author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 26 Jan 2010 15:18:05 +0200 | |
changeset 0 | 2014ca87e772 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004 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 "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: Pure virtual interface to bitmap and mask container. |
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* |
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*/ |
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#ifndef MIHLBITMAP_H |
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#define MIHLBITMAP_H |
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// INCLUDES |
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#include <gdi.h> |
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// FORWARD DECLARATION |
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class MIHLBitmap; |
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class CBitmapContext; |
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class CFbsBitmap; |
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// FACTORY DECLARATION |
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class IHLBitmap |
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{ |
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public: |
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/** |
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* Create new MIHLBitmap instance. |
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* @since 3.0 |
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* @return New default MIHLBitmap instance. |
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*/ |
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IMPORT_C static MIHLBitmap* CreateL(); |
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}; |
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// CLASS DECLARATION |
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/** |
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* MIHLBitmap |
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* |
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* Pure virtual interface to bitmap and mask container. |
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* |
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* If interface needs to be pushed into CleanupStack, |
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* remember to use CleanupStackDeletePushL() function! |
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* DO NOT USE CleanupStack::PushL()!! |
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* |
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* @lib IHL.lib |
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* @since 3.0 |
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*/ |
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class MIHLBitmap |
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{ |
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public: |
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/** |
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* Virtual destructor. |
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*/ |
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virtual ~MIHLBitmap() {} |
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public: |
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/** |
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* Create new bitmap. |
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* @since 3.0 |
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* @param aSize Bitmap size. |
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* @param aDisplayMode Bitmap displaymode. |
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* @return KErrArgument if size is negative or displaymode is not supported. |
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* Otherwise system wide error codes. |
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*/ |
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virtual TInt Create( const TSize& aSize, TDisplayMode aDisplayMode ) = 0; |
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/** |
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* Create new bitmap and mask. |
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* @since 3.0 |
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* @param aSize Bitmap and mask size. |
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* @param aBitmapDisplayMode Bitmap displaymode. |
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* @param aMaskDisplayMode Mask displaymode (EGray2 or EGray256) |
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* @return KErrArgument if size is negative or displaymode is not supported. |
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* Otherwise system wide error codes. |
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*/ |
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virtual TInt Create( const TSize& aSize, TDisplayMode aBitmapDisplayMode, |
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TDisplayMode aMaskDisplayMode ) = 0; |
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/** |
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* Copy or duplicate bitmap. |
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* Copied bitmap has unique server handle and it can be |
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* modified without risk of changes in given source bitmap. |
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* Duplicated bitmap has same server handle than source bitmap |
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* and modifying duplicated bitmap will also modify source bitmap. |
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* @since 3.0 |
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* @param aBitmap Source bitmap that is copied or duplicated. |
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* @param aDuplicate ETrue to duplicate, EFalse to copy. |
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* @return System wide error codes. |
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*/ |
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virtual TInt Copy( const CFbsBitmap& aBitmap, TBool aDuplicate ) = 0; |
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/** |
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* Copy or duplicate bitmap and mask. |
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* Copied bitmaps has unique server handles and they can be |
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* modified without risk of changes in given source bitmaps. |
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* Duplicated bitmaps has same server handles than source bitmaps |
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* and modifying duplicated bitmaps will also modify source bitmaps. |
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* @since 3.0 |
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* @param aBitmap Source bitmap that is copied or duplicated. |
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* @param aBitmap Source aMask that is copied or duplicated. |
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* @param aDuplicate ETrue to duplicate, EFalse to copy. |
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* @return System wide error codes. |
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*/ |
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virtual TInt Copy( const CFbsBitmap& aBitmap, const CFbsBitmap& aMask, TBool aDuplicate ) = 0; |
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/** |
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* Copy or duplicate MIHLBitmap. |
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* Copied bitmaps has unique server handles and they can be |
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* modified without risk of changes in given source bitmaps. |
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* Duplicated bitmaps has same server handles than source bitmaps |
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* and modifying duplicated bitmaps will also modify source bitmaps. |
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* @since 3.0 |
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* @param aBitmap Source MIHLBitmap that is copied or duplicated. |
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* @param aDuplicate ETrue to duplicate, EFalse to copy. |
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* @return System wide error codes. |
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*/ |
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virtual TInt Copy( const MIHLBitmap& aBitmap, TBool aDuplicate ) = 0; |
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/** |
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* Release bitmap and mask server handles. |
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* Create() and Copy() methods will call this |
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* automatically if any old bitmaps exist. |
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* @since 3.0 |
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*/ |
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virtual void Reset() = 0; |
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/** |
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* Check if bitmap is created or copied. |
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* This checks that bitmap handle is valid and exist. |
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* @since 3.0 |
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* @return ETrue if bitmap exist, EFalse if bitmap handle is zero. |
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*/ |
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virtual TBool IsCreated() const = 0; |
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/** |
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* Return bitmap reference. |
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* Use MIHLBitmap::IsCreated() method |
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* to check if bitmap actually exist. |
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* @since 3.0 |
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* @return Reference to bitmap. |
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*/ |
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virtual const CFbsBitmap& Bitmap() const = 0; |
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/** |
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* Check if mask bitmap handle is valid and exist. |
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* @since 3.0 |
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* @return ETrue if mask exist, EFalse if mask handle is zero. |
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*/ |
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virtual TBool HasMask() const = 0; |
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/** |
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* Return mask reference. |
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* Use MIHLBitmap::HasMask() method |
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* to check if mask actually exist. |
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* @since 3.0 |
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* @return Reference to mask. |
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*/ |
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virtual const CFbsBitmap& Mask() const = 0; |
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/** |
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* Draw bitmap to bitmap context. |
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* If bitmaps are not created, method does nothing. |
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* @param aContext Bitmap context where bitmap is drawn. |
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* @param aPoint Draw position. |
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* @since 3.0 |
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*/ |
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virtual void Draw( CBitmapContext& aContext, const TPoint& aPoint ) const = 0; |
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/** |
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* Draw bitmap to bitmap context. |
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* If bitmaps are not created, method does nothing. |
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* @param aContext Bitmap context where bitmap is drawn. |
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* @param aPoint Draw position. |
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* @param aSourceRect Source rectangle that is drawn. |
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* @since 3.0 |
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*/ |
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virtual void Draw( CBitmapContext& aContext, const TPoint& aPoint, |
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const TRect& aSourceRect ) const = 0; |
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}; |
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#endif // MIHLBITMAP_H |
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// End of File |