X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1e6feb95a79834836e88143b15d9f424ebe79621..88594d02eb59a55ac85d3210a49d02918124617b:/src/gtk/dcclient.cpp

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index 0d0376f8e0..f01f370d2e 100644
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -1090,7 +1090,8 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
                          wxDC *source,
                          wxCoord xsrc, wxCoord ysrc,
                          int logical_func,
-                         bool useMask )
+                         bool useMask,
+                         wxCoord xsrcMask, wxCoord ysrcMask )
 {
    /* this is the nth try to get this utterly useless function to
       work. it now completely ignores the scaling or translation
@@ -1115,6 +1116,12 @@ bool wxWindowDC::DoBlit( wxCoord xdest, wxCoord ydest,
     bool use_bitmap_method = FALSE;
     bool is_mono = FALSE;
 
+    /* TODO: use the mask origin when drawing transparently */
+    if (xsrcMask == -1 && ysrcMask == -1)
+    {
+        xsrcMask = xsrc; ysrcMask = ysrc;
+    }
+
     if (srcDC->m_isMemDC)
     {
         if (!memDC->m_selected.Ok()) return FALSE;
@@ -1367,8 +1374,8 @@ void wxWindowDC::DoDrawText( const wxString &text, wxCoord x, wxCoord y )
 #else
     wxCoord width = gdk_string_width( font, text.mbc_str() );
     wxCoord height = font->ascent + font->descent;
-    /* CMB 21/5/98: draw text background if mode is wxSOLID */
-    if (m_backgroundMode == wxSOLID)
+
+    if ( m_backgroundMode == wxSOLID )
     {
         gdk_gc_set_foreground( m_textGC, m_textBackgroundColour.GetColor() );
         gdk_draw_rectangle( m_window, m_textGC, TRUE, x, y, width, height );
@@ -1871,30 +1878,36 @@ void wxWindowDC::SetTextForeground( const wxColour &col )
 {
     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 
-    if (m_textForegroundColour == col) return;
+    // don't set m_textForegroundColour to an invalid colour as we'd crash
+    // later then (we use m_textForegroundColour.GetColor() without checking
+    // in a few places)
+    if ( !col.Ok() || (m_textForegroundColour == col) )
+        return;
 
     m_textForegroundColour = col;
-    if (!m_textForegroundColour.Ok()) return;
-
-    if (!m_window) return;
 
-    m_textForegroundColour.CalcPixel( m_cmap );
-    gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+    if ( m_window )
+    {
+        m_textForegroundColour.CalcPixel( m_cmap );
+        gdk_gc_set_foreground( m_textGC, m_textForegroundColour.GetColor() );
+    }
 }
 
 void wxWindowDC::SetTextBackground( const wxColour &col )
 {
     wxCHECK_RET( Ok(), wxT("invalid window dc") );
 
-    if (m_textBackgroundColour == col) return;
+    // same as above
+    if ( !col.Ok() || (m_textBackgroundColour == col) )
+        return;
 
     m_textBackgroundColour = col;
-    if (!m_textBackgroundColour.Ok()) return;
 
-    if (!m_window) return;
-
-    m_textBackgroundColour.CalcPixel( m_cmap );
-    gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+    if ( m_window )
+    {
+        m_textBackgroundColour.CalcPixel( m_cmap );
+        gdk_gc_set_background( m_textGC, m_textBackgroundColour.GetColor() );
+    }
 }
 
 void wxWindowDC::SetBackgroundMode( int mode )
@@ -2102,6 +2115,8 @@ IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
 wxClientDC::wxClientDC( wxWindow *win )
           : wxWindowDC( win )
 {
+    wxCHECK_RET( win, _T("NULL window in wxClientDC::wxClientDC") );
+
 #ifdef __WXUNIVERSAL__
     wxPoint ptOrigin = win->GetClientAreaOrigin();
     SetDeviceOrigin(ptOrigin.x, ptOrigin.y);
@@ -2110,6 +2125,13 @@ wxClientDC::wxClientDC( wxWindow *win )
 #endif // __WXUNIVERSAL__
 }
 
+void wxClientDC::DoGetSize(int *width, int *height) const
+{
+    wxCHECK_RET( m_owner, _T("GetSize() doesn't work without window") );
+
+    m_owner->GetClientSize( width, height );
+}
+
 // ----------------------------------------------------------------------------
 // wxDCModule
 // ----------------------------------------------------------------------------