Switch to buffered DC

2 files changed, 8 insertions, 3 deletions

diff --git a/src/game_tab/left_panel/board/BoardCanvas.cpp b/src/game_tab/left_panel/board/BoardCanvas.cpp
index 4b5f3fb..fec281e 100644
--- a/src/game_tab/left_panel/board/BoardCanvas.cpp
+++ b/src/game_tab/left_panel/board/BoardCanvas.cpp
@@ -12,6 +12,8 @@ BoardCanvas::BoardCanvas(wxFrame *parent)
   SetClockTime(-1, -1, -1, false);
   SetClockTime(-1, -1, -1, true);
   ApplyPreferences();
+  // The following should be called when using an EVT_PAINT handler
+  SetBackgroundStyle(wxBG_STYLE_PAINT);
 }
 
 BoardCanvas::~BoardCanvas() {
@@ -29,7 +31,9 @@ BoardCanvas::BoardCanvas(wxFrame *parent, std::uint32_t square_width,
 }
 
 void BoardCanvas::OnPaint(wxPaintEvent &event) {
-  wxPaintDC dc(this);
+  wxBufferedPaintDC dc(this);
+  dc.SetBackground(*wxWHITE_BRUSH);
+  dc.Clear();
   REFRESH_MOUSE_LOCATION();
   square_width = t->GetSquaresSizes();
   canvas_size = dc.GetSize();
@@ -72,7 +76,7 @@ void BoardCanvas::SetupBoard(std::string board, bool is_black_turn,
   Refresh();
 }
 
-void BoardCanvas::DrawBoard(wxPaintDC &dc) {
+void BoardCanvas::DrawBoard(wxBufferedPaintDC &dc) {
   std::uint32_t piece_width = t->GetPiecesSizes();
   std::uint32_t centrer_offset = (square_width - piece_width) / 2;
 
diff --git a/src/game_tab/left_panel/board/BoardCanvas.hpp b/src/game_tab/left_panel/board/BoardCanvas.hpp
index 83c960a..7645414 100644
--- a/src/game_tab/left_panel/board/BoardCanvas.hpp
+++ b/src/game_tab/left_panel/board/BoardCanvas.hpp
@@ -7,6 +7,7 @@
 #include <utility>
 #include <vector>
 #include <wx/artprov.h>
+#include <wx/dcbuffer.h>
 
 // Local events
 wxDECLARE_EVENT(PLAY_MOVE_EVENT, wxCommandEvent);
@@ -56,7 +57,7 @@ public:
   BoardCanvas(wxFrame *parent,std::uint32_t square_width, bool frozen);
   ~BoardCanvas();
   void ApplyPreferences();
-  void DrawBoard(wxPaintDC &dc);
+  void DrawBoard(wxBufferedPaintDC &dc);
   void OnPaint(wxPaintEvent &event);
   void OnKeyEvent(wxKeyEvent &event);
   void MouseEvent(wxMouseEvent &event);