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/*
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* Copyright (c) 2005-2009 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: Util methods
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*
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*/
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// INCLUDE FILES
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#include <bitdev.h> // CFbsBitmapDevice
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#include <bitstd.h> // CFbsBitGc
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#include <e32math.h> // FRand
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#include "M2GUtils.h"
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M2G_NS_START
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// EXTERNAL DATA STRUCTURES
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// EXTERNAL FUNCTION PROTOTYPES
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// CONSTANTS
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// MACROS
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// LOCAL CONSTANTS AND MACROS
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// MODULE DATA STRUCTURES
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// LOCAL FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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class TSWTBitBlt;
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class TM2GBitmapLock;
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// -----------------------------------------------------------------------------
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// M2GBitmapUtils::BitBlt
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// -----------------------------------------------------------------------------
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TInt M2GBitmapUtils::BitBlt(CFbsBitmap& aTarget,
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const CFbsBitmap& aSource,
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const TPoint& aPoint,
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const TRect* aRect,
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const CFbsBitmap* aSourceMask)
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{
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M2G_DEBUG_2("M2G_DEBUG: M2GBitmapUtils::BitBlt() - Point(x=%d, y=%d)", aPoint.iX, aPoint.iY);
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CFbsBitGc* context = NULL;
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CFbsBitmapDevice* device = NULL;
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TInt err = KM2GOk;
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TRAP(err, (device = CFbsBitmapDevice::NewL(&aTarget)));
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if ((err == KM2GOk) && (device != NULL))
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{
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err = device->CreateContext(context);
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if ((err == KM2GOk) && (context != NULL))
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{
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M2G_DEBUG_0("M2G_DEBUG: M2GBitmapUtils::BitBlt() - CFbsBitGc::BitBlt()");
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if (aRect)
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{
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// Check if mask
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if (aSourceMask)
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{
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M2G_DEBUG_4("M2G_DEBUG: M2GBitmapUtils::BitBlt() - mask rect(x1=%d, y1=%d, x2=%d, y2=%d)", aRect->iTl.iX, aRect->iTl.iY, aRect->iBr.iX, aRect->iBr.iY);
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// A pixel that is masked by a BLACK is NOT transferred to a destination rectangle.
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context->BitBltMasked(aPoint, &aSource, *aRect, aSourceMask, ETrue);
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err = KM2GOk;
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}
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else
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{
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M2G_DEBUG_4("M2G_DEBUG: M2GBitmapUtils::BitBlt() - rect(x1=%d, y1=%d, x2=%d, y2=%d)", aRect->iTl.iX, aRect->iTl.iY, aRect->iBr.iX, aRect->iBr.iY);
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context->BitBlt(aPoint, &aSource, *aRect);
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err = KM2GOk;
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}
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}
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else
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{
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M2G_DEBUG_0("M2G_DEBUG: M2GBitmapUtils::BitBlt() - no rect");
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context->BitBlt(aPoint, &aSource);
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err = KM2GOk;
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}
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}
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}
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delete context;
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delete device;
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context = NULL;
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device = NULL;
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M2G_DEBUG_1("M2G_DEBUG: M2GBitmapUtils::BitBlt() - end: %d", err);
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return err;
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}
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TInt M2GBitmapUtils::BitQBlt(QImage& aTargetQimage,
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const QImage& aSourceQimage,
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const TPoint& aPoint,
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const TRect* aRect,
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const CFbsBitmap* aSourceMask)
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{
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M2G_DEBUG_2("M2G_DEBUG: M2GBitmapUtils::BitQBlt() - Point(x=%d, y=%d)", aPoint.iX, aPoint.iY);
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QPixmap pixmapTarget = QPixmap::fromImage(aTargetQimage);
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CFbsBitmap* aTarget = pixmapTarget.toSymbianCFbsBitmap();
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QPixmap pixmapSource = QPixmap::fromImage(aSourceQimage);
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CFbsBitmap* aSource = pixmapSource.toSymbianCFbsBitmap();
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CFbsBitGc* context = NULL;
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CFbsBitmapDevice* device = NULL;
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TInt err = KM2GOk;
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TRAP(err, (device = CFbsBitmapDevice::NewL(aTarget)));
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if ((err == KM2GOk) && (device != NULL))
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{
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err = device->CreateContext(context);
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if ((err == KM2GOk) && (context != NULL))
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{
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M2G_DEBUG_0("M2G_DEBUG: M2GBitmapUtils::BitBlt() - CFbsBitGc::BitBlt()");
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if (aRect)
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{
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// Check if mask
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if (aSourceMask)
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{
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M2G_DEBUG_4("M2G_DEBUG: M2GBitmapUtils::BitBlt() - mask rect(x1=%d, y1=%d, x2=%d, y2=%d)", aRect->iTl.iX, aRect->iTl.iY, aRect->iBr.iX, aRect->iBr.iY);
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// A pixel that is masked by a BLACK is NOT transferred to a destination rectangle.
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context->BitBltMasked(aPoint, aSource, *aRect, aSourceMask, ETrue);
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err = KM2GOk;
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}
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else
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{
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M2G_DEBUG_4("M2G_DEBUG: M2GBitmapUtils::BitBlt() - rect(x1=%d, y1=%d, x2=%d, y2=%d)", aRect->iTl.iX, aRect->iTl.iY, aRect->iBr.iX, aRect->iBr.iY);
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context->BitBlt(aPoint, aSource, *aRect);
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err = KM2GOk;
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}
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}
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else
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{
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M2G_DEBUG_0("M2G_DEBUG: M2GBitmapUtils::BitBlt() - no rect");
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context->BitBlt(aPoint, aSource);
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err = KM2GOk;
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}
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}
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}
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delete context;
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delete device;
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context = NULL;
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device = NULL;
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M2G_DEBUG_1("M2G_DEBUG: M2GBitmapUtils::BitBlt() - end: %d", err);
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return err;
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}
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TInt M2GBitmapUtils::BitBlt(CBitmapContext& aTargetContext,
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const CFbsBitmap& aSource,
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const TPoint& aPoint,
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const TRect* aRect,
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const CFbsBitmap* aSourceMask,
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/*MSwtClient* aClientHandle,*/
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TBool aUseNativeClear /*= EFalse*/)
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{
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M2G_DEBUG_2("M2G_DEBUG: M2GBitmapUtils::BitBlt() - Point(x=%d, y=%d)", aPoint.iX, aPoint.iY);
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TInt err = KM2GOk;
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TSWTBitBlt bitBlitter(aTargetContext, aPoint,
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&aSource, aRect, aSourceMask, aUseNativeClear);
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bitBlitter();
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M2G_DEBUG_1("M2G_DEBUG: M2GBitmapUtils::BitBlt() - end: %d", err);
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return err;
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}
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// -----------------------------------------------------------------------------
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// TM2GRenderRect::TM2GRenderRect
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// -----------------------------------------------------------------------------
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TM2GRenderRect::TM2GRenderRect(
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TInt aAnchorX, TInt aAnchorY,
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TInt aClipX, TInt aClipY,
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TInt aClipW, TInt aClipH)
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: TRect(
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TPoint(aClipX, aClipY),
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TSize(aClipW, aClipH)),
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iAnchorX(aAnchorX),
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iAnchorY(aAnchorY)
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{
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}
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// -----------------------------------------------------------------------------
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// TM2GRenderRect::TM2GRenderRect
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// -----------------------------------------------------------------------------
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TM2GRenderRect::TM2GRenderRect(TInt* aDimensions, TInt /*aLength*/)
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: TRect(
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TPoint(aDimensions[EClipX], aDimensions[EClipY]),
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TSize(aDimensions[EClipW], aDimensions[EClipH])),
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iAnchorX(aDimensions[EAnchorX]),
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iAnchorY(aDimensions[EAnchorY])
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{
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}
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// -----------------------------------------------------------------------------
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// TM2GRenderRect::~TM2GRenderRect
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// -----------------------------------------------------------------------------
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TM2GRenderRect::~TM2GRenderRect()
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{
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}
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// -----------------------------------------------------------------------------
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// TM2GRenderRect::TM2GRenderRect
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// -----------------------------------------------------------------------------
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TM2GRenderRect::TM2GRenderRect(const TM2GRenderRect& aRd)
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{
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(*this = aRd);
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}
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// -----------------------------------------------------------------------------
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// TM2GRenderRect::operator=
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// -----------------------------------------------------------------------------
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TM2GRenderRect& TM2GRenderRect::operator=(const TM2GRenderRect& aRd)
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{
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if (this != &aRd)
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{
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iAnchorX = aRd.iAnchorX;
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iAnchorY = aRd.iAnchorY;
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SetRect(aRd.iTl.iX, aRd.iTl.iY, aRd.iBr.iX, aRd.iBr.iY);
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}
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return *this;
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}
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// -----------------------------------------------------------------------------
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// TM2GRenderRect::GetRegionSizeInPixels
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// -----------------------------------------------------------------------------
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TSize TM2GRenderRect::GetRegionSizeInPixels(
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TM2GRenderRect& aRect,
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const TSize& aSz)
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{
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return TSize(
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// determine the width of the region to be paint
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M2GGeneral::Min< TInt >(aRect.GetAnchorX() + aSz.iWidth, aRect.GetClipX() + aRect.GetClipW()) -
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M2GGeneral::Max< TInt >(aRect.GetAnchorX(), aRect.GetClipX()),
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// determine the height of the region to be paint
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M2GGeneral::Min< TInt >(aRect.GetAnchorY() + aSz.iHeight, aRect.GetClipY() + aRect.GetClipH()) -
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M2GGeneral::Max< TInt >(aRect.GetAnchorY(), aRect.GetClipY()));
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}
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// -----------------------------------------------------------------------------
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// TM2GBitmapLock::TM2GBitmapLock
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// -----------------------------------------------------------------------------
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TM2GBitmapLock::TM2GBitmapLock(const CFbsBitmap* aBitmap, TBool aLock)
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: iBitmap(aBitmap), iIsLocked(EFalse)
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{
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if (aLock)
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{
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Lock();
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}
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}
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// -----------------------------------------------------------------------------
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// TM2GBitmapLock::~TM2GBitmapLock
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// -----------------------------------------------------------------------------
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TM2GBitmapLock::~TM2GBitmapLock()
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{
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Unlock();
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}
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// -----------------------------------------------------------------------------
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// TM2GBitmapLock::Lock()
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// -----------------------------------------------------------------------------
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void TM2GBitmapLock::Lock()
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{
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if (iBitmap && !iIsLocked)
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{
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iBitmap->LockHeap();
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iIsLocked = ETrue;
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}
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}
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// -----------------------------------------------------------------------------
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// TM2GBitmapLock::Unlock()
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// -----------------------------------------------------------------------------
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void TM2GBitmapLock::Unlock()
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{
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if (iBitmap && iIsLocked)
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{
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iBitmap->UnlockHeap();
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iIsLocked = EFalse;
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}
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}
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TSWTBitBlt::TSWTBitBlt(CBitmapContext& aTargetContext,
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const TPoint& aPoint,
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const CFbsBitmap* aBitmap,
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const TRect* aSourceRect,
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const CFbsBitmap* aMaskBitmap,
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TBool aUseNativeClear)
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: iTargetContext(aTargetContext),
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iPoint(aPoint),
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iUseNativeClear(aUseNativeClear)
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{
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iBitmap = aBitmap;
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iRect = aSourceRect;
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iMaskBitmap = aMaskBitmap;
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}
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void TSWTBitBlt::operator()() const
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{
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M2G_DEBUG_0("TSWTBitBlt()+");
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CFbsBitmap* tempBitmap = new(ELeave) CFbsBitmap;
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CleanupStack::PushL(tempBitmap);
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User::LeaveIfError(tempBitmap->Duplicate(iBitmap->Handle()));
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if (iRect)
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{
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if (iUseNativeClear)
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{
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iTargetContext.SetBrushColor(KRgbWhite);
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iTargetContext.Clear(*iRect);
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}
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if (iMaskBitmap)
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{
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CFbsBitmap* tempMask = new(ELeave) CFbsBitmap;
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CleanupStack::PushL(tempMask);
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User::LeaveIfError(tempMask->Duplicate(iMaskBitmap->Handle()));
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iTargetContext.BitBltMasked(
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iPoint, tempBitmap, *iRect, tempMask, ETrue);
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CleanupStack::PopAndDestroy(tempMask);
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}
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else
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{
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iTargetContext.BitBlt(iPoint, tempBitmap, *iRect);
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}
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}
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else
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{
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if (iUseNativeClear)
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{
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iTargetContext.SetBrushColor(KRgbWhite);
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iTargetContext.Clear();
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}
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iTargetContext.BitBlt(iPoint, tempBitmap);
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}
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CleanupStack::PopAndDestroy(tempBitmap);
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M2G_DEBUG_0("TSWTBitBlt()-");
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}
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M2G_NS_END
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