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- /*
- * fonts.c
- * Copyright (C) 1998-2004 A.J. van Os; Released under GNU GPL
- *
- * Description:
- * Functions to deal with fonts (generic)
- */
- #include <ctype.h>
- #include <string.h>
- #include "antiword.h"
- /* Maximum line length in the font file */
- #define FONT_LINE_LENGTH 81
- /* Pitch */
- #define PITCH_UNKNOWN 0
- #define PITCH_FIXED 1
- #define PITCH_VARIABLE 2
- /* Font Family */
- #define FAMILY_UNKNOWN 0
- #define FAMILY_ROMAN 1
- #define FAMILY_SWISS 2
- #define FAMILY_MODERN 3
- #define FAMILY_SCRIPT 4
- #define FAMILY_DECORATIVE 5
- /* Font Translation Table */
- static size_t tFontTableRecords = 0;
- static font_table_type *pFontTable = NULL;
- /*
- * Find the given font in the font table
- *
- * returns the index into the FontTable, -1 if not found
- */
- int
- iGetFontByNumber(UCHAR ucWordFontNumber, USHORT usFontStyle)
- {
- int iIndex;
- for (iIndex = 0; iIndex < (int)tFontTableRecords; iIndex++) {
- if (ucWordFontNumber == pFontTable[iIndex].ucWordFontNumber &&
- usFontStyle == pFontTable[iIndex].usFontStyle &&
- pFontTable[iIndex].szOurFontname[0] != '\0') {
- return iIndex;
- }
- }
- DBG_DEC(ucWordFontNumber);
- DBG_HEX(usFontStyle);
- return -1;
- } /* end of iGetFontByNumber */
- /*
- * szGetOurFontname - Get our font name
- *
- * return our font name from the given index, NULL if not found
- */
- const char *
- szGetOurFontname(int iIndex)
- {
- if (iIndex < 0 || iIndex >= (int)tFontTableRecords) {
- return NULL;
- }
- return pFontTable[iIndex].szOurFontname;
- } /* end of szGetOurFontname */
- /*
- * Find the given font in the font table
- *
- * returns the Word font number, -1 if not found
- */
- int
- iFontname2Fontnumber(const char *szOurFontname, USHORT usFontStyle)
- {
- int iIndex;
- for (iIndex = 0; iIndex < (int)tFontTableRecords; iIndex++) {
- if (pFontTable[iIndex].usFontStyle == usFontStyle &&
- STREQ(pFontTable[iIndex].szOurFontname, szOurFontname)) {
- return (int)pFontTable[iIndex].ucWordFontNumber;
- }
- }
- return -1;
- } /* end of iFontname2Fontnumber */
- /*
- * szGetDefaultFont - get the default font that matches the parameters
- */
- static const char *
- szGetDefaultFont(UCHAR ucFFN, int iEmphasis)
- {
- UCHAR ucPrq, ucFf;
- fail(iEmphasis < 0 || iEmphasis > 3);
- ucPrq = ucFFN & 0x03;
- ucFf = (ucFFN & 0x70) >> 4;
- NO_DBG_DEC(ucPrq);
- NO_DBG_DEC(ucFf);
- if (ucPrq == PITCH_FIXED) {
- /* Set to the default monospaced font */
- switch (iEmphasis) {
- case 1: return FONT_MONOSPACED_BOLD;
- case 2: return FONT_MONOSPACED_ITALIC;
- case 3: return FONT_MONOSPACED_BOLDITALIC;
- default: return FONT_MONOSPACED_PLAIN;
- }
- } else if (ucFf == FAMILY_ROMAN) {
- /* Set to the default serif font */
- switch (iEmphasis) {
- case 1: return FONT_SERIF_BOLD;
- case 2: return FONT_SERIF_ITALIC;
- case 3: return FONT_SERIF_BOLDITALIC;
- default: return FONT_SERIF_PLAIN;
- }
- } else if (ucFf == FAMILY_SWISS) {
- /* Set to the default sans serif font */
- switch (iEmphasis) {
- case 1: return FONT_SANS_SERIF_BOLD;
- case 2: return FONT_SANS_SERIF_ITALIC;
- case 3: return FONT_SANS_SERIF_BOLDITALIC;
- default: return FONT_SANS_SERIF_PLAIN;
- }
- } else {
- /* Set to the default default font */
- switch (iEmphasis) {
- case 1: return FONT_SERIF_BOLD;
- case 2: return FONT_SERIF_ITALIC;
- case 3: return FONT_SERIF_BOLDITALIC;
- default: return FONT_SERIF_PLAIN;
- }
- }
- } /* end of szGetDefaultFont */
- /*
- * See if the fontname from the Word file matches the fontname from the
- * font translation file.
- * If iBytesPerChar is one than aucWord is in ISO-8859-x (Word 2/6/7),
- * if iBytesPerChar is two than aucWord is in Unicode (Word 8/9/10).
- */
- static BOOL
- bFontEqual(const UCHAR *aucWord, const char *szTable, int iBytesPerChar)
- {
- const UCHAR *pucTmp;
- const char *pcTmp;
- fail(aucWord == NULL || szTable == NULL);
- fail(iBytesPerChar != 1 && iBytesPerChar != 2);
- for (pucTmp = aucWord, pcTmp = szTable;
- *pucTmp != 0;
- pucTmp += iBytesPerChar, pcTmp++) {
- if (ulToUpper((ULONG)*pucTmp) !=
- ulToUpper((ULONG)(UCHAR)*pcTmp)) {
- return FALSE;
- }
- }
- return *pcTmp == '\0';
- } /* end of bFontEqual */
- /*
- * vFontname2Table - add fontnames to the font table
- */
- static void
- vFontname2Table(const UCHAR *aucFont, const UCHAR *aucAltFont,
- int iBytesPerChar, int iEmphasis, UCHAR ucFFN,
- const char *szWordFont, const char *szOurFont,
- font_table_type *pFontTableRecord)
- {
- BOOL bMatchFound;
- fail(aucFont == NULL || aucFont[0] == 0);
- fail(aucAltFont != NULL && aucAltFont[0] == 0);
- fail(iBytesPerChar != 1 && iBytesPerChar != 2);
- fail(iEmphasis < 0 || iEmphasis > 3);
- fail(szWordFont == NULL || szWordFont[0] == '\0');
- fail(szOurFont == NULL || szOurFont[0] == '\0');
- fail(pFontTableRecord == NULL);
- bMatchFound = bFontEqual(aucFont, szWordFont, iBytesPerChar);
- if (!bMatchFound && aucAltFont != NULL) {
- bMatchFound = bFontEqual(aucAltFont, szWordFont, iBytesPerChar);
- }
- if (!bMatchFound &&
- pFontTableRecord->szWordFontname[0] == '\0' &&
- szWordFont[0] == '*' &&
- szWordFont[1] == '\0') {
- /*
- * szWordFont contains a "*", so szOurFont will contain the
- * "default default" font. See if we can do better than that.
- */
- szOurFont = szGetDefaultFont(ucFFN, iEmphasis);
- bMatchFound = TRUE;
- }
- if (bMatchFound) {
- switch (iBytesPerChar) {
- case 1:
- (void)strncpy(pFontTableRecord->szWordFontname,
- (const char *)aucFont,
- sizeof(pFontTableRecord->szWordFontname) - 1);
- break;
- case 2:
- (void)unincpy(pFontTableRecord->szWordFontname,
- aucFont,
- sizeof(pFontTableRecord->szWordFontname) - 1);
- break;
- default:
- DBG_FIXME();
- pFontTableRecord->szWordFontname[0] = '\0';
- break;
- }
- pFontTableRecord->szWordFontname[
- sizeof(pFontTableRecord->szWordFontname) - 1] = '\0';
- (void)strncpy(pFontTableRecord->szOurFontname, szOurFont,
- sizeof(pFontTableRecord->szOurFontname) - 1);
- pFontTableRecord->szOurFontname[
- sizeof(pFontTableRecord->szOurFontname) - 1] = '\0';
- NO_DBG_MSG(pFontTableRecord->szWordFontname);
- NO_DBG_MSG(pFontTableRecord->szOurFontname);
- pFontTableRecord->ucFFN = ucFFN;
- pFontTableRecord->ucEmphasis = (UCHAR)iEmphasis;
- }
- } /* end of vFontname2Table */
- /*
- * vCreateFontTable - Create and initialize the internal font table
- */
- static void
- vCreateFontTable(void)
- {
- font_table_type *pTmp;
- int iNbr;
- if (tFontTableRecords == 0) {
- pFontTable = xfree(pFontTable);
- return;
- }
- /* Create the font table */
- pFontTable = xcalloc(tFontTableRecords, sizeof(*pFontTable));
- /* Initialize the font table */
- for (iNbr = 0, pTmp = pFontTable;
- pTmp < pFontTable + tFontTableRecords;
- iNbr++, pTmp++) {
- pTmp->ucWordFontNumber = (UCHAR)(iNbr / 4);
- switch (iNbr % 4) {
- case 0:
- pTmp->usFontStyle = FONT_REGULAR;
- break;
- case 1:
- pTmp->usFontStyle = FONT_BOLD;
- break;
- case 2:
- pTmp->usFontStyle = FONT_ITALIC;
- break;
- case 3:
- pTmp->usFontStyle = FONT_BOLD|FONT_ITALIC;
- break;
- default:
- DBG_DEC(iNbr);
- break;
- }
- }
- } /* end of vCreateFontTable */
- /*
- * vMinimizeFontTable - make the font table as small as possible
- */
- static void
- vMinimizeFontTable(void)
- {
- font_block_type tFontNext;
- const style_block_type *pStyle;
- const font_block_type *pFont;
- font_table_type *pTmp;
- int iUnUsed;
- BOOL bMustAddTableFont;
- NO_DBG_MSG("vMinimizeFontTable");
- if (tFontTableRecords == 0) {
- pFontTable = xfree(pFontTable);
- return;
- }
- /* See if we must add a font for our tables */
- bMustAddTableFont = TRUE;
- #if 0
- DBG_MSG("Before");
- DBG_DEC(tFontTableRecords);
- for (pTmp = pFontTable;
- pTmp < pFontTable + tFontTableRecords;
- pTmp++) {
- DBG_DEC(pTmp->ucWordFontNumber);
- DBG_HEX(pTmp->usFontStyle);
- DBG_MSG(pTmp->szWordFontname);
- DBG_MSG(pTmp->szOurFontname);
- }
- #endif /* DEBUG */
- /* See which fonts/styles we really need */
- /* Default font/style is by definition in use */
- pFontTable[0].ucInUse = 1;
- /* Make InUse 1 for all the fonts/styles that WILL be used */
- pFont = NULL;
- while((pFont = pGetNextFontInfoListItem(pFont)) != NULL) {
- pTmp = pFontTable + 4 * (int)pFont->ucFontNumber;
- if (bIsBold(pFont->usFontStyle)) {
- pTmp++;
- }
- if (bIsItalic(pFont->usFontStyle)) {
- pTmp += 2;
- }
- if (pTmp >= pFontTable + tFontTableRecords) {
- continue;
- }
- if (STREQ(pTmp->szOurFontname, TABLE_FONT)) {
- /* The table font is already present */
- bMustAddTableFont = FALSE;
- }
- pTmp->ucInUse = 1;
- }
- /* Make InUse 1 for all the fonts/styles that MIGHT be used */
- pStyle = NULL;
- while((pStyle = pGetNextStyleInfoListItem(pStyle)) != NULL) {
- vFillFontFromStylesheet(pStyle->usIstdNext, &tFontNext);
- vCorrectFontValues(&tFontNext);
- pTmp = pFontTable + 4 * (int)tFontNext.ucFontNumber;
- if (bIsBold(tFontNext.usFontStyle)) {
- pTmp++;
- }
- if (bIsItalic(tFontNext.usFontStyle)) {
- pTmp += 2;
- }
- if (pTmp >= pFontTable + tFontTableRecords) {
- continue;
- }
- if (STREQ(pTmp->szOurFontname, TABLE_FONT)) {
- /* The table font is already present */
- bMustAddTableFont = FALSE;
- }
- pTmp->ucInUse = 1;
- }
- /* Remove the unused font entries from the font table */
- iUnUsed = 0;
- for (pTmp = pFontTable;
- pTmp < pFontTable + tFontTableRecords;
- pTmp++) {
- if (pTmp->ucInUse == 0) {
- iUnUsed++;
- continue;
- }
- if (iUnUsed > 0) {
- fail(pTmp - iUnUsed <= pFontTable);
- *(pTmp - iUnUsed) = *pTmp;
- }
- }
- fail(iUnUsed < 0);
- fail(tFontTableRecords <= (size_t)iUnUsed);
- tFontTableRecords -= (size_t)iUnUsed;
- if (bMustAddTableFont) {
- pTmp = pFontTable + tFontTableRecords;
- fail(pTmp <= pFontTable);
- pTmp->ucWordFontNumber = (pTmp - 1)->ucWordFontNumber + 1;
- pTmp->usFontStyle = FONT_REGULAR;
- pTmp->ucInUse = 1;
- strcpy(pTmp->szWordFontname, "Extra Table Font");
- strcpy(pTmp->szOurFontname, TABLE_FONT);
- tFontTableRecords++;
- iUnUsed--;
- }
- if (iUnUsed > 0) {
- /* Resize the font table */
- pFontTable = xrealloc(pFontTable,
- tFontTableRecords * sizeof(*pFontTable));
- }
- #if defined(DEBUG)
- DBG_MSG("After");
- DBG_DEC(tFontTableRecords);
- for (pTmp = pFontTable;
- pTmp < pFontTable + tFontTableRecords;
- pTmp++) {
- DBG_DEC(pTmp->ucWordFontNumber);
- DBG_HEX(pTmp->usFontStyle);
- DBG_MSG(pTmp->szWordFontname);
- DBG_MSG(pTmp->szOurFontname);
- }
- #endif /* DEBUG */
- } /* end of vMinimizeFontTable */
- /*
- * bReadFontFile - read and check a line from the font translation file
- *
- * returns TRUE when a correct line has been read, otherwise FALSE
- */
- static BOOL
- bReadFontFile(FILE *pFontTableFile, char *szWordFont,
- int *piItalic, int *piBold, char *szOurFont, int *piSpecial)
- {
- char *pcTmp;
- int iFields;
- char szLine[FONT_LINE_LENGTH];
- fail(szWordFont == NULL || szOurFont == NULL);
- fail(piItalic == NULL || piBold == NULL || piSpecial == NULL);
- while (fgets(szLine, (int)sizeof(szLine), pFontTableFile) != NULL) {
- if (szLine[0] == '#' ||
- szLine[0] == '\n' ||
- szLine[0] == '\r') {
- continue;
- }
- iFields = sscanf(szLine, "%[^,],%d,%d,%1s%[^,],%d",
- szWordFont, piItalic, piBold,
- &szOurFont[0], &szOurFont[1], piSpecial);
- if (iFields != 6) {
- pcTmp = strchr(szLine, '\r');
- if (pcTmp != NULL) {
- *pcTmp = '\0';
- }
- pcTmp = strchr(szLine, '\n');
- if (pcTmp != NULL) {
- *pcTmp = '\0';
- }
- DBG_DEC(iFields);
- werr(0, "Syntax error in: '%s'", szLine);
- continue;
- }
- if (strlen(szWordFont) >=
- sizeof(pFontTable[0].szWordFontname)) {
- werr(0, "Word fontname too long: '%s'", szWordFont);
- continue;
- }
- if (strlen(szOurFont) >=
- sizeof(pFontTable[0].szOurFontname)) {
- werr(0, "Local fontname too long: '%s'", szOurFont);
- continue;
- }
- /* The current line passed all the tests */
- return TRUE;
- }
- return FALSE;
- } /* end of bReadFontFile */
- /*
- * vCreate0FontTable - create a font table from Word for DOS
- */
- void
- vCreate0FontTable(void)
- {
- FILE *pFontTableFile;
- font_table_type *pTmp;
- UCHAR *aucFont;
- int iBold, iItalic, iSpecial, iEmphasis, iFtc;
- UCHAR ucPrq, ucFf, ucFFN;
- char szWordFont[FONT_LINE_LENGTH], szOurFont[FONT_LINE_LENGTH];
- tFontTableRecords = 0;
- pFontTable = xfree(pFontTable);
- pFontTableFile = pOpenFontTableFile();
- if (pFontTableFile == NULL) {
- /* No translation table file, no translation table */
- return;
- }
- /* Get the maximum number of entries in the font table */
- tFontTableRecords = 64;
- tFontTableRecords *= 4; /* Plain, Bold, Italic and Bold/italic */
- tFontTableRecords++; /* One extra for the table-font */
- vCreateFontTable();
- /* Read the font translation file */
- iItalic = 0;
- iBold = 0;
- iSpecial = 0;
- while (bReadFontFile(pFontTableFile, szWordFont,
- &iItalic, &iBold, szOurFont, &iSpecial)) {
- iEmphasis = 0;
- if (iBold != 0) {
- iEmphasis++;
- }
- if (iItalic != 0) {
- iEmphasis += 2;
- }
- for (iFtc = 0, pTmp = pFontTable + iEmphasis;
- pTmp < pFontTable + tFontTableRecords;
- iFtc++, pTmp += 4) {
- if (iFtc >= 16 && iFtc <= 55) {
- ucPrq = PITCH_VARIABLE;
- ucFf = FAMILY_ROMAN;
- aucFont = (UCHAR *)"Times";
- } else {
- ucPrq = PITCH_FIXED;
- ucFf = FAMILY_MODERN;
- aucFont = (UCHAR *)"Courier";
- }
- ucFFN = (ucFf << 4) | ucPrq;
- vFontname2Table(aucFont, NULL, 1, iEmphasis,
- ucFFN, szWordFont, szOurFont, pTmp);
- }
- }
- (void)fclose(pFontTableFile);
- vMinimizeFontTable();
- } /* end of vCreate0FontTable */
- /*
- * vCreate2FontTable - create a font table from WinWord 1/2
- */
- void
- vCreate2FontTable(FILE *pFile, int iWordVersion, const UCHAR *aucHeader)
- {
- FILE *pFontTableFile;
- font_table_type *pTmp;
- UCHAR *aucFont;
- UCHAR *aucBuffer;
- ULONG ulBeginFontInfo;
- size_t tFontInfoLen;
- int iPos, iOff, iRecLen;
- int iBold, iItalic, iSpecial, iEmphasis;
- UCHAR ucFFN;
- char szWordFont[FONT_LINE_LENGTH], szOurFont[FONT_LINE_LENGTH];
- fail(pFile == NULL || aucHeader == NULL);
- fail(iWordVersion != 1 && iWordVersion != 2);
- tFontTableRecords = 0;
- pFontTable = xfree(pFontTable);
- pFontTableFile = pOpenFontTableFile();
- if (pFontTableFile == NULL) {
- /* No translation table file, no translation table */
- return;
- }
- ulBeginFontInfo = ulGetLong(0xb2, aucHeader); /* fcSttbfffn */
- DBG_HEX(ulBeginFontInfo);
- tFontInfoLen = (size_t)usGetWord(0xb6, aucHeader); /* cbSttbfffn */
- DBG_DEC(tFontInfoLen);
- if (ulBeginFontInfo > (ULONG)LONG_MAX || tFontInfoLen == 0) {
- /* Don't ask me why this is needed */
- DBG_HEX_C(tFontInfoLen != 0, ulBeginFontInfo);
- (void)fclose(pFontTableFile);
- return;
- }
- aucBuffer = xmalloc(tFontInfoLen);
- if (!bReadBytes(aucBuffer, tFontInfoLen, ulBeginFontInfo, pFile)) {
- aucBuffer = xfree(aucBuffer);
- (void)fclose(pFontTableFile);
- return;
- }
- NO_DBG_PRINT_BLOCK(aucBuffer, tFontInfoLen);
- DBG_DEC(usGetWord(0, aucBuffer));
- /* Compute the maximum number of entries in the font table */
- if (iWordVersion == 1) {
- fail(tFontInfoLen < 2);
- /* WinWord 1 has three implicit fonts */
- tFontTableRecords = 3;
- iOff = 2;
- } else {
- fail(tFontInfoLen < 6);
- /* WinWord 2 and up have no implicit fonts */
- tFontTableRecords = 0;
- iOff = 3;
- }
- iPos = 2;
- while (iPos + iOff < (int)tFontInfoLen) {
- iRecLen = (int)ucGetByte(iPos, aucBuffer);
- NO_DBG_DEC(iRecLen);
- NO_DBG_MSG(aucBuffer + iPos + iOff);
- iPos += iRecLen + 1;
- tFontTableRecords++;
- }
- tFontTableRecords *= 4; /* Plain, Bold, Italic and Bold/Italic */
- tFontTableRecords++; /* One extra for the table-font */
- vCreateFontTable();
- /* Add the tree implicit fonts (in four variations) */
- if (iWordVersion == 1) {
- fail(tFontTableRecords < 13);
- vFontname2Table((UCHAR *)"Tms Rmn", NULL, 1, 0,
- (UCHAR)((FAMILY_ROMAN << 4) | PITCH_VARIABLE),
- "*", "Times-Roman", pFontTable + 0);
- vFontname2Table((UCHAR *)"Tms Rmn", NULL, 1, 1,
- (UCHAR)((FAMILY_ROMAN << 4) | PITCH_VARIABLE),
- "*", "Times-Bold", pFontTable + 1);
- vFontname2Table((UCHAR *)"Tms Rmn", NULL, 1, 2,
- (UCHAR)((FAMILY_ROMAN << 4) | PITCH_VARIABLE),
- "*", "Times-Italic", pFontTable + 2);
- vFontname2Table((UCHAR *)"Tms Rmn", NULL, 1, 3,
- (UCHAR)((FAMILY_ROMAN << 4) | PITCH_VARIABLE),
- "*", "Times-BoldItalic", pFontTable + 3);
- vFontname2Table((UCHAR *)"Symbol", NULL, 1, 0,
- (UCHAR)((FAMILY_ROMAN << 4) | PITCH_VARIABLE),
- "*", "Times-Roman", pFontTable + 4);
- vFontname2Table((UCHAR *)"Symbol", NULL, 1, 1,
- (UCHAR)((FAMILY_ROMAN << 4) | PITCH_VARIABLE),
- "*", "Times-Bold", pFontTable + 5);
- vFontname2Table((UCHAR *)"Symbol", NULL, 1, 2,
- (UCHAR)((FAMILY_ROMAN << 4) | PITCH_VARIABLE),
- "*", "Times-Italic", pFontTable + 6);
- vFontname2Table((UCHAR *)"Symbol", NULL, 1, 3,
- (UCHAR)((FAMILY_ROMAN << 4) | PITCH_VARIABLE),
- "*", "Times-BoldItalic", pFontTable + 7);
- vFontname2Table((UCHAR *)"Helv", NULL, 1, 0,
- (UCHAR)((FAMILY_SWISS << 4) | PITCH_VARIABLE),
- "*", "Helvetica", pFontTable + 8);
- vFontname2Table((UCHAR *)"Helv", NULL, 1, 1,
- (UCHAR)((FAMILY_SWISS << 4) | PITCH_VARIABLE),
- "*", "Helvetica-Bold", pFontTable + 9);
- vFontname2Table((UCHAR *)"Helv", NULL, 1, 2,
- (UCHAR)((FAMILY_SWISS << 4) | PITCH_VARIABLE),
- "*", "Helvetica-Oblique", pFontTable + 10);
- vFontname2Table((UCHAR *)"Helv", NULL, 1, 3,
- (UCHAR)((FAMILY_SWISS << 4) | PITCH_VARIABLE),
- "*", "Helvetica-BoldOblique", pFontTable + 11);
- }
- /* Read the font translation file */
- iItalic = 0;
- iBold = 0;
- iSpecial = 0;
- while (bReadFontFile(pFontTableFile, szWordFont,
- &iItalic, &iBold, szOurFont, &iSpecial)) {
- iEmphasis = 0;
- if (iBold != 0) {
- iEmphasis++;
- }
- if (iItalic != 0) {
- iEmphasis += 2;
- }
- pTmp = pFontTable + iEmphasis;
- iPos = 2;
- while (iPos + iOff < (int)tFontInfoLen) {
- iRecLen = (int)ucGetByte(iPos, aucBuffer);
- ucFFN = ucGetByte(iPos + 1, aucBuffer);
- aucFont = aucBuffer + iPos + iOff;
- vFontname2Table(aucFont, NULL, 1, iEmphasis,
- ucFFN, szWordFont, szOurFont, pTmp);
- pTmp += 4;
- iPos += iRecLen + 1;
- }
- }
- (void)fclose(pFontTableFile);
- aucBuffer = xfree(aucBuffer);
- vMinimizeFontTable();
- } /* end of vCreate2FontTable */
- /*
- * vCreate6FontTable - create a font table from Word 6/7
- */
- void
- vCreate6FontTable(FILE *pFile, ULONG ulStartBlock,
- const ULONG *aulBBD, size_t tBBDLen,
- const UCHAR *aucHeader)
- {
- FILE *pFontTableFile;
- font_table_type *pTmp;
- UCHAR *aucFont, *aucAltFont;
- UCHAR *aucBuffer;
- ULONG ulBeginFontInfo;
- size_t tFontInfoLen;
- int iPos, iRecLen, iOffsetAltName;
- int iBold, iItalic, iSpecial, iEmphasis;
- UCHAR ucFFN;
- char szWordFont[FONT_LINE_LENGTH], szOurFont[FONT_LINE_LENGTH];
- fail(pFile == NULL || aucHeader == NULL);
- fail(ulStartBlock > MAX_BLOCKNUMBER && ulStartBlock != END_OF_CHAIN);
- fail(aulBBD == NULL);
- tFontTableRecords = 0;
- pFontTable = xfree(pFontTable);
- pFontTableFile = pOpenFontTableFile();
- if (pFontTableFile == NULL) {
- /* No translation table file, no translation table */
- return;
- }
- ulBeginFontInfo = ulGetLong(0xd0, aucHeader); /* fcSttbfffn */
- DBG_HEX(ulBeginFontInfo);
- tFontInfoLen = (size_t)ulGetLong(0xd4, aucHeader); /* lcbSttbfffn */
- DBG_DEC(tFontInfoLen);
- fail(tFontInfoLen < 9);
- aucBuffer = xmalloc(tFontInfoLen);
- if (!bReadBuffer(pFile, ulStartBlock,
- aulBBD, tBBDLen, BIG_BLOCK_SIZE,
- aucBuffer, ulBeginFontInfo, tFontInfoLen)) {
- aucBuffer = xfree(aucBuffer);
- (void)fclose(pFontTableFile);
- return;
- }
- DBG_DEC(usGetWord(0, aucBuffer));
- /* Compute the maximum number of entries in the font table */
- tFontTableRecords = 0;
- iPos = 2;
- while (iPos + 6 < (int)tFontInfoLen) {
- iRecLen = (int)ucGetByte(iPos, aucBuffer);
- NO_DBG_DEC(iRecLen);
- iOffsetAltName = (int)ucGetByte(iPos + 5, aucBuffer);
- NO_DBG_MSG(aucBuffer + iPos + 6);
- NO_DBG_MSG_C(iOffsetAltName > 0,
- aucBuffer + iPos + 6 + iOffsetAltName);
- iPos += iRecLen + 1;
- tFontTableRecords++;
- }
- tFontTableRecords *= 4; /* Plain, Bold, Italic and Bold/italic */
- tFontTableRecords++; /* One extra for the table-font */
- vCreateFontTable();
- /* Read the font translation file */
- iItalic = 0;
- iBold = 0;
- iSpecial = 0;
- while (bReadFontFile(pFontTableFile, szWordFont,
- &iItalic, &iBold, szOurFont, &iSpecial)) {
- iEmphasis = 0;
- if (iBold != 0) {
- iEmphasis++;
- }
- if (iItalic != 0) {
- iEmphasis += 2;
- }
- pTmp = pFontTable + iEmphasis;
- iPos = 2;
- while (iPos + 6 < (int)tFontInfoLen) {
- iRecLen = (int)ucGetByte(iPos, aucBuffer);
- ucFFN = ucGetByte(iPos + 1, aucBuffer);
- aucFont = aucBuffer + iPos + 6;
- iOffsetAltName = (int)ucGetByte(iPos + 5, aucBuffer);
- if (iOffsetAltName <= 0) {
- aucAltFont = NULL;
- } else {
- aucAltFont = aucFont + iOffsetAltName;
- NO_DBG_MSG(aucFont);
- NO_DBG_MSG(aucAltFont);
- }
- vFontname2Table(aucFont, aucAltFont, 1, iEmphasis,
- ucFFN, szWordFont, szOurFont, pTmp);
- pTmp += 4;
- iPos += iRecLen + 1;
- }
- }
- (void)fclose(pFontTableFile);
- aucBuffer = xfree(aucBuffer);
- vMinimizeFontTable();
- } /* end of vCreate6FontTable */
- /*
- * vCreate8FontTable - create a font table from Word 8/9/10
- */
- void
- vCreate8FontTable(FILE *pFile, const pps_info_type *pPPS,
- const ULONG *aulBBD, size_t tBBDLen,
- const ULONG *aulSBD, size_t tSBDLen,
- const UCHAR *aucHeader)
- {
- FILE *pFontTableFile;
- font_table_type *pTmp;
- const ULONG *aulBlockDepot;
- UCHAR *aucFont, *aucAltFont;
- UCHAR *aucBuffer;
- ULONG ulBeginFontInfo;
- size_t tFontInfoLen, tBlockDepotLen, tBlockSize;
- int iPos, iRecLen, iOffsetAltName;
- int iBold, iItalic, iSpecial, iEmphasis;
- UCHAR ucFFN;
- char szWordFont[FONT_LINE_LENGTH], szOurFont[FONT_LINE_LENGTH];
- fail(pFile == NULL || pPPS == NULL || aucHeader == NULL);
- fail(aulBBD == NULL || aulSBD == NULL);
- tFontTableRecords = 0;
- pFontTable = xfree(pFontTable);
- pFontTableFile = pOpenFontTableFile();
- if (pFontTableFile == NULL) {
- /* No translation table file, no translation table */
- return;
- }
- ulBeginFontInfo = ulGetLong(0x112, aucHeader); /* fcSttbfffn */
- DBG_HEX(ulBeginFontInfo);
- tFontInfoLen = (size_t)ulGetLong(0x116, aucHeader); /* lcbSttbfffn */
- DBG_DEC(tFontInfoLen);
- fail(tFontInfoLen < 46);
- DBG_DEC(pPPS->tTable.ulSB);
- DBG_HEX(pPPS->tTable.ulSize);
- if (pPPS->tTable.ulSize == 0) {
- DBG_MSG("No fontname table");
- (void)fclose(pFontTableFile);
- return;
- }
- if (pPPS->tTable.ulSize < MIN_SIZE_FOR_BBD_USE) {
- /* Use the Small Block Depot */
- aulBlockDepot = aulSBD;
- tBlockDepotLen = tSBDLen;
- tBlockSize = SMALL_BLOCK_SIZE;
- } else {
- /* Use the Big Block Depot */
- aulBlockDepot = aulBBD;
- tBlockDepotLen = tBBDLen;
- tBlockSize = BIG_BLOCK_SIZE;
- }
- aucBuffer = xmalloc(tFontInfoLen);
- if (!bReadBuffer(pFile, pPPS->tTable.ulSB,
- aulBlockDepot, tBlockDepotLen, tBlockSize,
- aucBuffer, ulBeginFontInfo, tFontInfoLen)) {
- aucBuffer = xfree(aucBuffer);
- (void)fclose(pFontTableFile);
- return;
- }
- NO_DBG_PRINT_BLOCK(aucBuffer, tFontInfoLen);
- /* Get the maximum number of entries in the font table */
- tFontTableRecords = (size_t)usGetWord(0, aucBuffer);
- tFontTableRecords *= 4; /* Plain, Bold, Italic and Bold/italic */
- tFontTableRecords++; /* One extra for the table-font */
- vCreateFontTable();
- /* Read the font translation file */
- iItalic = 0;
- iBold = 0;
- iSpecial = 0;
- while (bReadFontFile(pFontTableFile, szWordFont,
- &iItalic, &iBold, szOurFont, &iSpecial)) {
- iEmphasis = 0;
- if (iBold != 0) {
- iEmphasis++;
- }
- if (iItalic != 0) {
- iEmphasis += 2;
- }
- pTmp = pFontTable + iEmphasis;
- iPos = 4;
- while (iPos + 40 < (int)tFontInfoLen) {
- iRecLen = (int)ucGetByte(iPos, aucBuffer);
- ucFFN = ucGetByte(iPos + 1, aucBuffer);
- aucFont = aucBuffer + iPos + 40;
- iOffsetAltName = (int)unilen(aucFont);
- if (iPos + 40 + iOffsetAltName + 4 >= iRecLen) {
- aucAltFont = NULL;
- } else {
- aucAltFont = aucFont + iOffsetAltName + 2;
- NO_DBG_UNICODE(aucFont);
- NO_DBG_UNICODE(aucAltFont);
- }
- vFontname2Table(aucFont, aucAltFont, 2, iEmphasis,
- ucFFN, szWordFont, szOurFont, pTmp);
- pTmp += 4;
- iPos += iRecLen + 1;
- }
- }
- (void)fclose(pFontTableFile);
- aucBuffer = xfree(aucBuffer);
- vMinimizeFontTable();
- } /* end of vCreate8FontTable */
- /*
- * Destroy the internal font table by freeing its memory
- */
- void
- vDestroyFontTable(void)
- {
- DBG_MSG("vDestroyFontTable");
- tFontTableRecords = 0;
- pFontTable = xfree(pFontTable);
- } /* end of vDestroyFontTable */
- /*
- * pGetNextFontTableRecord
- *
- * returns the next record in the table or NULL if there is no next record
- */
- const font_table_type *
- pGetNextFontTableRecord(const font_table_type *pRecordCurr)
- {
- size_t tIndexCurr;
- if (pRecordCurr == NULL) {
- /* No current record, so start with the first one */
- return &pFontTable[0];
- }
- if (pRecordCurr < pFontTable ||
- pRecordCurr >= pFontTable + tFontTableRecords) {
- /* Not a pointer in the array */
- DBG_HEX(pRecordCurr);
- DBG_HEX(pFontTable);
- return NULL;
- }
- tIndexCurr = (size_t)(pRecordCurr - pFontTable);
- if (tIndexCurr + 1 < tFontTableRecords) {
- /* There is a next record, so return it */
- return &pFontTable[tIndexCurr + 1];
- }
- /* There is no next record */
- return NULL;
- } /* end of pGetNextFontTableRecord */
- /*
- * tGetFontTableLength
- *
- * returns the number of records in the internal font table
- */
- size_t
- tGetFontTableLength(void)
- {
- return tFontTableRecords;
- } /* end of tGetFontTableLength */
- #if !defined(__riscos)
- /*
- * vCorrect4PDF - only include PDF default fonts
- */
- static void
- vCorrect4PDF(void)
- {
- font_table_type *pTmp;
- const char *szOurFont;
- for (pTmp = pFontTable; pTmp < pFontTable + tFontTableRecords; pTmp++) {
- if (STRCEQ(pTmp->szOurFontname, FONT_MONOSPACED_PLAIN) ||
- STRCEQ(pTmp->szOurFontname, FONT_MONOSPACED_BOLD) ||
- STRCEQ(pTmp->szOurFontname, FONT_MONOSPACED_ITALIC) ||
- STRCEQ(pTmp->szOurFontname, FONT_MONOSPACED_BOLDITALIC) ||
- STRCEQ(pTmp->szOurFontname, FONT_SERIF_PLAIN) ||
- STRCEQ(pTmp->szOurFontname, FONT_SERIF_BOLD) ||
- STRCEQ(pTmp->szOurFontname, FONT_SERIF_ITALIC) ||
- STRCEQ(pTmp->szOurFontname, FONT_SERIF_BOLDITALIC) ||
- STRCEQ(pTmp->szOurFontname, FONT_SANS_SERIF_PLAIN) ||
- STRCEQ(pTmp->szOurFontname, FONT_SANS_SERIF_BOLD) ||
- STRCEQ(pTmp->szOurFontname, FONT_SANS_SERIF_ITALIC) ||
- STRCEQ(pTmp->szOurFontname, FONT_SANS_SERIF_BOLDITALIC)) {
- /* Already a default font */
- continue;
- }
- szOurFont =
- szGetDefaultFont(pTmp->ucFFN, (int)pTmp->ucEmphasis);
- (void)strncpy(pTmp->szOurFontname, szOurFont,
- sizeof(pTmp->szOurFontname) - 1);
- pTmp->szOurFontname[sizeof(pTmp->szOurFontname) - 1] = '\0';
- }
- } /* end of vCorrect4PDF */
- /*
- * vCorrect4CyrPS - only include monospaced fonts
- */
- static void
- vCorrect4CyrPS(void)
- {
- font_table_type *pTmp;
- const char *szOurFont;
- UCHAR ucFFN;
- ucFFN = (FAMILY_UNKNOWN << 4) | PITCH_FIXED;
- for (pTmp = pFontTable; pTmp < pFontTable + tFontTableRecords; pTmp++) {
- szOurFont = szGetDefaultFont(ucFFN, (int)pTmp->ucEmphasis);
- (void)strncpy(pTmp->szOurFontname, szOurFont,
- sizeof(pTmp->szOurFontname) - 1);
- pTmp->szOurFontname[sizeof(pTmp->szOurFontname) - 1] = '\0';
- }
- } /* end of vCorrect4CyrPS */
- #endif /* __riscos */
- /*
- * vCorrectFontTable - correct the font table in special cases
- */
- void
- vCorrectFontTable(conversion_type eConversionType, encoding_type eEncoding)
- {
- #if !defined(__riscos)
- if (eConversionType == conversion_pdf) {
- vCorrect4PDF();
- }
- if (eConversionType == conversion_ps &&
- eEncoding == encoding_cyrillic) {
- vCorrect4CyrPS();
- }
- #endif /* __riscos */
- } /* end of vCorrectFontTable */
- /*
- * lComputeSpaceWidth - compute the width of a space character
- *
- * Returns the space width in millipoints
- */
- long
- lComputeSpaceWidth(drawfile_fontref tFontRef, USHORT usFontSize)
- {
- char szSpace[] = " ";
- fail(usFontSize < MIN_FONT_SIZE || usFontSize > MAX_FONT_SIZE);
- return lComputeStringWidth(szSpace, 1, tFontRef, usFontSize);
- } /* end of lComputeSpaceWidth */
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