/////////////////////////////////////////////////////////////////////////////
-// Name: region.cpp
-// Purpose:
-// Author: Robert Roebling
-// Created: 01/02/98
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// File: region.cpp
+// Purpose: Region class
+// Author: Markus Holzem/Julian Smart/AUTHOR
+// Created: Fri Oct 24 10:46:34 MET 1997
+// RCS-ID: $Id$
+// Copyright: (c) 1997 Markus Holzem/Julian Smart/AUTHOR
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-
#ifdef __GNUG__
#pragma implementation "region.h"
#endif
-#include "wx/region.h"
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#include "wx/msw/region.h"
+#include "wx/gdicmn.h"
+
+#include <windows.h>
+
+ IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+ IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
//-----------------------------------------------------------------------------
-// wxRegion
+// wxRegionRefData implementation
//-----------------------------------------------------------------------------
-class wxRegionRefData: public wxObjectRefData
-{
- public:
-
- wxRegionRefData(void);
- ~wxRegionRefData(void);
-
- public:
+class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
+public:
+ wxRegionRefData()
+ {
+ }
-};
+ wxRegionRefData(const wxRegionRefData& data)
+ {
+ // TODO
+ }
-wxRegionRefData::wxRegionRefData(void)
-{
-};
+ ~wxRegionRefData()
+ {
+ // TODO
+ }
-wxRegionRefData::~wxRegionRefData(void)
-{
+ HRGN m_region;
};
-//-----------------------------------------------------------------------------
-#define M_REGIONDATA ((wxRegionRefData *)m_refData)
+//-----------------------------------------------------------------------------
+// wxRegion
+//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxRegion,wxGDIObject);
-
-wxRegion::wxRegion( long x, long y, long w, long h )
+/*!
+ * Create an empty region.
+ */
+wxRegion::wxRegion()
{
- m_refData = new wxRegionRefData();
-};
+ m_refData = new wxRegionRefData;
+ // TODO create empty region
+}
-wxRegion::wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
+wxRegion::wxRegion(long x, long y, long w, long h)
{
- m_refData = new wxRegionRefData();
-};
+ m_refData = new wxRegionRefData;
+ // TODO create rect region
+}
-wxRegion::wxRegion( const wxRect& rect )
+wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
{
- m_refData = new wxRegionRefData();
-};
+ m_refData = new wxRegionRefData;
+ // TODO create rect region
+}
-wxRegion::wxRegion(void)
+wxRegion::wxRegion(const wxRect& rect)
{
- m_refData = new wxRegionRefData();
-};
-
-wxRegion::~wxRegion(void)
+ m_refData = new wxRegionRefData;
+ // TODO create rect region
+}
+
+/*!
+ * Destroy the region.
+ */
+wxRegion::~wxRegion()
{
-};
+ // m_refData unrefed in ~wxObject
+}
-void wxRegion::Clear(void)
-{
- UnRef();
- m_refData = new wxRegionRefData();
-};
+//-----------------------------------------------------------------------------
+//# Modify region
+//-----------------------------------------------------------------------------
-bool wxRegion::Union( long x, long y, long width, long height )
+//! Clear current region
+void wxRegion::Clear()
{
- return TRUE;
-};
+ UnRef();
+}
-bool wxRegion::Union( const wxRect& rect )
+//! Combine rectangle (x, y, w, h) with this.
+bool wxRegion::Combine(long x, long y, long width, long height, wxRegionOp op)
{
- return TRUE;
-};
-
-bool wxRegion::Union( const wxRegion& region )
+ // 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.
+
+ // TODO create rect region
+
+ int mode = 0; // TODO platform-specific code
+ switch (op)
+ {
+ case wxRGN_AND:
+ // TODO
+ break ;
+ case wxRGN_OR:
+ // TODO
+ break ;
+ case wxRGN_XOR:
+ // TODO
+ break ;
+ case wxRGN_DIFF:
+ // TODO
+ break ;
+ case wxRGN_COPY:
+ default:
+ // TODO
+ break ;
+ }
+
+ // TODO do combine region
+
+ return FALSE;
+}
+
+//! Union /e region with this.
+bool wxRegion::Combine(const wxRegion& region, wxRegionOp op)
{
- return TRUE;
-};
-
-bool wxRegion::Intersect( long x, long y, long width, long height )
+ 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);
+ }
+
+ int mode = 0; // TODO platform-specific code
+ switch (op)
+ {
+ case wxRGN_AND:
+ // TODO
+ break ;
+ case wxRGN_OR:
+ // TODO
+ break ;
+ case wxRGN_XOR:
+ // TODO
+ break ;
+ case wxRGN_DIFF:
+ // TODO
+ break ;
+ case wxRGN_COPY:
+ default:
+ // TODO
+ break ;
+ }
+
+ // TODO combine region
+
+ return FALSE;
+}
+
+bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
{
- return TRUE;
-};
+ return Combine(rect.GetLeft(), rect.GetTop(), rect.GetWidth(), rect.GetHeight(), op);
+}
-bool wxRegion::Intersect( const wxRect& rect )
-{
- return TRUE;
-};
+//-----------------------------------------------------------------------------
+//# Information on region
+//-----------------------------------------------------------------------------
-bool wxRegion::Intersect( const wxRegion& region )
+// Outer bounds of region
+void wxRegion::GetBox(long& x, long& y, long&w, long &h) const
{
- return TRUE;
-};
-
-bool wxRegion::Subtract( long x, long y, long width, long height )
+ if (m_refData) {
+ // TODO get box
+ } else {
+ x = y = w = h = 0;
+ }
+}
+
+wxRect wxRegion::GetBox() const
{
- return TRUE;
-};
+ long x, y, w, h;
+ GetBox(x, y, w, h);
+ return wxRect(x, y, w, h);
+}
-bool wxRegion::Subtract( const wxRect& rect )
+// Is region empty?
+bool wxRegion::Empty() const
{
- return TRUE;
-};
+ // TODO
+ return FALSE;
+}
-bool wxRegion::Subtract( const wxRegion& region )
-{
- return TRUE;
-};
+//-----------------------------------------------------------------------------
+//# Tests
+//-----------------------------------------------------------------------------
-bool wxRegion::Xor( long x, long y, long width, long height )
+// Does the region contain the point (x,y)?
+wxRegionContain wxRegion::Contains(long x, long y) const
{
- return TRUE;
-};
+ if (!m_refData)
+ return wxOutRegion;
-bool wxRegion::Xor( const wxRect& rect )
+ // 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
{
- return TRUE;
-};
+ if (!m_refData)
+ return wxOutRegion;
+
+ // TODO. Return wxInRegion if within region.
+ if (0)
+ return wxInRegion;
+ else
+ return 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;
+
+ // TODO. Return wxInRegion if within region.
+ if (0)
+ return wxInRegion;
+ else
+ 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);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// //
+// wxRegionIterator //
+// //
+///////////////////////////////////////////////////////////////////////////////
+
+/*!
+ * Initialize empty iterator
+ */
+wxRegionIterator::wxRegionIterator() : m_current(0), m_numRects(0), m_rects(NULL)
+{
+}
-bool wxRegion::Xor( const wxRegion& region )
+wxRegionIterator::~wxRegionIterator()
{
- return TRUE;
-};
+ if (m_rects)
+ delete[] m_rects;
+}
+
+/*!
+ * Initialize iterator for region
+ */
+wxRegionIterator::wxRegionIterator(const wxRegion& region)
+{
+ m_rects = NULL;
+
+ Reset(region);
+}
-void wxRegion::GetBox( long& x, long& y, long&w, long &h ) const
+/*!
+ * Reset iterator for a new /e region.
+ */
+void wxRegionIterator::Reset(const wxRegion& region)
{
- x = 0;
- y = 0;
- w = -1;
- h = -1;
-};
+ m_current = 0;
+ m_region = region;
+
+ if (m_rects)
+ delete[] m_rects;
+
+ m_rects = NULL;
+
+ if (m_region.Empty())
+ m_numRects = 0;
+ else
+ {
+ // TODO create m_rects and fill with rectangles for this region
+ m_numRects = 0;
+ }
+}
+
+/*!
+ * 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;
+}
-wxRect wxRegion::GetBox(void) const
+long wxRegionIterator::GetX() const
{
- return wxRect( 0, 0, -1, -1 );
-};
+ if (m_current < m_numRects)
+ return m_rects[m_current].x;
+ return 0;
+}
-bool wxRegion::Empty(void) const
+long wxRegionIterator::GetY() const
{
-};
+ if (m_current < m_numRects)
+ return m_rects[m_current].y;
+ return 0;
+}
-wxRegionContain wxRegion::Contains( long x, long y ) const
+long wxRegionIterator::GetW() const
{
- return wxOutRegion;
-};
+ if (m_current < m_numRects)
+ return m_rects[m_current].width ;
+ return 0;
+}
-wxRegionContain wxRegion::Contains( long x, long y, long w, long h ) const
+long wxRegionIterator::GetH() const
{
- return wxOutRegion;
-};
+ if (m_current < m_numRects)
+ return m_rects[m_current].height;
+ return 0;
+}
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