[wxWidgets.git] / src / x11 / 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

#ifdef __VMS__
#pragma message enable nosimpint
#endif
// #include "wx/x11/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
83df96d6 JS	1	/////////////////////////////////////////////////////////////////////////////
	2	// File: region.cpp
	3	// Purpose: Region class
	4	// Author: Markus Holzem/Julian Smart
	5	// Created: Fri Oct 24 10:46:34 MET 1997
	6	// RCS-ID: $Id$
	7	// Copyright: (c) 1997 Markus Holzem/Julian Smart
	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
	18	#ifdef __VMS__
	19	#pragma message disable nosimpint
	20	#endif
bc797f4c	21
83df96d6 JS	22	#ifdef __VMS__
	23	#pragma message enable nosimpint
	24	#endif
bc797f4c	25	// #include "wx/x11/private.h"
83df96d6 JS	26
	27	IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
	28	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
	29
	30	// ----------------------------------------------------------------------------
	31	// list types
	32	// ----------------------------------------------------------------------------
	33
	34	#include "wx/listimpl.cpp"
	35
	36	WX_DEFINE_LIST(wxRectList);
	37
	38	//-----------------------------------------------------------------------------
	39	// wxRegionRefData implementation
	40	//-----------------------------------------------------------------------------
	41
	42	class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
	43	public:
	44	wxRegionRefData()
	45	{
	46	m_region = XCreateRegion();
	47	m_usingRects = FALSE;
	48	m_rects = (wxRect*) NULL;
	49	m_rectCount = 0;
	50	}
	51
	52	wxRegionRefData(const wxRegionRefData& data)
	53	{
	54	m_region = XCreateRegion();
	55	m_rects = (wxRect*) NULL;
	56	m_rectCount = 0;
	57	XUnionRegion(m_region, data.m_region, m_region);
	58
	59	SetRects(data.m_rectCount, data.m_rects);
	60	}
	61
	62	~wxRegionRefData()
	63	{
	64	XDestroyRegion(m_region);
	65	DeleteRects();
	66	}
	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.
	80	};
	81
	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
127	#define M_REGION (((wxRegionRefData*)m_refData)->m_region)
128
129	//-----------------------------------------------------------------------------
130	// wxRegion
131	//-----------------------------------------------------------------------------
132
133	/*!
134	* Create an empty region.
135	*/
136	wxRegion::wxRegion()
137	{
138	}
139
140	wxRegion::wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
141	{
142	m_refData = new wxRegionRefData;
143
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);
150	}
151
152	wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
153	{
154	m_refData = new wxRegionRefData;
155
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);
162	}
163
164	wxRegion::wxRegion(const wxRect& rect)
165	{
166	m_refData = new wxRegionRefData;
167
168	XRectangle rect1;
169	rect1.x = rect.x;
170	rect1.y = rect.y;
171	rect1.width = rect.width;
172	rect1.height = rect.height;
173	XUnionRectWithRegion(&rect1, M_REGION, M_REGION);
174	}
175
176	/*!
177	* Destroy the region.
178	*/
179	wxRegion::~wxRegion()
180	{
181	// m_refData unrefed in ~wxObject
182	}
183
184	// Get the internal region handle
185	WXRegion wxRegion::GetXRegion() const
186	{
187	wxASSERT( m_refData !=NULL );
188
189	return (WXRegion) ((wxRegionRefData*)m_refData)->m_region;
190	}
191
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.
203	bool wxRegion::Combine(wxCoord x, wxCoord y, wxCoord width, wxCoord height, wxRegionOp op)
204	{
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	}
213	// If ref count is 1, that means it's 'ours' anyway so no action.
214
215	Region rectRegion = XCreateRegion();
216
217	XRectangle rect;
218	rect.x = x;
219	rect.y = y;
220	rect.width = width;
221	rect.height = height;
222	XUnionRectWithRegion(&rect, rectRegion, rectRegion);
223
224	switch (op)
225	{
226	case wxRGN_AND:
227	XIntersectRegion(M_REGION, rectRegion, M_REGION);
228	break ;
229	case wxRGN_OR:
230	XUnionRegion(M_REGION, rectRegion, M_REGION);
231	break ;
232	case wxRGN_XOR:
233	// TODO
234	break ;
235	case wxRGN_DIFF:
236	// TODO
237	break ;
238	case wxRGN_COPY: // Don't have to do this one
239	default:
240	// TODO
241	break ;
242	}
243
244	return FALSE;
245	}
246
247	//! Union /e region with this.
248	bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
249	{
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
262	switch (op)
263	{
264	case wxRGN_AND:
265	XIntersectRegion(M_REGION, ((wxRegionRefData*)region.m_refData)->m_region,
266	M_REGION);
267	break ;
268	case wxRGN_OR:
269	XUnionRegion(M_REGION, ((wxRegionRefData*)region.m_refData)->m_region,
270	M_REGION);
271	break ;
272	case wxRGN_XOR:
273	// TODO
274	break ;
275	case wxRGN_DIFF:
276	// TODO
277	break ;
278	case wxRGN_COPY: // Don't have to do this one
279	default:
280	// TODO
281	break ;
282	}
283
284	return FALSE;
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
297	void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const
298	{
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	}
309	}
310
311	wxRect wxRegion::GetBox() const
312	{
313	wxCoord x, y, w, h;
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	{
321	return m_refData ? XEmptyRegion(M_REGION) : TRUE;
322	}
323
324	//-----------------------------------------------------------------------------
325	//# Tests
326	//-----------------------------------------------------------------------------
327
328	// Does the region contain the point (x,y)?
329	wxRegionContain wxRegion::Contains(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y)) const
330	{
331	if (!m_refData)
332	return wxOutRegion;
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	{
343	if (!m_refData)
344	return wxOutRegion;
345
346	return XPointInRegion(M_REGION, pt.x, pt.y) ? wxInRegion : wxOutRegion;
347	}
348
349	// Does the region contain the rectangle (x, y, w, h)?
350	wxRegionContain wxRegion::Contains(wxCoord x, wxCoord y, wxCoord w, wxCoord h) const
351	{
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;
360	}
361
362	// Does the region contain the rectangle rect
363	wxRegionContain wxRegion::Contains(const wxRect& rect) const
364	{
365	if (!m_refData)
366	return wxOutRegion;
367
368	wxCoord x, y, w, h;
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
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
408	///////////////////////////////////////////////////////////////////////////////
409	// //
410	// wxRegionIterator //
411	// //
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
434	Reset(region);
435	}
436
437	/*!
438	* Reset iterator for a new /e region.
439	*/
440	void wxRegionIterator::Reset(const wxRegion& region)
441	{
442	m_current = 0;
443	m_region = region;
444
445	if (m_rects)
446	delete[] m_rects;
447
448	m_rects = NULL;
449
450	if (m_region.Empty())
451	m_numRects = 0;
452	else
453	{
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
465	for (size_t i = 0; i < m_numRects; i++)
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	}
486	}
487	}
488
489	/*!
490	* Increment iterator. The rectangle returned is the one after the
491	* incrementation.
492	*/
493	void wxRegionIterator::operator ++ ()
494	{
495	if (m_current < m_numRects)
496	++m_current;
497	}
498
499	/*!
500	* Increment iterator. The rectangle returned is the one before the
501	* incrementation.
502	*/
503	void wxRegionIterator::operator ++ (int)
504	{
505	if (m_current < m_numRects)
506	++m_current;
507	}
508
509	wxCoord wxRegionIterator::GetX() const
510	{
511	if (m_current < m_numRects)
512	return m_rects[m_current].x;
513	return 0;
514	}
515
516	wxCoord wxRegionIterator::GetY() const
517	{
518	if (m_current < m_numRects)
519	return m_rects[m_current].y;
520	return 0;
521	}
522
523	wxCoord wxRegionIterator::GetW() const
524	{
525	if (m_current < m_numRects)
526	return m_rects[m_current].width ;
527	return 0;
528	}
529
530	wxCoord wxRegionIterator::GetH() const
531	{
532	if (m_current < m_numRects)
533	return m_rects[m_current].height;
534	return 0;
535	}
536