void OnContentViewSizeChanged(object sender, EventArgs args)
{
ContentView contentView = (ContentView)sender;
WindowWidth = contentView.Width;
WindowHeight = contentView.Height;
if (WindowWidth <= 0 || WindowHeight <= 0)
{
return;
}
// Orient StackLayout based on portrait/landscape mode.
stackLayout.Orientation = (WindowWidth < WindowHeight) ? StackOrientation.Vertical :
StackOrientation.Horizontal;
// Calculate tile size and position based on ContentView size.
tileSize = Math.Min(WindowWidth, WindowHeight) / Math.Min(Rows, Cols);
absoluteLayout.WidthRequest = Cols * tileSize;
absoluteLayout.HeightRequest = Rows * tileSize;
foreach (View view in absoluteLayout.Children)
{
PhotoHalfPairTile tile = (PhotoHalfPairTile)view;
tile.InvalidSurfaceState();
// Set tile bounds.
AbsoluteLayout.SetLayoutBounds(tile,
new Rectangle(tile.Col * tileSize, tile.Row * tileSize, tileSize, tileSize));
}
}
private async void ExecuteRotation(PhotoHalfPairTile tmp)
{
const float degreeStep = 15.0f;
const int delayMicrosecond = 15;
_Busy.Take(tmp);
tmp.IsRotating = true;
tmp.Flipped = true;
while (tmp.Deg <= 90 - degreeStep)
{
await Task.Delay(delayMicrosecond);
await Device.InvokeOnMainThreadAsync(() => tmp.Deg = tmp.Deg + degreeStep);
}
while (tmp.Deg >= 0 + degreeStep)
{
await Task.Delay(delayMicrosecond);
await Device.InvokeOnMainThreadAsync(() => tmp.Deg = tmp.Deg - degreeStep);
}
tmp.Deg = 0;
tmp.IsRotating = false;
if (_Busy.State.Equals(BusyStates.Filled) || _Busy.State.Equals(BusyStates.Right))
{
int SRow = _Busy.Second.Row;
int SCol = _Busy.Second.Col;
while (tmp.IsRotating || tiles[SRow][SCol].IsRotating)
{
continue;
}
}
if (_Busy.State.Equals(BusyStates.Right))
{
ConfigEventArgs args = new ConfigEventArgs
{
FRow = _Busy.First.Row,
FCol = _Busy.First.Col,
SRow = _Busy.Second.Row,
SCol = _Busy.Second.Col
};
RightConfiguration?.Invoke(this, args);
}
if (_Busy.State.Equals(BusyStates.Filled))
{
ConfigEventArgs args = new ConfigEventArgs
{
FRow = _Busy.First.Row,
FCol = _Busy.First.Col,
SRow = _Busy.Second.Row,
SCol = _Busy.Second.Col
};
WrongConfiguration?.Invoke(this, args);
}
}
public PairCardsPage(int row, int col)
{
InitializeComponent();
Rows = row;
Cols = col;
tiles = new PhotoHalfPairTile[row][];
_Busy = new BusyBehavior();
RightConfiguration += OnRightConfiguration;
WrongConfiguration += OnWrongConfiguration;
BackG.Source = ImageSource.FromResource(App.PathToImages + "Pair.pair_background.png");
Init();
}
private void Init()
{
ImInfo = new SKImageInfo(150, 150);
rnd = new Random(DateTime.Now.Millisecond);
List <string> faceImages = new List <string>();
string[] folders = new string[] { "lightblue", "lightgreen", "violet" };
Assembly assembly = GetType().GetTypeInfo().Assembly;
string selected_color = "";
InitSound();
InitCover(assembly, out selected_color);
InitCheckMark(assembly, selected_color);
string frontFolder = "";
if (selected_color == "blue")
{
frontFolder = "lightblue";
}
if (selected_color == "green")
{
frontFolder = "lightgreen";
}
if (selected_color == "violet")
{
frontFolder = "violet";
}
IEnumerable <string> faces = from _tmp_faces_ in assembly.GetManifestResourceNames()
where _tmp_faces_.Contains(frontFolder) && _tmp_faces_.Contains("Faces")
select _tmp_faces_;
for (int i = 0; i < Rows * Cols / 2; i++)
{
faceImages.Add(faces.ElementAt(i));
faceImages.Add(faces.ElementAt(i));
}
Stream frontStream = null;
for (int i = 0; i < Rows; i++)
{
tiles[i] = new PhotoHalfPairTile[Cols];
for (int j = 0; j < Cols; j++)
{
int elem = rnd.Next(faceImages.Count);
string name = faceImages[elem];
faceImages.RemoveAt(elem);
string fullPath = name;
frontStream = assembly.GetManifestResourceStream(fullPath);
SKBitmap front = SKBitmap.Decode(frontStream).Resize(ImInfo, SKFilterQuality.High);
tiles[i][j] = new PhotoHalfPairTile(TileBitmap, front);
tiles[i][j].Row = i;
tiles[i][j].Col = j;
name = Path.GetFileNameWithoutExtension(name);
int lInd = name.LastIndexOf('.');
name = name.Substring(lInd + 1);
tiles[i][j].FrontBitmapName = name;
TapGestureRecognizer tgr = new TapGestureRecognizer();
tgr.CommandParameter = tiles[i][j];
tgr.Command = new Command <PhotoHalfPairTile>(ExecuteRotation, CanExecuteRotation);
tiles[i][j].AddGestureRecognizer(tgr);
absoluteLayout.Children.Add(tiles[i][j]);
frontStream.Close();
}
}
}