Symaptic: os/graphics/graphicsdeviceinterface/screendriver/smint/SCCOL.CPP@260cb5ec6c19

     1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    16 #include <hal.h>

    17 #include "scdraw.h"

    19 /**

    20 Constructs the CDrawScreenBitmap object.

    21 @param aScreenNo Screen number. It will be used in HAL::Get() calls.

    22 @param aBitmapAddress The screen memory address.

    23 @param aSize Screen size

    24 @return System-wide error codes, KErrNone if the construction was successfull.

    25 */

    26 TInt CDrawScreenBitmap::ConstructScreen(TInt aScreenNo, TAny* aBitmapAddress,TSize aSize)

    27 	{

    28     iScreenNo = aScreenNo;

    29 	TInt ret = SCREEN_LAYOUT_BASE_BITMAP::Construct(aSize);

    30 	if (ret != KErrNone)

    31 		return ret;

    33 	//fixup for emulating smaller screen

    34 	TInt offset = 0;

    35 	ret = HAL::Get(iScreenNo, HALData::EDisplayOffsetBetweenLines, offset);

    36 	if (ret == KErrNone && (offset != aSize.iWidth))

    37 		{

    38 		iLongWidth = offset;

    39 		iScanLineWords = iLongWidth / 4;

    40 		User::Heap().Free(iScanLineBuffer);

    41 		iScanLineBuffer = (TUint32*)(User::Heap().Alloc(offset));

    42 		if(iScanLineBuffer == NULL)

    43 			return KErrNoMemory;

    44 		}

    45 	//fixup for emulating smaller screen

    47 	offset = 0; // Pass in display mode

    48 	ret = HAL::Get(iScreenNo, HALData::EDisplayOffsetToFirstPixel,offset);

    49 	iBits = (TUint32*)aBitmapAddress;

    50 	iBits += offset / sizeof(TUint32);

    51 	return ret;

    52 	}

    54 void CDrawScreenBitmap::SetDisplayMode(CFbsDrawDevice* aDrawDevice)

    55 	{

    56 	CopyOldSettings(aDrawDevice);

    57 	}

    59 void CDrawScreenBitmap::OrientationsAvailable(TBool aOrientation[4])

    60 	{

    61 	aOrientation[EOrientationNormal] = ETrue;

    62 	aOrientation[EOrientationRotated90] = ETrue;

    63 	aOrientation[EOrientationRotated180] = ETrue;

    64 	aOrientation[EOrientationRotated270] = ETrue;

    65 	}

    67 TBool CDrawScreenBitmap::SetOrientation(TOrientation aOrientation)

    68 	{

    69 	iOrientation = aOrientation;

    70 	return ETrue;

    71 	}

    73 TInt CDrawScreenBitmap::HorzTwipsPerThousandPixels() const

    74 	{

    75 	if (iSize.iWidth == 0)

    76 		return 0;

    78 	TInt twips = 0;

    79 	HAL::Get(iScreenNo, HALData::EDisplayXTwips,twips);

    81 	return twips * 1000 / iSize.iWidth; // iSize gets iWidth and iHeight swapped by changing the orientation so always use iWidth

    82 	}

    84 TInt CDrawScreenBitmap::VertTwipsPerThousandPixels() const

    85 	{

    86 	if (iSize.iHeight == 0)

    87 		return 0;

    89 	TInt twips = 0;

    90 	HAL::Get(iScreenNo, HALData::EDisplayYTwips,twips);

    92 	return twips * 1000 / iSize.iHeight;

    93 	}

author	sl
	Tue, 10 Jun 2014 14:32:02 +0200
changeset 1	260cb5ec6c19
permissions	-rw-r--r--