; + +static void +usage(void) +{ + fprintf(stderr, + "mkfontscale [ -b ] [ -s ] [ -o filename ] [-x suffix ]\n" + " [ -a encoding ] [ -f fuzz ] [ -l ] " + " [ -e directory ] [ -p prefix ] [ -n ] [ -r ] \n" + " [-u] [-U] [ directory ]...\n"); +} + +int +main(int argc, char **argv) +{ + int argn; + FT_Error ftrc; + int rc, ll = 0; + char prefix[NPREFIX]; + + encodingPrefix = NULL; + exclusionSuffix = NULL; + + if(getcwd(prefix, NPREFIX - 1) == NULL) { + perror("Couldn't get cwd"); + exit(1); + } + if(prefix[strlen(prefix) - 1] != '/') + strcat(prefix, "/"); + encodingPrefix = dsprintf("%s", prefix); + + outfilename = NULL; + + encodings = makeList(encodings_array, countof(encodings_array), NULL, 0); + + extra_encodings = makeList(extra_encodings_array, + countof(extra_encodings_array), + NULL, 0); + doBitmaps = 0; + doISO10646_1_encoding = 1; + doScalable = 1; + onlyEncodings = 0; + relative = 0; + reencodeLegacy = 1; + encodingsToDo = NULL; + + argn = 1; + while(argn < argc) { + if(argv[argn][0] == '\0' || argv[argn][0] != '-') + break; + if(argv[argn][1] == '-') { + argn++; + break; + } else if (strcmp(argv[argn], "-x") == 0) { + if(argn >= argc - 1) { + usage(); + exit(1); + } + exclusionSuffix = argv[argn + 1]; + argn += 2; + } else if(strcmp(argv[argn], "-a") == 0) { + if(argn >= argc - 1) { + usage(); + exit(1); + } + makeList(&argv[argn + 1], 1, encodings, 0); + argn += 2; + } else if(strcmp(argv[argn], "-p") == 0) { + if(argn >= argc - 1) { + usage(); + exit(1); + } + if(strlen(argv[argn + 1]) > NPREFIX - 1) { + usage(); + exit(1); + } + free(encodingPrefix); + encodingPrefix = dsprintf("%s", argv[argn + 1]); + argn += 2; + } else if(strcmp(argv[argn], "-e") == 0) { + if(argn >= argc - 1) { + usage(); + exit(1); + } + rc = readEncodings(encodingsToDo, argv[argn + 1]); + if(rc < 0) + exit(1); + argn += 2; + } else if(strcmp(argv[argn], "-b") == 0) { + doBitmaps = 1; + argn++; + } else if(strcmp(argv[argn], "-u") == 0) { + doISO10646_1_encoding = 0; + argn++; + } else if(strcmp(argv[argn], "-U") == 0) { + doISO10646_1_encoding = 1; + argn++; + } else if(strcmp(argv[argn], "-s") == 0) { + doScalable = 0; + argn++; + } else if(strcmp(argv[argn], "-n") == 0) { + onlyEncodings = 1; + argn++; + } else if(strcmp(argv[argn], "-r") == 0) { + relative = 1; + argn++; + } else if(strcmp(argv[argn], "-l") == 0) { + reencodeLegacy = !reencodeLegacy; + argn++; + } else if(strcmp(argv[argn], "-o") == 0) { + if(argn >= argc - 1) { + usage(); + exit(1); + } + outfilename = argv[argn + 1]; + argn += 2; + } else if(strcmp(argv[argn], "-f") == 0) { + if(argn >= argc - 1) { + usage(); + exit(1); + } + bigEncodingFuzz = atof(argv[argn + 1]) / 100.0; + argn += 2; + } else if (strcmp(argv[argn], "-r") == 0) { /* ignore for now */ + argn++; + } else if (strcmp(argv[argn], "-n") == 0) { + argn++; + } else { + usage(); + exit(1); + } + } + + if(outfilename == NULL) { + if(doBitmaps) + outfilename = "fonts.dir"; + else + outfilename = "fonts.scale"; + } + + ftrc = FT_Init_FreeType(&ft_library); + if(ftrc) { + fprintf(stderr, "Could not initialise FreeType library: %d\n", ftrc); + exit(1); + } + + ll = listLength(encodingsToDo); + + if (argn == argc) + doDirectory(".", ll, encodingsToDo); + else + while(argn < argc) { + doDirectory(argv[argn], ll, encodingsToDo); + argn++; + } + return 0; +} + +static int +getNameHelper(FT_Face face, int nid, int pid, int eid, + FT_SfntName *name_return) +{ + FT_SfntName name; + int n, i; + + n = FT_Get_Sfnt_Name_Count(face); + if(n <= 0) + return 0; + + for(i = 0; i < n; i++) { + if(FT_Get_Sfnt_Name(face, i, &name)) + continue; + if(name.name_id == nid && + name.platform_id == pid && + (eid < 0 || name.encoding_id == eid)) { + switch(name.platform_id) { + case TT_PLATFORM_APPLE_UNICODE: + case TT_PLATFORM_MACINTOSH: + if(name.language_id != TT_MAC_LANGID_ENGLISH) + continue; + break; + case TT_PLATFORM_MICROSOFT: + if(name.language_id != TT_MS_LANGID_ENGLISH_UNITED_STATES && + name.language_id != TT_MS_LANGID_ENGLISH_UNITED_KINGDOM) + continue; + break; + default: + continue; + } + if(name.string_len > 0) { + *name_return = name; + return 1; + } + } + } + return 0; +} + +static char * +getName(FT_Face face, int nid) +{ + FT_SfntName name; + char *string; + int i; + + if(getNameHelper(face, nid, + TT_PLATFORM_MICROSOFT, TT_MS_ID_UNICODE_CS, &name) || + getNameHelper(face, nid, + TT_PLATFORM_APPLE_UNICODE, -1, &name)) { + string = malloc(name.string_len / 2 + 1); + if(string == NULL) { + fprintf(stderr, "Couldn't allocate name\n"); + exit(1); + } + for(i = 0; i < name.string_len / 2; i++) { + if(name.string[2 * i] != 0) + string[i] = '?'; + else + string[i] = name.string[2 * i + 1]; + } + string[i] = '\0'; + return string; + } + + /* Pretend that Apple Roman is ISO 8859-1. */ + if(getNameHelper(face, nid, TT_PLATFORM_MACINTOSH, TT_MAC_ID_ROMAN, + &name)) { + string = malloc(name.string_len + 1); + if(string == NULL) { + fprintf(stderr, "Couldn't allocate name\n"); + exit(1); + } + memcpy(string, name.string, name.string_len); + string[name.string_len] = '\0'; + return string; + } + + return NULL; +} + +static char* +os2Weight(int weight) +{ + if(weight < 150) + return "thin"; + else if(weight < 250) + return "extralight"; + else if(weight < 350) + return "light"; + else if(weight < 450) + return "medium"; /* officially "normal" */ + else if(weight < 550) + return "medium"; + else if(weight < 650) + return "semibold"; + else if(weight < 750) + return "bold"; + else if(weight < 850) + return "extrabold"; + else + return "black"; +} + +static char* +os2Width(int width) +{ + if(width <= 1) + return "ultracondensed"; + else if(width <= 2) + return "extracondensed"; + else if(width <= 3) + return "condensed"; + else if(width <= 4) + return "semicondensed"; + else if(width <= 5) + return "normal"; + else if(width <= 6) + return "semiexpanded"; + else if(width <= 7) + return "expanded"; + else if(width <= 8) + return "extraexpanded"; + else + return "ultraexpanded"; +} + +static char *widths[] = { + "ultracondensed", "extracondensed", "condensed", "semicondensed", + "normal", "semiexpanded", "expanded", "extraexpanded", "ultraexpanded" +}; + +#define NUMWIDTHS (sizeof(widths) / sizeof(widths[0])) + +static char* +nameWidth(char *name) +{ + char buf[500]; + int i; + int n = strlen(name); + + if(n >= 499) return NULL; + for(i = 0; i < n; i++) + buf[i] = tolower(name[i]); + buf[i] = '\0'; + + for(i = 0; i < NUMWIDTHS; i++) + if(strstr(buf, widths[i])) + return widths[i]; + return NULL; +} + +static char* +t1Weight(char *weight) +{ + if(!weight) + return NULL; + if(strcmp(weight, "Thin") == 0) + return "thin"; + if(strcmp(weight, "Light") == 0) + return "light"; + if(strcmp(weight, "Regular") == 0) + return "medium"; + if(strcmp(weight, "Normal") == 0) + return "medium"; + if(strcmp(weight, "Medium") == 0) + return "medium"; + if(strcmp(weight, "Book") == 0) + return "medium"; + if(strcmp(weight, "Roman") == 0) /* Some URW++ fonts do that! */ + return "medium"; + if(strcmp(weight, "Demi") == 0) + return "semibold"; + if(strcmp(weight, "DemiBold") == 0) + return "semibold"; + if(strcmp(weight, "SemiBold") == 0) /* some TeX fonts apparently do that */ + return "semibold"; + else if(strcmp(weight, "Bold") == 0) + return "bold"; + else if(strcmp(weight, "Black") == 0) + return "black"; + else { + fprintf(stderr, "Unknown Type 1 weight \"%s\"\n", weight); + return NULL; + } +} + +static int +unsafe(char c) +{ + return + c < 0x20 || c > 0x7E || + c == '[' || c == ']' || c == '(' || c == ')' || c == '\\' || c == '-'; +} + +static char * +safe(char* s) +{ + int i, len, safe_flag = 1; + char *t; + + i = 0; + while(s[i] != '\0') { + if(unsafe(s[i])) + safe_flag = 0; + i++; + } + + if(safe_flag) return s; + + len = i; + t = malloc(len + 1); + if(t == NULL) { + perror("Couldn't allocate string"); + exit(1); + } + + for(i = 0; i < len; i++) { + if(unsafe(s[i])) + t[i] = ' '; + else + t[i] = s[i]; + } + t[i] = '\0'; + return t; +} + +ListPtr +makeXLFD(char *filename, FT_Face face, int isBitmap) +{ + ListPtr xlfd = NULL; + char *foundry, *family, *weight, *slant, *sWidth, *adstyle, + *spacing, *full_name; + TT_Header *head; + TT_HoriHeader *hhea; + TT_OS2 *os2; + TT_Postscript *post; + PS_FontInfoRec *t1info, t1info_rec; + int rc; + + foundry = NULL; + family = NULL; + weight = NULL; + slant = NULL; + sWidth = NULL; + adstyle = NULL; + spacing = NULL; + full_name = NULL; + + head = FT_Get_Sfnt_Table(face, ft_sfnt_head); + hhea = FT_Get_Sfnt_Table(face, ft_sfnt_hhea); + os2 = FT_Get_Sfnt_Table(face, ft_sfnt_os2); + post = FT_Get_Sfnt_Table(face, ft_sfnt_post); + + rc = FT_Get_PS_Font_Info(face, &t1info_rec); + if(rc == 0) + t1info = &t1info_rec; + else + t1info = NULL; + + if(!family) + family = getName(face, TT_NAME_ID_FONT_FAMILY); + if(!family) + family = getName(face, TT_NAME_ID_FULL_NAME); + if(!family) + family = getName(face, TT_NAME_ID_PS_NAME); + + if(!full_name) + full_name = getName(face, TT_NAME_ID_FULL_NAME); + if(!full_name) + full_name = getName(face, TT_NAME_ID_PS_NAME); + + if(os2 && os2->version != 0xFFFF) { + if(!weight) + weight = os2Weight(os2->usWeightClass); + if(!sWidth) + sWidth = os2Width(os2->usWidthClass); + if(!foundry) + foundry = vendor_foundry(os2->achVendID); + if(!slant) + slant = os2->fsSelection & 1 ? "i" : "r"; + } + + if(post) { + if(!spacing) { + if(post->isFixedPitch) { + if(hhea->min_Left_Side_Bearing >= 0 && + hhea->xMax_Extent <= hhea->advance_Width_Max) { + spacing = "c"; + } else { + spacing = "m"; + } + } else { + spacing = "p"; + } + } + } + + if(t1info) { + if(!family) + family = t1info->family_name; + if(!family) + family = t1info->full_name; + if(!full_name) + full_name = t1info->full_name; + if(!foundry) + foundry = notice_foundry(t1info->notice); + if(!weight) + weight = t1Weight(t1info->weight); + if(!spacing) + spacing = t1info->is_fixed_pitch ? "m" : "p"; + if(!slant) { + /* Bitstream fonts have positive italic angle. */ + slant = + t1info->italic_angle <= -4 || t1info->italic_angle >= 4 ? + "i" : "r"; + } + } + + if(!full_name) { + fprintf(stderr, "Couldn't determine full name for %s\n", filename); + full_name = filename; + } + + if(head) { + if(!slant) + slant = head->Mac_Style & 2 ? "i" : "r"; + if(!weight) + weight = head->Mac_Style & 1 ? "bold" : "medium"; + } + + if(!slant) { + fprintf(stderr, "Couldn't determine slant for %s\n", filename); + slant = "r"; + } + + if(!weight) { + fprintf(stderr, "Couldn't determine weight for %s\n", filename); + weight = "medium"; + } + + if(!foundry) { + char *notice; + notice = getName(face, TT_NAME_ID_TRADEMARK); + if(notice) { + foundry = notice_foundry(notice); + } + if(!foundry) { + notice = getName(face, TT_NAME_ID_MANUFACTURER); + if(notice) { + foundry = notice_foundry(notice); + } + } + } + + if(strcmp(slant, "i") == 0) { + if(strstr(full_name, "Oblique")) + slant = "o"; + if(strstr(full_name, "Slanted")) + slant = "o"; + } + + if(!sWidth) + sWidth = nameWidth(full_name); + + if(!foundry) foundry = "misc"; + if(!family) { + fprintf(stderr, "Couldn't get family name for %s\n", filename); + family = filename; + } + + if(!weight) weight = "medium"; + if(!slant) slant = "r"; + if(!sWidth) sWidth = "normal"; + if(!adstyle) adstyle = ""; + if(!spacing) spacing = "p"; + + /* Yes, it's a memory leak. */ + foundry = safe(foundry); + family = safe(family); + + if(!isBitmap) { + xlfd = listConsF(xlfd, + "-%s-%s-%s-%s-%s-%s-0-0-0-0-%s-0", + foundry, family, + weight, slant, sWidth, adstyle, spacing); + } else { + int i, w, h, xres, yres; + for(i = 0; i < face->num_fixed_sizes; i++) { + w = face->available_sizes[i].width; + h = face->available_sizes[i].height; + xres = 75; + yres = (double)h / w * xres; + xlfd = listConsF(xlfd, + "-%s-%s-%s-%s-%s-%s-%d-%d-%d-%d-%s-%d", + foundry, family, + weight, slant, sWidth, adstyle, + h, (int)(h / (double)yres * 72.27 * 10 + 0.5), + xres, yres, + spacing, 60); + } + } + return xlfd; +} + +static int +readFontScale(HashTablePtr entries, char *dirname) +{ + int n = strlen(dirname); + char *filename; + FILE *in; + int rc, count, i; + char file[MAXFONTFILENAMELEN], font[MAXFONTNAMELEN]; + char format[100]; + + snprintf(format, 100, "%%%ds %%%d[^\n]\n", + MAXFONTFILENAMELEN, MAXFONTNAMELEN); + + if(dirname[n - 1] == '/') + filename = dsprintf("%sfonts.scale", dirname); + else + filename = dsprintf("%s/fonts.scale", dirname); + if(filename == NULL) + return -1; + + in = fopen(filename, "r"); + free(filename); + if(in == NULL) { + if(errno != ENOENT) + perror("open(fonts.scale)"); + return -1; + } + + rc = fscanf(in, "%d\n", &count); + if(rc != 1) { + fprintf(stderr, "Invalid fonts.scale in %s.\n", dirname); + fclose(in); + return -1; + } + + for(i = 0; i < count; i++) { + rc = fscanf(in, format, file, font); + if(rc != 2) + break; + putHash(entries, font, file, 100); + } + fclose(in); + return 1; +} + +static int +filePrio(char *filename) +{ + int n = strlen(filename); + if(n < 4) + return 0; + if(strcmp(filename + n - 4, ".otf") == 0) + return 6; + if(strcmp(filename + n - 4, ".OTF") == 0) + return 6; + if(strcmp(filename + n - 4, ".ttf") == 0) + return 5; + if(strcmp(filename + n - 4, ".TTF") == 0) + return 5; + if(strcmp(filename + n - 4, ".pcf") == 0) + return 4; + if(strcmp(filename + n - 4, ".PCF") == 0) + return 4; + if(strcmp(filename + n - 3, ".gz") == 0) + return 3; +#ifdef X_BZIP2_FONT_COMPRESSION + if(strcmp(filename + n - 4, ".bz2") == 0) + return 2; +#endif + if(strcmp(filename + n - 2, ".Z") == 0) + return 2; + if(strcmp(filename + n - 4, ".bdf") == 0) + return 1; + if(strcmp(filename + n - 4, ".BDF") == 0) + return 1; + return 0; +} + +static int +doDirectory(char *dirname_given, int numEncodings, ListPtr encodingsToDo) +{ + char *dirname, *fontscale_name, *filename, *encdir; + FILE *fontscale, *encfile; + DIR *dirp; + struct dirent *entry; + FT_Error ftrc; + FT_Face face; + ListPtr encoding, xlfd, lp; + HashTablePtr entries; + HashBucketPtr *array; + int i, n, found, rc; + int isBitmap=0,xl=0; + + if (exclusionSuffix) + xl = strlen (exclusionSuffix); + + i = strlen(dirname_given); + if(i == 0) + dirname = dsprintf("./"); + else if(dirname_given[i - 1] != '/') + dirname = dsprintf("%s/", dirname_given); + else + dirname = dsprintf("%s", dirname_given); + + if(dirname == NULL) { + perror("dirname"); + exit(1); + } + + if (onlyEncodings) + goto encodings; + + entries = makeHashTable(); + if(doBitmaps && !doScalable) { + readFontScale(entries, dirname); + } + + if(strcmp(outfilename, "-") == 0) + fontscale_name = NULL; + else { + if(outfilename[0] == '/') + fontscale_name = dsprintf("%s", outfilename); + else + fontscale_name = dsprintf("%s%s", dirname, outfilename); + if(fontscale_name == NULL) { + perror("fontscale_name"); + exit(1); + } + } + + dirp = opendir(dirname); + if(dirp == NULL) { + fprintf(stderr, "%s: ", dirname); + perror("opendir"); + return 0; + } + + if(fontscale_name == NULL) + fontscale = stdout; + else + fontscale = fopen(fontscale_name, "wb"); + + if(fontscale == NULL) { + fprintf(stderr, "%s: ", fontscale_name); + perror("fopen(w)"); + return 0; + } + + while((entry = readdir(dirp)) != NULL) { + int have_face = 0; + char *xlfd_name = NULL; + xlfd = NULL; + + if (xl) { + int dl = strlen (entry->d_name); + if (strcmp (entry->d_name + dl - xl, exclusionSuffix) == 0) + continue; + } + + filename = dsprintf("%s%s", dirname, entry->d_name); + + if(doBitmaps) + rc = bitmapIdentify(filename, &xlfd_name); + else + rc = 0; + + if(rc < 0) + goto done; + + if(rc == 0) { + ftrc = FT_New_Face(ft_library, filename, 0, &face); + if(ftrc) + goto done; + have_face = 1; + + isBitmap = ((face->face_flags & FT_FACE_FLAG_SCALABLE) == 0); + + if(!isBitmap) { + /* Workaround for bitmap-only SFNT fonts */ + if(FT_IS_SFNT(face) && face->num_fixed_sizes > 0 && + strcmp(FT_Get_X11_Font_Format(face), "TrueType") == 0) { + TT_MaxProfile *maxp; + maxp = FT_Get_Sfnt_Table(face, ft_sfnt_maxp); + if(maxp != NULL && maxp->maxContours == 0) + isBitmap = 1; + } + } + + if(isBitmap) { + if(!doBitmaps) + goto done; + } else { + if(!doScalable) + goto done; + } + + if(isBitmap) { + BDF_PropertyRec prop; + rc = FT_Get_BDF_Property(face, "FONT", &prop); + if(rc == 0 && prop.type == BDF_PROPERTY_TYPE_ATOM) { + xlfd_name = malloc(strlen(prop.u.atom) + 1); + if(xlfd_name == NULL) + goto done; + strcpy(xlfd_name, prop.u.atom); + } + } + } + + if(xlfd_name) { + /* We know it's a bitmap font, and we know its XLFD */ + int n = strlen(xlfd_name); + if(reencodeLegacy && + n >= 12 && strcasecmp(xlfd_name + n - 11, "-iso10646-1") == 0) { + char *s; + + s = malloc(n - 10); + memcpy(s, xlfd_name, n - 11); + s[n - 11] = '\0'; + xlfd = listCons(s, xlfd); + } else { + /* Not a reencodable font -- skip all the rest of the loop body */ + putHash(entries, xlfd_name, entry->d_name, filePrio(entry->d_name)); + goto done; + } + } + + if(!have_face) { + ftrc = FT_New_Face(ft_library, filename, 0, &face); + if(ftrc) + goto done; + have_face = 1; + isBitmap = ((face->face_flags & FT_FACE_FLAG_SCALABLE) == 0); + + if(!isBitmap) { + if(face->num_fixed_sizes > 0) { + TT_MaxProfile *maxp; + maxp = FT_Get_Sfnt_Table(face, ft_sfnt_maxp); + if(maxp != NULL && maxp->maxContours == 0) + isBitmap = 1; + } + } + } + + if(xlfd == NULL) + xlfd = makeXLFD(entry->d_name, face, isBitmap); + + found = 0; + + for(lp = xlfd; lp; lp = lp->next) { + char buf[MAXFONTNAMELEN]; + for(encoding = encodings; encoding; encoding = encoding->next) { + if(checkEncoding(face, encoding->value)) { + found = 1; + snprintf(buf, MAXFONTNAMELEN, "%s-%s", + lp->value, encoding->value); + putHash(entries, buf, entry->d_name, filePrio(entry->d_name)); + } + } + for(encoding = extra_encodings; encoding; + encoding = encoding->next) { + if(checkExtraEncoding(face, encoding->value, found)) { + /* Do not set found! */ + snprintf(buf, MAXFONTNAMELEN, "%s-%s", + lp->value, encoding->value); + putHash(entries, buf, entry->d_name, filePrio(entry->d_name)); + } + } + } + done: + if(have_face) { + FT_Done_Face(face); + have_face = 0; + } + deepDestroyList(xlfd); + xlfd = NULL; + free(filename); + } + + closedir(dirp); + n = hashElements(entries); + fprintf(fontscale, "%d\n", n); + array = hashArray(entries, 1); + for(i = 0; i < n; i++) + fprintf(fontscale, "%s %s\n", array[i]->value, array[i]->key); + destroyHashArray(array); + entries = NULL; + if(fontscale_name) { + fclose(fontscale); + free(fontscale_name); + } + + encodings: + encdir = dsprintf("%s%s", dirname, "encodings.dir"); + + if(encdir == NULL) { + perror("encodings"); + exit(1); + } + unlink(encdir); + + if (numEncodings) { + encfile = fopen(encdir, "w"); + if(encfile == NULL) { + perror("open(encodings.dir)"); + exit(1); + } + fprintf(encfile, "%d\n", numEncodings); + for(lp = encodingsToDo; lp; lp = lp->next) { + fprintf(encfile, "%s\n", lp->value); + } + fclose (encfile); + } + + free(dirname); + return 1; +} + +#define CODE_IGNORED(c) ((c) < 0x20 || \ + ((c) >= 0x7F && (c) <= 0xA0) || \ + (c) == 0xAD || (c) == 0xF71B) + +static int +checkEncoding(FT_Face face, char *encoding_name) +{ + FontEncPtr encoding; + FontMapPtr mapping; + int i, j, c, koi8; + char *n; + + encoding = FontEncFind(encoding_name, NULL); + if(!encoding) + return 0; + + /* An encoding is ``small'' if one of the following is true: + - it is linear and has no more than 256 codepoints; or + - it is a matrix encoding and has no more than one column. + + For small encodings using Unicode indices, we require perfect + coverage except for CODE_IGNORED and KOI-8 IBM-PC compatibility. + + For large encodings, we require coverage up to bigEncodingFuzz. + + For encodings using PS names (currently Adobe Standard and + Adobe Symbol only), we require perfect coverage. */ + + + if(FT_Has_PS_Glyph_Names(face)) { + for(mapping = encoding->mappings; mapping; mapping = mapping->next) { + if(mapping->type == FONT_ENCODING_POSTSCRIPT) { + if(encoding->row_size > 0) { + for(i = encoding->first; i < encoding->size; i++) { + for(j = encoding->first_col; + j < encoding->row_size; + j++) { + n = FontEncName((i<<8) | j, mapping); + if(n && FT_Get_Name_Index(face, n) == 0) { + return 0; + } + } + } + return 1; + } else { + for(i = encoding->first; i < encoding->size; i++) { + n = FontEncName(i, mapping); + if(n && FT_Get_Name_Index(face, n) == 0) { + return 0; + } + } + return 1; + } + } + } + } + + for(mapping = encoding->mappings; mapping; mapping = mapping->next) { + if(find_cmap(mapping->type, mapping->pid, mapping->eid, face)) { + int total = 0, failed = 0; + if(encoding->row_size > 0) { + int estimate = + (encoding->size - encoding->first) * + (encoding->row_size - encoding->first_col); + for(i = encoding->first; i < encoding->size; i++) { + for(j = encoding->first_col; + j < encoding->row_size; + j++) { + c = FontEncRecode((i<<8) | j, mapping); + if(CODE_IGNORED(c)) { + continue; + } else { + if(FT_Get_Char_Index(face, c) == 0) { + failed++; + } + total++; + if((encoding->size <= 1 && failed > 0) || + ((float)failed >= bigEncodingFuzz * estimate)) { + return 0; + } + } + } + } + if((float)failed >= total * bigEncodingFuzz) + return 0; + else + return 1; + } else { + int estimate = encoding->size - encoding->first; + /* For the KOI8 encodings, we ignore the lack of + linedrawing and pseudo-math characters */ + if(strncmp(encoding->name, "koi8-", 5) == 0) + koi8 = 1; + else + koi8 = 0; + for(i = encoding->first; i < encoding->size; i++) { + c = FontEncRecode(i, mapping); + if(CODE_IGNORED(c) || + (koi8 && ((c >= 0x2200 && c < 0x2600) || c == 0x00b2))) { + continue; + } else { + if(FT_Get_Char_Index(face, c) == 0) { + failed++; + } + total++; + if((encoding->size <= 256 && failed > 0) || + ((float)failed >= bigEncodingFuzz * estimate)) { + return 0; + } + } + } + if((float)failed >= total * bigEncodingFuzz) + return 0; + else + return 1; + } + } + } + return 0; +} + +static int +find_cmap(int type, int pid, int eid, FT_Face face) +{ + int i, n, rc; + FT_CharMap cmap = NULL; + + n = face->num_charmaps; + + switch(type) { + case FONT_ENCODING_TRUETYPE: /* specific cmap */ + for(i=0; i<n; i++) { + cmap = face->charmaps[i]; + if(cmap->platform_id == pid && cmap->encoding_id == eid) { + rc = FT_Set_Charmap(face, cmap); + if(rc == 0) + return 1; + } + } + break; + case FONT_ENCODING_UNICODE: /* any Unicode cmap */ + /* prefer Microsoft Unicode */ + for(i=0; i<n; i++) { + cmap = face->charmaps[i]; + if(cmap->platform_id == TT_PLATFORM_MICROSOFT && + cmap->encoding_id == TT_MS_ID_UNICODE_CS) { + rc = FT_Set_Charmap(face, cmap); + if(rc == 0) + return 1; + } + } + /* Try Apple Unicode */ + for(i=0; i<n; i++) { + cmap = face->charmaps[i]; + if(cmap->platform_id == TT_PLATFORM_APPLE_UNICODE) { + rc = FT_Set_Charmap(face, cmap); + if(rc == 0) + return 1; + } + } + /* ISO Unicode? */ + for(i=0; i<n; i++) { + cmap = face->charmaps[i]; + if(cmap->platform_id == TT_PLATFORM_ISO) { + rc = FT_Set_Charmap(face, cmap); + if(rc == 0) + return 1; + } + } + break; + default: + return 0; + } + return 0; +} + +static int +checkExtraEncoding(FT_Face face, char *encoding_name, int found) +{ + int c; + + if(strcasecmp(encoding_name, "iso10646-1") == 0) { + if(doISO10646_1_encoding && find_cmap(FONT_ENCODING_UNICODE, -1, -1, face)) { + int found = 0; + /* Export as Unicode if there are at least 15 BMP + characters that are not a space or ignored. */ + for(c = 0x21; c < 0x10000; c++) { + if(CODE_IGNORED(c)) + continue; + if(FT_Get_Char_Index(face, c) > 0) + found++; + if(found >= 15) + return 1; + } + return 0; + } else + return 0; + } else if(strcasecmp(encoding_name, "microsoft-symbol") == 0) { + if(find_cmap(FONT_ENCODING_TRUETYPE, + TT_PLATFORM_MICROSOFT, TT_MS_ID_SYMBOL_CS, + face)) + return 1; + else + return 0; + } else if(strcasecmp(encoding_name, "adobe-fontspecific") == 0) { + if(!found) { + if(FT_Has_PS_Glyph_Names(face)) + return 1; + else + return 0; + } else + return 0; + } else { + fprintf(stderr, "Unknown extra encoding %s\n", encoding_name); + return 0; + } +} + +static char* +notice_foundry(char *notice) +{ + int i; + for(i = 0; i < countof(notice_foundries); i++) + if(notice && strstr(notice, notice_foundries[i][0])) + return notice_foundries[i][1]; + return NULL; +} + +static int +vendor_match(signed char *vendor, char *vendor_string) +{ + /* vendor is not necessarily NUL-terminated. */ + int i, len; + len = strlen(vendor_string); + if(memcmp(vendor, vendor_string, len) != 0) + return 0; + for(i = len; i < 4; i++) + if(vendor[i] != ' ' && vendor[i] != '\0') + return 0; + return 1; +} + +static char* +vendor_foundry(signed char *vendor) +{ + int i; + for(i = 0; i < countof(vendor_foundries); i++) + if(vendor_match(vendor, vendor_foundries[i][0])) + return vendor_foundries[i][1]; + return NULL; +} + +static int +readEncodings(ListPtr encodings, char *dirname) +{ + char *fullname; + DIR *dirp; + struct dirent *file; + char **names, **name; + + if(strlen(dirname) > 1 && dirname[strlen(dirname) - 1] == '/') + dirname[strlen(dirname) - 1] = '\0'; + + dirp = opendir(dirname); + if(dirp == NULL) { + perror("opendir"); + return -1; + } + + while((file = readdir(dirp)) != NULL) { + fullname = dsprintf("%s/%s", dirname, file->d_name); + if(fullname == NULL) { + fprintf(stderr, "Couldn't allocate fullname\n"); + closedir(dirp); + return -1; + } + + names = FontEncIdentify(fullname); + if(!names) + continue; + + for(name = names; *name; name++) { + if(fullname[0] != '/' && !relative) { + char *n; + n = dsprintf("%s%s", encodingPrefix, fullname); + if(n == NULL) { + fprintf(stderr, "Couldn't allocate name\n"); + closedir(dirp); + return -1; + } + encodingsToDo = listConsF(encodingsToDo, "%s %s", *name, n); + free(n); + } else { + encodingsToDo = + listConsF(encodingsToDo, "%s %s", *name, fullname); + } + if(encodingsToDo == NULL) { + fprintf(stderr, "Couldn't allocate encodings\n"); + closedir(dirp); + return -1; + } + } + free(names); /* only the spine */ + } + closedir(dirp); + return 0; +} |