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 //

    15 

    16 #include "GRDPRINT.H"

    17 

    18 EXPORT_C CGridPrinter::~CGridPrinter()

    19 /** Destructor.

    20 

    21 Frees resources before destruction of the object. */

    22 	{

    23 	delete iGridLay;

    24 	delete iGridImg;

    25 	delete iPrintLabelImg;

    26 	delete iPrintCellImg;

    27 	delete iZoomFactor;

    28 	}

    29 

    30 CGridPrinter::CGridPrinter(CGridLabelImg* aPrintLabelImg,CGridCellImg* aPrintCellImg,TZoomFactor* aZoomFactor)

    31 	: iPrintLabelImg(aPrintLabelImg),

    32 	iPrintCellImg(aPrintCellImg),

    33 	iZoomFactor(aZoomFactor),

    34 	iGraphicsDeviceMap(iZoomFactor->GraphicsDeviceMap())

    35 	{

    36 	}

    37 

    38 EXPORT_C CGridPrinter* CGridPrinter::NewL(CGridLay* aGridLay,CGridLabelImg* aPrintLabelImg,

    39 	CGridCellImg* aPrintCellImg,TZoomFactor* aZoomFactor)

    40 /** Creates a new grid printer object.

    41 

    42 @param aGridLay A pointer to an object that controls the layout of rows and 

    43 columns.

    44 @param aPrintLabelImg A pointer to an object that draws a grid cell's label.

    45 @param aPrintCellImg A pointer to an object that draws the contents of a single 

    46 cell.

    47 @param aZoomFactor A pointer to the zoom factor object.

    48 @see CGridLay::ConstructL() */

    49 	{

    50 	CGridPrinter* self=new(ELeave) CGridPrinter(aPrintLabelImg,aPrintCellImg,aZoomFactor);

    51 	CleanupStack::PushL(self);

    52 	self->ConstructL(aGridLay);

    53 	CleanupStack::Pop();

    54 	return self;

    55 	}

    56 

    57 void CGridPrinter::ConstructL(CGridLay* aGridLay)

    58 	{

    59 	iGridLay=new(ELeave) CGridLay(iZoomFactor);

    60 	iGridImg=CGridImg::NewL(iPrintCellImg,iGridLay);

    61 	iGridImg->SetGridLabelImg(iPrintLabelImg);

    62 	iGridLay->ConstructL(aGridLay,iGridImg);

    63 	}

    64 

    65 LOCAL_C void CleanupGridLabelImg(TAny* aObject)

    66 	{

    67 	((CGridLabelImg*)aObject)->ReleaseFont();

    68 	((CGridLabelImg*)aObject)->SetGraphicsDeviceMap(NULL);

    69 	}

    70 

    71 EXPORT_C void CGridPrinter::PrintBandL(CGraphicsDevice* aDevice,TInt aPageNo,const TBandAttributes& aBandInPixels)

    72 /** Prints a band.

    73 

    74 The function implements MPageRegionPrinter::PrintBandL().

    75 

    76 @param aDevice Pointer to the graphics device representing the printer

    77 @param aPageNo The number of the page containing the band to be printed.

    78 @param aBandInPixels Attributes of the band to be printed. */

    79     {

    80 	if (aBandInPixels.iFirstBandOnPage)

    81 		{

    82 		TSize pageSize=iGridLay->PageSizeInTwips();

    83 		iPrintablePage.SetRect(iTlMarginInTwips,pageSize);

    84 		iZoomFactor->SetGraphicsDeviceMap(iGraphicsDeviceMap);	// the real printing device

    85 		iPrintLabelImg->SetGraphicsDeviceMap(iZoomFactor);

    86 		iPrintLabelImg->NotifyGraphicsDeviceMapChangeL();

    87 		TRect printGridRect=iZoomFactor->TwipsToPixels(iPrintablePage);

    88 		printGridRect.iTl+=TPoint(1,1); //For border

    89 		iGridImg->SetPrintGridRect(printGridRect);

    90 		iPrintLabelImg->ReleaseFont();

    91 		TRangeRef pageRange=iGridLay->PageToRange(aPageNo,CGridLay::ERightThenDown/*!!For Now*/);

    92 		iGridLay->SetPrintRange(pageRange);

    93 		}

    94 	iZoomFactor->SetGraphicsDeviceMap(aDevice);

    95 	iPrintLabelImg->SetGraphicsDeviceMap(iZoomFactor);

    96 	iPrintLabelImg->NotifyGraphicsDeviceMapChangeL();

    97 	TRect printablePageInPixels=iZoomFactor->TwipsToPixels(iPrintablePage);

    98 	iScaleFactor=(iGridImg->GridRect().Height()*CGridImg::EScaleOneToOne-1)/printablePageInPixels.Height()+1;//Round up

    99 

   100 	TRect printRect=aBandInPixels.iRect;

   101 	if (!printRect.Intersects(printablePageInPixels))

   102 		return;

   103 	printRect.Intersection(printablePageInPixels);

   104 

   105 	TRangeRef printRange=iGridLay->VisibleRange();

   106 	printRange.iFrom.iRow=Max(printRange.iFrom.iRow,iGridLay->YValToRow(printRect.iTl.iY*iScaleFactor/CGridImg::EScaleOneToOne));

   107 	printRange.iTo.iRow=Min(printRange.iTo.iRow,iGridLay->YValToRow(printRect.iBr.iY*iScaleFactor/CGridImg::EScaleOneToOne));

   108 	CleanupStack::PushL(TCleanupItem(CleanupGridLabelImg,iPrintLabelImg));

   109 	CGraphicsContext* printerGc;

   110 	User::LeaveIfError(aDevice->CreateContext(printerGc));

   111 	CleanupStack::PushL(printerGc);

   112 	iGridImg->PrintGridLinesAndCellsInRangeL(printerGc,printRange,iScaleFactor);

   113 	CleanupStack::PopAndDestroy(2);	// printerGc + CleanupGridLabelImg

   114     }

   115 

   116 EXPORT_C void CGridPrinter::SetTopLeftMargin(const TPoint& aTlMarginInTwips)

   117 /** Sets the top left margin.

   118 

   119 @param aTlMarginInTwips The top left margin, in twips. */

   120 	{

   121 	iTlMarginInTwips=aTlMarginInTwips;

   122 	}

   123 

   124 EXPORT_C void CGridPrinter::SetPageSizeInTwipsL(const TSize& aSizeInTwips)

   125 /** Sets the size of the page.

   126 

   127 @param aSizeInTwips The size of the page, in twips. */

   128 	{

   129 	if (!iGridLay->IsAutoPagination())

   130 		{

   131 		iGridLay->SetPageSizeInTwipsL(aSizeInTwips);	// won't leave

   132 		return;

   133 		}

   134 	SetGdMapAndPushLabelImgLC();

   135 	iGridLay->SetPageSizeInTwipsL(aSizeInTwips);

   136 	CleanupStack::PopAndDestroy();	// CleanupGridLabelImg

   137 	}

   138 

   139 EXPORT_C void CGridPrinter::PaginateL()

   140 /** Paginates the grid. */

   141 	{

   142 	if (iGridLay->IsPaginated())

   143 		return;

   144 	SetGdMapAndPushLabelImgLC();

   145 	iGridLay->PaginateL();

   146 	CleanupStack::PopAndDestroy();	// CleanupGridLabelImg

   147 	}

   148 

   149 void CGridPrinter::SetGdMapAndPushLabelImgLC()

   150 	{

   151 	iZoomFactor->SetGraphicsDeviceMap(iGraphicsDeviceMap);	// re-paginate with the real printing device

   152 	iPrintLabelImg->SetGraphicsDeviceMap(iZoomFactor);

   153 	iPrintLabelImg->NotifyGraphicsDeviceMapChangeL();

   154 	iGridLay->SetGraphicsDeviceMap(iZoomFactor);	// Pointer value is same but internal rep. may be different

   155 	CleanupStack::PushL(TCleanupItem(CleanupGridLabelImg,iPrintLabelImg));

   156 	}