diff -r 000000000000 -r 4f2f89ce4247 WebCore/html/canvas/CanvasStyle.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/html/canvas/CanvasStyle.h Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,91 @@ +/* + * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. + * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) + * + * 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 CanvasStyle_h +#define CanvasStyle_h + +#include "Color.h" +#include "PlatformString.h" + +namespace WebCore { + + class CanvasGradient; + class CanvasPattern; + class GraphicsContext; + + class CanvasStyle : public RefCounted { + public: + static PassRefPtr create(RGBA32 rgba) { return adoptRef(new CanvasStyle(rgba)); } + static PassRefPtr create(const String& color); + static PassRefPtr create(const String& color, float alpha); + static PassRefPtr create(float grayLevel) { return adoptRef(new CanvasStyle(grayLevel)); } + static PassRefPtr create(float grayLevel, float alpha) { return adoptRef(new CanvasStyle(grayLevel, alpha)); } + static PassRefPtr create(float r, float g, float b, float a) { return adoptRef(new CanvasStyle(r, g, b, a)); } + static PassRefPtr create(float c, float m, float y, float k, float a) { return adoptRef(new CanvasStyle(c, m, y, k, a)); } + static PassRefPtr create(PassRefPtr gradient); + static PassRefPtr create(PassRefPtr pattern); + + String color() const { return Color(m_rgba).serialized(); } + CanvasGradient* canvasGradient() const { return m_gradient.get(); } + CanvasPattern* canvasPattern() const { return m_pattern.get(); } + + void applyFillColor(GraphicsContext*); + void applyStrokeColor(GraphicsContext*); + + bool isEquivalentColor(const CanvasStyle&) const; + + private: + CanvasStyle(RGBA32 rgba); + CanvasStyle(float grayLevel); + CanvasStyle(float grayLevel, float alpha); + CanvasStyle(float r, float g, float b, float a); + CanvasStyle(float c, float m, float y, float k, float a); + CanvasStyle(PassRefPtr); + CanvasStyle(PassRefPtr); + + enum Type { RGBA, CMYKA, Gradient, ImagePattern }; + + Type m_type; + + RGBA32 m_rgba; + + RefPtr m_gradient; + RefPtr m_pattern; + + struct CMYKAValues { + CMYKAValues() {} + CMYKAValues(float cyan, float magenta, float yellow, float black, float alpha) : c(cyan), m(magenta), y(yellow), k(black), a(alpha) {} + float c; + float m; + float y; + float k; + float a; + } m_cmyka; + }; + +} // namespace WebCore + +#endif