RenderCombineText.h [plain text]
#ifndef RenderCombineText_h
#define RenderCombineText_h
#include "FontCascade.h"
#include "RenderElement.h"
#include "RenderText.h"
#include "Text.h"
namespace WebCore {
class RenderCombineText final : public RenderText {
public:
RenderCombineText(Text&, const String&);
Text& textNode() const { return downcast<Text>(nodeForNonAnonymous()); }
void combineText();
Optional<FloatPoint> computeTextOrigin(const FloatRect& boxRect) const;
void getStringToRender(int, String&, int& length) const;
bool isCombined() const { return m_isCombined; }
float combinedTextWidth(const FontCascade& font) const { return font.size(); }
const FontCascade& originalFont() const { return parent()->style().fontCascade(); }
const FontCascade& textCombineFont() const { return m_combineFontStyle->fontCascade(); }
private:
void node() const = delete;
bool isCombineText() const override { return true; }
float width(unsigned from, unsigned length, const FontCascade&, float xPosition, HashSet<const Font*>* fallbackFonts = 0, GlyphOverflow* = 0) const override;
const char* renderName() const override { return "RenderCombineText"; }
void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
void setRenderedText(const String&) override;
std::unique_ptr<RenderStyle> m_combineFontStyle;
float m_combinedTextWidth { 0 };
float m_combinedTextAscent { 0 };
float m_combinedTextDescent { 0 };
bool m_isCombined : 1;
bool m_needsFontUpdate : 1;
};
}
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderCombineText, isCombineText())
#endif // RenderCombineText_h