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26 #ifndef CSSGradientValue_h
27 #define CSSGradientValue_h
29 #include "CSSImageGeneratorValue.h"
30 #include "CSSPrimitiveValue.h"
31 #include <wtf/RefPtr.h>
32 #include <wtf/Vector.h>
39 enum CSSGradientType { CSSLinearGradient, CSSRadialGradient };
41 struct CSSGradientColorStop {
42 CSSGradientColorStop()
48 RefPtr<CSSPrimitiveValue> m_color;
51 class CSSGradientValue : public CSSImageGeneratorValue {
53 static PassRefPtr<CSSGradientValue> create()
55 return adoptRef(new CSSGradientValue);
58 virtual String cssText() const;
60 virtual Image* image(RenderObject*, const IntSize&);
62 CSSGradientType type() const { return m_type; }
63 void setType(CSSGradientType type) { m_type = type; }
65 void setFirstX(PassRefPtr<CSSPrimitiveValue> val) { m_firstX = val; }
66 void setFirstY(PassRefPtr<CSSPrimitiveValue> val) { m_firstY = val; }
67 void setSecondX(PassRefPtr<CSSPrimitiveValue> val) { m_secondX = val; }
68 void setSecondY(PassRefPtr<CSSPrimitiveValue> val) { m_secondY = val; }
70 void setFirstRadius(PassRefPtr<CSSPrimitiveValue> val) { m_firstRadius = val; }
71 void setSecondRadius(PassRefPtr<CSSPrimitiveValue> val) { m_secondRadius = val; }
73 void addStop(const CSSGradientColorStop& stop) { m_stops.append(stop); }
75 void sortStopsIfNeeded();
79 : m_type(CSSLinearGradient)
80 , m_stopsSorted(false)
84 // Create the gradient for a given size.
85 PassRefPtr<Gradient> createGradient(RenderObject*, const IntSize&);
87 // Resolve points/radii to front end values.
88 FloatPoint resolvePoint(CSSPrimitiveValue*, CSSPrimitiveValue*, const IntSize&, float zoomFactor);
89 float resolveRadius(CSSPrimitiveValue*, float zoomFactor);
92 CSSGradientType m_type;
95 RefPtr<CSSPrimitiveValue> m_firstX;
96 RefPtr<CSSPrimitiveValue> m_firstY;
98 RefPtr<CSSPrimitiveValue> m_secondX;
99 RefPtr<CSSPrimitiveValue> m_secondY;
101 // Radii (for radial gradients only)
102 RefPtr<CSSPrimitiveValue> m_firstRadius;
103 RefPtr<CSSPrimitiveValue> m_secondRadius;
106 Vector<CSSGradientColorStop> m_stops;
110 } // namespace WebCore
112 #endif // CSSGradientValue_h