[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"

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

// ----------------------------------------------------------------------------
// 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(wxCoord x, wxCoord y, wxCoord w, wxCoord 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(wxCoord x, wxCoord y, wxCoord width, wxCoord 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(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &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
{
    wxCoord 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(wxCoord WXUNUSED(x), wxCoord 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(wxCoord x, wxCoord y, wxCoord w, wxCoord 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;

    wxCoord 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];

            for (size_t 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;
}

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

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

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

wxCoord 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
dfe1eee3 VZ	27	IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
dfe1eee3 VZ	28	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
4bb6408c	29
25f47127 JS	30	// ----------------------------------------------------------------------------
	31	// list types
	32	// ----------------------------------------------------------------------------
	33
	34	#include "wx/listimpl.cpp"
	35
	36	WX_DEFINE_LIST(wxRectList);
	37
4bb6408c JS	38	//-----------------------------------------------------------------------------
	39	// wxRegionRefData implementation
	40	//-----------------------------------------------------------------------------
	41
	42	class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
	43	public:
dfe1eee3 VZ	44	wxRegionRefData()
	45	{
	46	m_region = XCreateRegion();
25f47127 JS	47	m_usingRects = FALSE;
	48	m_rects = (wxRect*) NULL;
	49	m_rectCount = 0;
dfe1eee3 VZ	50	}
	51
	52	wxRegionRefData(const wxRegionRefData& data)
	53	{
	54	m_region = XCreateRegion();
25f47127 JS	55	m_rects = (wxRect*) NULL;
25f47127 JS	56	m_rectCount = 0;
dfe1eee3	57	XUnionRegion(m_region, data.m_region, m_region);
25f47127 JS	58
25f47127 JS	59	SetRects(data.m_rectCount, data.m_rects);
dfe1eee3 VZ	60	}
	61
	62	~wxRegionRefData()
	63	{
	64	XDestroyRegion(m_region);
25f47127	65	DeleteRects();
dfe1eee3	66	}
25f47127 JS	67
	68	wxRect* GetRects() { return m_rects; };
	69	void SetRects(const wxRectList& rectList);
	70	void SetRects(int count, const wxRect* rects);
	71	bool UsingRects() const { return m_usingRects; }
	72	int GetRectCount() const { return m_rectCount; }
	73
	74	void DeleteRects();
	75
	76	Region m_region;
	77	wxRect* m_rects;
	78	int m_rectCount;
	79	bool m_usingRects; // TRUE if we're using the above.
4bb6408c JS	80	};
4bb6408c JS	81
25f47127 JS	82	void wxRegionRefData::SetRects(const wxRectList& rectList)
	83	{
	84	DeleteRects();
	85	m_usingRects = (rectList.Number() > 0);
	86	if (m_usingRects)
	87	{
	88	m_rectCount = rectList.Number();
	89	m_rects = new wxRect[m_rectCount];
	90	}
	91
	92	wxRectList::Node* node = rectList.GetFirst();
	93	int i = 0;
	94	while (node) {
	95	wxRect* rect = node->GetData();
	96	m_rects[i] = * rect;
	97	node = node->GetNext();
	98	i ++;
	99	}
	100	}
	101
	102	void wxRegionRefData::SetRects(int count, const wxRect* rects)
	103	{
	104	DeleteRects();
	105	m_usingRects = (count > 0);
	106	if (m_usingRects)
	107	{
	108	m_rectCount = count;
	109	m_rects = new wxRect[m_rectCount];
	110	int i;
	111	for (i = 0; i < m_rectCount; i++)
	112	m_rects[i] = rects[i];
	113	}
	114	}
	115
	116	void wxRegionRefData::DeleteRects()
	117	{
	118	if (m_rects)
	119	{
	120	delete[] m_rects;
	121	m_rects = (wxRect*) NULL;
	122	}
	123	m_rectCount = 0;
	124	m_usingRects = FALSE;
	125	}
	126
f97c9854	127	#define M_REGION (((wxRegionRefData*)m_refData)->m_region)
4bb6408c JS	128
	129	//-----------------------------------------------------------------------------
	130	// wxRegion
	131	//-----------------------------------------------------------------------------
	132
	133	/*!
	134	* Create an empty region.
	135	*/
	136	wxRegion::wxRegion()
	137	{
4bb6408c JS	138	}
4bb6408c JS	139
3ccf6cd7	140	wxRegion::wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
4bb6408c JS	141	{
4bb6408c JS	142	m_refData = new wxRegionRefData;
f97c9854	143
dfe1eee3 VZ	144	XRectangle rect;
	145	rect.x = x;
	146	rect.y = y;
	147	rect.width = w;
	148	rect.height = h;
	149	XUnionRectWithRegion(&rect, M_REGION, M_REGION);
4bb6408c JS	150	}
	151
	152	wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
	153	{
	154	m_refData = new wxRegionRefData;
f97c9854	155
dfe1eee3 VZ	156	XRectangle rect;
	157	rect.x = topLeft.x;
	158	rect.y = topLeft.y;
	159	rect.width = bottomRight.x - topLeft.x;
	160	rect.height = bottomRight.y - topLeft.y;
	161	XUnionRectWithRegion(&rect, M_REGION, M_REGION);
4bb6408c JS	162	}
	163
	164	wxRegion::wxRegion(const wxRect& rect)
	165	{
	166	m_refData = new wxRegionRefData;
f97c9854 JS	167
f97c9854 JS	168	XRectangle rect1;
dfe1eee3 VZ	169	rect1.x = rect.x;
	170	rect1.y = rect.y;
	171	rect1.width = rect.width;
f97c9854 JS	172	rect1.height = rect.height;
f97c9854 JS	173	XUnionRectWithRegion(&rect1, M_REGION, M_REGION);
4bb6408c JS	174	}
	175
	176	/*!
	177	* Destroy the region.
	178	*/
	179	wxRegion::~wxRegion()
	180	{
	181	// m_refData unrefed in ~wxObject
	182	}
	183
55acd85e	184	// Get the internal region handle
45d49251	185	WXRegion wxRegion::GetXRegion() const
55acd85e JS	186	{
	187	wxASSERT( m_refData !=NULL );
	188
	189	return (WXRegion) ((wxRegionRefData*)m_refData)->m_region;
	190	}
	191
4bb6408c JS	192	//-----------------------------------------------------------------------------
	193	//# Modify region
	194	//-----------------------------------------------------------------------------
	195
	196	//! Clear current region
	197	void wxRegion::Clear()
	198	{
	199	UnRef();
	200	}
	201
	202	//! Combine rectangle (x, y, w, h) with this.
3ccf6cd7	203	bool wxRegion::Combine(wxCoord x, wxCoord y, wxCoord width, wxCoord height, wxRegionOp op)
4bb6408c	204	{
dfe1eee3 VZ	205	// Don't change shared data
	206	if (!m_refData) {
	207	m_refData = new wxRegionRefData();
	208	} else if (m_refData->GetRefCount() > 1) {
	209	wxRegionRefData* ref = (wxRegionRefData*)m_refData;
	210	UnRef();
	211	m_refData = new wxRegionRefData(*ref);
	212	}
4bb6408c JS	213	// If ref count is 1, that means it's 'ours' anyway so no action.
4bb6408c JS	214
f97c9854 JS	215	Region rectRegion = XCreateRegion();
f97c9854 JS	216
dfe1eee3 VZ	217	XRectangle rect;
	218	rect.x = x;
	219	rect.y = y;
	220	rect.width = width;
	221	rect.height = height;
	222	XUnionRectWithRegion(&rect, rectRegion, rectRegion);
4bb6408c	223
4bb6408c JS	224	switch (op)
	225	{
	226	case wxRGN_AND:
dfe1eee3	227	XIntersectRegion(M_REGION, rectRegion, M_REGION);
4bb6408c JS	228	break ;
4bb6408c JS	229	case wxRGN_OR:
dfe1eee3	230	XUnionRegion(M_REGION, rectRegion, M_REGION);
4bb6408c JS	231	break ;
	232	case wxRGN_XOR:
	233	// TODO
	234	break ;
	235	case wxRGN_DIFF:
	236	// TODO
	237	break ;
f97c9854	238	case wxRGN_COPY: // Don't have to do this one
4bb6408c JS	239	default:
	240	// TODO
	241	break ;
	242	}
	243
4bb6408c JS	244	return FALSE;
	245	}
	246
	247	//! Union /e region with this.
	248	bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
	249	{
dfe1eee3 VZ	250	if (region.Empty())
	251	return FALSE;
	252
	253	// Don't change shared data
	254	if (!m_refData) {
	255	m_refData = new wxRegionRefData();
	256	} else if (m_refData->GetRefCount() > 1) {
	257	wxRegionRefData* ref = (wxRegionRefData*)m_refData;
	258	UnRef();
	259	m_refData = new wxRegionRefData(*ref);
	260	}
	261
4bb6408c JS	262	switch (op)
	263	{
	264	case wxRGN_AND:
dfe1eee3 VZ	265	XIntersectRegion(M_REGION, ((wxRegionRefData*)region.m_refData)->m_region,
dfe1eee3 VZ	266	M_REGION);
4bb6408c JS	267	break ;
4bb6408c JS	268	case wxRGN_OR:
dfe1eee3 VZ	269	XUnionRegion(M_REGION, ((wxRegionRefData*)region.m_refData)->m_region,
dfe1eee3 VZ	270	M_REGION);
4bb6408c JS	271	break ;
	272	case wxRGN_XOR:
	273	// TODO
	274	break ;
	275	case wxRGN_DIFF:
	276	// TODO
	277	break ;
f97c9854	278	case wxRGN_COPY: // Don't have to do this one
4bb6408c JS	279	default:
	280	// TODO
	281	break ;
	282	}
	283
a724d789	284	return FALSE;
4bb6408c JS	285	}
	286
	287	bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
	288	{
	289	return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op);
	290	}
	291
	292	//-----------------------------------------------------------------------------
	293	//# Information on region
	294	//-----------------------------------------------------------------------------
	295
	296	// Outer bounds of region
3ccf6cd7	297	void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const
4bb6408c	298	{
dfe1eee3 VZ	299	if (m_refData) {
	300	XRectangle rect;
	301	XClipBox(M_REGION, &rect);
	302	x = rect.x;
	303	y = rect.y;
	304	w = rect.width;
	305	h = rect.height;
	306	} else {
	307	x = y = w = h = 0;
	308	}
4bb6408c JS	309	}
	310
	311	wxRect wxRegion::GetBox() const
	312	{
3ccf6cd7	313	wxCoord x, y, w, h;
4bb6408c JS	314	GetBox(x, y, w, h);
	315	return wxRect(x, y, w, h);
	316	}
	317
	318	// Is region empty?
	319	bool wxRegion::Empty() const
	320	{
dfe1eee3	321	return m_refData ? XEmptyRegion(M_REGION) : TRUE;
4bb6408c JS	322	}
	323
	324	//-----------------------------------------------------------------------------
	325	//# Tests
	326	//-----------------------------------------------------------------------------
	327
	328	// Does the region contain the point (x,y)?
3ccf6cd7	329	wxRegionContain wxRegion::Contains(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y)) const
4bb6408c	330	{
dfe1eee3 VZ	331	if (!m_refData)
dfe1eee3 VZ	332	return wxOutRegion;
4bb6408c JS	333
	334	// TODO. Return wxInRegion if within region.
	335	if (0)
	336	return wxInRegion;
	337	return wxOutRegion;
	338	}
	339
	340	// Does the region contain the point pt?
	341	wxRegionContain wxRegion::Contains(const wxPoint& pt) const
	342	{
dfe1eee3 VZ	343	if (!m_refData)
dfe1eee3 VZ	344	return wxOutRegion;
4bb6408c	345
dfe1eee3	346	return XPointInRegion(M_REGION, pt.x, pt.y) ? wxInRegion : wxOutRegion;
4bb6408c JS	347	}
	348
	349	// Does the region contain the rectangle (x, y, w, h)?
3ccf6cd7	350	wxRegionContain wxRegion::Contains(wxCoord x, wxCoord y, wxCoord w, wxCoord h) const
4bb6408c	351	{
dfe1eee3 VZ	352	if (!m_refData)
	353	return wxOutRegion;
	354
	355	switch (XRectInRegion(M_REGION, x, y, w, h)) {
	356	case RectangleIn: return wxInRegion;
	357	case RectanglePart: return wxPartRegion;
	358	}
	359	return wxOutRegion;
4bb6408c JS	360	}
	361
	362	// Does the region contain the rectangle rect
	363	wxRegionContain wxRegion::Contains(const wxRect& rect) const
	364	{
dfe1eee3 VZ	365	if (!m_refData)
dfe1eee3 VZ	366	return wxOutRegion;
4bb6408c	367
3ccf6cd7	368	wxCoord x, y, w, h;
4bb6408c JS	369	x = rect.x;
	370	y = rect.y;
	371	w = rect.GetWidth();
	372	h = rect.GetHeight();
	373	return Contains(x, y, w, h);
	374	}
	375
25f47127 JS	376	bool wxRegion::UsingRects() const
	377	{
	378	return ((wxRegionRefData*)m_refData)->UsingRects();
	379	}
	380
	381	/*
	382	wxRectList& wxRegion::GetRectList()
	383	{
	384	return ((wxRegionRefData*)m_refData)->GetRectList();
	385	}
	386	*/
	387
	388	wxRect* wxRegion::GetRects()
	389	{
	390	return ((wxRegionRefData*)m_refData)->GetRects();
	391	}
	392
	393	int wxRegion::GetRectCount() const
	394	{
	395	return ((wxRegionRefData*)m_refData)->GetRectCount();
	396	}
	397
	398	void wxRegion::SetRects(const wxRectList& rectList)
	399	{
	400	((wxRegionRefData*)m_refData)->SetRects(rectList);
	401	}
	402
	403	void wxRegion::SetRects(int count, const wxRect* rects)
	404	{
	405	((wxRegionRefData*)m_refData)->SetRects(count, rects);
	406	}
	407
4bb6408c	408	///////////////////////////////////////////////////////////////////////////////
dfe1eee3 VZ	409	// //
	410	// wxRegionIterator //
	411	// //
4bb6408c JS	412	///////////////////////////////////////////////////////////////////////////////
	413
	414	/*!
	415	* Initialize empty iterator
	416	*/
	417	wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL)
	418	{
	419	}
	420
	421	wxRegionIterator::~wxRegionIterator()
	422	{
	423	if (m_rects)
	424	delete[] m_rects;
	425	}
	426
	427	/*!
	428	* Initialize iterator for region
	429	*/
	430	wxRegionIterator::wxRegionIterator(const wxRegion& region)
	431	{
	432	m_rects = NULL;
	433
dfe1eee3	434	Reset(region);
4bb6408c JS	435	}
	436
	437	/*!
	438	* Reset iterator for a new /e region.
	439	*/
	440	void wxRegionIterator::Reset(const wxRegion& region)
	441	{
dfe1eee3 VZ	442	m_current = 0;
dfe1eee3 VZ	443	m_region = region;
4bb6408c JS	444
	445	if (m_rects)
	446	delete[] m_rects;
	447
	448	m_rects = NULL;
	449
dfe1eee3 VZ	450	if (m_region.Empty())
	451	m_numRects = 0;
	452	else
4bb6408c	453	{
25f47127 JS	454	// Create m_rects and fill with rectangles for this region.
	455	// Since we can't find the rectangles in a region, we cheat
	456	// by retrieving the rectangles explicitly set in wxPaintDC::wxPaintDC
	457	// (dcclient.cpp).
	458	if (m_region.UsingRects())
	459	{
	460	wxRect* rects = m_region.GetRects();
	461	int count = m_region.GetRectCount();
	462	m_numRects = count;
	463	m_rects = new wxRect[m_numRects];
	464
b3a7510d	465	for (size_t i = 0; i < m_numRects; i++)
25f47127 JS	466	m_rects[i] = rects[i];
	467
	468	/*
	469	int i = 0;
	470	wxRectList::Node* node = rectList.GetFirst();
	471	while (node) {
	472	wxRect* rect = node->GetData();
	473	m_rects[i] = * rect;
	474	node = node->GetNext();
	475	i ++;
	476	}
	477	*/
	478	}
	479	else
	480	{
	481	// For now, fudge by getting the whole bounding box.
	482	m_rects = new wxRect[1];
	483	m_numRects = 1;
	484	m_rects[0] = m_region.GetBox();
	485	}
4bb6408c JS	486	}
	487	}
	488
	489	/*!
	490	* Increment iterator. The rectangle returned is the one after the
	491	* incrementation.
	492	*/
	493	void wxRegionIterator::operator ++ ()
	494	{
dfe1eee3 VZ	495	if (m_current < m_numRects)
dfe1eee3 VZ	496	++m_current;
4bb6408c JS	497	}
	498
	499	/*!
	500	* Increment iterator. The rectangle returned is the one before the
	501	* incrementation.
	502	*/
	503	void wxRegionIterator::operator ++ (int)
	504	{
dfe1eee3 VZ	505	if (m_current < m_numRects)
dfe1eee3 VZ	506	++m_current;
4bb6408c JS	507	}
4bb6408c JS	508
3ccf6cd7	509	wxCoord wxRegionIterator::GetX() const
4bb6408c	510	{
dfe1eee3 VZ	511	if (m_current < m_numRects)
	512	return m_rects[m_current].x;
	513	return 0;
4bb6408c JS	514	}
4bb6408c JS	515
3ccf6cd7	516	wxCoord wxRegionIterator::GetY() const
4bb6408c	517	{
dfe1eee3 VZ	518	if (m_current < m_numRects)
	519	return m_rects[m_current].y;
	520	return 0;
4bb6408c JS	521	}
4bb6408c JS	522
3ccf6cd7	523	wxCoord wxRegionIterator::GetW() const
4bb6408c	524	{
dfe1eee3 VZ	525	if (m_current < m_numRects)
	526	return m_rects[m_current].width ;
	527	return 0;
4bb6408c JS	528	}
4bb6408c JS	529
3ccf6cd7	530	wxCoord wxRegionIterator::GetH() const
4bb6408c	531	{
dfe1eee3 VZ	532	if (m_current < m_numRects)
	533	return m_rects[m_current].height;
	534	return 0;
4bb6408c JS	535	}
4bb6408c JS	536