| author | Simon Howkins <simonh@symbian.org> |
| Mon, 15 Nov 2010 14:53:34 +0000 | |
| branch | RCL_3 |
| changeset 105 | 871af676edac |
| parent 0 | dd21522fd290 |
| permissions | -rw-r--r-- |
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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_VIRTUALIMAGE_H |
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#define NW_IMAGE_VIRTUALIMAGE_H |
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#include "nw_image_abstractimage.h" |
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#include "nw_image_iimageobserver.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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forward declarations |
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* ------------------------------------------------------------------------- */ |
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typedef struct NW_Image_Virtual_Class_s NW_Image_Virtual_Class_t; |
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typedef struct NW_Image_Virtual_s NW_Image_Virtual_t; |
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/* ------------------------------------------------------------------------- * |
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class definition |
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* ------------------------------------------------------------------------- */ |
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typedef struct NW_Image_Virtual_ClassPart_s {
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void** unused; |
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} NW_Image_Virtual_ClassPart_t; |
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struct NW_Image_Virtual_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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NW_Image_Virtual_ClassPart_t NW_Image_Virtual; |
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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_Virtual_s {
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NW_Image_AbstractImage_t super; |
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/* member variables */ |
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NW_Image_AbstractImage_t* image; |
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// whenever the virtual image is set to be observed, it |
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// must set to observ its simple image |
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NW_Image_IImageObserver_t NW_Image_IImageObserver; |
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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_Virtual_GetClassPart(_object) \ |
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(NW_Object_GetClassPart ((_object), NW_Image_Virtual)) |
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#define NW_Image_VirtualOf(_object) \ |
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(NW_Object_Cast ((_object), NW_Image_Virtual)) |
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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_Virtual_Class_t NW_Image_Virtual_Class; |
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/* ------------------------------------------------------------------------- * |
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convenience functions |
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* ------------------------------------------------------------------------- */ |
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NW_IMAGE_EXPORT |
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NW_Image_Virtual_t* |
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NW_Image_Virtual_New (NW_Image_AbstractImage_t* image); |
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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_VIRTUALIMAGE_H */ |