public CvRect(CvPoint offset, CvSize size)
{
this.x = offset.x;
this.y = offset.y;
this.width = size.width;
this.height = size.height;
}
void DrawSquares(List<CvPoint> squares, PieceInfo[] pieces, HighGuiWindow window)
{
using (IplImage cpy = lastFrame.CloneImage())
{
StructureSafeMemoryBox<CvPoint> pt = new StructureSafeMemoryBox<CvPoint>(4);
IntPtrSafeMemoryBox rect = new IntPtrSafeMemoryBox();
rect.Value = pt.Pointer;
Int32SafeMemoryBox count = new Int32SafeMemoryBox();
count.Value = 4;
for (int i = 0; i < squares.Count; i += 4)
{
pt[0] = squares[i + 0];
pt[1] = squares[i + 1];
pt[2] = squares[i + 2];
pt[3] = squares[i + 3];
CvPoint center = new CvPoint((squares[i + 0].x + squares[i + 2].x) / 2,
(squares[i + 0].y + squares[i + 2].y) / 2);
// CvScalar color = new CvScalar(0, 255, 255);
CxCore.cvPolyLine(cpy, rect.Pointer, count.Pointer,
1, 1, CvScalar.FromRGB(255, 255, 0), 3, CxCore.CV_AA, 0);
}
PieceInfo[,] layout = lastLayout;
if (layout != null)
{
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
pt[0] = new CvPoint(j * 20 + 3, i * 20 + 3);
pt[1] = new CvPoint(j * 20 + 3, i * 20 + 18);
pt[2] = new CvPoint(j * 20 + 18, i * 20 + 18);
pt[3] = new CvPoint(j * 20 + 18, i * 20 + 3);
CvScalar color = CvScalar.FromRGB(layout[i, j].color[0], layout[i, j].color[1], layout[i, j].color[2]);
CxCore.cvFillPoly(cpy, rect.Pointer, count.Pointer, 1, color, CxCore.CV_AA, 0);
}
}
}
count.Dispose();
rect.Dispose();
pt.Dispose();
window.ShowImage(cpy);
}
}
private static bool InPoints(CvPoint p, IList<CvPoint> points, int index, int count)
{
for (int j = 0; j < count; j++)
{
if (CvPoint.Distance2(p, points[index + j]) < 25) return true;
}
return false;
}
public static int Distance2(CvPoint p1, CvPoint p2)
{
int dx = p1.x - p2.x;
int dy = p1.y - p2.y;
return dx * dx + dy * dy;
}