// default bg colour is pne of the window
SetBackground(wxBrush(m_canvas->GetBackgroundColour(), wxSOLID));
+
+ // since we are a window dc we need to grab the palette from the window
+#if wxUSE_PALETTE
+ InitializePalette();
+#endif
+}
+
+void wxWindowDC::DoGetSize(int *width, int *height) const
+{
+ wxCHECK_RET( m_canvas, _T("wxWindowDC without a window?") );
+
+ m_canvas->GetSize(width, height);
}
// ----------------------------------------------------------------------------
{
}
+void wxClientDC::DoGetSize(int *width, int *height) const
+{
+ wxCHECK_RET( m_canvas, _T("wxClientDC without a window?") );
+
+ m_canvas->GetClientSize(width, height);
+}
+
// ----------------------------------------------------------------------------
// wxPaintDC
// ----------------------------------------------------------------------------
else // not in cache, create a new one
{
m_hDC = (WXHDC)::BeginPaint(GetHwndOf(m_canvas), &g_paintStruct);
- ms_cache.Add(new wxPaintDCInfo(m_canvas, this));
+ if (m_hDC)
+ ms_cache.Add(new wxPaintDCInfo(m_canvas, this));
}
- // (re)set the DC parameters
- InitDC();
+ // (re)set the DC parameters.
+ // Note: at this point m_hDC can be NULL under MicroWindows, when dragging.
+ if (GetHDC())
+ InitDC();
}
wxPaintDC::~wxPaintDC()
{
::EndPaint(GetHwndOf(m_canvas), &g_paintStruct);
- ms_cache.Remove(index);
+ ms_cache.RemoveAt(index);
// Reduce the number of bogus reports of non-freed memory
// at app exit
size_t nCache = ms_cache.GetCount();
for ( size_t n = 0; n < nCache; n++ )
{
- info = &ms_cache[n];
- if ( info->hwnd == m_canvas->GetHWND() )
+ wxPaintDCInfo *info1 = &ms_cache[n];
+ if ( info1->hwnd == m_canvas->GetHWND() )
{
+ info = info1;
if ( index )
*index = n;
break;