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public static Add ( |
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| sz | ||
| Résultat | ||
/// <summary>
/// Update our coordinates to reflect a new top-left pixel
/// </summary>
/// <param name="topLeftXY">The top-left pixel</param>
public void UpdateFromXY(Point topLeftXY)
{
var max = Point.Subtract(LngLatToXY(new PointF(180, -75), ZoomLevel), DisplayRectangle.Size);
var min = LngLatToXY(new PointF(-180, 82), ZoomLevel);
topLeftXY.X = Math.Max(Math.Min(max.X, topLeftXY.X), min.X);
topLeftXY.Y = Math.Max(Math.Min(max.Y, topLeftXY.Y), min.Y);
//Point.Subtract(TopLeftXY, DisplayRectangle.Size)
PointF oldCenter = Center;
//Update our top-left coordinates
this.TopLeftXY = topLeftXY;
this.TopLeft = XYToLngLat(topLeftXY, ZoomLevel);
//Determine our bottom-right pixel
this.BottomRightXY = Point.Add(topLeftXY, DisplayRectangle.Size);
this.BottomRight = XYToLngLat(this.BottomRightXY, ZoomLevel);
if (this.Panned != null)
{
this.Panned(oldCenter, Center);
}
}
static IEnumerable<Point> GetPath(int startX, int startY, double dx, double dy)
{
var geo = new Point(startX, startY).ToGeometry();
var deltaPoint = new PointF((float)dx, (float)dy);
while (true)
{
geo = geo.Add(deltaPoint);
yield return geo.ToMap();
}
}
/// <summary>
/// Update our coordinates to reflect a new top/left lat/long and zoom level
/// </summary>
/// <param name="topLeft"></param>
/// <param name="zoomLevel"></param>
public void UpdateFromLngLatAndZoom(PointF topLeft, int zoomLevel)
{
//Determine our top-left coordinates
this.TopLeft = topLeft;
this.TopLeftXY = LngLatToXY(topLeft, this.ZoomLevel = zoomLevel);
//Determine our bottom-right pixel
this.BottomRightXY = Point.Add(TopLeftXY, DisplayRectangle.Size);
this.BottomRight = XYToLngLat(this.BottomRightXY, zoomLevel);
}
public override void Process()
{
bool update = CMain.Time >= NextMotion || GameScene.CanMove;
SkipFrames = this != User && ActionFeed.Count > 1;
ProcessFrames();
if (Frame == null)
{
DrawFrame = 0;
DrawWingFrame = 0;
}
else
{
DrawFrame = Frame.Start + (Frame.OffSet * (byte)Direction) + FrameIndex;
DrawWingFrame = Frame.EffectStart + (Frame.EffectOffSet * (byte)Direction) + EffectFrameIndex;
}
#region Moving OffSet
switch (CurrentAction)
{
case MirAction.Walking:
case MirAction.Running:
case MirAction.MountWalking:
case MirAction.MountRunning:
case MirAction.Pushed:
case MirAction.DashL:
case MirAction.DashR:
case MirAction.Sneek:
case MirAction.Jump:
case MirAction.DashAttack:
if (Frame == null)
{
OffSetMove = Point.Empty;
Movement = CurrentLocation;
break;
}
var i = 0;
if (CurrentAction == MirAction.MountRunning) i = 3;
else if (CurrentAction == MirAction.Running)
i = (Sprint && !Sneaking ? 3 : 2);
else i = 1;
if (CurrentAction == MirAction.Jump) i = -JumpDistance;
if (CurrentAction == MirAction.DashAttack) i = JumpDistance;
Movement = Functions.PointMove(CurrentLocation, Direction, CurrentAction == MirAction.Pushed ? 0 : -i);
int count = Frame.Count;
int index = FrameIndex;
if (CurrentAction == MirAction.DashR || CurrentAction == MirAction.DashL)
{
count = 3;
index %= 3;
}
switch (Direction)
{
case MirDirection.Up:
OffSetMove = new Point(0, (int)((MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.UpRight:
OffSetMove = new Point((int)((-MapControl.CellWidth * i / (float)(count)) * (index + 1)), (int)((MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.Right:
OffSetMove = new Point((int)((-MapControl.CellWidth * i / (float)(count)) * (index + 1)), 0);
break;
case MirDirection.DownRight:
OffSetMove = new Point((int)((-MapControl.CellWidth * i / (float)(count)) * (index + 1)), (int)((-MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.Down:
OffSetMove = new Point(0, (int)((-MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.DownLeft:
OffSetMove = new Point((int)((MapControl.CellWidth * i / (float)(count)) * (index + 1)), (int)((-MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.Left:
OffSetMove = new Point((int)((MapControl.CellWidth * i / (float)(count)) * (index + 1)), 0);
break;
case MirDirection.UpLeft:
OffSetMove = new Point((int)((MapControl.CellWidth * i / (float)(count)) * (index + 1)), (int)((MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
}
OffSetMove = new Point(OffSetMove.X % 2 + OffSetMove.X, OffSetMove.Y % 2 + OffSetMove.Y);
break;
default:
OffSetMove = Point.Empty;
Movement = CurrentLocation;
break;
}
#endregion
DrawY = Movement.Y > CurrentLocation.Y ? Movement.Y : CurrentLocation.Y;
DrawLocation = new Point((Movement.X - User.Movement.X + MapControl.OffSetX) * MapControl.CellWidth, (Movement.Y - User.Movement.Y + MapControl.OffSetY) * MapControl.CellHeight);
if (this != User)
{
DrawLocation.Offset(User.OffSetMove);
DrawLocation.Offset(-OffSetMove.X, -OffSetMove.Y);
}
if (BodyLibrary != null && update)
{
FinalDrawLocation = DrawLocation.Add(BodyLibrary.GetOffSet(DrawFrame));
DisplayRectangle = new Rectangle(DrawLocation, BodyLibrary.GetTrueSize(DrawFrame));
}
for (int i = 0; i < Effects.Count; i++)
Effects[i].Process();
Color colour = DrawColour;
DrawColour = Color.White;
if (Poison != PoisonType.None)
{
if (Poison.HasFlag(PoisonType.Green))
DrawColour = Color.Green;
if (Poison.HasFlag(PoisonType.Red))
DrawColour = Color.Red;
if (Poison.HasFlag(PoisonType.Bleeding))
DrawColour = Color.DarkRed;
if (Poison.HasFlag(PoisonType.Slow))
DrawColour = Color.Purple;
if (Poison.HasFlag(PoisonType.Stun))
DrawColour = Color.Yellow;
if (Poison.HasFlag(PoisonType.Frozen))
DrawColour = Color.Blue;
if (Poison.HasFlag(PoisonType.Paralysis))
DrawColour = Color.Gray;
if (Poison.HasFlag(PoisonType.DelayedExplosion))
DrawColour = Color.Orange;
}
if (colour != DrawColour) GameScene.Scene.MapControl.TextureValid = false;
}
public override void Process()
{
bool update = CMain.Time >= NextMotion || GameScene.CanMove;
SkipFrames = ActionFeed.Count > 1;
ProcessFrames();
if (Frame == null)
DrawFrame = 0;
else DrawFrame = Frame.Start + (Frame.OffSet * (byte)Direction) + FrameIndex;
#region Moving OffSet
switch (CurrentAction)
{
case MirAction.Walking:
case MirAction.Running:
case MirAction.Pushed:
case MirAction.DashL:
case MirAction.DashR:
if (Frame == null)
{
OffSetMove = Point.Empty;
Movement = CurrentLocation;
break;
}
int i = CurrentAction == MirAction.Running ? 2 : 1;
Movement = Functions.PointMove(CurrentLocation, Direction, CurrentAction == MirAction.Pushed ? 0 : -i);
int count = Frame.Count;
int index = FrameIndex;
if (CurrentAction == MirAction.DashR || CurrentAction == MirAction.DashL)
{
count = 3;
index %= 3;
}
switch (Direction)
{
case MirDirection.Up:
OffSetMove = new Point(0, (int)((MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.UpRight:
OffSetMove = new Point((int)((-MapControl.CellWidth * i / (float)(count)) * (index + 1)), (int)((MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.Right:
OffSetMove = new Point((int)((-MapControl.CellWidth * i / (float)(count)) * (index + 1)), 0);
break;
case MirDirection.DownRight:
OffSetMove = new Point((int)((-MapControl.CellWidth * i / (float)(count)) * (index + 1)), (int)((-MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.Down:
OffSetMove = new Point(0, (int)((-MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.DownLeft:
OffSetMove = new Point((int)((MapControl.CellWidth * i / (float)(count)) * (index + 1)), (int)((-MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
case MirDirection.Left:
OffSetMove = new Point((int)((MapControl.CellWidth * i / (float)(count)) * (index + 1)), 0);
break;
case MirDirection.UpLeft:
OffSetMove = new Point((int)((MapControl.CellWidth * i / (float)(count)) * (index + 1)), (int)((MapControl.CellHeight * i / (float)(count)) * (index + 1)));
break;
}
OffSetMove = new Point(OffSetMove.X % 2 + OffSetMove.X, OffSetMove.Y % 2 + OffSetMove.Y);
break;
default:
OffSetMove = Point.Empty;
Movement = CurrentLocation;
break;
}
#endregion
DrawY = Movement.Y > CurrentLocation.Y ? Movement.Y : CurrentLocation.Y;
DrawLocation = new Point((Movement.X - User.Movement.X + MapControl.OffSetX) * MapControl.CellWidth, (Movement.Y - User.Movement.Y + MapControl.OffSetY) * MapControl.CellHeight);
DrawLocation.Offset(-OffSetMove.X, -OffSetMove.Y);
DrawLocation.Offset(User.OffSetMove);
DrawLocation = DrawLocation.Add(ManualLocationOffset);
if (BodyLibrary != null && update)
{
FinalDrawLocation = DrawLocation.Add(BodyLibrary.GetOffSet(DrawFrame));
DisplayRectangle = new Rectangle(DrawLocation, BodyLibrary.GetTrueSize(DrawFrame));
}
for (int i = 0; i < Effects.Count; i++)
Effects[i].Process();
Color colour = DrawColour;
switch (Poison)
{
case PoisonType.None:
DrawColour = Color.White;
break;
case PoisonType.Green:
DrawColour = Color.Green;
break;
case PoisonType.Red:
DrawColour = Color.Red;
break;
case PoisonType.Bleeding:
DrawColour = Color.DarkRed;
break;
case PoisonType.Slow:
DrawColour = Color.Purple;
break;
case PoisonType.Stun:
DrawColour = Color.Yellow;
break;
case PoisonType.Frozen:
DrawColour = Color.Blue;
break;
case PoisonType.Paralysis:
DrawColour = Color.Gray;
break;
case PoisonType.DelayedExplosion://ArcherSpells - DelayedExplosion
DrawColour = Color.Orange;
break;
}
if (colour != DrawColour) GameScene.Scene.MapControl.TextureValid = false;
}
/// <summary> /// Center between two points /// </summary> /// <param name="p1"></param> /// <param name="p2"></param> /// <returns>Center Point</returns> public static Point Center(Point p1, Point p2) => p2.Add(p1).Scale(0.5f);
private IEnumerable <Marker> GetMarkers(ref Image <Rgb, byte> image, Rectangle roi, int width, int height, ref Image <Rgb, byte> debugImage, out List <Point[]> quadrilaterals)
{
if (_glyphRecognizer == null)
{
quadrilaterals = new List <Point[]>();
return(null);
}
var imageWidth = image.Width;
var imageHeight = image.Height;
var imageRoi = image.ROI;
var markers = new List <Marker>();
var minFramesProperty = MinFramesProperty;
// Draw new Roi
if (IsRenderContent)
{
debugImage.Draw(roi, Rgbs.Red, 2);
}
_recognizedGlyphs.Clear();
_recognizedQuads.Clear();
var glyphs = _glyphRecognizer.FindGlyphs(image.Bitmap);
foreach (var glyph in glyphs)
{
// highlight quadrilateral (of all found glyphs)
var tmpQuad = glyph.Quadrilateral;
if (tmpQuad == null || tmpQuad.Count != 4)
{
continue;
}
var quad = new[]
{
new Point(tmpQuad[0].X, tmpQuad[0].Y),
new Point(tmpQuad[1].X, tmpQuad[1].Y),
new Point(tmpQuad[2].X, tmpQuad[2].Y),
new Point(tmpQuad[3].X, tmpQuad[3].Y)
};
if (IsRenderContent)
{
var debugImageRoi = debugImage.ROI;
debugImage.ROI = roi;
debugImage.DrawPolyline(quad, true, Rgbs.Yellow, 1);
debugImage.ROI = debugImageRoi;
}
// if glyphs are recognized then store and draw name
var recQuad = glyph.RecognizedQuadrilateral;
var recGlyph = glyph.RecognizedGlyph;
if (recQuad != null && recGlyph != null)
{
_recognizedGlyphs.Add(recGlyph.Name, recGlyph);
_recognizedQuads.Add(recGlyph.Name, quad);
if (IsRenderContent)
{
var debugImageRoi = debugImage.ROI;
debugImage.ROI = roi;
var labelPos = new Point(recQuad[2].X, recQuad[2].Y);
debugImage.Draw(recGlyph.Name, ref EmguFontBig, labelPos, Rgbs.Green);
debugImage.ROI = debugImageRoi;
}
}
}
// update all entries in glyph table using recognized glyphs
quadrilaterals = new List <Point[]>();
var length = _glyphTable.Length;
for (int i = 0; i < length; i++)
{
var name = (i + 1).ToString(CultureInfo.InvariantCulture);
Glyph glyph = null;
Point[] quad = null;
if (_recognizedGlyphs.ContainsKey(name))
{
glyph = _recognizedGlyphs[name];
}
if (_recognizedQuads.ContainsKey(name))
{
quad = _recognizedQuads[name];
}
// if glyph for this entry was recognized, update entry
if (glyph != null && quad != null)
{
quadrilaterals.Add(quad);
// if there is no entry yet, create it
if (_glyphTable[i] == null)
{
_glyphTable[i] = new GlyphMetadata();
}
var gmd = _glyphTable[i];
gmd.aliveFrames++;
Point upVector1 = quad[0].Sub(quad[3]);
Point upVector2 = quad[1].Sub(quad[2]);
upVector1 = (upVector1.Add(upVector2)).Div(2);
double orientation = Math.Atan2(upVector1.Y, upVector2.X);
// always keep only the last X frames in list
if (gmd.prevX.Count == minFramesProperty)
{
gmd.prevX.RemoveAt(0);
gmd.prevY.RemoveAt(0);
gmd.prevOrientations.RemoveAt(0);
}
gmd.prevX.Add(quad[0].X);
gmd.prevY.Add(quad[0].Y);
gmd.prevOrientations.Add(orientation);
// check if marker stops moving and rotating
if (Math.Abs(gmd.prevX.Max() - gmd.prevX.Min()) < 5 &&
Math.Abs(gmd.prevY.Max() - gmd.prevY.Min()) < 5 &&
gmd.aliveFrames >= minFramesProperty)
{
var x = orientation + Math.PI / 2;
var degOrientation = (x > 0.0 ? x : (2.0 * Math.PI + x)) * 360 / (2.0 * Math.PI);
// find bounding rectangle
float minX = image.Width;
float minY = image.Height;
float maxX = 0;
float maxY = 0;
foreach (Point p in quad)
{
minX = Math.Min(minX, p.X);
minY = Math.Min(minY, p.Y);
maxX = Math.Max(maxX, p.X);
maxY = Math.Max(maxY, p.Y);
}
var centerX = roi.X + minX + (maxX - minX) / 2.0f;
var centerY = roi.Y + minY + (maxY - minY) / 2.0f;
markers.Add(new Marker(this, "Display")
{
Id = name,
Center = new System.Windows.Point(centerX / width, centerY / height),
RelativeCenter = new System.Windows.Point(centerX / imageWidth, centerY / imageHeight),
Angle = degOrientation
});
// Render center and orientation of marker
if (IsRenderContent)
{
var markerCenter = new PointF(centerX, centerY);
var p2 = new Point(
(int)(markerCenter.X + Math.Cos(orientation) * 100.0),
(int)(markerCenter.Y + Math.Sin(orientation) * 100.0)
);
var p3 = new Point(
(int)(markerCenter.X + Math.Cos(orientation + Math.PI / 16) * 75.0),
(int)(markerCenter.Y + Math.Sin(orientation + Math.PI / 16) * 75.0)
);
debugImage.Draw(new Cross2DF(markerCenter, 6, 6), Rgbs.Green, 2);
debugImage.Draw(new LineSegment2DF(markerCenter, p2), Rgbs.Green, 2);
debugImage.Draw(string.Format("{0} deg", Math.Round(degOrientation, 1)), ref EmguFont, p3, Rgbs.Green);
}
}
else
{
// if glyph disappeared remove entry from table
_recognizedGlyphs[name] = null;
}
}
}
image.ROI = imageRoi;
return(markers);
}
public override void Process()
{
bool update = CMain.Time >= NextMotion || GameScene.CanMove;
ProcessFrames();
if (Frame == null)
DrawFrame = 0;
else
DrawFrame = Frame.Start + (Frame.OffSet * (byte)Direction) + FrameIndex;
DrawY = CurrentLocation.Y;
DrawLocation = new Point((Movement.X - User.Movement.X + MapControl.OffSetX) * MapControl.CellWidth, (Movement.Y - User.Movement.Y + MapControl.OffSetY) * MapControl.CellHeight);
DrawLocation.Offset(User.OffSetMove);
if (BodyLibrary != null)
FinalDrawLocation = DrawLocation.Add(BodyLibrary.GetOffSet(DrawFrame));
if (BodyLibrary != null && update)
{
FinalDrawLocation = DrawLocation.Add(BodyLibrary.GetOffSet(DrawFrame));
DisplayRectangle = new Rectangle(DrawLocation, BodyLibrary.GetTrueSize(DrawFrame));
}
for (int i = 0; i < Effects.Count; i++)
Effects[i].Process();
Color colour = DrawColour;
switch (Poison)
{
case PoisonType.None:
DrawColour = Color.White;
break;
case PoisonType.Green:
DrawColour = Color.Green;
break;
case PoisonType.Red:
DrawColour = Color.Red;
break;
case PoisonType.Slow:
DrawColour = Color.Purple;
break;
case PoisonType.Stun:
DrawColour = Color.Yellow;
break;
case PoisonType.Frozen:
DrawColour = Color.Blue;
break;
case PoisonType.Paralysis:
DrawColour = Color.Gray;
break;
}
if (colour != DrawColour) GameScene.Scene.MapControl.TextureValid = false;
}
/// <summary>Translates a <see cref="T:System.Drawing.Point" /> by a given <see cref="T:System.Drawing.Size" />.</summary>
/// <returns>The translated <see cref="T:System.Drawing.Point" />.</returns>
/// <param name="pt">The <see cref="T:System.Drawing.Point" /> to translate. </param>
/// <param name="sz">A <see cref="T:System.Drawing.Size" /> that specifies the pair of numbers to add to the coordinates of <paramref name="pt" />. </param>
/// <filterpriority>3</filterpriority>
public static Point operator +(Point pt, Size sz)
{
return(Point.Add(pt, sz));
}
private static void CreateHintLabel()
{
if (HintBaseLabel == null || HintBaseLabel.IsDisposed)
{
HintBaseLabel = new MirControl
{
BackColour = Color.FromArgb(128, 128, 50),
Border = true,
DrawControlTexture = true,
BorderColour = Color.Yellow,
ForeColour = Color.Yellow,
Parent = MirScene.ActiveScene,
NotControl = true,
Opacity = 0.5F
};
}
if (HintTextLabel == null || HintTextLabel.IsDisposed)
{
HintTextLabel = new MirLabel
{
AutoSize = true,
BackColour = Color.Transparent,
ForeColour = Color.White,
Parent = HintBaseLabel,
};
HintTextLabel.SizeChanged += (o, e) => HintBaseLabel.Size = HintTextLabel.Size;
}
if (MirControl.MouseControl == null || string.IsNullOrEmpty(MirControl.MouseControl.Hint))
{
HintBaseLabel.Visible = false;
return;
}
HintBaseLabel.Visible = true;
HintTextLabel.Text = MirControl.MouseControl.Hint;
Point point = MPoint.Add(-HintTextLabel.Size.Width, 20);
if (point.X + HintBaseLabel.Size.Width >= Settings.ScreenWidth)
{
point.X = Settings.ScreenWidth - HintBaseLabel.Size.Width - 1;
}
if (point.Y + HintBaseLabel.Size.Height >= Settings.ScreenHeight)
{
point.Y = Settings.ScreenHeight - HintBaseLabel.Size.Height - 1;
}
if (point.X < 0)
{
point.X = 0;
}
if (point.Y < 0)
{
point.Y = 0;
}
HintBaseLabel.Location = point;
}
// Public methods.
/// <summary>
/// Shows the tooltip.
/// </summary>
/// <param name="control">The control.</param>
/// <param name="location">The location relative to the control.</param>
/// <param name="alignment">The alignment relative to the location.</param>
public void Show(IWin32Window control, Point location, ContentAlignment alignment)
{
// Create the title font.
using (Font font = new Font(Window.DefaultFont, FontStyle.Bold))
{
// Compute the tooltip strings.
this.messageTitle = NetworkStatusToolTip.message[(int)NetworkStatus.IsInternetAvailable];
this.messageIcmp = "ICMP connectivity: {0}".FormatWith(NetworkStatus.IsInternetIcmpAvailable ? "Yes" : "No");
this.messageHttp = "HTTP connectivity: {0}".FormatWith(NetworkStatus.IsInternetHttpAvailable ? "Yes" : "No");
this.messageHttps = "HTTPS connectivity: {0}".FormatWith(NetworkStatus.IsInternetHttpsAvailable ? "Yes" : "No");
this.messageUpdated = "Connectivity last checked at {0}".FormatWith(NetworkStatus.InternetAvailableLastUpdated.ToLongTimeString());
// Compute the strings size.
Size sizeTitle = TextRenderer.MeasureText(messageTitle, font);
Size sizeIcmp = TextRenderer.MeasureText(messageIcmp, Window.DefaultFont);
Size sizeHttp = TextRenderer.MeasureText(messageHttp, Window.DefaultFont);
Size sizeHttps = TextRenderer.MeasureText(messageHttps, Window.DefaultFont);
Size sizeUpdated = TextRenderer.MeasureText(messageUpdated, Window.DefaultFont);
// Compute the spacing size.
int spacing = (int)(Window.DefaultFont.SizeInPoints * spacingFactor);
// Get the icon.
this.icon = NetworkStatusToolTip.icons[(int)NetworkStatus.IsInternetAvailable];
// Compute the bounds.
this.boundsIcon = new Rectangle(new Point(spacing << 1, spacing << 1), this.icon.Size);
this.boundsTitle = new Rectangle(this.boundsIcon.Right + (spacing << 1), this.boundsIcon.Top, sizeTitle.Width, sizeTitle.Height);
this.boundsIcmp = new Rectangle(this.boundsTitle.Left, this.boundsTitle.Bottom + (spacing << 1), sizeIcmp.Width, sizeIcmp.Height);
this.boundsHttp = new Rectangle(this.boundsTitle.Left, this.boundsIcmp.Bottom + spacing, sizeHttp.Width, sizeHttp.Height);
this.boundsHttps = new Rectangle(this.boundsTitle.Left, this.boundsHttp.Bottom + spacing, sizeHttps.Width, sizeHttps.Height);
this.boundsUpdated = new Rectangle(this.boundsTitle.Left, this.boundsHttps.Bottom + (spacing << 1), sizeUpdated.Width, sizeUpdated.Height);
// Compute the maximum bounds.
Rectangle boundsMax = Geometry.Max(this.boundsIcon, this.boundsTitle, this.boundsIcmp, this.boundsHttp, this.boundsHttps, this.boundsUpdated);
// Compute the size.
this.size = new Size(boundsMax.Width + (spacing << 2), boundsMax.Height + (spacing << 2));
// Update the location according to the alignment.
switch (alignment)
{
case ContentAlignment.TopCenter: location = location.Add(-(this.size.Width >> 1), 0); break;
case ContentAlignment.TopRight: location = location.Add(-this.size.Width, 0); break;
case ContentAlignment.MiddleLeft: location = location.Add(0, -(this.size.Height >> 1)); break;
case ContentAlignment.MiddleCenter: location = location.Add(-(this.size.Width >> 1), -(this.size.Height >> 1)); break;
case ContentAlignment.MiddleRight: location = location.Add(-this.size.Width, -this.size.Height); break;
case ContentAlignment.BottomLeft: location = location.Add(0, -this.size.Height); break;
case ContentAlignment.BottomCenter: location = location.Add(-(this.size.Width >> 1), -this.size.Height); break;
case ContentAlignment.BottomRight: location = location.Add(-this.size.Width, -this.size.Height); break;
}
}
// Show the tooltip.
base.Show(" ", control, location);
}