1. DoSetSize() simplified, DoGetBestSize() introduced

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

diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index a7b088cb0e630c4f42b12766eea485f893e8104c..c5c2a08b642df42bb23d5dd13d3abd3767efbf62 100644 (file)
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -295,14 +295,19 @@ int wxDC::GetDepth() const
 void wxDC::Clear()
 {
     RECT rect;
-    if (m_canvas)
+    if ( m_canvas )
+    {
         GetClientRect((HWND) m_canvas->GetHWND(), &rect);
-    else if (m_selectedBitmap.Ok())
+    }
+    else
     {
+        wxCHECK_RET( m_selectedBitmap.Ok(), _T("this DC can't be cleared") );
+
         rect.left = 0; rect.top = 0;
         rect.right = m_selectedBitmap.GetWidth();
         rect.bottom = m_selectedBitmap.GetHeight();
     }
+
     (void) ::SetMapMode(GetHdc(), MM_TEXT);
 
     DWORD colour = GetBkColor(GetHdc());
@@ -680,7 +685,7 @@ void wxDC::DoDrawText(const wxString& text, long x, long y)
     else
         SetBkMode(GetHdc(), OPAQUE);
 
-    (void)TextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), (char *) (const char *)text, strlen((const char *)text));
+    (void)TextOut(GetHdc(), XLOG2DEV(x), YLOG2DEV(y), WXSTRINGCAST text, wxStrlen(WXSTRINGCAST text));
 
     if (m_textBackgroundColour.Ok())
         (void)SetBkColor(GetHdc(), old_background);
@@ -755,7 +760,7 @@ void wxDC::SetFont(const wxFont& the_font)
         HFONT f = (HFONT) ::SelectObject(GetHdc(), (HFONT) m_font.GetResourceHandle());
         if (f == (HFONT) NULL)
         {
-            wxLogDebug("::SelectObject failed in wxDC::SetFont.");
+            wxLogDebug(_T("::SelectObject failed in wxDC::SetFont."));
         }
         if (!m_oldFont)
             m_oldFont = (WXHFONT) f;
@@ -962,7 +967,7 @@ void wxDC::GetTextExtent(const wxString& string, long *x, long *y,
     SIZE sizeRect;
     TEXTMETRIC tm;
 
-    GetTextExtentPoint(GetHdc(), (char *)(const char *) string, strlen((char *)(const char *) string), &sizeRect);
+    GetTextExtentPoint(GetHdc(), WXSTRINGCAST string, wxStrlen(WXSTRINGCAST string), &sizeRect);
     GetTextMetrics(GetHdc(), &tm);
 
     if (x) *x = XDEV2LOGREL(sizeRect.cx);