private void DrawGroupPinNodeFakeEdge(ICircuitGroupPin <TElement> grpPin, PointF grpPinPos, bool inputSide, DiagramDrawingStyle style, D2dGraphics g)
{
ElementTypeInfo info = GetElementTypeInfo(grpPin.InternalElement, g);
D2dBrush pen = (style == DiagramDrawingStyle.Normal) ? SubGraphPinBrush : Theme.GetOutLineBrush(style);
if (inputSide)
{
PointF op = grpPinPos;
float x1 = op.X + CircuitGroupPinInfo.FloatingPinBoxWidth;
float y1 = op.Y + CircuitGroupPinInfo.FloatingPinBoxHeight / 2;
Point ip = grpPin.InternalElement.Bounds.Location;
float x2 = ip.X;
float y2 = ip.Y + GetPinOffset(grpPin.InternalElement, grpPin.InternalPinIndex, true);
DrawWire(g, m_fakeInputLinkPen, x1, y1, x2, y2, 1.0f, m_VirtualLinkStrokeStyle);
}
else
{
Point op = grpPin.InternalElement.Bounds.Location;
float x1 = op.X + info.Size.Width;
float y1 = op.Y + GetPinOffset(grpPin.InternalElement, grpPin.InternalPinIndex, false);
PointF ip = grpPinPos;
float x2 = ip.X;
float y2 = ip.Y + CircuitGroupPinInfo.FloatingPinBoxHeight / 2;
DrawWire(g, m_fakeOutputLinkPen, x1, y1, x2, y2, 1.0f, m_VirtualLinkStrokeStyle);
}
}
private void DrawArrow(D2dGraphics g, D2dBrush brush, PointF p, float dx, float dy)
{
const float cos = 0.866f;
const float sin = 0.500f;
PointF end1 = new PointF(
(float)(p.X + (dx * cos + dy * -sin)),
(float)(p.Y + (dx * sin + dy * cos)));
PointF end2 = new PointF(
(float)(p.X + (dx * cos + dy * sin)),
(float)(p.Y + (dx * -sin + dy * cos)));
g.DrawLine(p, end1, brush, m_theme.StrokeWidth);
g.DrawLine(p, end2, brush, m_theme.StrokeWidth);
}
/// <summary>
/// Registers a brush (pen) with a unique key</summary>
/// <param name="key">Key to access brush</param>
/// <param name="brush">Custom brush</param>
public void RegisterCustomBrush(object key, D2dBrush brush)
{
D2dBrush oldBrush;
m_brushes.TryGetValue(key, out oldBrush);
if (brush != oldBrush)
{
if (oldBrush != null)
{
oldBrush.Dispose();
}
m_brushes[key] = brush;
OnRedraw();
}
}
private void DrawArrow(Vec2F p, Vec2F d, D2dBrush brush, D2dGraphics g)
{
d.Normalize();
// draw arrowhead
const double cos = -0.866;
const double sin = -0.500;
PointF head = new PointF(p.X, p.Y);
PointF end1 = new PointF(
(float)(p.X + (d.X * cos + d.Y * -sin) * m_arrowSize),
(float)(p.Y + (d.X * sin + d.Y * cos) * m_arrowSize));
PointF end2 = new PointF(
(float)(p.X + (d.X * cos + d.Y * sin) * m_arrowSize),
(float)(p.Y + (d.X * -sin + d.Y * cos) * m_arrowSize));
g.DrawLine(head, end1, brush, m_theme.StrokeWidth);
g.DrawLine(head, end2, brush, m_theme.StrokeWidth);
}
private void Draw(TEdge edge, D2dBrush brush, D2dGraphics g)
{
PointF p1, p2, p3, p4;
float d = GetTransitionPoints(edge, out p1, out p2, out p3, out p4);
DrawEdgeSpline(p1, p2, p3, p4, d, brush, g);
GdiUtil.MakeRectangle(p1, p2);
BezierCurve2F curve = new BezierCurve2F(p1, p2, p3, p4);
Vec2F midpoint = curve.Evaluate(0.5f);
midpoint.X += 2;
string label = edge.Label;
if (!string.IsNullOrEmpty(label))
{
g.DrawText(edge.Label, m_theme.TextFormat, new PointF(midpoint.X, midpoint.Y), m_theme.TextBrush);
}
}
private void DrawEyeIcon(RectangleF rect, D2dBrush pen, float strokeWidth, D2dGraphics g)
{
//g.DrawRectangle(rect, pen);
float delta = rect.Width / 3;
var p1 = new PointF(rect.X, rect.Y + rect.Height / 2);
var p2 = new PointF(p1.X + delta, rect.Y);
var p3 = new PointF(p1.X + 2 * delta, rect.Y);
var p4 = new PointF(rect.X + rect.Width, rect.Y + rect.Height / 2);
g.DrawBezier(p1, p2, p3, p4, pen, strokeWidth);// top lid
p2 = new PointF(p2.X, rect.Y + rect.Height);
p3 = new PointF(p3.X, rect.Y + rect.Height);
g.DrawBezier(p1, p2, p3, p4, pen, strokeWidth); //bottom lid
PointF irisCenter = new PointF(rect.X + rect.Width / 2, rect.Y + rect.Height / 2);
float irisRadius = 0.2f * Math.Min(rect.Width, rect.Height);
RectangleF irisRect = new RectangleF(irisCenter.X - irisRadius, irisCenter.Y - irisRadius, 2 * irisRadius, 2 * irisRadius);
g.DrawEllipse(irisRect, pen, strokeWidth * 1.8f);
}
private void DrawOutline(TNode state, D2dBrush brush, D2dGraphics g)
{
RectangleF bounds = state.Bounds;
if (state.Type != StateType.Normal)
{
g.DrawEllipse((D2dEllipse)bounds, brush, m_theme.StrokeWidth);
}
else
{
float scaleX = g.Transform.M11; // assume no rotation.
float radInPixel = scaleX * CornerRadius;
if (radInPixel > MinRadiusInPixel)
{
m_stateRect.Rect = bounds;
g.DrawRoundedRectangle(m_stateRect, brush, m_theme.StrokeWidth);
}
else
{
g.DrawRectangle(bounds, brush, m_theme.StrokeWidth);
}
}
}
private void Draw(TEdge edge, D2dBrush brush, D2dGraphics g)
{
Vec2F startPoint = new Vec2F();
Vec2F endPoint = new Vec2F();
CircleF c = new CircleF();
bool moreThan180 = false;
Vec2F endTangent;
Vec2F textPoint;
int route = edge.FromRoute.Index;
if (GetEdgeGeometry(edge, route, ref startPoint, ref endPoint, ref c, ref moreThan180))
{
g.DrawLine(new PointF(startPoint.X, startPoint.Y),
new PointF(endPoint.X, endPoint.Y),
brush,
m_theme.StrokeWidth);
endTangent = endPoint - startPoint;
textPoint = (endPoint + startPoint) * 0.5f;
}
else
{
// prepare to draw arc
RectangleF rect = new RectangleF(c.Center.X - c.Radius, c.Center.Y - c.Radius, 2 * c.Radius, 2 * c.Radius);
double angle1 = Math.Atan2(startPoint.Y - c.Center.Y, startPoint.X - c.Center.X);
double angle2 = Math.Atan2(endPoint.Y - c.Center.Y, endPoint.X - c.Center.X);
const double twoPi = 2 * Math.PI;
// swap so we always go clockwise
if (angle1 > angle2)
{
double temp = angle1;
angle1 = angle2;
angle2 = temp;
}
double startAngle = angle1;
double sweepAngle = angle2 - angle1;
if (moreThan180)
{
if (sweepAngle < Math.PI)
{
sweepAngle = -(twoPi - sweepAngle);
}
}
else
{
if (sweepAngle > Math.PI)
{
sweepAngle = -(twoPi - sweepAngle);
}
}
const double RadiansToDegrees = 360 / twoPi;
startAngle *= RadiansToDegrees;
sweepAngle *= RadiansToDegrees;
g.DrawArc((D2dEllipse)rect,
brush,
(float)startAngle,
(float)sweepAngle,
m_theme.StrokeWidth);
endTangent = endPoint - c.Center; endTangent = endTangent.Perp;
textPoint = (endPoint + startPoint) * 0.5f;
CircleF.Project(textPoint, c, ref textPoint);
if (moreThan180)
{
textPoint -= 2 * (textPoint - c.Center);
}
}
DrawArrow(endPoint, endTangent, brush, g);
string label = edge.Label;
if (!string.IsNullOrEmpty(label))
{
RectangleF textBox = new RectangleF(textPoint.X - 512, textPoint.Y, 1024, m_theme.TextFormat.FontHeight);
g.DrawText(label, m_theme.TextFormat, textBox, m_theme.TextBrush);
}
}
private void DrawOutline(TNode node, D2dBrush brush, D2dGraphics g)
{
g.DrawEllipse((D2dEllipse)node.Bounds, brush, m_theme.StrokeWidth);
}
private void DrawEdgeSpline(PointF p1, PointF p2, PointF p3, PointF p4, float d, D2dBrush brush, D2dGraphics g)
{
g.DrawBezier(p1, p2, p3, p4, brush, m_theme.StrokeWidth);
float arrowScale = (float)ArrowSize / d;
float dx = (p3.X - p4.X) * arrowScale;
float dy = (p3.Y - p4.Y) * arrowScale;
DrawArrow(g, brush, p4, dx, dy);
}