Improve board canvas

src/game_tab/left_panel/board/BoardCanvas.cpp

@@ -19,12 +19,22 @@ BoardCanvas::BoardCanvas(wxFrame *parent)
   adata.duration=5000;
   adata.duration_fast=80;
   adata.fps=30;
+  adata.buffer=new wxBitmap(500,500,32);
   // Let GameTableLeftPanel process keyboard events:
   Bind(wxEVT_KEY_DOWN, [p=this](wxKeyEvent &e){e.ResumePropagation(1);e.Skip();});
   Bind(wxEVT_KEY_UP, [p=this](wxKeyEvent &e){e.ResumePropagation(1);e.Skip();});
   Bind(wxEVT_PAINT, &BoardCanvas::OnPaint, this);
-  //Bind(wxEVT_IDLE, [p=this](wxIdleEvent& event){p->Refresh();p->Update();});
+  Bind(wxEVT_SIZE, &BoardCanvas::OnResize, this);
+}
 
+void BoardCanvas::OnResize(wxSizeEvent &e){
+  wxSize size=e.GetSize();
+  if(size.x>100 && size.y>100){
+    // Setup buffer (use for animations)
+    if(adata.buffer!=nullptr)
+      free(adata.buffer);
+    adata.buffer=new wxBitmap(size.x,size.y,32);
+  }
 }
 
 BoardCanvas::~BoardCanvas() {
@@ -46,8 +56,6 @@ BoardCanvas::BoardCanvas(wxFrame *parent, std::uint32_t square_width,
 void BoardCanvas::OnPaint(wxPaintEvent &event) {
   wxBufferedPaintDC dc(this);
   dc.SetBackground(*wxWHITE_BRUSH);
-  dc.Clear();
-    wxLogDebug("lll");
 
   if(!adata.reuseBuffer){
     // Setting up required attributes
@@ -60,12 +68,8 @@ void BoardCanvas::OnPaint(wxPaintEvent &event) {
       boardX = 0;
     if (boardY > canvas_size.y)
       boardY = 0;
-
-    // Setup buffer (later use for animations)
-    if(adata.buffer!=nullptr)
-      free(adata.buffer);
-    adata.buffer=new wxBitmap(canvas_size.x,canvas_size.y,32);
     wxMemoryDC memDC(*adata.buffer);
+    memDC.Clear();
     DrawBoard(memDC);
     dc.Blit(0,0,canvas_size.x,canvas_size.y,(wxDC*)&memDC,0,0);
   }
@@ -77,8 +81,7 @@ void BoardCanvas::OnPaint(wxPaintEvent &event) {
     dc.DrawBitmap(*t->Get(adata.piece_moved), 
     adata.src.x + adata.frame*(adata.transVect.x/adata.frames), 
     adata.src.y + adata.frame*(adata.transVect.y/adata.frames), false);
-    wxLogDebug("Here: %d",(int)adata.src.y + adata.frame*(adata.transVect.y/adata.frames));
-    // end drawing
+    // End drawing
     adata.frame++;
   }
 }
@@ -390,7 +393,8 @@ void BoardCanvas::MouseEvent(wxMouseEvent &event) {
 }
 
 void BoardCanvas::Zoom(std::int32_t zoom) {
-  t->Zoom(zoom);
+  if(!t->Zoom(zoom))
+    return;
   t_captures->ResizePieces(t->GetPiecesSizes() * CAPTURE_FACTOR);
   Refresh();
 }

src/game_tab/left_panel/board/BoardCanvas.hpp

@@ -89,6 +89,7 @@ public:
   void MouseEvent(wxMouseEvent &event);
   void Zoom(std::int32_t zoom);
   void Swap();
+  void OnResize(wxSizeEvent &e);
   void SetupBoard(std::string board, bool is_black_turn,
                   std::map<char, std::uint8_t> captures,
                   std::string white_player, std::string black_player);

src/game_tab/left_panel/board/Theme.cpp

@@ -130,10 +130,13 @@ void Theme::ResizeSquares(std::uint32_t width) {
   skin_scaled['3']->SetMask(RoundedMask(width, 3));
 }
 
-void Theme::Zoom(int amount) {
+bool Theme::Zoom(int amount) {
   double width = skin_scaled['s']->GetWidth() + amount;
+  if(width<=20)
+    return false;
   ResizeSquares(std::max(width, 1.0));
   ResizePieces(std::max(width * PIECE_SIZE_FACTOR, 1.0));
+  return true;
 }
 
 void Theme::SetSquareRadius(std::uint8_t radius) {

src/game_tab/left_panel/board/Theme.hpp

@@ -29,7 +29,7 @@ public:
   void ResizeSquaresAndPieces(std::uint32_t width);
   void SetSquareRadius(std::uint8_t radius);
   std::uint8_t GetSquareRadius();
-  void Zoom(int amount);
+  bool Zoom(int amount);
   double GetPiecesSizes();
   double GetSquaresSizes();