#pragma once
#include "FloatSize.h"
#include "ImageOrientation.h"
#include "IntSize.h"
#include "TextFlags.h"
#include "TextIndicator.h"
#include <wtf/Forward.h>
#include <wtf/Optional.h>
#if PLATFORM(IOS)
#include <wtf/RetainPtr.h>
typedef struct CGImage *CGImageRef;
#elif PLATFORM(MAC)
#include <wtf/RetainPtr.h>
OBJC_CLASS NSImage;
#elif PLATFORM(WIN)
typedef struct HBITMAP__* HBITMAP;
#elif USE(CAIRO)
#include "RefPtrCairo.h"
#endif
#define DragLabelBorderYOffset 2
namespace WebCore {
class Element;
class Frame;
class Image;
class IntRect;
class Node;
class Range;
class URL;
#if PLATFORM(IOS)
typedef RetainPtr<CGImageRef> DragImageRef;
#elif PLATFORM(MAC)
typedef RetainPtr<NSImage> DragImageRef;
#elif PLATFORM(WIN)
typedef HBITMAP DragImageRef;
#elif USE(CAIRO)
typedef RefPtr<cairo_surface_t> DragImageRef;
#endif
#if PLATFORM(COCOA)
static const float SelectionDragImagePadding = 15;
#endif
IntSize dragImageSize(DragImageRef);
DragImageRef fitDragImageToMaxSize(DragImageRef, const IntSize& srcSize, const IntSize& dstSize);
DragImageRef scaleDragImage(DragImageRef, FloatSize scale);
DragImageRef platformAdjustDragImageForDeviceScaleFactor(DragImageRef, float deviceScaleFactor);
DragImageRef dissolveDragImageToFraction(DragImageRef, float delta);
DragImageRef createDragImageFromImage(Image*, ImageOrientationDescription);
DragImageRef createDragImageIconForCachedImageFilename(const String&);
WEBCORE_EXPORT DragImageRef createDragImageForNode(Frame&, Node&);
WEBCORE_EXPORT DragImageRef createDragImageForSelection(Frame&, TextIndicatorData&, bool forceBlackText = false);
WEBCORE_EXPORT DragImageRef createDragImageForRange(Frame&, Range&, bool forceBlackText = false);
DragImageRef createDragImageForImage(Frame&, Node&, IntRect& imageRect, IntRect& elementRect);
DragImageRef createDragImageForLink(Element&, URL&, const String& label, TextIndicatorData&, FontRenderingMode, float deviceScaleFactor);
void deleteDragImage(DragImageRef);
IntPoint dragOffsetForLinkDragImage(DragImageRef);
FloatPoint anchorPointForLinkDragImage(DragImageRef);
class DragImage final {
public:
WEBCORE_EXPORT DragImage();
explicit DragImage(DragImageRef);
DragImage(DragImage&&);
WEBCORE_EXPORT ~DragImage();
DragImage& operator=(DragImage&&);
void setIndicatorData(const TextIndicatorData& data) { m_indicatorData = data; }
bool hasIndicatorData() const { return !!m_indicatorData; }
std::optional<TextIndicatorData> indicatorData() const { return m_indicatorData; }
explicit operator bool() const { return !!m_dragImageRef; }
DragImageRef get() const { return m_dragImageRef; }
private:
DragImageRef m_dragImageRef;
std::optional<TextIndicatorData> m_indicatorData;
};
}