Point x,y fixes from Pierre

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29206 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn 2004-09-18 17:21:57 +00:00
parent ccbc8038e6
commit ae601e32a8
4 changed files with 136 additions and 145 deletions

View File

@ -836,9 +836,9 @@ class Shape(ShapeEvtHandler):
"""
physicalAttachment = self.LogicalToPhysicalAttachment(attachmentPoint)
if physicalAttachment in [0, 2]:
return pt1.x <= pt2.x
return pt1[0] <= pt2[0]
elif physicalAttachment in [1, 3]:
return pt1.y <= pt2.y
return pt1[1] <= pt2[1]
return False
@ -1479,7 +1479,7 @@ class Shape(ShapeEvtHandler):
return self._xpos, self._ypos
elif self._attachmentMode == ATTACHMENT_MODE_BRANCHING:
pt, stemPt = self.GetBranchingAttachmentPoint(attachment, nth)
return pt.x, pt.y
return pt[0], pt[1]
elif self._attachmentMode == ATTACHMENT_MODE_EDGE:
if len(self._attachmentPoints):
for point in self._attachmentPoints:
@ -1670,41 +1670,41 @@ class Shape(ShapeEvtHandler):
# Assume that we have attachment points 0 to 3: top, right, bottom, left
if physicalAttachment == 0:
neck.x = self.GetX()
neck.y = root.y - self._branchNeckLength
neck[0] = self.GetX()
neck[1] = root[1] - self._branchNeckLength
shoulder1.x = root.x - totalBranchLength / 2.0
shoulder2.x = root.x + totalBranchLength / 2.0
shoulder1[0] = root[0] - totalBranchLength / 2.0
shoulder2[0] = root[0] + totalBranchLength / 2.0
shoulder1.y = neck.y
shoulder2.y = neck.y
shoulder1[1] = neck[1]
shoulder2[1] = neck[1]
elif physicalAttachment == 1:
neck.x = root.x + self._branchNeckLength
neck.y = root.y
neck[0] = root[0] + self._branchNeckLength
neck[1] = root[1]
shoulder1.x = neck.x
shoulder2.x = neck.x
shoulder1[0] = neck[0]
shoulder2[0] = neck[0]
shoulder1.y = neck.y - totalBranchLength / 2.0
shoulder1.y = neck.y + totalBranchLength / 2.0
shoulder1[1] = neck[1] - totalBranchLength / 2.0
shoulder1[1] = neck[1] + totalBranchLength / 2.0
elif physicalAttachment == 2:
neck.x = self.GetX()
neck.y = root.y + self._branchNeckLength
neck[0] = self.GetX()
neck[1] = root[1] + self._branchNeckLength
shoulder1.x = root.x - totalBranchLength / 2.0
shoulder2.x = root.x + totalBranchLength / 2.0
shoulder1[0] = root[0] - totalBranchLength / 2.0
shoulder2[0] = root[0] + totalBranchLength / 2.0
shoulder1.y = neck.y
shoulder2.y = neck.y
shoulder1[1] = neck[1]
shoulder2[1] = neck[1]
elif physicalAttachment == 3:
neck.x = root.x - self._branchNeckLength
neck.y = root.y
neck[0] = root[0] - self._branchNeckLength
neck[1] = root[1]
shoulder1.x = neck.x
shoulder2.x = neck.x
shoulder1[0] = neck[0]
shoulder2[0] = neck[0]
shoulder1.y = neck.y - totalBranchLength / 2.0
shoulder2.y = neck.y + totalBranchLength / 2.0
shoulder1[1] = neck[1] - totalBranchLength / 2.0
shoulder2[1] = neck[1] + totalBranchLength / 2.0
else:
raise "Unrecognised attachment point in GetBranchingAttachmentInfo"
return root, neck, shoulder1, shoulder2
@ -1717,29 +1717,29 @@ class Shape(ShapeEvtHandler):
stemPt = wx.RealPoint()
if physicalAttachment == 0:
pt.y = neck.y - self._branchStemLength
pt.x = shoulder1.x + n * self._branchSpacing
pt[1] = neck[1] - self._branchStemLength
pt[0] = shoulder1[0] + n * self._branchSpacing
stemPt.x = pt.x
stemPt.y = neck.y
stemPt[0] = pt[0]
stemPt[1] = neck[1]
elif physicalAttachment == 2:
pt.y = neck.y + self._branchStemLength
pt.x = shoulder1.x + n * self._branchStemLength
pt[1] = neck[1] + self._branchStemLength
pt[0] = shoulder1[0] + n * self._branchStemLength
stemPt.x = pt.x
stemPt.y = neck.y
stemPt[0] = pt[0]
stemPt[1] = neck[1]
elif physicalAttachment == 1:
pt.x = neck.x + self._branchStemLength
pt.y = shoulder1.y + n * self._branchSpacing
pt[0] = neck[0] + self._branchStemLength
pt[1] = shoulder1[1] + n * self._branchSpacing
stemPt.x = neck.x
stemPt.y = pt.y
stemPt[0] = neck[0]
stemPt[1] = pt[1]
elif physicalAttachment == 3:
pt.x = neck.x - self._branchStemLength
pt.y = shoulder1.y + n * self._branchSpacing
pt[0] = neck[0] - self._branchStemLength
pt[1] = shoulder1[1] + n * self._branchSpacing
stemPt.x = neck.x
stemPt.y = pt.y
stemPt[0] = neck[0]
stemPt[1] = pt[1]
else:
raise "Unrecognised attachment point in GetBranchingAttachmentPoint"
@ -1765,17 +1765,17 @@ class Shape(ShapeEvtHandler):
# Assume that we have attachment points 0 to 3: top, right, bottom, left
if physicalAttachment == 0:
root.x = self.GetX()
root.y = self.GetY() - height / 2.0
root[0] = self.GetX()
root[1] = self.GetY() - height / 2.0
elif physicalAttachment == 1:
root.x = self.GetX() + width / 2.0
root.y = self.GetY()
root[0] = self.GetX() + width / 2.0
root[1] = self.GetY()
elif physicalAttachment == 2:
root.x = self.GetX()
root.y = self.GetY() + height / 2.0
root[0] = self.GetX()
root[1] = self.GetY() + height / 2.0
elif physicalAttachment == 3:
root.x = self.GetX() - width / 2.0
root.y = self.GetY()
root[0] = self.GetX() - width / 2.0
root[1] = self.GetY()
else:
raise "Unrecognised attachment point in GetBranchingAttachmentRoot"
@ -1809,7 +1809,7 @@ class Shape(ShapeEvtHandler):
if self.GetBranchStyle() & BRANCHING_ATTACHMENT_BLOB and count > 1:
blobSize = 6.0
dc.DrawEllipse(stemPt.x - blobSize / 2.0, stemPt.y - blobSize / 2.0, blobSize, blobSize)
dc.DrawEllipse(stemPt[0] - blobSize / 2.0, stemPt[1] - blobSize / 2.0, blobSize, blobSize)
def OnDrawBranches(self, dc, erase = False):
if self._attachmentMode != ATTACHMENT_MODE_BRANCHING:
@ -2442,15 +2442,15 @@ class PolygonShape(Shape):
bottom = -10000
for point in self._points:
if point.x < left:
left = point.x
if point.x > right:
right = point.x
if point[0] < left:
left = point[0]
if point[0] > right:
right = point[0]
if point.y < top:
top = point.y
if point.y > bottom:
bottom = point.y
if point[1] < top:
top = point[1]
if point[1] > bottom:
bottom = point[1]
self._boundWidth = right - left
self._boundHeight = bottom - top
@ -2468,15 +2468,15 @@ class PolygonShape(Shape):
bottom = -10000
for point in self._points:
if point.x < left:
left = point.x
if point.x > right:
right = point.x
if point[0] < left:
left = point[0]
if point[0] > right:
right = point[0]
if point.y < top:
top = point.y
if point.y > bottom:
bottom = point.y
if point[1] < top:
top = point[1]
if point[1] > bottom:
bottom = point[1]
bwidth = right - left
bheight = bottom - top
@ -2484,9 +2484,8 @@ class PolygonShape(Shape):
newCentreX = left + bwidth / 2.0
newCentreY = top + bheight / 2.0
for point in self._points:
point.x -= newCentreX
point.y -= newCentreY
for i in range(len(self._points)):
self._points[i] = self._points[i][0] - newCentreX, self._points[i][1] - newCentreY
self._xpos += newCentreX
self._ypos += newCentreY
@ -2502,8 +2501,8 @@ class PolygonShape(Shape):
ypoints = []
for point in self._points:
xpoints.append(point.x + self._xpos)
ypoints.append(point.y + self._ypos)
xpoints.append(point[0] + self._xpos)
ypoints.append(point[1] + self._ypos)
# We assume it's inside the polygon UNLESS one or more
# lines don't hit the outline.
@ -2542,8 +2541,7 @@ class PolygonShape(Shape):
y_proportion = abs(float(new_height) / self._originalHeight)
for i in range(max(len(self._points), len(self._originalPoints))):
self._points[i].x = self._originalPoints[i][0] * x_proportion
self._points[i].y = self._originalPoints[i][1] * y_proportion
self._points[i] = wx.Point(self._originalPoints[i][0] * x_proportion, self._originalPoints[i][1] * y_proportion)
self._boundWidth = abs(new_width)
self._boundHeight = abs(new_height)
@ -2557,7 +2555,7 @@ class PolygonShape(Shape):
self._originalPoints = []
for point in self._points:
original_point = wx.RealPoint(point.x, point.y)
original_point = wx.RealPoint(point[0], point[1])
self._originalPoints.append(original_point)
self.CalculateBoundingBox()
@ -2576,8 +2574,8 @@ class PolygonShape(Shape):
except ValueError:
secondPoint = self._points[0]
x = (secondPoint.x - firstPoint.x) / 2.0 + firstPoint.x
y = (secondPoint.y - firstPoint.y) / 2.0 + firstPoint.y
x = (secondPoint[0] - firstPoint[0]) / 2.0 + firstPoint[0]
y = (secondPoint[1] - firstPoint[1]) / 2.0 + firstPoint[1]
point = wx.RealPoint(x, y)
if pos >= len(self._points) - 1:
@ -2610,17 +2608,17 @@ class PolygonShape(Shape):
# Look for the point we'd be connecting to. This is
# a heuristic...
for point in self._points:
if point.x == 0:
if y2 > y1 and point.y > 0:
return point.x + self._xpos, point.y + self._ypos
elif y2 < y1 and point.y < 0:
return point.x + self._xpos, point.y + self._ypos
if point[0] == 0:
if y2 > y1 and point[1] > 0:
return point[0] + self._xpos, point[1] + self._ypos
elif y2 < y1 and point[1] < 0:
return point[0] + self._xpos, point[1] + self._ypos
xpoints = []
ypoints = []
for point in self._points:
xpoints.append(point.x + self._xpos)
ypoints.append(point.y + self._ypos)
xpoints.append(point[0] + self._xpos)
ypoints.append(point[1] + self._ypos)
return FindEndForPolyline(xpoints, ypoints, x1, y1, x2, y2)
@ -2655,15 +2653,15 @@ class PolygonShape(Shape):
# Make as many control points as there are vertices
def MakeControlPoints(self):
for point in self._points:
control = PolygonControlPoint(self._canvas, self, CONTROL_POINT_SIZE, point, point.x, point.y)
control = PolygonControlPoint(self._canvas, self, CONTROL_POINT_SIZE, point, point[0], point[1])
self._canvas.AddShape(control)
self._controlPoints.append(control)
def ResetControlPoints(self):
for i in range(min(len(self._points), len(self._controlPoints))):
point = self._points[i]
self._controlPoints[i]._xoffset = point.x
self._controlPoints[i]._yoffset = point.y
self._controlPoints[i]._xoffset = point[0]
self._controlPoints[i]._yoffset = point[1]
self._controlPoints[i].polygonVertex = point
def GetNumberOfAttachments(self):
@ -2676,7 +2674,7 @@ class PolygonShape(Shape):
def GetAttachmentPosition(self, attachment, nth = 0, no_arcs = 1, line = None):
if self._attachmentMode == ATTACHMENT_MODE_EDGE and self._points and attachment < len(self._points):
point = self._points[0]
return point.x + self._xpos, point.y + self._ypos
return point[0] + self._xpos, point[1] + self._ypos
return Shape.GetAttachmentPosition(self, attachment, nth, no_arcs, line)
def AttachmentIsValid(self, attachment):
@ -2707,20 +2705,20 @@ class PolygonShape(Shape):
point._x = x1 * cosTheta - y1 * sinTheta + x * (1 - cosTheta) + y * sinTheta
point._y = x1 * sinTheta + y1 * cosTheta + y * (1 - cosTheta) + x * sinTheta
for point in self._points:
x1 = point.x
y1 = point.y
for i in range(len(self._points)):
x1, y1 = self._points[i]
point.x = x1 * cosTheta - y1 * sinTheta + x * (1 - cosTheta) + y * sinTheta
point.y = x1 * sinTheta + y1 * cosTheta + y * (1 - cosTheta) + x * sinTheta
self._points[i] = x1 * cosTheta - y1 * sinTheta + x * (1 - cosTheta) + y * sinTheta, x1 * sinTheta + y1 * cosTheta + y * (1 - cosTheta) + x * sinTheta
for point in self._originalPoints:
x1 = point.x
y1 = point.y
for i in range(len(self._originalPoints)):
x1, y1 = self._originalPoints[i]
point.x = x1 * cosTheta - y1 * sinTheta + x * (1 - cosTheta) + y * sinTheta
point.y = x1 * sinTheta + y1 * cosTheta + y * (1 - cosTheta) + x * sinTheta
self._originalPoints[i] = x1 * cosTheta - y1 * sinTheta + x * (1 - cosTheta) + y * sinTheta, x1 * sinTheta + y1 * cosTheta + y * (1 - cosTheta) + x * sinTheta
# Added by Pierre Hjälm. If we don't do this the outline will be
# the wrong size. Hopefully it won't have any ill effects.
self.UpdateOriginalPoints()
self._rotation = theta
self.CalculatePolygonCentre()
@ -2743,7 +2741,7 @@ class PolygonShape(Shape):
pt.CalculateNewSize(x, y)
self.GetEventHandler().OnDrawOutline(dc, self.GetX(), self.GetY(), pt.GetNewSize().x, pt.GetNewSize().y)
self.GetEventHandler().OnDrawOutline(dc, self.GetX(), self.GetY(), pt.GetNewSize()[0], pt.GetNewSize()[1])
def OnSizingBeginDragLeft(self, pt, x, y, keys = 0, attachment = 0):
dc = wx.ClientDC(self.GetCanvas())
@ -2758,8 +2756,8 @@ class PolygonShape(Shape):
dist = math.sqrt((x - self.GetX()) * (x - self.GetX()) + (y - self.GetY()) * (y - self.GetY()))
pt._originalDistance = dist
pt._originalSize.x = bound_x
pt._originalSize.y = bound_y
pt._originalSize[0] = bound_x
pt._originalSize[1] = bound_y
if pt._originalDistance == 0:
pt._originalDistance = 0.0001
@ -2772,7 +2770,7 @@ class PolygonShape(Shape):
pt.CalculateNewSize(x, y)
self.GetEventHandler().OnDrawOutline(dc, self.GetX(), self.GetY(), pt.GetNewSize().x, pt.GetNewSize().y)
self.GetEventHandler().OnDrawOutline(dc, self.GetX(), self.GetY(), pt.GetNewSize()[0], pt.GetNewSize()[1])
self._canvas.CaptureMouse()
@ -2789,7 +2787,7 @@ class PolygonShape(Shape):
self.CalculateBoundingBox()
self.CalculatePolygonCentre()
else:
self.SetSize(pt.GetNewSize().x, pt.GetNewSize().y)
self.SetSize(pt.GetNewSize()[0], pt.GetNewSize()[1])
self.Recompute()
self.ResetControlPoints()
@ -3152,8 +3150,8 @@ class PolygonControlPoint(ControlPoint):
bound_x, bound_y = self.GetShape().GetBoundingBoxMax()
dist = math.sqrt((x - self._shape.GetX()) * (x - self._shape.GetX()) + (y - self._shape.GetY()) * (y - self._shape.GetY()))
self._newSize.x = dist / self._originalDistance * self._originalSize.x
self._newSize.y = dist / self._originalDistance * self._originalSize.y
self._newSize[0] = dist / self._originalDistance * self._originalSize[0]
self._newSize[1] = dist / self._originalDistance * self._originalSize[1]
# Implement resizing polygon or moving the vertex
def OnDragLeft(self, draw, x, y, keys = 0, attachment = 0):

View File

@ -260,12 +260,12 @@ class DividedShape(RectangleShape):
if line and line.GetAlignmentType(isEnd) == LINE_ALIGNMENT_TO_NEXT_HANDLE:
# Align line according to the next handle along
point = line.GetNextControlPoint(self)
if point.x < left:
if point[0] < left:
x = left
elif point.x > right:
elif point[0] > right:
x = right
else:
x = point.x
x = point[0]
else:
x = left + (nth + 1) * self._width / (no_arcs + 1.0)
else:
@ -276,12 +276,12 @@ class DividedShape(RectangleShape):
if line and line.GetAlignmentType(isEnd) == LINE_ALIGNMENT_TO_NEXT_HANDLE:
# Align line according to the next handle along
point = line.GetNextControlPoint(self)
if point.x < left:
if point[0] < left:
x = left
elif point.x > right:
elif point[0] > right:
x = right
else:
x = point.x
x = point[0]
else:
x = left + (nth + 1) * self._width / (no_arcs + 1.0)
else:
@ -310,12 +310,12 @@ class DividedShape(RectangleShape):
if line and line.GetAlignmentType(isEnd) == LINE_ALIGNMENT_TO_NEXT_HANDLE:
# Align line according to the next handle along
point = line.GetNextControlPoint(self)
if point.y < bottom:
if point[1] < bottom:
y = bottom
elif point.y > top:
elif point[1] > top:
y = top
else:
y = point.y
y = point[1]
else:
y = top + (nth + 1) * region._height / (no_arcs + 1.0)
else:

View File

@ -61,6 +61,9 @@ class DrawOp(object):
def Translate(self, x, y):
pass
def Rotate(self, x, y, theta, sinTheta, cosTheta):
pass
class OpSetGDI(DrawOp):
"""Set font, brush, text colour."""
@ -163,7 +166,7 @@ class OpDraw(DrawOp):
elif self._op == DRAWOP_DRAW_ARC:
dc.DrawArc(self._x2 + xoffset, self._y2 + yoffset, self._x3 + xoffset, self._y3 + yoffset, self._x1 + xoffset, self._y1 + yoffset)
elif self._op == DRAWOP_DRAW_ELLIPTIC_ARC:
dc.DrawEllipticArc(self._x1 + xoffset, self._y1 + yoffset, self._x2, self._y2, self._x3 * 360 / (2 * math.pi), self.y3 * 360 / (2 * math.pi))
dc.DrawEllipticArc(self._x1 + xoffset, self._y1 + yoffset, self._x2, self._y2, self._x3 * 360 / (2 * math.pi), self._y3 * 360 / (2 * math.pi))
elif self._op == DRAWOP_DRAW_POINT:
dc.DrawPoint(self._x1 + xoffset, self._y1 + yoffset)
elif self._op == DRAWOP_DRAW_TEXT:
@ -263,7 +266,7 @@ class OpPolyDraw(DrawOp):
def Scale(self, scaleX, scaleY):
for i in range(self._noPoints):
self._points[i] = self._points[i][0] * scaleX, self._points[i][1] * scaleY
self._points[i] = wx.Point(self._points[i][0] * scaleX, self._points[i][1] * scaleY)
def Translate(self, x, y):
for i in range(self._noPoints):
@ -275,8 +278,7 @@ class OpPolyDraw(DrawOp):
x1 = self._points[i][0]
y1 = self._points[i][1]
self._points[i][0] = x1 * cosTheta - y1 * sinTheta + x * (1 - cosTheta) + y * sinTheta
self._points[i][1] = x1 * sinTheta + y1 * cosTheta + y * (1 - cosTheta) + x * sinTheta
self._points[i] = x1 * cosTheta - y1 * sinTheta + x * (1 - cosTheta) + y * sinTheta, x1 * sinTheta + y1 * cosTheta + y * (1 - cosTheta) + x * sinTheta
def OnDrawOutline(self, dc, x, y, w, h, oldW, oldH):
dc.SetBrush(wx.TRANSPARENT_BRUSH)
@ -394,8 +396,8 @@ class PseudoMetaFile(object):
if theta1 == 0:
return
cosTheta = cos(theta1)
sinTheta = sin(theta1)
cosTheta = math.cos(theta1)
sinTheta = math.sin(theta1)
for op in self._ops:
op.Rotate(x, y, theta, sinTheta, cosTheta)
@ -710,7 +712,7 @@ class DrawnShape(RectangleShape):
# of metafiles.
def DetermineMetaFile(self, rotation):
tolerance = 0.0001
angles = [0.0, math.pi / 2, math.pi, 3 * pi / 2]
angles = [0.0, math.pi / 2, math.pi, 3 * math.pi / 2]
whichMetaFile = 0

View File

@ -330,7 +330,8 @@ class LineShape(Shape):
# initialize them by placing them half way between the first
# and the last.
for point in self._lineControlPoints[1:]:
for i in range(1,len(self._lineControlPoints)):
point = self._lineControlPoints[i]
if point[0] == -999:
if first_point[0] < last_point[0]:
x1 = first_point[0]
@ -344,8 +345,7 @@ class LineShape(Shape):
else:
y2 = first_point[1]
y1 = last_point[1]
point[0] = (x2 - x1) / 2.0 + x1
point[1] = (y2 - y1) / 2.0 + y1
self._lineControlPoints[i] = (x2 - x1) / 2.0 + x1, (y2 - y1) / 2.0 + y1
def FormatText(self, dc, s, i):
"""Format a text string according to the region size, adding
@ -490,15 +490,10 @@ class LineShape(Shape):
def SetEnds(self, x1, y1, x2, y2):
"""Set the end positions of the line."""
self._lineControlPoints[0] = x1, y1
self._lineControlPoints[-1] = x2, y2
# Find centre point
first_point = self._lineControlPoints[0]
last_point = self._lineControlPoints[-1]
first_point[0] = x1
first_point[1] = y1
last_point[0] = x2
last_point[1] = y2
self._xpos = (x1 + x2) / 2.0
self._ypos = (y1 + y2) / 2.0
@ -935,8 +930,8 @@ class LineShape(Shape):
# if attachment mode is ON
if self._from == self._to and self._from.GetAttachmentMode() != ATTACHMENT_MODE_NONE and moveControlPoints and self._lineControlPoints and not (x_offset == 0 and y_offset == 0):
for point in self._lineControlPoints[1:-1]:
point.x += x_offset
point.y += y_offset
point[0] += x_offset
point[1] += y_offset
self.Move(dc, self._xpos, self._ypos)
@ -1005,7 +1000,7 @@ class LineShape(Shape):
points = []
for point in self._lineControlPoints:
points.append(wx.Point(point.x, point.y))
points.append(wx.Point(point[0], point[1]))
#print points
if self._isSpline:
@ -1016,7 +1011,7 @@ class LineShape(Shape):
if sys.platform[:3] == "win":
# For some reason, last point isn't drawn under Windows
pt = points[-1]
dc.DrawPoint(pt.x, pt.y)
dc.DrawPoint(pt[0], pt[1])
# Problem with pen - if not a solid pen, does strange things
# to the arrowhead. So make (get) a new pen that's solid.
@ -1150,8 +1145,7 @@ class LineShape(Shape):
pt.SetX(x)
pt.SetY(y)
pt._point[0] = x
pt._point[1] = y
pt._point = x, y
old_pen = self.GetPen()
old_brush = self.GetBrush()
@ -1186,8 +1180,7 @@ class LineShape(Shape):
pt._xpos = x
pt._ypos = y
pt._point[0] = x
pt._point[1] = y
pt._point = x, y
old_pen = self.GetPen()
old_brush = self.GetBrush()
@ -1223,8 +1216,7 @@ class LineShape(Shape):
# as it changed shape.
pt._xpos = pt._originalPos[0]
pt._ypos = pt._originalPos[1]
pt._point[0] = pt._originalPos[0]
pt._point[1] = pt._originalPos[1]
pt._point = pt._originalPos[0], pt._originalPos[1]
self.OnMoveMiddleControlPoint(dc, pt, rpt)
@ -1247,8 +1239,7 @@ class LineShape(Shape):
lpt._xpos = pt[0]
lpt._ypos = pt[1]
lpt._point[0] = pt[0]
lpt._point[1] = pt[1]
lpt._point = pt[0], pt[1]
self.GetEventHandler().OnMoveLink(dc)