private void DrawAnchorBox(RenderArg arg)
{
if (_anchorBoxes == null)
{
_anchorBoxes = new RectangleF[8];
for (int i = 0; i < 8; i++)
{
_anchorBoxes[i].Size = new Size(cstBoxHalfHeight * 2, cstBoxHalfHeight * 2);
}
}
//rect
arg.Graphics.DrawRectangle(BorderEditingRect, _location.X, _location.Y, _size.Width, _size.Height);
//anchor
_anchorBoxes[0].Location = new PointF(_location.X - cstBoxHalfHeight, _location.Y - cstBoxHalfHeight);
_anchorBoxes[1].Location = new PointF(_location.X + _size.Width / 2 - cstBoxHalfHeight, _location.Y - cstBoxHalfHeight);
_anchorBoxes[2].Location = new PointF(_location.X + _size.Width - cstBoxHalfHeight, _location.Y - cstBoxHalfHeight);
_anchorBoxes[6].Location = new PointF(_location.X - cstBoxHalfHeight, _location.Y + _size.Height - cstBoxHalfHeight);
_anchorBoxes[5].Location = new PointF(_location.X + _size.Width / 2 - cstBoxHalfHeight, _location.Y + _size.Height - cstBoxHalfHeight);
_anchorBoxes[4].Location = new PointF(_location.X + _size.Width - cstBoxHalfHeight, _location.Y + _size.Height - cstBoxHalfHeight);
_anchorBoxes[3].Location = new PointF(_location.X + _size.Width - cstBoxHalfHeight, _location.Y + _size.Height / 2 - cstBoxHalfHeight);
_anchorBoxes[7].Location = new PointF(_location.X - cstBoxHalfHeight, _location.Y + _size.Height / 2 - cstBoxHalfHeight);
//
for (int i = 0; i < 8; i++)
{
arg.Graphics.FillRectangle(BoxFillBrush, _anchorBoxes[i].X, _anchorBoxes[i].Y, _anchorBoxes[i].Width, _anchorBoxes[i].Height);
arg.Graphics.DrawRectangle(BorderBoxPen, _anchorBoxes[i].X, _anchorBoxes[i].Y, _anchorBoxes[i].Width, _anchorBoxes[i].Height);
}
}
public void Render(RenderArg arg)
{
PointF fPt = PointF.Empty, tPt = PointF.Empty;
GeometryHelper.GetLinkLine(_preActionElement, _nextActionElement, out fPt, out tPt);
arg.Graphics.DrawLine(PenLink, fPt, tPt);
arg.Graphics.FillPolygon(FillArrow, GetArrowPoints(fPt, tPt));
}
public void Render(RenderArg arg)
{
if (_size.IsEmpty)
{
return;
}
arg.Graphics.FillEllipse(FillBrush, _location.X, _location.Y, _size.Width, _size.Height);
arg.Graphics.DrawEllipse(BorderPen, _location.X, _location.Y, _size.Width, _size.Height);
arg.Graphics.DrawString(_name,
Font,
Brushes.Black,
new RectangleF(_location, _size),
TextStringFormat);
if (_isSelected)
{
DrawAnchorBox(arg);
}
}
private void Render(RenderArg arg)
{
if (_bindingEnvironment == null || _bindingEnvironment.ActionElements == null || _bindingEnvironment.ActionElements.Length == 0)
{
return;
}
if (_bindingEnvironment.ActionElementLinks != null && _bindingEnvironment.ActionElementLinks.Length > 0)
{
foreach (IRenderable r in _bindingEnvironment.ActionElementLinks)
{
r.Render(arg);
}
}
_bindingEnvironment.ActionElements[0].ToRectangleF(ref _fullExtent);
foreach (IRenderable r in _bindingEnvironment.ActionElements)
{
(r as ActionElement).UnitTo(ref _fullExtent);
r.Render(arg);
}
}
public void Dispose()
{
if (_tramsform != null)
{
_tramsform.Dispose();
_tramsform = null;
}
if (_identityTransform != null)
{
_identityTransform.Dispose();
_identityTransform = null;
}
if (_invertTransform != null)
{
_invertTransform.Dispose();
_invertTransform = null;
}
if (_arg != null)
{
_arg.Dispose();
_arg = null;
}
if (ActionElement.BorderPen != null)
{
ActionElement.BorderPen.Dispose();
ActionElement.BorderPen = null;
}
if (ActionElement.FillBrush != null)
{
ActionElement.FillBrush.Dispose();
ActionElement.FillBrush = null;
}
if (ActionElement.TextStringFormat != null)
{
ActionElement.TextStringFormat.Dispose();
ActionElement.TextStringFormat = null;
}
if (ActionElement.BorderEditingRect != null)
{
ActionElement.BorderEditingRect.Dispose();
ActionElement.BorderEditingRect = null;
}
if (ActionElement.BoxFillBrush != null)
{
ActionElement.BoxFillBrush.Dispose();
ActionElement.BoxFillBrush = null;
}
if (ActionElement.BorderBoxPen != null)
{
ActionElement.BorderBoxPen.Dispose();
ActionElement.BorderBoxPen = null;
}
if (ActionElementLink.PenLink != null)
{
ActionElementLink.PenLink.Dispose();
ActionElementLink.PenLink = null;
}
if (ActionElementLink.FillArrow != null)
{
ActionElementLink.FillArrow.Dispose();
ActionElementLink.FillArrow = null;
}
}
private void InitRenderArg()
{
_arg = new RenderArg(this as IModelEditor);
}
