// 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
/////////////////////////////////////////////////////////////////////////////
-
#ifdef __GNUG__
#pragma implementation "region.h"
#endif
#include "wx/region.h"
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+
//-----------------------------------------------------------------------------
// wxRegion
//-----------------------------------------------------------------------------
{
public:
- wxRegionRefData(void);
- ~wxRegionRefData(void);
+ wxRegionRefData();
+ ~wxRegionRefData();
public:
GdkRegion *m_region;
+ wxList m_rects;
};
-wxRegionRefData::wxRegionRefData(void)
+wxRegionRefData::wxRegionRefData()
{
- m_region = NULL;
-};
+ m_region = (GdkRegion *) NULL;
+}
-wxRegionRefData::~wxRegionRefData(void)
+wxRegionRefData::~wxRegionRefData()
{
- if (m_region) gdk_region_destroy( m_region );
-};
+ 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();
+ }
+}
//-----------------------------------------------------------------------------
wxRegion::wxRegion( long x, long y, long w, long h )
{
- m_refData = new wxRegionRefData();
- GdkRegion *reg = gdk_region_new();
- GdkRectangle rect;
- rect.x = x;
- rect.y = y;
- rect.width = w;
- rect.height = h;
- M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
- gdk_region_destroy( reg );
-};
+ m_refData = new wxRegionRefData();
+ GdkRegion *reg = gdk_region_new();
+ GdkRectangle rect;
+ rect.x = x;
+ rect.y = y;
+ rect.width = w;
+ 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 )
{
- m_refData = new wxRegionRefData();
- GdkRegion *reg = gdk_region_new();
- GdkRectangle rect;
- rect.x = topLeft.x;
- rect.y = topLeft.y;
- rect.width = bottomRight.x - rect.x;
- rect.height = bottomRight.y - rect.y;
- M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &rect );
- gdk_region_destroy( reg );
-};
+ m_refData = new wxRegionRefData();
+ GdkRegion *reg = gdk_region_new();
+ GdkRectangle rect;
+ rect.x = topLeft.x;
+ rect.y = topLeft.y;
+ rect.width = bottomRight.x - rect.x;
+ 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 )
{
- m_refData = new wxRegionRefData();
- GdkRegion *reg = gdk_region_new();
- GdkRectangle g_rect;
- g_rect.x = rect.x;
- g_rect.y = rect.y;
- g_rect.width = rect.width;
- g_rect.height = rect.height;
- M_REGIONDATA->m_region = gdk_region_union_with_rect( reg, &g_rect );
- gdk_region_destroy( reg );
-};
+ m_refData = new wxRegionRefData();
+ GdkRegion *reg = gdk_region_new();
+ GdkRectangle g_rect;
+ g_rect.x = rect.x;
+ g_rect.y = rect.y;
+ g_rect.width = rect.width;
+ 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()
+{
+ m_refData = new wxRegionRefData();
+ M_REGIONDATA->m_region = gdk_region_new();
+}
-wxRegion::wxRegion(void)
+wxRegion::~wxRegion()
{
- m_refData = new wxRegionRefData();
- M_REGIONDATA->m_region = gdk_region_new();
-};
+}
-wxRegion::~wxRegion(void)
+bool wxRegion::operator == ( const wxRegion& region )
{
-};
+ return m_refData == region.m_refData;
+}
-void wxRegion::Clear(void)
+bool wxRegion::operator != ( const wxRegion& region )
{
- UnRef();
- m_refData = new wxRegionRefData();
- M_REGIONDATA->m_region = gdk_region_new();
-};
+ return m_refData != region.m_refData;
+}
+
+void wxRegion::Clear()
+{
+ UnRef();
+ m_refData = new wxRegionRefData();
+ M_REGIONDATA->m_region = gdk_region_new();
+}
bool wxRegion::Union( long x, long y, long width, long height )
{
- GdkRectangle rect;
- rect.x = x;
- rect.y = y;
- rect.width = width;
- rect.height = 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;
- return TRUE;
-};
+ GdkRectangle rect;
+ rect.x = x;
+ rect.y = y;
+ rect.width = width;
+ rect.height = 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 )
{
- GdkRectangle g_rect;
- g_rect.x = rect.x;
- g_rect.y = rect.y;
- g_rect.width = rect.width;
- g_rect.height = rect.height;
- 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;
- return TRUE;
-};
+ GdkRectangle g_rect;
+ g_rect.x = rect.x;
+ g_rect.y = rect.y;
+ g_rect.width = rect.width;
+ g_rect.height = rect.height;
+ 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;
- 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;
+}
bool wxRegion::Intersect( long x, long y, long width, long height )
{
- wxRegion reg( x, y, width, height );
- Intersect( reg );
- return TRUE;
-};
+ wxRegion reg( x, y, width, height );
+ Intersect( reg );
+ return TRUE;
+}
bool wxRegion::Intersect( const wxRect& rect )
{
- wxRegion reg( rect );
- Intersect( reg );
- return TRUE;
-};
+ wxRegion reg( rect );
+ Intersect( reg );
+ return TRUE;
+}
bool wxRegion::Intersect( const wxRegion& region )
{
- GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
- gdk_region_destroy( M_REGIONDATA->m_region );
- M_REGIONDATA->m_region = reg;
- return TRUE;
-};
+ GdkRegion *reg = gdk_regions_intersect( M_REGIONDATA->m_region, region.GetRegion() );
+ 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;
-};
+ wxRegion reg( x, y, width, height );
+ Subtract( reg );
+ return TRUE;
+}
bool wxRegion::Subtract( const wxRect& rect )
{
- wxRegion reg( rect );
- Subtract( reg );
- return TRUE;
-};
+ wxRegion reg( rect );
+ Subtract( reg );
+ return TRUE;
+}
bool wxRegion::Subtract( const wxRegion& region )
{
- GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
- gdk_region_destroy( M_REGIONDATA->m_region );
- M_REGIONDATA->m_region = reg;
- return TRUE;
-};
+ GdkRegion *reg = gdk_regions_subtract( M_REGIONDATA->m_region, region.GetRegion() );
+ 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;
-};
+ wxRegion reg( x, y, width, height );
+ Xor( reg );
+ return TRUE;
+}
bool wxRegion::Xor( const wxRect& rect )
{
- wxRegion reg( rect );
- Xor( reg );
- return TRUE;
-};
+ 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;
- 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;
+}
void wxRegion::GetBox( long& x, long& y, long&w, long &h ) const
{
- x = 0;
- y = 0;
- w = -1;
- h = -1;
-};
-
-wxRect wxRegion::GetBox(void) const
+ x = 0;
+ 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() const
{
- return wxRect( 0, 0, -1, -1 );
-};
-
-bool wxRegion::Empty(void) const
+ 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() const
{
- return gdk_region_empty( M_REGIONDATA->m_region );
-};
+ return gdk_region_empty( M_REGIONDATA->m_region );
+}
wxRegionContain wxRegion::Contains( long x, long y ) const
{
- if (gdk_region_point_in( M_REGIONDATA->m_region, x, y ))
- return wxInRegion;
- else
- return wxOutRegion;
-};
+ if (gdk_region_point_in( M_REGIONDATA->m_region, x, y ))
+ return wxInRegion;
+ else
+ return wxOutRegion;
+}
wxRegionContain wxRegion::Contains( long x, long y, long w, long h ) const
{
- GdkRectangle rect;
- rect.x = x;
- rect.y = y;
- rect.width = w;
- rect.height = h;
- GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
- switch (res)
- {
- case GDK_OVERLAP_RECTANGLE_IN: return wxInRegion;
- case GDK_OVERLAP_RECTANGLE_OUT: return wxOutRegion;
- case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
- };
- return wxOutRegion;
-};
+ GdkRectangle rect;
+ rect.x = x;
+ rect.y = y;
+ rect.width = w;
+ rect.height = h;
+ GdkOverlapType res = gdk_region_rect_in( M_REGIONDATA->m_region, &rect );
+ switch (res)
+ {
+ case GDK_OVERLAP_RECTANGLE_IN: return wxInRegion;
+ case GDK_OVERLAP_RECTANGLE_OUT: return wxOutRegion;
+ case GDK_OVERLAP_RECTANGLE_PART: return wxPartRegion;
+ }
+ return wxOutRegion;
+}
-GdkRegion *wxRegion::GetRegion(void) const
+wxRegionContain wxRegion::Contains(const wxPoint& pt) const
{
- return M_REGIONDATA->m_region;
-};
+ 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() const
+{
+ return M_REGIONDATA->m_region;
+}
+
+wxList *wxRegion::GetRectList() const
+{
+ return &(M_REGIONDATA->m_rects);
+}
+
+//-----------------------------------------------------------------------------
+// wxRegion
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator,wxObject);
+
+wxRegionIterator::wxRegionIterator()
+{
+ 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 () const
+{
+ return m_current < m_region.GetRectList()->Number();
+}
+
+bool wxRegionIterator::HaveRects() const
+{
+ return m_current < m_region.GetRectList()->Number();
+}
+
+void wxRegionIterator::operator ++ ()
+{
+ if (m_current < m_region.GetRectList()->Number()) ++m_current;
+}
+
+void wxRegionIterator::operator ++ (int)
+{
+ if (m_current < m_region.GetRectList()->Number()) ++m_current;
+}
+
+wxCoord wxRegionIterator::GetX() const
+{
+ wxNode *node = m_region.GetRectList()->Nth( m_current );
+ if (!node) return 0;
+ wxRect *r = (wxRect*)node->Data();
+ return r->x;
+}
+
+wxCoord wxRegionIterator::GetY() const
+{
+ wxNode *node = m_region.GetRectList()->Nth( m_current );
+ if (!node) return 0;
+ wxRect *r = (wxRect*)node->Data();
+ return r->y;
+}
+
+wxCoord wxRegionIterator::GetW() const
+{
+ wxNode *node = m_region.GetRectList()->Nth( m_current );
+ if (!node) return 0;
+ wxRect *r = (wxRect*)node->Data();
+ return r->width;
+}
+
+wxCoord wxRegionIterator::GetH() const
+{
+ wxNode *node = m_region.GetRectList()->Nth( m_current );
+ if (!node) return 0;
+ wxRect *r = (wxRect*)node->Data();
+ return r->height;
+}
+
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