// 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)
{
- m_region = NULL;
-};
+ m_region = (GdkRegion *) NULL;
+}
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)
{
m_refData = new wxRegionRefData();
M_REGIONDATA->m_region = gdk_region_new();
-};
+}
wxRegion::~wxRegion(void)
{
-};
+}
void wxRegion::Clear(void)
{
UnRef();
m_refData = new wxRegionRefData();
M_REGIONDATA->m_region = gdk_region_new();
-};
+}
bool wxRegion::Union( long x, long y, long width, long height )
{
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;
-};
+}
bool wxRegion::Union( const wxRect& rect )
{
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;
-};
+}
bool wxRegion::Union( const wxRegion& region )
{
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;
-};
+}
bool wxRegion::Intersect( long x, long y, long width, long height )
{
wxRegion reg( x, y, width, height );
Intersect( reg );
return TRUE;
-};
+}
bool wxRegion::Intersect( const wxRect& rect )
{
wxRegion reg( rect );
Intersect( reg );
return TRUE;
-};
+}
bool wxRegion::Intersect( const wxRegion& region )
{
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
return TRUE;
-};
+}
bool wxRegion::Subtract( long x, long y, long width, long height )
{
wxRegion reg( x, y, width, height );
Subtract( reg );
return TRUE;
-};
+}
bool wxRegion::Subtract( const wxRect& rect )
{
wxRegion reg( rect );
Subtract( reg );
return TRUE;
-};
+}
bool wxRegion::Subtract( const wxRegion& region )
{
gdk_region_destroy( M_REGIONDATA->m_region );
M_REGIONDATA->m_region = reg;
return TRUE;
-};
+}
bool wxRegion::Xor( long x, long y, long width, long height )
{
wxRegion reg( x, y, width, height );
Xor( reg );
return TRUE;
-};
+}
bool wxRegion::Xor( const wxRect& rect )
{
wxRegion reg( rect );
Xor( reg );
return TRUE;
-};
+}
bool wxRegion::Xor( const wxRegion& region )
{
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;
-};
+}
void wxRegion::GetBox( long& x, long& y, long&w, long &h ) const
{
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 gdk_region_empty( M_REGIONDATA->m_region );
-};
+}
wxRegionContain wxRegion::Contains( long x, long y ) const
{
return wxInRegion;
else
return wxOutRegion;
-};
+}
wxRegionContain wxRegion::Contains( long x, long y, long w, long h ) const
{
case GDK_OVERLAP_RECTANGLE_IN: return wxInRegion;
case GDK_OVERLAP_RECTANGLE_OUT: return wxOutRegion;
case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
- };
+ }
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;
+}
+