diff options
Diffstat (limited to 'WebCore/platform/graphics/win/FontPlatformDataWin.cpp')
| -rw-r--r-- | WebCore/platform/graphics/win/FontPlatformDataWin.cpp | 108 |
1 files changed, 94 insertions, 14 deletions
diff --git a/WebCore/platform/graphics/win/FontPlatformDataWin.cpp b/WebCore/platform/graphics/win/FontPlatformDataWin.cpp index f209dbf..a5fab36 100644 --- a/WebCore/platform/graphics/win/FontPlatformDataWin.cpp +++ b/WebCore/platform/graphics/win/FontPlatformDataWin.cpp @@ -2,8 +2,7 @@ * This file is part of the internal font implementation. It should not be included by anyone other than * FontMac.cpp, FontWin.cpp and Font.cpp. * - * Copyright (C) 2006, 2007, 2008 Apple Inc. - * Copyright (C) 2008 Brent Fulgham + * Copyright (C) 2006, 2007 Apple Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public @@ -27,6 +26,7 @@ #include "PlatformString.h" #include "StringHash.h" +#include <ApplicationServices/ApplicationServices.h> #include <wtf/HashMap.h> #include <wtf/RetainPtr.h> #include <wtf/Vector.h> @@ -39,6 +39,77 @@ static const int Bold = (1 << 0); static const int Italic = (1 << 1); static const int BoldOblique = (1 << 2); +static inline USHORT readBigEndianWord(const BYTE* word) { return (word[0] << 8) | word[1]; } + +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(); +} + static int CALLBACK enumStylesCallback(const LOGFONT* logFont, const TEXTMETRIC* metrics, DWORD fontType, LPARAM lParam) { int *style = reinterpret_cast<int*>(lParam); @@ -60,12 +131,7 @@ static int CALLBACK enumStylesCallback(const LOGFONT* logFont, const TEXTMETRIC* FontPlatformData::FontPlatformData(HFONT font, float size, bool bold, bool oblique, bool useGDI) : m_font(font) , m_size(size) -#if PLATFORM(CG) , m_cgFont(0) -#elif PLATFORM(CAIRO) - , m_fontFace(0) - , m_scaledFont(0) -#endif , m_syntheticBold(false) , m_syntheticOblique(false) , m_useGDI(useGDI) @@ -113,8 +179,17 @@ FontPlatformData::FontPlatformData(HFONT font, float size, bool bold, bool obliq m_syntheticOblique = true; } - platformDataInit(font, size, hdc, faceName); - + // Try the face name first. Windows may end up localizing this name, and CG doesn't know about + // the localization. If the create fails, we'll try the PostScript name. + RetainPtr<CFStringRef> fullName(AdoptCF, CFStringCreateWithCharacters(NULL, (const UniChar*)faceName, wcslen(faceName))); + m_cgFont = CGFontCreateWithFontName(fullName.get()); + if (!m_cgFont) { + CFStringRef postScriptName = getPostScriptName(fullName.get(), hdc); + if (postScriptName) { + m_cgFont = CGFontCreateWithFontName(postScriptName); + ASSERT(m_cgFont); + } + } free(metrics); } @@ -125,12 +200,17 @@ FontPlatformData::FontPlatformData(HFONT font, float size, bool bold, bool obliq FontPlatformData::FontPlatformData(float size, bool bold, bool oblique) : m_font(0) , m_size(size) -#if PLATFORM(CG) , m_cgFont(0) -#elif PLATFORM(CAIRO) - , m_fontFace(0) - , m_scaledFont(0) -#endif + , m_syntheticBold(bold) + , m_syntheticOblique(oblique) + , m_useGDI(false) +{ +} + +FontPlatformData::FontPlatformData(CGFontRef font, float size, bool bold, bool oblique) + : m_font(0) + , m_size(size) + , m_cgFont(font) , m_syntheticBold(bold) , m_syntheticOblique(oblique) , m_useGDI(false) |