Forced paint buffer to 24 bit, avoiding slow path for alpha blits.

aetherxx · Jun 12, 2016 · c5fb4d0 · c5fb4d0
1 parent a0df2f3
commit c5fb4d0
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/README.md b/README.md
@@ -32,8 +32,6 @@ Windows:
 - Make sure your wxWidgets folder sits parallel to the src folder, that way the TreeSheets project will pick
   it up without further modifications
 - (if from git): copy include\wx\msw\setup0.h to include\wx\msw\setup.h
-- (on Windows): comment out the big ifdef inside src/msw/dc.cpp/AlphaBlt.
-  see: http://trac.wxwidgets.org/ticket/14403
 - Inside wxWidgets/build/msw, open wx_vc14.sln with Visual Studio 2015
 - Select all projects in the solution explorer, and go to properties:
   Set configuration to debug,   and C/C++ -> Code Generation -> Runtime library

diff --git a/src/mycanvas.h b/src/mycanvas.h
@@ -30,7 +30,9 @@ struct TSCanvas : public wxScrolledWindow
 
     void OnPaint(wxPaintEvent &event)
     {
-        wxAutoBufferedPaintDC dc(this);
+        auto sz = GetClientSize();
+        wxBitmap buffer(sz.GetX(), sz.GetY(), 24);
+        wxBufferedPaintDC dc(this, buffer);
         // DoPrepareDC(dc);
         doc->Draw(dc);
     };