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			// ==== Phase 1 : From buffer to screen ====
			Bsx=500;
			Bsy=500;
			if (Bsx>dbBitmapWidth(1)) Bsx=dbBitmapWidth(1);
			if (Bsy>dbBitmapHeight(1)) Bsy=dbBitmapHeight(1);
			Bsx=int(Zoom*Bsx);
			Bsy=int(Zoom*Bsy);
			dbInk ( dbRgb( 0,0,0 ) , 0);
			dbBox ( 10 , 50 , 10+499 , 50+499);
			dbCopyBitmap ( 1 , BufX , BufY, BufX+Bsx-1 , BufY+Bsy-1 , 0 , 10 , 50 , 10+499 , 50+499 );
			// ==== Phase 2 :  Drawing on screen ====
			ETAPE=UseTool ( FA , ETAPE , 0 , 0 , 0 ,0 );

			// ==== Phase 3 : screen to buffer ====

			dbCopyBitmap ( 0 , 10 , 50 , 10+499 , 50+499 , 1 , BufX , BufY, BufX+Bsx-1 , BufY+Bsy-1 );

#define INITGUID
#include <dxdiag.h>
#include "DarkSDK.h"


void DarkSDK (void)
{

	dbSetDisplayMode(800,600,32);
	dbSyncOff();
	dbSyncRate(0);
	dbInk(dbRgb(255,255,255),dbRgb(0,0,0));
	dbBackdropOff();
	

	dbLockPixels();
	for(int y=0 ; y<100 ; y++)
	{
		for(int x=0 ; x<100 ; x++)
		{
			if (dbRnd(2)==1) dbDot(x,y);
		}
	}
	dbUnlockPixels();
	dbSync();
	dbWaitKey();
	
	int i=0;
	while (i<50)
	{
		i++;
		dbCopyBitmap(0,0,0,99,99,0,300,0,349,49);
		dbSync();
		dbCopyBitmap(0,300,0,349,49,0,0,0,99,99);
		dbSync();

	}
	dbSync();
	dbWaitKey();
// when you resize a bitmap and resize again himself, there is a scroll inside


}