1 /*

     2  * Copyright (C) 2004, 2005, 2006 Apple Computer, 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 ImageSource_h

    27 #define ImageSource_h

    28 

    29 #include <wtf/Noncopyable.h>

    30 #include <wtf/Vector.h>

    31 

    32 #if PLATFORM(CG)

    33 typedef struct CGImageSource* CGImageSourceRef;

    34 typedef struct CGImage* CGImageRef;

    35 typedef const struct __CFData* CFDataRef;

    36 #elif PLATFORM(QT)

    37 class QPixmap;

    38 #elif PLATFORM(CAIRO)

    39 struct _cairo_surface;

    40 typedef struct _cairo_surface cairo_surface_t;

    41 #elif PLATFORM(SYMBIAN)

    42 #include "PlatformString.h"

    43 class CAnimationDecoder;

    44 class CMaskedBitmap;

    45 #endif

    46 

    47 namespace WebCore {

    48 

    49 class IntSize;

    50 class SharedBuffer;

    51 

    52 #if PLATFORM(CG)

    53 typedef CGImageSourceRef NativeImageSourcePtr;

    54 typedef CGImageRef NativeImagePtr;

    55 #elif PLATFORM(QT)

    56 class ImageDecoderQt;

    57 typedef ImageDecoderQt* NativeImageSourcePtr;

    58 typedef QPixmap* NativeImagePtr;

    59 #elif PLATFORM(SYMBIAN)

    60 typedef CAnimationDecoder* NativeImageSourcePtr;

    61 typedef const Vector<char>* NativeBytePtr;

    62 typedef CMaskedBitmap* NativeImagePtr;

    63 class ImageObserver;

    64 #else

    65 class ImageDecoder;

    66 typedef ImageDecoder* NativeImageSourcePtr;

    67 typedef cairo_surface_t* NativeImagePtr;

    68 #endif

    69 

    70 const int cAnimationLoopOnce = -1;

    71 const int cAnimationNone = -2;

    72 

    73 class ImageSource : Noncopyable {

    74 public:

    75     ImageSource();

    76     ~ImageSource();

    77 

    78     void clear();

    79 

    80     bool initialized() const;

    81     

    82     void setData(SharedBuffer* data, bool allDataReceived);

    83 

    84     bool isSizeAvailable();

    85     IntSize size() const;

    86     

    87     int repetitionCount();

    88     

    89     size_t frameCount() const;

    90     

    91     NativeImagePtr createFrameAtIndex(size_t);

    92     

    93     float frameDurationAtIndex(size_t);

    94     bool frameHasAlphaAtIndex(size_t); // Whether or not the frame actually used any alpha.

    95     bool frameIsCompleteAtIndex(size_t); // Whether or not the frame is completely decoded.

    96 

    97 #if PLATFORM(SYMBIAN)

    98     void setDecoderListener(ImageObserver*);

    99     NativeImageSourcePtr decoder() const { return m_decoder; }

   100     void setMimeType(const String& mimeType);

   101     const String& getMimeType();    

   102 #endif

   103 private:

   104     NativeImageSourcePtr m_decoder;

   105 #if PLATFORM(SYMBIAN)

   106     String m_mimeType;

   107 #endif

   108 };

   109 

   110 }

   111 

   112 #endif