[wxWidgets.git] / 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"

//-----------------------------------------------------------------------------
// 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
c801d85f KB	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: region.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
f96aa4d9 RR	5	// Id: $Id$
f96aa4d9 RR	6	// Copyright: (c) 1998 Robert Roebling
c801d85f KB	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	//-----------------------------------------------------------------------------
	18	// wxRegion
	19	//-----------------------------------------------------------------------------
	20
	21	class wxRegionRefData: public wxObjectRefData
	22	{
	23	public:
	24
	25	wxRegionRefData(void);
	26	~wxRegionRefData(void);
	27
	28	public:
	29
	30	GdkRegion *m_region;
8429bec1	31	wxList m_rects;
c801d85f KB	32	};
	33
	34	wxRegionRefData::wxRegionRefData(void)
	35	{
c67daf87	36	m_region = (GdkRegion *) NULL;
ff7b1510	37	}
c801d85f KB	38
	39	wxRegionRefData::~wxRegionRefData(void)
	40	{
	41	if (m_region) gdk_region_destroy( m_region );
8429bec1 RR	42
	43	wxNode *node = m_rects.First();
	44	while (node)
	45	{
	46	wxRect r = (wxRect)node->Data();
	47	delete r;
	48	node = node->Next();
	49	}
ff7b1510	50	}
c801d85f KB	51
	52	//-----------------------------------------------------------------------------
	53
	54	#define M_REGIONDATA ((wxRegionRefData *)m_refData)
	55
	56	IMPLEMENT_DYNAMIC_CLASS(wxRegion,wxGDIObject);
	57
	58	wxRegion::wxRegion( long x, long y, long w, long h )
	59	{
	60	m_refData = new wxRegionRefData();
	61	GdkRegion *reg = gdk_region_new();
	62	GdkRectangle rect;
	63	rect.x = x;
	64	rect.y = y;
	65	rect.width = w;
	66	rect.height = h;
	67	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
	68	gdk_region_destroy( reg );
8429bec1	69	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,w,h) );
ff7b1510	70	}
c801d85f KB	71
	72	wxRegion::wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
	73	{
	74	m_refData = new wxRegionRefData();
	75	GdkRegion *reg = gdk_region_new();
	76	GdkRectangle rect;
	77	rect.x = topLeft.x;
	78	rect.y = topLeft.y;
	79	rect.width = bottomRight.x - rect.x;
	80	rect.height = bottomRight.y - rect.y;
	81	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
	82	gdk_region_destroy( reg );
8429bec1	83	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(topLeft,bottomRight) );
ff7b1510	84	}
c801d85f KB	85
	86	wxRegion::wxRegion( const wxRect& rect )
	87	{
	88	m_refData = new wxRegionRefData();
	89	GdkRegion *reg = gdk_region_new();
	90	GdkRectangle g_rect;
	91	g_rect.x = rect.x;
	92	g_rect.y = rect.y;
	93	g_rect.width = rect.width;
	94	g_rect.height = rect.height;
	95	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
	96	gdk_region_destroy( reg );
8429bec1 RR	97
	98	wxNode *node = M_REGIONDATA->m_rects.First();
	99	while (node)
	100	{
	101	wxRect r = (wxRect)node->Data();
	102	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
	103	node = node->Next();
	104	}
ff7b1510	105	}
c801d85f KB	106
	107	wxRegion::wxRegion(void)
	108	{
	109	m_refData = new wxRegionRefData();
	110	M_REGIONDATA->m_region = gdk_region_new();
ff7b1510	111	}
c801d85f KB	112
	113	wxRegion::~wxRegion(void)
	114	{
ff7b1510	115	}
c801d85f	116
76ed8f8d RR	117	bool wxRegion::operator == ( const wxRegion& region )
	118	{
	119	return m_refData == region.m_refData;
	120	}
	121
	122	bool wxRegion::operator != ( const wxRegion& region )
	123	{
	124	return m_refData != region.m_refData;
	125	}
	126
c801d85f KB	127	void wxRegion::Clear(void)
	128	{
	129	UnRef();
	130	m_refData = new wxRegionRefData();
	131	M_REGIONDATA->m_region = gdk_region_new();
ff7b1510	132	}
c801d85f KB	133
	134	bool wxRegion::Union( long x, long y, long width, long height )
	135	{
	136	GdkRectangle rect;
	137	rect.x = x;
	138	rect.y = y;
	139	rect.width = width;
	140	rect.height = height;
	141	GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
	142	gdk_region_destroy( M_REGIONDATA->m_region );
	143	M_REGIONDATA->m_region = reg;
8429bec1	144	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );
c801d85f	145	return TRUE;
ff7b1510	146	}
c801d85f KB	147
	148	bool wxRegion::Union( const wxRect& rect )
	149	{
	150	GdkRectangle g_rect;
	151	g_rect.x = rect.x;
	152	g_rect.y = rect.y;
	153	g_rect.width = rect.width;
	154	g_rect.height = rect.height;
	155	GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &g_rect );
	156	gdk_region_destroy( M_REGIONDATA->m_region );
	157	M_REGIONDATA->m_region = reg;
8429bec1	158	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
c801d85f	159	return TRUE;
ff7b1510	160	}
c801d85f KB	161
	162	bool wxRegion::Union( const wxRegion& region )
	163	{
	164	GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
	165	gdk_region_destroy( M_REGIONDATA->m_region );
	166	M_REGIONDATA->m_region = reg;
8429bec1 RR	167
	168	wxNode *node = region.GetRectList()->First();
	169	while (node)
	170	{
	171	wxRect r = (wxRect)node->Data();
	172	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
	173	node = node->Next();
	174	}
	175
c801d85f	176	return TRUE;
ff7b1510	177	}
c801d85f KB	178
	179	bool wxRegion::Intersect( long x, long y, long width, long height )
	180	{
	181	wxRegion reg( x, y, width, height );
	182	Intersect( reg );
	183	return TRUE;
ff7b1510	184	}
c801d85f KB	185
	186	bool wxRegion::Intersect( const wxRect& rect )
	187	{
	188	wxRegion reg( rect );
	189	Intersect( reg );
	190	return TRUE;
ff7b1510	191	}
c801d85f KB	192
	193	bool wxRegion::Intersect( const wxRegion& region )
	194	{
	195	GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
	196	gdk_region_destroy( M_REGIONDATA->m_region );
	197	M_REGIONDATA->m_region = reg;
	198	return TRUE;
ff7b1510	199	}
c801d85f KB	200
	201	bool wxRegion::Subtract( long x, long y, long width, long height )
	202	{
	203	wxRegion reg( x, y, width, height );
	204	Subtract( reg );
	205	return TRUE;
ff7b1510	206	}
c801d85f KB	207
	208	bool wxRegion::Subtract( const wxRect& rect )
	209	{
	210	wxRegion reg( rect );
	211	Subtract( reg );
	212	return TRUE;
ff7b1510	213	}
c801d85f KB	214
	215	bool wxRegion::Subtract( const wxRegion& region )
	216	{
	217	GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
	218	gdk_region_destroy( M_REGIONDATA->m_region );
	219	M_REGIONDATA->m_region = reg;
	220	return TRUE;
ff7b1510	221	}
c801d85f KB	222
	223	bool wxRegion::Xor( long x, long y, long width, long height )
	224	{
	225	wxRegion reg( x, y, width, height );
	226	Xor( reg );
	227	return TRUE;
ff7b1510	228	}
c801d85f KB	229
	230	bool wxRegion::Xor( const wxRect& rect )
	231	{
	232	wxRegion reg( rect );
	233	Xor( reg );
	234	return TRUE;
ff7b1510	235	}
c801d85f KB	236
	237	bool wxRegion::Xor( const wxRegion& region )
	238	{
	239	GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
	240	gdk_region_destroy( M_REGIONDATA->m_region );
	241	M_REGIONDATA->m_region = reg;
8429bec1 RR	242
	243	wxNode *node = region.GetRectList()->First();
	244	while (node)
	245	{
	246	wxRect r = (wxRect)node->Data();
	247	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
	248	node = node->Next();
	249	}
	250
c801d85f	251	return TRUE;
ff7b1510	252	}
c801d85f KB	253
	254	void wxRegion::GetBox( long& x, long& y, long&w, long &h ) const
	255	{
	256	x = 0;
	257	y = 0;
	258	w = -1;
	259	h = -1;
8429bec1 RR	260	wxNode *node = GetRectList()->First();
	261	while (node)
	262	{
	263	wxRect r = (wxRect)node->Data();
	264	if (node == GetRectList()->First())
	265	{
	266	x = r->x;
	267	y = r->y;
	268	w = r->width;
	269	h = r->height;
	270	}
	271	else
	272	{
	273	if (r->x < x)
	274	{
	275	x = r->x;
	276	w += x - r->x;
	277	}
	278	if (r->y < y)
	279	{
	280	y = r->y;
	281	h += y - r->y;
	282	}
	283	if (r->width+r->x > x+w)
	284	{
	285	w = r->x + r->width - x;
	286	}
	287	if (r->height+r->y > y+h)
	288	{
	289	h = r->y + r->height - y;
	290	}
	291	}
	292	node = node->Next();
	293	}
ff7b1510	294	}
c801d85f KB	295
	296	wxRect wxRegion::GetBox(void) const
	297	{
8429bec1 RR	298	long x = 0;
	299	long y = 0;
	300	long w = -1;
	301	long h = -1;
	302	GetBox( x, y, w, h );
	303	return wxRect( x, y, w, h );
ff7b1510	304	}
c801d85f KB	305
	306	bool wxRegion::Empty(void) const
	307	{
	308	return gdk_region_empty( M_REGIONDATA->m_region );
ff7b1510	309	}
c801d85f KB	310
	311	wxRegionContain wxRegion::Contains( long x, long y ) const
	312	{
	313	if (gdk_region_point_in( M_REGIONDATA->m_region, x, y ))
	314	return wxInRegion;
	315	else
	316	return wxOutRegion;
ff7b1510	317	}
c801d85f KB	318
	319	wxRegionContain wxRegion::Contains( long x, long y, long w, long h ) const
	320	{
	321	GdkRectangle rect;
	322	rect.x = x;
	323	rect.y = y;
	324	rect.width = w;
	325	rect.height = h;
	326	GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
	327	switch (res)
	328	{
	329	case GDK_OVERLAP_RECTANGLE_IN: return wxInRegion;
	330	case GDK_OVERLAP_RECTANGLE_OUT: return wxOutRegion;
	331	case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
ff7b1510	332	}
c801d85f	333	return wxOutRegion;
ff7b1510	334	}
c801d85f	335
8429bec1 RR	336	wxRegionContain wxRegion::Contains(const wxPoint& pt) const
	337	{
	338	return Contains( pt.x, pt.y );
	339	}
	340
	341	wxRegionContain wxRegion::Contains(const wxRect& rect) const
	342	{
	343	return Contains( rect.x, rect.y, rect.width, rect.height );
	344	}
	345
c801d85f KB	346	GdkRegion *wxRegion::GetRegion(void) const
	347	{
	348	return M_REGIONDATA->m_region;
ff7b1510	349	}
c801d85f	350
8429bec1 RR	351	wxList *wxRegion::GetRectList() const
	352	{
	353	return &(M_REGIONDATA->m_rects);
	354	}
	355
	356	//-----------------------------------------------------------------------------
	357	// wxRegion
	358	//-----------------------------------------------------------------------------
	359
	360	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
	361
	362	wxRegionIterator::wxRegionIterator(void)
	363	{
	364	m_current = 0;
	365	}
	366
	367	wxRegionIterator::wxRegionIterator( const wxRegion& region )
	368	{
	369	m_region = region;
	370	m_current = 0;
	371	}
	372
	373	void wxRegionIterator::Reset( const wxRegion& region )
	374	{
	375	m_region = region;
	376	m_current = 0;
	377	}
	378
	379	wxRegionIterator::operator bool (void) const
	380	{
	381	return m_current < m_region.GetRectList()->Number();
	382	}
	383
	384	bool wxRegionIterator::HaveRects(void) const
	385	{
	386	return m_current < m_region.GetRectList()->Number();
	387	}
	388
	389	void wxRegionIterator::operator ++ (void)
	390	{
	391	if (m_current < m_region.GetRectList()->Number()) ++m_current;
	392	}
	393
	394	void wxRegionIterator::operator ++ (int)
	395	{
	396	if (m_current < m_region.GetRectList()->Number()) ++m_current;
	397	}
	398
	399	long wxRegionIterator::GetX(void) const
	400	{
	401	wxNode *node = m_region.GetRectList()->Nth( m_current );
	402	if (!node) return 0;
	403	wxRect r = (wxRect)node->Data();
	404	return r->x;
	405	}
	406
	407	long wxRegionIterator::GetY(void) const
	408	{
	409	wxNode *node = m_region.GetRectList()->Nth( m_current );
	410	if (!node) return 0;
	411	wxRect r = (wxRect)node->Data();
	412	return r->y;
	413	}
	414
415	long wxRegionIterator::GetW(void) const
416	{
417	wxNode *node = m_region.GetRectList()->Nth( m_current );
418	if (!node) return 0;
419	wxRect r = (wxRect)node->Data();
420	return r->width;
421	}
422
423	long wxRegionIterator::GetH(void) const
424	{
425	wxNode *node = m_region.GetRectList()->Nth( m_current );
426	if (!node) return 0;
427	wxRect r = (wxRect)node->Data();
428	return r->height;
429	}
430
431