webengine/wmlengine/src/image/include/nw_image_abstractimage.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 03 May 2010 13:32:15 +0300
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/*
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* Copyright (c) 2000 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*
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*/
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#ifndef NW_IMAGE_ABSTRACTIMAGE_H
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#define NW_IMAGE_ABSTRACTIMAGE_H
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#include "nw_object_dynamic.h"
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#include "nw_adt_dynamicvector.h"
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#include "nw_gdi_types.h"
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#include "BrsrTypes.h"
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#include "nw_image_imageobserver.h"
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#include "NW_Image_EXPORT.h"
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#include "BrsrStatusCodes.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/* ------------------------------------------------------------------------- *
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   constants
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 * ------------------------------------------------------------------------- */
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#define NW_Image_AbstractImage_SuppressDupReformats_Start 0
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#define NW_Image_AbstractImage_SuppressDupReformats_Stop 1
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#define NW_Image_AbstractImage_SuppressDupReformats_Continue 2
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#define NW_Image_AbstractImage_SuppressDupReformats_Default 3
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/* ------------------------------------------------------------------------- *
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   forward declarations
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 * ------------------------------------------------------------------------- */
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typedef struct NW_Image_AbstractImage_Class_s NW_Image_AbstractImage_Class_t;
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typedef struct NW_Image_AbstractImage_s NW_Image_AbstractImage_t;
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/* ------------------------------------------------------------------------- *
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   method prototypes
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 * ------------------------------------------------------------------------- */
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typedef
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TBrowserStatusCode
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(*NW_Image_AbstractImage_GetSize_t) (const NW_Image_AbstractImage_t* image,
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                                     NW_GDI_Dimension3D_t* size);
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typedef
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TBrowserStatusCode
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(*NW_Image_AbstractImage_Draw_t) ( NW_Image_AbstractImage_t* image,
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                                  CGDIDeviceContext* deviceContext,
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                                 const NW_GDI_Point2D_t* location);
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typedef
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TBrowserStatusCode
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(*NW_Image_AbstractImage_DrawScaled_t) (NW_Image_AbstractImage_t* image,
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                                        CGDIDeviceContext* deviceContext,
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                                        const NW_GDI_Point2D_t* location,
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                                        const NW_GDI_Dimension3D_t* size);
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typedef
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TBrowserStatusCode
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(*NW_Image_AbstractImage_DrawInRect_t) (NW_Image_AbstractImage_t* image,
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                                        CGDIDeviceContext* deviceContext,
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                                        const NW_GDI_Point2D_t* location,
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                                        const NW_GDI_Dimension3D_t* size,
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                                        const NW_GDI_Rectangle_t* rect);
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typedef
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TBrowserStatusCode
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(*NW_Image_AbstractImage_IncrementImage_t) (NW_Image_AbstractImage_t* image);
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typedef
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NW_Int16
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(*NW_Image_AbstractImage_GetLoopCount_t) (NW_Image_AbstractImage_t* image); 
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typedef
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TBrowserStatusCode
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(*NW_Image_AbstractImage_SetLoopCount_t) (NW_Image_AbstractImage_t* image, NW_Uint16 loopCount);
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typedef
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NW_Uint32
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(*NW_Image_AbstractImage_GetDelay_t) (NW_Image_AbstractImage_t* image);
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typedef
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NW_Bool
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(*NW_Image_AbstractImage_IsAnimated_t) (NW_Image_AbstractImage_t* image); 
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typedef
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TBrowserStatusCode
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(*NW_Image_AbstractImage_SetImageObserver_t) ( NW_Image_AbstractImage_t* image,
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                                               NW_Image_IImageObserver_t* observer);
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typedef
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TBrowserStatusCode
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(*NW_Image_AbstractImage_RemoveImageObserver_t) ( NW_Image_AbstractImage_t* image,
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                                               NW_Image_IImageObserver_t* observer );
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typedef
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void
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(*NW_Image_AbstractImage_ImageOpened_t) ( NW_Image_AbstractImage_t* image, NW_Bool failed,
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                                          NW_Int16  suppressDupReformats);
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typedef
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void
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(*NW_Image_AbstractImage_ImageSizeChanged_t) ( NW_Image_AbstractImage_t* image );
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typedef
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void
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(*NW_Image_AbstractImage_ImageDecoded_t) ( NW_Image_AbstractImage_t* image,
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                                          NW_Bool failed);
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typedef
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void
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(*NW_Image_AbstractImage_ImageOpenStarted_t) ( NW_Image_AbstractImage_t* image );
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typedef
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TBrowserStatusCode
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(*NW_Image_AbstractImage_ForceImageDecode_t) ( NW_Image_AbstractImage_t* image );
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/* ------------------------------------------------------------------------- *
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   class definition
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 * ------------------------------------------------------------------------- */
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typedef struct NW_Image_AbstractImage_ClassPart_s {
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  NW_Image_AbstractImage_GetSize_t getSize;
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  NW_Image_AbstractImage_Draw_t draw;
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  NW_Image_AbstractImage_DrawScaled_t drawScaled;
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  NW_Image_AbstractImage_DrawInRect_t drawInRect;
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  NW_Image_AbstractImage_IncrementImage_t incrementImage;
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  NW_Image_AbstractImage_GetLoopCount_t getLoopCount;
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  NW_Image_AbstractImage_SetLoopCount_t setLoopCount;
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  NW_Image_AbstractImage_GetDelay_t getDelay;
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  NW_Image_AbstractImage_IsAnimated_t isAnimated;
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  NW_Image_AbstractImage_SetImageObserver_t setImageObserver;
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  NW_Image_AbstractImage_RemoveImageObserver_t removeImageObserver;
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  NW_Image_AbstractImage_ImageOpened_t imageOpened;
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  NW_Image_AbstractImage_ImageSizeChanged_t imageSizeChanged;
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  NW_Image_AbstractImage_ImageDecoded_t imageDecoded;
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  NW_Image_AbstractImage_ImageOpenStarted_t imageOpenStarted;
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  NW_Image_AbstractImage_ForceImageDecode_t forceImageDecode;
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} NW_Image_AbstractImage_ClassPart_t;
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struct NW_Image_AbstractImage_Class_s {
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  NW_Object_Core_ClassPart_t NW_Object_Core;
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  NW_Object_Base_ClassPart_t NW_Object_Base;
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  NW_Object_Dynamic_ClassPart_t NW_Object_Dynamic;
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  NW_Image_AbstractImage_ClassPart_t NW_Image_AbstractImage;
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};
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/* ------------------------------------------------------------------------- *
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   object definiton
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 * ------------------------------------------------------------------------- */
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struct NW_Image_AbstractImage_s {
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  NW_Object_Dynamic_t super;
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  /*member variables*/
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  /*for animated images*/
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  NW_Bool isAnimated; 
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  NW_Uint32 delay;
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  NW_Int16 loopCount;
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  NW_ADT_DynamicVector_t* imageObserverList; /* image observer list */
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  NW_Bool isOpening; 
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};
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/* ------------------------------------------------------------------------- *
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   convenience macros
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 * ------------------------------------------------------------------------- */
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#define NW_Image_AbstractImage_GetClassPart(_object) \
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  (NW_Object_GetClassPart ((_object), NW_Image_AbstractImage))
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#define NW_Image_AbstractImageOf(_object) \
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  (NW_Object_Cast ((_object), NW_Image_AbstractImage))
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/* ------------------------------------------------------------------------- *
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   global static data
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 * ------------------------------------------------------------------------- */
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NW_IMAGE_EXPORT const NW_Image_AbstractImage_Class_t NW_Image_AbstractImage_Class;
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/* ------------------------------------------------------------------------- *
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   public methods
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 * ------------------------------------------------------------------------- */
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#define NW_Image_AbstractImage_GetSize(_image, _size) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, getSize) \
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    ((_image), (_size)))
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#define NW_Image_AbstractImage_Draw(_image, _deviceContext, _location) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, draw) \
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    ((_image), (_deviceContext), (_location)))
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#define NW_Image_AbstractImage_DrawScaled(_image, _deviceContext, _location, _size) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, drawScaled) \
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    ((_image), (_deviceContext), (_location), (_size)))
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#define NW_Image_AbstractImage_DrawInRect(_image, _deviceContext, _location, _size, _rect) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, drawInRect) \
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    ((_image), (_deviceContext), (_location), (_size), (_rect)))
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#define NW_Image_AbstractImage_IncrementImage(_image) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, incrementImage) \
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    ((_image)))
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#define NW_Image_AbstractImage_GetLoopCount(_image) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, getLoopCount) \
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    ((_image)))
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#define NW_Image_AbstractImage_SetLoopCount(_image, _loopCount) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, setLoopCount) \
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    ((_image), (_loopCount)))
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#define NW_Image_AbstractImage_GetDelay(_image) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, getDelay) \
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    ((_image)))
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#define NW_Image_AbstractImage_IsAnimated(_image) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, isAnimated) \
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    ((_image)))
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#define NW_Image_AbstractImage_SetImageObserver( _image, _observer ) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, setImageObserver) \
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    ( ( _image ), (_observer ) ) )
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#define NW_Image_AbstractImage_RemoveImageObserver( _image, _observer ) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, removeImageObserver) \
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    ( ( _image ), (_observer ) ) )
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#define NW_Image_AbstractImage_ImageOpened( _image, _failed, _suppressDupReformats ) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, imageOpened) \
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    ( ( _image ), ( _failed ), (_suppressDupReformats) ) )
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#define NW_Image_AbstractImage_ImageSizeChanged( _image ) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, imageSizeChanged) \
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    ( ( _image ) ) )
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#define NW_Image_AbstractImage_ImageDecoded( _image, _failed ) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, imageDecoded) \
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    ( ( _image ), ( _failed ) ) )
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#define NW_Image_AbstractImage_ImageOpenStarted( _image ) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, imageOpenStarted) \
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    ( ( _image ) ) )
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#define NW_Image_AbstractImage_ForceImageDecode( _image ) \
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  (NW_Object_Invoke ((_image), NW_Image_AbstractImage, forceImageDecode) \
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    ( ( _image ) ) )
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/* ------------------------------------------------------------------------- *
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   public final methods
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 * ------------------------------------------------------------------------- */
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NW_IMAGE_EXPORT
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TBrowserStatusCode
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NW_Image_AbstractImage_DecrementLoopCount(NW_Image_AbstractImage_t* image);
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NW_IMAGE_EXPORT
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void
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NW_Image_AbstractImage_ImageDestroyed( NW_Image_AbstractImage_t* image );
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NW_Bool
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NW_Image_AbstractImage_IsVisible(NW_Image_AbstractImage_t* aImage);
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#ifdef __cplusplus
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} // extern "C" {
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#endif /* __cplusplus */
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#endif /* NW_IMAGE_ABSTRACTIMAGE_H */