src/msw/region.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:      msw/region.cpp
// Purpose:   Region handling for wxWindows/X11
// Author:    Markus Holzem
// Modified by:
// Created:   Fri Oct 24 10:46:34 MET 1997
// RCS-ID:    $Id$
// Copyright: (c) 1997 Julian Smart and Markus Holzem
// Licence:   wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#include "wx/msw/region.h"
#include "wx/gdicmn.h"

#include "wx/window.h"
#include "wx/msw/private.h"

    IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
    IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)

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

class WXDLLEXPORT wxRegionRefData : public wxGDIRefData
{
public:
    wxRegionRefData()
    {
        m_region = 0;
    }

    wxRegionRefData(const wxRegionRefData& data)
    {
#if defined(__WIN32__)
        DWORD noBytes = ::GetRegionData(data.m_region, 0, NULL);
        RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
        ::GetRegionData(data.m_region, noBytes, rgnData);
        m_region = ::ExtCreateRegion(NULL, noBytes, rgnData);
        delete[] (char*) rgnData;
#else
        RECT rect;
        ::GetRgnBox(data.m_region, &rect);
        m_region = ::CreateRectRgnIndirect(&rect);
#endif
    }

    ~wxRegionRefData()
    {
        ::DeleteObject(m_region);
        m_region = 0;
    }

    HRGN m_region;
};

#define M_REGION (((wxRegionRefData*)m_refData)->m_region)

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

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

wxRegion::wxRegion(WXHRGN hRegion)
{
    m_refData = new wxRegionRefData;
    M_REGION = (HRGN) hRegion;
}

wxRegion::wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
{
    m_refData = new wxRegionRefData;
    M_REGION = ::CreateRectRgn(x, y, x + w, y + h);
}

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

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

/*
 * 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(wxCoord x, wxCoord y, wxCoord width, wxCoord 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);
    }
    // If ref count is 1, that means it's 'ours' anyway so no action.

    HRGN rectRegion = ::CreateRectRgn(x, y, x + width, y + height);

    int mode = 0;
    switch (op)
    {
        case wxRGN_AND: mode = RGN_AND; break ;
        case wxRGN_OR: mode = RGN_OR; break ;
        case wxRGN_XOR: mode = RGN_XOR; break ;
        case wxRGN_DIFF: mode = RGN_DIFF; break ;
        case wxRGN_COPY:
        default:
            mode = RGN_COPY; break ;
    }

    bool success = (ERROR != ::CombineRgn(M_REGION, M_REGION, rectRegion, mode));

    ::DeleteObject(rectRegion);

    return success;
}

// 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);
    }

    int mode = 0;
    switch (op)
    {
        case wxRGN_AND: mode = RGN_AND; break ;
        case wxRGN_OR: mode = RGN_OR; break ;
        case wxRGN_XOR: mode = RGN_XOR; break ;
        case wxRGN_DIFF: mode = RGN_DIFF; break ;
        case wxRGN_COPY:
        default:
            mode = RGN_COPY; break ;
    }

    return (ERROR != ::CombineRgn(M_REGION, M_REGION, ((wxRegionRefData*)region.m_refData)->m_region, mode));
}

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 rect;
        ::GetRgnBox(M_REGION, & rect);
        x = rect.left;
        y = rect.top;
        w = rect.right - rect.left;
        h = rect.bottom - rect.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
{
    if (M_REGION == 0)
        return TRUE;
    wxCoord x, y, w, h;
    GetBox(x, y, w, h);

    return ((w == 0) && (h == 0));
}

//-----------------------------------------------------------------------------
// Tests
//-----------------------------------------------------------------------------

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

    if (::PtInRegion(M_REGION, (int) x, (int) y))
        return wxInRegion;
    else
        return wxOutRegion;
}

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

    if (::PtInRegion(M_REGION, (int) pt.x, (int) pt.y))
        return wxInRegion;
    else
        return wxOutRegion;
}

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

    RECT rect;
    rect.left = x;
    rect.top = y;
    rect.right = x + w;
    rect.bottom = y + h;

    if (::RectInRegion(M_REGION, & rect))
        return wxInRegion;
    else
        return wxOutRegion;
}

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

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

// Get internal region handle
WXHRGN wxRegion::GetHRGN() const
{
    if (!m_refData)
        return (WXHRGN) 0;
    return (WXHRGN) M_REGION;
}

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

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

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

/*
 * 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
    {
#if defined(__WIN32__)
        DWORD noBytes = ::GetRegionData(((wxRegionRefData*)region.m_refData)->m_region, 0, NULL);
        RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
        ::GetRegionData(((wxRegionRefData*)region.m_refData)->m_region, noBytes, rgnData);

        RGNDATAHEADER* header = (RGNDATAHEADER*) rgnData;

        m_rects = new wxRect[header->nCount];

        RECT* rect = (RECT*) ((char*)rgnData + sizeof(RGNDATAHEADER)) ;
        size_t i;
        for (i = 0; i < header->nCount; i++)
        {
            m_rects[i] = wxRect(rect->left, rect->top,
                                 rect->right - rect->left, rect->bottom - rect->top);
            rect ++; // Advances pointer by sizeof(RECT)
        }

        m_numRects = header->nCount;

        delete[] (char*) rgnData;
#else
        RECT rect;
        ::GetRgnBox(((wxRegionRefData*)region.m_refData)->m_region, &rect);
        m_rects = new wxRect[1];
        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;
#endif
    }
}

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

/*
 * Increment iterator. The rectangle returned is the one before the
 * incrementation.
 */
void wxRegionIterator::operator ++ (int)
{
    if (m_current < m_numRects)
        ++m_current;
}

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

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

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

wxCoord wxRegionIterator::GetH() const
{
    if (m_current < m_numRects)
        return m_rects[m_current].height;
    return 0;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: msw/region.cpp
	3	// Purpose: Region handling for wxWindows/X11
	4	// Author: Markus Holzem
	5	// Modified by:
	6	// Created: Fri Oct 24 10:46:34 MET 1997
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1997 Julian Smart and Markus Holzem
	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
	12	#ifdef __GNUG__
	13	#pragma implementation "region.h"
	14	#endif
	15
	16	// For compilers that support precompilation, includes "wx.h".
	17	#include "wx/wxprec.h"
	18
	19	#ifdef __BORLANDC__
	20	#pragma hdrstop
	21	#endif
	22
	23	#include "wx/msw/region.h"
	24	#include "wx/gdicmn.h"
	25
	26	#include "wx/window.h"
	27	#include "wx/msw/private.h"
	28
	29	IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
	30	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
	31
	32	//-----------------------------------------------------------------------------
	33	// wxRegionRefData implementation
	34	//-----------------------------------------------------------------------------
	35
	36	class WXDLLEXPORT wxRegionRefData : public wxGDIRefData
	37	{
	38	public:
	39	wxRegionRefData()
	40	{
	41	m_region = 0;
	42	}
	43
	44	wxRegionRefData(const wxRegionRefData& data)
	45	{
	46	#if defined(__WIN32__)
	47	DWORD noBytes = ::GetRegionData(data.m_region, 0, NULL);
	48	RGNDATA rgnData = (RGNDATA) new char[noBytes];
	49	::GetRegionData(data.m_region, noBytes, rgnData);
	50	m_region = ::ExtCreateRegion(NULL, noBytes, rgnData);
	51	delete[] (char*) rgnData;
	52	#else
	53	RECT rect;
	54	::GetRgnBox(data.m_region, &rect);
	55	m_region = ::CreateRectRgnIndirect(&rect);
	56	#endif
	57	}
	58
	59	~wxRegionRefData()
	60	{
	61	::DeleteObject(m_region);
	62	m_region = 0;
	63	}
	64
	65	HRGN m_region;
	66	};
	67
	68	#define M_REGION (((wxRegionRefData*)m_refData)->m_region)
	69
	70	//-----------------------------------------------------------------------------
	71	// wxRegion
	72	//-----------------------------------------------------------------------------
	73
	74	/*
	75	* Create an empty region.
	76	*/
	77	wxRegion::wxRegion()
	78	{
	79	m_refData = (wxRegionRefData *)NULL;
	80	}
	81
	82	wxRegion::wxRegion(WXHRGN hRegion)
	83	{
	84	m_refData = new wxRegionRefData;
	85	M_REGION = (HRGN) hRegion;
	86	}
	87
	88	wxRegion::wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
	89	{
	90	m_refData = new wxRegionRefData;
	91	M_REGION = ::CreateRectRgn(x, y, x + w, y + h);
	92	}
	93
	94	wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
	95	{
	96	m_refData = new wxRegionRefData;
	97	M_REGION = ::CreateRectRgn(topLeft.x, topLeft.y, bottomRight.x, bottomRight.y);
	98	}
	99
	100	wxRegion::wxRegion(const wxRect& rect)
	101	{
	102	m_refData = new wxRegionRefData;
	103	M_REGION = ::CreateRectRgn(rect.x, rect.y, rect.x + rect.width, rect.y + rect.height);
	104	}
	105
	106	/*
	107	* Destroy the region.
	108	*/
	109	wxRegion::~wxRegion()
	110	{
	111	// m_refData unrefed in ~wxObject
	112	}
	113
	114	//-----------------------------------------------------------------------------
	115	// Modify region
	116	//-----------------------------------------------------------------------------
	117
	118	// Clear current region
	119	void wxRegion::Clear()
	120	{
	121	UnRef();
	122	}
	123
	124	// Combine rectangle (x, y, w, h) with this.
	125	bool wxRegion::Combine(wxCoord x, wxCoord y, wxCoord width, wxCoord height, wxRegionOp op)
	126	{
	127	// Don't change shared data
	128	if (!m_refData) {
	129	m_refData = new wxRegionRefData();
	130	} else if (m_refData->GetRefCount() > 1) {
	131	wxRegionRefData* ref = (wxRegionRefData*)m_refData;
	132	UnRef();
	133	m_refData = new wxRegionRefData(*ref);
	134	}
	135	// If ref count is 1, that means it's 'ours' anyway so no action.
	136
	137	HRGN rectRegion = ::CreateRectRgn(x, y, x + width, y + height);
	138
	139	int mode = 0;
	140	switch (op)
	141	{
	142	case wxRGN_AND: mode = RGN_AND; break ;
	143	case wxRGN_OR: mode = RGN_OR; break ;
	144	case wxRGN_XOR: mode = RGN_XOR; break ;
	145	case wxRGN_DIFF: mode = RGN_DIFF; break ;
	146	case wxRGN_COPY:
	147	default:
	148	mode = RGN_COPY; break ;
	149	}
	150
	151	bool success = (ERROR != ::CombineRgn(M_REGION, M_REGION, rectRegion, mode));
	152
	153	::DeleteObject(rectRegion);
	154
	155	return success;
	156	}
	157
	158	// Union /e region with this.
	159	bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
	160	{
	161	if (region.Empty())
	162	return FALSE;
	163
	164	// Don't change shared data
	165	if (!m_refData) {
	166	m_refData = new wxRegionRefData();
	167	} else if (m_refData->GetRefCount() > 1) {
	168	wxRegionRefData* ref = (wxRegionRefData*)m_refData;
	169	UnRef();
	170	m_refData = new wxRegionRefData(*ref);
	171	}
	172
	173	int mode = 0;
	174	switch (op)
	175	{
	176	case wxRGN_AND: mode = RGN_AND; break ;
	177	case wxRGN_OR: mode = RGN_OR; break ;
	178	case wxRGN_XOR: mode = RGN_XOR; break ;
	179	case wxRGN_DIFF: mode = RGN_DIFF; break ;
	180	case wxRGN_COPY:
	181	default:
	182	mode = RGN_COPY; break ;
	183	}
	184
	185	return (ERROR != ::CombineRgn(M_REGION, M_REGION, ((wxRegionRefData*)region.m_refData)->m_region, mode));
	186	}
	187
	188	bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
	189	{
	190	return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op);
	191	}
	192
	193	//-----------------------------------------------------------------------------
	194	// Information on region
	195	//-----------------------------------------------------------------------------
	196
	197	// Outer bounds of region
	198	void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const
	199	{
	200	if (m_refData) {
	201	RECT rect;
	202	::GetRgnBox(M_REGION, & rect);
	203	x = rect.left;
	204	y = rect.top;
	205	w = rect.right - rect.left;
	206	h = rect.bottom - rect.top;
	207	} else {
	208	x = y = w = h = 0;
	209	}
	210	}
	211
	212	wxRect wxRegion::GetBox() const
	213	{
	214	wxCoord x, y, w, h;
	215	GetBox(x, y, w, h);
	216	return wxRect(x, y, w, h);
	217	}
	218
	219	// Is region empty?
	220	bool wxRegion::Empty() const
	221	{
	222	if (M_REGION == 0)
	223	return TRUE;
	224	wxCoord x, y, w, h;
	225	GetBox(x, y, w, h);
	226
	227	return ((w == 0) && (h == 0));
	228	}
	229
	230	//-----------------------------------------------------------------------------
	231	// Tests
	232	//-----------------------------------------------------------------------------
	233
	234	// Does the region contain the point (x,y)?
	235	wxRegionContain wxRegion::Contains(wxCoord x, wxCoord y) const
	236	{
	237	if (!m_refData)
	238	return wxOutRegion;
	239
	240	if (::PtInRegion(M_REGION, (int) x, (int) y))
	241	return wxInRegion;
	242	else
	243	return wxOutRegion;
	244	}
	245
	246	// Does the region contain the point pt?
	247	wxRegionContain wxRegion::Contains(const wxPoint& pt) const
	248	{
	249	if (!m_refData)
	250	return wxOutRegion;
	251
	252	if (::PtInRegion(M_REGION, (int) pt.x, (int) pt.y))
	253	return wxInRegion;
	254	else
	255	return wxOutRegion;
	256	}
	257
	258	// Does the region contain the rectangle (x, y, w, h)?
	259	wxRegionContain wxRegion::Contains(wxCoord x, wxCoord y, wxCoord w, wxCoord h) const
	260	{
	261	if (!m_refData)
	262	return wxOutRegion;
	263
	264	RECT rect;
	265	rect.left = x;
	266	rect.top = y;
	267	rect.right = x + w;
	268	rect.bottom = y + h;
	269
	270	if (::RectInRegion(M_REGION, & rect))
	271	return wxInRegion;
	272	else
	273	return wxOutRegion;
	274	}
	275
	276	// Does the region contain the rectangle rect
	277	wxRegionContain wxRegion::Contains(const wxRect& rect) const
	278	{
	279	if (!m_refData)
	280	return wxOutRegion;
	281
	282	wxCoord x, y, w, h;
	283	x = rect.x;
	284	y = rect.y;
	285	w = rect.GetWidth();
	286	h = rect.GetHeight();
	287	return Contains(x, y, w, h);
	288	}
	289
	290	// Get internal region handle
	291	WXHRGN wxRegion::GetHRGN() const
	292	{
	293	if (!m_refData)
	294	return (WXHRGN) 0;
	295	return (WXHRGN) M_REGION;
	296	}
	297
	298	///////////////////////////////////////////////////////////////////////////////
	299	// //
	300	// wxRegionIterator //
	301	// //
	302	///////////////////////////////////////////////////////////////////////////////
	303
	304	/*
	305	* Initialize empty iterator
	306	*/
	307	wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL)
	308	{
	309	}
	310
	311	wxRegionIterator::~wxRegionIterator()
	312	{
	313	if (m_rects)
	314	delete[] m_rects;
	315	}
	316
	317	/*
	318	* Initialize iterator for region
	319	*/
	320	wxRegionIterator::wxRegionIterator(const wxRegion& region)
	321	{
	322	m_rects = NULL;
	323
	324	Reset(region);
	325	}
	326
	327	/*
	328	* Reset iterator for a new /e region.
	329	*/
	330	void wxRegionIterator::Reset(const wxRegion& region)
	331	{
	332	m_current = 0;
	333	m_region = region;
	334
	335	if (m_rects)
	336	delete[] m_rects;
	337
	338	m_rects = NULL;
	339
	340	if (m_region.Empty())
	341	m_numRects = 0;
	342	else
	343	{
	344	#if defined(__WIN32__)
	345	DWORD noBytes = ::GetRegionData(((wxRegionRefData*)region.m_refData)->m_region, 0, NULL);
	346	RGNDATA rgnData = (RGNDATA) new char[noBytes];
	347	::GetRegionData(((wxRegionRefData*)region.m_refData)->m_region, noBytes, rgnData);
	348
	349	RGNDATAHEADER* header = (RGNDATAHEADER*) rgnData;
	350
	351	m_rects = new wxRect[header->nCount];
	352
	353	RECT* rect = (RECT) ((char)rgnData + sizeof(RGNDATAHEADER)) ;
	354	size_t i;
	355	for (i = 0; i < header->nCount; i++)
	356	{
	357	m_rects[i] = wxRect(rect->left, rect->top,
	358	rect->right - rect->left, rect->bottom - rect->top);
	359	rect ++; // Advances pointer by sizeof(RECT)
	360	}
	361
	362	m_numRects = header->nCount;
	363
	364	delete[] (char*) rgnData;
	365	#else
	366	RECT rect;
	367	::GetRgnBox(((wxRegionRefData*)region.m_refData)->m_region, &rect);
	368	m_rects = new wxRect[1];
	369	m_rects[0].x = rect.left;
	370	m_rects[0].y = rect.top;
	371	m_rects[0].width = rect.right - rect.left;
	372	m_rects[0].height = rect.bottom - rect.top;
	373
	374	m_numRects = 1;
	375	#endif
	376	}
	377	}
	378
	379	/*
	380	* Increment iterator. The rectangle returned is the one after the
	381	* incrementation.
	382	*/
	383	void wxRegionIterator::operator ++ ()
	384	{
	385	if (m_current < m_numRects)
	386	++m_current;
	387	}
	388
	389	/*
	390	* Increment iterator. The rectangle returned is the one before the
	391	* incrementation.
	392	*/
	393	void wxRegionIterator::operator ++ (int)
	394	{
	395	if (m_current < m_numRects)
	396	++m_current;
	397	}
	398
	399	wxCoord wxRegionIterator::GetX() const
	400	{
	401	if (m_current < m_numRects)
	402	return m_rects[m_current].x;
	403	return 0;
	404	}
	405
	406	wxCoord wxRegionIterator::GetY() const
	407	{
	408	if (m_current < m_numRects)
	409	return m_rects[m_current].y;
	410	return 0;
	411	}
	412
	413	wxCoord wxRegionIterator::GetW() const
	414	{
	415	if (m_current < m_numRects)
	416	return m_rects[m_current].width ;
	417	return 0;
	418	}
	419
	420	wxCoord wxRegionIterator::GetH() const
	421	{
	422	if (m_current < m_numRects)
	423	return m_rects[m_current].height;
	424	return 0;
	425	}
	426