/* * GDI font objects * * Copyright 1993 Alexandre Julliard */ static char Copyright[] = "Copyright Alexandre Julliard, 1993"; #include #include #include #include #include "user.h" #include "gdi.h" #define MAX_FONTS 256 static LPLOGFONT lpLogFontList[MAX_FONTS] = { NULL }; /*********************************************************************** * FONT_MatchFont * * Find a X font matching the logical font. */ static XFontStruct * FONT_MatchFont( LOGFONT * font ) { char pattern[100]; char *family, *weight, *charset; char **names; char slant, spacing; int width, height, count; XFontStruct * fontStruct; weight = (font->lfWeight > 550) ? "bold" : "medium"; slant = font->lfItalic ? 'i' : 'r'; height = font->lfHeight * 10; width = font->lfWidth * 10; spacing = (font->lfPitchAndFamily & FIXED_PITCH) ? 'm' : (font->lfPitchAndFamily & VARIABLE_PITCH) ? 'p' : '*'; charset = (font->lfCharSet == ANSI_CHARSET) ? "iso8859-1" : "*"; family = font->lfFaceName; if (!*family) switch(font->lfPitchAndFamily & 0xf0) { case FF_ROMAN: family = "times"; break; case FF_SWISS: family = "helvetica"; break; case FF_MODERN: family = "courier"; break; case FF_SCRIPT: family = "*"; break; case FF_DECORATIVE: family = "*"; break; default: family = "*"; break; } else AnsiLower(family); while (TRUE) { /* Width==0 seems not to be a valid wildcard on SGI's, using * instead */ if ( width == 0 ) sprintf( pattern, "-*-%s-%s-%c-normal--*-%d-*-*-%c-*-%s", family, weight, slant, height, spacing, charset); else sprintf( pattern, "-*-%s-%s-%c-normal--*-%d-*-*-%c-%d-%s", family, weight, slant, height, spacing, width, charset); #ifdef DEBUG_FONT printf( "FONT_MatchFont: '%s'\n", pattern ); #endif names = XListFonts( XT_display, pattern, 1, &count ); if (count > 0) break; height -= 10; if (height < 10) { #ifdef DEBUG_FONT printf( " No matching font found\n" ); #endif return NULL; } } #ifdef DEBUG_FONT printf( " Found '%s'\n", *names ); #endif fontStruct = XLoadQueryFont( XT_display, *names ); XFreeFontNames( names ); return fontStruct; } /*********************************************************************** * FONT_GetMetrics */ void FONT_GetMetrics( LOGFONT * logfont, XFontStruct * xfont, TEXTMETRIC * metrics ) { int average, i; unsigned long prop; metrics->tmAscent = xfont->ascent; metrics->tmDescent = xfont->descent; metrics->tmHeight = xfont->ascent + xfont->descent; metrics->tmInternalLeading = 0; if (XGetFontProperty( xfont, XA_X_HEIGHT, &prop )) metrics->tmInternalLeading = xfont->ascent - (short)prop; metrics->tmExternalLeading = 0; metrics->tmMaxCharWidth = xfont->max_bounds.width; metrics->tmWeight = logfont->lfWeight; metrics->tmItalic = logfont->lfItalic; metrics->tmUnderlined = logfont->lfUnderline; metrics->tmStruckOut = logfont->lfStrikeOut; metrics->tmFirstChar = xfont->min_char_or_byte2; metrics->tmLastChar = xfont->max_char_or_byte2; metrics->tmDefaultChar = xfont->default_char; metrics->tmBreakChar = ' '; metrics->tmPitchAndFamily = logfont->lfPitchAndFamily; metrics->tmCharSet = logfont->lfCharSet; metrics->tmOverhang = 0; metrics->tmDigitizedAspectX = 1; metrics->tmDigitizedAspectY = 1; if (!xfont->per_char) average = metrics->tmMaxCharWidth; else { XCharStruct * charPtr = xfont->per_char; average = 0; for (i = metrics->tmFirstChar; i <= metrics->tmLastChar; i++) { average += charPtr->width; charPtr++; } average /= metrics->tmLastChar - metrics->tmFirstChar + 1; } metrics->tmAveCharWidth = average; } /*********************************************************************** * CreateFontIndirect (GDI.57) */ HFONT CreateFontIndirect( LOGFONT * font ) { FONTOBJ * fontPtr; HFONT hfont = GDI_AllocObject( sizeof(FONTOBJ), FONT_MAGIC ); if (!hfont) return 0; fontPtr = (FONTOBJ *) GDI_HEAP_ADDR( hfont ); memcpy( &fontPtr->logfont, font, sizeof(LOGFONT) ); #ifdef DEBUG_FONT printf("CreateFontIndirect(%08X); return %04X !\n", font, hfont); #endif return hfont; } /*********************************************************************** * CreateFont (GDI.56) */ HFONT CreateFont( int height, int width, int esc, int orient, int weight, BYTE italic, BYTE underline, BYTE strikeout, BYTE charset, BYTE outpres, BYTE clippres, BYTE quality, BYTE pitch, LPSTR name ) { LOGFONT logfont = { height, width, esc, orient, weight, italic, underline, strikeout, charset, outpres, clippres, quality, pitch, }; strncpy( logfont.lfFaceName, name, LF_FACESIZE ); return CreateFontIndirect( &logfont ); } /*********************************************************************** * FONT_GetObject */ int FONT_GetObject( FONTOBJ * font, int count, LPSTR buffer ) { if (count > sizeof(LOGFONT)) count = sizeof(LOGFONT); memcpy( buffer, &font->logfont, count ); return count; } /*********************************************************************** * FONT_SelectObject */ HFONT FONT_SelectObject( DC * dc, HFONT hfont, FONTOBJ * font ) { static X_PHYSFONT stockFonts[LAST_STOCK_FONT-FIRST_STOCK_FONT+1]; X_PHYSFONT * stockPtr; HFONT prevHandle = dc->w.hFont; XFontStruct * fontStruct; #ifdef DEBUG_FONT printf("FONT_SelectObject(%04X, %04X, %08X); !\n", dc, hfont, font); #endif /* Load font if necessary */ if (!font) { HFONT hnewfont; hnewfont = CreateFont(10, 7, 0, 0, FW_DONTCARE, FALSE, FALSE, FALSE, DEFAULT_CHARSET, 0, 0, DEFAULT_QUALITY, FF_DONTCARE, "*" ); font = (FONTOBJ *) GDI_HEAP_ADDR( hnewfont ); } if ((hfont >= FIRST_STOCK_FONT) && (hfont <= LAST_STOCK_FONT)) stockPtr = &stockFonts[hfont - FIRST_STOCK_FONT]; else stockPtr = NULL; if (!stockPtr || !stockPtr->fstruct) { fontStruct = FONT_MatchFont( &font->logfont ); } else { fontStruct = stockPtr->fstruct; #ifdef DEBUG_FONT printf( "FONT_SelectObject: Loaded font from cache %x %p\n", hfont, fontStruct ); #endif } if (!fontStruct) return 0; /* Free previous font */ if ((prevHandle < FIRST_STOCK_FONT) || (prevHandle > LAST_STOCK_FONT)) { if (dc->u.x.font.fstruct) XFreeFont( XT_display, dc->u.x.font.fstruct ); } /* Store font */ dc->w.hFont = hfont; if (stockPtr) { if (!stockPtr->fstruct) { stockPtr->fstruct = fontStruct; FONT_GetMetrics( &font->logfont, fontStruct, &stockPtr->metrics ); } memcpy( &dc->u.x.font, stockPtr, sizeof(*stockPtr) ); } else { dc->u.x.font.fstruct = fontStruct; FONT_GetMetrics( &font->logfont, fontStruct, &dc->u.x.font.metrics ); } return prevHandle; } /*********************************************************************** * GetTextCharacterExtra (GDI.89) */ short GetTextCharacterExtra( HDC hdc ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return 0; return abs( (dc->w.charExtra * dc->w.WndExtX + dc->w.VportExtX / 2) / dc->w.VportExtX ); } /*********************************************************************** * SetTextCharacterExtra (GDI.8) */ short SetTextCharacterExtra( HDC hdc, short extra ) { short prev; DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return 0; extra = (extra * dc->w.VportExtX + dc->w.WndExtX / 2) / dc->w.WndExtX; prev = dc->w.charExtra; dc->w.charExtra = abs(extra); return (prev * dc->w.WndExtX + dc->w.VportExtX / 2) / dc->w.VportExtX; } /*********************************************************************** * SetTextJustification (GDI.10) */ short SetTextJustification( HDC hdc, short extra, short breaks ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return 0; extra = abs((extra * dc->w.VportExtX + dc->w.WndExtX / 2) / dc->w.WndExtX); if (!extra) breaks = 0; dc->w.breakTotalExtra = extra; dc->w.breakCount = breaks; if (breaks) { dc->w.breakExtra = extra / breaks; dc->w.breakRem = extra - (dc->w.breakCount * dc->w.breakExtra); } else { dc->w.breakExtra = 0; dc->w.breakRem = 0; } return 1; } /*********************************************************************** * GetTextExtent (GDI.91) */ DWORD GetTextExtent( HDC hdc, LPSTR str, short count ) { SIZE size; if (!GetTextExtentPoint( hdc, str, count, &size )) return 0; return size.cx | (size.cy << 16); } /*********************************************************************** * GetTextExtentPoint (GDI.471) */ BOOL GetTextExtentPoint( HDC hdc, LPSTR str, short count, LPSIZE size ) { int dir, ascent, descent; XCharStruct info; DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return FALSE; XTextExtents( dc->u.x.font.fstruct, str, count, &dir, &ascent, &descent, &info ); size->cx = abs((info.width + dc->w.breakRem + count * dc->w.charExtra) * dc->w.WndExtX / dc->w.VportExtX); size->cy = abs((dc->u.x.font.fstruct->ascent+dc->u.x.font.fstruct->descent) * dc->w.WndExtY / dc->w.VportExtY); #ifdef DEBUG_FONT printf( "GetTextExtentPoint(%d '%s' %d %p): returning %d,%d\n", hdc, str, count, size, size->cx, size->cy ); #endif return TRUE; } /*********************************************************************** * GetTextMetrics (GDI.93) */ BOOL GetTextMetrics( HDC hdc, LPTEXTMETRIC metrics ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return FALSE; memcpy( metrics, &dc->u.x.font.metrics, sizeof(*metrics) ); metrics->tmAscent = abs( metrics->tmAscent * dc->w.WndExtY / dc->w.VportExtY ); metrics->tmDescent = abs( metrics->tmDescent * dc->w.WndExtY / dc->w.VportExtY ); metrics->tmHeight = metrics->tmAscent + metrics->tmDescent; metrics->tmInternalLeading = abs( metrics->tmInternalLeading * dc->w.WndExtY / dc->w.VportExtY ); metrics->tmExternalLeading = abs( metrics->tmExternalLeading * dc->w.WndExtY / dc->w.VportExtY ); metrics->tmMaxCharWidth = abs( metrics->tmMaxCharWidth * dc->w.WndExtX / dc->w.VportExtX ); metrics->tmAveCharWidth = abs( metrics->tmAveCharWidth * dc->w.WndExtX / dc->w.VportExtX ); return TRUE; } /*********************************************************************** * SetMapperFlags (GDI.349) */ DWORD SetMapperFlags(HDC hDC, DWORD dwFlag) { printf("SetmapperFlags(%04X, %08X) // Empty Stub !\n", hDC, dwFlag); return 0L; } /***********************************************************************/ #define CI_NONEXISTCHAR(cs) (((cs)->width == 0) && \ (((cs)->rbearing|(cs)->lbearing| \ (cs)->ascent|(cs)->descent) == 0)) /* * CI_GET_CHAR_INFO - return the charinfo struct for the indicated 8bit * character. If the character is in the column and exists, then return the * appropriate metrics (note that fonts with common per-character metrics will * return min_bounds). If none of these hold true, try again with the default * char. */ #define CI_GET_CHAR_INFO(fs,col,def,cs) \ { \ cs = def; \ if (col >= fs->min_char_or_byte2 && col <= fs->max_char_or_byte2) { \ if (fs->per_char == NULL) { \ cs = &fs->min_bounds; \ } else { \ cs = &fs->per_char[(col - fs->min_char_or_byte2)]; \ if (CI_NONEXISTCHAR(cs)) cs = def; \ } \ } \ } #define CI_GET_DEFAULT_INFO(fs,cs) \ CI_GET_CHAR_INFO(fs, fs->default_char, NULL, cs) /*********************************************************************** * GetCharWidth (GDI.350) */ BOOL GetCharWidth(HDC hdc, WORD wFirstChar, WORD wLastChar, LPINT lpBuffer) { int i, j; XFontStruct *xfont; XCharStruct *cs, *def; DC *dc = (DC *)GDI_GetObjPtr(hdc, DC_MAGIC); if (!dc) return FALSE; xfont = dc->u.x.font.fstruct; /* fixed font? */ if (xfont->per_char == NULL) { for (i = wFirstChar, j = 0; i <= wLastChar; i++, j++) *(lpBuffer + j) = xfont->max_bounds.width; return TRUE; } CI_GET_DEFAULT_INFO(xfont, def); for (i = wFirstChar, j = 0; i <= wLastChar; i++, j++) { CI_GET_CHAR_INFO(xfont, i, def, cs); *(lpBuffer + j) = cs ? cs->width : xfont->max_bounds.width; if (*(lpBuffer + j) < 0) *(lpBuffer + j) = 0; } return TRUE; } /************************************************************************* * ParseFontParms [internal] */ int ParseFontParms(LPSTR lpFont, WORD wParmsNo, LPSTR lpRetStr, WORD wMaxSiz) { int i, j; #ifdef DEBUG_FONT printf("ParseFontParms('%s', %d, %08X, %d);\n", lpFont, wParmsNo, lpRetStr, wMaxSiz); #endif if (lpFont == NULL) return 0; if (lpRetStr == NULL) return 0; for (i = 0; (*lpFont != '\0' && i != wParmsNo); ) { if (*lpFont == '-') i++; lpFont++; } if (i == wParmsNo) { if (*lpFont == '-') lpFont++; wMaxSiz--; for (i = 0; (*lpFont != '\0' && *lpFont != '-' && i < wMaxSiz); i++) *(lpRetStr + i) = *lpFont++; *(lpRetStr + i) = '\0'; #ifdef DEBUG_FONT printf("ParseFontParms // '%s'\n", lpRetStr); #endif return i; } else lpRetStr[0] = '\0'; return 0; } /************************************************************************* * InitFontsList [internal] */ void InitFontsList() { char str[32]; char pattern[100]; char *family, *weight, *charset; char **names; char slant, spacing; int i, width, count; LPLOGFONT lpNewFont; weight = "medium"; slant = 'r'; spacing = '*'; charset = "*"; family = "*"; printf("InitFontsList !\n"); sprintf( pattern, "-*-%s-%s-%c-normal--*-*-*-*-%c-*-%s", family, weight, slant, spacing, charset); names = XListFonts( XT_display, pattern, MAX_FONTS, &count ); #ifdef DEBUG_FONT printf("InitFontsList // count=%d \n", count); #endif for (i = 0; i < count; i++) { lpNewFont = malloc(sizeof(LOGFONT) + LF_FACESIZE); if (lpNewFont == NULL) { printf("InitFontsList // Error alloc new font structure !\n"); break; } #ifdef DEBUG_FONT printf("InitFontsList // names[%d]='%s' \n", i, names[i]); #endif ParseFontParms(names[i], 2, str, sizeof(str)); if (strcmp(str, "fixed") == 0) strcat(str, "sys"); AnsiUpper(str); strcpy(lpNewFont->lfFaceName, str); ParseFontParms(names[i], 7, str, sizeof(str)); lpNewFont->lfHeight = atoi(str) / 10; ParseFontParms(names[i], 12, str, sizeof(str)); lpNewFont->lfWidth = atoi(str) / 10; lpNewFont->lfEscapement = 0; lpNewFont->lfOrientation = 0; lpNewFont->lfWeight = FW_REGULAR; lpNewFont->lfItalic = 0; lpNewFont->lfUnderline = 0; lpNewFont->lfStrikeOut = 0; ParseFontParms(names[i], 13, str, sizeof(str)); if (strcmp(str, "iso8859") == 0) lpNewFont->lfCharSet = ANSI_CHARSET; else lpNewFont->lfCharSet = OEM_CHARSET; lpNewFont->lfOutPrecision = OUT_DEFAULT_PRECIS; lpNewFont->lfClipPrecision = CLIP_DEFAULT_PRECIS; lpNewFont->lfQuality = DEFAULT_QUALITY; ParseFontParms(names[i], 11, str, sizeof(str)); switch(str[0]) { case 'p': lpNewFont->lfPitchAndFamily = VARIABLE_PITCH | FF_SWISS; break; case 'm': lpNewFont->lfPitchAndFamily = FIXED_PITCH | FF_MODERN; break; default: lpNewFont->lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE; break; } #ifdef DEBUG_FONT printf("InitFontsList // lpNewFont->lfHeight=%d \n", lpNewFont->lfHeight); printf("InitFontsList // lpNewFont->lfWidth=%d \n", lpNewFont->lfWidth); printf("InitFontsList // lfFaceName='%s' \n", lpNewFont->lfFaceName); #endif lpLogFontList[i] = lpNewFont; lpLogFontList[i+1] = NULL; } XFreeFontNames(names); } /************************************************************************* * EnumFonts [GDI.70] */ int EnumFonts(HDC hDC, LPSTR lpFaceName, FARPROC lpEnumFunc, LPSTR lpData) { HANDLE hLog; HANDLE hMet; HFONT hFont; HFONT hOldFont; LPLOGFONT lpLogFont; LPTEXTMETRIC lptm; LPSTR lpFaceList[MAX_FONTS]; char FaceName[LF_FACESIZE]; int nRet; int j, i = 0; printf("EnumFonts(%04X, %08X='%s', %08X, %08X)\n", hDC, lpFaceName, lpFaceName, lpEnumFunc, lpData); if (lpEnumFunc == NULL) return 0; hLog = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(LOGFONT) + LF_FACESIZE); lpLogFont = (LPLOGFONT) USER_HEAP_ADDR(hLog); if (lpLogFont == NULL) { printf("EnumFonts // can't alloc LOGFONT struct !\n"); return 0; } hMet = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(TEXTMETRIC)); lptm = (LPTEXTMETRIC) USER_HEAP_ADDR(hMet); if (lptm == NULL) { USER_HEAP_FREE(hLog); printf("EnumFonts // can't alloc TEXTMETRIC struct !\n"); return 0; } if (lpFaceName != NULL) { strcpy(FaceName, lpFaceName); AnsiUpper(FaceName); } if (lpLogFontList[0] == NULL) InitFontsList(); memset(lpFaceList, 0, MAX_FONTS * sizeof(LPSTR)); while (TRUE) { if (lpLogFontList[i] == NULL) break; if (lpFaceName == NULL) { for (j = 0; j < MAX_FONTS; j++) { if (lpFaceList[j] == NULL) break; if (strcmp(lpFaceList[j], lpLogFontList[i]->lfFaceName) == 0) { i++; j = 0; if (lpLogFontList[i] == NULL) break; } } if (lpLogFontList[i] == NULL) break; lpFaceList[j] = lpLogFontList[i]->lfFaceName; printf("EnumFonts // enum all 'lpFaceName' '%s' !\n", lpFaceList[j]); } else { while(lpLogFontList[i] != NULL) { if (strcmp(FaceName, lpLogFontList[i]->lfFaceName) == 0) break; i++; } if (lpLogFontList[i] == NULL) break; } memcpy(lpLogFont, lpLogFontList[i++], sizeof(LOGFONT) + LF_FACESIZE); hFont = CreateFontIndirect(lpLogFont); hOldFont = SelectObject(hDC, hFont); GetTextMetrics(hDC, lptm); SelectObject(hDC, hOldFont); DeleteObject(hFont); printf("EnumFonts // i=%d lpLogFont=%08X lptm=%08X\n", i, lpLogFont, lptm); #ifdef WINELIB nRet = (*lpEnumFunc)(lpLogFont, lptm, 0, lpData); #else nRet = CallBack16(lpEnumFunc, 4, 2, (int)lpLogFont, 2, (int)lptm, 0, (int)0, 2, (int)lpData); #endif if (nRet == 0) { printf("EnumFonts // EnumEnd requested by application !\n"); break; } } USER_HEAP_FREE(hMet); USER_HEAP_FREE(hLog); return 0; } /************************************************************************* * EnumFontFamilies [GDI.330] */ int EnumFontFamilies(HDC hDC, LPSTR lpszFamily, FARPROC lpEnumFunc, LPSTR lpData) { HANDLE hLog; HANDLE hMet; HFONT hFont; HFONT hOldFont; LPLOGFONT lpLogFont; LPTEXTMETRIC lptm; LPSTR lpFaceList[MAX_FONTS]; char FaceName[LF_FACESIZE]; int nRet; int j, i = 0; printf("EnumFontFamilies(%04X, %08X, %08X, %08X)\n", hDC, lpszFamily, lpEnumFunc, lpData); if (lpEnumFunc == NULL) return 0; hLog = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(LOGFONT) + LF_FACESIZE); lpLogFont = (LPLOGFONT) USER_HEAP_ADDR(hLog); if (lpLogFont == NULL) { printf("EnumFontFamilies // can't alloc LOGFONT struct !\n"); return 0; } hMet = USER_HEAP_ALLOC(GMEM_MOVEABLE, sizeof(TEXTMETRIC)); lptm = (LPTEXTMETRIC) USER_HEAP_ADDR(hMet); if (lptm == NULL) { USER_HEAP_FREE(hLog); printf("EnumFontFamilies // can't alloc TEXTMETRIC struct !\n"); return 0; } if (lpszFamily != NULL) { strcpy(FaceName, lpszFamily); AnsiUpper(FaceName); } if (lpLogFontList[0] == NULL) InitFontsList(); memset(lpFaceList, 0, MAX_FONTS * sizeof(LPSTR)); while (TRUE) { if (lpLogFontList[i] == NULL) break; if (lpszFamily == NULL) { if (lpLogFontList[i] == NULL) break; for (j = 0; j < MAX_FONTS; j++) { if (lpFaceList[j] == NULL) break; if (lpLogFontList[i] == NULL) break; if (strcmp(lpFaceList[j], lpLogFontList[i]->lfFaceName) == 0) { i++; j = 0; } } if (lpLogFontList[i] == NULL) break; lpFaceList[j] = lpLogFontList[i]->lfFaceName; printf("EnumFontFamilies // enum all 'lpszFamily' '%s' !\n", lpFaceList[j]); } else { while(lpLogFontList[i] != NULL) { if (strcmp(FaceName, lpLogFontList[i]->lfFaceName) == 0) break; i++; } if (lpLogFontList[i] == NULL) break; } memcpy(lpLogFont, lpLogFontList[i++], sizeof(LOGFONT) + LF_FACESIZE); hFont = CreateFontIndirect(lpLogFont); hOldFont = SelectObject(hDC, hFont); GetTextMetrics(hDC, lptm); SelectObject(hDC, hOldFont); DeleteObject(hFont); printf("EnumFontFamilies // i=%d lpLogFont=%08X lptm=%08X\n", i, lpLogFont, lptm); #ifdef WINELIB nRet = (*lpEnumFunc)(lpLogFont, lptm, 0, lpData); #else nRet = CallBack16(lpEnumFunc, 4, 2, (int)lpLogFont, 2, (int)lptm, 0, (int)0, 2, (int)lpData); #endif if (nRet == 0) { printf("EnumFontFamilies // EnumEnd requested by application !\n"); break; } } USER_HEAP_FREE(hMet); USER_HEAP_FREE(hLog); return 0; }