// 描画
private unsafe void xnDraw()
{
// カメライメージの更新を待ち、画像データを取得する
context.WaitOneUpdateAll(image);
ImageMetaData imageMD = image.GetMetaData();
Graphics g;
// カメラ画像の作成
lock (this) {
// 書き込み用のビットマップデータを作成
Rectangle rect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
BitmapData data = bitmap.LockBits(rect, ImageLockMode.WriteOnly,
System.Drawing.Imaging.PixelFormat.Format24bppRgb);
// 生データへのポインタを取得
byte *dst = (byte *)data.Scan0.ToPointer();
byte *src = (byte *)image.ImageMapPtr.ToPointer();
for (int i = 0; i < imageMD.DataSize; i += 3, src += 3, dst += 3)
{
dst[0] = src[2];
dst[1] = src[1];
dst[2] = src[0];
}
bitmap.UnlockBits(data);
// 手の軌跡を描画
if (handPoints.Count != 0)
{
Point3D start = depth.ConvertRealWorldToProjective(handPoints.Peek());
foreach (Point3D handPoint in handPoints)
{
Point3D pt = depth.ConvertRealWorldToProjective(handPoint);
g = Graphics.FromImage(bitmap);
g.DrawLine(pen, start.X, start.Y, pt.X, pt.Y);
start = pt;
}
// 先頭要素を削除
if (handPoints.Count > MAX_POINT)
{
handPoints.Dequeue();
}
}
}
// 現在の状態を表示する
g = Graphics.FromImage(bitmap);
string message = "Gesture:RaiseHand" +
", Status:" + gestureStatus.ToString() + "\n" +
"Hand:" + handStates.ToString();
g.DrawString(message, font, brush, point);
}
/// <summary>
/// Loads the 2D data for a specific skeleton joint.
/// </summary>
private void GetJoint(SkeletonCapability source,
int user, SkeletonJoint joint,
Dictionary <SkeletonJoint, SkeletonJointPosition> target)
{
SkeletonJointPosition pos;
if (joint == SkeletonJoint.Waist)
{
// Calculate the joint position as arithmetic mean of right
// and left hip joints, as it is not possible to poll it
// directly.
pos = new SkeletonJointPosition();
SkeletonJointPosition posLeft = source.GetSkeletonJointPosition(user, SkeletonJoint.LeftHip);
SkeletonJointPosition posRight = source.GetSkeletonJointPosition(user, SkeletonJoint.RightHip);
if (posLeft.Position.Z == 0 || posRight.Position.Z == 0)
{
pos.Confidence = 0;
pos.Position = new Point3D(
(posLeft.Position.X + posRight.Position.X) / 2,
(posLeft.Position.Y + posRight.Position.Y) / 2,
0);
}
else
{
pos.Confidence = Math.Min(posLeft.Confidence, posRight.Confidence);
pos.Position = depthGenerator.ConvertRealWorldToProjective(
new Point3D(
(posLeft.Position.X + posRight.Position.X) / 2,
(posLeft.Position.Y + posRight.Position.Y) / 2,
(posLeft.Position.Z + posRight.Position.Z) / 2));
}
}
else
{
pos = source.GetSkeletonJointPosition(user, joint);
if (pos.Position.Z == 0)
{
pos.Confidence = 0;
}
else
{
pos.Position = depthGenerator.ConvertRealWorldToProjective(pos.Position);
}
}
target[joint] = pos;
}
public int WhichUserDoesThisPointBelongTo(Point3D point)
{
// get userID of user to whom the hand is attached
Point3D ProjectiveHandPoint = depthGenerator.ConvertRealWorldToProjective(point);
SceneMetaData sceneMD = userGenerator.GetUserPixels(0);
return(sceneMD[(int)ProjectiveHandPoint.X, (int)ProjectiveHandPoint.Y]);
}
// 骨格の線を引く
void DrawLine(int player, SkeletonJoint eJoint1, SkeletonJoint eJoint2)
{
// 各箇所の座標を取得する
SkeletonJointPosition joint1 = GetJointPosition(player, eJoint1);
SkeletonJointPosition joint2 = GetJointPosition(player, eJoint2);
if (joint1.Confidence < 0.5 || joint2.Confidence < 0.5)
{
return;
}
// 現実の座標から画面の座標に変換する
Point3D[] pt = new Point3D[] { joint1.Position, joint2.Position };
pt = depth.ConvertRealWorldToProjective(pt);
Graphics g = Graphics.FromImage(bitmap);
g.DrawLine(pen, pt[0].X, pt[0].Y, pt[1].X, pt[1].Y);
}
/// <summary>
/// Converts a JointDictionary with 3D data to the corresponding one
/// with 2D data. Note that the Z-Coordinate is left unchanged, though
/// it has no meaning in the resulting 2D space and can be seen as 0.
/// </summary>
public JointDictionary Convert3Dto2D(JointDictionary source, DepthGenerator generator)
{
if (!source.Is3DData)
{
return(new JointDictionary(source));
}
else
{
JointDictionary ret = new JointDictionary(false);
foreach (SkeletonJoint joint in source.Keys)
{
SkeletonJointPosition pos = new SkeletonJointPosition();
pos.Confidence = source[joint].Confidence;
pos.Position = generator.ConvertRealWorldToProjective(source[joint].Position);
ret.Add(joint, pos);
}
return(ret);
}
}
void steadydetector_Steady(object sender, SteadyEventArgs e)
{
// System.Console.WriteLine("Steady Detected..");
PointStatus pt = pointCollections[e.ID];
HandPointContact hdc = null;
is_steady = 1;
for (int i = 0; i < HandPointBuffer.Count; i++)
{
hdc = HandPointBuffer[i] as HandPointContact;
if (hdc.Id == e.ID)
{
break;
}
}
pt.is_non_steady = false;
pt.SetColor(Brushes.Yellow);
int status = 0;
Point3D hpoint = hdc.RowPoint;
hpoint.Y = -hpoint.Y;
Point3D pt3 = depthGen.ConvertRealWorldToProjective(hpoint);
clipHandFromDepthMap(pt3);
status = openpalm.isDetected(clipping, pt3);
if (status == 1)
{
Console.WriteLine("OpenHand");
}
else if (status == 2)
{
Console.WriteLine("Close Hand");
}
Multitouch.Contracts.ContactState st = hdc.State;
if (status == 1 && (st == Multitouch.Contracts.ContactState.Moved || st == Multitouch.Contracts.ContactState.New))
{
pt.SetColor(Brushes.Green);
pt.steady_state = 1;
pt.is_clicked = false;
System.Console.WriteLine("Release...");
hdc.Update(pt.steady_point.X, pt.steady_point.Y, Multitouch.Contracts.ContactState.Removed);
inputProvider.EnqueueContact(hdc, Multitouch.Contracts.ContactState.Removed);
pt.steady_point = pt.Location;
}
else if (status == 2 && st == Multitouch.Contracts.ContactState.Removed)
{
System.Console.WriteLine("Grab...");
pt.steady_state = 2;
pt.is_clicked = true;
pt.SetColor(Brushes.Red);
hdc.Update(pt.steady_point.X, pt.steady_point.Y, Multitouch.Contracts.ContactState.New);
inputProvider.EnqueueContact(hdc, Multitouch.Contracts.ContactState.New);
pt.steady_point = pt.Location;
}
else
{
pt.steady_point = pt.Location;
}
}
public int[] ConvertCoord(SkeletonJointPosition joint, int offset)
{
Point3D point = depthGenerator.ConvertRealWorldToProjective(joint.Position);
return(new int[] { (point.X >= 0) ? (int)(point.X + offset) : 0, (point.Y >= 0) ? (int)(point.Y + offset) : 0 });
}