// Name: region.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/98
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
public:
GdkRegion *m_region;
+ wxList m_rects;
};
wxRegionRefData::wxRegionRefData(void)
wxRegionRefData::~wxRegionRefData(void)
{
if (m_region) gdk_region_destroy( m_region );
+
+ wxNode *node = m_rects.First();
+ while (node)
+ {
+ wxRect *r = (wxRect*)node->Data();
+ delete r;
+ node = node->Next();
+ }
}
//-----------------------------------------------------------------------------
rect.height = h;
M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
gdk_region_destroy( reg );
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,w,h) );
}
wxRegion::wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
rect.height = bottomRight.y - rect.y;
M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
gdk_region_destroy( reg );
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(topLeft,bottomRight) );
}
wxRegion::wxRegion( const wxRect& rect )
g_rect.height = rect.height;
M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
gdk_region_destroy( reg );
+
+ wxNode *node = M_REGIONDATA->m_rects.First();
+ while (node)
+ {
+ wxRect *r = (wxRect*)node->Data();
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
+ node = node->Next();
+ }
}
wxRegion::wxRegion(void)
{
}
+bool wxRegion::operator == ( const wxRegion& region )
+{
+ return m_refData == region.m_refData;
+}
+
+bool wxRegion::operator != ( const wxRegion& region )
+{
+ return m_refData != region.m_refData;
+}
+
void wxRegion::Clear(void)
{
UnRef();
GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &rect );
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(x,y,width,height) );
return TRUE;
}
GdkRegion *reg = gdk_region_union_with_rect( M_REGIONDATA->m_region, &g_rect );
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(rect.x,rect.y,rect.width,rect.height) );
return TRUE;
}
GdkRegion *reg = gdk_regions_union( M_REGIONDATA->m_region, region.GetRegion() );
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
+
+ wxNode *node = region.GetRectList()->First();
+ while (node)
+ {
+ wxRect *r = (wxRect*)node->Data();
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
+ node = node->Next();
+ }
+
return TRUE;
}
GdkRegion *reg = gdk_regions_xor( M_REGIONDATA->m_region, region.GetRegion() );
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
+
+ wxNode *node = region.GetRectList()->First();
+ while (node)
+ {
+ wxRect *r = (wxRect*)node->Data();
+ M_REGIONDATA->m_rects.Append( (wxObject*) new wxRect(r->x,r->y,r->width,r->height) );
+ node = node->Next();
+ }
+
return TRUE;
}
y = 0;
w = -1;
h = -1;
+ wxNode *node = GetRectList()->First();
+ while (node)
+ {
+ wxRect *r = (wxRect*)node->Data();
+ if (node == GetRectList()->First())
+ {
+ x = r->x;
+ y = r->y;
+ w = r->width;
+ h = r->height;
+ }
+ else
+ {
+ if (r->x < x)
+ {
+ x = r->x;
+ w += x - r->x;
+ }
+ if (r->y < y)
+ {
+ y = r->y;
+ h += y - r->y;
+ }
+ if (r->width+r->x > x+w)
+ {
+ w = r->x + r->width - x;
+ }
+ if (r->height+r->y > y+h)
+ {
+ h = r->y + r->height - y;
+ }
+ }
+ node = node->Next();
+ }
}
wxRect wxRegion::GetBox(void) const
{
- return wxRect( 0, 0, -1, -1 );
+ long x = 0;
+ long y = 0;
+ long w = -1;
+ long h = -1;
+ GetBox( x, y, w, h );
+ return wxRect( x, y, w, h );
}
bool wxRegion::Empty(void) const
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 );
+}
+
GdkRegion *wxRegion::GetRegion(void) const
{
return M_REGIONDATA->m_region;
}
+wxList *wxRegion::GetRectList() const
+{
+ return &(M_REGIONDATA->m_rects);
+}
+
+//-----------------------------------------------------------------------------
+// wxRegion
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
+
+wxRegionIterator::wxRegionIterator(void)
+{
+ m_current = 0;
+}
+
+wxRegionIterator::wxRegionIterator( const wxRegion& region )
+{
+ m_region = region;
+ m_current = 0;
+}
+
+void wxRegionIterator::Reset( const wxRegion& region )
+{
+ m_region = region;
+ m_current = 0;
+}
+
+wxRegionIterator::operator bool (void) const
+{
+ return m_current < m_region.GetRectList()->Number();
+}
+
+bool wxRegionIterator::HaveRects(void) const
+{
+ return m_current < m_region.GetRectList()->Number();
+}
+
+void wxRegionIterator::operator ++ (void)
+{
+ if (m_current < m_region.GetRectList()->Number()) ++m_current;
+}
+
+void wxRegionIterator::operator ++ (int)
+{
+ if (m_current < m_region.GetRectList()->Number()) ++m_current;
+}
+
+long wxRegionIterator::GetX(void) const
+{
+ wxNode *node = m_region.GetRectList()->Nth( m_current );
+ if (!node) return 0;
+ wxRect *r = (wxRect*)node->Data();
+ return r->x;
+}
+
+long wxRegionIterator::GetY(void) const
+{
+ wxNode *node = m_region.GetRectList()->Nth( m_current );
+ if (!node) return 0;
+ wxRect *r = (wxRect*)node->Data();
+ return r->y;
+}
+
+long wxRegionIterator::GetW(void) const
+{
+ wxNode *node = m_region.GetRectList()->Nth( m_current );
+ if (!node) return 0;
+ wxRect *r = (wxRect*)node->Data();
+ return r->width;
+}
+
+long wxRegionIterator::GetH(void) const
+{
+ wxNode *node = m_region.GetRectList()->Nth( m_current );
+ if (!node) return 0;
+ wxRect *r = (wxRect*)node->Data();
+ return r->height;
+}
+
+