Moving GraphicsContext and dependencies from core to platform.

Source/platform/image-decoders/jpeg/JPEGImageDecoder.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008-2009 Torch Mobile, Inc.
  *
  * 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 JPEGImageDecoder_h
 #define JPEGImageDecoder_h
 
-#include "core/platform/image-decoders/ImageDecoder.h"
+#include "platform/image-decoders/ImageDecoder.h"
 
+#include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 
 namespace WebCore {
 
-    class JPEGImageReader;
+class JPEGImageReader;
 
-    // This class decodes the JPEG image format.
-    class JPEGImageDecoder : public ImageDecoder {
-    public:
-        JPEGImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProfileOption, size_t maxDecodedBytes);
-        virtual ~JPEGImageDecoder();
+// This class decodes the JPEG image format.
+class PLATFORM_EXPORT JPEGImageDecoder : public ImageDecoder {
+    WTF_MAKE_NONCOPYABLE(JPEGImageDecoder);
+public:
+    JPEGImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProfileOption, size_t maxDecodedBytes);
+    virtual ~JPEGImageDecoder();
 
-        // ImageDecoder
-        virtual String filenameExtension() const OVERRIDE { return "jpg"; }
-        virtual bool isSizeAvailable() OVERRIDE;
-        virtual IntSize decodedSize() const OVERRIDE { return m_decodedSize; }
-        virtual bool setSize(unsigned width, unsigned height) OVERRIDE;
-        virtual ImageFrame* frameBufferAtIndex(size_t) OVERRIDE;
-        // CAUTION: setFailed() deletes |m_reader|.  Be careful to avoid
-        // accessing deleted memory, especially when calling this from inside
-        // JPEGImageReader!
-        virtual bool setFailed() OVERRIDE;
+    // ImageDecoder
+    virtual String filenameExtension() const OVERRIDE { return "jpg"; }
+    virtual bool isSizeAvailable() OVERRIDE;
+    virtual IntSize decodedSize() const OVERRIDE { return m_decodedSize; }
+    virtual bool setSize(unsigned width, unsigned height) OVERRIDE;
+    virtual ImageFrame* frameBufferAtIndex(size_t) OVERRIDE;
+    // CAUTION: setFailed() deletes |m_reader|.  Be careful to avoid
+    // accessing deleted memory, especially when calling this from inside
+    // JPEGImageReader!
+    virtual bool setFailed() OVERRIDE;
 
-        bool outputScanlines();
-        void jpegComplete();
+    bool outputScanlines();
+    void jpegComplete();
 
-        void setOrientation(ImageOrientation orientation) { m_orientation = orientation; }
+    void setOrientation(ImageOrientation orientation) { m_orientation = orientation; }
 
-    private:
-        // Decodes the image.  If |onlySize| is true, stops decoding after
-        // calculating the image size.  If decoding fails but there is no more
-        // data coming, sets the "decode failure" flag.
-        void decode(bool onlySize);
+private:
+    // Decodes the image.  If |onlySize| is true, stops decoding after
+    // calculating the image size.  If decoding fails but there is no more
+    // data coming, sets the "decode failure" flag.
+    void decode(bool onlySize);
 
-        OwnPtr<JPEGImageReader> m_reader;
-        IntSize m_decodedSize;
-    };
+    OwnPtr<JPEGImageReader> m_reader;
+    IntSize m_decodedSize;
+};
 
 } // namespace WebCore
 
 #endif