[wxWidgets.git] / src / gtk1 / region.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        gtk/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();
    ~wxRegionRefData();

    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( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
{
    m_refData = new wxRegionRefData();
    GdkRegion *reg = gdk_region_new();
    GdkRectangle rect;
    rect.x = x;
    rect.y = y;
    rect.width = w;
    rect.height = h;
#ifdef __WXGTK20__
    gdk_region_union_with_rect( reg, &rect );
    M_REGIONDATA->m_region = reg;
#else
    M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
    gdk_region_destroy( reg );
#endif
    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;
#ifdef __WXGTK20__
    gdk_region_union_with_rect( reg, &rect );
    M_REGIONDATA->m_region = reg;
#else
    M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
    gdk_region_destroy( reg );
#endif
    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;
#ifdef __WXGTK20__
    gdk_region_union_with_rect( reg, &g_rect );
    M_REGIONDATA->m_region = reg;
#else
    M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
    gdk_region_destroy( reg );
#endif
    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
}

wxRegion::wxRegion()
{
}

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();
}

bool wxRegion::Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
    GdkRectangle rect;
    rect.x = x;
    rect.y = y;
    rect.width = width;
    rect.height = height;
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        GdkRegion *reg = gdk_region_new();
#ifdef __WXGTK20__
        gdk_region_union_with_rect( reg, &rect );
        M_REGIONDATA->m_region = reg;
#else
        M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
        gdk_region_destroy( reg );
#endif
    }
    else
    {
#ifdef __WXGTK20__
        gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
#else
        GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
        gdk_region_destroy( M_REGIONDATA->m_region );
        M_REGIONDATA->m_region = reg;
#endif
    }
    
    M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );

    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 = gdk_region_new();
    }

#ifdef __WXGTK20__
    gdk_region_union( M_REGIONDATA->m_region, region.GetRegion() );
#else
    GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;
#endif

    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( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = gdk_region_new();
    }
    
    wxRegion reg( x, y, width, height );
    Intersect( reg );
    return TRUE;
}

bool wxRegion::Intersect( const wxRect& rect )
{
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = gdk_region_new();
    }
    
    wxRegion reg( rect );
    Intersect( reg );
    return TRUE;
}

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

    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = gdk_region_new();
        return TRUE;
    }
    
#ifdef __WXGTK20__
    gdk_region_intersect( M_REGIONDATA->m_region, region.GetRegion() );
#else
    GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;
#endif
    return TRUE;
}

bool wxRegion::Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = gdk_region_new();
    }

    wxRegion reg( x, y, width, height );
    Subtract( reg );
    return TRUE;
}

bool wxRegion::Subtract( const wxRect& rect )
{
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = gdk_region_new();
    }

    wxRegion reg( rect );
    Subtract( reg );
    return TRUE;
}

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

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

#ifdef __WXGTK20__
    gdk_region_subtract( M_REGIONDATA->m_region, region.GetRegion() );
#else
    GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;
#endif
    return TRUE;
}

bool wxRegion::Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
{
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = gdk_region_new();
    }

    wxRegion reg( x, y, width, height );
    Xor( reg );
    return TRUE;
}

bool wxRegion::Xor( const wxRect& rect )
{
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
        M_REGIONDATA->m_region = gdk_region_new();
    }

    wxRegion reg( rect );
    Xor( reg );
    return TRUE;
}

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

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

#ifdef __WXGTK20__
    gdk_region_xor( M_REGIONDATA->m_region, region.GetRegion() );
#else
    GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
    gdk_region_destroy( M_REGIONDATA->m_region );
    M_REGIONDATA->m_region = reg;
#endif

    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( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
{
    x = 0;
    y = 0;
    w = -1;
    h = -1;
    if (!m_refData)
        return;

    GdkRectangle rect;
    gdk_region_get_clipbox( M_REGIONDATA->m_region, &rect );
    x = rect.x;
    y = rect.y;
    w = rect.width;
    h = rect.height;
}

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

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

    return gdk_region_empty( M_REGIONDATA->m_region );
}

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

    if (gdk_region_point_in( 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;

    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
{
    if (!m_refData)
        return (GdkRegion*) NULL;

    return M_REGIONDATA->m_region;
}

wxList *wxRegion::GetRectList() const
{
    if (!m_refData)
        return (wxList*) NULL;

    return &(M_REGIONDATA->m_rects);
}

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

IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);

wxRegionIterator::wxRegionIterator()
{
    Reset();
}

wxRegionIterator::wxRegionIterator( const wxRegion& region )
{
    Reset(region);
}

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

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

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

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

void wxRegionIterator::operator ++ (int)
{
    if (m_current < (size_t)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
c801d85f	1	/////////////////////////////////////////////////////////////////////////////
5fc7ede9	2	// Name: gtk/region.cpp
c801d85f KB	3	// Purpose:
c801d85f KB	4	// Author: Robert Roebling
f96aa4d9 RR	5	// Id: $Id$
f96aa4d9 RR	6	// Copyright: (c) 1998 Robert Roebling
5fc7ede9	7	// Licence: wxWindows licence
c801d85f KB	8	/////////////////////////////////////////////////////////////////////////////
c801d85f KB	9
c801d85f KB	10	#ifdef __GNUG__
	11	#pragma implementation "region.h"
	12	#endif
	13
	14	#include "wx/region.h"
	15
aed8ac3f RR	16	#include <gdk/gdk.h>
aed8ac3f RR	17	#include <gtk/gtk.h>
bbe0af5b	18
864e8bd0	19
c801d85f KB	20	//-----------------------------------------------------------------------------
	21	// wxRegion
	22	//-----------------------------------------------------------------------------
	23
	24	class wxRegionRefData: public wxObjectRefData
	25	{
864e8bd0	26	public:
bf57d1ad VZ	27	wxRegionRefData();
bf57d1ad VZ	28	~wxRegionRefData();
5fc7ede9	29
c801d85f	30	GdkRegion *m_region;
8429bec1	31	wxList m_rects;
c801d85f KB	32	};
c801d85f KB	33
bf57d1ad	34	wxRegionRefData::wxRegionRefData()
c801d85f	35	{
bbe0af5b	36	m_region = (GdkRegion *) NULL;
ff7b1510	37	}
c801d85f	38
bf57d1ad	39	wxRegionRefData::~wxRegionRefData()
c801d85f	40	{
bbe0af5b	41	if (m_region) gdk_region_destroy( m_region );
5fc7ede9	42
bbe0af5b RR	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);
5fc7ede9 VZ	57
5fc7ede9 VZ	58	wxRegion::wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
c801d85f	59	{
bbe0af5b RR	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;
b7c2d6ff OK	67	#ifdef __WXGTK20__
	68	gdk_region_union_with_rect( reg, &rect );
	69	M_REGIONDATA->m_region = reg;
	70	#else
bbe0af5b RR	71	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
bbe0af5b RR	72	gdk_region_destroy( reg );
b7c2d6ff	73	#endif
bbe0af5b	74	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,w,h) );
ff7b1510	75	}
c801d85f KB	76
	77	wxRegion::wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
	78	{
bbe0af5b RR	79	m_refData = new wxRegionRefData();
	80	GdkRegion *reg = gdk_region_new();
	81	GdkRectangle rect;
	82	rect.x = topLeft.x;
	83	rect.y = topLeft.y;
	84	rect.width = bottomRight.x - rect.x;
	85	rect.height = bottomRight.y - rect.y;
b7c2d6ff OK	86	#ifdef __WXGTK20__
	87	gdk_region_union_with_rect( reg, &rect );
	88	M_REGIONDATA->m_region = reg;
	89	#else
bbe0af5b RR	90	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
bbe0af5b RR	91	gdk_region_destroy( reg );
b7c2d6ff	92	#endif
bbe0af5b	93	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(topLeft,bottomRight) );
ff7b1510	94	}
c801d85f KB	95
	96	wxRegion::wxRegion( const wxRect& rect )
	97	{
bbe0af5b RR	98	m_refData = new wxRegionRefData();
	99	GdkRegion *reg = gdk_region_new();
	100	GdkRectangle g_rect;
	101	g_rect.x = rect.x;
	102	g_rect.y = rect.y;
	103	g_rect.width = rect.width;
	104	g_rect.height = rect.height;
b7c2d6ff OK	105	#ifdef __WXGTK20__
	106	gdk_region_union_with_rect( reg, &g_rect );
	107	M_REGIONDATA->m_region = reg;
	108	#else
bbe0af5b RR	109	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
bbe0af5b RR	110	gdk_region_destroy( reg );
b7c2d6ff	111	#endif
e1208c31	112	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
ff7b1510	113	}
c801d85f	114
bf57d1ad	115	wxRegion::wxRegion()
c801d85f	116	{
ff7b1510	117	}
c801d85f	118
bf57d1ad	119	wxRegion::~wxRegion()
c801d85f	120	{
ff7b1510	121	}
c801d85f	122
76ed8f8d RR	123	bool wxRegion::operator == ( const wxRegion& region )
76ed8f8d RR	124	{
5fc7ede9	125	return m_refData == region.m_refData;
76ed8f8d RR	126	}
	127
	128	bool wxRegion::operator != ( const wxRegion& region )
	129	{
5fc7ede9	130	return m_refData != region.m_refData;
76ed8f8d RR	131	}
76ed8f8d RR	132
bf57d1ad	133	void wxRegion::Clear()
c801d85f	134	{
bbe0af5b	135	UnRef();
ff7b1510	136	}
c801d85f	137
5fc7ede9	138	bool wxRegion::Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
c801d85f	139	{
bbe0af5b RR	140	GdkRectangle rect;
	141	rect.x = x;
	142	rect.y = y;
	143	rect.width = width;
	144	rect.height = height;
e1208c31 RR	145	if (!m_refData)
	146	{
	147	m_refData = new wxRegionRefData();
	148	GdkRegion *reg = gdk_region_new();
b7c2d6ff OK	149	#ifdef __WXGTK20__
	150	gdk_region_union_with_rect( reg, &rect );
	151	M_REGIONDATA->m_region = reg;
	152	#else
e1208c31 RR	153	M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
e1208c31 RR	154	gdk_region_destroy( reg );
b7c2d6ff	155	#endif
e1208c31 RR	156	}
	157	else
	158	{
b7c2d6ff OK	159	#ifdef __WXGTK20__
	160	gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
	161	#else
e1208c31 RR	162	GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
	163	gdk_region_destroy( M_REGIONDATA->m_region );
	164	M_REGIONDATA->m_region = reg;
b7c2d6ff	165	#endif
e1208c31 RR	166	}
e1208c31 RR	167
bbe0af5b	168	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );
e1208c31	169
bbe0af5b	170	return TRUE;
ff7b1510	171	}
c801d85f KB	172
	173	bool wxRegion::Union( const wxRect& rect )
	174	{
e1208c31	175	return Union( rect.x, rect.y, rect.width, rect.height );
ff7b1510	176	}
c801d85f KB	177
	178	bool wxRegion::Union( const wxRegion& region )
	179	{
e1208c31 RR	180	if (region.IsNull())
	181	return FALSE;
	182
	183	if (!m_refData)
	184	{
	185	m_refData = new wxRegionRefData();
	186	M_REGIONDATA->m_region = gdk_region_new();
	187	}
	188
b7c2d6ff OK	189	#ifdef __WXGTK20__
	190	gdk_region_union( M_REGIONDATA->m_region, region.GetRegion() );
	191	#else
bbe0af5b RR	192	GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
	193	gdk_region_destroy( M_REGIONDATA->m_region );
	194	M_REGIONDATA->m_region = reg;
b7c2d6ff	195	#endif
5fc7ede9	196
bbe0af5b RR	197	wxNode *node = region.GetRectList()->First();
	198	while (node)
	199	{
	200	wxRect r = (wxRect)node->Data();
	201	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
	202	node = node->Next();
	203	}
5fc7ede9	204
bbe0af5b	205	return TRUE;
ff7b1510	206	}
c801d85f	207
5fc7ede9	208	bool wxRegion::Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
c801d85f	209	{
e1208c31 RR	210	if (!m_refData)
	211	{
	212	m_refData = new wxRegionRefData();
	213	M_REGIONDATA->m_region = gdk_region_new();
	214	}
	215
bbe0af5b RR	216	wxRegion reg( x, y, width, height );
	217	Intersect( reg );
	218	return TRUE;
ff7b1510	219	}
c801d85f KB	220
	221	bool wxRegion::Intersect( const wxRect& rect )
	222	{
e1208c31 RR	223	if (!m_refData)
	224	{
	225	m_refData = new wxRegionRefData();
	226	M_REGIONDATA->m_region = gdk_region_new();
	227	}
	228
bbe0af5b RR	229	wxRegion reg( rect );
	230	Intersect( reg );
	231	return TRUE;
ff7b1510	232	}
c801d85f KB	233
	234	bool wxRegion::Intersect( const wxRegion& region )
	235	{
e1208c31 RR	236	if (region.IsNull())
	237	return FALSE;
	238
	239	if (!m_refData)
	240	{
	241	m_refData = new wxRegionRefData();
	242	M_REGIONDATA->m_region = gdk_region_new();
	243	return TRUE;
	244	}
	245
b7c2d6ff OK	246	#ifdef __WXGTK20__
	247	gdk_region_intersect( M_REGIONDATA->m_region, region.GetRegion() );
	248	#else
bbe0af5b RR	249	GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
	250	gdk_region_destroy( M_REGIONDATA->m_region );
	251	M_REGIONDATA->m_region = reg;
b7c2d6ff	252	#endif
bbe0af5b	253	return TRUE;
ff7b1510	254	}
c801d85f	255
5fc7ede9	256	bool wxRegion::Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
c801d85f	257	{
e1208c31 RR	258	if (!m_refData)
	259	{
	260	m_refData = new wxRegionRefData();
	261	M_REGIONDATA->m_region = gdk_region_new();
	262	}
	263
bbe0af5b RR	264	wxRegion reg( x, y, width, height );
	265	Subtract( reg );
	266	return TRUE;
ff7b1510	267	}
c801d85f KB	268
	269	bool wxRegion::Subtract( const wxRect& rect )
	270	{
e1208c31 RR	271	if (!m_refData)
	272	{
	273	m_refData = new wxRegionRefData();
	274	M_REGIONDATA->m_region = gdk_region_new();
	275	}
	276
bbe0af5b RR	277	wxRegion reg( rect );
	278	Subtract( reg );
	279	return TRUE;
ff7b1510	280	}
c801d85f KB	281
	282	bool wxRegion::Subtract( const wxRegion& region )
	283	{
e1208c31 RR	284	if (region.IsNull())
	285	return FALSE;
	286
	287	if (!m_refData)
	288	{
	289	m_refData = new wxRegionRefData();
	290	M_REGIONDATA->m_region = gdk_region_new();
	291	}
	292
b7c2d6ff OK	293	#ifdef __WXGTK20__
	294	gdk_region_subtract( M_REGIONDATA->m_region, region.GetRegion() );
	295	#else
bbe0af5b RR	296	GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
	297	gdk_region_destroy( M_REGIONDATA->m_region );
	298	M_REGIONDATA->m_region = reg;
b7c2d6ff	299	#endif
bbe0af5b	300	return TRUE;
ff7b1510	301	}
c801d85f	302
5fc7ede9	303	bool wxRegion::Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
c801d85f	304	{
e1208c31 RR	305	if (!m_refData)
	306	{
	307	m_refData = new wxRegionRefData();
	308	M_REGIONDATA->m_region = gdk_region_new();
	309	}
	310
bbe0af5b RR	311	wxRegion reg( x, y, width, height );
	312	Xor( reg );
	313	return TRUE;
ff7b1510	314	}
c801d85f KB	315
	316	bool wxRegion::Xor( const wxRect& rect )
	317	{
e1208c31 RR	318	if (!m_refData)
	319	{
	320	m_refData = new wxRegionRefData();
	321	M_REGIONDATA->m_region = gdk_region_new();
	322	}
	323
bbe0af5b RR	324	wxRegion reg( rect );
	325	Xor( reg );
	326	return TRUE;
ff7b1510	327	}
c801d85f KB	328
	329	bool wxRegion::Xor( const wxRegion& region )
	330	{
e1208c31	331	if (region.IsNull())
05a11043	332	return FALSE;
e1208c31 RR	333
	334	if (!m_refData)
	335	{
	336	m_refData = new wxRegionRefData();
	337	M_REGIONDATA->m_region = gdk_region_new();
	338	}
	339
b7c2d6ff OK	340	#ifdef __WXGTK20__
	341	gdk_region_xor( M_REGIONDATA->m_region, region.GetRegion() );
	342	#else
bbe0af5b RR	343	GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
	344	gdk_region_destroy( M_REGIONDATA->m_region );
	345	M_REGIONDATA->m_region = reg;
b7c2d6ff	346	#endif
5fc7ede9	347
bbe0af5b RR	348	wxNode *node = region.GetRectList()->First();
	349	while (node)
	350	{
	351	wxRect r = (wxRect)node->Data();
	352	M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
	353	node = node->Next();
	354	}
5fc7ede9	355
bbe0af5b	356	return TRUE;
ff7b1510	357	}
c801d85f	358
e1208c31	359	void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
c801d85f	360	{
bbe0af5b RR	361	x = 0;
	362	y = 0;
	363	w = -1;
	364	h = -1;
05a11043	365	if (!m_refData)
e1208c31 RR	366	return;
e1208c31 RR	367
864e8bd0 RR	368	GdkRectangle rect;
	369	gdk_region_get_clipbox( M_REGIONDATA->m_region, &rect );
	370	x = rect.x;
	371	y = rect.y;
	372	w = rect.width;
	373	h = rect.height;
ff7b1510	374	}
c801d85f	375
bf57d1ad	376	wxRect wxRegion::GetBox() const
c801d85f	377	{
5fc7ede9 VZ	378	wxCoord x = 0;
	379	wxCoord y = 0;
	380	wxCoord w = -1;
	381	wxCoord h = -1;
bbe0af5b RR	382	GetBox( x, y, w, h );
bbe0af5b RR	383	return wxRect( x, y, w, h );
ff7b1510	384	}
c801d85f	385
bf57d1ad	386	bool wxRegion::Empty() const
c801d85f	387	{
e1208c31 RR	388	if (!m_refData)
	389	return TRUE;
	390
bbe0af5b	391	return gdk_region_empty( M_REGIONDATA->m_region );
ff7b1510	392	}
c801d85f	393
5fc7ede9	394	wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y ) const
c801d85f	395	{
e1208c31 RR	396	if (!m_refData)
	397	return wxOutRegion;
	398
bbe0af5b RR	399	if (gdk_region_point_in( M_REGIONDATA->m_region, x, y ))
	400	return wxInRegion;
	401	else
	402	return wxOutRegion;
ff7b1510	403	}
c801d85f	404
5fc7ede9	405	wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const
c801d85f	406	{
e1208c31 RR	407	if (!m_refData)
	408	return wxOutRegion;
	409
bbe0af5b RR	410	GdkRectangle rect;
	411	rect.x = x;
	412	rect.y = y;
	413	rect.width = w;
	414	rect.height = h;
	415	GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
	416	switch (res)
	417	{
	418	case GDK_OVERLAP_RECTANGLE_IN: return wxInRegion;
	419	case GDK_OVERLAP_RECTANGLE_OUT: return wxOutRegion;
	420	case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
	421	}
	422	return wxOutRegion;
ff7b1510	423	}
c801d85f	424
8429bec1 RR	425	wxRegionContain wxRegion::Contains(const wxPoint& pt) const
8429bec1 RR	426	{
bbe0af5b	427	return Contains( pt.x, pt.y );
8429bec1 RR	428	}
	429
	430	wxRegionContain wxRegion::Contains(const wxRect& rect) const
	431	{
bbe0af5b	432	return Contains( rect.x, rect.y, rect.width, rect.height );
8429bec1 RR	433	}
8429bec1 RR	434
bf57d1ad	435	GdkRegion *wxRegion::GetRegion() const
c801d85f	436	{
e1208c31 RR	437	if (!m_refData)
	438	return (GdkRegion*) NULL;
	439
bbe0af5b	440	return M_REGIONDATA->m_region;
ff7b1510	441	}
c801d85f	442
8429bec1 RR	443	wxList *wxRegion::GetRectList() const
8429bec1 RR	444	{
e1208c31 RR	445	if (!m_refData)
	446	return (wxList*) NULL;
	447
bbe0af5b	448	return &(M_REGIONDATA->m_rects);
8429bec1 RR	449	}
	450
	451	//-----------------------------------------------------------------------------
	452	// wxRegion
	453	//-----------------------------------------------------------------------------
	454
	455	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
5fc7ede9	456
bf57d1ad	457	wxRegionIterator::wxRegionIterator()
8429bec1	458	{
6f2a55e3	459	Reset();
8429bec1 RR	460	}
	461
	462	wxRegionIterator::wxRegionIterator( const wxRegion& region )
	463	{
6f2a55e3	464	Reset(region);
8429bec1 RR	465	}
	466
	467	void wxRegionIterator::Reset( const wxRegion& region )
	468	{
bbe0af5b	469	m_region = region;
6f2a55e3	470	Reset();
8429bec1 RR	471	}
8429bec1 RR	472
5fc7ede9 VZ	473	wxRegionIterator::operator bool () const
5fc7ede9 VZ	474	{
674ac8b9	475	return m_current < (size_t)m_region.GetRectList()->Number();
8429bec1 RR	476	}
8429bec1 RR	477
5fc7ede9 VZ	478	bool wxRegionIterator::HaveRects() const
5fc7ede9 VZ	479	{
674ac8b9	480	return m_current < (size_t)m_region.GetRectList()->Number();
8429bec1 RR	481	}
8429bec1 RR	482
bf57d1ad	483	void wxRegionIterator::operator ++ ()
8429bec1	484	{
674ac8b9	485	if (m_current < (size_t)m_region.GetRectList()->Number()) ++m_current;
8429bec1 RR	486	}
	487
	488	void wxRegionIterator::operator ++ (int)
	489	{
674ac8b9	490	if (m_current < (size_t)m_region.GetRectList()->Number()) ++m_current;
8429bec1 RR	491	}
8429bec1 RR	492
bf57d1ad	493	wxCoord wxRegionIterator::GetX() const
8429bec1	494	{
bbe0af5b RR	495	wxNode *node = m_region.GetRectList()->Nth( m_current );
	496	if (!node) return 0;
	497	wxRect r = (wxRect)node->Data();
	498	return r->x;
8429bec1 RR	499	}
8429bec1 RR	500
bf57d1ad	501	wxCoord wxRegionIterator::GetY() const
8429bec1	502	{
bbe0af5b RR	503	wxNode *node = m_region.GetRectList()->Nth( m_current );
	504	if (!node) return 0;
	505	wxRect r = (wxRect)node->Data();
	506	return r->y;
8429bec1 RR	507	}
8429bec1 RR	508
bf57d1ad	509	wxCoord wxRegionIterator::GetW() const
8429bec1	510	{
bbe0af5b RR	511	wxNode *node = m_region.GetRectList()->Nth( m_current );
	512	if (!node) return 0;
	513	wxRect r = (wxRect)node->Data();
	514	return r->width;
8429bec1 RR	515	}
8429bec1 RR	516
bf57d1ad	517	wxCoord wxRegionIterator::GetH() const
8429bec1	518	{
bbe0af5b RR	519	wxNode *node = m_region.GetRectList()->Nth( m_current );
	520	if (!node) return 0;
	521	wxRect r = (wxRect)node->Data();
	522	return r->height;
8429bec1 RR	523	}
	524
	525