src/gtk1/region.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        region.cpp
// Purpose:
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling
// Licence:   	wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

#include "wx/region.h"

#include "gdk/gdk.h"
#include "gtk/gtk.h"

#ifdef __WXDEBUG__
#ifdef NULL
#undef NULL
#endif
#define NULL ((void*)0L)
#endif

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

class wxRegionRefData: public wxObjectRefData
{
  public:

    wxRegionRefData();
    ~wxRegionRefData();

  public:

    GdkRegion  *m_region;
    wxList      m_rects;
};

wxRegionRefData::wxRegionRefData()
{
    m_region = (GdkRegion *) NULL;
}

wxRegionRefData::~wxRegionRefData()
{
    if (m_region) gdk_region_destroy( m_region );

    wxNode *node = m_rects.First();
    while (node)
    {
        wxRect *r = (wxRect*)node->Data();
        delete r;
        node = node->Next();
    }
}

//-----------------------------------------------------------------------------

#define M_REGIONDATA ((wxRegionRefData *)m_refData)

IMPLEMENT_DYNAMIC_CLASS(wxRegion,wxGDIObject);

wxRegion::wxRegion( long x, long y, long w, long h )
{
    m_refData = new wxRegionRefData();
    GdkRegion *reg = gdk_region_new();
    GdkRectangle rect;
    rect.x = x;
    rect.y = y;
    rect.width = w;
    rect.height = h;
    M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
    gdk_region_destroy( reg );
    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,w,h) );
}

wxRegion::wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
{
    m_refData = new wxRegionRefData();
    GdkRegion *reg = gdk_region_new();
    GdkRectangle rect;
    rect.x = topLeft.x;
    rect.y = topLeft.y;
    rect.width = bottomRight.x - rect.x;
    rect.height = bottomRight.y - rect.y;
    M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
    gdk_region_destroy( reg );
    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(topLeft,bottomRight) );
}

wxRegion::wxRegion( const wxRect& rect )
{
    m_refData = new wxRegionRefData();
    GdkRegion *reg = gdk_region_new();
    GdkRectangle g_rect;
    g_rect.x = rect.x;
    g_rect.y = rect.y;
    g_rect.width = rect.width;
    g_rect.height = rect.height;
    M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
    gdk_region_destroy( reg );

    wxNode *node = M_REGIONDATA->m_rects.First();
    while (node)
    {
        wxRect *r = (wxRect*)node->Data();
        M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
        node = node->Next();
    }
}

wxRegion::wxRegion()
{
    m_refData = new wxRegionRefData();
    M_REGIONDATA->m_region = gdk_region_new();
}

wxRegion::~wxRegion()
{
}

bool wxRegion::operator == ( const wxRegion& region )
{
    return m_refData == region.m_refData;
}

bool wxRegion::operator != ( const wxRegion& region )
{
    return m_refData != region.m_refData;
}

void wxRegion::Clear()
{
    UnRef();
    m_refData = new wxRegionRefData();
    M_REGIONDATA->m_region = gdk_region_new();
}

bool wxRegion::Union( long x, long y, long width, long height )
{
    GdkRectangle rect;
    rect.x = x;
    rect.y = y;
    rect.width = width;
    rect.height = height;
    GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;
    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );
    return TRUE;
}

bool wxRegion::Union( const wxRect& rect )
{
    GdkRectangle g_rect;
    g_rect.x = rect.x;
    g_rect.y = rect.y;
    g_rect.width = rect.width;
    g_rect.height = rect.height;
    GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &g_rect );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;
    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
    return TRUE;
}

bool wxRegion::Union( const wxRegion& region )
{
    GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;

    wxNode *node = region.GetRectList()->First();
    while (node)
    {
        wxRect *r = (wxRect*)node->Data();
        M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
        node = node->Next();
    }

    return TRUE;
}

bool wxRegion::Intersect( long x, long y, long width, long height )
{
    wxRegion reg( x, y, width, height );
    Intersect( reg );
    return TRUE;
}

bool wxRegion::Intersect( const wxRect& rect )
{
    wxRegion reg( rect );
    Intersect( reg );
    return TRUE;
}

bool wxRegion::Intersect( const wxRegion& region )
{
    GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;
    return TRUE;
}

bool wxRegion::Subtract( long x, long y, long width, long height )
{
    wxRegion reg( x, y, width, height );
    Subtract( reg );
    return TRUE;
}

bool wxRegion::Subtract( const wxRect& rect )
{
    wxRegion reg( rect );
    Subtract( reg );
    return TRUE;
}

bool wxRegion::Subtract( const wxRegion& region )
{
    GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;
    return TRUE;
}

bool wxRegion::Xor( long x, long y, long width, long height )
{
    wxRegion reg( x, y, width, height );
    Xor( reg );
    return TRUE;
}

bool wxRegion::Xor( const wxRect& rect )
{
    wxRegion reg( rect );
    Xor( reg );
    return TRUE;
}

bool wxRegion::Xor( const wxRegion& region )
{
    GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;

    wxNode *node = region.GetRectList()->First();
    while (node)
    {
        wxRect *r = (wxRect*)node->Data();
        M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
        node = node->Next();
    }

    return TRUE;
}

void wxRegion::GetBox( long& x, long& y, long&w, long &h ) const
{
    x = 0;
    y = 0;
    w = -1;
    h = -1;
    wxNode *node = GetRectList()->First();
    while (node)
    {
        wxRect *r = (wxRect*)node->Data();
        if (node == GetRectList()->First())
        {
            x = r->x;
            y = r->y;
            w = r->width;
            h = r->height;
        }
        else
        {
            if (r->x < x)
            {
                x = r->x;
                w += x - r->x;
            }
            if (r->y < y)
            {
                y = r->y;
                h += y - r->y;
            }
            if (r->width+r->x > x+w)
            {
                w = r->x + r->width - x;
            }
            if (r->height+r->y > y+h)
            {
                h = r->y + r->height - y;
            }
        }
        node = node->Next();
    }
}

wxRect wxRegion::GetBox() const
{
    long x = 0;
    long y = 0;
    long w = -1;
    long h = -1;
    GetBox( x, y, w, h );
    return wxRect( x, y, w, h );
}

bool wxRegion::Empty() const
{
    return gdk_region_empty( M_REGIONDATA->m_region );
}

wxRegionContain wxRegion::Contains( long x, long y ) const
{
    if (gdk_region_point_in( M_REGIONDATA->m_region, x, y ))
        return wxInRegion;
    else
        return wxOutRegion;
}

wxRegionContain wxRegion::Contains( long x, long y, long w, long h ) const
{
    GdkRectangle rect;
    rect.x = x;
    rect.y = y;
    rect.width = w;
    rect.height = h;
    GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
    switch (res)
    {
        case GDK_OVERLAP_RECTANGLE_IN:   return wxInRegion;
        case GDK_OVERLAP_RECTANGLE_OUT:  return wxOutRegion;
        case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
    }
    return wxOutRegion;
}

wxRegionContain wxRegion::Contains(const wxPoint& pt) const
{
    return Contains( pt.x, pt.y );
}

wxRegionContain wxRegion::Contains(const wxRect& rect) const
{
    return Contains( rect.x, rect.y, rect.width, rect.height );
}

GdkRegion *wxRegion::GetRegion() const
{
    return M_REGIONDATA->m_region;
}

wxList *wxRegion::GetRectList() const
{
    return &(M_REGIONDATA->m_rects);
}

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

IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);

wxRegionIterator::wxRegionIterator()
{
    m_current = 0;
}

wxRegionIterator::wxRegionIterator( const wxRegion& region )
{
    m_region = region;
    m_current = 0;
}

void wxRegionIterator::Reset( const wxRegion& region )
{
    m_region = region;
    m_current = 0;
}

wxRegionIterator::operator bool () const
{
    return m_current < m_region.GetRectList()->Number();
}

bool wxRegionIterator::HaveRects() const
{
    return m_current < m_region.GetRectList()->Number();
}

void wxRegionIterator::operator ++ ()
{
    if (m_current < m_region.GetRectList()->Number()) ++m_current;
}

void wxRegionIterator::operator ++ (int)
{
    if (m_current < m_region.GetRectList()->Number()) ++m_current;
}

wxCoord wxRegionIterator::GetX() const
{
    wxNode *node = m_region.GetRectList()->Nth( m_current );
    if (!node) return 0;
    wxRect *r = (wxRect*)node->Data();
    return r->x;
}

wxCoord wxRegionIterator::GetY() const
{
    wxNode *node = m_region.GetRectList()->Nth( m_current );
    if (!node) return 0;
    wxRect *r = (wxRect*)node->Data();
    return r->y;
}

wxCoord wxRegionIterator::GetW() const
{
    wxNode *node = m_region.GetRectList()->Nth( m_current );
    if (!node) return 0;
    wxRect *r = (wxRect*)node->Data();
    return r->width;
}

wxCoord wxRegionIterator::GetH() const
{
    wxNode *node = m_region.GetRectList()->Nth( m_current );
    if (!node) return 0;
    wxRect *r = (wxRect*)node->Data();
    return r->height;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: region.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifdef __GNUG__
	11	#pragma implementation "region.h"
	12	#endif
	13
	14	#include "wx/region.h"
	15
	16	#include "gdk/gdk.h"
	17	#include "gtk/gtk.h"
	18
	19	#ifdef __WXDEBUG__
	20	#ifdef NULL
	21	#undef NULL
	22	#endif
	23	#define NULL ((void*)0L)
	24	#endif
	25
	26	//-----------------------------------------------------------------------------
	27	// wxRegion
	28	//-----------------------------------------------------------------------------
	29
	30	class wxRegionRefData: public wxObjectRefData
	31	{
	32	public:
	33
	34	wxRegionRefData();
	35	~wxRegionRefData();
	36
	37	public:
	38
	39	GdkRegion *m_region;
	40	wxList m_rects;
	41	};
	42
	43	wxRegionRefData::wxRegionRefData()
	44	{
	45	m_region = (GdkRegion *) NULL;
	46	}
	47
	48	wxRegionRefData::~wxRegionRefData()
	49	{
	50	if (m_region) gdk_region_destroy( m_region );
	51
	52	wxNode *node = m_rects.First();
	53	while (node)
	54	{
	55	wxRect r = (wxRect)node->Data();
	56	delete r;
	57	node = node->Next();
	58	}
	59	}
	60
	61	//-----------------------------------------------------------------------------
	62
	63	#define M_REGIONDATA ((wxRegionRefData *)m_refData)
	64
	65	IMPLEMENT_DYNAMIC_CLASS(wxRegion,wxGDIObject);
	66
	67	wxRegion::wxRegion( long x, long y, long w, long h )
	68	{
	69	m_refData = new wxRegionRefData();
	70	GdkRegion *reg = gdk_region_new();
	71	GdkRectangle rect;
	72	rect.x = x;
	73	rect.y = y;
	74	rect.width = w;
	75	rect.height = h;
	76	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
	77	gdk_region_destroy( reg );
	78	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,w,h) );
	79	}
	80
	81	wxRegion::wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
	82	{
	83	m_refData = new wxRegionRefData();
	84	GdkRegion *reg = gdk_region_new();
	85	GdkRectangle rect;
	86	rect.x = topLeft.x;
	87	rect.y = topLeft.y;
	88	rect.width = bottomRight.x - rect.x;
	89	rect.height = bottomRight.y - rect.y;
	90	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
	91	gdk_region_destroy( reg );
	92	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(topLeft,bottomRight) );
	93	}
	94
	95	wxRegion::wxRegion( const wxRect& rect )
	96	{
	97	m_refData = new wxRegionRefData();
	98	GdkRegion *reg = gdk_region_new();
	99	GdkRectangle g_rect;
	100	g_rect.x = rect.x;
	101	g_rect.y = rect.y;
	102	g_rect.width = rect.width;
	103	g_rect.height = rect.height;
	104	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
	105	gdk_region_destroy( reg );
	106
	107	wxNode *node = M_REGIONDATA->m_rects.First();
	108	while (node)
	109	{
	110	wxRect r = (wxRect)node->Data();
	111	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
	112	node = node->Next();
	113	}
	114	}
	115
	116	wxRegion::wxRegion()
	117	{
	118	m_refData = new wxRegionRefData();
	119	M_REGIONDATA->m_region = gdk_region_new();
	120	}
	121
	122	wxRegion::~wxRegion()
	123	{
	124	}
	125
	126	bool wxRegion::operator == ( const wxRegion& region )
	127	{
	128	return m_refData == region.m_refData;
	129	}
	130
	131	bool wxRegion::operator != ( const wxRegion& region )
	132	{
	133	return m_refData != region.m_refData;
	134	}
	135
	136	void wxRegion::Clear()
	137	{
	138	UnRef();
	139	m_refData = new wxRegionRefData();
	140	M_REGIONDATA->m_region = gdk_region_new();
	141	}
	142
	143	bool wxRegion::Union( long x, long y, long width, long height )
	144	{
	145	GdkRectangle rect;
	146	rect.x = x;
	147	rect.y = y;
	148	rect.width = width;
	149	rect.height = height;
	150	GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
	151	gdk_region_destroy( M_REGIONDATA->m_region );
	152	M_REGIONDATA->m_region = reg;
	153	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );
	154	return TRUE;
	155	}
	156
	157	bool wxRegion::Union( const wxRect& rect )
	158	{
	159	GdkRectangle g_rect;
	160	g_rect.x = rect.x;
	161	g_rect.y = rect.y;
	162	g_rect.width = rect.width;
	163	g_rect.height = rect.height;
	164	GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &g_rect );
	165	gdk_region_destroy( M_REGIONDATA->m_region );
	166	M_REGIONDATA->m_region = reg;
	167	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
	168	return TRUE;
	169	}
	170
	171	bool wxRegion::Union( const wxRegion& region )
	172	{
	173	GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
	174	gdk_region_destroy( M_REGIONDATA->m_region );
	175	M_REGIONDATA->m_region = reg;
	176
	177	wxNode *node = region.GetRectList()->First();
	178	while (node)
	179	{
	180	wxRect r = (wxRect)node->Data();
	181	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
	182	node = node->Next();
	183	}
	184
	185	return TRUE;
	186	}
	187
	188	bool wxRegion::Intersect( long x, long y, long width, long height )
	189	{
	190	wxRegion reg( x, y, width, height );
	191	Intersect( reg );
	192	return TRUE;
	193	}
	194
	195	bool wxRegion::Intersect( const wxRect& rect )
	196	{
	197	wxRegion reg( rect );
	198	Intersect( reg );
	199	return TRUE;
	200	}
	201
	202	bool wxRegion::Intersect( const wxRegion& region )
	203	{
	204	GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
	205	gdk_region_destroy( M_REGIONDATA->m_region );
	206	M_REGIONDATA->m_region = reg;
	207	return TRUE;
	208	}
	209
	210	bool wxRegion::Subtract( long x, long y, long width, long height )
	211	{
	212	wxRegion reg( x, y, width, height );
	213	Subtract( reg );
	214	return TRUE;
	215	}
	216
	217	bool wxRegion::Subtract( const wxRect& rect )
	218	{
	219	wxRegion reg( rect );
	220	Subtract( reg );
	221	return TRUE;
	222	}
	223
	224	bool wxRegion::Subtract( const wxRegion& region )
	225	{
	226	GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
	227	gdk_region_destroy( M_REGIONDATA->m_region );
	228	M_REGIONDATA->m_region = reg;
	229	return TRUE;
	230	}
	231
	232	bool wxRegion::Xor( long x, long y, long width, long height )
	233	{
	234	wxRegion reg( x, y, width, height );
	235	Xor( reg );
	236	return TRUE;
	237	}
	238
	239	bool wxRegion::Xor( const wxRect& rect )
	240	{
	241	wxRegion reg( rect );
	242	Xor( reg );
	243	return TRUE;
	244	}
	245
	246	bool wxRegion::Xor( const wxRegion& region )
	247	{
	248	GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
	249	gdk_region_destroy( M_REGIONDATA->m_region );
	250	M_REGIONDATA->m_region = reg;
	251
	252	wxNode *node = region.GetRectList()->First();
	253	while (node)
	254	{
	255	wxRect r = (wxRect)node->Data();
	256	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
	257	node = node->Next();
	258	}
	259
	260	return TRUE;
	261	}
	262
	263	void wxRegion::GetBox( long& x, long& y, long&w, long &h ) const
	264	{
	265	x = 0;
	266	y = 0;
	267	w = -1;
	268	h = -1;
	269	wxNode *node = GetRectList()->First();
	270	while (node)
	271	{
	272	wxRect r = (wxRect)node->Data();
	273	if (node == GetRectList()->First())
	274	{
	275	x = r->x;
	276	y = r->y;
	277	w = r->width;
	278	h = r->height;
	279	}
	280	else
	281	{
	282	if (r->x < x)
	283	{
	284	x = r->x;
	285	w += x - r->x;
	286	}
	287	if (r->y < y)
	288	{
	289	y = r->y;
	290	h += y - r->y;
	291	}
	292	if (r->width+r->x > x+w)
	293	{
	294	w = r->x + r->width - x;
	295	}
	296	if (r->height+r->y > y+h)
	297	{
	298	h = r->y + r->height - y;
	299	}
	300	}
	301	node = node->Next();
	302	}
	303	}
	304
	305	wxRect wxRegion::GetBox() const
	306	{
	307	long x = 0;
	308	long y = 0;
	309	long w = -1;
	310	long h = -1;
	311	GetBox( x, y, w, h );
	312	return wxRect( x, y, w, h );
	313	}
	314
	315	bool wxRegion::Empty() const
	316	{
	317	return gdk_region_empty( M_REGIONDATA->m_region );
	318	}
	319
	320	wxRegionContain wxRegion::Contains( long x, long y ) const
	321	{
	322	if (gdk_region_point_in( M_REGIONDATA->m_region, x, y ))
	323	return wxInRegion;
	324	else
	325	return wxOutRegion;
	326	}
	327
	328	wxRegionContain wxRegion::Contains( long x, long y, long w, long h ) const
	329	{
	330	GdkRectangle rect;
	331	rect.x = x;
	332	rect.y = y;
	333	rect.width = w;
	334	rect.height = h;
	335	GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
	336	switch (res)
	337	{
	338	case GDK_OVERLAP_RECTANGLE_IN: return wxInRegion;
	339	case GDK_OVERLAP_RECTANGLE_OUT: return wxOutRegion;
	340	case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
	341	}
	342	return wxOutRegion;
	343	}
	344
	345	wxRegionContain wxRegion::Contains(const wxPoint& pt) const
	346	{
	347	return Contains( pt.x, pt.y );
	348	}
	349
	350	wxRegionContain wxRegion::Contains(const wxRect& rect) const
	351	{
	352	return Contains( rect.x, rect.y, rect.width, rect.height );
	353	}
	354
	355	GdkRegion *wxRegion::GetRegion() const
	356	{
	357	return M_REGIONDATA->m_region;
	358	}
	359
	360	wxList *wxRegion::GetRectList() const
	361	{
	362	return &(M_REGIONDATA->m_rects);
	363	}
	364
	365	//-----------------------------------------------------------------------------
	366	// wxRegion
	367	//-----------------------------------------------------------------------------
	368
	369	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
	370
	371	wxRegionIterator::wxRegionIterator()
	372	{
	373	m_current = 0;
	374	}
	375
	376	wxRegionIterator::wxRegionIterator( const wxRegion& region )
	377	{
	378	m_region = region;
	379	m_current = 0;
	380	}
	381
	382	void wxRegionIterator::Reset( const wxRegion& region )
	383	{
	384	m_region = region;
	385	m_current = 0;
	386	}
	387
	388	wxRegionIterator::operator bool () const
	389	{
	390	return m_current < m_region.GetRectList()->Number();
	391	}
	392
	393	bool wxRegionIterator::HaveRects() const
	394	{
	395	return m_current < m_region.GetRectList()->Number();
	396	}
	397
	398	void wxRegionIterator::operator ++ ()
	399	{
	400	if (m_current < m_region.GetRectList()->Number()) ++m_current;
	401	}
	402
	403	void wxRegionIterator::operator ++ (int)
	404	{
	405	if (m_current < m_region.GetRectList()->Number()) ++m_current;
	406	}
	407
	408	wxCoord wxRegionIterator::GetX() const
	409	{
	410	wxNode *node = m_region.GetRectList()->Nth( m_current );
	411	if (!node) return 0;
	412	wxRect r = (wxRect)node->Data();
	413	return r->x;
	414	}
	415
	416	wxCoord wxRegionIterator::GetY() const
	417	{
	418	wxNode *node = m_region.GetRectList()->Nth( m_current );
	419	if (!node) return 0;
	420	wxRect r = (wxRect)node->Data();
	421	return r->y;
	422	}
	423
	424	wxCoord wxRegionIterator::GetW() const
	425	{
	426	wxNode *node = m_region.GetRectList()->Nth( m_current );
	427	if (!node) return 0;
	428	wxRect r = (wxRect)node->Data();
	429	return r->width;
	430	}
	431
	432	wxCoord wxRegionIterator::GetH() const
	433	{
	434	wxNode *node = m_region.GetRectList()->Nth( m_current );
	435	if (!node) return 0;
	436	wxRect r = (wxRect)node->Data();
	437	return r->height;
	438	}
	439
	440