www.pudn.com > wcore.rar > WebCoreGraphicsContext.cpp

/* 
 * Copyright (c) 2005 Nokia Corporation, Inc. All rights reserved. 
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions 
 * are met: 
 * 1. Redistributions of source code must retain the above copyright 
 *    notice, this list of conditions and the following disclaimer. 
 * 2. Redistributions in binary form must reproduce the above copyright 
 *    notice, this list of conditions and the following disclaimer in the 
 *    documentation and/or other materials provided with the distribution. 
 * 3. Neither the name of the Nokia Corporation nor the names of its 
 *    contributors may be used to endorse or promote products derived 
 *    from this software without specific prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE. 
 */ 
 
#include "WebCoreGraphicsContext.h" 
 
EXPORT_C CWebCoreGraphicsContext* CWebCoreGraphicsContext::NewL(CFbsBitmapDevice *aBitmapDevice, CFbsBitmap* aBitmap, MWebCoreScrollView* aView) 
    { 
    CWebCoreGraphicsContext *self = new (ELeave) CWebCoreGraphicsContext(aBitmap, aView); 
    CleanupStack::PushL(self); 
    self->ConstructL(aBitmapDevice); 
    CleanupStack::Pop(); 
    return self; 
    } 
 
EXPORT_C CWebCoreGraphicsContext* CWebCoreGraphicsContext::NewL(CFbsBitGc& aGc, CFbsBitmap* aBitmap, MWebCoreScrollView* aView) 
    { 
    CWebCoreGraphicsContext *self = new (ELeave) CWebCoreGraphicsContext(aBitmap, aView); 
    CleanupStack::PushL(self); 
    self->ConstructL(aGc); 
    CleanupStack::Pop(); 
    return self; 
    } 
 
 
void CWebCoreGraphicsContext::ConstructL(CFbsBitmapDevice *aBitmapDevice) 
    { 
	User::LeaveIfError(aBitmapDevice->CreateContext(iBitmapContext)); 
    iGcOwned = ETrue; 
    } 
 
void CWebCoreGraphicsContext::ConstructL(CFbsBitGc& aGc) 
    { 
    iBitmapContext = &aGc; 
    iGcOwned = EFalse; 
    } 
 
CWebCoreGraphicsContext::CWebCoreGraphicsContext(CFbsBitmap* aBitmap, MWebCoreScrollView* aView) 
    { 
    iScrollView = aView; 
	iOffscreenBitmap = aBitmap; 
    } 
 
CWebCoreGraphicsContext::~CWebCoreGraphicsContext() 
    { 
    if (iGcOwned) 
    	delete iBitmapContext; 
    }