static UINT calc_ppem_for_height(HDC hdc, LONG height)
{
BYTE os2[78]; /* size of version 0 table */
BYTE hhea[8]; /* just enough to get the ascender and descender */
LONG ascent = 0, descent = 0;
UINT emsize;
if(height < 0) return -height;
if(GetFontData(hdc, MS_MAKE_TAG('O','S','/','2'), 0, os2, sizeof(os2)) == sizeof(os2))
{
ascent = GET_BE_WORD(os2 + 74); /* usWinAscent */
descent = GET_BE_WORD(os2 + 76); /* usWinDescent */
}
if(ascent + descent == 0)
{
if(GetFontData(hdc, MS_MAKE_TAG('h','h','e','a'), 0, hhea, sizeof(hhea)) == sizeof(hhea))
{
ascent = (signed short)GET_BE_WORD(hhea + 4); /* Ascender */
descent = -(signed short)GET_BE_WORD(hhea + 6); /* Descender */
}
}
if(ascent + descent == 0) return height;
get_bbox(hdc, NULL, &emsize);
return MulDiv(emsize, height, ascent + descent);
}
bool GDI2FT_OS2_METRICS::init( HDC hdc )
/* --------------------------------------------------------------------------------
-------------------------------------------------------------------------------- */
{
DWORD font_data_size;
font_data_size = GetFontData( hdc, OS2_TABLE_TAG, offsetof( TT_OS2, xAvgCharWidth ), &_xAvgCharWidth, sizeof( _xAvgCharWidth ) );
if( font_data_size == GDI_ERROR )
return false;
font_data_size = GetFontData( hdc, OS2_TABLE_TAG, offsetof( TT_OS2, usWeightClass ), &_usWeightClass, sizeof( _usWeightClass ) );
if( font_data_size == GDI_ERROR )
return false;
font_data_size = GetFontData( hdc, OS2_TABLE_TAG, offsetof( TT_OS2, usWidthClass ), &_usWidthClass, sizeof( _usWidthClass ) );
if( font_data_size == GDI_ERROR )
return false;
font_data_size = GetFontData( hdc, OS2_TABLE_TAG, offsetof( TT_OS2, fsSelection ), &_fsSelection, sizeof( _fsSelection ) );
if( font_data_size == GDI_ERROR )
return false;
_xAvgCharWidth = SWAPWORD( _xAvgCharWidth );
_usWeightClass = SWAPWORD( _usWeightClass );
_usWidthClass = SWAPWORD( _usWidthClass );
_fsSelection = SWAPWORD( _fsSelection );
return true;
}
static bool GetDataFromHFONT( HFONT hf, char** outFontBuffer, unsigned int& outFontBufferLen )
{
HDC hdc;
if ( ( hdc = GetDC(0) ) == NULL ) {
DeleteObject(hf);
return false;
}
SelectObject(hdc, hf);
outFontBufferLen = GetFontData(hdc, 0, 0, 0, 0);
if (outFontBufferLen == GDI_ERROR) {
ReleaseDC(0, hdc);
DeleteObject(hf);
return false;
}
*outFontBuffer = (char *) malloc( outFontBufferLen );
if ( GetFontData( hdc, 0, 0, *outFontBuffer, (DWORD) outFontBufferLen ) == GDI_ERROR ) {
free( *outFontBuffer );
*outFontBuffer = NULL;
outFontBufferLen = 0;
ReleaseDC(0, hdc);
DeleteObject(hf);
return false;
}
ReleaseDC( 0, hdc );
DeleteObject( hf );
return true;
}
bool os2_metrics::init(HDC hdc)
{
// retrieve needed fields from the OS/2 table
DWORD font_data_size;
font_data_size = GetFontData(hdc, OS2_TABLE_TAG, offsetof(TT_OS2, xAvgCharWidth), &_xAvgCharWidth, sizeof(_xAvgCharWidth));
if (font_data_size == GDI_ERROR)
return false;
font_data_size = GetFontData(hdc, OS2_TABLE_TAG, offsetof(TT_OS2, usWeightClass), &_usWeightClass, sizeof(_usWeightClass));
if (font_data_size == GDI_ERROR)
return false;
font_data_size = GetFontData(hdc, OS2_TABLE_TAG, offsetof(TT_OS2, usWidthClass), &_usWidthClass, sizeof(_usWidthClass));
if (font_data_size == GDI_ERROR)
return false;
font_data_size = GetFontData(hdc, OS2_TABLE_TAG, offsetof(TT_OS2, fsSelection), &_fsSelection, sizeof(_fsSelection));
if (font_data_size == GDI_ERROR)
return false;
_xAvgCharWidth = SWAPWORD(_xAvgCharWidth);
_usWeightClass = SWAPWORD(_usWeightClass);
_usWidthClass = SWAPWORD(_usWidthClass);
_fsSelection = SWAPWORD(_fsSelection);
return true;
}
static VOID *load_gsub_table(HDC hdc)
{
VOID* GSUB_Table = NULL;
int length = GetFontData(hdc, GSUB_TAG , 0, NULL, 0);
if (length != GDI_ERROR)
{
GSUB_Table = HeapAlloc(GetProcessHeap(),0,length);
GetFontData(hdc, GSUB_TAG , 0, GSUB_Table, length);
TRACE("Loaded GSUB table of %i bytes\n",length);
}
return GSUB_Table;
}
static BOOL LoadTable(HDC hdc, OTTable *table)
{
unsigned int i;
if(table->MS_tag == MS_MAKE_TAG('g','d','i','r')) return TRUE;
table->len = GetFontData(hdc, table->MS_tag, 0, NULL, 0);
table->data = HeapAlloc(GetProcessHeap(), 0, (table->len + 3) & ~3 );
memset(table->data + ((table->len - 1) & ~3), 0, sizeof(DWORD));
GetFontData(hdc, table->MS_tag, 0, table->data, table->len);
table->check = 0;
for(i = 0; i < (table->len + 3) / 4; i++)
table->check += FLIP_ORDER(*((DWORD*)(table->data) + i));
return TRUE;
}
static BOOL get_font_metrics(HDC hdc, struct font_metrics *fm)
{
OUTLINETEXTMETRICW otm;
TT_OS2_V2 tt_os2;
TT_HHEA tt_hori;
LONG size;
UINT16 line_gap;
otm.otmSize = sizeof(otm);
if (!GetOutlineTextMetricsW(hdc, otm.otmSize, &otm)) return FALSE;
fm->em_height = otm.otmEMSquare;
fm->dpi = GetDeviceCaps(hdc, LOGPIXELSY);
memset(&tt_hori, 0, sizeof(tt_hori));
if (GetFontData(hdc, MS_HHEA_TAG, 0, &tt_hori, sizeof(tt_hori)) != GDI_ERROR)
{
fm->ascent = GET_BE_WORD(tt_hori.Ascender);
fm->descent = -GET_BE_WORD(tt_hori.Descender);
TRACE("hhea: ascent %d, descent %d\n", fm->ascent, fm->descent);
line_gap = GET_BE_WORD(tt_hori.LineGap);
fm->line_spacing = fm->ascent + fm->descent + line_gap;
TRACE("line_gap %u, line_spacing %u\n", line_gap, fm->line_spacing);
if (fm->ascent + fm->descent != 0) return TRUE;
}
size = GetFontData(hdc, MS_OS2_TAG, 0, NULL, 0);
if (size == GDI_ERROR) return FALSE;
if (size > sizeof(tt_os2)) size = sizeof(tt_os2);
memset(&tt_os2, 0, sizeof(tt_os2));
if (GetFontData(hdc, MS_OS2_TAG, 0, &tt_os2, size) != size) return FALSE;
fm->ascent = GET_BE_WORD(tt_os2.usWinAscent);
fm->descent = GET_BE_WORD(tt_os2.usWinDescent);
TRACE("usWinAscent %u, usWinDescent %u\n", fm->ascent, fm->descent);
if (fm->ascent + fm->descent == 0)
{
fm->ascent = GET_BE_WORD(tt_os2.sTypoAscender);
fm->descent = GET_BE_WORD(tt_os2.sTypoDescender);
TRACE("sTypoAscender %u, sTypoDescender %u\n", fm->ascent, fm->descent);
}
line_gap = GET_BE_WORD(tt_os2.sTypoLineGap);
fm->line_spacing = fm->ascent + fm->descent + line_gap;
TRACE("line_gap %u, line_spacing %u\n", line_gap, fm->line_spacing);
return TRUE;
}
PassRefPtr<SharedBuffer> FontPlatformData::openTypeTable(uint32_t table) const
{
HWndDC hdc(0);
HGDIOBJ oldFont = SelectObject(hdc, hfont());
DWORD size = GetFontData(hdc, table, 0, 0, 0);
RefPtr<SharedBuffer> buffer;
if (size != GDI_ERROR) {
buffer = SharedBuffer::create(size);
DWORD result = GetFontData(hdc, table, 0, (PVOID)buffer->data(), size);
ASSERT(result == size);
}
SelectObject(hdc, oldFont);
return buffer.release();
}
static QString getEnglishName(const QString &familyName)
{
QString i18n_name;
HDC hdc = GetDC( 0 );
LOGFONT lf;
memset(&lf, 0, sizeof(LOGFONT));
memcpy(lf.lfFaceName, familyName.utf16(), qMin(LF_FACESIZE, familyName.length()) * sizeof(wchar_t));
lf.lfCharSet = DEFAULT_CHARSET;
HFONT hfont = CreateFontIndirect(&lf);
if(!hfont) {
ReleaseDC(0, hdc);
return QString();
}
HGDIOBJ oldobj = SelectObject( hdc, hfont );
const DWORD name_tag = MAKE_TAG( 'n', 'a', 'm', 'e' );
// get the name table
unsigned char *table = 0;
DWORD bytes = GetFontData( hdc, name_tag, 0, 0, 0 );
if ( bytes == GDI_ERROR ) {
// ### Unused variable
/* int err = GetLastError(); */
goto error;
}
table = new unsigned char[bytes];
GetFontData(hdc, name_tag, 0, table, bytes);
if ( bytes == GDI_ERROR )
goto error;
i18n_name = getEnglishName(table, bytes);
error:
delete [] table;
SelectObject( hdc, oldobj );
DeleteObject( hfont );
ReleaseDC( 0, hdc );
//qDebug("got i18n name of '%s' for font '%s'", i18n_name.latin1(), familyName.toLocal8Bit().data());
return i18n_name;
}
String GetFontDataSys(Font font)
{
String r;
HFONT hfont = GetWin32Font(font, 0);
if(hfont) {
HDC hdc = Win32_IC();
HFONT ohfont = (HFONT) ::SelectObject(hdc, hfont);
DWORD size = GetFontData(hdc, 0, 0, NULL, 0);
if(size == GDI_ERROR) {
LLOG("PdfDraw::Finish: GDI_ERROR on font " << pdffont.GetKey(i));
return Null;
}
StringBuffer b(size);
GetFontData(hdc, 0, 0, b, size);
::SelectObject(hdc, ohfont);
r = b;
}
return r;
}
/* [fault_status][comm_status] */ error_status_t gdipp_rpc_get_font_size(
/* [in] */ handle_t h_gdipp_rpc,
/* [context_handle_noserialize][in] */ GDIPP_RPC_SESSION_HANDLE h_session,
/* [in] */ unsigned long table,
/* [in] */ unsigned long offset,
/* [out] */ unsigned long *font_size)
{
const gdipp::rpc_session *curr_session = reinterpret_cast<const gdipp::rpc_session *>(h_session);
*font_size = GetFontData(curr_session->font_holder, table, offset, NULL, 0);
return RPC_S_OK;
}
//------------------------------------------------------------------------------
void IGUIFont_ft2::DrawString(IGUIInterfaceRender* pRender,
const CGUIStringRender& rString,
const CGUIVector2& rPos,
real fAlpha,
int32 nStartPos,
int32 nEndPos)
{
if( rString.m_strContent.empty())
{
//empty string
return;
}
CGUIVector2 aPos = rPos;
if( nEndPos<0 || nEndPos>int32(rString.m_strContent.size()))
{
nEndPos = rString.m_strContent.size();
}
const CGUIStringRenderInfo& rInfo = rString.m_aStringInfo;
CGUIFontData_ft2* pFontData = GetFontData( rInfo.m_uFontID );
for( int32 i=nStartPos; i<nEndPos; ++i)
{
SCharData_ft2 * pCharData = pFontData->GetCharData( rString.m_strContent[i] );
if( pCharData->m_pTexture)
{
CGUIRect aCharRect(
CGUIVector2(aPos.x+pCharData->m_fBearingX*rInfo.m_fFontScale, aPos.y-pCharData->m_fBearingY*rInfo.m_fFontScale),
CGUISize(pCharData->m_fBitmapWidth*rInfo.m_fFontScale,pCharData->m_fBitmapHeight*rInfo.m_fFontScale));
//dest area size
CGUIColor aColor(rInfo.m_aColor);
aColor.SetAlpha(aColor.GetAlpha()*fAlpha);
pRender->DrawTile(
aCharRect,
0,
pCharData->m_pTexture,
pCharData->m_aUV,
eImageOrientation_Normal,
aColor,
aColor,
aColor,
aColor);
}
aPos.x+=pCharData->m_aSize.m_fWidth*rInfo.m_fFontScale;
}
}
bool os2_metrics::init(void *font_id)
{
// retrieve needed fields from the OS/2 table
DWORD font_data_size;
const HDC font_holder = dc_pool_instance.claim();
assert(font_holder != NULL);
font_mgr_instance.select_font(font_id, font_holder);
font_data_size = GetFontData(font_holder, OS2_TABLE_TAG, offsetof(TT_OS2, xAvgCharWidth), reinterpret_cast<byte *>(&_xAvgCharWidth), sizeof(_xAvgCharWidth));
if (font_data_size == GDI_ERROR)
goto failed_init_os2_metrics;
font_data_size = GetFontData(font_holder, OS2_TABLE_TAG, offsetof(TT_OS2, usWeightClass), reinterpret_cast<byte *>(&_usWeightClass), sizeof(_usWeightClass));
if (font_data_size == GDI_ERROR)
goto failed_init_os2_metrics;
font_data_size = GetFontData(font_holder, OS2_TABLE_TAG, offsetof(TT_OS2, usWidthClass), reinterpret_cast<byte *>(&_usWidthClass), sizeof(_usWidthClass));
if (font_data_size == GDI_ERROR)
goto failed_init_os2_metrics;
font_data_size = GetFontData(font_holder, OS2_TABLE_TAG, offsetof(TT_OS2, fsSelection), reinterpret_cast<byte *>(&_fsSelection), sizeof(_fsSelection));
if (font_data_size == GDI_ERROR)
goto failed_init_os2_metrics;
_xAvgCharWidth = SWAPWORD(_xAvgCharWidth);
_usWeightClass = SWAPWORD(_usWeightClass);
_usWidthClass = SWAPWORD(_usWidthClass);
_fsSelection = SWAPWORD(_fsSelection);
return true;
failed_init_os2_metrics:
dc_pool_instance.free(font_holder);
return false;
}
/* [fault_status][comm_status] */ error_status_t gdipp_rpc_get_font_data(
/* [in] */ handle_t h_gdipp_rpc,
/* [context_handle_noserialize][in] */ GDIPP_RPC_SESSION_HANDLE h_session,
/* [in] */ unsigned long table,
/* [in] */ unsigned long offset,
/* [size_is][out] */ byte *data_buf,
/* [in] */ unsigned long buf_size)
{
const gdipp::rpc_session *curr_session = reinterpret_cast<const gdipp::rpc_session *>(h_session);
// TODO: output pointer is not allocated with MIDL_user_allocate
// TODO: return value not returned
GetFontData(curr_session->font_holder, table, offset, data_buf, buf_size);
return RPC_S_OK;
}
static BOOL is_fake_italic( HDC hdc )
{
TEXTMETRICW tm;
BYTE head[54]; /* the head table is 54 bytes long */
WORD mac_style;
GetTextMetricsW( hdc, &tm );
if (!tm.tmItalic) return FALSE;
if (GetFontData( hdc, MS_MAKE_TAG('h','e','a','d'), 0, head, sizeof(head) ) == GDI_ERROR)
return FALSE;
mac_style = GET_BE_WORD( head + 44 );
TRACE( "mac style %04x\n", mac_style );
return !(mac_style & 2);
}
/****************************************************************************
* get_bbox
*
* This retrieves the bounding box of the font in font units as well as
* the size of the emsquare. To avoid having to worry about mapping mode and
* the font size we'll get the data directly from the TrueType HEAD table rather
* than using GetOutlineTextMetrics.
*/
static BOOL get_bbox(PSDRV_PDEVICE *physDev, RECT *rc, UINT *emsize)
{
BYTE head[54]; /* the head table is 54 bytes long */
if(GetFontData(physDev->hdc, MS_MAKE_TAG('h','e','a','d'), 0, head,
sizeof(head)) == GDI_ERROR) {
ERR("Can't retrieve head table\n");
return FALSE;
}
*emsize = GET_BE_WORD(head + 18); /* unitsPerEm */
rc->left = (signed short)GET_BE_WORD(head + 36); /* xMin */
rc->bottom = (signed short)GET_BE_WORD(head + 38); /* yMin */
rc->right = (signed short)GET_BE_WORD(head + 40); /* xMax */
rc->top = (signed short)GET_BE_WORD(head + 42); /* yMax */
return TRUE;
}
/****************************************************************************
* get_bbox
*
* This retrieves the bounding box of the font in font units as well as
* the size of the emsquare. To avoid having to worry about mapping mode and
* the font size we'll get the data directly from the TrueType HEAD table rather
* than using GetOutlineTextMetrics.
*/
static UINT get_bbox(HDC hdc, RECT *rc)
{
BYTE head[54]; /* the head table is 54 bytes long */
if(GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, head, sizeof(head)) == GDI_ERROR)
{
ERR("Can't retrieve head table\n");
return 0;
}
if(rc)
{
rc->left = (signed short)GET_BE_WORD(head + 36); /* xMin */
rc->bottom = (signed short)GET_BE_WORD(head + 38); /* yMin */
rc->right = (signed short)GET_BE_WORD(head + 40); /* xMax */
rc->top = (signed short)GET_BE_WORD(head + 42); /* yMax */
}
return GET_BE_WORD(head + 18); /* unitsPerEm */
}
/**
* FreeType 用 ストリーム読み込み関数
* @param stream FT_Streamへのポインタ
* @param offset ストリーム先頭からのオフセット
* @param buffer 格納先バッファ
* @param count 読み出すバイト数
* @return 何バイト読み込まれたか
*/
unsigned long tNativeFreeTypeFace::IoFunc(
FT_Stream stream,
unsigned long offset,
unsigned char* buffer,
unsigned long count )
{
if(count != 0)
{
tNativeFreeTypeFace * _this =
static_cast<tNativeFreeTypeFace*>(stream->descriptor.pointer);
DWORD result = GetFontData(_this->DC,
_this->IsTTC ? TVP_TT_TABLE_ttcf : 0,
offset, buffer, count);
if(result == GDI_ERROR)
{
// エラー
return 0;
}
return result;
}
return 0;
}
//------------------------------------------------------------------------------
CGUISize IGUIFont_ft2::GetCharacterSize( wchar charCode, const CGUIStringRenderInfo& rInfo )
{
CGUIFontData_ft2* pFontData = GetFontData( rInfo.m_uFontID );
SCharData_ft2 * pCharData = pFontData->GetCharData( charCode );
return pCharData->m_aSize * rInfo.m_fFontScale;
}
bool FreeTypeSysFontData::Init(LPCTSTR name, int weight, bool italic)
{
const CGdippSettings* pSettings = CGdippSettings::GetInstance();
void* pNameFromGDI = NULL; // Windows 偐傜庢摼偟偨 name 僞僌偺撪梕
void* pNameFromFreeType = NULL; // FreeType 偐傜庢摼偟偨 name 僞僌偺撪梕
HFONT hf = NULL;
DWORD cbNameTable;
DWORD cbFontData;
int index;
DWORD buf;
FT_StreamRec& fsr = m_ftStream;
m_name.assign(name);
m_hdc = CreateCompatibleDC(NULL);
if(m_hdc == NULL) {
return false;
}
// 柤慜埲奜揔摉
if (pSettings->FontSubstitutes() < SETTING_FONTSUBSTITUTE_ALL)
{
hf = CreateFont(
12, 0, 0, 0, weight,
italic, FALSE, FALSE,
DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS,
FONT_MAGIC_NUMBER,
DEFAULT_QUALITY,
DEFAULT_PITCH | FF_DONTCARE,
name);
}
else
hf = CreateFont(
12, 0, 0, 0, weight,
italic, FALSE, FALSE,
DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
DEFAULT_PITCH | FF_DONTCARE,
name);
if(hf == NULL){
return false;
}
m_hOldFont = SelectFont(m_hdc, hf);
// 僼僅儞僩僨乕僞偑摼傜傟偦偆偐僠僃僢僋
cbNameTable = ::GetFontData(m_hdc, TVP_TT_TABLE_name, 0, NULL, 0);
if(cbNameTable == GDI_ERROR){
goto ERROR_Init;
}
pNameFromGDI = malloc(cbNameTable);
if (!pNameFromGDI) {
goto ERROR_Init;
}
pNameFromFreeType = malloc(cbNameTable);
if (!pNameFromFreeType) {
goto ERROR_Init;
}
//- name 僞僌偺撪梕傪儊儌儕偵撉傒崬傓
if(GetFontData(m_hdc, TVP_TT_TABLE_name, 0, pNameFromGDI, cbNameTable) == GDI_ERROR){
goto ERROR_Init;
}
// 僼僅儞僩僒僀僘庢摼張棟
cbFontData = ::GetFontData(m_hdc, TVP_TT_TABLE_ttcf, 0, &buf, 1);
if(cbFontData == 1){
// TTC 僼傽僀儖偩偲巚傢傟傞
cbFontData = ::GetFontData(m_hdc, TVP_TT_TABLE_ttcf, 0, NULL, 0);
m_isTTC = true;
}
else{
cbFontData = ::GetFontData(m_hdc, 0, 0, NULL, 0);
}
if(cbFontData == GDI_ERROR){
// 僄儔乕; GetFontData 偱偼埖偊側偐偭偨
goto ERROR_Init;
}
if (pSettings->UseMapping()) {
HANDLE hmap = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE | SEC_COMMIT | SEC_NOCACHE, 0, cbFontData, NULL);
if (!hmap) {
goto ERROR_Init;
}
m_pMapping = MapViewOfFile(hmap, FILE_MAP_ALL_ACCESS, 0, 0, cbFontData);
m_dwSize = cbFontData;
CloseHandle(hmap);
if (m_pMapping) {
::GetFontData(m_hdc, m_isTTC ? TVP_TT_TABLE_ttcf : 0, 0, m_pMapping, cbFontData);
}
}
// FT_StreamRec 偺奺僼傿乕儖僪傪杽傔傞
fsr.base = 0;
fsr.size = cbFontData;
fsr.pos = 0;
fsr.descriptor.pointer = this;
fsr.pathname.pointer = NULL;
fsr.read = IoFunc;
fsr.close = CloseFunc;
index = 0;
m_locked = true;
if(!OpenFaceByIndex(index)){
goto ERROR_Init;
}
for(;;) {
// FreeType 偐傜丄name 僞僌偺僒僀僘傪庢摼偡傞
FT_ULong length = 0;
FT_Error err = FT_Load_Sfnt_Table(m_ftFace, TTAG_name, 0, NULL, &length);
if(err){
goto ERROR_Init;
}
// FreeType 偐傜摼偨 name 僞僌偺挿偝傪 Windows 偐傜摼偨挿偝偲斾妑
if(length == cbNameTable){
// FreeType 偐傜 name 僞僌傪庢摼
err = FT_Load_Sfnt_Table(m_ftFace, TTAG_name, 0, (unsigned char*)pNameFromFreeType, &length);
if(err){
goto ERROR_Init;
}
// FreeType 偐傜撉傒崬傫偩 name 僞僌偺撪梕偲丄Windows 偐傜撉傒崬傫偩
// name 僞僌偺撪梕傪斾妑偡傞丅
// 堦抳偟偰偄傟偽偦偺 index 偺僼僅儞僩傪巊偆丅
if(!memcmp(pNameFromGDI, pNameFromFreeType, cbNameTable)){
// 堦抳偟偨
// face 偼奐偄偨傑傑
break; // 儖乕僾傪敳偗傞
}
}
// 堦抳偟側偐偭偨
// 僀儞僨僢僋僗傪堦偮憹傗偟丄偦偺 face 傪奐偔
index ++;
if(!OpenFaceByIndex(index)){
// 堦抳偡傞 face 偑側偄傑傑 僀儞僨僢僋僗偑斖埻傪挻偊偨偲尒傜傟傞
// index 傪 0 偵愝掕偟偰偦偺 index 傪奐偒丄儖乕僾傪敳偗傞
index = 0;
if(!OpenFaceByIndex(index)){
goto ERROR_Init;
}
break;
}
}
free(pNameFromGDI);
free(pNameFromFreeType);
m_locked = false;
return true;
ERROR_Init:
m_locked = false;
if (hf) {
SelectFont(m_hdc, m_hOldFont);
DeleteFont(hf);
m_hOldFont = NULL;
}
free(pNameFromGDI);
free(pNameFromFreeType);
return false;
}
//------------------------------------------------------------------------------
real IGUIFont_ft2::GetFontHeight( const CGUIStringRenderInfo& rInfo )
{
CGUIFontData_ft2* pFontData = GetFontData( rInfo.m_uFontID );
return pFontData->GetFontSize() * rInfo.m_fFontScale;
}
// Fills |length| glyphs starting at |offset| in a |page| in the Basic
// Multilingual Plane (<= U+FFFF). The input buffer size should be the
// same as |length|. We can use the standard Windows GDI functions here.
// Returns true if any glyphs were found.
static bool fillBMPGlyphs(unsigned offset,
unsigned length,
UChar* buffer,
GlyphPage* page,
const SimpleFontData* fontData,
bool recurse)
{
HDC dc = GetDC((HWND)0);
HGDIOBJ oldFont = SelectObject(dc, fontData->platformData().hfont());
TEXTMETRIC tm = {0};
if (!GetTextMetrics(dc, &tm)) {
SelectObject(dc, oldFont);
ReleaseDC(0, dc);
if (recurse) {
if (PlatformBridge::ensureFontLoaded(fontData->platformData().hfont()))
return fillBMPGlyphs(offset, length, buffer, page, fontData, false);
fillEmptyGlyphs(page);
return false;
} else {
// FIXME: Handle gracefully the error if this call also fails.
// See http://crbug.com/6401
LOG_ERROR("Unable to get the text metrics after second attempt");
fillEmptyGlyphs(page);
return false;
}
}
// FIXME: GetGlyphIndices() sets each item of localGlyphBuffer[]
// with the one of the values listed below.
// * With the GGI_MARK_NONEXISTING_GLYPHS flag
// + If the font has a glyph available for the character,
// localGlyphBuffer[i] > 0x0.
// + If the font does not have glyphs available for the character,
// localGlyphBuffer[i] = 0x1F (TrueType Collection?) or
// 0xFFFF (OpenType?).
// * Without the GGI_MARK_NONEXISTING_GLYPHS flag
// + If the font has a glyph available for the character,
// localGlyphBuffer[i] > 0x0.
// + If the font does not have glyphs available for the character,
// localGlyphBuffer[i] = 0x80.
// (Windows automatically assigns the glyph for a box character to
// prevent ExtTextOut() from returning errors.)
// To avoid from hurting the rendering performance, this code just
// tells WebKit whether or not the all glyph indices for the given
// characters are 0x80 (i.e. a possibly-invalid glyph) and let it
// use alternative fonts for the characters.
// Although this may cause a problem, it seems to work fine as far as I
// have tested. (Obviously, I need more tests.)
WORD localGlyphBuffer[GlyphPage::size];
// FIXME: I find some Chinese characters can not be correctly displayed
// when call GetGlyphIndices without flag GGI_MARK_NONEXISTING_GLYPHS,
// because the corresponding glyph index is set as 0x20 when current font
// does not have glyphs available for the character. According a blog post
// http://blogs.msdn.com/michkap/archive/2006/06/28/649791.aspx
// I think we should switch to the way about calling GetGlyphIndices with
// flag GGI_MARK_NONEXISTING_GLYPHS, it should be OK according the
// description of MSDN.
// Also according to Jungshik and Hironori's suggestion and modification
// we treat turetype and raster Font as different way when windows version
// is less than Vista.
GetGlyphIndices(dc, buffer, length, localGlyphBuffer, GGI_MARK_NONEXISTING_GLYPHS);
// Copy the output to the GlyphPage
bool haveGlyphs = false;
int invalidGlyph = 0xFFFF;
const DWORD cffTableTag = 0x20464643; // 4-byte identifier for OpenType CFF table ('CFF ').
if (!isVistaOrNewer() && !(tm.tmPitchAndFamily & TMPF_TRUETYPE) && (GetFontData(dc, cffTableTag, 0, 0, 0) == GDI_ERROR))
invalidGlyph = 0x1F;
Glyph spaceGlyph = 0; // Glyph for a space. Lazily filled.
for (unsigned i = 0; i < length; i++) {
UChar c = buffer[i];
Glyph glyph = localGlyphBuffer[i];
const SimpleFontData* glyphFontData = fontData;
// When this character should be a space, we ignore whatever the font
// says and use a space. Otherwise, if fonts don't map one of these
// space or zero width glyphs, we will get a box.
if (Font::treatAsSpace(c)) {
// Hard code the glyph indices for characters that should be
// treated like spaces.
glyph = initSpaceGlyph(dc, &spaceGlyph);
} else if (glyph == invalidGlyph) {
// WebKit expects both the glyph index and FontData
// pointer to be 0 if the glyph is not present
glyph = 0;
glyphFontData = 0;
} else
haveGlyphs = true;
page->setGlyphDataForCharacter(offset + i, glyph, glyphFontData);
}
SelectObject(dc, oldFont);
ReleaseDC(0, dc);
return haveGlyphs;
}
//------------------------------------------------------------------------------
void IGUIFont_ft2::DrawString(IGUIInterfaceRender* pRender,
const CGUIStringRender& rString,
const CGUIRect& rStringRect,
ETextAlignmentHorz uTextAlignmentHorz,
ETextAlignmentVert uTextAlignmentVert,
real fAlpha,
int32 nStartPos,
int32 nEndPos)
{
if( rString.m_strContent.empty())
{
//empty string
return;
}
const CGUIStringRenderInfo& rInfo = rString.m_aStringInfo;
CGUIFontData_ft2* pFontData = GetFontData( rInfo.m_uFontID );
real fScaledStringWidth = GetStringWidth(rString);
real fScaledStringHeight = pFontData->GetFontSize() * rInfo.m_fFontScale;
CGUIVector2 aPos;
switch( uTextAlignmentHorz )
{
case eTextAlignment_Horz_Left:
aPos.x = rStringRect.m_fLeft;
break;
case eTextAlignment_Horz_Right:
aPos.x = rStringRect.m_fRight-fScaledStringWidth;
break;
case eTextAlignment_Horz_Center:
default:
aPos.x = floor(rStringRect.m_fLeft+(rStringRect.GetWidth()-fScaledStringWidth)/2);
break;
}
switch( uTextAlignmentVert )
{
case eTextAlignment_Vert_Up:
aPos.y = rStringRect.m_fTop;
break;
case eTextAlignment_Vert_Down:
aPos.y = rStringRect.m_fBottom - fScaledStringHeight;
break;
case eTextAlignment_Vert_Center:
default:
aPos.y = ceil(rStringRect.m_fTop + (rStringRect.GetHeight() - fScaledStringHeight) / 2);
break;
}
aPos.y += fScaledStringHeight;
if( nEndPos < 0 || nEndPos >int32( rString.m_strContent.size()))
{
nEndPos = rString.m_strContent.size();
}
for( int32 i= nStartPos; i<nEndPos; ++i)
{
SCharData_ft2 * pCharData = pFontData->GetCharData( rString.m_strContent[i] );
if( pCharData->m_pTexture)
{
CGUIRect aCharRect(
CGUIVector2(aPos.x+pCharData->m_fBearingX*rInfo.m_fFontScale, aPos.y-pCharData->m_fBearingY*rInfo.m_fFontScale),
CGUISize(pCharData->m_fBitmapWidth*rInfo.m_fFontScale,pCharData->m_fBitmapHeight*rInfo.m_fFontScale));
//dest area size
CGUIColor aColor(rInfo.m_aColor);
aColor.SetAlpha(aColor.GetAlpha()*fAlpha);
pRender->DrawTile(
aCharRect,
0,
pCharData->m_pTexture,
pCharData->m_aUV,
eImageOrientation_Normal,
aColor,
aColor,
aColor,
aColor);
}
aPos.x+=pCharData->m_aSize.m_fWidth*rInfo.m_fFontScale;
}
}
bool QWindowsFontEngine::hasCMapTable() const
{
HDC hdc = m_fontEngineData->hdc;
SelectObject(hdc, hfont);
return GetFontData(hdc, MAKE_LITTLE_ENDIAN_TAG('c', 'm', 'a', 'p'), 0, 0, 0) != GDI_ERROR;
}
BOOL bTestGFD (
HDC hdc
)
{
ULONG row = 0; // screen row coordinate to print at
HFONT hfont;
HFONT hfontOriginal;
LOGFONT lfnt;
ULONG cjBuffer;
PBYTE pjBuffer;
// Clear the screen to black.
BitBlt(hdc, 0, 0, CX, CY, (HDC) 0, 0, 0, 0);
// Get a font.
memset(&lfnt, 0, sizeof(lfnt));
lstrcpy(lfnt.lfFaceName, "Lucida Blackletter");
lfnt.lfHeight = 40;
lfnt.lfWeight = 400;
if ((hfont = CreateFontIndirect(&lfnt)) == NULL)
{
DbgPrint("ft!bTestGFD(): Logical font creation failed.\n");
return FALSE;
}
hfontOriginal = SelectObject(hdc, hfont);
// Determine buffer size needed by GetFontData.
// 'OS/2'
if ( (cjBuffer = (ULONG) GetFontData(hdc, 0x4f532f32, 0, (PVOID) NULL, 0)) == (ULONG) -1 )
{
DbgPrint("ft!bTestGFD(): could not get buffer size from API\n");
return FALSE;
}
// Allocate memory.
if ( (pjBuffer = (PBYTE) LocalAlloc(LPTR, cjBuffer)) == (PBYTE) NULL )
{
DbgPrint("ft!bTestGFD(): LocalAlloc(LPTR, 0x%lx) failed\n", cjBuffer);
return FALSE;
}
// Get the OS/2 table from TrueType.
if ( GetFontData(hdc, 0x4f532f32, 0, (PVOID) pjBuffer, cjBuffer) == (DWORD) -1 )
{
LocalFree(pjBuffer);
DbgPrint("ft!bTestGFD(): call to GetFontData failed\n");
return FALSE;
}
// Flush out batched calls.
GdiFlush();
// Allow an opportunity to examine the contents.
DbgPrint("ft!bTestGFD(): call to GetFontData succeeded\n");
DbgPrint("\tOS/2 TrueType table is at 0x%lx, size is 0x%lx (%ld)\n", pjBuffer, cjBuffer, cjBuffer);
DbgBreakPoint();
// Restore the font.
SelectObject(hdc, hfontOriginal);
DeleteObject(hfont);
// Free allocated memory.
LocalFree(pjBuffer);
return TRUE;
}
/**
* Fonts can have localised names and when the system locale is the same as
* one of those localised names Windows will always return that localised name
* instead of allowing to get the non-localised (English US) name of the font.
* This will later on give problems as freetype uses the non-localised name of
* the font and we need to compare based on that name.
* Windows furthermore DOES NOT have an API to get the non-localised name nor
* can we override the system locale. This means that we have to actually read
* the font itself to gather the font name we want.
* Based on: http://blogs.msdn.com/michkap/archive/2006/02/13/530814.aspx
* @param logfont the font information to get the english name of.
* @return the English name (if it could be found).
*/
static const char *GetEnglishFontName(const ENUMLOGFONTEX *logfont)
{
static char font_name[MAX_PATH];
const char *ret_font_name = NULL;
uint pos = 0;
HDC dc;
HGDIOBJ oldfont;
byte *buf;
DWORD dw;
uint16 format, count, stringOffset, platformId, encodingId, languageId, nameId, length, offset;
HFONT font = CreateFontIndirect(&logfont->elfLogFont);
if (font == NULL) goto err1;
dc = GetDC(NULL);
oldfont = SelectObject(dc, font);
dw = GetFontData(dc, 'eman', 0, NULL, 0);
if (dw == GDI_ERROR) goto err2;
buf = MallocT<byte>(dw);
dw = GetFontData(dc, 'eman', 0, buf, dw);
if (dw == GDI_ERROR) goto err3;
format = buf[pos++] << 8;
format += buf[pos++];
assert(format == 0);
count = buf[pos++] << 8;
count += buf[pos++];
stringOffset = buf[pos++] << 8;
stringOffset += buf[pos++];
for (uint i = 0; i < count; i++) {
platformId = buf[pos++] << 8;
platformId += buf[pos++];
encodingId = buf[pos++] << 8;
encodingId += buf[pos++];
languageId = buf[pos++] << 8;
languageId += buf[pos++];
nameId = buf[pos++] << 8;
nameId += buf[pos++];
if (nameId != 1) {
pos += 4; // skip length and offset
continue;
}
length = buf[pos++] << 8;
length += buf[pos++];
offset = buf[pos++] << 8;
offset += buf[pos++];
/* Don't buffer overflow */
length = min(length, MAX_PATH - 1);
for (uint j = 0; j < length; j++) font_name[j] = buf[stringOffset + offset + j];
font_name[length] = '\0';
if ((platformId == 1 && languageId == 0) || // Macintosh English
(platformId == 3 && languageId == 0x0409)) { // Microsoft English (US)
ret_font_name = font_name;
break;
}
}
err3:
free(buf);
err2:
SelectObject(dc, oldfont);
ReleaseDC(NULL, dc);
DeleteObject(font);
err1:
return ret_font_name == NULL ? WIDE_TO_MB((const TCHAR*)logfont->elfFullName) : ret_font_name;
}
void GR_Win32CharWidths::_retrieveFontInfo(HDC hdc)
{
// retrieve CMAP table for this font
DWORD iTableSize = GetFontData(hdc, CMAP, 0, NULL, 0);
char * buff = NULL, * p;
UT_uint16 i, j, k;
UT_uint16 iTCount;
if(!iTableSize || iTableSize==GDI_ERROR)
goto end_processing;
buff = new char[iTableSize];
if(!buff)
goto end_processing;
if(GDI_ERROR == GetFontData(hdc, CMAP, 0, (LPVOID)buff, iTableSize))
goto end_processing;
// now process the data in the table ...
p = buff;
UT_uint32 iOffset;
UT_uint16 iFormat;
iTCount = *((UT_uint16*)&buff[2]);
DO_BE2LE(iTCount);
p += 4;
for(i = 0; i < iTCount; i++)
{
UT_uint16 iPlatform = *((UT_uint16*)p);
DO_BE2LE(iPlatform);
p += 2;
UT_uint16 iId = *((UT_uint16*)p);
DO_BE2LE(iId);
p += 2;
if(iPlatform == 3 && iId == 1)
{
iOffset = *((UT_uint32*)p);
DO_BE2LE32(iOffset);
p += 4;
iFormat = *((UT_uint16*)(&buff[0]+iOffset));
DO_BE2LE(iFormat);
if(iFormat != 4)
{
continue;
}
p = &buff[0] + iOffset + 2;
UT_uint16 iLength = *((UT_uint16*)p);
DO_BE2LE(iLength);
p += 4;
UT_uint16 iSegCount = *((UT_uint16*)p);
DO_BE2LE(iSegCount);
iSegCount /= 2;
p += 8;
UT_uint16 * pEnd = (UT_uint16*)p;
p += 2*iSegCount + 2;
UT_uint16 * pStart = (UT_uint16*)p;
p += 2*iSegCount;
//UT_uint16 * pDelta = (UT_uint16*)p;
p += 2*iSegCount;
UT_uint16 * pRangeOffset = (UT_uint16*)p;
p += 2*iSegCount;
for(j = 0; j < iSegCount; j++)
{
DO_BE2LE(pRangeOffset[j]);
DO_BE2LE(pStart[j]);
DO_BE2LE(pEnd[j]);
if(pRangeOffset[j] == 0)
{
m_vRanges.addItem(pStart[j]);
m_vRanges.addItem(pEnd[j]);
}
else
{
UT_uint16 iStartChar = pStart[j];
for(k = pStart[j]; k <= pEnd[j]; k++)
{
if(pStart[j] == 0xffff && pEnd[j] == 0xffff)
{
// pEnd[j] == 0xffff indicates the last
// segment; according to the docs this
// segment need not, but can, contain any
// valid mappings, and the docs do
// not. Presumably if the segement
// contains more than on character there
// are some valid mapings, if not, i.e.,
// If pStart[j] == 0xffff, we will
// assume that the mapping is not valid
// Tomas, Oct 25, 2003
break;
}
if(0 == *(pRangeOffset[j]/2 + (k - pStart[j]) + &pRangeOffset[j]))
{
// this character is not present, dump
// everyting up to here
if(k > iStartChar)
{
m_vRanges.addItem(iStartChar);
m_vRanges.addItem(k-1);
}
iStartChar = k + 1;
}
}
if(iStartChar <= k - 1)
{
// dump what is left over
m_vRanges.addItem(iStartChar);
m_vRanges.addItem(k-1);
}
}
}
// not interested in any further tables
}
else if(iPlatform == 3 && iId == 0)
{
// symbol font
m_vRanges.addItem(0x20);
m_vRanges.addItem(0x255);
}
else
{
// move past the offset long
p += 4;
}
}
// g_free the table data
delete [] buff;
end_processing:
// sanity check
if(m_vRanges.getItemCount() == 0)
{
UT_DEBUGMSG(("GR_Win32CharWidths::_retrieveFontInfo: no ranges in font!!!\n"));
// just assume everything is present
m_vRanges.addItem(0);
m_vRanges.addItem(0xffffffff);
}
#ifdef DEBUG
for(UT_sint32 n = 0; n < m_vRanges.getItemCount() - 1; n += 2)
{
xxx_UT_DEBUGMSG(("GR_Win32CharWidths::_retrieveFontInfo: range 0x%04x - 0x%04x\n",
m_vRanges.getNthItem(n), m_vRanges.getNthItem(n+1)));
}
#endif
}
// This function creates a font resource for the given font name with the
// embedding type set appropriately for the licensing intent of the font.
HRESULT
CreateFontResourceForFont(
IXpsOMObjectFactory* xpsFactory,
LPCWSTR fontName,
IXpsOMFontResource **fontResource
)
{
HRESULT hr = S_OK;
HDC hDC = NULL;
LOGFONT logFont = {};
HGDIOBJ hFont = NULL;
ULONG privStatus = 0;
LONG ttStatus;
XPS_FONT_EMBEDDING embedding = XPS_FONT_EMBEDDING_NORMAL;
DWORD fontDataLen = GDI_ERROR;
HGLOBAL hGlobal = NULL;
LPVOID ptr = NULL;
IStream *fontStream = NULL;
GUID fontObfuscationGuid = {};
IOpcPartUri* partUri = NULL;
wchar_t fontPartName[60];
hDC = CreateDC(L"DISPLAY", NULL, NULL, NULL);
if (!hDC)
{
fwprintf(stderr, L"ERROR: Could not create device context\n");
hr = E_UNEXPECTED;
}
if (SUCCEEDED(hr))
{
if (wcscpy_s(logFont.lfFaceName, fontName) != 0)
{
fwprintf(stderr, L"ERROR: Could not copy font name into LOGFONT structure\n");
hr = E_UNEXPECTED;
}
}
if (SUCCEEDED(hr))
{
hFont = CreateFontIndirect(&logFont);
if (!hFont)
{
fwprintf(stderr, L"ERROR: Could not create font\n");
hr = E_UNEXPECTED;
}
}
if (SUCCEEDED(hr))
{
if (!SelectObject(hDC, hFont))
{
fwprintf(stderr, L"ERROR: Could not select object\n");
hr = E_UNEXPECTED;
}
}
if (SUCCEEDED(hr))
{
if ((ttStatus = TTGetEmbeddingType(hDC, &privStatus)) != E_NONE)
{
if (ttStatus == E_NOTATRUETYPEFONT)
{
fwprintf(stderr, L"ERROR: %s is not a TrueType font\n", fontName);
}
else
{
fwprintf(stderr, L"ERROR: Could not get embedding type: %08X\n", ttStatus);
}
hr = E_UNEXPECTED;
}
}
if (SUCCEEDED(hr))
{
switch (privStatus)
{
case EMBED_PREVIEWPRINT:
// Restricted font
embedding = XPS_FONT_EMBEDDING_RESTRICTED;
break;
case EMBED_EDITABLE:
// Editable font - MUST obfuscate
embedding = XPS_FONT_EMBEDDING_OBFUSCATED;
break;
case EMBED_INSTALLABLE:
// Installable font - SHOULD obfuscate
embedding = XPS_FONT_EMBEDDING_OBFUSCATED;
break;
case EMBED_NOEMBEDDING:
fwprintf(stderr, L"ERROR: %s may not be embedded\n", fontName);
hr = E_UNEXPECTED;
break;
default:
fwprintf(stderr, L"ERROR: Unrecognized embedding privileges: %08X\n", privStatus);
hr = E_UNEXPECTED;
break;
}
}
if (SUCCEEDED(hr))
{
fontDataLen = GetFontData(hDC, 0, 0, NULL, 0);
if (fontDataLen == GDI_ERROR)
{
fwprintf(stderr, L"ERROR: Could not get length of font data\n");
hr = E_UNEXPECTED;
}
}
if (SUCCEEDED(hr))
{
hGlobal = GlobalAlloc(GMEM_MOVEABLE, fontDataLen);
if (!hGlobal)
{
fwprintf(stderr, L"ERROR: Could not allocate memory with GlobalAlloc\n");
hr = E_OUTOFMEMORY;
}
}
if (SUCCEEDED(hr))
{
ptr = GlobalLock(hGlobal);
if (!ptr)
{
hr = HRESULT_FROM_WIN32(GetLastError());
fwprintf(stderr, L"ERROR: Could not lock global memory object: %08X\n", hr);
}
else
{
if (GetFontData(hDC, 0, 0, ptr, fontDataLen) == GDI_ERROR)
{
fwprintf(stderr, L"ERROR: Could not get font data\n");
hr = E_UNEXPECTED;
}
GlobalUnlock(hGlobal);
}
}
// Could perform font subsetting with CreateFontPackage here.
if (SUCCEEDED(hr))
{
if (FAILED(hr = CreateStreamOnHGlobal(hGlobal, TRUE, &fontStream)))
{
fwprintf(stderr, L"ERROR: Could not create font stream: %08X\n", hr);
}
else
{
// If CreateStreamOnHGlobal succeeded, the stream now controls the lifetime of the
// HGLOBAL.
hGlobal = NULL;
}
}
if (SUCCEEDED(hr))
{
if (FAILED(hr = CoCreateGuid(&fontObfuscationGuid)))
{
fwprintf(stderr, L"ERROR: Could not create GUID for obfuscation: %08X\n", hr);
}
}
if (SUCCEEDED(hr))
{
if (swprintf_s(
fontPartName,
sizeof(fontPartName)/sizeof(wchar_t),
L"/Resources/Fonts/%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X.odttf",
fontObfuscationGuid.Data1,
fontObfuscationGuid.Data2,
fontObfuscationGuid.Data3,
fontObfuscationGuid.Data4[0],
fontObfuscationGuid.Data4[1],
fontObfuscationGuid.Data4[2],
fontObfuscationGuid.Data4[3],
fontObfuscationGuid.Data4[4],
fontObfuscationGuid.Data4[5],
fontObfuscationGuid.Data4[6],
fontObfuscationGuid.Data4[7]
) == -1)
{
fwprintf(stderr, L"ERROR: Could not format GUID into part name\n");
hr = E_UNEXPECTED;
}
}
if (SUCCEEDED(hr))
{
if (FAILED(hr = xpsFactory->CreatePartUri(
fontPartName,
&partUri)))
{
fwprintf(stderr, L"ERROR: Could not create part URI: %08X\n", hr);
}
}
if (SUCCEEDED(hr))
{
if (FAILED(hr = xpsFactory->CreateFontResource(
fontStream,
embedding,
partUri,
FALSE,
fontResource
)))
{
fwprintf(stderr, L"ERROR: Could not create font resource: %08X\n", hr);
}
}
if (fontStream)
{
fontStream->Release();
fontStream = NULL;
}
if (partUri)
{
partUri->Release();
partUri = NULL;
}
if (hGlobal)
{
GlobalFree(hGlobal);
}
if (hFont)
{
DeleteObject(hFont);
}
if (hDC)
{
DeleteDC(hDC);
}
return hr;
}
static CFStringRef getPostScriptName(CFStringRef faceName, HDC dc)
{
const DWORD cMaxNameTableSize = 1024 * 1024;
static HashMap<String, RetainPtr<CFStringRef> > nameMap;
// Check our hash first.
String faceString(faceName);
RetainPtr<CFStringRef> result = nameMap.get(faceString);
if (result)
return result.get();
// We need to obtain the PostScript name from the name table and use it instead,.
DWORD bufferSize = GetFontData(dc, 'eman', 0, NULL, 0); // "name" backwards
if (bufferSize == 0 || bufferSize == GDI_ERROR || bufferSize > cMaxNameTableSize)
return NULL;
Vector<BYTE> bufferVector(bufferSize);
BYTE* buffer = bufferVector.data();
if (GetFontData(dc, 'eman', 0, buffer, bufferSize) == GDI_ERROR)
return NULL;
if (bufferSize < 6)
return NULL;
USHORT numberOfRecords = readBigEndianWord(buffer + 2);
UINT stringsOffset = readBigEndianWord(buffer + 4);
if (bufferSize < stringsOffset)
return NULL;
BYTE* strings = buffer + stringsOffset;
// Now walk each name record looking for a Mac or Windows PostScript name.
UINT offset = 6;
for (int i = 0; i < numberOfRecords; i++) {
if (bufferSize < offset + 12)
return NULL;
USHORT platformID = readBigEndianWord(buffer + offset);
USHORT encodingID = readBigEndianWord(buffer + offset + 2);
USHORT languageID = readBigEndianWord(buffer + offset + 4);
USHORT nameID = readBigEndianWord(buffer + offset + 6);
USHORT length = readBigEndianWord(buffer + offset + 8);
USHORT nameOffset = readBigEndianWord(buffer + offset + 10);
if (platformID == 3 && encodingID == 1 && languageID == 0x409 && nameID == 6) {
// This is a Windows PostScript name and is therefore UTF-16.
// Pass Big Endian as the encoding.
if (bufferSize < stringsOffset + nameOffset + length)
return NULL;
result = adoptCF(CFStringCreateWithBytes(NULL, strings + nameOffset, length, kCFStringEncodingUTF16BE, false));
break;
} else if (platformID == 1 && encodingID == 0 && languageID == 0 && nameID == 6) {
// This is a Mac PostScript name and is therefore ASCII.
// See http://developer.apple.com/textfonts/TTRefMan/RM06/Chap6name.html
if (bufferSize < stringsOffset + nameOffset + length)
return NULL;
result = adoptCF(CFStringCreateWithBytes(NULL, strings + nameOffset, length, kCFStringEncodingASCII, false));
break;
}
offset += 12;
}
if (result)
nameMap.set(faceString, result);
return result.get();
}
/****************************************************************************
* get_download_name
*/
static void get_download_name(PHYSDEV dev, LPOUTLINETEXTMETRICA potm, char **str)
{
int len;
char *p;
DWORD size;
size = GetFontData(dev->hdc, MS_MAKE_TAG('n','a','m','e'), 0, NULL, 0);
if(size != 0 && size != GDI_ERROR)
{
BYTE *name = HeapAlloc(GetProcessHeap(), 0, size);
if(name)
{
USHORT count, i;
BYTE *strings;
struct
{
USHORT platform_id;
USHORT encoding_id;
USHORT language_id;
USHORT name_id;
USHORT length;
USHORT offset;
} *name_record;
GetFontData(dev->hdc, MS_MAKE_TAG('n','a','m','e'), 0, name, size);
count = GET_BE_WORD(name + 2);
strings = name + GET_BE_WORD(name + 4);
name_record = (typeof(name_record))(name + 6);
for(i = 0; i < count; i++, name_record++)
{
name_record->platform_id = GET_BE_WORD(&name_record->platform_id);
name_record->encoding_id = GET_BE_WORD(&name_record->encoding_id);
name_record->language_id = GET_BE_WORD(&name_record->language_id);
name_record->name_id = GET_BE_WORD(&name_record->name_id);
name_record->length = GET_BE_WORD(&name_record->length);
name_record->offset = GET_BE_WORD(&name_record->offset);
if(name_record->platform_id == 1 && name_record->encoding_id == 0 &&
name_record->language_id == 0 && name_record->name_id == 6)
{
TRACE("Got Mac PS name %s\n", debugstr_an((char*)strings + name_record->offset, name_record->length));
*str = HeapAlloc(GetProcessHeap(), 0, name_record->length + 1);
memcpy(*str, strings + name_record->offset, name_record->length);
*(*str + name_record->length) = '\0';
HeapFree(GetProcessHeap(), 0, name);
return;
}
if(name_record->platform_id == 3 && name_record->encoding_id == 1 &&
name_record->language_id == 0x409 && name_record->name_id == 6)
{
WCHAR *unicode = HeapAlloc(GetProcessHeap(), 0, name_record->length + 2);
DWORD len;
int c;
for(c = 0; c < name_record->length / 2; c++)
unicode[c] = GET_BE_WORD(strings + name_record->offset + c * 2);
unicode[c] = 0;
TRACE("Got Windows PS name %s\n", debugstr_w(unicode));
len = WideCharToMultiByte(1252, 0, unicode, -1, NULL, 0, NULL, NULL);
*str = HeapAlloc(GetProcessHeap(), 0, len);
WideCharToMultiByte(1252, 0, unicode, -1, *str, len, NULL, NULL);
HeapFree(GetProcessHeap(), 0, unicode);
HeapFree(GetProcessHeap(), 0, name);
return;
}
}
TRACE("Unable to find PostScript name\n");
HeapFree(GetProcessHeap(), 0, name);
}
}
len = strlen((char*)potm + (ptrdiff_t)potm->otmpFullName) + 1;
*str = HeapAlloc(GetProcessHeap(),0,len);
strcpy(*str, (char*)potm + (ptrdiff_t)potm->otmpFullName);
p = *str;
while((p = strchr(p, ' ')))
*p = '_';
return;
}
