public BoardInfo ProcessImage(BoardParameters bp, Pixels pix)
{
BoardInfo boardInfo = null;
boardInfo = new BoardInfo(bp.FieldWidth, bp.FieldHeight);
int halfSize = (int)(bp.BlockSize / 2) + 1;
int[,] circleRadiusData = CalculateRadii((dx, dy) => (int)Math.Sqrt(dx * dx + dy * dy), halfSize);
int[,] squareRadiusData = CalculateRadii((dx, dy) => (int)Math.Max(Math.Abs(dx), Math.Abs(dy)), halfSize);
for (int y = 0; y < bp.FieldHeight; y++)
for (int x = 0; x < bp.FieldWidth; x++)
{
int px = (int)Math.Round(bp.LinedBoardRect.Left + bp.BlockSize * x);
int py = (int)Math.Round(bp.LinedBoardRect.Top + bp.BlockSize * y);
RawColor[] circles = RadiusColor(pix,
new Point(px, py),
circleRadiusData,
2 * halfSize
);
RawColor[] squares = RadiusColor(pix,
new Point(px, py),
squareRadiusData,
2 * halfSize
);
PointInfo info = new PointInfo();
info.StoneColor = GetStoneColor(circles, bp.BlockSize);
info.SmallStoneColor = GetSmallStoneColor(circles, bp.BlockSize);
if (info.SmallStoneColor == info.StoneColor)//Small stone is part of the real stone
info.SmallStoneColor = StoneColor.None;
if (GetCircleMarker(circles, bp.BlockSize, info.StoneColor))
{
if (info.SmallStoneColor != StoneColor.Black)//Can't distinguish circle from small stone
info.Marker = Marker.Circle;
}
if (GetSquareMarker(squares, bp.BlockSize, info.StoneColor))
info.Marker = Marker.Square;
boardInfo.Board[x, y] = info;
}
//MirrorBoardInfo(boardInfo);
return boardInfo;
}
public bool GetBoardParameters(Pixels pix, out BoardParameters bp)
{
bp = new BoardParameters();
bp.BoardRect = System.Drawing.Rectangle.Empty;
bp.LinedBoardRect = System.Drawing.Rectangle.Empty;
bp.FieldHeight = 0;
bp.FieldWidth = 0;
bp.BlockSize = 0;
bp.BoardRect = FindBoard(pix);
if (bp.BoardRect == System.Drawing.Rectangle.Empty)
return false;
float[] grayCols, grayRows;
bp.LinedBoardRect = FindLinedBoard(pix, bp.BoardRect, out grayCols, out grayRows);
double blockWidth, blockHeight;
bool foundLines1 = CalculateFieldPosition(bp.LinedBoardRect.Left, bp.LinedBoardRect.Width, grayCols, out bp.FieldWidth, out blockWidth);
bool foundLines2 = CalculateFieldPosition(bp.LinedBoardRect.Top, bp.LinedBoardRect.Height, grayRows, out bp.FieldHeight, out blockHeight);
if (Math.Abs(blockHeight - blockWidth) > 1)
return false;
bp.BlockSize = (blockHeight + blockWidth) / 2;
return foundLines1 && foundLines2;
}
private Pixels BitmapToPixels(Bitmap bmp)
{
Pixels pix = new Pixels(pixelPool.Alloc(bmp.Width, bmp.Height));
pix.LoadFromBitmap(bmp);
return pix;
}
public void Release(Pixels pix)
{
if (pix.Data != null)
pixelPool.Release(pix.Data);
}
private void timer1_Tick(object sender, EventArgs e)
{
DateTime start0 = DateTime.UtcNow;
if (this.Handle != ScreenCapture.GetForegroundWindow() && goRecorder == null)
windowHandle = ScreenCapture.GetForegroundWindow();
if (windowHandle == IntPtr.Zero)
return;
Window window = new Window(windowHandle);
WindowTitle.Text = window.Title;
if (windowHandle != ScreenCapture.GetForegroundWindow())//Capturing background windows is buggy
return;
Pixels pix = capturer.Capture(windowHandle);
//allocStats.Text = "Alloc:" + capturer.CacheMissAllocs + "/" + capturer.TotalAllocs;
//bmp.Save("ScreenShot.bmp");
if (!Pixels.DataEquals(oldPixels, pix))
{
frameCounter++;
FrameCounterLabel.Text = frameCounter.ToString();
BoardInfo board = null;
ImageToBoardInfo imageToBoardInfo = new ImageToBoardInfo();
if (!(found && pix.Width == size.Width && pix.Height == size.Height))
{
found = imageToBoardInfo.GetBoardParameters(pix, out bp);
size = pix.Size;
}
if (found)
board = imageToBoardInfo.ProcessImage(bp, pix);
if (board != null)
{
if (goRecorder != null)
{
goRecorder.Add(Duration, board);
goRecorder.Replay.Save("Capture.GoVideo");
}
GameState gameState = GoVideoToReplay.BoardToGameState(board);
StateRenderer renderer = new StateRenderer(new GoClient.Drawing.GraphicsSystem());
renderer.BlockSize = 16;
renderer.State = gameState;
Preview.Image = ((GoClient.Drawing.Bitmap)renderer.Render()).InternalBitmap;
}
}
ProcessingTime.Text = TS(DateTime.UtcNow - start0);
timeLabel.Text = TimeSpan.FromSeconds(Math.Round(Duration.TotalSeconds)).ToString();
capturer.Release(oldPixels);
oldPixels = pix;
}
private void start_Click(object sender, EventArgs e)
{
AudioCheckBox.Enabled = false;
RecordButton.Enabled = false;
FinishButton.Enabled = true;
goRecorder = new GoVideoRecorder();
RecordingStart = DateTime.UtcNow;
timeLabel.Text = "Starting...";
frameCounter = 0;
capturer.Release(oldPixels);
oldPixels = Pixels.Null;
if (AudioCheckBox.Checked)
{
audioRecorder = new Recorder(0.3f);
audioRecorder.Paused = false;
}
}
public void Release(Pixels pix)
{
Release(pix.Data);
}
public static Pixels CreateFromBitmap(Bitmap bmp)
{
Pixels pix = new Pixels(bmp.Width, bmp.Height);
pix.LoadFromBitmap(bmp);
return pix;
}
public static bool DataEquals(Pixels pix1, Pixels pix2)
{
if (pix1.Width != pix2.Width || pix1.Height != pix2.Height)
return false;
if (pix1.Data == pix2.Data)
return true;
if (pix1.Data == null || pix2.Data == null)
return false;
int len = pix1.Width * pix1.Height;
for (int i = 0; i < len; i++)
if (pix1.Data[i] != pix2.Data[i])
return false;
return true;
}
RawColor[] RadiusColor(Pixels pix, Point center, int[,] radiusData, int maxRadius)
{
int[] counts = new int[maxRadius + 1];
int[] sumR = new int[maxRadius + 1];
int[] sumG = new int[maxRadius + 1];
int[] sumB = new int[maxRadius + 1];
RawColor[] result = new RawColor[maxRadius + 1];
int halfSize = (radiusData.GetLength(0) - 1) / 2;
int dx = halfSize - center.X;
int dy = halfSize - center.Y;
int left = Math.Max(0, center.X - halfSize);
int top = Math.Max(0, center.Y - halfSize);
int right = Math.Min(pix.Width, center.X + halfSize + 1);
int bottom = Math.Min(pix.Height, center.Y + halfSize + 1);
for (int y = top; y < bottom; y++)
for (int x = left; x < right; x++)
{
RawColor c = pix.Data[x, y];
int radius = radiusData[x + dx, y + dy];
counts[radius]++;
sumR[radius] += c.R;
sumG[radius] += c.G;
sumB[radius] += c.B;
}
RawColor undefined = RawColor.Transparent;
for (int i = 0; i < maxRadius + 1; i++)
{
if (counts[i] == 0)
result[i] = undefined;
else
{
result[i] = RawColor.FromRGB(
(byte)(sumR[i] / counts[i]),
(byte)(sumG[i] / counts[i]),
(byte)(sumB[i] / counts[i]));
}
}
return result;
}
System.Drawing.Rectangle FindLinedBoard(Pixels pix, System.Drawing.Rectangle boardRect, out float[] grayCols, out float[] grayRows)
{
CountPixels(pix, boardRect, IsGray, out grayCols, out grayRows);
float[] grayCols2 = grayCols;
float[] grayRows2 = grayRows;
int left = (int)grayCols.FirstIndex((f, i) => IsLine(grayCols2, i));
int right = (int)grayCols.LastIndex((f, i) => IsLine(grayCols2, i)) + 1;
int top = (int)grayRows.FirstIndex((f, i) => IsLine(grayRows2, i));
int bottom = (int)grayRows.LastIndex((f, i) => IsLine(grayRows2, i)) + 1;
return System.Drawing.Rectangle.FromLTRB(left, top, right, bottom);
}
System.Drawing.Rectangle FindBoard(Pixels pix)
{
float[] boardCols, boardRows;
CountPixels(pix, pix.Rect, IsBoard, out boardCols, out boardRows);
float max = boardCols.Max();
if (max < 0.1)
return System.Drawing.Rectangle.Empty;
int left = (int)boardCols.FirstIndex(f => f >= 0.8f * max);
int right = (int)boardCols.LastIndex(f => f >= 0.8f * max) + 1;
CountPixels(pix, new System.Drawing.Rectangle(left, 0, right - left, pix.Height), IsBoard, out boardCols, out boardRows);
max = boardRows.Max();
int top = (int)boardRows.FirstIndex(f => f >= 0.8f * max);
int bottom = (int)boardRows.LastIndex(f => f >= 0.8f * max) + 1;
return System.Drawing.Rectangle.FromLTRB(left, top, right, bottom);
}
private void CountPixels(Pixels pix, System.Drawing.Rectangle rect, Predicate<RawColor> filter, out float[] cols, out float[] rows)
{
int[] colsI = new int[pix.Width];
int[] rowsI = new int[pix.Height];
for (int y = rect.Top; y < rect.Bottom; y++)
{
for (int x = rect.Left; x < rect.Right; x++)
{
RawColor c = pix.Data[x, y];
if (filter(c))
{
colsI[x]++;
rowsI[y]++;
}
}
}
cols = new float[pix.Width];
rows = new float[pix.Height];
for (int x = 0; x < cols.Length; x++)
{
if (x < rect.Left || x > rect.Right - 1)
cols[x] = float.NaN;
else
cols[x] = (float)colsI[x] / rect.Height;
}
for (int y = 0; y < rows.Length; y++)
{
if (y < rect.Top || y > rect.Bottom - 1)
rows[y] = float.NaN;
else
rows[y] = (float)rowsI[y] / rect.Width;
}
}
