| /* |
| * This file is part of the internal font implementation. |
| * It should not be included by source files outside of it. |
| * |
| * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef FontPlatformData_h |
| #define FontPlatformData_h |
| |
| #include "StringImpl.h" |
| |
| #ifdef __OBJC__ |
| @class NSFont; |
| #else |
| class NSFont; |
| #endif |
| |
| typedef struct CGFont* CGFontRef; |
| #ifndef BUILDING_ON_TIGER |
| typedef const struct __CTFont* CTFontRef; |
| #endif |
| |
| #include <CoreFoundation/CFBase.h> |
| #include <objc/objc-auto.h> |
| #include <wtf/RetainPtr.h> |
| |
| typedef UInt32 ATSUFontID; |
| |
| namespace WebCore { |
| |
| class String; |
| |
| #ifndef BUILDING_ON_TIGER |
| inline CTFontRef toCTFontRef(NSFont *nsFont) { return reinterpret_cast<CTFontRef>(nsFont); } |
| #endif |
| |
| struct FontPlatformData { |
| FontPlatformData(float size, bool syntheticBold, bool syntheticOblique) |
| : m_syntheticBold(syntheticBold) |
| , m_syntheticOblique(syntheticOblique) |
| , m_atsuFontID(0) |
| , m_size(size) |
| , m_font(0) |
| #ifdef BUILDING_ON_TIGER |
| , m_cgFont(0) |
| #endif |
| { |
| } |
| |
| FontPlatformData(NSFont *nsFont, bool syntheticBold = false, bool syntheticOblique = false); |
| |
| FontPlatformData(CGFontRef cgFont, ATSUFontID fontID, float size, bool syntheticBold, bool syntheticOblique) |
| : m_syntheticBold(syntheticBold) |
| , m_syntheticOblique(syntheticOblique) |
| , m_atsuFontID(fontID) |
| , m_size(size) |
| , m_font(0) |
| , m_cgFont(cgFont) |
| { |
| } |
| |
| FontPlatformData(const FontPlatformData&); |
| |
| ~FontPlatformData(); |
| |
| FontPlatformData(WTF::HashTableDeletedValueType) : m_font(hashTableDeletedFontValue()) { } |
| bool isHashTableDeletedValue() const { return m_font == hashTableDeletedFontValue(); } |
| |
| float size() const { return m_size; } |
| bool syntheticBold() const { return m_syntheticBold; } |
| bool syntheticOblique() const { return m_syntheticOblique; } |
| |
| bool m_syntheticBold; |
| bool m_syntheticOblique; |
| |
| ATSUFontID m_atsuFontID; |
| float m_size; |
| |
| unsigned hash() const |
| { |
| ASSERT(m_font != 0 || m_cgFont == 0); |
| uintptr_t hashCodes[2] = { (uintptr_t)m_font, m_syntheticBold << 1 | m_syntheticOblique }; |
| return StringImpl::computeHash(reinterpret_cast<UChar*>(hashCodes), sizeof(hashCodes) / sizeof(UChar)); |
| } |
| |
| const FontPlatformData& operator=(const FontPlatformData& f); |
| |
| bool operator==(const FontPlatformData& other) const |
| { |
| return m_font == other.m_font && m_syntheticBold == other.m_syntheticBold && m_syntheticOblique == other.m_syntheticOblique && |
| m_cgFont == other.m_cgFont && m_size == other.m_size && m_atsuFontID == other.m_atsuFontID; |
| } |
| |
| NSFont *font() const { return m_font; } |
| void setFont(NSFont *font); |
| |
| bool roundsGlyphAdvances() const; |
| bool allowsLigatures() const; |
| |
| #ifndef BUILDING_ON_TIGER |
| CGFontRef cgFont() const { return m_cgFont.get(); } |
| #else |
| CGFontRef cgFont() const { return m_cgFont; } |
| #endif |
| |
| #ifndef NDEBUG |
| String description() const; |
| #endif |
| |
| private: |
| static NSFont *hashTableDeletedFontValue() { return reinterpret_cast<NSFont *>(-1); } |
| |
| NSFont *m_font; |
| #ifndef BUILDING_ON_TIGER |
| RetainPtr<CGFontRef> m_cgFont; |
| #else |
| CGFontRef m_cgFont; // It is not necessary to refcount this, since either an NSFont owns it or some CachedFont has it referenced. |
| #endif |
| }; |
| |
| } |
| |
| #endif |