src/gtk/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"

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

class wxRegionRefData: public wxObjectRefData
{
  public:

    wxRegionRefData(void);
    ~wxRegionRefData(void);

  public:

    GdkRegion  *m_region;
    wxList      m_rects;
};

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

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

wxRegion::~wxRegion(void)
{
}

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(void)
{
  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(void) 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(void) 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(void) const
{
  return M_REGIONDATA->m_region;
}

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

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

IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);

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

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

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

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

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

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

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

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