SVGTransformValue.h [plain text]
#pragma once
#include "FloatPoint.h"
#include "SVGMatrixValue.h"
namespace WebCore {
class FloatSize;
class SVGTransformValue {
public:
enum SVGTransformType {
SVG_TRANSFORM_UNKNOWN = 0,
SVG_TRANSFORM_MATRIX = 1,
SVG_TRANSFORM_TRANSLATE = 2,
SVG_TRANSFORM_SCALE = 3,
SVG_TRANSFORM_ROTATE = 4,
SVG_TRANSFORM_SKEWX = 5,
SVG_TRANSFORM_SKEWY = 6
};
enum ConstructionMode {
ConstructIdentityTransform,
ConstructZeroTransform
};
SVGTransformValue();
SVGTransformValue(SVGTransformType, ConstructionMode = ConstructIdentityTransform);
explicit SVGTransformValue(const AffineTransform&);
SVGTransformType type() const { return m_type; }
SVGMatrixValue& svgMatrix() { return static_cast<SVGMatrixValue&>(m_matrix); }
AffineTransform matrix() const { return m_matrix; }
void updateSVGMatrix();
float angle() const { return m_angle; }
FloatPoint rotationCenter() const { return m_center; }
void setMatrix(const AffineTransform&);
void setTranslate(float tx, float ty);
void setScale(float sx, float sy);
void setRotate(float angle, float cx, float cy);
void setSkewX(float angle);
void setSkewY(float angle);
FloatPoint translate() const;
FloatSize scale() const;
bool isValid() const { return m_type != SVG_TRANSFORM_UNKNOWN; }
String valueAsString() const;
static const String& transformTypePrefixForParsing(SVGTransformType);
private:
friend bool operator==(const SVGTransformValue&, const SVGTransformValue&);
SVGTransformType m_type { SVG_TRANSFORM_UNKNOWN };
float m_angle { 0 };
FloatPoint m_center;
AffineTransform m_matrix;
};
inline bool operator==(const SVGTransformValue& a, const SVGTransformValue& b)
{
return a.m_type == b.m_type && a.m_angle == b.m_angle && a.m_matrix == b.m_matrix;
}
inline bool operator!=(const SVGTransformValue& a, const SVGTransformValue& b)
{
return !(a == b);
}
}