Index: Source/core/platform/graphics/Color.h |
diff --git a/Source/core/platform/graphics/Color.h b/Source/core/platform/graphics/Color.h |
deleted file mode 100644 |
index 28983edee2bc1e2f587800208bbf1ea7c01bba56..0000000000000000000000000000000000000000 |
--- a/Source/core/platform/graphics/Color.h |
+++ /dev/null |
@@ -1,169 +0,0 @@ |
-/* |
- * Copyright (C) 2003, 2004, 2005, 2006, 2010 Apple Inc. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions |
- * are met: |
- * 1. Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * 2. Redistributions in binary form must reproduce the above copyright |
- * notice, this list of conditions and the following disclaimer in the |
- * documentation and/or other materials provided with the distribution. |
- * |
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#ifndef Color_h |
-#define Color_h |
- |
-#include "platform/animation/AnimationUtilities.h" |
-#include "wtf/FastAllocBase.h" |
-#include "wtf/Forward.h" |
-#include "wtf/unicode/Unicode.h" |
- |
-namespace WebCore { |
- |
-class Color; |
- |
-typedef unsigned RGBA32; // RGBA quadruplet |
- |
-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&); |
- |
-inline int redChannel(RGBA32 color) { return (color >> 16) & 0xFF; } |
-inline int greenChannel(RGBA32 color) { return (color >> 8) & 0xFF; } |
-inline int blueChannel(RGBA32 color) { return color & 0xFF; } |
-inline int alphaChannel(RGBA32 color) { return (color >> 24) & 0xFF; } |
- |
-class Color { |
- WTF_MAKE_FAST_ALLOCATED; |
-public: |
- Color() : m_color(0), m_valid(false) { } |
- Color(RGBA32 color, bool valid = true) : m_color(color), m_valid(valid) { ASSERT(!m_color || m_valid); } |
- 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 is currently limited to 32bit RGBA, perhaps some day we'll support better colors |
- Color(float r, float g, float b, float a) : m_color(makeRGBA32FromFloats(r, g, b, a)), m_valid(true) { } |
- // Creates a new color from the specific CMYK and alpha values. |
- 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*); |
- |
- static Color createUnchecked(int r, int g, int b) |
- { |
- RGBA32 color = 0xFF000000 | r << 16 | g << 8 | b; |
- return Color(color); |
- } |
- static Color createUnchecked(int r, int g, int b, int a) |
- { |
- RGBA32 color = a << 24 | r << 16 | g << 8 | b; |
- return Color(color); |
- } |
- |
- // Returns the color serialized according to HTML5 |
- // - http://www.whatwg.org/specs/web-apps/current-work/#serialization-of-a-color |
- String serialized() const; |
- |
- // Returns the color serialized as either #RRGGBB or #RRGGBBAA |
- // The latter format is not a valid CSS color, and should only be seen in DRT dumps. |
- String nameForRenderTreeAsText() const; |
- |
- void setNamedColor(const String&); |
- |
- bool isValid() const { return m_valid; } |
- |
- bool hasAlpha() const { return alpha() < 255; } |
- |
- int red() const { return redChannel(m_color); } |
- int green() const { return greenChannel(m_color); } |
- int blue() const { return blueChannel(m_color); } |
- int alpha() const { return alphaChannel(m_color); } |
- |
- RGBA32 rgb() const { return m_color; } // Preserve the alpha. |
- 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; |
- |
- // This is an implementation of Porter-Duff's "source-over" equation |
- Color blend(const Color&) const; |
- Color blendWithWhite() const; |
- |
- static bool parseHexColor(const String&, RGBA32&); |
- static bool parseHexColor(const LChar*, unsigned, RGBA32&); |
- static bool parseHexColor(const UChar*, unsigned, RGBA32&); |
- |
- 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; |
- |
-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(RGBA32); |
-RGBA32 premultipliedARGBFromColor(const Color&); |
- |
-inline Color blend(const Color& from, const Color& to, double progress, bool blendPremultiplied = true) |
-{ |
- // We need to preserve the state of the valid flag at the end of the animation |
- if (progress == 1 && !to.isValid()) |
- return Color(); |
- |
- if (blendPremultiplied) { |
- // Contrary to the name, RGBA32 actually stores ARGB, so we can initialize Color directly from premultipliedARGBFromColor(). |
- // Also, premultipliedARGBFromColor() bails on zero alpha, so special-case that. |
- Color premultFrom = from.alpha() ? premultipliedARGBFromColor(from) : 0; |
- Color premultTo = to.alpha() ? premultipliedARGBFromColor(to) : 0; |
- |
- Color premultBlended(blend(premultFrom.red(), premultTo.red(), progress), |
- blend(premultFrom.green(), premultTo.green(), progress), |
- blend(premultFrom.blue(), premultTo.blue(), progress), |
- blend(premultFrom.alpha(), premultTo.alpha(), progress)); |
- |
- return Color(colorFromPremultipliedARGB(premultBlended.rgb())); |
- } |
- |
- return Color(blend(from.red(), to.red(), progress), |
- blend(from.green(), to.green(), progress), |
- blend(from.blue(), to.blue(), progress), |
- blend(from.alpha(), to.alpha(), progress)); |
-} |
-} // namespace WebCore |
- |
-#endif // Color_h |