webcoreimagerenderer.h

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/*
 * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
 * Portions Copyright (c) 2005 Nokia Corporation, Inc. All rights reserved.
 *
 * 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 __WebCoreImageRenderer_h__
#define __WebCoreImageRenderer_h__

// INCLUDES
#include <e32base.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS
class CWebCoreGraphicsContext;
class MWebCoreScrollView;
namespace khtml
    {
    class CachedImageCallback;
    }
// CLASS DECLARATION

/**
*
*  @lib webcore.lib
*  @since 3.0
*/

class CWebCoreImageCallbackWrapper : public CBase
    {
    public:
        IMPORT_C void NotifyUpdate();
        IMPORT_C void NotifyFinished();
        IMPORT_C void NotifyDecodingError();

        void SetCallback( khtml::CachedImageCallback* aCallback );
    private:
        khtml::CachedImageCallback* iCallback;
    };

class MWebCoreImageRenderer
	{
	public:
        virtual TBool IncrementalLoadWithBytes(const TDesC8& aData,
                                         TBool aIsComplete) = 0;
        virtual TSize Size() = 0;
        virtual void Resize(TSize aSize) = 0;
        virtual void DrawImageInRect(CWebCoreGraphicsContext& aGc, const TRect &aInRect, const TRect &aFromRect) = 0;
        //- (void)drawImageInRect:(NSRect)ir fromRect:(NSRect)fr compositeOperator:(NSCompositingOperation)compsiteOperator context:(CGContextRef)context;
        virtual void StopAnimation() = 0;
        virtual void TileInRect(CWebCoreGraphicsContext& aGc, const TRect &aRect, TPoint aOffset) = 0;
        virtual TBool IsNull() = 0;
        virtual MWebCoreImageRenderer* Copy() = 0;
        virtual void Ref() = 0;
        virtual void Deref() = 0;
        virtual void FlushRasterCache() = 0;
        virtual void RemoveFromScrollView(MWebCoreScrollView* aView) = 0;
        virtual CWebCoreImageCallbackWrapper* InitCallbackWrapper() = 0;
    };

#endif

// End of File