#ifndef FontRanges_h
#define FontRanges_h
#include "Font.h"
#include <wtf/TypeCasts.h>
#include <wtf/Vector.h>
namespace WebCore {
class FontAccessor;
class FontRanges {
public:
struct Range {
Range(UChar32 from, UChar32 to, Ref<FontAccessor>&& fontAccessor)
: m_from(from)
, m_to(to)
, m_fontAccessor(WTFMove(fontAccessor))
{
}
Range(const Range& range)
: m_from(range.m_from)
, m_to(range.m_to)
, m_fontAccessor(range.m_fontAccessor.copyRef())
{
}
Range(Range&&) = default;
Range& operator=(const Range&) = delete;
Range& operator=(Range&&) = default;
UChar32 from() const { return m_from; }
UChar32 to() const { return m_to; }
const Font* font() const;
const FontAccessor& fontAccessor() const { return m_fontAccessor; }
private:
UChar32 m_from;
UChar32 m_to;
Ref<FontAccessor> m_fontAccessor;
};
FontRanges();
explicit FontRanges(RefPtr<Font>&&);
~FontRanges();
FontRanges(const FontRanges&) = default;
FontRanges& operator=(FontRanges&&) = default;
bool isNull() const { return m_ranges.isEmpty(); }
void appendRange(Range&& range) { m_ranges.append(WTFMove(range)); }
unsigned size() const { return m_ranges.size(); }
const Range& rangeAt(unsigned i) const { return m_ranges[i]; }
GlyphData glyphDataForCharacter(UChar32) const;
WEBCORE_EXPORT const Font* fontForCharacter(UChar32) const;
WEBCORE_EXPORT const Font& fontForFirstRange() const;
bool isLoading() const;
private:
Vector<Range, 1> m_ranges;
};
}
#endif