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

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

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

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

#ifdef __VMS__
#pragma message disable nosimpint
#endif
#include <Xm/Xm.h>
#ifdef __VMS__
#pragma message enable nosimpint
#endif
// #include "wx/motif/private.h"

#if !USE_SHARED_LIBRARY
    IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
    IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
#endif

// ----------------------------------------------------------------------------
// list types
// ----------------------------------------------------------------------------

#include "wx/listimpl.cpp"

WX_DEFINE_LIST(wxRectList);

//-----------------------------------------------------------------------------
// wxRegionRefData implementation
//-----------------------------------------------------------------------------

class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
public:
    wxRegionRefData()
    {
        m_region = XCreateRegion();
        m_usingRects = FALSE;
        m_rects = (wxRect*) NULL;
        m_rectCount = 0;
    }

    wxRegionRefData(const wxRegionRefData& data)
    {
        m_region = XCreateRegion();
        m_rects = (wxRect*) NULL;
        m_rectCount = 0;
        XUnionRegion(m_region, data.m_region, m_region);

        SetRects(data.m_rectCount, data.m_rects);
    }

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

    wxRect* GetRects() { return m_rects; };
    void SetRects(const wxRectList& rectList);
    void SetRects(int count, const wxRect* rects);
    bool UsingRects() const { return m_usingRects; }
    int GetRectCount() const { return m_rectCount; }

    void DeleteRects();

    Region      m_region;
    wxRect*     m_rects;
    int         m_rectCount;
    bool        m_usingRects;  // TRUE if we're using the above.
};

void wxRegionRefData::SetRects(const wxRectList& rectList)
{
    DeleteRects();
    m_usingRects = (rectList.Number() > 0);
    if (m_usingRects)
    {
      m_rectCount = rectList.Number();
      m_rects = new wxRect[m_rectCount];
    }

    wxRectList::Node* node = rectList.GetFirst();
    int i = 0;
    while (node) {
        wxRect* rect = node->GetData();
        m_rects[i] = * rect;
        node = node->GetNext();
        i ++;
    }
}

void wxRegionRefData::SetRects(int count, const wxRect* rects)
{
    DeleteRects();
    m_usingRects = (count > 0);
    if (m_usingRects)
    {
      m_rectCount = count;
      m_rects = new wxRect[m_rectCount];
      int i;
      for (i = 0; i < m_rectCount; i++)
        m_rects[i] = rects[i];
    }
}

void wxRegionRefData::DeleteRects()
{
   if (m_rects)
   {
      delete[] m_rects;
      m_rects = (wxRect*) NULL;
   }
   m_rectCount = 0;
   m_usingRects = FALSE;
 }

#define M_REGION (((wxRegionRefData*)m_refData)->m_region)

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

/*!
 * Create an empty region.
 */
wxRegion::wxRegion()
{
}

wxRegion::wxRegion(long x, long y, long w, long h)
{
    m_refData = new wxRegionRefData;

    XRectangle rect;
    rect.x        = x;
    rect.y        = y;
    rect.width    = w;
    rect.height = h;
    XUnionRectWithRegion(&rect, M_REGION, M_REGION);
}

wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
{
    m_refData = new wxRegionRefData;

    XRectangle rect;
    rect.x        = topLeft.x;
    rect.y        = topLeft.y;
    rect.width    = bottomRight.x - topLeft.x;
    rect.height = bottomRight.y - topLeft.y;
    XUnionRectWithRegion(&rect, M_REGION, M_REGION);
}

wxRegion::wxRegion(const wxRect& rect)
{
    m_refData = new wxRegionRefData;

    XRectangle rect1;
    rect1.x        = rect.x;
    rect1.y        = rect.y;
    rect1.width    = rect.width;
    rect1.height = rect.height;
    XUnionRectWithRegion(&rect1, M_REGION, M_REGION);
}

/*!
 * Destroy the region.
 */
wxRegion::~wxRegion()
{
    // m_refData unrefed in ~wxObject
}

// Get the internal region handle
WXRegion wxRegion::GetXRegion() const
{
    wxASSERT( m_refData !=NULL );

    return (WXRegion) ((wxRegionRefData*)m_refData)->m_region;
}

//-----------------------------------------------------------------------------
//# Modify region
//-----------------------------------------------------------------------------

//! Clear current region
void wxRegion::Clear()
{
    UnRef();
}

//! Combine rectangle (x, y, w, h) with this.
bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
{
    // Don't change shared data
    if (!m_refData) {
        m_refData = new wxRegionRefData();
    } else if (m_refData->GetRefCount() > 1) {
        wxRegionRefData* ref = (wxRegionRefData*)m_refData;
        UnRef();
        m_refData = new wxRegionRefData(*ref);
    }
    // If ref count is 1, that means it's 'ours' anyway so no action.

    Region rectRegion = XCreateRegion();

    XRectangle rect;
    rect.x        = x;
    rect.y        = y;
    rect.width    = width;
    rect.height = height;
    XUnionRectWithRegion(&rect, rectRegion, rectRegion);

    switch (op)
    {
        case wxRGN_AND:
            XIntersectRegion(M_REGION, rectRegion, M_REGION);
            break ;
        case wxRGN_OR:
            XUnionRegion(M_REGION, rectRegion, M_REGION);
            break ;
        case wxRGN_XOR:
            // TODO
            break ;
        case wxRGN_DIFF:
            // TODO
            break ;
        case wxRGN_COPY: // Don't have to do this one
        default:
            // TODO
            break ;
    }

    return FALSE;
}

//! Union /e region with this.
bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
{
    if (region.Empty())
        return FALSE;

    // Don't change shared data
    if (!m_refData) {
        m_refData = new wxRegionRefData();
    } else    if (m_refData->GetRefCount() > 1) {
        wxRegionRefData* ref = (wxRegionRefData*)m_refData;
        UnRef();
        m_refData = new wxRegionRefData(*ref);
    }

    switch (op)
    {
        case wxRGN_AND:
            XIntersectRegion(M_REGION, ((wxRegionRefData*)region.m_refData)->m_region,
                 M_REGION);
            break ;
        case wxRGN_OR:
            XUnionRegion(M_REGION, ((wxRegionRefData*)region.m_refData)->m_region,
                 M_REGION);
            break ;
        case wxRGN_XOR:
            // TODO
            break ;
        case wxRGN_DIFF:
            // TODO
            break ;
        case wxRGN_COPY: // Don't have to do this one
        default:
            // TODO
            break ;
    }

  return FALSE;
}

bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
{
    return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op);
}

//-----------------------------------------------------------------------------
//# Information on region
//-----------------------------------------------------------------------------

// Outer bounds of region
void wxRegion::GetBox(long& x, long& y, long&w, long &h) const
{
    if (m_refData) {
        XRectangle rect;
        XClipBox(M_REGION, &rect);
        x = rect.x;
        y = rect.y;
        w = rect.width;
        h = rect.height;
    } else {
        x = y = w = h = 0;
    }
}

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

// Is region empty?
bool wxRegion::Empty() const
{
    return m_refData ? XEmptyRegion(M_REGION) : TRUE;
}

//-----------------------------------------------------------------------------
//# Tests
//-----------------------------------------------------------------------------

// Does the region contain the point (x,y)?
wxRegionContain wxRegion::Contains(long WXUNUSED(x), long WXUNUSED(y)) const
{
    if (!m_refData)
        return wxOutRegion;

    // TODO. Return wxInRegion if within region.
    if (0)
        return wxInRegion;
    return wxOutRegion;
}

// Does the region contain the point pt?
wxRegionContain wxRegion::Contains(const wxPoint& pt) const
{
    if (!m_refData)
        return wxOutRegion;

    return XPointInRegion(M_REGION, pt.x, pt.y) ? wxInRegion : wxOutRegion;
}

// Does the region contain the rectangle (x, y, w, h)?
wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const
{
    if (!m_refData)
        return wxOutRegion;

    switch (XRectInRegion(M_REGION, x, y, w, h)) {
        case RectangleIn:    return wxInRegion;
        case RectanglePart: return wxPartRegion;
    }
    return wxOutRegion;
}

// Does the region contain the rectangle rect
wxRegionContain wxRegion::Contains(const wxRect& rect) const
{
    if (!m_refData)
        return wxOutRegion;

    long x, y, w, h;
    x = rect.x;
    y = rect.y;
    w = rect.GetWidth();
    h = rect.GetHeight();
    return Contains(x, y, w, h);
}

bool wxRegion::UsingRects() const
{
    return ((wxRegionRefData*)m_refData)->UsingRects();
}

/*
wxRectList& wxRegion::GetRectList()
{
    return ((wxRegionRefData*)m_refData)->GetRectList();
}
*/

wxRect* wxRegion::GetRects()
{
    return ((wxRegionRefData*)m_refData)->GetRects();
}

int wxRegion::GetRectCount() const
{
    return ((wxRegionRefData*)m_refData)->GetRectCount();
}

void wxRegion::SetRects(const wxRectList& rectList)
{
    ((wxRegionRefData*)m_refData)->SetRects(rectList);
}

void wxRegion::SetRects(int count, const wxRect* rects)
{
    ((wxRegionRefData*)m_refData)->SetRects(count, rects);
}

///////////////////////////////////////////////////////////////////////////////
//                                                                             //
//                               wxRegionIterator                                 //
//                                                                             //
///////////////////////////////////////////////////////////////////////////////

/*!
 * Initialize empty iterator
 */
wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL)
{
}

wxRegionIterator::~wxRegionIterator()
{
    if (m_rects)
        delete[] m_rects;
}

/*!
 * Initialize iterator for region
 */
wxRegionIterator::wxRegionIterator(const wxRegion& region)
{
    m_rects = NULL;

    Reset(region);
}

/*!
 * Reset iterator for a new /e region.
 */
void wxRegionIterator::Reset(const wxRegion& region)
{
    m_current = 0;
    m_region = region;

    if (m_rects)
        delete[] m_rects;

    m_rects = NULL;

    if (m_region.Empty())
        m_numRects = 0;
    else
    {
        // Create m_rects and fill with rectangles for this region.
        // Since we can't find the rectangles in a region, we cheat
        // by retrieving the rectangles explicitly set in wxPaintDC::wxPaintDC
        // (dcclient.cpp).
        if (m_region.UsingRects())
        {
            wxRect* rects = m_region.GetRects();
            int count = m_region.GetRectCount();
            m_numRects = count;
            m_rects = new wxRect[m_numRects];

            int i = 0;
            for (i = 0; i < m_numRects; i++)
               m_rects[i] = rects[i];

	    /*
            int i = 0;
            wxRectList::Node* node = rectList.GetFirst();
            while (node) {
                wxRect* rect = node->GetData();
                m_rects[i] = * rect;
                node = node->GetNext();
                i ++;
            }
	    */
        }
        else
        {
            // For now, fudge by getting the whole bounding box.
            m_rects = new wxRect[1];
            m_numRects = 1;
            m_rects[0] = m_region.GetBox();
        }
    }
}

/*!
 * Increment iterator. The rectangle returned is the one after the
 * incrementation.
 */
void wxRegionIterator::operator ++ ()
{
    if (m_current < m_numRects)
        ++m_current;
}

/*!
 * Increment iterator. The rectangle returned is the one before the
 * incrementation.
 */
void wxRegionIterator::operator ++ (int)
{
    if (m_current < m_numRects)
        ++m_current;
}

long wxRegionIterator::GetX() const
{
    if (m_current < m_numRects)
        return m_rects[m_current].x;
    return 0;
}

long wxRegionIterator::GetY() const
{
    if (m_current < m_numRects)
        return m_rects[m_current].y;
    return 0;
}

long wxRegionIterator::GetW() const
{
    if (m_current < m_numRects)
        return m_rects[m_current].width ;
    return 0;
}

long wxRegionIterator::GetH() const
{
    if (m_current < m_numRects)
        return m_rects[m_current].height;
    return 0;
}
Commit	Line	Data
4bb6408c JS	1	/////////////////////////////////////////////////////////////////////////////
	2	// File: region.cpp
	3	// Purpose: Region class
f97c9854	4	// Author: Markus Holzem/Julian Smart
4bb6408c	5	// Created: Fri Oct 24 10:46:34 MET 1997
dfe1eee3	6	// RCS-ID: $Id$
f97c9854	7	// Copyright: (c) 1997 Markus Holzem/Julian Smart
4bb6408c JS	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
338dd992 JJ	18	#ifdef __VMS__
	19	#pragma message disable nosimpint
	20	#endif
f97c9854	21	#include <Xm/Xm.h>
338dd992 JJ	22	#ifdef __VMS__
	23	#pragma message enable nosimpint
	24	#endif
f97c9854 JS	25	// #include "wx/motif/private.h"
f97c9854 JS	26
4bb6408c	27	#if !USE_SHARED_LIBRARY
dfe1eee3 VZ	28	IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
dfe1eee3 VZ	29	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
4bb6408c JS	30	#endif
4bb6408c JS	31
25f47127 JS	32	// ----------------------------------------------------------------------------
	33	// list types
	34	// ----------------------------------------------------------------------------
	35
	36	#include "wx/listimpl.cpp"
	37
	38	WX_DEFINE_LIST(wxRectList);
	39
4bb6408c JS	40	//-----------------------------------------------------------------------------
	41	// wxRegionRefData implementation
	42	//-----------------------------------------------------------------------------
	43
	44	class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
	45	public:
dfe1eee3 VZ	46	wxRegionRefData()
	47	{
	48	m_region = XCreateRegion();
25f47127 JS	49	m_usingRects = FALSE;
	50	m_rects = (wxRect*) NULL;
	51	m_rectCount = 0;
dfe1eee3 VZ	52	}
	53
	54	wxRegionRefData(const wxRegionRefData& data)
	55	{
	56	m_region = XCreateRegion();
25f47127 JS	57	m_rects = (wxRect*) NULL;
25f47127 JS	58	m_rectCount = 0;
dfe1eee3	59	XUnionRegion(m_region, data.m_region, m_region);
25f47127 JS	60
25f47127 JS	61	SetRects(data.m_rectCount, data.m_rects);
dfe1eee3 VZ	62	}
	63
	64	~wxRegionRefData()
	65	{
	66	XDestroyRegion(m_region);
25f47127	67	DeleteRects();
dfe1eee3	68	}
25f47127 JS	69
	70	wxRect* GetRects() { return m_rects; };
	71	void SetRects(const wxRectList& rectList);
	72	void SetRects(int count, const wxRect* rects);
	73	bool UsingRects() const { return m_usingRects; }
	74	int GetRectCount() const { return m_rectCount; }
	75
	76	void DeleteRects();
	77
	78	Region m_region;
	79	wxRect* m_rects;
	80	int m_rectCount;
	81	bool m_usingRects; // TRUE if we're using the above.
4bb6408c JS	82	};
4bb6408c JS	83
25f47127 JS	84	void wxRegionRefData::SetRects(const wxRectList& rectList)
	85	{
	86	DeleteRects();
	87	m_usingRects = (rectList.Number() > 0);
	88	if (m_usingRects)
	89	{
	90	m_rectCount = rectList.Number();
	91	m_rects = new wxRect[m_rectCount];
	92	}
	93
	94	wxRectList::Node* node = rectList.GetFirst();
	95	int i = 0;
	96	while (node) {
	97	wxRect* rect = node->GetData();
	98	m_rects[i] = * rect;
	99	node = node->GetNext();
	100	i ++;
	101	}
	102	}
	103
	104	void wxRegionRefData::SetRects(int count, const wxRect* rects)
	105	{
	106	DeleteRects();
	107	m_usingRects = (count > 0);
	108	if (m_usingRects)
	109	{
	110	m_rectCount = count;
	111	m_rects = new wxRect[m_rectCount];
	112	int i;
	113	for (i = 0; i < m_rectCount; i++)
	114	m_rects[i] = rects[i];
	115	}
	116	}
	117
	118	void wxRegionRefData::DeleteRects()
	119	{
	120	if (m_rects)
	121	{
	122	delete[] m_rects;
	123	m_rects = (wxRect*) NULL;
	124	}
	125	m_rectCount = 0;
	126	m_usingRects = FALSE;
	127	}
	128
f97c9854	129	#define M_REGION (((wxRegionRefData*)m_refData)->m_region)
4bb6408c JS	130
	131	//-----------------------------------------------------------------------------
	132	// wxRegion
	133	//-----------------------------------------------------------------------------
	134
	135	/*!
	136	* Create an empty region.
	137	*/
	138	wxRegion::wxRegion()
	139	{
4bb6408c JS	140	}
	141
	142	wxRegion::wxRegion(long x, long y, long w, long h)
	143	{
	144	m_refData = new wxRegionRefData;
f97c9854	145
dfe1eee3 VZ	146	XRectangle rect;
	147	rect.x = x;
	148	rect.y = y;
	149	rect.width = w;
	150	rect.height = h;
	151	XUnionRectWithRegion(&rect, M_REGION, M_REGION);
4bb6408c JS	152	}
	153
	154	wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
	155	{
	156	m_refData = new wxRegionRefData;
f97c9854	157
dfe1eee3 VZ	158	XRectangle rect;
	159	rect.x = topLeft.x;
	160	rect.y = topLeft.y;
	161	rect.width = bottomRight.x - topLeft.x;
	162	rect.height = bottomRight.y - topLeft.y;
	163	XUnionRectWithRegion(&rect, M_REGION, M_REGION);
4bb6408c JS	164	}
	165
	166	wxRegion::wxRegion(const wxRect& rect)
	167	{
	168	m_refData = new wxRegionRefData;
f97c9854 JS	169
f97c9854 JS	170	XRectangle rect1;
dfe1eee3 VZ	171	rect1.x = rect.x;
	172	rect1.y = rect.y;
	173	rect1.width = rect.width;
f97c9854 JS	174	rect1.height = rect.height;
f97c9854 JS	175	XUnionRectWithRegion(&rect1, M_REGION, M_REGION);
4bb6408c JS	176	}
	177
	178	/*!
	179	* Destroy the region.
	180	*/
	181	wxRegion::~wxRegion()
	182	{
	183	// m_refData unrefed in ~wxObject
	184	}
	185
55acd85e	186	// Get the internal region handle
45d49251	187	WXRegion wxRegion::GetXRegion() const
55acd85e JS	188	{
	189	wxASSERT( m_refData !=NULL );
	190
	191	return (WXRegion) ((wxRegionRefData*)m_refData)->m_region;
	192	}
	193
4bb6408c JS	194	//-----------------------------------------------------------------------------
	195	//# Modify region
	196	//-----------------------------------------------------------------------------
	197
	198	//! Clear current region
	199	void wxRegion::Clear()
	200	{
	201	UnRef();
	202	}
	203
	204	//! Combine rectangle (x, y, w, h) with this.
	205	bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
	206	{
dfe1eee3 VZ	207	// Don't change shared data
	208	if (!m_refData) {
	209	m_refData = new wxRegionRefData();
	210	} else if (m_refData->GetRefCount() > 1) {
	211	wxRegionRefData* ref = (wxRegionRefData*)m_refData;
	212	UnRef();
	213	m_refData = new wxRegionRefData(*ref);
	214	}
4bb6408c JS	215	// If ref count is 1, that means it's 'ours' anyway so no action.
4bb6408c JS	216
f97c9854 JS	217	Region rectRegion = XCreateRegion();
f97c9854 JS	218
dfe1eee3 VZ	219	XRectangle rect;
	220	rect.x = x;
	221	rect.y = y;
	222	rect.width = width;
	223	rect.height = height;
	224	XUnionRectWithRegion(&rect, rectRegion, rectRegion);
4bb6408c	225
4bb6408c JS	226	switch (op)
	227	{
	228	case wxRGN_AND:
dfe1eee3	229	XIntersectRegion(M_REGION, rectRegion, M_REGION);
4bb6408c JS	230	break ;
4bb6408c JS	231	case wxRGN_OR:
dfe1eee3	232	XUnionRegion(M_REGION, rectRegion, M_REGION);
4bb6408c JS	233	break ;
	234	case wxRGN_XOR:
	235	// TODO
	236	break ;
	237	case wxRGN_DIFF:
	238	// TODO
	239	break ;
f97c9854	240	case wxRGN_COPY: // Don't have to do this one
4bb6408c JS	241	default:
	242	// TODO
	243	break ;
	244	}
	245
4bb6408c JS	246	return FALSE;
	247	}
	248
	249	//! Union /e region with this.
	250	bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
	251	{
dfe1eee3 VZ	252	if (region.Empty())
	253	return FALSE;
	254
	255	// Don't change shared data
	256	if (!m_refData) {
	257	m_refData = new wxRegionRefData();
	258	} else if (m_refData->GetRefCount() > 1) {
	259	wxRegionRefData* ref = (wxRegionRefData*)m_refData;
	260	UnRef();
	261	m_refData = new wxRegionRefData(*ref);
	262	}
	263
4bb6408c JS	264	switch (op)
	265	{
	266	case wxRGN_AND:
dfe1eee3 VZ	267	XIntersectRegion(M_REGION, ((wxRegionRefData*)region.m_refData)->m_region,
dfe1eee3 VZ	268	M_REGION);
4bb6408c JS	269	break ;
4bb6408c JS	270	case wxRGN_OR:
dfe1eee3 VZ	271	XUnionRegion(M_REGION, ((wxRegionRefData*)region.m_refData)->m_region,
dfe1eee3 VZ	272	M_REGION);
4bb6408c JS	273	break ;
	274	case wxRGN_XOR:
	275	// TODO
	276	break ;
	277	case wxRGN_DIFF:
	278	// TODO
	279	break ;
f97c9854	280	case wxRGN_COPY: // Don't have to do this one
4bb6408c JS	281	default:
	282	// TODO
	283	break ;
	284	}
	285
a724d789	286	return FALSE;
4bb6408c JS	287	}
	288
	289	bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
	290	{
	291	return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op);
	292	}
	293
	294	//-----------------------------------------------------------------------------
	295	//# Information on region
	296	//-----------------------------------------------------------------------------
	297
	298	// Outer bounds of region
	299	void wxRegion::GetBox(long& x, long& y, long&w, long &h) const
	300	{
dfe1eee3 VZ	301	if (m_refData) {
	302	XRectangle rect;
	303	XClipBox(M_REGION, &rect);
	304	x = rect.x;
	305	y = rect.y;
	306	w = rect.width;
	307	h = rect.height;
	308	} else {
	309	x = y = w = h = 0;
	310	}
4bb6408c JS	311	}
	312
	313	wxRect wxRegion::GetBox() const
	314	{
	315	long x, y, w, h;
	316	GetBox(x, y, w, h);
	317	return wxRect(x, y, w, h);
	318	}
	319
	320	// Is region empty?
	321	bool wxRegion::Empty() const
	322	{
dfe1eee3	323	return m_refData ? XEmptyRegion(M_REGION) : TRUE;
4bb6408c JS	324	}
	325
	326	//-----------------------------------------------------------------------------
	327	//# Tests
	328	//-----------------------------------------------------------------------------
	329
	330	// Does the region contain the point (x,y)?
af111fc3	331	wxRegionContain wxRegion::Contains(long WXUNUSED(x), long WXUNUSED(y)) const
4bb6408c	332	{
dfe1eee3 VZ	333	if (!m_refData)
dfe1eee3 VZ	334	return wxOutRegion;
4bb6408c JS	335
	336	// TODO. Return wxInRegion if within region.
	337	if (0)
	338	return wxInRegion;
	339	return wxOutRegion;
	340	}
	341
	342	// Does the region contain the point pt?
	343	wxRegionContain wxRegion::Contains(const wxPoint& pt) const
	344	{
dfe1eee3 VZ	345	if (!m_refData)
dfe1eee3 VZ	346	return wxOutRegion;
4bb6408c	347
dfe1eee3	348	return XPointInRegion(M_REGION, pt.x, pt.y) ? wxInRegion : wxOutRegion;
4bb6408c JS	349	}
	350
	351	// Does the region contain the rectangle (x, y, w, h)?
	352	wxRegionContain wxRegion::Contains(long x, long y, long w, long h) const
	353	{
dfe1eee3 VZ	354	if (!m_refData)
	355	return wxOutRegion;
	356
	357	switch (XRectInRegion(M_REGION, x, y, w, h)) {
	358	case RectangleIn: return wxInRegion;
	359	case RectanglePart: return wxPartRegion;
	360	}
	361	return wxOutRegion;
4bb6408c JS	362	}
	363
	364	// Does the region contain the rectangle rect
	365	wxRegionContain wxRegion::Contains(const wxRect& rect) const
	366	{
dfe1eee3 VZ	367	if (!m_refData)
dfe1eee3 VZ	368	return wxOutRegion;
4bb6408c JS	369
	370	long x, y, w, h;
	371	x = rect.x;
	372	y = rect.y;
	373	w = rect.GetWidth();
	374	h = rect.GetHeight();
	375	return Contains(x, y, w, h);
	376	}
	377
25f47127 JS	378	bool wxRegion::UsingRects() const
	379	{
	380	return ((wxRegionRefData*)m_refData)->UsingRects();
	381	}
	382
	383	/*
	384	wxRectList& wxRegion::GetRectList()
	385	{
	386	return ((wxRegionRefData*)m_refData)->GetRectList();
	387	}
	388	*/
	389
	390	wxRect* wxRegion::GetRects()
	391	{
	392	return ((wxRegionRefData*)m_refData)->GetRects();
	393	}
	394
	395	int wxRegion::GetRectCount() const
	396	{
	397	return ((wxRegionRefData*)m_refData)->GetRectCount();
	398	}
	399
	400	void wxRegion::SetRects(const wxRectList& rectList)
	401	{
	402	((wxRegionRefData*)m_refData)->SetRects(rectList);
	403	}
	404
	405	void wxRegion::SetRects(int count, const wxRect* rects)
	406	{
	407	((wxRegionRefData*)m_refData)->SetRects(count, rects);
	408	}
	409
4bb6408c	410	///////////////////////////////////////////////////////////////////////////////
dfe1eee3 VZ	411	// //
	412	// wxRegionIterator //
	413	// //
4bb6408c JS	414	///////////////////////////////////////////////////////////////////////////////
	415
	416	/*!
	417	* Initialize empty iterator
	418	*/
	419	wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL)
	420	{
	421	}
	422
	423	wxRegionIterator::~wxRegionIterator()
	424	{
	425	if (m_rects)
	426	delete[] m_rects;
	427	}
	428
	429	/*!
	430	* Initialize iterator for region
	431	*/
	432	wxRegionIterator::wxRegionIterator(const wxRegion& region)
	433	{
	434	m_rects = NULL;
	435
dfe1eee3	436	Reset(region);
4bb6408c JS	437	}
	438
	439	/*!
	440	* Reset iterator for a new /e region.
	441	*/
	442	void wxRegionIterator::Reset(const wxRegion& region)
	443	{
dfe1eee3 VZ	444	m_current = 0;
dfe1eee3 VZ	445	m_region = region;
4bb6408c JS	446
	447	if (m_rects)
	448	delete[] m_rects;
	449
	450	m_rects = NULL;
	451
dfe1eee3 VZ	452	if (m_region.Empty())
	453	m_numRects = 0;
	454	else
4bb6408c	455	{
25f47127 JS	456	// Create m_rects and fill with rectangles for this region.
	457	// Since we can't find the rectangles in a region, we cheat
	458	// by retrieving the rectangles explicitly set in wxPaintDC::wxPaintDC
	459	// (dcclient.cpp).
	460	if (m_region.UsingRects())
	461	{
	462	wxRect* rects = m_region.GetRects();
	463	int count = m_region.GetRectCount();
	464	m_numRects = count;
	465	m_rects = new wxRect[m_numRects];
	466
	467	int i = 0;
	468	for (i = 0; i < m_numRects; i++)
	469	m_rects[i] = rects[i];
	470
	471	/*
	472	int i = 0;
	473	wxRectList::Node* node = rectList.GetFirst();
	474	while (node) {
	475	wxRect* rect = node->GetData();
	476	m_rects[i] = * rect;
	477	node = node->GetNext();
	478	i ++;
	479	}
	480	*/
	481	}
	482	else
	483	{
	484	// For now, fudge by getting the whole bounding box.
	485	m_rects = new wxRect[1];
	486	m_numRects = 1;
	487	m_rects[0] = m_region.GetBox();
	488	}
4bb6408c JS	489	}
	490	}
	491
	492	/*!
	493	* Increment iterator. The rectangle returned is the one after the
	494	* incrementation.
	495	*/
	496	void wxRegionIterator::operator ++ ()
	497	{
dfe1eee3 VZ	498	if (m_current < m_numRects)
dfe1eee3 VZ	499	++m_current;
4bb6408c JS	500	}
	501
	502	/*!
	503	* Increment iterator. The rectangle returned is the one before the
	504	* incrementation.
	505	*/
	506	void wxRegionIterator::operator ++ (int)
	507	{
dfe1eee3 VZ	508	if (m_current < m_numRects)
dfe1eee3 VZ	509	++m_current;
4bb6408c JS	510	}
	511
	512	long wxRegionIterator::GetX() const
	513	{
dfe1eee3 VZ	514	if (m_current < m_numRects)
	515	return m_rects[m_current].x;
	516	return 0;
4bb6408c JS	517	}
	518
	519	long wxRegionIterator::GetY() const
	520	{
dfe1eee3 VZ	521	if (m_current < m_numRects)
	522	return m_rects[m_current].y;
	523	return 0;
4bb6408c JS	524	}
	525
	526	long wxRegionIterator::GetW() const
	527	{
dfe1eee3 VZ	528	if (m_current < m_numRects)
	529	return m_rects[m_current].width ;
	530	return 0;
4bb6408c JS	531	}
	532
	533	long wxRegionIterator::GetH() const
	534	{
dfe1eee3 VZ	535	if (m_current < m_numRects)
	536	return m_rects[m_current].height;
	537	return 0;
4bb6408c JS	538	}
4bb6408c JS	539