X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f772729b7cb4c851334dd674d8f754ca408d73d4..e6ba38871f6cc5c02391c04e37e481d0428cef3f:/src/msw/graphics.cpp?ds=sidebyside

diff --git a/src/msw/graphics.cpp b/src/msw/graphics.cpp
index 9d8aac3fbd..a25d643ccd 100644
--- a/src/msw/graphics.cpp
+++ b/src/msw/graphics.cpp
@@ -328,6 +328,7 @@ public:
         wxDouble *descent, wxDouble *externalLeading ) const;
     virtual void GetPartialTextExtents(const wxString& text, wxArrayDouble& widths) const;
     virtual bool ShouldOffset() const;
+    virtual void GetSize( wxDouble* width, wxDouble *height );
 
 private:
     void    Init();
@@ -1261,7 +1262,9 @@ void wxGDIPlusContext::DrawIcon( const wxIcon &icon, wxDouble x, wxDouble y, wxD
 
 void wxGDIPlusContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
 {
-    if ( m_font.IsNull() || str.IsEmpty())
+    wxCHECK_RET( !m_font.IsNull(), wxT("wxGDIPlusContext::DrawText - no valid font set") );
+
+    if ( str.IsEmpty())
         return ;
 
     wxWCharBuffer s = str.wc_str( *wxConvUI );
@@ -1272,6 +1275,8 @@ void wxGDIPlusContext::DrawText( const wxString &str, wxDouble x, wxDouble y )
 void wxGDIPlusContext::GetTextExtent( const wxString &str, wxDouble *width, wxDouble *height,
                                      wxDouble *descent, wxDouble *externalLeading ) const
 {
+    wxCHECK_RET( !m_font.IsNull(), wxT("wxGDIPlusContext::GetTextExtent - no valid font set") );
+
     wxWCharBuffer s = str.wc_str( *wxConvUI );
     FontFamily ffamily ;
     Font* f = ((wxGDIPlusFontData*)m_font.GetRefData())->GetGDIPlusFont();
@@ -1317,6 +1322,8 @@ void wxGDIPlusContext::GetPartialTextExtents(const wxString& text, wxArrayDouble
     widths.Empty();
     widths.Add(0, text.length());
 
+    wxCHECK_RET( !m_font.IsNull(), wxT("wxGDIPlusContext::GetPartialTextExtents - no valid font set") );
+
     if (text.empty())
         return;
 
@@ -1383,6 +1390,15 @@ wxGraphicsMatrix wxGDIPlusContext::GetTransform() const
     m_context->GetTransform((Matrix*) matrix.GetNativeMatrix());
     return matrix;
 }
+
+void wxGDIPlusContext::GetSize( wxDouble* width, wxDouble *height )
+{
+    if ( width )
+        *width = ::GetDeviceCaps(m_context->GetHDC(), HORZRES);
+    if ( height )
+        *height = ::GetDeviceCaps(m_context->GetHDC(), VERTRES);
+
+}
 //-----------------------------------------------------------------------------
 // wxGDIPlusRenderer declaration
 //-----------------------------------------------------------------------------