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/*
* Copyright (C) 2007 Apple 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 DragImage_h
#define DragImage_h
#include "IntSize.h"
#include "FloatSize.h"
#include <wtf/Forward.h>
#if PLATFORM(MAC)
#include <wtf/RetainPtr.h>
#ifdef __OBJC__
@class NSImage;
#else
class NSImage;
#endif
#elif PLATFORM(QT)
QT_BEGIN_NAMESPACE
class QPixmap;
QT_END_NAMESPACE
#elif PLATFORM(WIN)
typedef struct HBITMAP__* HBITMAP;
#elif PLATFORM(WX)
class wxDragImage;
#elif PLATFORM(CHROMIUM)
#include "DragImageRef.h"
#elif PLATFORM(GTK)
typedef struct _cairo_surface cairo_surface_t;
#elif PLATFORM(HAIKU)
class BBitmap;
#elif PLATFORM(BREWMP)
typedef struct IImage IImage;
#endif
//We need to #define YOffset as it needs to be shared with WebKit
#define DragLabelBorderYOffset 2
namespace WebCore {
class CachedImage;
class Frame;
class Image;
class KURL;
class Range;
#if PLATFORM(MAC)
typedef RetainPtr<NSImage> DragImageRef;
#elif PLATFORM(QT)
typedef QPixmap* DragImageRef;
#elif PLATFORM(WIN)
typedef HBITMAP DragImageRef;
#elif PLATFORM(WX)
typedef wxDragImage* DragImageRef;
#elif PLATFORM(GTK)
typedef cairo_surface_t* DragImageRef;
#elif PLATFORM(HAIKU)
typedef BBitmap* DragImageRef;
#elif PLATFORM(BREWMP)
typedef IImage* DragImageRef;
#elif PLATFORM(EFL) || PLATFORM(ANDROID)
typedef void* DragImageRef;
#endif
IntSize dragImageSize(DragImageRef);
//These functions should be memory neutral, eg. if they return a newly allocated image,
//they should release the input image. As a corollary these methods don't guarantee
//the input image ref will still be valid after they have been called
DragImageRef fitDragImageToMaxSize(DragImageRef image, const IntSize& srcSize, const IntSize& size);
DragImageRef scaleDragImage(DragImageRef, FloatSize scale);
DragImageRef dissolveDragImageToFraction(DragImageRef image, float delta);
DragImageRef createDragImageFromImage(Image*);
DragImageRef createDragImageForSelection(Frame*);
DragImageRef createDragImageIconForCachedImage(CachedImage*);
DragImageRef createDragImageForLink(KURL&, const String& label, Frame*);
void deleteDragImage(DragImageRef);
}
#endif //!DragImage_h
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