| /* |
| * Copyright (C) 2006 Kevin Ollivier All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef FontPlatformData_H |
| #define FontPlatformData_H |
| |
| #include "FontDescription.h" |
| #include "CString.h" |
| #include "AtomicString.h" |
| #include "StringImpl.h" |
| |
| #include <wx/defs.h> |
| #include <wx/font.h> |
| |
| namespace WebCore { |
| |
| class FontPlatformData { |
| public: |
| class Deleted {}; |
| |
| enum FontState { UNINITIALIZED, DELETED, VALID }; |
| |
| FontPlatformData(Deleted) |
| : m_fontState(DELETED) |
| { } |
| |
| ~FontPlatformData(); |
| |
| FontPlatformData(wxFont f) |
| : m_font(f) |
| , m_fontState(VALID) |
| { |
| m_fontHash = computeHash(); |
| } |
| |
| FontPlatformData(const FontDescription&, const AtomicString&); |
| |
| FontPlatformData() |
| : m_fontState(UNINITIALIZED) |
| { |
| } |
| |
| wxFont font() const { |
| return m_font; |
| } |
| |
| unsigned hash() const { |
| switch (m_fontState) { |
| case DELETED: |
| return -1; |
| case UNINITIALIZED: |
| return 0; |
| case VALID: |
| return m_fontHash; |
| } |
| } |
| |
| bool operator==(const FontPlatformData& other) const |
| { |
| if (m_fontState == VALID) |
| return other.m_fontState == VALID && m_font.Ok() && other.m_font.Ok() && m_font.IsSameAs(other.m_font); |
| else |
| return m_fontState == other.m_fontState; |
| } |
| |
| unsigned computeHash() const { |
| wxCharBuffer charBuffer(m_font.GetNativeFontInfoDesc().mb_str(wxConvUTF8)); |
| const char* contents = charBuffer; |
| return StringImpl::computeHash( (UChar*)contents, strlen(contents)); |
| } |
| |
| private: |
| wxFont m_font; |
| FontState m_fontState; |
| unsigned m_fontHash; |
| }; |
| |
| } |
| |
| #endif |