Koef = AbsHeight / AbsWidht;
		CADDraw.R.top = 0;
		CADDraw.R.left = 0;
		CADDraw.R.bottom = int(CADDraw.R.bottom * scale);
		CADDraw.R.right = int(CADDraw.R.right * scale);
		CADDraw.R.bottom = int(CADDraw.R.top  + CADDraw.R.right * Koef);			 
		CADDraw.DrawMode = DrwMode;
		HANDLE Hnd = DrawCADtoJpeg(CADImage, &CADDraw);		
		if (Hnd) 
		{
			DWORD Size = GlobalSize(Hnd);
			void *P = GlobalLock(Hnd);
			HANDLE FHnd = CreateFile(FileName, GENERIC_WRITE, FILE_SHARE_READ,
				NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
			if (FHnd) 
			{
				DWORD Wrt;
				WriteFile(FHnd, P, Size, &Wrt, NULL);
				CloseHandle(FHnd);			
			}
			GlobalUnlock(Hnd);    
			GlobalFree(Hnd);	
			
		}
	}

}

void CMainWindow::ChangeView(BYTE View)
{
	HMENU hMenu;

	if ((DrwMode != View) && (CADImage))
	{
		hMenu = GetMenu(hWnd);		
		CheckMenuItem(hMenu, ID_VIEW + DrwMode + 1, MF_BYCOMMAND | MF_UNCHECKED);
		DrwMode = View;
		CheckMenuItem(hMenu, ID_VIEW + View + 1, MF_BYCOMMAND | MF_CHECKED);
		RePaint();
	}
}

void CMainWindow::SetDefColor()
{
	CHOOSECOLOR cc;                 
	static COLORREF acrCustClr[16]; 
	static DWORD rgbCurrent;        
	
	ZeroMemory(&cc, sizeof(CHOOSECOLOR));
	cc.lStructSize = sizeof(CHOOSECOLOR);
	cc.hwndOwner = hWnd;
	cc.hwndOwner = 0;
	cc.lpCustColors = (LPDWORD) acrCustClr;
	cc.rgbResult = rgbCurrent;
	cc.Flags = CC_FULLOPEN | CC_RGBINIT;

	if (ChooseColor(&cc)) 
	{
		  SetDefaultColor(CADImage, cc.rgbResult);
	}
	RePaint();
}

void CMainWindow::DoCreateStatusBar(HWND hwndParent, HINSTANCE hInst) 
{     
    ::InitCommonControls(); 

    hwndStatusBar = CreateWindowEx( 
        0,                        
        STATUSCLASSNAME,          
        (LPCTSTR) NULL,           
        WS_CHILD | WS_BORDER,
        0, 0, 0, 0,               
        hwndParent,               
        NULL,                     
        hInst,                    
        NULL);                    

	SplitStatusBar();    
	SetTextToStatusBar("Demo"); 	
	ShowWindow(hwndStatusBar, SW_SHOWNORMAL);
}

void CMainWindow::SetTextToStatusBar(LPSTR str, int part)
{
	SendMessage(hwndStatusBar, SB_SETTEXT, part, (LPARAM) str); 
}

void CMainWindow::DoCreateToolBar(HWND hwndParent, HINSTANCE hInst) 
{	
    TBADDBITMAP tbAddBitMap[QUANTITY_OF_BUTTONS];	
    TBBUTTON tbButton[QUANTITY_OF_BUTTONS];
    ::InitCommonControls(); 
    hwndToolBar = ::CreateWindowEx( 
        0,      
        TOOLBARCLASSNAME,
        (LPCTSTR) NULL,  
        CCS_TOP | WS_CHILD,			 
        0, 0, 0, 0,        
        hwndParent,    
        NULL,
        hInst,         
        NULL);         
    ::SendMessage(hwndToolBar, TB_BUTTONSTRUCTSIZE, (WPARAM) sizeof(TBBUTTON) , (LPARAM)0 );
	for (int i=0; i< QUANTITY_OF_BUTTONS; i++) 
		tbAddBitMap[i].hInst = hInst;
	tbAddBitMap[0].nID = IDB_BMORBITUPX;
	tbAddBitMap[1].nID = IDB_BMORBITDOWNX;
	tbAddBitMap[2].nID = IDB_BMORBITUPY;
	tbAddBitMap[3].nID = IDB_BMORBITDOWNY;
	tbAddBitMap[4].nID = IDB_BMORBITUPZ;
	tbAddBitMap[5].nID = IDB_BMORBITDOWNZ;
	tbAddBitMap[6].nID = IDB_BMOPTIONSLAYERS;
	tbAddBitMap[7].nID = IDB_BMDRAWINGBOX;
	tbAddBitMap[8].nID = IDB_BMROTATE;
	tbButton[0].idCommand = IDM_ORBITUPX;
	tbButton[1].idCommand = IDM_ORBITDOWNX;
	tbButton[2].idCommand = IDM_ORBITUPY;
	tbButton[3].idCommand = IDM_ORBITDOWNY;
	tbButton[4].idCommand = IDM_ORBITUPZ;
	tbButton[5].idCommand = IDM_ORBITDOWNZ;
	tbButton[6].idCommand = IDM_OPTIONSLAYERS;
	tbButton[7].idCommand = IDM_OPTIONSDRAWINGBOX;
	tbButton[8].idCommand = IDM_ROTATE;
	::SendMessage(hwndToolBar, TB_SETBITMAPSIZE, (WPARAM) 0 , (LPARAM) MAKELONG(TOOLBAR_BUTTON_SIZE, TOOLBAR_BUTTON_SIZE));	
    
	for (i=0; i< QUANTITY_OF_BUTTONS; i++) 
	{
		tbButton[i].iBitmap = i;
		tbButton[i].fsState = TBSTATE_ENABLED;
	    tbButton[i].fsStyle = TBSTYLE_AUTOSIZE | TBSTYLE_BUTTON;
	    tbButton[i].dwData = 0;
		tbButton[i].iString = 0;		
		::SendMessage(hwndToolBar, TB_ADDBITMAP, (WPARAM) 0 , (LPARAM)&tbAddBitMap[i]);		
	}

    ::SendMessage(hwndToolBar, TB_SETBUTTONSIZE, (WPARAM) 0 , (LPARAM) MAKELONG(TOOLBAR_BUTTON_SIZE, TOOLBAR_BUTTON_SIZE));
	::SendMessage(hwndToolBar, TB_ADDBUTTONS , (WPARAM)i , (LPARAM)&tbButton); 		
	::SendMessage(hwndToolBar, TB_AUTOSIZE,   (WPARAM)0 , (LPARAM)0 );
	
	::ShowWindow(hwndToolBar, SW_SHOWNORMAL);    
}

void CMainWindow::DoCreateComboBox(HINSTANCE hInst) 
{	
	if (!hwndToolBar) return;
	if (CADImage) 
	{
		char LayoutName[100];
		int i, defaultLayout, Count;		
		Count = CADLayoutsCount(CADImage);
		defaultLayout = DefaultLayoutIndex(CADImage);
		if (hwndComboBox) 
			DestroyWindow(hwndComboBox);		
		hwndComboBox = ::CreateWindowEx( 
			0,      
			"COMBOBOX",
			(LPCTSTR) NULL,  
			CBS_DROPDOWNLIST | WS_CHILD,			 
			(TOOLBAR_BUTTON_SIZE+8)*QUANTITY_OF_BUTTONS, 4, 120, 40+COMBOBOX_ITEM_SIZE*Count,        
			hwndToolBar,    
			NULL,
			hInst,         
			NULL);		
	    for (i= 0; i < Count; ++i)
	    {
			CADLayoutName(CADImage, i, LayoutName, 100);			
			::SendMessage(hwndComboBox, (UINT) CB_ADDSTRING, 0, (LPARAM) (LPCTSTR) LayoutName);			
		}
		::SendMessage(hwndComboBox, (UINT) CB_SETCURSEL, (WPARAM) defaultLayout, 0);
		RePaint();
		::ShowWindow(hwndComboBox, SW_SHOWNORMAL);
	}	
}

int CMainWindow::SetBorder()
{
	if (CADImage != NULL)
	{
		SetCADBorderType(CADImage, iBorderType);
		if (iBorderType == 1)
			SetCADBorderSize(CADImage, dBorderSize / 100.0);
		else
			SetCADBorderSize(CADImage, dBorderSize);
		SetCurrentLayout();
	}
	return 1;
}

bool CMainWindow::SetCurrentLayout()
{
    int lindex;
    lindex = ::SendMessage(hwndComboBox, (UINT) CB_GETCURSEL, 0, 0);
	ResetDrawingBox();
    CurrentLayoutCAD(CADImage, lindex, TRUE);
	RecalculateExtents();
	SetScale(100);
	RePaint();
	return true;
}

bool CMainWindow::Is3D()
{
	int is3d;
	GetIs3dCAD(CADImage, &is3d);
	if (bRotated3D || (is3d == 1) )
		return true;
	return false;
}

void CMainWindow::DoMousePosition(POINTS PointOnScr)
{	
	if ((!CADImage) || (ScaleRect.x < 0 )) return;
	FPOINT newmousePt;
	POINT NearestPoint;
	char str[36];
	char NearestEntityName[100];
	float sX, sY;

	if (Is3D())
	{
		SetTextToStatusBar("Is 3D drawing", 1);
		return;
	}			
	NearestPoint.x = PointOnScr.x - offset.x;
	NearestPoint.y = PointOnScr.y - offset.y;
	sX = (float)((PointOnScr.x - offset.x) * ScaleRect.x / fAbsWidth);
	sY = (float)(1 - (PointOnScr.y - offset.y) * ScaleRect.y / fAbsHeight);
	GetCADCoords(CADImage, sX, sY, &newmousePt);
	sprintf(str, "(%6.6f, %6.6f)\0", newmousePt.x, newmousePt.y);
	SetTextToStatusBar(str, 1);	
	if (GetIsNearestPointMode())
	{
		GetNearestEntity(CADImage, NearestEntityName, 100, &CADDraw.R, (LPPOINT)&NearestPoint);
		DrawNearestMark(NearestPoint, &OldNearestPoint);		
		SetTextToStatusBar(NearestEntityName, 2);	
	}
}

void CMainWindow::SplitStatusBar(int nParts)
{
	RECT rcClient; 
    HLOCAL hloc; 
    LPINT lpParts; 
    int i, nWidth;
    GetClientRect(hWnd, &rcClient); 
    hloc = LocalAlloc(LHND, sizeof(int) * nParts); 
    lpParts = (LPINT)LocalLock(hloc); 
    nWidth = rcClient.right / nParts; 
    for (i = 0; i < nParts; i++) 
	{ 
        lpParts[i] = nWidth; 
        nWidth+= nWidth; 
    } 	
	
    ::SendMessage(hwndStatusBar, SB_SETPARTS, (WPARAM) nParts, (LPARAM) lpParts); 	

    LocalUnlock(hloc); 
    LocalFree(hloc);   
}

void CMainWindow::ReSize(WPARAM wParam,LPARAM lParam)
{
	SplitStatusBar();
  	::SendMessage(hwndStatusBar, WM_SIZE, wParam, lParam);
	::SendMessage(hwndToolBar, TB_AUTOSIZE, (WPARAM)0 , (LPARAM)0 );
}

void CMainWindow::RotateCAD(const AXES axis, const float angle)
{
	if (CADImage && !optionsCAD.IsDrawingBox) 
	{		
		SetRotateCAD(CADImage, angle, int(axis));
		bIsRotated = true;
		if (axis != axisZ)
		{
		  bRotated3D = true;
		  SetTextToStatusBar("", 2);	
		}
		RePaint();
	}
}

void CMainWindow::SetBgrndColor(const COLORREF color)
{
	colorBgrnd = color;
	RECT rect;
	GetClientRect(hWnd, &rect);
	LOGBRUSH brush;
	brush.lbStyle = BS_SOLID;
	brush.lbColor = colorBgrnd;
	brush.lbHatch = 0;
	brushBackground = CreateBrushIndirect(&brush);	
	FillRect(hMainWndDC, &rect, brushBackground);
	DeleteObject(brushBackground);
	RePaint();
}

void CMainWindow::ShowAboutDlg()
{
	::InitCommonControls();     
    DialogBox(hInstance, MAKEINTRESOURCE(IDD_ABOUT), hWnd, AboutDialogProc);	
}

void CMainWindow::ShowProgressDlg(bool Visible)
{
	if (hwndProgressDlg == NULL)
		hwndProgressDlg = CreateDialog(hInstance, MAKEINTRESOURCE(IDD_PROGRESS), hWnd, ProgressDialogProc);
	if (Visible)
	{
		SetWindowLong(hwndProgressDlg, GWL_USERDATA, (LONG) this);
		SendMessage(GetDlgItem(hwndProgressDlg, IDC_PROGRESS), (UINT) PBM_SETRANGE, (WPARAM) 0,  (LPARAM) MAKELPARAM (0, 100));  
		SendMessage(GetDlgItem(hwndProgressDlg, IDC_PROGRESS), (UINT) PBM_SETPOS, (WPARAM) 0,  (LPARAM) 0);
		ShowWindow(hwndProgressDlg, SW_SHOW);
		SetFocus(hwndProgressDlg);
	}
	else
	{
		ShowWindow(hwndProgressDlg, SW_HIDE);
		SetFocus(hWnd);
	}	
}

void CMainWindow::SetProgressValue(BYTE PercentDone)
{
	SendMessage(GetDlgItem(hwndProgressDlg, IDC_PROGRESS), (UINT) PBM_SETPOS, (WPARAM) PercentDone,  (LPARAM) 0);
	UpdateWindow(GetDlgItem(hwndProgressDlg, IDC_PROGRESS));
}

bool CMainWindow::StretchDrawDIB (HGLOBAL hMemDIB, HDC hDC, RECT * R)
{
    HBITMAP hBmp;
	BITMAPINFO *BitmapInfo;
	HDC hCompatibleDC;
	OSVERSIONINFO vx;	
	int bltMode;

	int BmpWidth, BmpHeight;
	int NumColor;											
	void *P = NULL;
	if (hMemDIB)
	{  
		P = GlobalLock(hMemDIB);
		
		BitmapInfo = (BITMAPINFO *) malloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
		memcpy(&BitmapInfo->bmiHeader, P, sizeof(BITMAPINFOHEADER));
		P = (void *)(int(P) + sizeof(BITMAPINFOHEADER));					
		NumColor = BitmapInfo->bmiHeader.biClrUsed;
		if (!NumColor)
		{
			NumColor = BitmapInfo->bmiHeader.biBitCount;
			if (NumColor > 8) NumColor = 0;
			else NumColor = 1 << NumColor;
		}
		void * Colors = (void *)(int(BitmapInfo) + BitmapInfo->bmiHeader.biSize);			
		memcpy(Colors, P, NumColor * sizeof(RGBQUAD));
		P = (void *)(int(P) + NumColor * sizeof(RGBQUAD));					
		BmpWidth = BitmapInfo->bmiHeader.biWidth;
		BmpHeight = BitmapInfo->bmiHeader.biHeight;
		if (BmpHeight < 0) BmpHeight = -BmpHeight;

		void *BitsMem = NULL;
		hBmp = CreateDIBSection(hDC, BitmapInfo, DIB_RGB_COLORS, &BitsMem, 0, 0);
		NumColor = BmpHeight * ((BmpWidth * BitmapInfo->bmiHeader.biBitCount + 31 & -32) >> 3);

		memcpy(BitsMem, P, NumColor);

		free(BitmapInfo);			
		hCompatibleDC = CreateCompatibleDC(hDC);			

		HGDIOBJ OldObject = SelectObject(hCompatibleDC, hBmp);

		bltMode = GetStretchBltMode(hDC);
		GetVersionEx(&vx);				
		if(vx.dwPlatformId==VER_PLATFORM_WIN32_NT) 
			SetStretchBltMode(hDC,HALFTONE);
		else
			SetStretchBltMode(hDC,COLORONCOLOR);
		
		StretchBlt(hDC, 0, 0, R->right, R->bottom, hCompatibleDC, 0, 0, BmpWidth, BmpHeight, SRCCOPY);
		SetStretchBltMode(hDC, bltMode);

		SelectObject(hCompatibleDC, OldObject);
		DeleteObject(hBmp);				
		DeleteDC(hCompatibleDC);
	}
	if (hMemDIB) 
		GlobalFree(hMemDIB);
    return TRUE;
}


void CMainWindow::ShowPictureDlg(bool Visible)
{		
	if (hwndPictureDlg == NULL)
	{
		hwndPictureDlg = CreateDialog(hInstance, (LPCTSTR)IDD_PICTURE, hWnd, (DLGPROC)PictureDialogProc);	
		SetWindowLong(hwndPictureDlg, GWL_USERDATA, (LONG) this);
	}
	if (Visible)
	{	
		ShowWindow(hwndPictureDlg, SW_SHOW);
		SetFocus(hwndPictureDlg);
	}
	else
	{
		ShowWindow(hwndPictureDlg, SW_HIDE);
		SetFocus(hWnd);
	}
}

void CMainWindow::ShowLayersDlg(bool Visible)
{		
	if (hwndLayersDlg == NULL)
		hwndLayersDlg = CreateDialog(hInstance, (LPCTSTR)IDD_LAYERS, hWnd, (DLGPROC)LayersDialogProc);	
	if (Visible)
	{
		ShowWindow(hwndLayersDlg, SW_SHOW);
		SetFocus(hwndLayersDlg);
	}
	else
	{
		ShowWindow(hwndLayersDlg, SW_HIDE);
		SetFocus(hWnd);
	}	
}

void CMainWindow::ShowPropertiesDlg(bool Visible)
{		
	if (hwndPropertiesDlg == NULL)
		hwndPropertiesDlg = CreateDialog(hInstance, (LPCTSTR)IDD_PROPERTIES, hWnd, (DLGPROC) PropertiesDialogProc);	
	if (Visible)
	{
		SetWindowLong(hwndPropertiesDlg, GWL_USERDATA, (LONG) this);
		SendMessage(hwndPropertiesDlg, WM_INITDIALOG, 0, 0);
		ShowWindow(hwndPropertiesDlg, SW_SHOW);
		SetFocus(hwndPropertiesDlg);
	}
	else
	{
		ShowWindow(hwndPropertiesDlg, SW_HIDE);
		SetFocus(hWnd);
	}	
}

void CMainWindow::ResetDrawingBox()
{
	if ((CADImage != NULL) && optionsCAD.IsDrawingBox && !bIsRotated)
	{
		ResetDrawingBoxCAD(CADImage);		
		RecalculateExtents();
		optionsCAD.IsDrawingBox = false;
		RePaint();		
	}		
}

void CMainWindow::SetDrawingBox()
{
	optionsCAD.IsDrawingBox = true;
	if ((CADImage != NULL) && !bIsRotated)
	{		
		rectDrawingBox.Points.Left = (frectExtentsCAD.Points.Left + frectExtentsCAD.Points.Right)/2;
		rectDrawingBox.Points.Top =  frectExtentsCAD.Points.Top;
		rectDrawingBox.Points.Z1 = 0;  
		rectDrawingBox.Points.Right = frectExtentsCAD.Points.Right; 
		rectDrawingBox.Points.Bottom = frectExtentsCAD.Points.Bottom; 
		rectDrawingBox.Points.Z2 = 0; 		
		SetDrawingBoxCAD(CADImage, &rectDrawingBox);
		RecalculateExtents();		
		RePaint();
	}	
}

void CMainWindow::DrawNearestMark(POINT NewPoint, LPPOINT OldPoint)
{
	RECT NewR, OldR;
	HPEN hPen = CreatePen(PS_SOLID, 1, 0xFF0000);
	HPEN hOldPen = (HPEN)SelectObject(hMainWndDC, hPen);

	HBRUSH hBrush;
	HBRUSH hOldBrush;
	LOGBRUSH LogBrush;
	
	int Index = SaveDC(hMainWndDC);

	LogBrush.lbStyle = BS_SOLID;
	LogBrush.lbHatch = 0;
	LogBrush.lbColor = 0xFF0000;
	hBrush = CreateBrushIndirect(&LogBrush);
	hOldBrush = (HBRUSH)SelectObject(hMainWndDC, hBrush);

	hOldPen = (HPEN)SelectObject(hMainWndDC, hPen);