#include <w32std.h> 

#include "profiler.h"

#include <graphics/surfacemanager.h>

#include <graphics/surfaceupdateclient.h>

const TSize KSize(64,60);

const TInt KRow = 4;

const TInt KCol = 5; 

void MainL()	

	{	

	RWsSession ws;

	ws.Connect();

 	CWsScreenDevice* scr = new(ELeave) CWsScreenDevice(ws);

	scr->Construct();

 	CWindowGc* gc = new(ELeave) CWindowGc(scr);

	gc->Construct();

 	RWindowGroup grp(ws);

	grp.Construct(0xc0decafe, ETrue);

 	RWindow win(ws);

	win.Construct(grp, 0xbeefcafe);

	win.SetExtent(TPoint(20,160), TSize(320,240));

	win.Activate();

 	win.Invalidate();

	win.BeginRedraw();

	gc->Activate(win);

 	gc->SetPenStyle(CGraphicsContext::ENullPen);

	gc->SetBrushStyle(CGraphicsContext::ESolidBrush);

 	TBool color = EFalse;

if (Profiler::Start() == KErrNotFound)

	{

	_LIT(KProfiler,"profiler");

	_LIT(KStart,"start -noui -drive=S");

	RProcess p;

	if (p.Create(KProfiler,KStart) == KErrNone)

		{

		p.Resume();

		p.Close();

		}

	}

	for (TInt col=0; col<KCol; ++col)

		{

		color = !color;		

		for (TInt row=0; row<KRow; ++row)

			{

			TRect rect;

			rect.iTl.iX = col * KSize.iWidth;

			rect.iTl.iY = row * KSize.iHeight;

			rect.SetSize(KSize);

			color = !color;

			// Semitransparent green or black

			gc->SetBrushColor(color? TRgb(0x00ff00, 30) : TRgb(0x000000, 30));

			gc->DrawRect(rect);

			}

	}

	// Open the surface manager

	RSurfaceManager surfaceManager;

	User::LeaveIfError(surfaceManager.Open());

	// Store the attributes used to create the Surface

	RSurfaceManager::TSurfaceCreationAttributesBuf buf;

	RSurfaceManager::TSurfaceCreationAttributes& attributes = buf();

	attributes.iBuffers = 4;                // > 0, <= 4

	attributes.iOffsetToFirstBuffer = 184;  // > 0, divisible by alignment

	attributes.iAlignment = 4;              // 1 || 2 || 4 || 8

	attributes.iContiguous = EFalse;

	attributes.iMappable = ETrue;

	RSurfaceManager::THintPair hints[2];         // two hint pairs specified

	attributes.iHintCount=2;

	hints[0].Set(TUid::Uid(0x124578), 20, ETrue);

	hints[1].Set(TUid::Uid(0x237755), 50, EFalse);

	attributes.iSurfaceHints = hints;

	attributes.iOffsetBetweenBuffers = 0;

	// Create a surface

	TSurfaceId surfaceId;

	User::LeaveIfError(surfaceManager.CreateSurface(buf, surfaceId));

	// We have a surface, so map it in.

	RChunk chunk;

	TInt err = surfaceManager.MapSurface(surfaceId, chunk);

	if ( err == KErrNone)

	    { 

	    // Get info about it

	    RSurfaceManager::TInfoBuf buf;

	    RSurfaceManager::TSurfaceInfoV01& surfaceInfo = buf(); 

	    surfaceManager.SurfaceInfo(surfaceId, buf); 

	    }

	win.SetBackgroundSurface(surfaceId);

	gc->Deactivate();

	win.EndRedraw();

	ws.Flush();

 	User::After(3000000);

 	win.Close();

	grp.Close();

	delete gc;

	delete scr;

	ws.Close();

	Profiler::Stop();

	Profiler::Close();

	Profiler::Unload();

	} 

GLDEF_C TInt E32Main()	

{	

	CTrapCleanup* tc = CTrapCleanup::New();	

	if (!tc)

		{		

		return KErrNoMemory;

		}

	TRAPD(err, MainL());

	delete tc;

 	return err;	

}