src/x11/region.cpp

/////////////////////////////////////////////////////////////////////////////
// File:      region.cpp
// Purpose:   Region class
// Author:    Markus Holzem, Julian Smart, Robert Roebling
// Created:   Fri Oct 24 10:46:34 MET 1997
// RCS-ID:      $Id$
// Copyright: (c) 1997 Markus Holzem, Julian Smart, Robert Roebling
// Licence:   wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

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

#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include "wx/x11/private.h"
#include "X11/Xutil.h"
#ifdef __VMS__
#pragma message enable nosimpint
#endif

// ----------------------------------------------------------------------------
// wxRegionRefData: private class containing the information about the region
// ----------------------------------------------------------------------------

class wxRegionRefData : public wxObjectRefData
{
public:
    wxRegionRefData()
    {
        m_region = NULL;
    }

    wxRegionRefData(const wxRegionRefData& refData)
    {
        m_region = XCreateRegion();
        XUnionRegion( refData.m_region, m_region, m_region );
    }

    ~wxRegionRefData()
    {
        if (m_region)
            XDestroyRegion( m_region );
    }

    Region m_region;
};

// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------

#define M_REGIONDATA ((wxRegionRefData *)m_refData)
#define M_REGIONDATA_OF(rgn) ((wxRegionRefData *)(rgn.m_refData))

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

// ----------------------------------------------------------------------------
// wxRegion construction
// ----------------------------------------------------------------------------

#define M_REGIONDATA ((wxRegionRefData *)m_refData)

void wxRegion::InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
{
    XRectangle rect;
    rect.x = x;
    rect.y = y;
    rect.width = w;
    rect.height = h;

    m_refData = new wxRegionRefData();

    M_REGIONDATA->m_region = XCreateRegion();
    XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
}

wxRegion::wxRegion( size_t n, const wxPoint *points, int fillStyle )
{
#if 0
    XPoint *xpoints = new XPoint[n];
    for ( size_t i = 0 ; i < n ; i++ )
    {
        xpoints[i].x = points[i].x;
        xpoints[i].y = points[i].y;
    }

    m_refData = new wxRegionRefData();

    Region* reg = gdk_region_polygon
                     (
                        gdkpoints,
                        n,
                        fillStyle == wxWINDING_RULE ? GDK_WINDING_RULE
                                                    : GDK_EVEN_ODD_RULE
                     );

    M_REGIONDATA->m_region = reg;

    delete [] xpoints;
#endif
}

wxRegion::~wxRegion()
{
    // m_refData unrefed in ~wxObject
}

wxObjectRefData *wxRegion::CreateRefData() const
{
    return new wxRegionRefData;
}

wxObjectRefData *wxRegion::CloneRefData(const wxObjectRefData *data) const
{
    return new wxRegionRefData(*(wxRegionRefData *)data);
}

// ----------------------------------------------------------------------------
// wxRegion comparison
// ----------------------------------------------------------------------------

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

    if (!m_refData || !region.m_refData) return FALSE;

    // compare the regions themselves, not the pointers to ref data!
    return XEqualRegion( M_REGIONDATA->m_region,
                         M_REGIONDATA_OF(region)->m_region );
}

// ----------------------------------------------------------------------------
// wxRegion operations
// ----------------------------------------------------------------------------

void wxRegion::Clear()
{
    UnRef();
}

bool wxRegion::Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
    XRectangle rect;
    rect.x = x;
    rect.y = y;
    rect.width = width;
    rect.height = height;

    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = XCreateRegion();
        XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
    }
    else
    {
        AllocExclusive();

        XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
    }

    return TRUE;
}

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

bool wxRegion::Union( const wxRegion& region )
{
    if (region.IsNull())
        return FALSE;

    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = XCreateRegion();
    }
    else
    {
        AllocExclusive();
    }

    XUnionRegion( M_REGIONDATA->m_region,
                  M_REGIONDATA_OF(region)->m_region,
                  M_REGIONDATA->m_region );

    return TRUE;
}

bool wxRegion::Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
    wxRegion reg( x, y, width, height );

    return Intersect( reg );
}

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

    return Intersect( reg );
}

bool wxRegion::Intersect( const wxRegion& region )
{
    if (region.IsNull())
        return FALSE;

    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = XCreateRegion();

        // leave here
        return TRUE;
    }
    else
    {
        AllocExclusive();
    }

    XIntersectRegion( M_REGIONDATA->m_region,
                      M_REGIONDATA_OF(region)->m_region,
                      M_REGIONDATA->m_region );

    return TRUE;
}

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

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

bool wxRegion::Subtract( const wxRegion& region )
{
    if (region.IsNull())
        return FALSE;

    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = XCreateRegion();
    }
    else
    {
        AllocExclusive();
    }

    XSubtractRegion( M_REGIONDATA->m_region,
                     M_REGIONDATA_OF(region)->m_region,
                     M_REGIONDATA->m_region );

    return TRUE;
}

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

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

bool wxRegion::Xor( const wxRegion& region )
{
    if (region.IsNull())
        return FALSE;

    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = XCreateRegion();
    }
    else
    {
        AllocExclusive();
    }

    XXorRegion( M_REGIONDATA->m_region,
                M_REGIONDATA_OF(region)->m_region,
                M_REGIONDATA->m_region );

    return TRUE;
}

// ----------------------------------------------------------------------------
// wxRegion tests
// ----------------------------------------------------------------------------

void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
{
    if (m_refData)
    {
        XRectangle rect;
        XClipBox( M_REGIONDATA->m_region, &rect );
        x = rect.x;
        y = rect.y;
        w = rect.width;
        h = rect.height;
    }
    else
    {
        x = 0;
        y = 0;
        w = -1;
        h = -1;
    }
}

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

bool wxRegion::Offset( wxCoord x, wxCoord y )
{
    if (!m_refData)
        return FALSE;

    AllocExclusive();

    XOffsetRegion( M_REGIONDATA->m_region, x, y );

    return TRUE;
}

bool wxRegion::Empty() const
{
    if (!m_refData)
        return TRUE;

    return XEmptyRegion( M_REGIONDATA->m_region );
}

wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y ) const
{
    if (!m_refData)
        return wxOutRegion;

    if (XPointInRegion( M_REGIONDATA->m_region, x, y ))
        return wxInRegion;
    else
        return wxOutRegion;
}

wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const
{
    if (!m_refData)
        return wxOutRegion;

    int res = XRectInRegion( M_REGIONDATA->m_region, x, y, w, h );
    switch (res)
    {
        case RectangleIn:   return wxInRegion;
        case RectangleOut:  return wxOutRegion;
        case RectanglePart: 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 );
}

WXRegion *wxRegion::GetX11Region() const
{
    if (!m_refData)
        return (WXRegion*) NULL;

    return (WXRegion*) M_REGIONDATA->m_region;
}

// ----------------------------------------------------------------------------
// wxRegionIterator
// ----------------------------------------------------------------------------

// the following structures must match the private structures
// in X11 region code ( xc/lib/X11/region.h )

// this makes the Region type transparent
// and we have access to the region rectangles

struct _XBox {
    short x1, x2, y1, y2;
};

struct _XRegion {
    long   size , numRects;
    _XBox *rects, extents;
};

class wxRIRefData: public wxObjectRefData
{
public:

    wxRIRefData() : m_rects(0), m_numRects(0){}
   ~wxRIRefData();

    wxRect *m_rects;
    size_t  m_numRects;

    void CreateRects( const wxRegion& r );
};

wxRIRefData::~wxRIRefData()
{
    delete [] m_rects;
}

void wxRIRefData::CreateRects( const wxRegion& region )
{
    if (m_rects)
      delete [] m_rects;

    m_rects = 0;
    m_numRects = 0;

    if (region.IsEmpty()) return;

    Region r = (Region) region.GetX11Region();
    if (r)
    {
#if wxUSE_NANOX
        GR_RECT rect;
        GrGetRegionBox(r, & rect);
        m_numRects = 1;
        m_rects = new wxRect[1];
        m_rects[0].x = rect.x;
        m_rects[0].y = rect.y;
        m_rects[0].width = rect.width;
        m_rects[0].height = rect.height;
#else
        m_numRects = r->numRects;
        if (m_numRects)
        {
            m_rects = new wxRect[m_numRects];
            for (size_t i=0; i < m_numRects; ++i)
            {
                _XBox &xr = r->rects[i];
                wxRect &wr = m_rects[i];
                wr.x = xr.x1;
                wr.y = xr.y1;
                wr.width = xr.x2-xr.x1;
                wr.height = xr.y2-xr.y1;
            }
        }
#endif
    }
}

wxRegionIterator::wxRegionIterator()
{
    m_refData = new wxRIRefData();
    Reset();
}

wxRegionIterator::wxRegionIterator( const wxRegion& region )
{
    m_refData = new wxRIRefData();
    Reset(region);
}

void wxRegionIterator::Reset( const wxRegion& region )
{
    m_region = region;
    ((wxRIRefData*)m_refData)->CreateRects(region);
    Reset();
}

bool wxRegionIterator::HaveRects() const
{
    return m_current < ((wxRIRefData*)m_refData)->m_numRects;
}

wxRegionIterator::operator bool () const
{
    return HaveRects();
}

void wxRegionIterator::operator ++ ()
{
    if (HaveRects()) ++m_current;
}

void wxRegionIterator::operator ++ (int)
{
    if (HaveRects()) ++m_current;
}

wxCoord wxRegionIterator::GetX() const
{
    if( !HaveRects() ) return 0;
    return ((wxRIRefData*)m_refData)->m_rects[m_current].x;
}

wxCoord wxRegionIterator::GetY() const
{
    if( !HaveRects() ) return 0;
    return ((wxRIRefData*)m_refData)->m_rects[m_current].y;
}

wxCoord wxRegionIterator::GetW() const
{
    if( !HaveRects() ) return -1;
    return ((wxRIRefData*)m_refData)->m_rects[m_current].width;
}

wxCoord wxRegionIterator::GetH() const
{
    if( !HaveRects() ) return -1;
    return ((wxRIRefData*)m_refData)->m_rects[m_current].height;
}

wxRect wxRegionIterator::GetRect() const
{
    wxRect r;
    if( HaveRects() )
        r = ((wxRIRefData*)m_refData)->m_rects[m_current];

    return r;
}
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// File: region.cpp
	3	// Purpose: Region class
	4	// Author: Markus Holzem, Julian Smart, Robert Roebling
	5	// Created: Fri Oct 24 10:46:34 MET 1997
	6	// RCS-ID: $Id$
	7	// Copyright: (c) 1997 Markus Holzem, Julian Smart, Robert Roebling
	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/log.h"
	18
	19	#ifdef __VMS__
	20	#pragma message disable nosimpint
	21	#endif
	22	#include "wx/x11/private.h"
	23	#include "X11/Xutil.h"
	24	#ifdef __VMS__
	25	#pragma message enable nosimpint
	26	#endif
	27
	28	// ----------------------------------------------------------------------------
	29	// wxRegionRefData: private class containing the information about the region
	30	// ----------------------------------------------------------------------------
	31
	32	class wxRegionRefData : public wxObjectRefData
	33	{
	34	public:
	35	wxRegionRefData()
	36	{
	37	m_region = NULL;
	38	}
	39
	40	wxRegionRefData(const wxRegionRefData& refData)
	41	{
	42	m_region = XCreateRegion();
	43	XUnionRegion( refData.m_region, m_region, m_region );
	44	}
	45
	46	~wxRegionRefData()
	47	{
	48	if (m_region)
	49	XDestroyRegion( m_region );
	50	}
	51
	52	Region m_region;
	53	};
	54
	55	// ----------------------------------------------------------------------------
	56	// macros
	57	// ----------------------------------------------------------------------------
	58
	59	#define M_REGIONDATA ((wxRegionRefData *)m_refData)
	60	#define M_REGIONDATA_OF(rgn) ((wxRegionRefData *)(rgn.m_refData))
	61
	62	IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject);
	63	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
	64
	65	// ----------------------------------------------------------------------------
	66	// wxRegion construction
	67	// ----------------------------------------------------------------------------
	68
	69	#define M_REGIONDATA ((wxRegionRefData *)m_refData)
	70
	71	void wxRegion::InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
	72	{
	73	XRectangle rect;
	74	rect.x = x;
	75	rect.y = y;
	76	rect.width = w;
	77	rect.height = h;
	78
	79	m_refData = new wxRegionRefData();
	80
	81	M_REGIONDATA->m_region = XCreateRegion();
	82	XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
	83	}
	84
	85	wxRegion::wxRegion( size_t n, const wxPoint *points, int fillStyle )
	86	{
	87	#if 0
	88	XPoint *xpoints = new XPoint[n];
	89	for ( size_t i = 0 ; i < n ; i++ )
	90	{
	91	xpoints[i].x = points[i].x;
	92	xpoints[i].y = points[i].y;
	93	}
	94
	95	m_refData = new wxRegionRefData();
	96
	97	Region* reg = gdk_region_polygon
	98	(
	99	gdkpoints,
	100	n,
	101	fillStyle == wxWINDING_RULE ? GDK_WINDING_RULE
	102	: GDK_EVEN_ODD_RULE
	103	);
	104
	105	M_REGIONDATA->m_region = reg;
	106
	107	delete [] xpoints;
	108	#endif
	109	}
	110
	111	wxRegion::~wxRegion()
	112	{
	113	// m_refData unrefed in ~wxObject
	114	}
	115
	116	wxObjectRefData *wxRegion::CreateRefData() const
	117	{
	118	return new wxRegionRefData;
	119	}
	120
	121	wxObjectRefData wxRegion::CloneRefData(const wxObjectRefData data) const
	122	{
	123	return new wxRegionRefData((wxRegionRefData )data);
	124	}
	125
	126	// ----------------------------------------------------------------------------
	127	// wxRegion comparison
	128	// ----------------------------------------------------------------------------
	129
	130	bool wxRegion::operator==( const wxRegion& region )
	131	{
	132	if (m_refData == region.m_refData) return TRUE;
	133
	134	if (!m_refData \|\| !region.m_refData) return FALSE;
	135
	136	// compare the regions themselves, not the pointers to ref data!
	137	return XEqualRegion( M_REGIONDATA->m_region,
	138	M_REGIONDATA_OF(region)->m_region );
	139	}
	140
	141	// ----------------------------------------------------------------------------
	142	// wxRegion operations
	143	// ----------------------------------------------------------------------------
	144
	145	void wxRegion::Clear()
	146	{
	147	UnRef();
	148	}
	149
	150	bool wxRegion::Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
	151	{
	152	XRectangle rect;
	153	rect.x = x;
	154	rect.y = y;
	155	rect.width = width;
	156	rect.height = height;
	157
	158	if (!m_refData)
	159	{
	160	m_refData = new wxRegionRefData();
	161	M_REGIONDATA->m_region = XCreateRegion();
	162	XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
	163	}
	164	else
	165	{
	166	AllocExclusive();
	167
	168	XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
	169	}
	170
	171	return TRUE;
	172	}
	173
	174	bool wxRegion::Union( const wxRect& rect )
	175	{
	176	return Union( rect.x, rect.y, rect.width, rect.height );
	177	}
	178
	179	bool wxRegion::Union( const wxRegion& region )
	180	{
	181	if (region.IsNull())
	182	return FALSE;
	183
	184	if (!m_refData)
	185	{
	186	m_refData = new wxRegionRefData();
	187	M_REGIONDATA->m_region = XCreateRegion();
	188	}
	189	else
	190	{
	191	AllocExclusive();
	192	}
	193
	194	XUnionRegion( M_REGIONDATA->m_region,
	195	M_REGIONDATA_OF(region)->m_region,
	196	M_REGIONDATA->m_region );
	197
	198	return TRUE;
	199	}
	200
	201	bool wxRegion::Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
	202	{
	203	wxRegion reg( x, y, width, height );
	204
	205	return Intersect( reg );
	206	}
	207
	208	bool wxRegion::Intersect( const wxRect& rect )
	209	{
	210	wxRegion reg( rect );
	211
	212	return Intersect( reg );
	213	}
	214
	215	bool wxRegion::Intersect( const wxRegion& region )
	216	{
	217	if (region.IsNull())
	218	return FALSE;
	219
	220	if (!m_refData)
	221	{
	222	m_refData = new wxRegionRefData();
	223	M_REGIONDATA->m_region = XCreateRegion();
	224
	225	// leave here
	226	return TRUE;
	227	}
	228	else
	229	{
	230	AllocExclusive();
	231	}
	232
	233	XIntersectRegion( M_REGIONDATA->m_region,
	234	M_REGIONDATA_OF(region)->m_region,
	235	M_REGIONDATA->m_region );
	236
	237	return TRUE;
	238	}
	239
	240	bool wxRegion::Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
	241	{
	242	wxRegion reg( x, y, width, height );
	243	return Subtract( reg );
	244	}
	245
	246	bool wxRegion::Subtract( const wxRect& rect )
	247	{
	248	wxRegion reg( rect );
	249	return Subtract( reg );
	250	}
	251
	252	bool wxRegion::Subtract( const wxRegion& region )
	253	{
	254	if (region.IsNull())
	255	return FALSE;
	256
	257	if (!m_refData)
	258	{
	259	m_refData = new wxRegionRefData();
	260	M_REGIONDATA->m_region = XCreateRegion();
	261	}
	262	else
	263	{
	264	AllocExclusive();
	265	}
	266
	267	XSubtractRegion( M_REGIONDATA->m_region,
	268	M_REGIONDATA_OF(region)->m_region,
	269	M_REGIONDATA->m_region );
	270
	271	return TRUE;
	272	}
	273
	274	bool wxRegion::Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
	275	{
	276	wxRegion reg( x, y, width, height );
	277	return Xor( reg );
	278	}
	279
	280	bool wxRegion::Xor( const wxRect& rect )
	281	{
	282	wxRegion reg( rect );
	283	return Xor( reg );
	284	}
	285
	286	bool wxRegion::Xor( const wxRegion& region )
	287	{
	288	if (region.IsNull())
	289	return FALSE;
	290
	291	if (!m_refData)
	292	{
	293	m_refData = new wxRegionRefData();
	294	M_REGIONDATA->m_region = XCreateRegion();
	295	}
	296	else
	297	{
	298	AllocExclusive();
	299	}
	300
	301	XXorRegion( M_REGIONDATA->m_region,
	302	M_REGIONDATA_OF(region)->m_region,
	303	M_REGIONDATA->m_region );
	304
	305	return TRUE;
	306	}
	307
	308	// ----------------------------------------------------------------------------
	309	// wxRegion tests
	310	// ----------------------------------------------------------------------------
	311
	312	void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
	313	{
	314	if (m_refData)
	315	{
	316	XRectangle rect;
	317	XClipBox( M_REGIONDATA->m_region, &rect );
	318	x = rect.x;
	319	y = rect.y;
	320	w = rect.width;
	321	h = rect.height;
	322	}
	323	else
	324	{
	325	x = 0;
	326	y = 0;
	327	w = -1;
	328	h = -1;
	329	}
	330	}
	331
	332	wxRect wxRegion::GetBox() const
	333	{
	334	wxCoord x, y, w, h;
	335	GetBox( x, y, w, h );
	336	return wxRect( x, y, w, h );
	337	}
	338
	339	bool wxRegion::Offset( wxCoord x, wxCoord y )
	340	{
	341	if (!m_refData)
	342	return FALSE;
	343
	344	AllocExclusive();
	345
	346	XOffsetRegion( M_REGIONDATA->m_region, x, y );
	347
	348	return TRUE;
	349	}
	350
	351	bool wxRegion::Empty() const
	352	{
	353	if (!m_refData)
	354	return TRUE;
	355
	356	return XEmptyRegion( M_REGIONDATA->m_region );
	357	}
	358
	359	wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y ) const
	360	{
	361	if (!m_refData)
	362	return wxOutRegion;
	363
	364	if (XPointInRegion( M_REGIONDATA->m_region, x, y ))
	365	return wxInRegion;
	366	else
	367	return wxOutRegion;
	368	}
	369
	370	wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const
	371	{
	372	if (!m_refData)
	373	return wxOutRegion;
	374
	375	int res = XRectInRegion( M_REGIONDATA->m_region, x, y, w, h );
	376	switch (res)
	377	{
	378	case RectangleIn: return wxInRegion;
	379	case RectangleOut: return wxOutRegion;
	380	case RectanglePart: return wxPartRegion;
	381	}
	382	return wxOutRegion;
	383	}
	384
	385	wxRegionContain wxRegion::Contains(const wxPoint& pt) const
	386	{
	387	return Contains( pt.x, pt.y );
	388	}
	389
	390	wxRegionContain wxRegion::Contains(const wxRect& rect) const
	391	{
	392	return Contains( rect.x, rect.y, rect.width, rect.height );
	393	}
	394
	395	WXRegion *wxRegion::GetX11Region() const
	396	{
	397	if (!m_refData)
	398	return (WXRegion*) NULL;
	399
	400	return (WXRegion*) M_REGIONDATA->m_region;
	401	}
	402
	403	// ----------------------------------------------------------------------------
	404	// wxRegionIterator
	405	// ----------------------------------------------------------------------------
	406
	407	// the following structures must match the private structures
	408	// in X11 region code ( xc/lib/X11/region.h )
	409
	410	// this makes the Region type transparent
	411	// and we have access to the region rectangles
	412
	413	struct _XBox {
	414	short x1, x2, y1, y2;
	415	};
	416
	417	struct _XRegion {
	418	long size , numRects;
	419	_XBox *rects, extents;
	420	};
	421
	422	class wxRIRefData: public wxObjectRefData
	423	{
	424	public:
	425
	426	wxRIRefData() : m_rects(0), m_numRects(0){}
	427	~wxRIRefData();
	428
	429	wxRect *m_rects;
	430	size_t m_numRects;
	431
	432	void CreateRects( const wxRegion& r );
	433	};
	434
	435	wxRIRefData::~wxRIRefData()
	436	{
	437	delete [] m_rects;
	438	}
	439
	440	void wxRIRefData::CreateRects( const wxRegion& region )
	441	{
	442	if (m_rects)
	443	delete [] m_rects;
	444
	445	m_rects = 0;
	446	m_numRects = 0;
	447
	448	if (region.IsEmpty()) return;
	449
	450	Region r = (Region) region.GetX11Region();
	451	if (r)
	452	{
	453	#if wxUSE_NANOX
	454	GR_RECT rect;
	455	GrGetRegionBox(r, & rect);
	456	m_numRects = 1;
	457	m_rects = new wxRect[1];
	458	m_rects[0].x = rect.x;
	459	m_rects[0].y = rect.y;
	460	m_rects[0].width = rect.width;
	461	m_rects[0].height = rect.height;
	462	#else
	463	m_numRects = r->numRects;
	464	if (m_numRects)
	465	{
	466	m_rects = new wxRect[m_numRects];
	467	for (size_t i=0; i < m_numRects; ++i)
	468	{
	469	_XBox &xr = r->rects[i];
	470	wxRect &wr = m_rects[i];
	471	wr.x = xr.x1;
	472	wr.y = xr.y1;
	473	wr.width = xr.x2-xr.x1;
	474	wr.height = xr.y2-xr.y1;
	475	}
	476	}
	477	#endif
	478	}
	479	}
	480
	481	wxRegionIterator::wxRegionIterator()
	482	{
	483	m_refData = new wxRIRefData();
	484	Reset();
	485	}
	486
	487	wxRegionIterator::wxRegionIterator( const wxRegion& region )
	488	{
	489	m_refData = new wxRIRefData();
	490	Reset(region);
	491	}
	492
	493	void wxRegionIterator::Reset( const wxRegion& region )
	494	{
	495	m_region = region;
	496	((wxRIRefData*)m_refData)->CreateRects(region);
	497	Reset();
	498	}
	499
	500	bool wxRegionIterator::HaveRects() const
	501	{
	502	return m_current < ((wxRIRefData*)m_refData)->m_numRects;
	503	}
	504
	505	wxRegionIterator::operator bool () const
	506	{
	507	return HaveRects();
	508	}
	509
	510	void wxRegionIterator::operator ++ ()
	511	{
	512	if (HaveRects()) ++m_current;
	513	}
	514
	515	void wxRegionIterator::operator ++ (int)
	516	{
	517	if (HaveRects()) ++m_current;
	518	}
	519
	520	wxCoord wxRegionIterator::GetX() const
	521	{
	522	if( !HaveRects() ) return 0;
	523	return ((wxRIRefData*)m_refData)->m_rects[m_current].x;
	524	}
	525
	526	wxCoord wxRegionIterator::GetY() const
	527	{
	528	if( !HaveRects() ) return 0;
	529	return ((wxRIRefData*)m_refData)->m_rects[m_current].y;
	530	}
	531
	532	wxCoord wxRegionIterator::GetW() const
	533	{
	534	if( !HaveRects() ) return -1;
	535	return ((wxRIRefData*)m_refData)->m_rects[m_current].width;
	536	}
	537
	538	wxCoord wxRegionIterator::GetH() const
	539	{
	540	if( !HaveRects() ) return -1;
	541	return ((wxRIRefData*)m_refData)->m_rects[m_current].height;
	542	}
	543
	544	wxRect wxRegionIterator::GetRect() const
	545	{
	546	wxRect r;
	547	if( HaveRects() )
	548	r = ((wxRIRefData*)m_refData)->m_rects[m_current];
	549
	550	return r;
	551	}
	552