author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Mon, 30 Mar 2009 12:54:55 +0300 | |
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permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2003-6 Apple Computer, Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef Color_h |
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#define Color_h |
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#include <wtf/Platform.h> |
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#if PLATFORM(CG) |
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typedef struct CGColor* CGColorRef; |
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#endif |
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#if PLATFORM(QT) |
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class QColor; |
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#endif |
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namespace WebCore { |
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class String; |
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class Color; |
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typedef unsigned RGBA32; // RGBA quadruplet |
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RGBA32 makeRGB(int r, int g, int b); |
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RGBA32 makeRGBA(int r, int g, int b, int a); |
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RGBA32 makeRGBAFromHSLA(double h, double s, double l, double a); |
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int differenceSquared(const Color&, const Color&); |
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class Color { |
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public: |
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Color() : m_color(0), m_valid(false) { } |
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Color(RGBA32 col) : m_color(col), m_valid(true) { } |
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Color(int r, int g, int b) : m_color(makeRGB(r, g, b)), m_valid(true) { } |
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Color(int r, int g, int b, int a) : m_color(makeRGBA(r, g, b, a)), m_valid(true) { } |
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explicit Color(const String&); |
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explicit Color(const char*); |
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String name() const; |
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void setNamedColor(const String&); |
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bool isValid() const { return m_valid; } |
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bool hasAlpha() const { return alpha() < 255; } |
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int red() const { return (m_color >> 16) & 0xFF; } |
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int green() const { return (m_color >> 8) & 0xFF; } |
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int blue() const { return m_color & 0xFF; } |
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int alpha() const { return (m_color >> 24) & 0xFF; } |
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RGBA32 rgb() const { return m_color; } // Preserve the alpha. |
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void setRGB(int r, int g, int b) { m_color = makeRGB(r, g, b); m_valid = true; } |
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void setRGB(RGBA32 rgb) { m_color = rgb; m_valid = true; } |
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void getRGBA(float& r, float& g, float& b, float& a) const; |
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void getRGBA(double& r, double& g, double& b, double& a) const; |
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Color light() const; |
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Color dark() const; |
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Color blend(const Color&) const; |
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Color blendWithWhite() const; |
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#if PLATFORM(QT) |
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Color(const QColor&); |
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operator QColor() const; |
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#endif |
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static bool parseHexColor(const String& name, RGBA32& rgb); |
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static const RGBA32 black = 0xFF000000; |
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static const RGBA32 white = 0xFFFFFFFF; |
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static const RGBA32 darkGray = 0xFF808080; |
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static const RGBA32 gray = 0xFFA0A0A0; |
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static const RGBA32 lightGray = 0xFFC0C0C0; |
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static const RGBA32 transparent = 0x00000000; |
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private: |
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RGBA32 m_color; |
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bool m_valid : 1; |
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}; |
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inline bool operator==(const Color& a, const Color& b) |
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{ |
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return a.rgb() == b.rgb() && a.isValid() == b.isValid(); |
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} |
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inline bool operator!=(const Color& a, const Color& b) |
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{ |
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return !(a == b); |
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} |
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Color focusRingColor(); |
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void setFocusRingColorChangeFunction(void (*)()); |
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#if PLATFORM(CG) |
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CGColorRef cgColor(const Color&); |
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#endif |
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} // namespace WebCore |
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#endif // Color_h |