FontPlatformData.h [plain text]
#ifndef FontPlatformData_h
#define FontPlatformData_h
#include "FontDescription.h"
#include "FontOrientation.h"
#include <QFont>
#include <QHash>
#if HAVE(QRAWFONT)
#include <QRawFont>
#endif
#include <wtf/Forward.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class FontPlatformDataPrivate : public RefCounted<FontPlatformDataPrivate> {
WTF_MAKE_NONCOPYABLE(FontPlatformDataPrivate); WTF_MAKE_FAST_ALLOCATED;
public:
FontPlatformDataPrivate()
#if !HAVE(QRAWFONT)
: size(font.pixelSize())
, bold(font.bold())
#else
: size(0)
, bold(false)
#endif
, oblique(false)
, isDeletedValue(false)
{ }
FontPlatformDataPrivate(const float size, const bool bold, const bool oblique)
: size(size)
, bold(bold)
, oblique(oblique)
, isDeletedValue(false)
{ }
#if !HAVE(QRAWFONT)
FontPlatformDataPrivate(const QFont& font)
: font(font)
, size(font.pixelSize())
, bold(font.bold())
, oblique(false)
, isDeletedValue(false)
{ }
#else
FontPlatformDataPrivate(const QRawFont& rawFont)
: rawFont(rawFont)
, size(rawFont.pixelSize())
, bold(rawFont.weight() >= QFont::Bold)
, oblique(false)
, isDeletedValue(false)
{ }
#endif
FontPlatformDataPrivate(WTF::HashTableDeletedValueType)
: isDeletedValue(true)
{ }
#if !HAVE(QRAWFONT)
QFont font;
#else
QRawFont rawFont;
#endif
float size;
bool bold : 1;
bool oblique : 1;
bool isDeletedValue : 1;
};
class FontPlatformData {
WTF_MAKE_FAST_ALLOCATED;
public:
FontPlatformData(float size, bool bold, bool oblique);
FontPlatformData(const FontDescription&, const AtomicString& familyName, int wordSpacing = 0, int letterSpacing = 0);
#if !HAVE(QRAWFONT)
FontPlatformData(const QFont& font)
: m_data(adoptRef(new FontPlatformDataPrivate(font)))
{ }
#else
FontPlatformData(const FontPlatformData&, float size);
FontPlatformData(const QRawFont& rawFont)
: m_data(adoptRef(new FontPlatformDataPrivate(rawFont)))
{ }
#endif
FontPlatformData(WTF::HashTableDeletedValueType)
: m_data(adoptRef(new FontPlatformDataPrivate()))
{
m_data->isDeletedValue = true;
}
bool operator==(const FontPlatformData&) const;
bool isHashTableDeletedValue() const
{
return m_data && m_data->isDeletedValue;
}
#if !HAVE(QRAWFONT)
QFont font() const
{
Q_ASSERT(!isHashTableDeletedValue());
if (!m_data)
return QFont();
return m_data->font;
}
#else
QRawFont rawFont() const
{
Q_ASSERT(!isHashTableDeletedValue());
if (!m_data)
return QRawFont();
return m_data->rawFont;
}
#endif
float size() const
{
Q_ASSERT(!isHashTableDeletedValue());
if (!m_data)
return 0;
return m_data->size;
}
FontOrientation orientation() const { return Horizontal; } void setOrientation(FontOrientation) { }
unsigned hash() const;
#ifndef NDEBUG
String description() const;
#endif
private:
RefPtr<FontPlatformDataPrivate> m_data;
};
}
#endif // FontPlatformData_h