diff options
Diffstat (limited to 'unix/tkUnixFont.c')
| -rw-r--r-- | unix/tkUnixFont.c | 58 |
1 files changed, 34 insertions, 24 deletions
diff --git a/unix/tkUnixFont.c b/unix/tkUnixFont.c index 1f4a1d4..e5aceb1 100644 --- a/unix/tkUnixFont.c +++ b/unix/tkUnixFont.c @@ -19,8 +19,8 @@ * The preferred font encodings. */ -static const char *const encodingList[] = { - "iso8859-1", "jis0208", "jis0212", NULL +static const char encodingList[][10] = { + "iso8859-1", "jis0208", "jis0212" }; /* @@ -35,14 +35,14 @@ static const char *const encodingList[] = { * family": the foundry, face name, and charset. */ -#define FONTMAP_SHIFT 10 +#define FONTMAP_SHIFT 12 -#define FONTMAP_PAGES (1 << (sizeof(Tcl_UniChar)*8 - FONTMAP_SHIFT)) +#define FONTMAP_PAGES (1 << (21 - FONTMAP_SHIFT)) #define FONTMAP_BITSPERPAGE (1 << FONTMAP_SHIFT) typedef struct FontFamily { struct FontFamily *nextPtr; /* Next in list of all known font families. */ - int refCount; /* How many SubFonts are referring to this + size_t refCount; /* How many SubFonts are referring to this * FontFamily. When the refCount drops to * zero, this FontFamily may be freed. */ /* @@ -171,7 +171,7 @@ static Tcl_ThreadDataKey dataKey; * encodings into the names expected by the Tcl encoding package. */ -static EncodingAlias encodingAliases[] = { +static const EncodingAlias encodingAliases[] = { {"gb2312-raw", "gb2312*"}, {"big5", "big5*"}, {"cns11643-1", "cns11643*-1"}, @@ -406,10 +406,10 @@ ControlUtfProc( { const char *srcStart, *srcEnd; char *dstStart, *dstEnd; - Tcl_UniChar ch; + int ch; int result; - static char hexChars[] = "0123456789abcdef"; - static char mapChars[] = { + static const char hexChars[] = "0123456789abcdef"; + static const char mapChars[] = { 0, 0, 0, 0, 0, 0, 0, 'a', 'b', 't', 'n', 'v', 'f', 'r' }; @@ -427,9 +427,9 @@ ControlUtfProc( result = TCL_CONVERT_NOSPACE; break; } - src += Tcl_UtfToUniChar(src, &ch); + src += TkUtfToUniChar(src, &ch); dst[0] = '\\'; - if ((ch < sizeof(mapChars)) && (mapChars[ch] != 0)) { + if (((size_t) ch < sizeof(mapChars)) && (mapChars[ch] != 0)) { dst[1] = mapChars[ch]; dst += 2; } else if (ch < 256) { @@ -437,13 +437,21 @@ ControlUtfProc( dst[2] = hexChars[(ch >> 4) & 0xf]; dst[3] = hexChars[ch & 0xf]; dst += 4; - } else { + } else if (ch < 0x10000) { dst[1] = 'u'; dst[2] = hexChars[(ch >> 12) & 0xf]; dst[3] = hexChars[(ch >> 8) & 0xf]; dst[4] = hexChars[(ch >> 4) & 0xf]; dst[5] = hexChars[ch & 0xf]; dst += 6; + } else { + /* TODO we can do better here */ + dst[1] = 'u'; + dst[2] = 'f'; + dst[3] = 'f'; + dst[4] = 'f'; + dst[5] = 'd'; + dst += 6; } } *srcReadPtr = src - srcStart; @@ -513,7 +521,7 @@ Ucs2beToUtfProc( srcEnd = src + srcLen; dstStart = dst; - dstEnd = dst + dstLen - TCL_UTF_MAX; + dstEnd = dst + dstLen - 4; for (numChars = 0; src < srcEnd; numChars++) { if (dst > dstEnd) { @@ -588,7 +596,7 @@ UtfToUcs2beProc( srcEnd = src + srcLen; srcClose = srcEnd; if (!(flags & TCL_ENCODING_END)) { - srcClose -= TCL_UTF_MAX; + srcClose -= 4; } dstStart = dst; @@ -1028,7 +1036,7 @@ Tk_MeasureChars( curByte = 0; } else if (maxLength < 0) { const char *p, *end, *next; - Tcl_UniChar ch; + int ch; SubFont *thisSubFontPtr; FontFamily *familyPtr; Tcl_DString runString; @@ -1044,7 +1052,7 @@ Tk_MeasureChars( curX = 0; end = source + numBytes; for (p = source; p < end; ) { - next = p + Tcl_UtfToUniChar(p, &ch); + next = p + TkUtfToUniChar(p, &ch); thisSubFontPtr = FindSubFontForChar(fontPtr, ch, &lastSubFontPtr); if (thisSubFontPtr != lastSubFontPtr) { familyPtr = lastSubFontPtr->familyPtr; @@ -1406,10 +1414,13 @@ TkpDrawCharsInContext( * whole (not just the range) string when * drawing. */ { + int widthUntilStart; + (void) numBytes; /*unused*/ + Tk_MeasureChars(tkfont, source, rangeStart, -1, 0, &widthUntilStart); Tk_DrawChars(display, drawable, gc, tkfont, source + rangeStart, - rangeLength, x, y); + rangeLength, x+widthUntilStart, y); } /* @@ -1908,8 +1919,7 @@ FreeFontFamily( if (familyPtr == NULL) { return; } - familyPtr->refCount--; - if (familyPtr->refCount > 0) { + if (familyPtr->refCount-- > 1) { return; } Tcl_FreeEncoding(familyPtr->encoding); @@ -2202,7 +2212,7 @@ FontMapLoadPage( int row) /* Index of the page to be loaded into the * cache. */ { - char buf[16], src[TCL_UTF_MAX]; + char buf[16], src[4]; int minHi, maxHi, minLo, maxLo, scale, checkLo; int i, end, bitOffset, isTwoByteFont, n; Tcl_Encoding encoding; @@ -2406,7 +2416,7 @@ CanUseFallback( unsigned bestScore[2]; char **nameList; char **nameListOrig; - char src[TCL_UTF_MAX]; + char src[4]; FontAttributes want, got; Display *display; SubFont subFont; @@ -2678,7 +2688,7 @@ RankAttributes( penalty += 150 * diff; } if (gotPtr->xa.charset != wantPtr->xa.charset) { - int i; + size_t i; const char *gotAlias, *wantAlias; penalty += 65000; @@ -2686,7 +2696,7 @@ RankAttributes( wantAlias = GetEncodingAlias(wantPtr->xa.charset); if (strcmp(gotAlias, wantAlias) != 0) { penalty += 30000; - for (i = 0; encodingList[i] != NULL; i++) { + for (i = 0; i < sizeof(encodingList)/sizeof(encodingList[0]); i++) { if (strcmp(gotAlias, encodingList[i]) == 0) { penalty -= 30000; break; @@ -3004,7 +3014,7 @@ static const char * GetEncodingAlias( const char *name) /* The name to look up. */ { - EncodingAlias *aliasPtr; + const EncodingAlias *aliasPtr; for (aliasPtr = encodingAliases; aliasPtr->aliasPattern != NULL; ) { if (Tcl_StringMatch(name, aliasPtr->aliasPattern)) { |