#ifndef SVGTextMetrics_h
#define SVGTextMetrics_h
#include <wtf/text/WTFString.h>
namespace WebCore {
class RenderSVGInlineText;
class SVGTextLayoutAttributes;
class TextRun;
class SVGTextMetrics {
public:
enum MetricsType { SkippedSpaceMetrics };
SVGTextMetrics();
explicit SVGTextMetrics(MetricsType);
SVGTextMetrics(RenderSVGInlineText&, unsigned position, unsigned length, float width, const String& glyphName);
static SVGTextMetrics measureCharacterRange(RenderSVGInlineText&, unsigned position, unsigned length);
static TextRun constructTextRun(RenderSVGInlineText&, unsigned position = 0, unsigned length = std::numeric_limits<unsigned>::max());
bool isEmpty() const { return !m_width && !m_height && !m_glyph.isValid && m_length == 1; }
float width() const { return m_width; }
void setWidth(float width) { m_width = width; }
float height() const { return m_height; }
unsigned length() const { return m_length; }
struct Glyph {
Glyph()
: isValid(false)
{
}
bool operator==(const Glyph& other)
{
return isValid == other.isValid
&& name == other.name
&& unicodeString == other.unicodeString;
}
bool isValid;
String name;
String unicodeString;
};
const Glyph& glyph() const { return m_glyph; }
private:
SVGTextMetrics(RenderSVGInlineText&, const TextRun&);
float m_width;
float m_height;
unsigned m_length;
Glyph m_glyph;
};
}
#endif