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bug 22031; enabling raster (bitmap) fonts on Windows, e.g. for UI;

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r=rods,rbs
This commit is contained in:
erik%netscape.com 2000-07-13 21:08:37 +00:00
parent 0ec4660e5b
commit 9ac62f9df8
1 changed files with 100 additions and 71 deletions
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171
gfx/src/windows/nsFontMetricsWin.cpp
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@ -47,6 +47,39 @@
//#define NS_REPLACEMENT_CHAR PRUnichar(0x00BF) // Inverted question mark
//#define NS_REPLACEMENT_CHAR PRUnichar(0x25AD) // White rectangle
enum nsCharSet
{
eCharSet_DEFAULT = 0,
eCharSet_ANSI,
eCharSet_EASTEUROPE,
eCharSet_RUSSIAN,
eCharSet_GREEK,
eCharSet_TURKISH,
eCharSet_HEBREW,
eCharSet_ARABIC,
eCharSet_BALTIC,
eCharSet_THAI,
eCharSet_SHIFTJIS,
eCharSet_GB2312,
eCharSet_HANGEUL,
eCharSet_CHINESEBIG5,
eCharSet_JOHAB,
eCharSet_COUNT
};
struct nsCharSetInfo
{
char* mName;
PRUint16 mCodePage;
char* mLangGroup;
void (*GenerateMap)(nsCharSetInfo* aSelf);
PRUint32* mMap;
};
static void GenerateDefault(nsCharSetInfo* aSelf);
static void GenerateSingleByte(nsCharSetInfo* aSelf);
static void GenerateMultiByte(nsCharSetInfo* aSelf);
static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
static NS_DEFINE_IID(kIFontMetricsIID, NS_IFONT_METRICS_IID);
static NS_DEFINE_CID(kPrefCID, NS_PREF_CID);
@ -79,6 +112,25 @@ static int gInitialized = 0;
static PRUint32 gUserDefinedMap[2048];
static nsCharSetInfo gCharSetInfo[eCharSet_COUNT] =
{
{ "DEFAULT", 0, "", GenerateDefault },
{ "ANSI", 1252, "x-western", GenerateSingleByte },
{ "EASTEUROPE", 1250, "x-central-euro", GenerateSingleByte },
{ "RUSSIAN", 1251, "x-cyrillic", GenerateSingleByte },
{ "GREEK", 1253, "el", GenerateSingleByte },
{ "TURKISH", 1254, "tr", GenerateSingleByte },
{ "HEBREW", 1255, "he", GenerateSingleByte },
{ "ARABIC", 1256, "ar", GenerateSingleByte },
{ "BALTIC", 1257, "x-baltic", GenerateSingleByte },
{ "THAI", 874, "th", GenerateSingleByte },
{ "SHIFTJIS", 932, "ja", GenerateMultiByte },
{ "GB2312", 936, "zh-CN", GenerateMultiByte },
{ "HANGEUL", 949, "ko", GenerateMultiByte },
{ "CHINESEBIG5", 950, "zh-TW", GenerateMultiByte },
{ "JOHAB", 1361, "ko-XXX", GenerateMultiByte }
};
static void
FreeGlobals(void)
{
@ -330,21 +382,31 @@ GetGlyphIndex(PRUint16 segCount, PRUint16* endCode, PRUint16* startCode,
return glyphIndex;
}
static int
enum nsGetNameError
{
eGetName_OK = 0,
eGetName_GDIError,
eGetName_OtherError
};
static nsGetNameError
GetNAME(HDC aDC, nsString* aName)
{
DWORD len = GetFontData(aDC, NAME, 0, nsnull, 0);
if ((len == GDI_ERROR) || (!len)) {
return 0;
if (len == GDI_ERROR) {
return eGetName_GDIError;
}
if (!len) {
return eGetName_OtherError;
}
PRUint8* buf = (PRUint8*) PR_Malloc(len);
if (!buf) {
return 0;
return eGetName_OtherError;
}
DWORD newLen = GetFontData(aDC, NAME, 0, buf, len);
if (newLen != len) {
PR_Free(buf);
return 0;
return eGetName_OtherError;
}
PRUint8* p = buf + 2;
PRUint16 n = GET_SHORT(p);
@ -372,7 +434,7 @@ GetNAME(HDC aDC, nsString* aName)
}
if (i == n) {
PR_Free(buf);
return 0;
return eGetName_OtherError;
}
p = buf + offset + idOffset;
idLength /= 2;
@ -384,7 +446,7 @@ GetNAME(HDC aDC, nsString* aName)
PR_Free(buf);
return 1;
return eGetName_OK;
}
static PLHashNumber
@ -539,26 +601,6 @@ PRUint8 bitToCharSet[64] =
/*63*/ DEFAULT_CHARSET
};
enum nsCharSet
{
eCharSet_DEFAULT = 0,
eCharSet_ANSI,
eCharSet_EASTEUROPE,
eCharSet_RUSSIAN,
eCharSet_GREEK,
eCharSet_TURKISH,
eCharSet_HEBREW,
eCharSet_ARABIC,
eCharSet_BALTIC,
eCharSet_THAI,
eCharSet_SHIFTJIS,
eCharSet_GB2312,
eCharSet_HANGEUL,
eCharSet_CHINESEBIG5,
eCharSet_JOHAB,
eCharSet_COUNT
};
static nsCharSet gCharSetToIndex[256] =
{
/* 000 */ eCharSet_ANSI,
@ -1013,7 +1055,8 @@ nsFontMetricsWin::GetCMAP(HDC aDC, const char* aShortName, int* aFontType, PRUin
}
PRUint32* map;
nsFontInfo* info;
if (GetNAME(aDC, name)) {
nsGetNameError ret = GetNAME(aDC, name);
if (ret == eGetName_OK) {
info = (nsFontInfo*) PL_HashTableLookup(gFontMaps, name);
if (info) {
delete name;
@ -1031,6 +1074,32 @@ nsFontMetricsWin::GetCMAP(HDC aDC, const char* aShortName, int* aFontType, PRUin
return nsnull;
}
}
// GDIError occurs when we have raster font (not TrueType)
else if (ret == eGetName_GDIError) {
delete name;
int charset = GetTextCharset(aDC);
if (charset & (~0xFF)) {
return emptyMap;
}
else {
int j = gCharSetToIndex[charset];
PRUint32* charSetMap = gCharSetInfo[j].mMap;
if (!charSetMap) {
charSetMap = (PRUint32*) PR_Calloc(2048, 4);
if (charSetMap) {
gCharSetInfo[j].mMap = charSetMap;
gCharSetInfo[j].GenerateMap(&gCharSetInfo[j]);
}
else {
return emptyMap;
}
}
if (aFontType) {
*aFontType = NS_FONT_TYPE_UNICODE;
}
return charSetMap;
}
}
else {
// return an empty map, so that we never try this font again
delete name;
@ -1334,7 +1403,7 @@ GetGlyphIndices(HDC aDC,
if (aCMAP) {
nsAutoString name;
nsFontInfo* info;
if (GetNAME(aDC, &name)) {
if (GetNAME(aDC, &name) == eGetName_OK) {
info = (nsFontInfo*) PL_HashTableLookup(nsFontMetricsWin::gFontMaps, &name);
if (info) {
info->mCMAP.mData = buf;
@ -1689,12 +1758,6 @@ nsFontMetricsWin::LoadFont(HDC aDC, nsString* aName)
static int CALLBACK enumProc(const LOGFONT* logFont, const TEXTMETRIC* metrics,
DWORD fontType, LPARAM closure)
{
// XXX do we really want to ignore non-TrueType fonts?
if (!(fontType & TRUETYPE_FONTTYPE)) {
//printf("rejecting %s\n", logFont->lfFaceName);
return 1;
}
// XXX ignore vertical fonts
if (logFont->lfFaceName[0] == '@') {
return 1;
@ -1885,9 +1948,9 @@ nsFontMetricsWin::FindSubstituteFont(HDC aDC, PRUnichar c)
nsFontWin* font = mLoadedFonts[i];
nsAutoString name;
HFONT oldFont = (HFONT) ::SelectObject(aDC, font->mFont);
int res = GetNAME(aDC, &name);
nsGetNameError res = GetNAME(aDC, &name);
::SelectObject(aDC, oldFont);
if (res) {
if (res == eGetName_OK) {
nsFontInfo* info = (nsFontInfo*)PL_HashTableLookup(nsFontMetricsWin::gFontMaps, &name);
if (!info || info->mType != NS_FONT_TYPE_UNICODE) {
continue;
@ -2080,10 +2143,6 @@ static int CALLBACK nsFontWeightCallback(const LOGFONT* logFont, const TEXTMETRI
DWORD fontType, LPARAM closure)
{
// printf("Name %s Log font sizes %d\n",logFont->lfFaceName,logFont->lfWeight);
if (!(fontType & TRUETYPE_FONTTYPE)) {
// printf("rejecting %s\n", logFont->lfFaceName);
return TRUE;
}
nsFontWeightInfo* weightInfo = (nsFontWeightInfo*)closure;
if (NULL != metrics) {
@ -3418,17 +3477,6 @@ nsFontWinSubstitute::DumpFontInfo()
#endif // NS_DEBUG
#endif
typedef struct nsCharSetInfo nsCharSetInfo;
struct nsCharSetInfo
{
char* mName;
PRUint16 mCodePage;
char* mLangGroup;
void (*GenerateMap)(nsCharSetInfo* aSelf);
PRUint32* mMap;
};
static void
GenerateDefault(nsCharSetInfo* aSelf)
{
@ -3472,25 +3520,6 @@ GenerateMultiByte(nsCharSetInfo* aSelf)
}
}
static nsCharSetInfo gCharSetInfo[eCharSet_COUNT] =
{
{ "DEFAULT", 0, "", GenerateDefault },
{ "ANSI", 1252, "x-western", GenerateSingleByte },
{ "EASTEUROPE", 1250, "x-central-euro", GenerateSingleByte },
{ "RUSSIAN", 1251, "x-cyrillic", GenerateSingleByte },
{ "GREEK", 1253, "el", GenerateSingleByte },
{ "TURKISH", 1254, "tr", GenerateSingleByte },
{ "HEBREW", 1255, "he", GenerateSingleByte },
{ "ARABIC", 1256, "ar", GenerateSingleByte },
{ "BALTIC", 1257, "x-baltic", GenerateSingleByte },
{ "THAI", 874, "th", GenerateSingleByte },
{ "SHIFTJIS", 932, "ja", GenerateMultiByte },
{ "GB2312", 936, "zh-CN", GenerateMultiByte },
{ "HANGEUL", 949, "ko", GenerateMultiByte },
{ "CHINESEBIG5", 950, "zh-TW", GenerateMultiByte },
{ "JOHAB", 1361, "ko-XXX", GenerateMultiByte }
};
static int
HaveConverterFor(PRUint8 aCharSet)
{