removed assert which could be provoked by correct code

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

diff --git a/src/mac/dc.cpp b/src/mac/dc.cpp
index acad87440d2c876e6f80bce00e957ce6ddc59faf..f4bf8ea95c72269bdc1947e08f90faed117f3efd 100644 (file)
--- a/src/mac/dc.cpp
+++ b/src/mac/dc.cpp
@@ -38,7 +38,7 @@ IMPLEMENT_ABSTRACT_CLASS(wxDC, wxObject)
 #define twips2mm               0.0176388888889
 #define mm2pt                  2.83464566929
 #define pt2mm                  0.352777777778
-#ifndef __UNIX__
+#ifndef __DARWIN__
 const double M_PI = 3.14159265358979 ;
 #endif
 const double RAD2DEG  = 180.0 / M_PI;
@@ -944,12 +944,19 @@ bool  wxDC::CanDrawBitmap(void) const
 
 
 bool  wxDC::DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
-                        wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask )
+                        wxDC *source, wxCoord xsrc, wxCoord ysrc, int logical_func , bool useMask,
+                        wxCoord xsrcMask,  wxCoord ysrcMask )
 {
     wxCHECK_MSG(Ok(), false, wxT("wxDC::DoBlit Illegal dc"));
     wxCHECK_MSG(source->Ok(), false, wxT("wxDC::DoBlit  Illegal source DC"));
     wxMacPortSetter helper(this) ;
 
+    /* TODO: use the mask origin when drawing transparently */
+    if (xsrcMask == -1 && ysrcMask == -1)
+    {
+        xsrcMask = xsrc; ysrcMask = ysrc;
+    }
+
        CGrafPtr                        sourcePort = (CGrafPtr) source->m_macPort ;
        PixMapHandle    bmappixels =  GetGWorldPixMap( sourcePort ) ; 
        RGBColor        white = { 0xFFFF, 0xFFFF,0xFFFF} ;