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      1 /*
      2  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis (at) kde.org>
      4  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  */
     21 
     22 #ifndef SVGColor_h
     23 #define SVGColor_h
     24 
     25 #if ENABLE(SVG)
     26 #include "CSSValue.h"
     27 #include "Color.h"
     28 #include <wtf/PassRefPtr.h>
     29 
     30 namespace WebCore {
     31 
     32 class RGBColor;
     33 
     34 class SVGColor : public CSSValue {
     35 public:
     36     enum SVGColorType {
     37         SVG_COLORTYPE_UNKNOWN = 0,
     38         SVG_COLORTYPE_RGBCOLOR = 1,
     39         SVG_COLORTYPE_RGBCOLOR_ICCCOLOR = 2,
     40         SVG_COLORTYPE_CURRENTCOLOR = 3
     41     };
     42 
     43     static PassRefPtr<SVGColor> createFromString(const String& rgbColor)
     44     {
     45         RefPtr<SVGColor> color = adoptRef(new SVGColor(SVG_COLORTYPE_RGBCOLOR));
     46         color->setColor(colorFromRGBColorString(rgbColor));
     47         return color.release();
     48     }
     49 
     50     static PassRefPtr<SVGColor> createFromColor(const Color& rgbColor)
     51     {
     52         RefPtr<SVGColor> color = adoptRef(new SVGColor(SVG_COLORTYPE_RGBCOLOR));
     53         color->setColor(rgbColor);
     54         return color.release();
     55     }
     56 
     57     static PassRefPtr<SVGColor> createCurrentColor()
     58     {
     59         return adoptRef(new SVGColor(SVG_COLORTYPE_CURRENTCOLOR));
     60     }
     61 
     62     const Color& color() const { return m_color; }
     63     const SVGColorType& colorType() const { return m_colorType; }
     64     PassRefPtr<RGBColor> rgbColor() const;
     65 
     66     static Color colorFromRGBColorString(const String&);
     67 
     68     void setRGBColor(const String& rgbColor, ExceptionCode&);
     69     void setRGBColorICCColor(const String& rgbColor, const String& iccColor, ExceptionCode&);
     70     void setColor(unsigned short colorType, const String& rgbColor, const String& iccColor, ExceptionCode&);
     71 
     72 protected:
     73     friend class CSSComputedStyleDeclaration;
     74 
     75     SVGColor(const SVGColorType&);
     76     virtual ~SVGColor() { }
     77     virtual String cssText() const;
     78 
     79     void setColor(const Color& color) { m_color = color; }
     80     void setColorType(const SVGColorType& type) { m_colorType = type; }
     81 
     82 private:
     83     virtual bool isSVGColor() const { return true; }
     84 
     85     Color m_color;
     86     SVGColorType m_colorType;
     87 };
     88 
     89 } // namespace WebCore
     90 
     91 #endif // ENABLE(SVG)
     92 #endif // SVGColor_h
     93