sl@0: // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Test GDI scaling (pixels<->twips) functions
sl@0: // You can probably delete this test as it is now done by TMSCRMOD for each screen mode.
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <e32std.h>
sl@0: #include "W32STD.H"
sl@0: #include "../tlib/testbase.h"
sl@0: #include "TMAN.H"
sl@0: 
sl@0: class TScaleTest;
sl@0: 
sl@0: class CScaleWindow : public CTWin
sl@0: 	{
sl@0: public:
sl@0: 	CScaleWindow(TScaleTest *aTest);
sl@0: 	void SetUpLD(TPoint pos,TSize size,CTWinBase *parent, CWindowGc &aGc);
sl@0: 	void Draw();
sl@0: 	void WinKeyL(const TKeyEvent &aKey,const TTime &aTime);
sl@0: private:
sl@0: 	TScaleTest *iTest;
sl@0: 	};
sl@0: 
sl@0: class TScaleTest : public CTestBase
sl@0: 	{
sl@0: public:
sl@0: 	TScaleTest();
sl@0: 	~TScaleTest();
sl@0: 	TestState DoTestL();
sl@0: 	void ConstructL();
sl@0: private:
sl@0: 	CScaleWindow *iWin;
sl@0: 	TSize iWinSize;
sl@0: 	TInt iState;
sl@0: 	};
sl@0: 
sl@0: GLDEF_C CTestBase *CreateScaleTest()
sl@0: 	{
sl@0: 	return(new(ELeave) TScaleTest());
sl@0: 	}
sl@0: 
sl@0: CScaleWindow::CScaleWindow(TScaleTest *aTest) : CTWin(), iTest(aTest)
sl@0: 	{}
sl@0: 
sl@0: void CScaleWindow::SetUpLD(TPoint pos,TSize size,CTWinBase *parent, CWindowGc &aGc)
sl@0: 	{
sl@0: 	ConstructExtLD(*parent,pos,size);
sl@0: 	Activate();
sl@0: 	AssignGC(aGc);
sl@0: 	}
sl@0: 
sl@0: void CScaleWindow::Draw()
sl@0: 	{
sl@0: 	iGc->Clear();
sl@0: 	TSize twips=Client()->iScreen->SizeInTwips();
sl@0: 	TSize pixels=Client()->iScreen->SizeInPixels();
sl@0: // Horizontal line
sl@0: 	TInt inches=twips.iWidth/KTwipsPerInch-1;
sl@0: 	TInt lineLen=Client()->iScreen->HorizontalTwipsToPixels(inches*KTwipsPerInch);
sl@0: 	TPoint linePos=TPoint((pixels.iWidth-lineLen)/2,pixels.iHeight/2);
sl@0: 	iGc->DrawLine(linePos,linePos+TPoint(lineLen,0));
sl@0: 	TBuf<0x20> buf;
sl@0: 	buf.Format(TRefByValue<const TDesC>(_L("Width %d\"")),inches);
sl@0: 	iGc->DrawText(buf,TPoint((pixels.iWidth-iFont->TextWidthInPixels(buf))/2,linePos.iY-iFont->HeightInPixels()+iFont->AscentInPixels()-2));
sl@0: 	TInt index;
sl@0: 	for(index=0;index<=inches;index++)
sl@0: 		{
sl@0: 		TInt dx=Client()->iScreen->HorizontalTwipsToPixels(index*KTwipsPerInch);
sl@0: 		TInt dy=Client()->iScreen->VerticalTwipsToPixels(KTwipsPerInch/(index==0 || index==inches ? 8 : 16));
sl@0: 		iGc->DrawLine(linePos+TPoint(dx,1), linePos+TPoint(dx,dy));
sl@0: 		}
sl@0: // Vertical line
sl@0: 	inches=twips.iHeight/KTwipsPerInch;
sl@0: 	lineLen=Client()->iScreen->VerticalTwipsToPixels(inches*KTwipsPerInch);
sl@0: 	linePos.iY=(pixels.iHeight-lineLen)/2;
sl@0: 	iGc->DrawLine(linePos,linePos+TPoint(0,lineLen));
sl@0: 	buf.Format(TRefByValue<const TDesC>(_L("Height %d\"")),inches);
sl@0: 	iGc->DrawText(buf,TPoint(linePos.iX+10, pixels.iHeight/4));
sl@0: 	for(index=0;index<=inches;index++)
sl@0: 		{
sl@0: 		TInt dx=Client()->iScreen->HorizontalTwipsToPixels(KTwipsPerInch/(index==0 || index==inches ? 8 : 16));
sl@0: 		TInt dy=Client()->iScreen->VerticalTwipsToPixels(index*KTwipsPerInch);
sl@0: 		iGc->DrawLine(linePos+TPoint(1,dy), linePos+TPoint(dx,dy));
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CScaleWindow::WinKeyL(const TKeyEvent &,const TTime &)
sl@0: 	{
sl@0: 	CActiveScheduler::Stop();
sl@0: 	}
sl@0: 
sl@0: TScaleTest::TScaleTest() : CTestBase(_L("Scale"))
sl@0: 	{}
sl@0: 
sl@0: TScaleTest::~TScaleTest()
sl@0: 	{
sl@0: 	CTWin::Delete(iWin);
sl@0: 	}
sl@0: 
sl@0: void TScaleTest::ConstructL()
sl@0: 	{
sl@0: 	CScaleWindow *win=new(ELeave) CScaleWindow(this);
sl@0: 	win->SetUpLD(TPoint(0,0),Client()->iScreen->SizeInPixels(),Client()->iGroup,*Client()->iGc);
sl@0: 	iWin=win;
sl@0: 	Client()->iGroup->SetCurrentWindow(iWin);
sl@0: 	}
sl@0: 
sl@0: TestState TScaleTest::DoTestL()
sl@0: 	{
sl@0: 	switch(iState)
sl@0: 		{
sl@0: 		case 0:
sl@0: 			LogSubTest(_L("Scale 1"),1);
sl@0: 			CActiveScheduler::Start();
sl@0: 			iState++;
sl@0: 			break;
sl@0: 		default:
sl@0: 			return(EFinished);
sl@0: 		}
sl@0: 	return(ENext);
sl@0: 	}
sl@0: