1 /*******************************************************************************
2 * Adobe Font Metric (AFM) file parsing functions for Wine PostScript driver.
3 * See http://partners.adobe.com/asn/developer/pdfs/tn/5004.AFM_Spec.pdf.
5 * Copyright 2001 Ian Pilcher
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 * NOTE: Many of the functions in this file can return either fatal errors
22 * (memory allocation failure) or non-fatal errors (unusable AFM file).
23 * Fatal errors are indicated by returning FALSE; see individual function
24 * descriptions for how they indicate non-fatal errors.
29 #include "wine/port.h"
40 #include <limits.h> /* INT_MIN */
43 #include <float.h> /* FLT_MAX */
52 #include "wine/debug.h"
54 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
56 /*******************************************************************************
59 * Reads a line from a text file into the buffer and trims trailing whitespace.
60 * Can handle DOS and Unix text files, including weird DOS EOF. Returns FALSE
61 * for unexpected I/O errors; otherwise returns TRUE and sets *p_result to
62 * either the number of characters in the returned string or one of the
65 * 0: Blank (or all whitespace) line. This is just a special case
66 * of the normal behavior.
68 * EOF: End of file has been reached.
70 * INT_MIN: Buffer overflow. Returned string is truncated (duh!) and
71 * trailing whitespace is *not* trimmed. Remaining text in
72 * line is discarded. (I.e. the file pointer is positioned at
73 * the beginning of the next line.)
76 static BOOL ReadLine(FILE *file, CHAR buffer[], INT bufsize, INT *p_result)
81 if (fgets(buffer, bufsize, file) == NULL)
83 if (feof(file) == 0) /* EOF or error? */
85 ERR("%s\n", strerror(errno));
93 cp = strchr(buffer, '\n');
98 if (i == bufsize - 1) /* max possible; was line truncated? */
101 i = fgetc(file); /* find the newline or EOF */
102 while (i != '\n' && i != EOF);
106 if (feof(file) == 0) /* EOF or error? */
108 ERR("%s\n", strerror(errno));
112 WARN("No newline at EOF\n");
118 else /* no newline and not truncated */
120 if (strcmp(buffer, "\x1a") == 0) /* test for DOS EOF */
126 WARN("No newline at EOF\n");
127 cp = buffer + i; /* points to \0 where \n should have been */
133 *cp = '\0'; /* trim trailing whitespace */
135 break; /* don't underflow buffer */
138 while (isspace(*cp));
140 *p_result = strlen(buffer);
144 /*******************************************************************************
147 * Finds a line in the file that begins with the given string. Returns FALSE
148 * for unexpected I/O errors; returns an empty (zero character) string if the
149 * requested line is not found.
151 * NOTE: The file pointer *MUST* be positioned at the beginning of a line when
152 * this function is called. Otherwise, an infinite loop can result.
155 static BOOL FindLine(FILE *file, CHAR buffer[], INT bufsize, LPCSTR key)
157 INT len = strlen(key);
158 LONG start = ftell(file);
165 ok = ReadLine(file, buffer, bufsize, &result);
169 if (result > 0 && strncmp(buffer, key, len) == 0)
176 else if (result == INT_MIN)
178 WARN("Line beginning '%32s...' is too long; ignoring\n", buffer);
181 while (ftell(file) != start);
183 WARN("Couldn't find line '%s...' in AFM file\n", key);
188 /*******************************************************************************
191 * Utility function to convert double to float while checking for overflow.
192 * Will also catch strtod overflows, since HUGE_VAL > FLT_MAX (at least on
196 static inline BOOL DoubleToFloat(float *p_f, double d)
198 if (d > (double)FLT_MAX || d < -(double)FLT_MAX)
205 /*******************************************************************************
208 * Utility function to add or subtract 0.5 before converting to integer type.
211 static inline float Round(float f)
213 return (f >= 0.0) ? (f + 0.5) : (f - 0.5);
216 /*******************************************************************************
219 * Finds and parses a line of the form '<key> <value>', where value is a
220 * number. Sets *p_found to FALSE if a corresponding line cannot be found, or
221 * it cannot be parsed; also sets *p_ret to 0.0, so calling functions can just
222 * skip the check of *p_found if the item is not required.
225 static BOOL ReadFloat(FILE *file, CHAR buffer[], INT bufsize, LPCSTR key,
226 FLOAT *p_ret, BOOL *p_found)
231 if (FindLine(file, buffer, bufsize, key) == FALSE)
234 if (buffer[0] == '\0') /* line not found */
241 cp = buffer + strlen(key); /* first char after key */
243 d = strtod(cp, &end_ptr);
245 if (end_ptr == cp || errno != 0 || DoubleToFloat(p_ret, d) == FALSE)
247 WARN("Error parsing line '%s'\n", buffer);
257 /*******************************************************************************
260 * See description of ReadFloat.
263 static BOOL ReadInt(FILE *file, CHAR buffer[], INT bufsize, LPCSTR key,
264 INT *p_ret, BOOL *p_found)
269 retval = ReadFloat(file, buffer, bufsize, key, &f, p_found);
270 if (retval == FALSE || *p_found == FALSE)
278 if (f > (FLOAT)INT_MAX || f < (FLOAT)INT_MIN)
280 WARN("Error parsing line '%s'\n", buffer);
290 /*******************************************************************************
293 * Returns FALSE on I/O error or memory allocation failure; sets *p_str to NULL
294 * if line cannot be found or can't be parsed.
297 static BOOL ReadString(FILE *file, CHAR buffer[], INT bufsize, LPCSTR key,
302 if (FindLine(file, buffer, bufsize, key) == FALSE)
305 if (buffer[0] == '\0')
311 cp = buffer + strlen(key); /* first char after key */
318 while (isspace(*cp)) /* find first non-whitespace char */
321 *p_str = HeapAlloc(PSDRV_Heap, 0, strlen(cp) + 1);
329 /*******************************************************************************
332 * Similar to ReadFloat above.
335 static BOOL ReadBBox(FILE *file, CHAR buffer[], INT bufsize, AFM *afm,
341 if (FindLine(file, buffer, bufsize, "FontBBox") == FALSE)
344 if (buffer[0] == '\0')
352 cp = buffer + sizeof("FontBBox");
353 d = strtod(cp, &end_ptr);
354 if (end_ptr == cp || errno != 0 ||
355 DoubleToFloat(&(afm->FontBBox.llx), d) == FALSE)
359 d = strtod(cp, &end_ptr);
360 if (end_ptr == cp || errno != 0 ||
361 DoubleToFloat(&(afm->FontBBox.lly), d) == FALSE)
365 d = strtod(cp, &end_ptr);
366 if (end_ptr == cp || errno != 0
367 || DoubleToFloat(&(afm->FontBBox.urx), d) == FALSE)
371 d = strtod(cp, &end_ptr);
372 if (end_ptr == cp || errno != 0
373 || DoubleToFloat(&(afm->FontBBox.ury), d) == FALSE)
380 WARN("Error parsing line '%s'\n", buffer);
385 /*******************************************************************************
388 * Finds and parses the 'Weight' line of an AFM file. Only tries to determine
389 * if a font is bold (FW_BOLD) or not (FW_NORMAL) -- ignoring all those cute
390 * little FW_* typedefs in the Win32 doc. AFAICT, this is what the Windows
391 * PostScript driver does.
394 static const struct { LPCSTR keyword; INT weight; } afm_weights[] =
396 { "REGULAR", FW_NORMAL },
397 { "NORMAL", FW_NORMAL },
398 { "ROMAN", FW_NORMAL },
400 { "BOOK", FW_NORMAL },
401 { "MEDIUM", FW_NORMAL },
402 { "LIGHT", FW_NORMAL },
403 { "BLACK", FW_BOLD },
404 { "HEAVY", FW_BOLD },
406 { "ULTRA", FW_BOLD },
407 { "SUPER" , FW_BOLD },
411 static BOOL ReadWeight(FILE *file, CHAR buffer[], INT bufsize, AFM *afm,
418 if (ReadString(file, buffer, bufsize, "Weight", &sz) == FALSE)
427 for (cp = sz; *cp != '\0'; ++cp)
430 for (i = 0; afm_weights[i].keyword != NULL; ++i)
432 if (strstr(sz, afm_weights[i].keyword) != NULL)
434 afm->Weight = afm_weights[i].weight;
436 HeapFree(PSDRV_Heap, 0, sz);
441 WARN("Unknown weight '%s'; treating as Roman\n", sz);
443 afm->Weight = FW_NORMAL;
445 HeapFree(PSDRV_Heap, 0, sz);
449 /*******************************************************************************
453 static BOOL ReadFixedPitch(FILE *file, CHAR buffer[], INT bufsize, AFM *afm,
458 if (ReadString(file, buffer, bufsize, "IsFixedPitch", &sz) == FALSE)
467 if (strcasecmp(sz, "false") == 0)
469 afm->IsFixedPitch = FALSE;
471 HeapFree(PSDRV_Heap, 0, sz);
475 if (strcasecmp(sz, "true") == 0)
477 afm->IsFixedPitch = TRUE;
479 HeapFree(PSDRV_Heap, 0, sz);
483 WARN("Can't parse line '%s'\n", buffer);
486 HeapFree(PSDRV_Heap, 0, sz);
490 /*******************************************************************************
493 * Allocates space for the AFM on the driver heap and reads basic font metrics.
494 * Returns FALSE for memory allocation failure; sets *p_afm to NULL if AFM file
498 static BOOL ReadFontMetrics(FILE *file, CHAR buffer[], INT bufsize, AFM **p_afm)
503 *p_afm = afm = HeapAlloc(PSDRV_Heap, 0, sizeof(*afm));
507 retval = ReadWeight(file, buffer, bufsize, afm, &found);
508 if (retval == FALSE || found == FALSE)
511 retval = ReadFloat(file, buffer, bufsize, "ItalicAngle",
512 &(afm->ItalicAngle), &found);
513 if (retval == FALSE || found == FALSE)
516 retval = ReadFixedPitch(file, buffer, bufsize, afm, &found);
517 if (retval == FALSE || found == FALSE)
520 retval = ReadBBox(file, buffer, bufsize, afm, &found);
521 if (retval == FALSE || found == FALSE)
524 retval = ReadFloat(file, buffer, bufsize, "UnderlinePosition",
525 &(afm->UnderlinePosition), &found);
526 if (retval == FALSE || found == FALSE)
529 retval = ReadFloat(file, buffer, bufsize, "UnderlineThickness",
530 &(afm->UnderlineThickness), &found);
531 if (retval == FALSE || found == FALSE)
534 retval = ReadFloat(file, buffer, bufsize, "Ascender", /* optional */
535 &(afm->Ascender), &found);
539 retval = ReadFloat(file, buffer, bufsize, "Descender", /* optional */
540 &(afm->Descender), &found);
544 afm->WinMetrics.usUnitsPerEm = 1000;
545 afm->WinMetrics.sTypoAscender = (SHORT)Round(afm->Ascender);
546 afm->WinMetrics.sTypoDescender = (SHORT)Round(afm->Descender);
548 if (afm->WinMetrics.sTypoAscender == 0)
549 afm->WinMetrics.sTypoAscender = (SHORT)Round(afm->FontBBox.ury);
551 if (afm->WinMetrics.sTypoDescender == 0)
552 afm->WinMetrics.sTypoDescender = (SHORT)Round(afm->FontBBox.lly);
554 afm->WinMetrics.sTypoLineGap = 1200 -
555 (afm->WinMetrics.sTypoAscender - afm->WinMetrics.sTypoDescender);
556 if (afm->WinMetrics.sTypoLineGap < 0)
557 afm->WinMetrics.sTypoLineGap = 0;
561 cleanup_afm: /* handle fatal or non-fatal errors */
562 HeapFree(PSDRV_Heap, 0, afm);
567 /*******************************************************************************
570 * Fatal error: return FALSE (none defined)
572 * Non-fatal error: leave metrics->C set to INT_MAX
575 static BOOL ParseC(LPSTR sz, OLD_AFMMETRICS *metrics)
590 l = strtol(cp, &end_ptr, base);
591 if (end_ptr == cp || errno != 0 || l > INT_MAX || l < INT_MIN)
593 WARN("Error parsing character code '%s'\n", sz);
601 /*******************************************************************************
604 * Fatal error: return FALSE (none defined)
606 * Non-fatal error: leave metrics->WX set to FLT_MAX
609 static BOOL ParseW(LPSTR sz, OLD_AFMMETRICS *metrics)
630 d = strtod(cp, &end_ptr);
631 if (end_ptr == cp || errno != 0 ||
632 DoubleToFloat(&(metrics->WX), d) == FALSE)
638 /* Make sure that Y component of vector is zero */
640 d = strtod(cp, &end_ptr); /* errno == 0 */
641 if (end_ptr == cp || errno != 0 || d != 0.0)
643 metrics->WX = FLT_MAX;
650 WARN("Error parsing character width '%s'\n", sz);
654 /*******************************************************************************
658 * Fatal error: return FALSE (none defined)
660 * Non-fatal error: leave metrics->B.ury set to FLT_MAX
663 static BOOL ParseB(LPSTR sz, OLD_AFMMETRICS *metrics)
671 d = strtod(cp, &end_ptr);
672 if (end_ptr == cp || errno != 0 ||
673 DoubleToFloat(&(metrics->B.llx), d) == FALSE)
677 d = strtod(cp, &end_ptr);
678 if (end_ptr == cp || errno != 0 ||
679 DoubleToFloat(&(metrics->B.lly), d) == FALSE)
683 d = strtod(cp, &end_ptr);
684 if (end_ptr == cp || errno != 0 ||
685 DoubleToFloat(&(metrics->B.urx), d) == FALSE)
689 d = strtod(cp, &end_ptr);
690 if (end_ptr == cp || errno != 0 ||
691 DoubleToFloat(&(metrics->B.ury), d) == FALSE)
697 WARN("Error parsing glyph bounding box '%s'\n", sz);
701 /*******************************************************************************
704 * Fatal error: return FALSE (PSDRV_GlyphName failure)
706 * Non-fatal error: leave metrics-> set to NULL
709 static BOOL ParseN(LPSTR sz, OLD_AFMMETRICS *metrics)
711 CHAR save, *cp, *end_ptr;
720 while (*end_ptr != '\0' && !isspace(*end_ptr))
725 WARN("Error parsing glyph name '%s'\n", sz);
732 metrics->N = PSDRV_GlyphName(cp);
733 if (metrics->N == NULL)
740 /*******************************************************************************
743 * Parses the metrics line for a single glyph in an AFM file. Returns FALSE on
744 * fatal error; sets *metrics to 'badmetrics' on non-fatal error.
747 static const OLD_AFMMETRICS badmetrics =
753 { FLT_MAX, FLT_MAX, FLT_MAX, FLT_MAX }, /* B */
757 static BOOL ParseCharMetrics(LPSTR buffer, INT len, OLD_AFMMETRICS *metrics)
761 *metrics = badmetrics;
770 case 'C': if (ParseC(cp, metrics) == FALSE)
774 case 'W': if (ParseW(cp, metrics) == FALSE)
778 case 'N': if (ParseN(cp, metrics) == FALSE)
782 case 'B': if (ParseB(cp, metrics) == FALSE)
787 cp = strchr(cp, ';');
790 WARN("No terminating semicolon\n");
797 if (metrics->C == INT_MAX || metrics->WX == FLT_MAX || metrics->N == NULL ||
798 metrics->B.ury == FLT_MAX)
800 *metrics = badmetrics;
807 /*******************************************************************************
810 * Checks whether Unicode value is part of Microsoft code page 1252
813 static const LONG ansiChars[21] =
815 0x0152, 0x0153, 0x0160, 0x0161, 0x0178, 0x017d, 0x017e, 0x0192, 0x02c6,
816 0x02c9, 0x02dc, 0x03bc, 0x2013, 0x2014, 0x2026, 0x2030, 0x2039, 0x203a,
817 0x20ac, 0x2122, 0x2219
820 static int cmpUV(const void *a, const void *b)
822 return (int)(*((const LONG *)a) - *((const LONG *)b));
825 static inline BOOL IsWinANSI(LONG uv)
827 if ((0x0020 <= uv && uv <= 0x007e) || (0x00a0 <= uv && uv <= 0x00ff) ||
828 (0x2018 <= uv && uv <= 0x201a) || (0x201c <= uv && uv <= 0x201e) ||
829 (0x2020 <= uv && uv <= 0x2022))
832 if (bsearch(&uv, ansiChars, 21, sizeof(INT), cmpUV) != NULL)
838 /*******************************************************************************
841 * Determines Unicode value (UV) for each glyph, based on font encoding.
843 * FontSpecific: Usable encodings (0x20 - 0xff) are mapped into the
844 * Unicode private use range U+F020 - U+F0FF.
846 * other: UV determined by glyph name, based on Adobe Glyph List.
848 * Also does some font metric calculations that require UVs to be known.
851 static int UnicodeGlyphByNameIndex(const void *a, const void *b)
853 return ((const UNICODEGLYPH *)a)->name->index -
854 ((const UNICODEGLYPH *)b)->name->index;
857 static VOID Unicodify(AFM *afm, OLD_AFMMETRICS *metrics)
861 if (strcmp(afm->EncodingScheme, "FontSpecific") == 0)
863 for (i = 0; i < afm->NumofMetrics; ++i)
865 if (metrics[i].C >= 0x20 && metrics[i].C <= 0xff)
867 metrics[i].UV = metrics[i].C | 0xf000L;
871 TRACE("Unencoded glyph '%s'\n", metrics[i].N->sz);
876 afm->WinMetrics.sAscender = (SHORT)Round(afm->FontBBox.ury);
877 afm->WinMetrics.sDescender = (SHORT)Round(afm->FontBBox.lly);
879 else /* non-FontSpecific encoding */
881 UNICODEGLYPH ug, *p_ug;
883 PSDRV_IndexGlyphList(); /* for fast searching of glyph names */
885 afm->WinMetrics.sAscender = afm->WinMetrics.sDescender = 0;
887 for (i = 0; i < afm->NumofMetrics; ++i)
889 ug.name = metrics[i].N;
890 p_ug = bsearch(&ug, PSDRV_AGLbyName, PSDRV_AGLbyNameSize,
891 sizeof(ug), UnicodeGlyphByNameIndex);
894 TRACE("Glyph '%s' not in Adobe Glyph List\n", ug.name->sz);
899 metrics[i].UV = p_ug->UV;
901 if (IsWinANSI(p_ug->UV))
903 SHORT ury = (SHORT)Round(metrics[i].B.ury);
904 SHORT lly = (SHORT)Round(metrics[i].B.lly);
906 if (ury > afm->WinMetrics.sAscender)
907 afm->WinMetrics.sAscender = ury;
908 if (lly < afm->WinMetrics.sDescender)
909 afm->WinMetrics.sDescender = lly;
914 if (afm->WinMetrics.sAscender == 0)
915 afm->WinMetrics.sAscender = (SHORT)Round(afm->FontBBox.ury);
916 if (afm->WinMetrics.sDescender == 0)
917 afm->WinMetrics.sDescender = (SHORT)Round(afm->FontBBox.lly);
920 afm->WinMetrics.sLineGap =
921 1150 - (afm->WinMetrics.sAscender - afm->WinMetrics.sDescender);
922 if (afm->WinMetrics.sLineGap < 0)
923 afm->WinMetrics.sLineGap = 0;
925 afm->WinMetrics.usWinAscent = (afm->WinMetrics.sAscender > 0) ?
926 afm->WinMetrics.sAscender : 0;
927 afm->WinMetrics.usWinDescent = (afm->WinMetrics.sDescender < 0) ?
928 -(afm->WinMetrics.sDescender) : 0;
931 /*******************************************************************************
934 * Reads metrics for all glyphs. *p_metrics will be NULL on non-fatal error.
937 static int OldAFMMetricsByUV(const void *a, const void *b)
939 return ((const OLD_AFMMETRICS *)a)->UV - ((const OLD_AFMMETRICS *)b)->UV;
942 static BOOL ReadCharMetrics(FILE *file, CHAR buffer[], INT bufsize, AFM *afm,
943 AFMMETRICS **p_metrics)
946 OLD_AFMMETRICS *old_metrics, *encoded_metrics;
950 retval = ReadInt(file, buffer, bufsize, "StartCharMetrics",
951 &(afm->NumofMetrics), &found);
952 if (retval == FALSE || found == FALSE)
958 old_metrics = HeapAlloc(PSDRV_Heap, 0,
959 afm->NumofMetrics * sizeof(*old_metrics));
960 if (old_metrics == NULL)
963 for (i = 0; i < afm->NumofMetrics; ++i)
965 retval = ReadLine(file, buffer, bufsize, &len);
967 goto cleanup_old_metrics;
971 retval = ParseCharMetrics(buffer, len, old_metrics + i);
972 if (retval == FALSE || old_metrics[i].C == INT_MAX)
973 goto cleanup_old_metrics;
983 case INT_MIN: WARN("Ignoring long line '%32s...'\n", buffer);
984 goto cleanup_old_metrics; /* retval == TRUE */
986 case EOF: WARN("Unexpected EOF\n");
987 goto cleanup_old_metrics; /* retval == TRUE */
991 Unicodify(afm, old_metrics); /* wait until glyph names have been read */
993 qsort(old_metrics, afm->NumofMetrics, sizeof(*old_metrics),
996 for (i = 0; old_metrics[i].UV == -1; ++i); /* count unencoded glyphs */
998 afm->NumofMetrics -= i;
999 encoded_metrics = old_metrics + i;
1001 afm->Metrics = *p_metrics = metrics = HeapAlloc(PSDRV_Heap, 0,
1002 afm->NumofMetrics * sizeof(*metrics));
1003 if (afm->Metrics == NULL)
1004 goto cleanup_old_metrics; /* retval == TRUE */
1006 for (i = 0; i < afm->NumofMetrics; ++i, ++metrics, ++encoded_metrics)
1008 metrics->C = encoded_metrics->C;
1009 metrics->UV = encoded_metrics->UV;
1010 metrics->WX = encoded_metrics->WX;
1011 metrics->N = encoded_metrics->N;
1014 HeapFree(PSDRV_Heap, 0, old_metrics);
1016 afm->WinMetrics.sAvgCharWidth = PSDRV_CalcAvgCharWidth(afm);
1020 cleanup_old_metrics: /* handle fatal or non-fatal errors */
1021 HeapFree(PSDRV_Heap, 0, old_metrics);
1026 /*******************************************************************************
1029 * Builds the AFM for a PostScript font and adds it to the driver font list.
1030 * Returns FALSE only on an unexpected error (memory allocation or I/O error).
1033 static BOOL BuildAFM(FILE *file)
1035 CHAR buffer[258]; /* allow for <cr>, <lf>, and <nul> */
1037 AFMMETRICS *metrics;
1038 LPSTR font_name, full_name, family_name, encoding_scheme;
1041 retval = ReadFontMetrics(file, buffer, sizeof(buffer), &afm);
1042 if (retval == FALSE || afm == NULL)
1045 retval = ReadString(file, buffer, sizeof(buffer), "FontName", &font_name);
1046 if (retval == FALSE || font_name == NULL)
1049 retval = ReadString(file, buffer, sizeof(buffer), "FullName", &full_name);
1050 if (retval == FALSE || full_name == NULL)
1051 goto cleanup_font_name;
1053 retval = ReadString(file, buffer, sizeof(buffer), "FamilyName",
1055 if (retval == FALSE || family_name == NULL)
1056 goto cleanup_full_name;
1058 retval = ReadString(file, buffer, sizeof(buffer), "EncodingScheme",
1060 if (retval == FALSE || encoding_scheme == NULL)
1061 goto cleanup_family_name;
1063 afm->FontName = font_name;
1064 afm->FullName = full_name;
1065 afm->FamilyName = family_name;
1066 afm->EncodingScheme = encoding_scheme;
1068 retval = ReadCharMetrics(file, buffer, sizeof(buffer), afm, &metrics);
1069 if (retval == FALSE || metrics == FALSE)
1070 goto cleanup_encoding_scheme;
1072 retval = PSDRV_AddAFMtoList(&PSDRV_AFMFontList, afm, &added);
1073 if (retval == FALSE || added == FALSE)
1074 goto cleanup_encoding_scheme;
1078 /* clean up after fatal or non-fatal errors */
1080 cleanup_encoding_scheme:
1081 HeapFree(PSDRV_Heap, 0, encoding_scheme);
1082 cleanup_family_name:
1083 HeapFree(PSDRV_Heap, 0, family_name);
1085 HeapFree(PSDRV_Heap, 0, full_name);
1087 HeapFree(PSDRV_Heap, 0, font_name);
1089 HeapFree(PSDRV_Heap, 0, afm);
1094 /*******************************************************************************
1097 * Reads font metrics from Type 1 AFM file. Only returns FALSE for
1098 * unexpected errors (memory allocation or I/O).
1101 static BOOL ReadAFMFile(LPCSTR filename)
1106 TRACE("%s\n", filename);
1108 f = fopen(filename, "r");
1111 WARN("%s: %s\n", filename, strerror(errno));
1115 retval = BuildAFM(f);
1121 /*******************************************************************************
1124 * Reads all Type 1 AFM files in a directory.
1127 static BOOL ReadAFMDir(LPCSTR dirname)
1129 struct dirent *dent;
1133 dir = opendir(dirname);
1136 WARN("%s: %s\n", dirname, strerror(errno));
1140 while ((dent = readdir(dir)) != NULL)
1142 CHAR *file_extension = strchr(dent->d_name, '.');
1145 if (file_extension == NULL || strcasecmp(file_extension, ".afm") != 0)
1148 fn_len = snprintf(filename, 256, "%s/%s", dirname, dent->d_name);
1149 if (fn_len < 0 || fn_len > sizeof(filename) - 1)
1151 WARN("Path '%s/%s' is too long\n", dirname, dent->d_name);
1155 if (ReadAFMFile(filename) == FALSE)
1166 /*******************************************************************************
1167 * PSDRV_GetType1Metrics
1169 * Reads font metrics from Type 1 AFM font files in directories listed in the
1170 * [afmdirs] section of the Wine configuration file.
1172 * If this function fails (returns FALSE), the driver will fail to initialize
1173 * and the driver heap will be destroyed, so it's not necessary to HeapFree
1174 * everything in that event.
1177 BOOL PSDRV_GetType1Metrics(void)
1179 static const WCHAR pathW[] = {'A','F','M','P','a','t','h',0};
1185 /* @@ Wine registry key: HKCU\Software\Wine\Fonts */
1186 if (RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Fonts", &hkey) != ERROR_SUCCESS)
1189 if (RegQueryValueExW( hkey, pathW, NULL, NULL, NULL, &len ) == ERROR_SUCCESS)
1191 len += sizeof(WCHAR);
1192 valueW = HeapAlloc( PSDRV_Heap, 0, len );
1193 if (RegQueryValueExW( hkey, pathW, NULL, NULL, (LPBYTE)valueW, &len ) == ERROR_SUCCESS)
1195 len = WideCharToMultiByte( CP_UNIXCP, 0, valueW, -1, NULL, 0, NULL, NULL );
1196 valueA = HeapAlloc( PSDRV_Heap, 0, len );
1197 WideCharToMultiByte( CP_UNIXCP, 0, valueW, -1, valueA, len, NULL, NULL );
1198 TRACE( "got AFM font path %s\n", debugstr_a(valueA) );
1202 LPSTR next = strchr( ptr, ':' );
1203 if (next) *next++ = 0;
1204 if (!ReadAFMDir( ptr ))
1211 HeapFree( PSDRV_Heap, 0, valueA );
1213 HeapFree( PSDRV_Heap, 0, valueW );