windowing/windowserver/tman/SCALE.CPP
changeset 0 5d03bc08d59c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/tman/SCALE.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,135 @@
+// Copyright (c) 1995-2009 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:
+// Test GDI scaling (pixels<->twips) functions
+// You can probably delete this test as it is now done by TMSCRMOD for each screen mode.
+// 
+//
+
+#include <e32std.h>
+#include "W32STD.H"
+#include "../tlib/testbase.h"
+#include "TMAN.H"
+
+class TScaleTest;
+
+class CScaleWindow : public CTWin
+	{
+public:
+	CScaleWindow(TScaleTest *aTest);
+	void SetUpLD(TPoint pos,TSize size,CTWinBase *parent, CWindowGc &aGc);
+	void Draw();
+	void WinKeyL(const TKeyEvent &aKey,const TTime &aTime);
+private:
+	TScaleTest *iTest;
+	};
+
+class TScaleTest : public CTestBase
+	{
+public:
+	TScaleTest();
+	~TScaleTest();
+	TestState DoTestL();
+	void ConstructL();
+private:
+	CScaleWindow *iWin;
+	TSize iWinSize;
+	TInt iState;
+	};
+
+GLDEF_C CTestBase *CreateScaleTest()
+	{
+	return(new(ELeave) TScaleTest());
+	}
+
+CScaleWindow::CScaleWindow(TScaleTest *aTest) : CTWin(), iTest(aTest)
+	{}
+
+void CScaleWindow::SetUpLD(TPoint pos,TSize size,CTWinBase *parent, CWindowGc &aGc)
+	{
+	ConstructExtLD(*parent,pos,size);
+	Activate();
+	AssignGC(aGc);
+	}
+
+void CScaleWindow::Draw()
+	{
+	iGc->Clear();
+	TSize twips=Client()->iScreen->SizeInTwips();
+	TSize pixels=Client()->iScreen->SizeInPixels();
+// Horizontal line
+	TInt inches=twips.iWidth/KTwipsPerInch-1;
+	TInt lineLen=Client()->iScreen->HorizontalTwipsToPixels(inches*KTwipsPerInch);
+	TPoint linePos=TPoint((pixels.iWidth-lineLen)/2,pixels.iHeight/2);
+	iGc->DrawLine(linePos,linePos+TPoint(lineLen,0));
+	TBuf<0x20> buf;
+	buf.Format(TRefByValue<const TDesC>(_L("Width %d\"")),inches);
+	iGc->DrawText(buf,TPoint((pixels.iWidth-iFont->TextWidthInPixels(buf))/2,linePos.iY-iFont->HeightInPixels()+iFont->AscentInPixels()-2));
+	TInt index;
+	for(index=0;index<=inches;index++)
+		{
+		TInt dx=Client()->iScreen->HorizontalTwipsToPixels(index*KTwipsPerInch);
+		TInt dy=Client()->iScreen->VerticalTwipsToPixels(KTwipsPerInch/(index==0 || index==inches ? 8 : 16));
+		iGc->DrawLine(linePos+TPoint(dx,1), linePos+TPoint(dx,dy));
+		}
+// Vertical line
+	inches=twips.iHeight/KTwipsPerInch;
+	lineLen=Client()->iScreen->VerticalTwipsToPixels(inches*KTwipsPerInch);
+	linePos.iY=(pixels.iHeight-lineLen)/2;
+	iGc->DrawLine(linePos,linePos+TPoint(0,lineLen));
+	buf.Format(TRefByValue<const TDesC>(_L("Height %d\"")),inches);
+	iGc->DrawText(buf,TPoint(linePos.iX+10, pixels.iHeight/4));
+	for(index=0;index<=inches;index++)
+		{
+		TInt dx=Client()->iScreen->HorizontalTwipsToPixels(KTwipsPerInch/(index==0 || index==inches ? 8 : 16));
+		TInt dy=Client()->iScreen->VerticalTwipsToPixels(index*KTwipsPerInch);
+		iGc->DrawLine(linePos+TPoint(1,dy), linePos+TPoint(dx,dy));
+		}
+	}
+
+void CScaleWindow::WinKeyL(const TKeyEvent &,const TTime &)
+	{
+	CActiveScheduler::Stop();
+	}
+
+TScaleTest::TScaleTest() : CTestBase(_L("Scale"))
+	{}
+
+TScaleTest::~TScaleTest()
+	{
+	CTWin::Delete(iWin);
+	}
+
+void TScaleTest::ConstructL()
+	{
+	CScaleWindow *win=new(ELeave) CScaleWindow(this);
+	win->SetUpLD(TPoint(0,0),Client()->iScreen->SizeInPixels(),Client()->iGroup,*Client()->iGc);
+	iWin=win;
+	Client()->iGroup->SetCurrentWindow(iWin);
+	}
+
+TestState TScaleTest::DoTestL()
+	{
+	switch(iState)
+		{
+		case 0:
+			LogSubTest(_L("Scale 1"),1);
+			CActiveScheduler::Start();
+			iState++;
+			break;
+		default:
+			return(EFinished);
+		}
+	return(ENext);
+	}
+