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      1 /*
      2  * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc.  All rights reserved.
      3  * Copyright (C) 2008 Eric Seidel <eric (at) webkit.org>
      4  * Copyright (C) 2007-2008 Torch Mobile, Inc.
      5  * Copyright (C) 2013 Google, Inc. All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     24  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef Pattern_h
     30 #define Pattern_h
     31 
     32 #include "SkShader.h"
     33 #include "platform/PlatformExport.h"
     34 #include "platform/graphics/Image.h"
     35 #include "platform/transforms/AffineTransform.h"
     36 
     37 #include "wtf/PassRefPtr.h"
     38 #include "wtf/RefCounted.h"
     39 #include "wtf/RefPtr.h"
     40 
     41 namespace WebCore {
     42 
     43 class AffineTransform;
     44 
     45 class PLATFORM_EXPORT Pattern : public RefCounted<Pattern> {
     46 public:
     47     static PassRefPtr<Pattern> create(PassRefPtr<Image> tileImage, bool repeatX, bool repeatY)
     48     {
     49         return adoptRef(new Pattern(tileImage, repeatX, repeatY));
     50     }
     51     ~Pattern();
     52 
     53     SkShader* shader();
     54 
     55     void setPatternSpaceTransform(const AffineTransform& patternSpaceTransformation);
     56     const AffineTransform& getPatternSpaceTransform() { return m_patternSpaceTransformation; };
     57 
     58     bool repeatX() const { return m_repeatX; }
     59     bool repeatY() const { return m_repeatY; }
     60 
     61 private:
     62     Pattern(PassRefPtr<Image>, bool repeatX, bool repeatY);
     63 
     64     RefPtr<NativeImageSkia> m_tileImage;
     65     bool m_repeatX;
     66     bool m_repeatY;
     67     AffineTransform m_patternSpaceTransformation;
     68     RefPtr<SkShader> m_pattern;
     69     int m_externalMemoryAllocated;
     70 };
     71 
     72 } //namespace
     73 
     74 #endif
     75