Initial revision

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/region.cpp

@@ -0,0 +1,253 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        region.cpp
+// Purpose:
+// Author:      Robert Roebling
+// Created:     01/02/98
+// Id:
+// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+#ifdef __GNUG__
+#pragma implementation "region.h"
+#endif
+
+#include "wx/region.h"
+
+//-----------------------------------------------------------------------------
+// wxRegion
+//-----------------------------------------------------------------------------
+
+class wxRegionRefData: public wxObjectRefData
+{
+  public:
+  
+    wxRegionRefData(void);
+    ~wxRegionRefData(void);
+  
+  public:    
+
+    GdkRegion  *m_region;
+};
+
+wxRegionRefData::wxRegionRefData(void)
+{
+  m_region = NULL;
+};
+
+wxRegionRefData::~wxRegionRefData(void)
+{
+  if (m_region) gdk_region_destroy( m_region );
+};
+
+//-----------------------------------------------------------------------------
+
+#define M_REGIONDATA ((wxRegionRefData *)m_refData)
+
+IMPLEMENT_DYNAMIC_CLASS(wxRegion,wxGDIObject);
+  
+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 );
+};
+
+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 );
+};
+
+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 );
+};
+
+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 )
+{
+  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;
+};
+
+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;
+};
+
+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;
+};
+
+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 )
+{
+  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;
+};
+
+bool wxRegion::Subtract( const wxRect& rect )
+{
+  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;
+};
+
+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;
+  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
+{
+  return wxRect( 0, 0, -1, -1 );
+};
+
+bool wxRegion::Empty(void) const
+{
+  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;
+};
+
+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;
+};
+
+GdkRegion *wxRegion::GetRegion(void) const
+{
+  return M_REGIONDATA->m_region;
+};
+