X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b229c8a9112ff3ecbf5b05c3c5469ade34517a9c..28169f14ec80f07874464412c72d7523a7768d81:/src/motif/utils.cpp

diff --git a/src/motif/utils.cpp b/src/motif/utils.cpp
index b9ddd16c51..56c48759cb 100644
--- a/src/motif/utils.cpp
+++ b/src/motif/utils.cpp
@@ -25,7 +25,8 @@
 #include "wx/app.h"
 #include "wx/msgdlg.h"
 #include "wx/cursor.h"
-#include "wx/window.h" // for wxTopLevelWindows
+#include "wx/dcmemory.h"
+#include "wx/bitmap.h"
 
 #include <ctype.h>
 #include <stdarg.h>
@@ -1235,3 +1236,30 @@ XmString wxStringToXmString( const char* str )
 {
     return XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
 }
+
+// ----------------------------------------------------------------------------
+// wxBitmap utility functions
+// ----------------------------------------------------------------------------
+
+// Creates a bitmap with transparent areas drawn in
+// the given colour.
+wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour)
+{
+    wxBitmap newBitmap(bitmap.GetWidth(),
+                       bitmap.GetHeight(),
+                       bitmap.GetDepth());
+    wxMemoryDC destDC;
+    wxMemoryDC srcDC;
+
+    srcDC.SelectObject(bitmap);
+    destDC.SelectObject(newBitmap);
+
+    wxBrush brush(colour, wxSOLID);
+    // destDC.SetOptimization(FALSE);
+    destDC.SetBackground(brush);
+    destDC.Clear();
+    destDC.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(),
+                &srcDC, 0, 0, wxCOPY, TRUE);
+
+    return newBitmap;
+}