public virtual List <ConnectionPoint> GetConnectionPoints()
{
List <ConnectionPoint> connectionPoints = new List <ConnectionPoint>();
if (HasCornerConnections)
{
connectionPoints.Add(new ConnectionPoint(GripType.TopLeft, DisplayRectangle.TopLeftCorner()));
connectionPoints.Add(new ConnectionPoint(GripType.TopRight, DisplayRectangle.TopRightCorner()));
connectionPoints.Add(new ConnectionPoint(GripType.BottomLeft, DisplayRectangle.BottomLeftCorner()));
connectionPoints.Add(new ConnectionPoint(GripType.BottomRight, DisplayRectangle.BottomRightCorner()));
}
if (HasCenterConnections)
{
connectionPoints.Add(new ConnectionPoint(GripType.LeftMiddle, DisplayRectangle.LeftMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.RightMiddle, DisplayRectangle.RightMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.TopMiddle, DisplayRectangle.TopMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.BottomMiddle, DisplayRectangle.BottomMiddle()));
}
if (HasLeftRightConnections)
{
connectionPoints.Add(new ConnectionPoint(GripType.Start, DisplayRectangle.LeftMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.End, DisplayRectangle.RightMiddle()));
}
if (HasTopBottomConnections)
{
connectionPoints.Add(new ConnectionPoint(GripType.Start, DisplayRectangle.TopMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.End, DisplayRectangle.BottomMiddle()));
}
return(connectionPoints);
}
public virtual List <ShapeAnchor> GetAnchors()
{
// draw anchors
List <ShapeAnchor> anchors = new List <ShapeAnchor>();
AnchorBox r;
int anchorSize = 6;
if (HasCornerAnchors) // tai cac canh
{
Point newPoint = new Point();
newPoint = DisplayRectangle.TopLeft();
r = new AnchorBox(DisplayRectangle.TopLeft(), anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.TopLeft, r, Cursors.SizeNWSE));
newPoint = DisplayRectangle.TopRight();
newPoint.Offset(-anchorWidthHeight, 0);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.TopRight, r, Cursors.SizeNESW));
newPoint = DisplayRectangle.BottomLeft();
newPoint.Offset(0, -anchorWidthHeight);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.BottomLeft, r, Cursors.SizeNESW));
newPoint = DisplayRectangle.BottomRight();
newPoint.Offset(-anchorWidthHeight, -anchorWidthHeight);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.BottomRight, r, Cursors.SizeNWSE));
}
if (HasCenterAnchors || HasLeftRightAnchors) // tai trai va phai
{
Point newPoint = DisplayRectangle.LeftMiddle();
newPoint.Offset(0, -anchorWidthHeight / 2);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.LeftMiddle, r, Cursors.SizeWE));
newPoint = DisplayRectangle.RightMiddle();
newPoint.Offset(-anchorWidthHeight, -anchorWidthHeight / 2);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.RightMiddle, r, Cursors.SizeWE));
}
if (HasCenterAnchors || HasTopBottomAnchors) // tai vi tri tren va duoi
{
Point newPoint = new Point();
newPoint = DisplayRectangle.TopMiddle();
newPoint.Offset(-anchorWidthHeight / 2, 0);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.TopMiddle, r, Cursors.SizeNS));
newPoint = DisplayRectangle.BottomMiddle();
newPoint.Offset(-anchorWidthHeight / 2, -anchorWidthHeight);
r = new AnchorBox(newPoint, anchorSize);
anchors.Add(new ShapeAnchor(ShapeAnchor.GripType.BottomMiddle, r, Cursors.SizeNS));
}
return(anchors);
}
public override List <ConnectionPoint> GetConnectionPoints()
{
List <ConnectionPoint> connectionPoints = new List <ConnectionPoint>();
connectionPoints.Add(new ConnectionPoint(GripType.Start, DisplayRectangle.TopMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.End, DisplayRectangle.BottomMiddle()));
connectionPoints.Add(new ConnectionPoint(GripType.Start, DisplayRectangle.BottomLeftCorner()));
connectionPoints.Add(new ConnectionPoint(GripType.End, DisplayRectangle.BottomRightCorner()));
return(connectionPoints);
}
public override void Draw(Graphics gr)
{
Pen pen = (Pen)BorderPen.Clone();
if (ShowLineAsSelected)
{
pen.Color = pen.Color.ToArgb() == Color.Red.ToArgb() ? Color.Blue : Color.Red;
}
gr.DrawLine(pen, DisplayRectangle.TopMiddle(), DisplayRectangle.BottomMiddle());
pen.Dispose();
base.Draw(gr);
}
public override void Draw()
{
if (ShowConnectorAsSelected)
{
verticalLine.Stroke = new SolidColorBrush(Colors.Red);
}
else
{
verticalLine.Stroke = new SolidColorBrush(Colors.Black);
}
verticalLine.X1 = DisplayRectangle.TopMiddle().X;
verticalLine.Y1 = DisplayRectangle.TopMiddle().Y;
verticalLine.X2 = DisplayRectangle.BottomMiddle().X;
verticalLine.Y2 = DisplayRectangle.BottomMiddle().Y;
base.Draw();
}
public virtual List <ShapeAnchor> GetAnchors()
{
List <ShapeAnchor> anchors = new List <ShapeAnchor>();
Rectangle r;
Size anchorSize = new Size(anchorWidthHeight, anchorWidthHeight);
if (HasCornerAnchors)
{
r = new Rectangle(DisplayRectangle.TopLeftCorner(), anchorSize);
anchors.Add(new ShapeAnchor(GripType.TopLeft, r, Cursors.SizeNWSE));
r = new Rectangle(DisplayRectangle.TopRightCorner().Move(-anchorWidthHeight, 0), anchorSize);
anchors.Add(new ShapeAnchor(GripType.TopRight, r, Cursors.SizeNESW));
r = new Rectangle(DisplayRectangle.BottomLeftCorner().Move(0, -anchorWidthHeight), anchorSize);
anchors.Add(new ShapeAnchor(GripType.BottomLeft, r, Cursors.SizeNESW));
r = new Rectangle(DisplayRectangle.BottomRightCorner().Move(-anchorWidthHeight, -anchorWidthHeight), anchorSize);
anchors.Add(new ShapeAnchor(GripType.BottomRight, r, Cursors.SizeNWSE));
}
if (HasCenterAnchors || HasLeftRightAnchors)
{
r = new Rectangle(DisplayRectangle.LeftMiddle().Move(0, -anchorWidthHeight / 2), anchorSize);
anchors.Add(new ShapeAnchor(GripType.LeftMiddle, r, Cursors.SizeWE));
r = new Rectangle(DisplayRectangle.RightMiddle().Move(-anchorWidthHeight, -anchorWidthHeight / 2), anchorSize);
anchors.Add(new ShapeAnchor(GripType.RightMiddle, r, Cursors.SizeWE));
}
if (HasCenterAnchors || HasTopBottomAnchors)
{
r = new Rectangle(DisplayRectangle.TopMiddle().Move(-anchorWidthHeight / 2, 0), anchorSize);
anchors.Add(new ShapeAnchor(GripType.TopMiddle, r, Cursors.SizeNS));
r = new Rectangle(DisplayRectangle.BottomMiddle().Move(-anchorWidthHeight / 2, -anchorWidthHeight), anchorSize);
anchors.Add(new ShapeAnchor(GripType.BottomMiddle, r, Cursors.SizeNS));
}
return(anchors);
}
public virtual void DrawText(Graphics gr)
{
SizeF size = gr.MeasureString(Text, TextFont);
Brush brush = new SolidBrush(TextColor);
Point textpos;
// TextRenderer is terrible when font is bolded. Not sure why.
// Would be great to use this, but the rendering is so bad, I won't.
// Some info here:
// http://stackoverflow.com/questions/9038125/asp-net-textrenderer-drawtext-awful-text-images
//gr.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//gr.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit; // <-- important!
//gr.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
//gr.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
//gr.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
//gr.TextContrast = 0;
//TextFormatFlags flags = TextFormatFlags.Right | TextFormatFlags.VerticalCenter | TextFormatFlags.WordBreak;
//TextRenderer.DrawText(gr, Text, TextFont, DisplayRectangle, TextColor, flags);
switch (TextAlign)
{
case ContentAlignment.TopLeft:
textpos = DisplayRectangle.TopLeftCorner().Move(5, 5);
break;
case ContentAlignment.TopCenter:
textpos = DisplayRectangle.TopMiddle().Move((int)(-size.Width / 2), 5);
break;
case ContentAlignment.TopRight:
textpos = DisplayRectangle.TopRightCorner().Move((int)(-(size.Width + 5)), 5);
break;
case ContentAlignment.MiddleLeft:
textpos = DisplayRectangle.LeftMiddle().Move(5, (int)(-size.Height / 2));
break;
case ContentAlignment.MiddleCenter:
textpos = DisplayRectangle.Center().Move((int)(-size.Width / 2), (int)(-size.Height / 2));
break;
case ContentAlignment.MiddleRight:
textpos = DisplayRectangle.RightMiddle().Move((int)(-(size.Width + 5)), (int)(-size.Height / 2));
break;
case ContentAlignment.BottomLeft:
textpos = DisplayRectangle.BottomLeftCorner().Move(5, (int)-(size.Height + 5));
break;
case ContentAlignment.BottomCenter:
textpos = DisplayRectangle.BottomMiddle().Move((int)(-size.Width / 2), (int)-(size.Height + 5));
break;
case ContentAlignment.BottomRight:
textpos = DisplayRectangle.BottomRightCorner().Move((int)(-(size.Width + 5)), (int)-(size.Height + 5));
break;
default: // middle center
textpos = DisplayRectangle.Center().Move((int)(-size.Width / 2), (int)(-size.Height / 2));
break;
}
gr.DrawString(Text, TextFont, brush, textpos);
brush.Dispose();
}