#ifndef Color_h
#define Color_h
#include <wtf/Platform.h>
#if PLATFORM(CG)
typedef struct CGColor* CGColorRef;
typedef struct CGColorSpace* CGColorSpaceRef;
#endif
#if PLATFORM(QT)
#include <qglobal.h>
QT_BEGIN_NAMESPACE
class QColor;
QT_END_NAMESPACE
#endif
#if PLATFORM(GTK)
typedef struct _GdkColor GdkColor;
#endif
#if PLATFORM(WX)
class wxColour;
#endif
namespace WebCore {
class String;
class Color;
typedef unsigned RGBA32;
RGBA32 makeRGB(int r, int g, int b);
RGBA32 makeRGBA(int r, int g, int b, int a);
RGBA32 colorWithOverrideAlpha(RGBA32 color, float overrideAlpha);
RGBA32 makeRGBA32FromFloats(float r, float g, float b, float a);
RGBA32 makeRGBAFromHSLA(double h, double s, double l, double a);
RGBA32 makeRGBAFromCMYKA(float c, float m, float y, float k, float a);
int differenceSquared(const Color&, const Color&);
class Color {
public:
Color() : m_color(0), m_valid(false) { }
Color(RGBA32 col) : m_color(col), m_valid(true) { }
Color(int r, int g, int b) : m_color(makeRGB(r, g, b)), m_valid(true) { }
Color(int r, int g, int b, int a) : m_color(makeRGBA(r, g, b, a)), m_valid(true) { }
Color(float r, float g, float b, float a) : m_color(makeRGBA32FromFloats(r, g, b, a)), m_valid(true) { }
Color(float c, float m, float y, float k, float a) : m_color(makeRGBAFromCMYKA(c, m, y, k, a)), m_valid(true) { }
explicit Color(const String&);
explicit Color(const char*);
String name() const;
void setNamedColor(const String&);
bool isValid() const { return m_valid; }
bool hasAlpha() const { return alpha() < 255; }
int red() const { return (m_color >> 16) & 0xFF; }
int green() const { return (m_color >> 8) & 0xFF; }
int blue() const { return m_color & 0xFF; }
int alpha() const { return (m_color >> 24) & 0xFF; }
RGBA32 rgb() const { return m_color; } void setRGB(int r, int g, int b) { m_color = makeRGB(r, g, b); m_valid = true; }
void setRGB(RGBA32 rgb) { m_color = rgb; m_valid = true; }
void getRGBA(float& r, float& g, float& b, float& a) const;
void getRGBA(double& r, double& g, double& b, double& a) const;
void getHSL(double& h, double& s, double& l) const;
Color light() const;
Color dark() const;
bool isDark() const;
Color blend(const Color&) const;
Color blendWithWhite() const;
#if PLATFORM(QT)
Color(const QColor&);
operator QColor() const;
#endif
#if PLATFORM(GTK)
Color(const GdkColor&);
#endif
#if PLATFORM(WX)
Color(const wxColour&);
operator wxColour() const;
#endif
#if PLATFORM(CG)
Color(CGColorRef);
#endif
static bool parseHexColor(const String& name, RGBA32& rgb);
static const RGBA32 black = 0xFF000000;
static const RGBA32 white = 0xFFFFFFFF;
static const RGBA32 darkGray = 0xFF808080;
static const RGBA32 gray = 0xFFA0A0A0;
static const RGBA32 lightGray = 0xFFC0C0C0;
static const RGBA32 transparent = 0x00000000;
static const RGBA32 tap = 0x4D1A1A1A;
static const RGBA32 compositionFill = 0x3CAFC0E3;
static const RGBA32 compositionFrame = 0x3C4D80B4;
static const RGBA32 cyan = 0xFF00FFFF;
private:
RGBA32 m_color;
bool m_valid;
};
inline bool operator==(const Color& a, const Color& b)
{
return a.rgb() == b.rgb() && a.isValid() == b.isValid();
}
inline bool operator!=(const Color& a, const Color& b)
{
return !(a == b);
}
Color colorFromPremultipliedARGB(unsigned);
unsigned premultipliedARGBFromColor(const Color&);
#if PLATFORM(CG)
CGColorRef createCGColor(const Color&);
CGColorRef createCGColorWithDeviceWhite(CGFloat w, CGFloat a);
CGColorSpaceRef deviceRGBColorSpace();
#endif
}
#endif // Color_h