don't append anything back in DoDeleteOneItem() if the control becomes empty (fixes...

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

diff --git a/src/msw/bitmap.cpp b/src/msw/bitmap.cpp
index 875fe9ff6aa287c040551cd2ff1043c1b741a080..222cb4c40bac7a91456e7ebf557a32ef8ef8e43d 100644 (file)
--- a/src/msw/bitmap.cpp
+++ b/src/msw/bitmap.cpp
@@ -211,7 +211,7 @@ wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data)
         m_bitmapMask = new wxMask(*data.m_bitmapMask);
 
     // FIXME: we don't copy m_hBitmap currently but we should, see wxBitmap::
-    //        CloneRefData()
+    //        CloneGDIRefData()
 
     wxASSERT_MSG( !data.m_isDIB,
                     _T("can't copy bitmap locked for raw access!") );
@@ -250,7 +250,7 @@ wxGDIImageRefData *wxBitmap::CreateData() const
     return new wxBitmapRefData;
 }
 
-wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *dataOrig) const
+wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *dataOrig) const
 {
     const wxBitmapRefData *
         data = wx_static_cast(const wxBitmapRefData *, dataOrig);
@@ -277,16 +277,17 @@ wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *dataOrig) const
         self->m_refData = new wxBitmapRefData(*data);
     }
 
+    wxBitmapRefData * const
+        selfdata = wx_static_cast(wxBitmapRefData *, m_refData);
+
     // copy also the mask
     wxMask * const maskSrc = data->GetMask();
     if ( maskSrc )
     {
-        wxBitmapRefData *selfdata = wx_static_cast(wxBitmapRefData *, m_refData);
-
         selfdata->SetMask(new wxMask(*maskSrc));
     }
 
-    return m_refData;
+    return selfdata;
 }
 
 bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon,
@@ -535,9 +536,14 @@ bool wxBitmap::Create(int width, int height, int depth)
 
 bool wxBitmap::Create(int width, int height, const wxDC& dc)
 {
-    wxCHECK_MSG( dc.Ok(), false, _T("invalid HDC in wxBitmap::Create()") );
+    wxCHECK_MSG( dc.IsOk(), false, _T("invalid HDC in wxBitmap::Create()") );
 
-    return DoCreate(width, height, -1, dc.GetHDC());
+    const wxMSWDCImpl *impl = wxDynamicCast( dc.GetImpl(), wxMSWDCImpl );
+    
+    if (impl)
+        return DoCreate(width, height, -1, impl->GetHDC());
+    else
+        return false;
 }
 
 bool wxBitmap::DoCreate(int w, int h, int d, WXHDC hdc)
@@ -805,10 +811,15 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
 
 bool wxBitmap::CreateFromImage(const wxImage& image, const wxDC& dc)
 {
-    wxCHECK_MSG( dc.Ok(), false,
+    wxCHECK_MSG( dc.IsOk(), false,
                     _T("invalid HDC in wxBitmap::CreateFromImage()") );
 
-    return CreateFromImage(image, -1, dc.GetHDC());
+    const wxMSWDCImpl *impl = wxDynamicCast( dc.GetImpl(), wxMSWDCImpl );
+    
+    if (impl)
+        return CreateFromImage(image, -1, impl->GetHDC());
+    else
+        return false;
 }
 
 #if wxUSE_WXDIB
@@ -1089,8 +1100,14 @@ bool wxBitmap::SaveFile(const wxString& filename,
 // ----------------------------------------------------------------------------
 // sub bitmap extraction
 // ----------------------------------------------------------------------------
+wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect ) const
+{
+        MemoryHDC dcSrc;
+        SelectInHDC selectSrc(dcSrc, GetHbitmap());
+        return GetSubBitmapOfHDC( rect, (WXHDC)dcSrc );
+}
 
-wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
+wxBitmap wxBitmap::GetSubBitmapOfHDC( const wxRect& rect, WXHDC hdc ) const
 {
     wxCHECK_MSG( Ok() &&
                  (rect.x >= 0) && (rect.y >= 0) &&
@@ -1111,16 +1128,15 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
               dcDst;
 
     {
-        SelectInHDC selectSrc(dcSrc, GetHbitmap()),
-                    selectDst(dcDst, GetHbitmapOf(ret));
-
-        if ( !selectSrc || !selectDst )
+        SelectInHDC selectDst(dcDst, GetHbitmapOf(ret));
+               
+        if ( !selectDst )
         {
-            wxLogLastError(_T("SelectObjct(hBitmap)"));
+            wxLogLastError(_T("SelectObject(destBitmap)"));
         }
 
         if ( !::BitBlt(dcDst, 0, 0, rect.width, rect.height,
-                       dcSrc, rect.x, rect.y, SRCCOPY) )
+                       (HDC)hdc, rect.x, rect.y, SRCCOPY) )
         {
             wxLogLastError(_T("BitBlt"));
         }