FontPlatformData.h [plain text]
#ifndef FontPlatformData_H
#define FontPlatformData_H
#include "FontDescription.h"
#include "AtomicString.h"
#include "CString.h"
#include "StringImpl.h"
#include <wtf/RefPtr.h>
#include <wx/defs.h>
#include <wx/font.h>
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)
{ }
~FontPlatformData();
FontPlatformData(const FontDescription&, const AtomicString&);
FontPlatformData(float size, bool bold, bool italic)
: m_fontState(UNINITIALIZED)
, m_font(0)
{
}
FontPlatformData()
: m_fontState(UNINITIALIZED)
, m_font(0)
{
}
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;
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; }
private:
WTF::RefPtr<FontHolder> m_font;
FontState m_fontState;
};
}
#endif