// Copyright (c) 2006-2010 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:

//

/**

 @file

 @test

 @internalComponent - Internal Symbian test code 

*/

#include <e32hal.h>

#include <e32std.h>

#include <e32test.h>

#include <bitstd.h>

#include <bitdev.h>

#include <fntstore.h>

#include <fbs.h>

#include <hal.h>

#include <graphics/fbsdefs.h>

#include "tfontselect.h"

//If you want to do font tests with scaled device - change KScalingFactorX, KScalingFactorY, KScalingOriginPt.

const TInt KScalingFactorX = 1;

const TInt KScalingFactorY = 1;

const TPoint KScalingOriginPt(0, 0);

//Non valid font --> This font comes from System Test test data. Not a proper font, so it's best to skip it.

_LIT(KWrongFontFileName, "fnt");

CTFontSelect::CTFontSelect(CTestStep* aStep) :

	CTGraphicsBase(aStep),

	iFont1(NULL),

	iFont2(NULL),

	iFont3(NULL),

	iGc(NULL),

	iDevice(NULL)	

	{

	}

CTFontSelect::~CTFontSelect()

	{

	delete iGc;

	delete iDevice;

	}

void CTFontSelect::ConstructL()

	{

	TRAPD(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EColor256));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EColor16MU));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EColor4K));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EColor16M));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EColor64K));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EGray256));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EGray16));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EGray4));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EGray2));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EColor16));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EColor16MA));

	if (err == KErrNotSupported)

		TRAP(err,iDevice = CFbsScreenDevice::NewL(KNullDesC,EColor16MAP));

	if (err!=KErrNone)

		{

		_LIT(KLog,"Failed to create screen device, last returned error %d");

		INFO_PRINTF2(KLog,err);

		}

	User::LeaveIfError(err);

	iDevice->ChangeScreenDevice(NULL);

	iDevice->SetAutoUpdate(ETrue);

	iDevice->CreateContext(iGc);

	iDevice->SetScalingFactor(KScalingOriginPt, KScalingFactorX, KScalingFactorY, 1, 1);

	iGc->Activate(iDevice);

	}

/**

  @SYMTestCaseID GRAPHICS-BITGDI-0083

  @SYMDEF             

  @SYMTestCaseDesc Tests font selection

  @SYMTestPriority High

  @SYMTestStatus Implemented

  @SYMTestActions For different typeface and heights tests font selection to specific sizes

  @SYMTestExpectedResults Test should perform graphics operations succesfully. 

*/

void CTFontSelect::DoFontSelectTestsL()

	{

	TFontSpec fs;

	TInt typefaces = iDevice->NumTypefaces();

	TTypefaceSupport info;

	_LIT(KIgnoreFont1, "Test2");

	_LIT(KIgnoreFont2, "LinkedFont3TT"); //LinkedFont3/4TT both cause test failure on Freetype

	_LIT(KIgnoreFont3, "LinkedFont4TT"); //They are test files with incorrect metrics

	// Maximum height of font allowed by iType rasteriser

	const TInt KMaxITypeHeightInPixels = 256;

	_LIT(KErrorMessageWithFontName, "Font: %S, pixel height requested: %d, pixel height of font: %d");

	_LIT(KErrorMessage, "Pixel height requested: %d, pixel height of font: %d");

	for (TInt count = 0; count < typefaces; count++)

		{

		iDevice->TypefaceSupport( info, count );

		for (TInt index = 0; index < info.iNumHeights; index++)

			{

			TInt height = iDevice->FontHeightInPixels( count, index );

			if (height > KMaxITypeHeightInPixels)

				{

				continue;

				}

			fs.iTypeface = info.iTypeface;

			fs.iHeight = height;

			INFO_PRINTF1(_L("Test GetNearestFontInPixels"));

			User::LeaveIfError( iDevice->GetNearestFontInPixels( (CFont*&)iFont1 ,fs ) );

			TInt heightInPixels = iFont1->HeightInPixels();

			if ( heightInPixels == height )

				{

				TEST( ETrue );

				}

			else

				{

				TOpenFontFaceAttrib attrib;

				if( iFont1->GetFaceAttrib( attrib ) )

					{

					INFO_PRINTF4(KErrorMessageWithFontName, &attrib.FullName(), height, heightInPixels);

					}

				else

					{

					INFO_PRINTF3(KErrorMessage, height, heightInPixels);

					}

				TEST( EFalse );

				}

			INFO_PRINTF1(_L("Test GetNearestFontToDesignHeightInPixels"));

			User::LeaveIfError( iDevice->GetNearestFontToDesignHeightInPixels( (CFont*&)iFont2, fs ) );

			heightInPixels = iFont2->HeightInPixels();

			if ( heightInPixels == height )

				{

				TEST( ETrue );

				}

			else

				{

				TOpenFontFaceAttrib attrib;

				if( iFont2->GetFaceAttrib( attrib ) )

					{

					INFO_PRINTF4(KErrorMessageWithFontName, &attrib.FullName(), height, heightInPixels);

					}

				else

					{

					INFO_PRINTF3(KErrorMessage, height, heightInPixels);

					}

				TEST( EFalse );

				}

			iDevice->ReleaseFont( iFont2 );

			iDevice->ReleaseFont( iFont1 );

			}

		INFO_PRINTF1(_L("Test GetNearestFontToMaxHeightInPixels"));

		for (TInt maxHeight = 20; maxHeight <= 50; maxHeight += 10)

			{

			fs.iTypeface = info.iTypeface;

			fs.iHeight = maxHeight;

			User::LeaveIfError( iDevice->GetNearestFontToMaxHeightInPixels( (CFont*&)iFont3, fs, maxHeight ) );

			TBufC<64> fontName = ((CFont*&)iFont3)->FontSpecInTwips().iTypeface.iName;

			INFO_PRINTF2(_L("Font name: '%S'."), &fontName);

			if (fontName == KWrongFontFileName)

				{

				INFO_PRINTF2(_L(" ** '%S' is a wrong font file. Skip checks for this font **"), &fontName);

				break;

				}

			if (!fontName.Compare(KIgnoreFont1))

				{

				INFO_PRINTF1(_L(" ** 'Test2' font ignored. This files metrics are incorrect."));

				continue;

				}

			if (!fontName.Compare(KIgnoreFont2))

				{

				INFO_PRINTF1(_L(" ** 'LinkedFont3TT' font ignored. This files metrics are incorrect."));

				continue;

				}

			if (!fontName.Compare(KIgnoreFont3))

				{

				INFO_PRINTF1(_L(" ** 'LinkedFont4TT' font ignored. This files metrics are incorrect."));

				continue;

				}

			if (info.iIsScalable)

				{ // got a scalable (TrueType) font - can't guarantee will fit for bitmap font

				// N.B. If this ever fails then try replacing maxHeight with maxHeight + 1 in the test

				// as it could be down to the hinting rounding error that can very occasionally occur

				// We can't make this test reliably with bitmap fonts

				INFO_PRINTF1(_L("Font is scalable"));

				TEST(iFont3->FontMaxHeight() <= maxHeight+1);

				}

			INFO_PRINTF1(_L("Test font level metrics"));

			INFO_PRINTF3(_L("Requested max height %d, returned max height %d"), maxHeight, iFont3->FontMaxHeight());

			INFO_PRINTF4(_L("MaxAscent %d, MaxDescent %d, HeightInPixels %d"), iFont3->FontMaxAscent(), iFont3->FontMaxDescent(), iFont3->HeightInPixels());

			INFO_PRINTF3(_L("CapAscent %d, StdDescent %d"), iFont3->FontCapitalAscent(), iFont3->FontStandardDescent());

			TEST(iFont3->FontMaxHeight() >= ( iFont3->FontMaxAscent() + iFont3->FontMaxDescent() ));

			TEST(iFont3->FontMaxAscent() >= iFont3->FontCapitalAscent());

			TInt expMaxDescent=iFont3->FontStandardDescent();

			if (iDevice->SizeInPixels().iHeight>400)

				--expMaxDescent;		//To get test to pass on X86 and NaviEngine

			TEST(iFont3->FontMaxDescent() >= expMaxDescent);

			iDevice->ReleaseFont(iFont3);

			}

		}

	}

void CTFontSelect::RunTestCaseL(TInt aCurTestCase)

	{

	((CTFontSelectStep*)iStep)->SetTestStepID(KUnknownSYMTestCaseIDName);

	switch(aCurTestCase)

		{

		case 1:

			{

			((CTFontSelectStep*)iStep)->SetTestStepID(_L("GRAPHICS-BITGDI-0083"));

			INFO_PRINTF1(_L("DoFontSelectTest"));

			TRAPD(ret, DoFontSelectTestsL());

			TEST(ret == KErrNone);

			break;

			}

		case 2:

			{

			((CTFontSelectStep*)iStep)->SetTestStepID(KNotATestSYMTestCaseIDName);

			((CTFontSelectStep*)iStep)->CloseTMSGraphicsStep();

			TestComplete();		

			break;

			}

		}

	((CTFontSelectStep*)iStep)->RecordTestResultL();

	}

//--------------

__CONSTRUCT_STEP__(FontSelect)

void CTFontSelectStep::TestSetupL()

	{

	FbsStartup();

	User::LeaveIfError(RFbsSession::Connect());

	}

void CTFontSelectStep::TestClose()

	{

	RFbsSession::Disconnect();

	}