fixed VC++ warning

[wxWidgets.git] / src / msw / region.cpp

diff --git a/src/msw/region.cpp b/src/msw/region.cpp
index 0e1cab3ea99bad532d9a70f9eb30ca9cdfa2fa5e..0d1b81aacee2528d0bbf7790c7b86afe275d5902 100644 (file)
--- a/src/msw/region.cpp
+++ b/src/msw/region.cpp
@@ -26,8 +26,8 @@
 #include "wx/window.h"
 #include "wx/msw/private.h"
 
-    IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
-    IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
 
 //-----------------------------------------------------------------------------
 // wxRegionRefData implementation
@@ -43,7 +43,7 @@ public:
 
     wxRegionRefData(const wxRegionRefData& data)
     {
-#if defined(__WIN32__)
+#if defined(__WIN32__) && !defined(__WXMICROWIN__)
         DWORD noBytes = ::GetRegionData(data.m_region, 0, NULL);
         RGNDATA *rgnData = (RGNDATA*) new char[noBytes];
         ::GetRegionData(data.m_region, noBytes, rgnData);
@@ -76,8 +76,7 @@ public:
  */
 wxRegion::wxRegion()
 {
-    m_refData = new wxRegionRefData;
-    M_REGION = ::CreateRectRgn(0, 0, 0, 0);
+    m_refData = (wxRegionRefData *)NULL;
 }
 
 wxRegion::wxRegion(WXHRGN hRegion)
@@ -101,7 +100,18 @@ wxRegion::wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight)
 wxRegion::wxRegion(const wxRect& rect)
 {
     m_refData = new wxRegionRefData;
-    M_REGION = ::CreateRectRgn(rect.GetLeft(), rect.GetTop(), rect.GetRight(), rect.GetBottom());
+    M_REGION = ::CreateRectRgn(rect.x, rect.y, rect.x + rect.width, rect.y + rect.height);
+}
+
+wxRegion::wxRegion(size_t n, const wxPoint *points, int fillStyle)
+{
+    m_refData = new wxRegionRefData;
+    M_REGION = ::CreatePolygonRgn
+               (
+                    (POINT*)points,
+                    n,
+                    fillStyle == wxODDEVEN_RULE ? ALTERNATE : WINDING
+               );
 }
 
 /*
@@ -198,14 +208,17 @@ bool wxRegion::Combine(const wxRect& rect, wxRegionOp op)
 // Outer bounds of region
 void wxRegion::GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const
 {
-    if (m_refData) {
+    if (m_refData)
+    {
         RECT rect;
         ::GetRgnBox(M_REGION, & rect);
         x = rect.left;
         y = rect.top;
         w = rect.right - rect.left;
         h = rect.bottom - rect.top;
-    } else {
+    }
+    else
+    {
         x = y = w = h = 0;
     }
 }
@@ -220,12 +233,10 @@ wxRect wxRegion::GetBox() const
 // Is region empty?
 bool wxRegion::Empty() const
 {
-    if (M_REGION == 0)
-        return TRUE;
     wxCoord x, y, w, h;
     GetBox(x, y, w, h);
 
-    return ((w == 0) && (h == 0));
+    return (w == 0) && (h == 0);
 }
 
 //-----------------------------------------------------------------------------