/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
// INCLUDE FILES
#include "HgVgDrawBuffer.h"
#include <AknIconUtils.h>
#include <AknsDrawUtils.h>
#include <gulicon.h>
#include <AknUtils.h>
#include <e32math.h>
#include <gulcolor.h>
#include <AknsDrawUtils.h>
#include <imageconversion.h>
// ============================ MEMBER FUNCTIONS ===============================
// -----------------------------------------------------------------------------
// CHgVgDrawBuffer::NewL()
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CHgVgDrawBuffer* CHgVgDrawBuffer::NewL(const TSize& aBufferSize, const TDisplayMode& aMode )
{
CHgVgDrawBuffer* self = new ( ELeave ) CHgVgDrawBuffer();
CleanupStack::PushL (self );
self->ConstructL(aBufferSize, aMode);
CleanupStack::Pop ( self );
return self;
}
// -----------------------------------------------------------------------------
// CHgVgDrawBuffer::ConstructL()
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CHgVgDrawBuffer::ConstructL (const TSize& aBufferSize, const TDisplayMode& aMode )
{
// Create draw buffer
iDrawBuffer = new (ELeave) CFbsBitmap();
iDrawBuffer->Create(aBufferSize, aMode);
iBufferSize = aBufferSize;
// Create device and context for drawing
iDevice = CFbsBitmapDevice::NewL(iDrawBuffer);
iDevice->CreateContext(iGc);
}
// -----------------------------------------------------------------------------
// CHgVgDrawBuffer::CHgVgDrawBuffer()
// C++ default constructor can NOT contain any code, that might leave.
// -----------------------------------------------------------------------------
//
CHgVgDrawBuffer::CHgVgDrawBuffer()
{
}
// -----------------------------------------------------------------------------
// CHgVgDrawBuffer::~CHgVgDrawBuffer()
// Destructor.
// -----------------------------------------------------------------------------
//
CHgVgDrawBuffer::~CHgVgDrawBuffer ( )
{
delete iGc; iGc = NULL;
delete iDevice; iDevice = NULL;
delete iDrawBuffer; iDrawBuffer = NULL;
}
// -----------------------------------------------------------------------------
// CHgVgDrawBuffer::BufferSize()
// -----------------------------------------------------------------------------
//
const TSize& CHgVgDrawBuffer::BufferSize() const
{
return iBufferSize;
}
// -----------------------------------------------------------------------------
// CHgVgDrawBuffer::Gc()
// Gets drawcontext.
// -----------------------------------------------------------------------------
//
CFbsBitGc& CHgVgDrawBuffer::Gc()
{
return *iGc;
}
CFbsBitmap& CHgVgDrawBuffer::DrawBuffer()
{
return *iDrawBuffer;
}
// -----------------------------------------------------------------------------
// CHgVgDrawBuffer::Clear
// Clear draw buffer to color
// -----------------------------------------------------------------------------
//
void CHgVgDrawBuffer::Clear(const TRect& aRect,
const TRgb& aColor)
{
iGc->SetBrushColor(aColor);
iGc->Clear(aRect);
}
// -----------------------------------------------------------------------------
// CHgVgDrawBuffer::DrawText()
// Draws text to buffer
// -----------------------------------------------------------------------------
//
void CHgVgDrawBuffer::DrawText(const TDesC& aText, const CFont* aFont,
const TRgb& aColor, const TPoint& aPosition)
{
iGc->SetPenColor(aColor);
iGc->UseFont(aFont);
iGc->DrawText(aText, aPosition);
}
// -----------------------------------------------------------------------------
// CHgVgDrawBuffer::GetDrawBufferToVgImage()
// Copies drawbuffer to vg image.
// -----------------------------------------------------------------------------
//
void CHgVgDrawBuffer::GetDrawBufferToVgImage(const TRect& aSrcRect,
const TPoint& aDest, VGImage destImage, VGImageFormat destFormat)
{
iDrawBuffer->BeginDataAccess();
TInt stride = iDrawBuffer->DataStride();
TInt sizeOfPixel = stride / iBufferSize.iWidth;
TUint8* ptr = (TUint8*)iDrawBuffer->DataAddress();
ptr += aSrcRect.iTl.iY * stride;
ptr += aSrcRect.iTl.iX * sizeOfPixel;
vgImageSubData (destImage, ptr, stride, destFormat, aDest.iX, aDest.iY, aSrcRect.Width(),
aSrcRect.Height());
iDrawBuffer->EndDataAccess();
}
// End of File