131 lines
4.8 KiB
C++
131 lines
4.8 KiB
C++
/*
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* Copyright (C) 2007 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "FloatSize.h"
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#include "FontRenderingMode.h"
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#include "ImageOrientation.h"
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#include "IntSize.h"
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#include "Path.h"
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#include "TextFlags.h"
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#include "TextIndicator.h"
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#include <wtf/Forward.h>
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#if PLATFORM(IOS_FAMILY)
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#include <wtf/RetainPtr.h>
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typedef struct CGImage *CGImageRef;
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#elif PLATFORM(MAC)
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#include <wtf/RetainPtr.h>
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OBJC_CLASS NSImage;
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#elif PLATFORM(WIN)
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typedef struct HBITMAP__* HBITMAP;
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#elif USE(CAIRO)
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#include "RefPtrCairo.h"
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#elif PLATFORM(HAIKU)
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class BBitmap;
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#endif
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// We need to #define YOffset as it needs to be shared with WebKit
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#define DragLabelBorderYOffset 2
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namespace WebCore {
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class Element;
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class Frame;
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class Image;
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class IntRect;
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class Node;
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#if PLATFORM(IOS_FAMILY)
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typedef RetainPtr<CGImageRef> DragImageRef;
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#elif PLATFORM(MAC)
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typedef RetainPtr<NSImage> DragImageRef;
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#elif PLATFORM(WIN)
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typedef HBITMAP DragImageRef;
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#elif USE(CAIRO)
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typedef RefPtr<cairo_surface_t> DragImageRef;
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#elif PLATFORM(HAIKU)
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typedef BBitmap* DragImageRef;
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#endif
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#if PLATFORM(COCOA)
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extern const float ColorSwatchCornerRadius;
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extern const float ColorSwatchStrokeSize;
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extern const float ColorSwatchWidth;
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#endif
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IntSize dragImageSize(DragImageRef);
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// These functions should be memory neutral, eg. if they return a newly allocated image,
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// they should release the input image. As a corollary these methods don't guarantee
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// the input image ref will still be valid after they have been called.
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DragImageRef fitDragImageToMaxSize(DragImageRef, const IntSize& srcSize, const IntSize& dstSize);
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DragImageRef scaleDragImage(DragImageRef, FloatSize scale);
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DragImageRef platformAdjustDragImageForDeviceScaleFactor(DragImageRef, float deviceScaleFactor);
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DragImageRef dissolveDragImageToFraction(DragImageRef, float delta);
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DragImageRef createDragImageFromImage(Image*, ImageOrientation);
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DragImageRef createDragImageIconForCachedImageFilename(const String&);
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WEBCORE_EXPORT DragImageRef createDragImageForNode(Frame&, Node&);
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WEBCORE_EXPORT DragImageRef createDragImageForSelection(Frame&, TextIndicatorData&, bool forceBlackText = false);
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WEBCORE_EXPORT DragImageRef createDragImageForRange(Frame&, const SimpleRange&, bool forceBlackText = false);
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DragImageRef createDragImageForColor(const Color&, const FloatRect&, float, Path&);
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DragImageRef createDragImageForImage(Frame&, Node&, IntRect& imageRect, IntRect& elementRect);
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DragImageRef createDragImageForLink(Element&, URL&, const String& label, TextIndicatorData&, FontRenderingMode, float deviceScaleFactor);
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void deleteDragImage(DragImageRef);
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IntPoint dragOffsetForLinkDragImage(DragImageRef);
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FloatPoint anchorPointForLinkDragImage(DragImageRef);
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class DragImage final {
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public:
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WEBCORE_EXPORT DragImage();
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explicit DragImage(DragImageRef);
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WEBCORE_EXPORT DragImage(DragImage&&);
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WEBCORE_EXPORT ~DragImage();
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WEBCORE_EXPORT DragImage& operator=(DragImage&&);
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void setIndicatorData(const TextIndicatorData& data) { m_indicatorData = data; }
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bool hasIndicatorData() const { return !!m_indicatorData; }
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std::optional<TextIndicatorData> indicatorData() const { return m_indicatorData; }
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void setVisiblePath(const Path& path) { m_visiblePath = path; }
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bool hasVisiblePath() const { return !!m_visiblePath; }
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std::optional<Path> visiblePath() const { return m_visiblePath; }
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explicit operator bool() const { return !!m_dragImageRef; }
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DragImageRef get() const { return m_dragImageRef; }
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private:
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DragImageRef m_dragImageRef;
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std::optional<TextIndicatorData> m_indicatorData;
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std::optional<Path> m_visiblePath;
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};
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}
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