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/*
* 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 "FontWidthVariant.h"
#include "FontOrientation.h"
#include "StringImpl.h"
#include <wtf/Forward.h>
#include <wtf/RefPtr.h>
#include <wtf/text/AtomicString.h>
#include <wtf/text/CString.h>
#include <wx/defs.h>
#include <wx/font.h>
#include <wx/gdicmn.h>
#if OS(DARWIN)
#include <ApplicationServices/ApplicationServices.h>
#if __OBJC__
@class NSFont;
#else
class NSFont;
#endif
#ifndef BUILDING_ON_TIGER
inline CTFontRef toCTFontRef(NSFont *nsFont) { return reinterpret_cast<CTFontRef>(nsFont); }
#endif
#endif
namespace WebCore {
class FontHolder: public WTF::RefCounted<FontHolder>
{
public:
FontHolder()
: m_font(0)
{}
FontHolder(wxFont* font)
: m_font(font)
{}
wxFont* font() { return m_font; }
private:
wxFont* m_font;
};
class FontPlatformData {
public:
enum FontState { UNINITIALIZED, DELETED, VALID };
FontPlatformData(WTF::HashTableDeletedValueType)
: m_fontState(DELETED)
, m_font(0)
, m_size(0)
#if OS(DARWIN)
, m_atsuFontID(0)
#endif
{ }
~FontPlatformData();
FontPlatformData(const FontDescription&, const AtomicString&);
FontPlatformData(float size, bool bold, bool italic)
: m_fontState(UNINITIALIZED)
, m_font(0)
, m_size(size)
#if OS(DARWIN)
, m_atsuFontID(0)
#endif
{
}
FontPlatformData()
: m_fontState(UNINITIALIZED)
, m_font(0)
, m_size(0)
#if OS(DARWIN)
, m_atsuFontID(0)
#endif
{
}
wxFont* font() const {
return m_font->font();
}
unsigned hash() const {
switch (m_fontState) {
case DELETED:
return -1;
case UNINITIALIZED:
return 0;
case VALID:
return computeHash();
}
}
unsigned computeHash() const;
float size() const { return m_size; }
bool operator==(const FontPlatformData& other) const
{
if (m_font && m_fontState == VALID && other.m_fontState == VALID && other.m_font) {
wxFont* thisFont = m_font->font();
wxFont* otherFont = other.m_font->font();
return thisFont->IsOk() && otherFont->IsOk() && thisFont->IsSameAs(*otherFont);
}
else
return m_fontState == other.m_fontState;
}
bool isHashTableDeletedValue() const { return m_fontState == DELETED; }
bool roundsGlyphAdvances() const { return false; }
bool allowsLigatures() const { return false; }
FontOrientation orientation() const { return Horizontal; } // FIXME: Implement.
// We don't support this yet, so just return the default value for now.
FontWidthVariant widthVariant() const { return RegularWidth; }
#if OS(WINDOWS)
bool useGDI() const;
HFONT hfont() const;
#endif
#if OS(DARWIN)
ATSUFontID m_atsuFontID;
CGFontRef cgFont() const;
NSFont* nsFont() const { return m_nsFont; }
CTFontRef ctFont() const { return reinterpret_cast<CTFontRef>(m_nsFont); }
void cacheNSFont();
#endif
float m_size;
#ifndef NDEBUG
String description() const;
#endif
private:
WTF::RefPtr<FontHolder> m_font;
FontState m_fontState;
#if OS(DARWIN)
NSFont* m_nsFont;
#endif
};
}
#endif
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