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      1 /*
      2  * Copyright (C) 2008, 2012 Apple Computer, Inc.  All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef GradientGeneratedImage_h
     27 #define GradientGeneratedImage_h
     28 
     29 #include "platform/geometry/IntSize.h"
     30 #include "platform/graphics/GeneratedImage.h"
     31 #include "platform/graphics/Gradient.h"
     32 #include "platform/graphics/Image.h"
     33 #include "platform/graphics/ImageBuffer.h"
     34 #include "wtf/RefPtr.h"
     35 
     36 namespace WebCore {
     37 
     38 class PLATFORM_EXPORT GradientGeneratedImage : public GeneratedImage {
     39 public:
     40     static PassRefPtr<GradientGeneratedImage> create(PassRefPtr<Gradient> generator, const IntSize& size)
     41     {
     42         return adoptRef(new GradientGeneratedImage(generator, size));
     43     }
     44 
     45     virtual ~GradientGeneratedImage()
     46     {
     47     }
     48 
     49 protected:
     50     virtual void draw(GraphicsContext*, const FloatRect&, const FloatRect&,
     51         CompositeOperator, blink::WebBlendMode) OVERRIDE;
     52     virtual void drawPattern(GraphicsContext*, const FloatRect&,
     53         const FloatSize&, const FloatPoint&, CompositeOperator,
     54         const FloatRect&, blink::WebBlendMode, const IntSize& repeatSpacing) OVERRIDE;
     55 
     56     GradientGeneratedImage(PassRefPtr<Gradient> generator, const IntSize& size)
     57         : m_gradient(generator)
     58     {
     59         m_size = size;
     60     }
     61 
     62     RefPtr<Gradient> m_gradient;
     63 };
     64 
     65 }
     66 
     67 #endif
     68