// Copyright (c) 1997-2009 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:
// MCOT platform
//
//
#include <hal.h>
#include "scdraw.h"
#include "ScreenInfo.h"
#include <graphics/gdi/gdiconsts.h>
/**
Creates an instance of CFbsDrawDevice class.
@param aScreenNo Screen number
@param aDispMode Display mode
@param aScreenInfo Screen parameters: video memory address and screen size
@return A pointer to the created CFbsDrawDevice object
@leave System-wide error code including KErrNoMemory
@internalComponent
*/
static CFbsDrawDevice* CreateInstanceL(TInt aScreenNo,
TDisplayMode aDispMode,
const TScreenInfo& aScreenInfo)
{
CFbsDrawDevice* drawDevice = NULL;
switch (aDispMode)
{
case SCREEN_LAYOUT_DISPLAY_MODE:
drawDevice = new(ELeave) CDrawScreenBitmap;
CleanupStack::PushL(drawDevice);
User::LeaveIfError(((CDrawScreenBitmap*)drawDevice)->ConstructScreen(aScreenNo,
aScreenInfo.iAddress,
aScreenInfo.iSize));
break;
default:
User::Leave(KErrNotSupported);
}
CleanupStack::Pop(); // drawDevice
return drawDevice;
}
/**
@deprecated Use NewScreenDeviceL(TInt aScreenNo, TDisplayMode aDispMode)
*/
EXPORT_C CFbsDrawDevice* CFbsDrawDevice::NewScreenDeviceL(TScreenInfoV01 aInfo,
TDisplayMode aDispMode)
{
TScreenInfo screenInfo(aInfo.iScreenAddress, aInfo.iScreenSize);
return ::CreateInstanceL(KDefaultScreenNo, aDispMode, screenInfo);
}
/**
Creates a new screen device instance, which implements CFbsDrawDevice interface.
The method has to be implemented for each type of supported video hardware.
@param aScreenNo Screen number
@param aDispMode Requested display mode
@return A pointer to just created screen device, which implements CFbsDrawDevice interface
@leave KErrNoMemory Not enough memory
KErrNotSupported The requested screen device type is not supported
*/
EXPORT_C CFbsDrawDevice* CFbsDrawDevice::NewScreenDeviceL(TInt aScreenNo,
TDisplayMode aDispMode)
{
TInt address = 0, width = 0, height = 0;
User::LeaveIfError(HAL::Get(aScreenNo, HALData::EDisplayMemoryAddress, address));
User::LeaveIfError(HAL::Get(aScreenNo, HALData::EDisplayXPixels, width));
User::LeaveIfError(HAL::Get(aScreenNo, HALData::EDisplayYPixels, height));
__ASSERT_ALWAYS(width > 0 && height > 0 && address != 0, Panic(EScreenDriverPanicInvalidHalValue));
TScreenInfo screenInfo(reinterpret_cast <TAny*> (address), TSize(width, height));
return ::CreateInstanceL(aScreenNo, aDispMode, screenInfo);
}
/**
Depending on the current graphics hardware this
will return one of the 16M video modes defined in
TDisplayMode, or ENone if a 16M video mode is not supported.
@see TDisplayMode
@return a 16M display mode or ENone.
*/
EXPORT_C TDisplayMode CFbsDrawDevice::DisplayMode16M()
{
return ENone;
}