// Purpose: Region class
// Author: Julian Smart, Robert Roebling
// Created: Fri Oct 24 10:46:34 MET 1997
-// RCS-ID: $Id$
// Copyright: (c) 1997 Julian Smart, Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// wxRegionRefData: private class containing the information about the region
// ----------------------------------------------------------------------------
-class wxRegionRefData : public wxObjectRefData
+class wxRegionRefData : public wxGDIRefData
{
public:
wxRegionRefData()
XUnionRectWithRegion( &rect, M_REGIONDATA->m_region, M_REGIONDATA->m_region );
}
-wxRegion::wxRegion( size_t WXUNUSED(n), const wxPoint *WXUNUSED(points), int WXUNUSED(fillStyle) )
+wxRegion::wxRegion( size_t WXUNUSED(n), const wxPoint *WXUNUSED(points), wxPolygonFillMode 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 ) const
+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 ) == 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 ( !width || !height )
+ if ( r.IsEmpty() )
return true;
XRectangle rect;
- rect.x = (short)x;
- rect.y = (short)y;
- rect.width = (unsigned short)width;
- rect.height = (unsigned short)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.IsOk(), false, wxT("invalid region") );
if (!m_refData)
{
return true;
}
-bool wxRegion::Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
-{
- wxRegion reg( x, y, width, height );
-
- return Intersect( reg );
-}
-
-bool wxRegion::Intersect( const wxRect& rect )
-{
- wxRegion reg( rect );
-
- return Intersect( reg );
-}
-
-bool wxRegion::Intersect( const wxRegion& region )
+bool wxRegion::DoIntersect( const wxRegion& region )
{
- if (region.IsNull())
- return false;
+ wxCHECK_MSG( region.IsOk(), false, wxT("invalid region") );
if (!m_refData)
{
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 )
+bool wxRegion::DoSubtract( const wxRegion& region )
{
- wxRegion reg( rect );
- return Subtract( reg );
-}
-
-bool wxRegion::Subtract( const wxRegion& region )
-{
- if (region.IsNull())
- return false;
+ wxCHECK_MSG( region.IsOk(), false, wxT("invalid region") );
if (!m_refData)
{
return true;
}
-bool wxRegion::Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height )
-{
- wxRegion reg( x, y, width, height );
- return Xor( reg );
-}
-
-bool wxRegion::Xor( const wxRect& rect )
+bool wxRegion::DoXor( const wxRegion& region )
{
- wxRegion reg( rect );
- return Xor( reg );
-}
-
-bool wxRegion::Xor( const wxRegion& region )
-{
- if (region.IsNull())
- return false;
+ wxCHECK_MSG( region.IsOk(), false, wxT("invalid region") );
if (!m_refData)
{
// 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 true;
}
-bool wxRegion::Empty() const
+bool wxRegion::IsEmpty() const
{
if (!m_refData)
return true;
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)
- return (WXRegion*) NULL;
+ return NULL;
return (WXRegion*) M_REGIONDATA->m_region;
}
_XBox *rects, extents;
};
-class wxRIRefData: public wxObjectRefData
+class wxRIRefData: public wxGDIRefData
{
public: