/////////////////////////////////////////////////////////////////////////////
-// File: region.cpp
+// File: src/x11/region.cpp
// Purpose: Region class
-// Author: Markus Holzem, Julian Smart, Robert Roebling
+// Author: Julian Smart, Robert Roebling
// Created: Fri Oct 24 10:46:34 MET 1997
-// RCS-ID: $Id$
-// Copyright: (c) 1997 Markus Holzem, Julian Smart, Robert Roebling
+// RCS-ID: $Id$
+// Copyright: (c) 1997 Julian Smart, Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "region.h"
-#endif
+// for compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/region.h"
-#include "wx/gdicmn.h"
-#include "wx/log.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/gdicmn.h"
+#endif
#ifdef __VMS__
#pragma message disable nosimpint
// wxRegionRefData: private class containing the information about the region
// ----------------------------------------------------------------------------
-class wxRegionRefData : public wxObjectRefData
+class wxRegionRefData : public wxGDIRefData
{
public:
wxRegionRefData()
{
m_region = NULL;
}
-
+
wxRegionRefData(const wxRegionRefData& refData)
{
m_region = XCreateRegion();
XUnionRegion( refData.m_region, m_region, m_region );
}
-
- ~wxRegionRefData()
+
+ virtual ~wxRegionRefData()
{
if (m_region)
XDestroyRegion( m_region );
#define M_REGIONDATA ((wxRegionRefData *)m_refData)
#define M_REGIONDATA_OF(rgn) ((wxRegionRefData *)(rgn.m_refData))
-IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject);
-IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject)
// ----------------------------------------------------------------------------
// wxRegion construction
void wxRegion::InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
{
XRectangle rect;
- rect.x = x;
- rect.y = y;
- rect.width = w;
- rect.height = h;
-
+ rect.x = (short)x;
+ rect.y = (short)y;
+ rect.width = (unsigned short)w;
+ rect.height = (unsigned short)h;
+
m_refData = new wxRegionRefData();
-
+
M_REGIONDATA->m_region = XCreateRegion();
XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
}
-wxRegion::wxRegion( size_t n, const wxPoint *points, int fillStyle )
+wxRegion::wxRegion( size_t WXUNUSED(n), const wxPoint *WXUNUSED(points), int WXUNUSED(fillStyle) )
{
#if 0
XPoint *xpoints = new XPoint[n];
// m_refData unrefed in ~wxObject
}
-wxObjectRefData *wxRegion::CreateRefData() const
+wxGDIRefData *wxRegion::CreateGDIRefData() const
{
return new wxRegionRefData;
}
-wxObjectRefData *wxRegion::CloneRefData(const wxObjectRefData *data) const
+wxGDIRefData *wxRegion::CloneGDIRefData(const wxGDIRefData *data) const
{
return new wxRegionRefData(*(wxRegionRefData *)data);
}
// wxRegion comparison
// ----------------------------------------------------------------------------
-bool wxRegion::operator==( const wxRegion& region )
+bool wxRegion::DoIsEqual(const wxRegion& region) const
{
- if (m_refData == region.m_refData) return TRUE;
-
- if (!m_refData || !region.m_refData) return FALSE;
-
- // compare the regions themselves, not the pointers to ref data!
return XEqualRegion( M_REGIONDATA->m_region,
- M_REGIONDATA_OF(region)->m_region );
+ M_REGIONDATA_OF(region)->m_region ) == True;
}
// ----------------------------------------------------------------------------
UnRef();
}
-bool wxRegion::Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxRegion::DoUnionWithRect(const wxRect& r)
{
+ // work around for XUnionRectWithRegion() bug: taking a union with an empty
+ // rect results in an empty region (at least XFree 3.3.6 and 4.0 have this
+ // problem)
+ if ( r.IsEmpty() )
+ return true;
+
XRectangle rect;
- rect.x = x;
- rect.y = y;
- rect.width = width;
- rect.height = height;
-
+ rect.x = (short)r.x;
+ rect.y = (short)r.y;
+ rect.width = (unsigned short)r.width;
+ rect.height = (unsigned short)r.height;
+
if (!m_refData)
{
m_refData = new wxRegionRefData();
M_REGIONDATA->m_region = XCreateRegion();
- XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
}
else
{
AllocExclusive();
-
- XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
}
- return TRUE;
-}
+ XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
-bool wxRegion::Union( const wxRect& rect )
-{
- return Union( rect.x, rect.y, rect.width, rect.height );
+ return true;
}
-bool wxRegion::Union( const wxRegion& region )
+bool wxRegion::DoUnionWithRegion( const wxRegion& region )
{
- if (region.IsNull())
- return FALSE;
+ wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
if (!m_refData)
{
{
AllocExclusive();
}
-
+
XUnionRegion( M_REGIONDATA->m_region,
M_REGIONDATA_OF(region)->m_region,
M_REGIONDATA->m_region );
- return TRUE;
-}
-
-bool wxRegion::Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
-{
- wxRegion reg( x, y, width, height );
-
- return Intersect( reg );
+ return true;
}
-bool wxRegion::Intersect( const wxRect& rect )
+bool wxRegion::DoIntersect( const wxRegion& region )
{
- wxRegion reg( rect );
-
- return Intersect( reg );
-}
-
-bool wxRegion::Intersect( const wxRegion& region )
-{
- if (region.IsNull())
- return FALSE;
+ wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
if (!m_refData)
{
m_refData = new wxRegionRefData();
M_REGIONDATA->m_region = XCreateRegion();
-
- // leave here
- return TRUE;
+
+ // leave here
+ return true;
}
else
{
M_REGIONDATA_OF(region)->m_region,
M_REGIONDATA->m_region );
- return TRUE;
-}
-
-bool wxRegion::Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
-{
- wxRegion reg( x, y, width, height );
- return Subtract( reg );
-}
-
-bool wxRegion::Subtract( const wxRect& rect )
-{
- wxRegion reg( rect );
- return Subtract( reg );
+ return true;
}
-bool wxRegion::Subtract( const wxRegion& region )
+bool wxRegion::DoSubtract( const wxRegion& region )
{
- if (region.IsNull())
- return FALSE;
+ wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
if (!m_refData)
{
M_REGIONDATA_OF(region)->m_region,
M_REGIONDATA->m_region );
- return TRUE;
+ return true;
}
-bool wxRegion::Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
+bool wxRegion::DoXor( const wxRegion& region )
{
- wxRegion reg( x, y, width, height );
- return Xor( reg );
-}
-
-bool wxRegion::Xor( const wxRect& rect )
-{
- wxRegion reg( rect );
- return Xor( reg );
-}
-
-bool wxRegion::Xor( const wxRegion& region )
-{
- if (region.IsNull())
- return FALSE;
+ wxCHECK_MSG( region.Ok(), false, _T("invalid region") );
if (!m_refData)
{
XXorRegion( M_REGIONDATA->m_region,
M_REGIONDATA_OF(region)->m_region,
M_REGIONDATA->m_region );
-
- return TRUE;
+
+ return true;
}
// ----------------------------------------------------------------------------
// wxRegion tests
// ----------------------------------------------------------------------------
-void wxRegion::GetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
+bool wxRegion::DoGetBox( wxCoord &x, wxCoord &y, wxCoord &w, wxCoord &h ) const
{
if (m_refData)
{
y = rect.y;
w = rect.width;
h = rect.height;
+
+ return true;
}
else
{
y = 0;
w = -1;
h = -1;
- }
-}
-wxRect wxRegion::GetBox() const
-{
- wxCoord x, y, w, h;
- GetBox( x, y, w, h );
- return wxRect( x, y, w, h );
+ return false;
+ }
}
-bool wxRegion::Offset( wxCoord x, wxCoord y )
+bool wxRegion::DoOffset( wxCoord x, wxCoord y )
{
if (!m_refData)
- return FALSE;
+ return false;
AllocExclusive();
XOffsetRegion( M_REGIONDATA->m_region, x, y );
- return TRUE;
+ return true;
}
-bool wxRegion::Empty() const
+bool wxRegion::IsEmpty() const
{
if (!m_refData)
- return TRUE;
+ return true;
- return XEmptyRegion( M_REGIONDATA->m_region );
+ return XEmptyRegion( M_REGIONDATA->m_region ) == True;
}
-wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y ) const
+wxRegionContain wxRegion::DoContainsPoint( wxCoord x, wxCoord y ) const
{
if (!m_refData)
return wxOutRegion;
return wxOutRegion;
}
-wxRegionContain wxRegion::Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const
+wxRegionContain wxRegion::DoContainsRect(const wxRect& r) const
{
if (!m_refData)
return wxOutRegion;
- int res = XRectInRegion( M_REGIONDATA->m_region, x, y, w, h );
+ int res = XRectInRegion(M_REGIONDATA->m_region, r.x, r.y, r.width, r.height);
switch (res)
{
case RectangleIn: return wxInRegion;
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 );
-}
-
WXRegion *wxRegion::GetX11Region() const
{
if (!m_refData)
_XBox *rects, extents;
};
-class wxRIRefData: public wxObjectRefData
+class wxRIRefData: public wxGDIRefData
{
public:
wxRIRefData() : m_rects(0), m_numRects(0){}
- ~wxRIRefData();
+ virtual ~wxRIRefData();
wxRect *m_rects;
size_t m_numRects;
m_rects = 0;
m_numRects = 0;
-
+
if (region.IsEmpty()) return;
-
+
Region r = (Region) region.GetX11Region();
if (r)
{
return r;
}
-
projects / wxWidgets.git / blobdiff