private static PointInt32 AdjustNewLocation(SnapObstacle obstacle, PointInt32 newLocation, SnapDescription snapDescription)
{
obstacle.VerifyAccess();
if ((snapDescription == null) || ((snapDescription.HorizontalEdge == HorizontalSnapEdge.Neither) && (snapDescription.VerticalEdge == VerticalSnapEdge.Neither)))
{
return(obstacle.Bounds.Location);
}
RectInt32 num = new RectInt32(newLocation, obstacle.Bounds.Size);
RectInt32 bounds = snapDescription.SnappedTo.Bounds;
HorizontalSnapEdge horizontalEdge = snapDescription.HorizontalEdge;
VerticalSnapEdge verticalEdge = snapDescription.VerticalEdge;
SnapRegion snapRegion = snapDescription.SnappedTo.SnapRegion;
int num3 = 0;
if ((horizontalEdge == HorizontalSnapEdge.Top) && (snapRegion == SnapRegion.Exterior))
{
int num7 = bounds.Top - snapDescription.YOffset;
num3 = num.Bottom - num7;
}
else if ((horizontalEdge == HorizontalSnapEdge.Bottom) && (snapRegion == SnapRegion.Exterior))
{
int num8 = bounds.Bottom + snapDescription.YOffset;
num3 = num.Top - num8;
}
else if ((horizontalEdge == HorizontalSnapEdge.Top) && (snapRegion == SnapRegion.Interior))
{
int num9 = Math.Min(bounds.Bottom, bounds.Top + snapDescription.YOffset);
num3 = num.Top - num9;
}
else if ((horizontalEdge == HorizontalSnapEdge.Bottom) && (snapRegion == SnapRegion.Interior))
{
int num10 = Math.Max(bounds.Top, bounds.Bottom - snapDescription.YOffset);
num3 = num.Bottom - num10;
}
int num4 = 0;
if ((verticalEdge == VerticalSnapEdge.Left) && (snapRegion == SnapRegion.Exterior))
{
int num11 = bounds.Left - snapDescription.XOffset;
num4 = num.Right - num11;
}
else if ((verticalEdge == VerticalSnapEdge.Right) && (snapRegion == SnapRegion.Exterior))
{
int num12 = bounds.Right + snapDescription.XOffset;
num4 = num.Left - num12;
}
else if ((verticalEdge == VerticalSnapEdge.Left) && (snapRegion == SnapRegion.Interior))
{
int num13 = Math.Min(bounds.Right, bounds.Left + snapDescription.XOffset);
num4 = num.Left - num13;
}
else if ((verticalEdge == VerticalSnapEdge.Right) && (snapRegion == SnapRegion.Interior))
{
int num14 = Math.Max(bounds.Left, bounds.Right - snapDescription.XOffset);
num4 = num.Right - num14;
}
return(new PointInt32(num.Left - num4, num.Top - num3));
}
internal SnapObstacle(string name, Rectangle bounds, SnapRegion snapRegion, bool stickyEdges, int snapProximity, int snapDistance)
{
this.name = name;
this.bounds = bounds;
this.previousBounds = bounds;
this.snapRegion = snapRegion;
this.stickyEdges = stickyEdges;
this.snapProximity = snapProximity;
this.snapDistance = snapDistance;
this.enabled = true;
this.enableSave = true;
}
internal SnapObstacle(string name, Rectangle bounds, SnapRegion snapRegion, bool stickyEdges, int snapProximity, int snapDistance)
{
this.name = name;
this.bounds = bounds;
this.previousBounds = bounds;
this.snapRegion = snapRegion;
this.stickyEdges = stickyEdges;
this.snapProximity = snapProximity;
this.snapDistance = snapDistance;
this.enabled = true;
this.enableSave = true;
}
private static Point AdjustNewLocation(SnapObstacle obstacle, Point newLocation, SnapDescription snapDescription)
{
if (snapDescription == null ||
(snapDescription.HorizontalEdge == HorizontalSnapEdge.Neither &&
snapDescription.VerticalEdge == VerticalSnapEdge.Neither))
{
return(obstacle.Bounds.Location);
}
Rectangle obstacleRect = new Rectangle(newLocation, obstacle.Bounds.Size);
Rectangle snappedToRect = snapDescription.SnappedTo.Bounds;
HorizontalSnapEdge hEdge = snapDescription.HorizontalEdge;
VerticalSnapEdge vEdge = snapDescription.VerticalEdge;
SnapRegion region = snapDescription.SnappedTo.SnapRegion;
int deltaY = 0;
if (hEdge == HorizontalSnapEdge.Top && region == SnapRegion.Exterior)
{
int newBottomEdge = snappedToRect.Top - snapDescription.YOffset;
deltaY = obstacleRect.Bottom - newBottomEdge;
}
else if (hEdge == HorizontalSnapEdge.Bottom && region == SnapRegion.Exterior)
{
int newTopEdge = snappedToRect.Bottom + snapDescription.YOffset;
deltaY = obstacleRect.Top - newTopEdge;
}
else if (hEdge == HorizontalSnapEdge.Top && region == SnapRegion.Interior)
{
int newTopEdge = Math.Min(snappedToRect.Bottom, snappedToRect.Top + snapDescription.YOffset);
deltaY = obstacleRect.Top - newTopEdge;
}
else if (hEdge == HorizontalSnapEdge.Bottom && region == SnapRegion.Interior)
{
int newBottomEdge = Math.Max(snappedToRect.Top, snappedToRect.Bottom - snapDescription.YOffset);
deltaY = obstacleRect.Bottom - newBottomEdge;
}
int deltaX = 0;
if (vEdge == VerticalSnapEdge.Left && region == SnapRegion.Exterior)
{
int newRightEdge = snappedToRect.Left - snapDescription.XOffset;
deltaX = obstacleRect.Right - newRightEdge;
}
else if (vEdge == VerticalSnapEdge.Right && region == SnapRegion.Exterior)
{
int newLeftEdge = snappedToRect.Right + snapDescription.XOffset;
deltaX = obstacleRect.Left - newLeftEdge;
}
else if (vEdge == VerticalSnapEdge.Left && region == SnapRegion.Interior)
{
int newLeftEdge = Math.Min(snappedToRect.Right, snappedToRect.Left + snapDescription.XOffset);
deltaX = obstacleRect.Left - newLeftEdge;
}
else if (vEdge == VerticalSnapEdge.Right && region == SnapRegion.Interior)
{
int newRightEdge = Math.Max(snappedToRect.Left, snappedToRect.Right - snapDescription.XOffset);
deltaX = obstacleRect.Right - newRightEdge;
}
Point adjustedLocation = new Point(obstacleRect.Left - deltaX, obstacleRect.Top - deltaY);
return(adjustedLocation);
}
internal SnapObstacle(string name, Rectangle bounds, SnapRegion snapRegion, bool stickyEdges)
: this(name, bounds, snapRegion, stickyEdges, DefaultSnapProximity, DefaultSnapDistance)
{
}
private SnapDescription DetermineNewSnapDescription(SnapObstacle avoider, PointInt32 newLocation, SnapObstacle avoidee, SnapDescription currentSnapDescription)
{
int snapProximity;
int num4;
int num5;
int num6;
int num7;
bool flag3;
base.VerifyAccess();
avoider.VerifyAccess();
avoidee.VerifyAccess();
if ((currentSnapDescription != null) && ((currentSnapDescription.HorizontalEdge != HorizontalSnapEdge.Neither) || (currentSnapDescription.VerticalEdge != VerticalSnapEdge.Neither)))
{
snapProximity = avoidee.SnapProximity * 2;
}
else
{
snapProximity = avoidee.SnapProximity;
}
RectInt32 bounds = avoider.Bounds;
bounds.X = newLocation.X;
bounds.Y = newLocation.Y;
RectInt32 num3 = avoidee.Bounds;
bool flag = AreEdgesClose(bounds.Top, bounds.Bottom, num3.Top, num3.Bottom);
bool flag2 = AreEdgesClose(bounds.Left, bounds.Right, num3.Left, num3.Right);
SnapRegion snapRegion = avoidee.SnapRegion;
if (snapRegion != SnapRegion.Interior)
{
if (snapRegion != SnapRegion.Exterior)
{
throw ExceptionUtil.InvalidEnumArgumentException <SnapRegion>(avoidee.SnapRegion, "avoidee.SnapRegion");
}
}
else
{
num4 = Math.Abs((int)(bounds.Left - num3.Left));
num5 = Math.Abs((int)(bounds.Right - num3.Right));
num6 = Math.Abs((int)(bounds.Top - num3.Top));
num7 = Math.Abs((int)(bounds.Bottom - num3.Bottom));
goto Label_0184;
}
num4 = Math.Abs((int)(bounds.Left - num3.Right));
num5 = Math.Abs((int)(bounds.Right - num3.Left));
num6 = Math.Abs((int)(bounds.Top - num3.Bottom));
num7 = Math.Abs((int)(bounds.Bottom - num3.Top));
Label_0184:
flag3 = num4 < snapProximity;
bool flag4 = num5 < snapProximity;
bool flag5 = num6 < snapProximity;
bool flag6 = num7 < snapProximity;
VerticalSnapEdge neither = VerticalSnapEdge.Neither;
if (flag)
{
if ((flag3 && (avoidee.SnapRegion == SnapRegion.Exterior)) || (flag4 && (avoidee.SnapRegion == SnapRegion.Interior)))
{
neither = VerticalSnapEdge.Right;
}
else if ((flag4 && (avoidee.SnapRegion == SnapRegion.Exterior)) || (flag3 && (avoidee.SnapRegion == SnapRegion.Interior)))
{
neither = VerticalSnapEdge.Left;
}
}
HorizontalSnapEdge horizontalEdge = HorizontalSnapEdge.Neither;
if (flag2)
{
if ((flag5 && (avoidee.SnapRegion == SnapRegion.Exterior)) || (flag6 && (avoidee.SnapRegion == SnapRegion.Interior)))
{
horizontalEdge = HorizontalSnapEdge.Bottom;
}
else if ((flag6 && (avoidee.SnapRegion == SnapRegion.Exterior)) || (flag5 && (avoidee.SnapRegion == SnapRegion.Interior)))
{
horizontalEdge = HorizontalSnapEdge.Top;
}
}
if ((horizontalEdge != HorizontalSnapEdge.Neither) || (neither != VerticalSnapEdge.Neither))
{
int snapDistance = avoider.SnapDistance;
int yOffset = avoider.SnapDistance;
if ((horizontalEdge == HorizontalSnapEdge.Neither) && (avoidee.SnapRegion == SnapRegion.Interior))
{
yOffset = bounds.Top - num3.Top;
horizontalEdge = HorizontalSnapEdge.Top;
}
if ((neither == VerticalSnapEdge.Neither) && (avoidee.SnapRegion == SnapRegion.Interior))
{
snapDistance = bounds.Left - num3.Left;
neither = VerticalSnapEdge.Left;
}
return(new SnapDescription(avoidee, horizontalEdge, neither, snapDistance, yOffset));
}
return(null);
}
public SnapObstacleController(string name, Rectangle bounds, SnapRegion snapRegion, bool stickyEdges, int snapProximity, int snapDistance)
: base(name, bounds, snapRegion, stickyEdges, snapProximity, snapDistance)
{
}
public SnapObstacleController(string name, Rectangle bounds, SnapRegion snapRegion, bool stickyEdges)
: base(name, bounds, snapRegion, stickyEdges)
{
}
internal SnapObstacle(string name, Rectangle bounds, SnapRegion snapRegion, bool stickyEdges)
: this(name, bounds, snapRegion, stickyEdges, DefaultSnapProximity, DefaultSnapDistance)
{
}
public SnapObstacleController(string name, Rectangle bounds, SnapRegion snapRegion, bool stickyEdges, int snapProximity, int snapDistance)
: base(name, bounds, snapRegion, stickyEdges, snapProximity, snapDistance)
{
}
public SnapObstacleController(string name, Rectangle bounds, SnapRegion snapRegion, bool stickyEdges)
: base(name, bounds, snapRegion, stickyEdges)
{
}
public SnapObstacleController(string name, RectInt32 bounds, SnapRegion snapRegion, bool stickyEdges, int snapProximity, int snapDistance, ISnapObstaclePersist persistenceHandler) : base(name, bounds, snapRegion, stickyEdges, snapProximity, snapDistance, persistenceHandler)
{
}
