src/mac/carbon/region.cpp

/////////////////////////////////////////////////////////////////////////////
// File:      region.cpp
// Purpose:   Region class
// Author:    Stefan Csomor
// Created:   Fri Oct 24 10:46:34 MET 1997
// RCS-ID:    $Id$
// Copyright: (c) 1997 Stefan Csomor
// Licence:   wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "region.h"
#endif

#include "wx/region.h"
#include "wx/gdicmn.h"
#include "wx/mac/uma.h"

#if !USE_SHARED_LIBRARY
    IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
    IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
#endif

//-----------------------------------------------------------------------------
// wxRegionRefData implementation
//-----------------------------------------------------------------------------

class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
public:
    wxRegionRefData()
    {
        m_macRgn = NewRgn() ;
    }

    wxRegionRefData(const wxRegionRefData& data)
        : wxGDIRefData()
    {
        m_macRgn = NewRgn() ;
        CopyRgn( data.m_macRgn , m_macRgn ) ;
    }

    ~wxRegionRefData()
    {
        DisposeRgn( m_macRgn ) ;
    }
    RgnHandle    m_macRgn ;
};

#define M_REGION (((wxRegionRefData*)m_refData)->m_macRgn)
#define OTHER_M_REGION(a) (((wxRegionRefData*)(a.m_refData))->m_macRgn)

//-----------------------------------------------------------------------------
// wxRegion
//-----------------------------------------------------------------------------

/*!
 * Create an empty region.
 */
wxRegion::wxRegion()
{
    m_refData = new wxRegionRefData;
}

wxRegion::wxRegion(WXHRGN hRegion )
{
    m_refData = new wxRegionRefData;
    CopyRgn( (RgnHandle) hRegion , (RgnHandle) M_REGION ) ;
}

wxRegion::wxRegion(long x, long y, long w, long h)
{
    m_refData = new wxRegionRefData;
    SetRectRgn( (RgnHandle) M_REGION , x , y , x+w , y+h ) ;
}

wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
{
    m_refData = new wxRegionRefData;
    SetRectRgn( (RgnHandle) M_REGION , topLeft.x , topLeft.y , bottomRight.x , bottomRight.y ) ;
}

wxRegion::wxRegion(const wxRect& rect)
{
    m_refData = new wxRegionRefData;
    SetRectRgn( (RgnHandle) M_REGION , rect.x , rect.y , rect.x+rect.width , rect.y+rect.height ) ;
}

wxRegion::wxRegion(size_t n, const wxPoint *points, int WXUNUSED(fillStyle))
{
    m_refData = new wxRegionRefData;

    OpenRgn();

    wxCoord x1, x2 , y1 , y2 ;
    x2 = x1 = points[0].x ;
    y2 = y1 = points[0].y ;
    ::MoveTo(x1,y1);
    for (size_t i = 1; i < n; i++)
    {
        x2 = points[i].x ;
        y2 = points[i].y ;
        ::LineTo(x2, y2);
    }
    // close the polyline if necessary
    if ( x1 != x2 || y1 != y2 )
    {
        ::LineTo(x1,y1 ) ;
    }
    ClosePoly();
    CloseRgn( M_REGION ) ;
}

/*!
 * Destroy the region.
 */
wxRegion::~wxRegion()
{
    // m_refData unrefed in ~wxObject
}

//-----------------------------------------------------------------------------
//# Modify region
//-----------------------------------------------------------------------------

//! Clear current region
void wxRegion::Clear()
{
    UnRef();
}

//! Combine rectangle (x, y, w, h) with this.
bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
{
    // Don't change shared data
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
    }
    else if (m_refData->GetRefCount() > 1)
    {
        wxRegionRefData* ref = (wxRegionRefData*)m_refData;
        UnRef();
        m_refData = new wxRegionRefData(*ref);
    }
    RgnHandle rgn = NewRgn() ;
        SetRectRgn( rgn , x , y, x+width,y + height ) ;

    switch (op)
    {
        case wxRGN_AND:
            SectRgn( M_REGION , rgn , M_REGION ) ;
            break ;
        case wxRGN_OR:
            UnionRgn( M_REGION , rgn , M_REGION ) ;
            break ;
        case wxRGN_XOR:
             XorRgn( M_REGION , rgn , M_REGION ) ;
            break ;
        case wxRGN_DIFF:
            DiffRgn( M_REGION , rgn , M_REGION ) ;
            break ;
        case wxRGN_COPY:
        default:
                   CopyRgn( rgn ,M_REGION ) ;
            break ;
    }

        DisposeRgn( rgn ) ;

    return TRUE;
}

//! Union /e region with this.
bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
{
    if (region.Empty())
        return FALSE;

    // Don't change shared data
    if (!m_refData) {
        m_refData = new wxRegionRefData();
    }
    else    if (m_refData->GetRefCount() > 1)
    {
        wxRegionRefData* ref = (wxRegionRefData*)m_refData;
        UnRef();
        m_refData = new wxRegionRefData(*ref);
    }

    switch (op)
    {
        case wxRGN_AND:
            SectRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
            break ;
        case wxRGN_OR:
            UnionRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
            break ;
        case wxRGN_XOR:
             XorRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
            break ;
        case wxRGN_DIFF:
            DiffRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
            break ;
        case wxRGN_COPY:
        default:
                   CopyRgn( OTHER_M_REGION(region) ,M_REGION ) ;
            break ;
    }

    return TRUE;
}

bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
{
    return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op);
}

//-----------------------------------------------------------------------------
//# Information on region
//-----------------------------------------------------------------------------

// Outer bounds of region
void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const
{
    if (m_refData)
    {
        Rect box ;
        GetRegionBounds( M_REGION , &box ) ;
        x = box.left ;
        y = box.top ;
        w = box.right - box.left ;
        h = box.bottom - box.top ;
    }
    else
    {
        x = y = w = h = 0;
    }
}

wxRect wxRegion::GetBox() const
{
    wxCoord x, y, w, h;
    GetBox(x, y, w, h);
    return wxRect(x, y, w, h);
}

// Is region empty?
bool wxRegion::Empty() const
{
    return EmptyRgn( M_REGION ) ;
}

const WXHRGN wxRegion::GetWXHRGN() const
{
    return M_REGION ;
}

//-----------------------------------------------------------------------------
//# Tests
//-----------------------------------------------------------------------------

// Does the region contain the point (x,y)?
wxRegionContain wxRegion::Contains(long x, long y) const
{
    if (!m_refData)
        return wxOutRegion;

    // TODO. Return wxInRegion if within region.
    if (0)
        return wxInRegion;
    return wxOutRegion;
}

// Does the region contain the point pt?
wxRegionContain wxRegion::Contains(const wxPoint& pt) const
{
    if (!m_refData)
        return wxOutRegion;

    Point p = { pt.y , pt.x } ;
    if (PtInRgn( p , M_REGION ) )
        return wxInRegion;

    return wxOutRegion;
}

// Does the region contain the rectangle (x, y, w, h)?
wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const
{
    if (!m_refData)
        return wxOutRegion;

    Rect rect = { y , x , y + h , x + w } ;
    if (RectInRgn( &rect , M_REGION ) )
        return wxInRegion;
    else
        return wxOutRegion;
}

// Does the region contain the rectangle rect
wxRegionContain wxRegion::Contains(const wxRect& rect) const
{
    if (!m_refData)
        return wxOutRegion;

    long x, y, w, h;
    x = rect.x;
    y = rect.y;
    w = rect.GetWidth();
    h = rect.GetHeight();
    return Contains(x, y, w, h);
}

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//                               wxRegionIterator                            //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

/*!
 * Initialize empty iterator
 */
wxRegionIterator::wxRegionIterator()
    : m_current(0), m_numRects(0), m_rects(NULL)
{
}

wxRegionIterator::~wxRegionIterator()
{
    if (m_rects) {
        delete[] m_rects;
        m_rects = NULL;
    }
}

wxRegionIterator::wxRegionIterator(const wxRegionIterator& iterator)
    : wxObject()
    , m_current(iterator.m_current)
    , m_numRects(0)
    , m_rects(NULL)
{
    SetRects(iterator.m_numRects, iterator.m_rects);
}

wxRegionIterator& wxRegionIterator::operator=(const wxRegionIterator& iterator)
{
    m_current  = iterator.m_current;
    SetRects(iterator.m_numRects, iterator.m_rects);
    return *this;
}

/*!
 * Set iterator rects for region
 */
void wxRegionIterator::SetRects(long numRects, wxRect *rects)
{
    if (m_rects) {
        delete[] m_rects;
        m_rects = NULL;
    }
    if (rects)
    {
        int i;
        m_rects = new wxRect[numRects];
        for (i = 0; i < numRects; i++)
            m_rects[i] = rects[i];
    }
    m_numRects = numRects;
}

/*!
 * Initialize iterator for region
 */
wxRegionIterator::wxRegionIterator(const wxRegion& region)
{
    m_rects = NULL;

    Reset(region);
}

/*!
 * Reset iterator for a new /e region.
 */
void wxRegionIterator::Reset(const wxRegion& region)
{
    m_current = 0;
    m_region = region;

    if (m_rects) {
        delete[] m_rects;
        m_rects = NULL;
    }

    if (m_region.Empty())
        m_numRects = 0;
    else
    {
        // we cannot dissolve it into rects on mac
        m_rects = new wxRect[1];
        Rect rect ;
        GetRegionBounds( OTHER_M_REGION( region ) , &rect ) ;
        m_rects[0].x = rect.left;
        m_rects[0].y = rect.top;
        m_rects[0].width = rect.right - rect.left;
        m_rects[0].height = rect.bottom - rect.top;
        m_numRects = 1;
    }
}

/*!
 * Increment iterator. The rectangle returned is the one after the
 * incrementation.
 */
wxRegionIterator& wxRegionIterator::operator ++ ()
{
    if (m_current < m_numRects)
        ++m_current;
    return *this;
}

/*!
 * Increment iterator. The rectangle returned is the one before the
 * incrementation.
 */
wxRegionIterator wxRegionIterator::operator ++ (int)
{
    wxRegionIterator previous(*this);

    if (m_current < m_numRects)
        ++m_current;

    return previous;
}

long wxRegionIterator::GetX() const
{
    if (m_current < m_numRects)
        return m_rects[m_current].x;
    return 0;
}

long wxRegionIterator::GetY() const
{
    if (m_current < m_numRects)
        return m_rects[m_current].y;
    return 0;
}

long wxRegionIterator::GetW() const
{
    if (m_current < m_numRects)
        return m_rects[m_current].width ;
    return 0;
}

long wxRegionIterator::GetH() const
{
    if (m_current < m_numRects)
        return m_rects[m_current].height;
    return 0;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// File: region.cpp
	3	// Purpose: Region class
	4	// Author: Stefan Csomor
	5	// Created: Fri Oct 24 10:46:34 MET 1997
	6	// RCS-ID: $Id$
	7	// Copyright: (c) 1997 Stefan Csomor
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11	#ifdef __GNUG__
	12	#pragma implementation "region.h"
	13	#endif
	14
	15	#include "wx/region.h"
	16	#include "wx/gdicmn.h"
	17	#include "wx/mac/uma.h"
	18
	19	#if !USE_SHARED_LIBRARY
	20	IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
	21	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
	22	#endif
	23
	24	//-----------------------------------------------------------------------------
	25	// wxRegionRefData implementation
	26	//-----------------------------------------------------------------------------
	27
	28	class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
	29	public:
	30	wxRegionRefData()
	31	{
	32	m_macRgn = NewRgn() ;
	33	}
	34
	35	wxRegionRefData(const wxRegionRefData& data)
	36	: wxGDIRefData()
	37	{
	38	m_macRgn = NewRgn() ;
	39	CopyRgn( data.m_macRgn , m_macRgn ) ;
	40	}
	41
	42	~wxRegionRefData()
	43	{
	44	DisposeRgn( m_macRgn ) ;
	45	}
	46	RgnHandle m_macRgn ;
	47	};
	48
	49	#define M_REGION (((wxRegionRefData*)m_refData)->m_macRgn)
	50	#define OTHER_M_REGION(a) (((wxRegionRefData*)(a.m_refData))->m_macRgn)
	51
	52	//-----------------------------------------------------------------------------
	53	// wxRegion
	54	//-----------------------------------------------------------------------------
	55
	56	/*!
	57	* Create an empty region.
	58	*/
	59	wxRegion::wxRegion()
	60	{
	61	m_refData = new wxRegionRefData;
	62	}
	63
	64	wxRegion::wxRegion(WXHRGN hRegion )
	65	{
	66	m_refData = new wxRegionRefData;
	67	CopyRgn( (RgnHandle) hRegion , (RgnHandle) M_REGION ) ;
	68	}
	69
	70	wxRegion::wxRegion(long x, long y, long w, long h)
	71	{
	72	m_refData = new wxRegionRefData;
	73	SetRectRgn( (RgnHandle) M_REGION , x , y , x+w , y+h ) ;
	74	}
	75
	76	wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
	77	{
	78	m_refData = new wxRegionRefData;
	79	SetRectRgn( (RgnHandle) M_REGION , topLeft.x , topLeft.y , bottomRight.x , bottomRight.y ) ;
	80	}
	81
	82	wxRegion::wxRegion(const wxRect& rect)
	83	{
	84	m_refData = new wxRegionRefData;
	85	SetRectRgn( (RgnHandle) M_REGION , rect.x , rect.y , rect.x+rect.width , rect.y+rect.height ) ;
	86	}
	87
	88	wxRegion::wxRegion(size_t n, const wxPoint *points, int WXUNUSED(fillStyle))
	89	{
	90	m_refData = new wxRegionRefData;
	91
	92	OpenRgn();
	93
	94	wxCoord x1, x2 , y1 , y2 ;
	95	x2 = x1 = points[0].x ;
	96	y2 = y1 = points[0].y ;
	97	::MoveTo(x1,y1);
	98	for (size_t i = 1; i < n; i++)
	99	{
	100	x2 = points[i].x ;
	101	y2 = points[i].y ;
	102	::LineTo(x2, y2);
	103	}
	104	// close the polyline if necessary
	105	if ( x1 != x2 \|\| y1 != y2 )
	106	{
	107	::LineTo(x1,y1 ) ;
	108	}
	109	ClosePoly();
	110	CloseRgn( M_REGION ) ;
	111	}
	112
	113	/*!
	114	* Destroy the region.
	115	*/
	116	wxRegion::~wxRegion()
	117	{
	118	// m_refData unrefed in ~wxObject
	119	}
	120
	121	//-----------------------------------------------------------------------------
	122	//# Modify region
	123	//-----------------------------------------------------------------------------
	124
	125	//! Clear current region
	126	void wxRegion::Clear()
	127	{
	128	UnRef();
	129	}
	130
	131	//! Combine rectangle (x, y, w, h) with this.
	132	bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
	133	{
	134	// Don't change shared data
	135	if (!m_refData)
	136	{
	137	m_refData = new wxRegionRefData();
	138	}
	139	else if (m_refData->GetRefCount() > 1)
	140	{
	141	wxRegionRefData* ref = (wxRegionRefData*)m_refData;
	142	UnRef();
	143	m_refData = new wxRegionRefData(*ref);
	144	}
	145	RgnHandle rgn = NewRgn() ;
	146	SetRectRgn( rgn , x , y, x+width,y + height ) ;
	147
	148	switch (op)
	149	{
	150	case wxRGN_AND:
	151	SectRgn( M_REGION , rgn , M_REGION ) ;
	152	break ;
	153	case wxRGN_OR:
	154	UnionRgn( M_REGION , rgn , M_REGION ) ;
	155	break ;
	156	case wxRGN_XOR:
	157	XorRgn( M_REGION , rgn , M_REGION ) ;
	158	break ;
	159	case wxRGN_DIFF:
	160	DiffRgn( M_REGION , rgn , M_REGION ) ;
	161	break ;
	162	case wxRGN_COPY:
	163	default:
	164	CopyRgn( rgn ,M_REGION ) ;
	165	break ;
	166	}
	167
	168	DisposeRgn( rgn ) ;
	169
	170	return TRUE;
	171	}
	172
	173	//! Union /e region with this.
	174	bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
	175	{
	176	if (region.Empty())
	177	return FALSE;
	178
	179	// Don't change shared data
	180	if (!m_refData) {
	181	m_refData = new wxRegionRefData();
	182	}
	183	else if (m_refData->GetRefCount() > 1)
	184	{
	185	wxRegionRefData* ref = (wxRegionRefData*)m_refData;
	186	UnRef();
	187	m_refData = new wxRegionRefData(*ref);
	188	}
	189
	190	switch (op)
	191	{
	192	case wxRGN_AND:
	193	SectRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
	194	break ;
	195	case wxRGN_OR:
	196	UnionRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
	197	break ;
	198	case wxRGN_XOR:
	199	XorRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
	200	break ;
	201	case wxRGN_DIFF:
	202	DiffRgn( M_REGION , OTHER_M_REGION(region) , M_REGION ) ;
	203	break ;
	204	case wxRGN_COPY:
	205	default:
	206	CopyRgn( OTHER_M_REGION(region) ,M_REGION ) ;
	207	break ;
	208	}
	209
	210	return TRUE;
	211	}
	212
	213	bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
	214	{
	215	return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op);
	216	}
	217
	218	//-----------------------------------------------------------------------------
	219	//# Information on region
	220	//-----------------------------------------------------------------------------
	221
	222	// Outer bounds of region
	223	void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const
	224	{
	225	if (m_refData)
	226	{
	227	Rect box ;
	228	GetRegionBounds( M_REGION , &box ) ;
	229	x = box.left ;
	230	y = box.top ;
	231	w = box.right - box.left ;
	232	h = box.bottom - box.top ;
	233	}
	234	else
	235	{
	236	x = y = w = h = 0;
	237	}
	238	}
	239
	240	wxRect wxRegion::GetBox() const
	241	{
	242	wxCoord x, y, w, h;
	243	GetBox(x, y, w, h);
	244	return wxRect(x, y, w, h);
	245	}
	246
	247	// Is region empty?
	248	bool wxRegion::Empty() const
	249	{
	250	return EmptyRgn( M_REGION ) ;
	251	}
	252
	253	const WXHRGN wxRegion::GetWXHRGN() const
	254	{
	255	return M_REGION ;
	256	}
	257
	258	//-----------------------------------------------------------------------------
	259	//# Tests
	260	//-----------------------------------------------------------------------------
	261
	262	// Does the region contain the point (x,y)?
	263	wxRegionContain wxRegion::Contains(long x, long y) const
	264	{
	265	if (!m_refData)
	266	return wxOutRegion;
	267
	268	// TODO. Return wxInRegion if within region.
	269	if (0)
	270	return wxInRegion;
	271	return wxOutRegion;
	272	}
	273
	274	// Does the region contain the point pt?
	275	wxRegionContain wxRegion::Contains(const wxPoint& pt) const
	276	{
	277	if (!m_refData)
	278	return wxOutRegion;
	279
	280	Point p = { pt.y , pt.x } ;
	281	if (PtInRgn( p , M_REGION ) )
	282	return wxInRegion;
	283
	284	return wxOutRegion;
	285	}
	286
	287	// Does the region contain the rectangle (x, y, w, h)?
	288	wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const
	289	{
	290	if (!m_refData)
	291	return wxOutRegion;
	292
	293	Rect rect = { y , x , y + h , x + w } ;
	294	if (RectInRgn( &rect , M_REGION ) )
	295	return wxInRegion;
	296	else
	297	return wxOutRegion;
	298	}
	299
	300	// Does the region contain the rectangle rect
	301	wxRegionContain wxRegion::Contains(const wxRect& rect) const
	302	{
	303	if (!m_refData)
	304	return wxOutRegion;
	305
	306	long x, y, w, h;
	307	x = rect.x;
	308	y = rect.y;
	309	w = rect.GetWidth();
	310	h = rect.GetHeight();
	311	return Contains(x, y, w, h);
	312	}
	313
	314	///////////////////////////////////////////////////////////////////////////////
	315	// //
	316	// wxRegionIterator //
	317	// //
	318	///////////////////////////////////////////////////////////////////////////////
	319
	320	/*!
	321	* Initialize empty iterator
	322	*/
	323	wxRegionIterator::wxRegionIterator()
	324	: m_current(0), m_numRects(0), m_rects(NULL)
	325	{
	326	}
	327
	328	wxRegionIterator::~wxRegionIterator()
	329	{
	330	if (m_rects) {
	331	delete[] m_rects;
	332	m_rects = NULL;
	333	}
	334	}
	335
	336	wxRegionIterator::wxRegionIterator(const wxRegionIterator& iterator)
	337	: wxObject()
	338	, m_current(iterator.m_current)
	339	, m_numRects(0)
	340	, m_rects(NULL)
	341	{
	342	SetRects(iterator.m_numRects, iterator.m_rects);
	343	}
	344
	345	wxRegionIterator& wxRegionIterator::operator=(const wxRegionIterator& iterator)
	346	{
	347	m_current = iterator.m_current;
	348	SetRects(iterator.m_numRects, iterator.m_rects);
	349	return *this;
	350	}
	351
	352	/*!
	353	* Set iterator rects for region
	354	*/
	355	void wxRegionIterator::SetRects(long numRects, wxRect *rects)
	356	{
	357	if (m_rects) {
	358	delete[] m_rects;
	359	m_rects = NULL;
	360	}
	361	if (rects)
	362	{
	363	int i;
	364	m_rects = new wxRect[numRects];
	365	for (i = 0; i < numRects; i++)
	366	m_rects[i] = rects[i];
	367	}
	368	m_numRects = numRects;
	369	}
	370
	371	/*!
	372	* Initialize iterator for region
	373	*/
	374	wxRegionIterator::wxRegionIterator(const wxRegion& region)
	375	{
	376	m_rects = NULL;
	377
	378	Reset(region);
	379	}
	380
	381	/*!
	382	* Reset iterator for a new /e region.
	383	*/
	384	void wxRegionIterator::Reset(const wxRegion& region)
	385	{
	386	m_current = 0;
	387	m_region = region;
	388
	389	if (m_rects) {
	390	delete[] m_rects;
	391	m_rects = NULL;
	392	}
	393
	394	if (m_region.Empty())
	395	m_numRects = 0;
	396	else
	397	{
	398	// we cannot dissolve it into rects on mac
	399	m_rects = new wxRect[1];
	400	Rect rect ;
	401	GetRegionBounds( OTHER_M_REGION( region ) , &rect ) ;
	402	m_rects[0].x = rect.left;
	403	m_rects[0].y = rect.top;
	404	m_rects[0].width = rect.right - rect.left;
	405	m_rects[0].height = rect.bottom - rect.top;
	406	m_numRects = 1;
	407	}
	408	}
	409
	410	/*!
	411	* Increment iterator. The rectangle returned is the one after the
	412	* incrementation.
	413	*/
	414	wxRegionIterator& wxRegionIterator::operator ++ ()
	415	{
	416	if (m_current < m_numRects)
	417	++m_current;
	418	return *this;
	419	}
	420
	421	/*!
	422	* Increment iterator. The rectangle returned is the one before the
	423	* incrementation.
	424	*/
	425	wxRegionIterator wxRegionIterator::operator ++ (int)
	426	{
	427	wxRegionIterator previous(*this);
	428
	429	if (m_current < m_numRects)
	430	++m_current;
	431
	432	return previous;
	433	}
	434
	435	long wxRegionIterator::GetX() const
	436	{
	437	if (m_current < m_numRects)
	438	return m_rects[m_current].x;
	439	return 0;
	440	}
	441
	442	long wxRegionIterator::GetY() const
	443	{
	444	if (m_current < m_numRects)
	445	return m_rects[m_current].y;
	446	return 0;
	447	}
	448
	449	long wxRegionIterator::GetW() const
	450	{
	451	if (m_current < m_numRects)
	452	return m_rects[m_current].width ;
	453	return 0;
	454	}
	455
	456	long wxRegionIterator::GetH() const
	457	{
	458	if (m_current < m_numRects)
	459	return m_rects[m_current].height;
	460	return 0;
	461	}
	462