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 the License "Symbian Foundation License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include "APGPRIV.H"

    17 #include <e32hal.h>

    18 #include <s32strm.h>

    19 #include "APGCLI.H"

    20 #include "APGICNFL.H"

    21 #include "APGSTD.H"

    22 

    23 #define KDefaultIconSizeInPixels TSize(96,96)

    24 

    25 CApaIconPicture* CApaIconPicture::NewL(const TSize& aIconSizeInTwips, const TUid aAppUid)

    26 	{

    27 	CApaIconPicture* self=new(ELeave) CApaIconPicture(aIconSizeInTwips, aAppUid);

    28 	CleanupStack::PushL(self);

    29 	self->ConstructL();

    30 	self->CreateIconL();

    31 	CleanupStack::Pop(self);

    32 	return self;

    33 	}

    34 

    35 CApaIconPicture::CApaIconPicture(const TSize& aIconSizeInTwips, const TUid aAppUid)

    36 	: iAppUid(aAppUid),

    37 	iOriginalSizeInTwips(aIconSizeInTwips),

    38 	iScaleFactorWidth(1000),

    39 	iScaleFactorHeight(1000)

    40 	{

    41 	__DECLARE_NAME(_S("CApaIconPicture"));

    42 	}

    43 

    44 void CApaIconPicture::ConstructL()

    45 	{

    46 	TMachineInfoV1Buf machineInfoBuf;

    47 	User::LeaveIfError( UserHal::MachineInfo(machineInfoBuf) );

    48 	TMachineInfoV1& machineInfo=machineInfoBuf();

    49 	iDisplaySizeInTwips = machineInfo.iPhysicalScreenSize;

    50 	iDisplaySizeInPixels = machineInfo.iDisplaySizeInPixels;

    51 	//

    52 	}

    53 

    54 CApaIconPicture::~CApaIconPicture()

    55 	{

    56 	delete iIcon;

    57 	}

    58 

    59 

    60 void CApaIconPicture::CreateIconL()

    61 	{

    62 	// calculate the size of icon required in pixels

    63 	TSize sizeInPixels;

    64 	sizeInPixels.iWidth = (iOriginalSizeInTwips.iWidth*iDisplaySizeInPixels.iWidth*ScaleFactorWidth())/(iDisplaySizeInTwips.iWidth*1000);

    65 	sizeInPixels.iHeight = (iOriginalSizeInTwips.iHeight*iDisplaySizeInPixels.iHeight*ScaleFactorHeight())/(iDisplaySizeInTwips.iHeight*1000);

    66 	// if the required icon is not square get a large one and gdi will squash it during drawing

    67 	CApaMaskedBitmap* newIcon = CApaMaskedBitmap::NewLC();

    68 	RApaLsSession ls;

    69 	CleanupClosePushL(ls);

    70 	User::LeaveIfError(ls.Connect());

    71 	User::LeaveIfError(ls.GetAppIcon(iAppUid, sizeInPixels, *newIcon));

    72 	delete iIcon;

    73 	iIcon = newIcon;

    74 	CleanupStack::PopAndDestroy(&ls);

    75 	CleanupStack::Pop(newIcon);

    76 	//

    77 	// set physical size

    78 	TSize iconSizeInTwips;

    79 	iconSizeInTwips.iWidth = (iOriginalSizeInTwips.iWidth*ScaleFactorWidth())/1000;

    80 	iconSizeInTwips.iHeight = (iOriginalSizeInTwips.iHeight*ScaleFactorHeight())/1000;

    81 	iIcon->SetSizeInTwips(iconSizeInTwips);

    82 	}

    83 

    84 void CApaIconPicture::Draw(CGraphicsContext& aGc,const TPoint& aTopLeft,const TRect& aClipRect,

    85 						   MGraphicsDeviceMap* aMap) const

    86 	{

    87 	__ASSERT_DEBUG(iIcon,Panic(EDPanicNoIconInPicture));

    88 	//

    89 	TSize sizeInPixels(0,0);

    90 	sizeInPixels.iWidth = aMap->HorizontalTwipsToPixels(iOriginalSizeInTwips.iWidth);

    91 	sizeInPixels.iHeight = aMap->VerticalTwipsToPixels(iOriginalSizeInTwips.iHeight);

    92 	sizeInPixels.iWidth = (ScaleFactorWidth()*sizeInPixels.iWidth)/1000;

    93 	sizeInPixels.iHeight = (ScaleFactorHeight()*sizeInPixels.iHeight)/1000;

    94 	//

    95 	TRect originalRectInPixels(aTopLeft,sizeInPixels);

    96 	aGc.SetClippingRect(aClipRect);

    97 	aGc.DrawBitmap(originalRectInPixels,iIcon);

    98 	aGc.CancelClippingRect();

    99 	}

   100 

   101 	

   102 void CApaIconPicture::InternalizeL(RReadStream& /*aStream*/)

   103 	{} //lint !e1762 Suppress member function could be made const

   104 

   105 

   106 	

   107 void CApaIconPicture::ExternalizeL(RWriteStream& /*aStream*/)const

   108 	{}

   109 

   110 

   111 void CApaIconPicture::GetOriginalSizeInTwips(TSize& aOriginalSize) const

   112 	{

   113 	aOriginalSize = iOriginalSizeInTwips;

   114 	}

   115 

   116 

   117 void CApaIconPicture::SetScaleFactor(TInt aScaleFactorWidth,TInt aScaleFactorHeight)

   118 	{

   119 	iScaleFactorWidth = aScaleFactorWidth;

   120 	iScaleFactorHeight = aScaleFactorHeight;

   121 	TRAP_IGNORE(CreateIconL()); // ignore any error, just keep using the current icon instead

   122 	}

   123 

   124 

   125 TInt CApaIconPicture::ScaleFactorWidth() const

   126 	{

   127 	return iScaleFactorWidth;

   128 	}

   129 

   130 

   131 TInt CApaIconPicture::ScaleFactorHeight() const

   132 	{

   133 	return iScaleFactorHeight;

   134 	}

   135 

   136 

   137 TPictureCapability CApaIconPicture::Capability() const

   138 	{

   139 	return TPictureCapability(TPictureCapability::ENotScaleable,EFalse); // scalable, not cropable

   140 	}