1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef DragImage_h 27 #define DragImage_h 28 29 #include "IntSize.h" 30 #include "FloatSize.h" 31 #include <wtf/Forward.h> 32 33 #if PLATFORM(MAC) 34 #include <wtf/RetainPtr.h> 35 #ifdef __OBJC__ 36 @class NSImage; 37 #else 38 class NSImage; 39 #endif 40 #elif PLATFORM(QT) 41 QT_BEGIN_NAMESPACE 42 class QPixmap; 43 QT_END_NAMESPACE 44 #elif PLATFORM(WIN) 45 typedef struct HBITMAP__* HBITMAP; 46 #elif PLATFORM(WX) 47 class wxDragImage; 48 #elif PLATFORM(CHROMIUM) 49 #include "DragImageRef.h" 50 #elif PLATFORM(GTK) 51 typedef struct _cairo_surface cairo_surface_t; 52 #elif PLATFORM(HAIKU) 53 class BBitmap; 54 #elif PLATFORM(BREWMP) 55 typedef struct IImage IImage; 56 #endif 57 58 //We need to #define YOffset as it needs to be shared with WebKit 59 #define DragLabelBorderYOffset 2 60 61 namespace WebCore { 62 63 class CachedImage; 64 class Frame; 65 class Image; 66 class KURL; 67 class Range; 68 69 #if PLATFORM(MAC) 70 typedef RetainPtr<NSImage> DragImageRef; 71 #elif PLATFORM(QT) 72 typedef QPixmap* DragImageRef; 73 #elif PLATFORM(WIN) 74 typedef HBITMAP DragImageRef; 75 #elif PLATFORM(WX) 76 typedef wxDragImage* DragImageRef; 77 #elif PLATFORM(GTK) 78 typedef cairo_surface_t* DragImageRef; 79 #elif PLATFORM(HAIKU) 80 typedef BBitmap* DragImageRef; 81 #elif PLATFORM(BREWMP) 82 typedef IImage* DragImageRef; 83 #elif PLATFORM(EFL) || PLATFORM(ANDROID) 84 typedef void* DragImageRef; 85 #endif 86 87 IntSize dragImageSize(DragImageRef); 88 89 //These functions should be memory neutral, eg. if they return a newly allocated image, 90 //they should release the input image. As a corollary these methods don't guarantee 91 //the input image ref will still be valid after they have been called 92 DragImageRef fitDragImageToMaxSize(DragImageRef image, const IntSize& srcSize, const IntSize& size); 93 DragImageRef scaleDragImage(DragImageRef, FloatSize scale); 94 DragImageRef dissolveDragImageToFraction(DragImageRef image, float delta); 95 96 DragImageRef createDragImageFromImage(Image*); 97 DragImageRef createDragImageForSelection(Frame*); 98 DragImageRef createDragImageIconForCachedImage(CachedImage*); 99 DragImageRef createDragImageForLink(KURL&, const String& label, Frame*); 100 void deleteDragImage(DragImageRef); 101 } 102 103 104 #endif //!DragImage_h 105