protected override void OnPaint(PaintEventArgs e)
{
if (DesignMode)
{
e.Graphics.Clear(Settings.Color[Colors.Canvas]);
return;
}
foreach (var element in Project.Current.Elements)
{
element.Flagged = false;
}
foreach (var element in Canvas.SelectedElements)
{
element.Flagged = true;
}
using (var nativeGraphics = Graphics.FromHdc(e.Graphics.GetHdc()))
{
using (var graphics = XGraphics.FromGraphics(nativeGraphics, new XSize(Width, Height)))
{
using (var palette = new Palette())
{
var clientArea = new Rectangle(0, 0, Width, Height);
ControlPaint.DrawBorder3D(nativeGraphics, clientArea, Border3DStyle.Raised);
clientArea.Inflate(-OuterBorderSize, -OuterBorderSize);
nativeGraphics.FillRectangle(SystemBrushes.Control, clientArea);
clientArea.Inflate(-OuterPadding, -OuterPadding);
ControlPaint.DrawBorder3D(nativeGraphics, clientArea, Border3DStyle.SunkenOuter);
clientArea.Inflate(-InnerBorderSize, -InnerBorderSize);
nativeGraphics.FillRectangle(palette.CanvasBrush, clientArea);
clientArea.Inflate(-InnerPadding, -InnerPadding);
//nativeGraphics.FillRectangle(Brushes.Cyan, clientArea);
var canvasBounds = Canvas != null ? Canvas.ComputeCanvasBounds(false) : Rect.Empty;
var borderPen = palette.Pen(Settings.Color[Colors.Border], 0);
foreach (var element in Project.Current.Elements)
{
if (element is Room)
{
var room = (Room)element;
var roomBounds = CanvasToClient(room.InnerBounds.ToRectangleF(), canvasBounds, clientArea);
graphics.DrawRectangle(borderPen, room.Flagged ? palette.BorderBrush : palette.FillBrush, roomBounds);
}
}
if (Canvas != null)
{
// draw the viewport area as a selectable "handle"
var viewportBounds = CanvasToClient(Canvas.Viewport.ToRectangleF(), canvasBounds, clientArea);
viewportBounds.Intersect(clientArea);
if (Project.Current.Elements.Count > 0)
{
var context = new DrawingContext(1f);
context.Selected = m_draggingViewport;
Drawing.DrawHandle(Canvas, graphics, palette, new Rect(viewportBounds), context, true, false);
}
}
}
}
}
e.Graphics.ReleaseHdc();
base.OnPaint(e);
}
public void Draw(Canvas canvas, XGraphics graphics, Palette palette, DrawingContext context)
{
Drawing.DrawHandle(canvas, graphics, palette, bounds, context, false, false);
}
public virtual void Draw(Canvas canvas, XGraphics graphics, Palette palette, DrawingContext context)
{
Drawing.DrawHandle(canvas, graphics, palette, visualBounds, context, false, true);
}
public override void RecomputeSmartLineSegments(DrawingContext context)
{
m_smartSegments.Clear();
foreach (var lineSegment in GetSegments())
{
List<LineSegment> newSegments = null;
if (Split(lineSegment, context, ref newSegments))
{
foreach (var newSegment in newSegments)
{
m_smartSegments.Add(newSegment);
}
}
else
{
m_smartSegments.Add(lineSegment);
}
}
foreach (var segment in m_smartSegments)
{
context.LinesDrawn.Add(segment);
}
}
/// <summary>
/// Split the given line segment if it crosses line segments we've already drawn.
/// </summary>
/// <param name="lineSegment">The line segment to consider.</param>
/// <param name="context">The context in which we've been drawing line segments.</param>
/// <param name="newSegments">
/// The results of splitting the given line segment, if any. Call with a reference to a null
/// list.
/// </param>
/// <returns>True if the line segment was split and newSegments now exists and contains line segments; false otherwise.</returns>
private bool Split(LineSegment lineSegment, DrawingContext context, ref List<LineSegment> newSegments)
{
foreach (var previousSegment in context.LinesDrawn)
{
var amount = Math.Max(1, Settings.LineWidth)*3;
List<LineSegmentIntersect> intersects;
if (lineSegment.Intersect(previousSegment, true, out intersects))
{
foreach (var intersect in intersects)
{
switch (intersect.Type)
{
case LineSegmentIntersectType.MidPointA:
var one = new LineSegment(lineSegment.Start, intersect.Position);
if (one.Shorten(amount))
{
if (!Split(one, context, ref newSegments))
{
if (newSegments == null)
{
newSegments = new List<LineSegment>();
}
newSegments.Add(one);
}
}
var two = new LineSegment(intersect.Position, lineSegment.End);
if (two.Forshorten(amount))
{
if (!Split(two, context, ref newSegments))
{
if (newSegments == null)
{
newSegments = new List<LineSegment>();
}
newSegments.Add(two);
}
}
break;
case LineSegmentIntersectType.StartA:
if (lineSegment.Forshorten(amount))
{
if (!Split(lineSegment, context, ref newSegments))
{
if (newSegments == null)
{
newSegments = new List<LineSegment>();
}
newSegments.Add(lineSegment);
}
}
break;
case LineSegmentIntersectType.EndA:
if (lineSegment.Shorten(amount))
{
if (!Split(lineSegment, context, ref newSegments))
{
if (newSegments == null)
{
newSegments = new List<LineSegment>();
}
newSegments.Add(lineSegment);
}
}
break;
}
// don't check other intersects;
// we've already split this line, and tested the parts for further intersects.
return newSegments != null;
}
}
}
return false;
}
public static void DrawHandle(Canvas canvas, XGraphics graphics, Palette palette, Rect bounds, DrawingContext context, bool alwaysAlpha, bool round)
{
if (bounds.Width <= 0 || bounds.Height <= 0)
{
return;
}
using (var quality = new Smoothing(graphics, XSmoothingMode.Default))
{
XBrush brush;
Pen pen;
var alpha = 180;
if (context.Selected)
{
if (!alwaysAlpha)
{
alpha = 255;
}
brush = palette.Gradient(bounds, Color.FromArgb(alpha, Color.LemonChiffon), Color.FromArgb(alpha, Color.DarkOrange));
pen = palette.Pen(Color.FromArgb(alpha, Color.Chocolate), 0);
}
else
{
brush = palette.Gradient(bounds, Color.FromArgb(alpha, Color.LightCyan), Color.FromArgb(alpha, Color.SteelBlue));
pen = palette.Pen(Color.FromArgb(alpha, Color.Navy), 0);
}
if (round)
{
graphics.DrawEllipse(brush, bounds.ToRectangleF());
graphics.DrawEllipse(pen, bounds.ToRectangleF());
}
else
{
graphics.DrawRectangle(brush, bounds.ToRectangleF());
graphics.DrawRectangle(pen, bounds.ToRectangleF());
}
}
}
public override void Draw(XGraphics graphics, Palette palette, DrawingContext context)
{
var lineSegments = context.UseSmartLineSegments ? m_smartSegments : GetSegments();
foreach (var lineSegment in lineSegments)
{
var pen = palette.GetLinePen(context.Selected, context.Hover, Style == ConnectionStyle.Dashed);
Pen specialPen = null;
if (!context.Hover)
if ((ConnectionColor != Color.Transparent) && !context.Selected)
{
specialPen = (Pen) pen.Clone();
specialPen.Color = ConnectionColor;
}
if (!Settings.DebugDisableLineRendering)
{
graphics.DrawLine(specialPen ?? pen, lineSegment.Start.ToPointF(), lineSegment.End.ToPointF());
}
var delta = lineSegment.Delta;
if (Flow == ConnectionFlow.OneWay && delta.Length > Settings.ConnectionArrowSize)
{
SolidBrush brush = (SolidBrush) palette.GetLineBrush(context.Selected, context.Hover);
SolidBrush specialBrush = null;
if (!context.Hover)
if ((ConnectionColor != Color.Transparent) && !context.Selected)
{
specialBrush = (SolidBrush) brush.Clone();
specialBrush.Color = ConnectionColor;
}
Drawing.DrawChevron(graphics, lineSegment.Mid.ToPointF(), (float) (Math.Atan2(delta.Y, delta.X)/Math.PI*180), Settings.ConnectionArrowSize, specialBrush ?? brush);
}
context.LinesDrawn.Add(lineSegment);
}
Annotate(graphics, palette, lineSegments);
}
public override void PreDraw(DrawingContext context)
{
var topLeft = InnerBounds.GetCorner(CompassPoint.NorthWest);
var topRight = InnerBounds.GetCorner(CompassPoint.NorthEast);
var bottomLeft = InnerBounds.GetCorner(CompassPoint.SouthWest);
var bottomRight = InnerBounds.GetCorner(CompassPoint.SouthEast);
var top = new LineSegment(topLeft, topRight);
var right = new LineSegment(topRight, bottomRight);
var bottom = new LineSegment(bottomRight, bottomLeft);
var left = new LineSegment(bottomLeft, topLeft);
context.LinesDrawn.Add(top);
context.LinesDrawn.Add(right);
context.LinesDrawn.Add(bottom);
context.LinesDrawn.Add(left);
}
public override void Draw(XGraphics graphics, Palette palette, DrawingContext context)
{
Random random = new Random(Name.GetHashCode());
var topLeft = InnerBounds.GetCorner(CompassPoint.NorthWest);
var topRight = InnerBounds.GetCorner(CompassPoint.NorthEast);
var bottomLeft = InnerBounds.GetCorner(CompassPoint.SouthWest);
var bottomRight = InnerBounds.GetCorner(CompassPoint.SouthEast);
var top = new LineSegment(topLeft, topRight);
var right = new LineSegment(topRight, bottomRight);
var bottom = new LineSegment(bottomRight, bottomLeft);
var left = new LineSegment(bottomLeft, topLeft);
context.LinesDrawn.Add(top);
context.LinesDrawn.Add(right);
context.LinesDrawn.Add(bottom);
context.LinesDrawn.Add(left);
var brush = context.Selected ? palette.BorderBrush : palette.FillBrush;
if (!Settings.DebugDisableLineRendering)
{
var path = palette.Path();
Drawing.AddLine(path, top, random);
Drawing.AddLine(path, right, random);
Drawing.AddLine(path, bottom, random);
Drawing.AddLine(path, left, random);
graphics.DrawPath(brush, path);
if (IsDark)
{
var state = graphics.Save();
graphics.IntersectClip(path);
brush = context.Selected ? palette.FillBrush : palette.BorderBrush;
graphics.DrawPolygon(brush, new PointF[] { topRight.ToPointF(), new PointF(topRight.X - Settings.DarknessStripeSize, topRight.Y), new PointF(topRight.X, topRight.Y + Settings.DarknessStripeSize) }, XFillMode.Alternate);
graphics.Restore(state);
}
graphics.DrawPath(palette.BorderPen, path);
}
var font = Settings.LargeFont;
brush = context.Selected ? palette.FillBrush : palette.LargeTextBrush;
Rect textBounds = InnerBounds;
textBounds.Inflate(-5, -5);
if (textBounds.Width > 0 && textBounds.Height > 0)
{
m_name.Draw(graphics, font, brush, textBounds.Position, textBounds.Size, XStringFormats.Center);
}
var expandedBounds = InnerBounds;
expandedBounds.Inflate(Settings.ObjectListOffsetFromRoom, Settings.ObjectListOffsetFromRoom);
var drawnObjectList = false;
font = Settings.SmallFont;
brush = palette.SmallTextBrush;
if (!string.IsNullOrEmpty(Objects))
{
XStringFormat format = new XStringFormat();
Vector pos = expandedBounds.GetCorner(m_objectsPosition);
if (!Drawing.SetAlignmentFromCardinalOrOrdinalDirection(format, m_objectsPosition))
{
// object list appears inside the room below its name
format.LineAlignment = XLineAlignment.Far;
format.Alignment = XStringAlignment.Near;
//format.Trimming = StringTrimming.EllipsisCharacter;
//format.FormatFlags = StringFormatFlags.LineLimit;
var height = InnerBounds.Height / 2 - font.Height / 2;
var bounds = new Rect(InnerBounds.Left + Settings.ObjectListOffsetFromRoom, InnerBounds.Bottom - height, InnerBounds.Width - Settings.ObjectListOffsetFromRoom, height - Settings.ObjectListOffsetFromRoom);
brush = context.Selected ? palette.FillBrush : brush;
if (bounds.Width > 0 && bounds.Height > 0)
{
m_objects.Draw(graphics, font, brush, bounds.Position, bounds.Size, format);
}
drawnObjectList = true;
}
else if (m_objectsPosition == CompassPoint.North || m_objectsPosition == CompassPoint.South)
{
pos.X += Settings.ObjectListOffsetFromRoom;
}
if (!drawnObjectList)
{
m_objects.Draw(graphics, font, brush, pos, Vector.Zero, format);
}
}
}
public override void Draw(XGraphics graphics, Palette palette, DrawingContext context)
{
List<LineSegment> lineSegments;
if (context.UseSmartLineSegments)
{
lineSegments = m_smartSegments;
}
else
{
lineSegments = GetSegments();
}
var path = palette.Path();
var random = new Random(GetHashCode());
foreach (var lineSegment in lineSegments)
{
var pen = palette.GetLinePen(context.Selected, context.Hover, Style == ConnectionStyle.Dashed);
if (!Settings.DebugDisableLineRendering)
{
graphics.DrawLine(pen, lineSegment.Start.ToPointF(), lineSegment.End.ToPointF());
}
var delta = lineSegment.Delta;
if (Flow == ConnectionFlow.OneWay && delta.Length > Settings.ConnectionArrowSize)
{
var brush = palette.GetLineBrush(context.Selected, context.Hover);
Drawing.DrawChevron(graphics, lineSegment.Mid.ToPointF(), (float)(Math.Atan2(delta.Y, delta.X) / Math.PI * 180), Settings.ConnectionArrowSize, brush);
}
context.LinesDrawn.Add(lineSegment);
}
Annotate(graphics, palette, lineSegments);
}
public override void PreDraw(DrawingContext context)
{
var topLeft = InnerBounds.GetCorner(CompassPoint.NorthWest);
var topRight = InnerBounds.GetCorner(CompassPoint.NorthEast);
var bottomLeft = InnerBounds.GetCorner(CompassPoint.SouthWest);
var bottomRight = InnerBounds.GetCorner(CompassPoint.SouthEast);
var topCenter = InnerBounds.GetCorner(CompassPoint.North);
var rightCenter = InnerBounds.GetCorner(CompassPoint.East);
var bottomCenter = InnerBounds.GetCorner(CompassPoint.South);
var leftCenter = InnerBounds.GetCorner(CompassPoint.West);
var top = new LineSegment(topLeft, topRight);
var right = new LineSegment(topRight, bottomRight);
var bottom = new LineSegment(bottomRight, bottomLeft);
var left = new LineSegment(bottomLeft, topLeft);
var halfTopRight = new LineSegment(topCenter, topRight);
var halfBottomRight = new LineSegment(bottomRight, bottomCenter);
var centerVertical = new LineSegment(bottomCenter, topCenter);
var centerHorizontal = new LineSegment(leftCenter, rightCenter);
var halfRightBottom = new LineSegment(rightCenter, bottomRight);
var halfLeftBottom = new LineSegment(bottomLeft, leftCenter);
var slantUp = new LineSegment(bottomLeft, topRight);
var slantDown = new LineSegment(bottomRight, topLeft);
context.LinesDrawn.Add(top);
context.LinesDrawn.Add(right);
context.LinesDrawn.Add(bottom);
context.LinesDrawn.Add(left);
}
public override void Draw(XGraphics graphics, Palette palette, DrawingContext context)
{
Random random = new Random(Name.GetHashCode());
var topLeft = InnerBounds.GetCorner(CompassPoint.NorthWest);
var topRight = InnerBounds.GetCorner(CompassPoint.NorthEast);
var bottomLeft = InnerBounds.GetCorner(CompassPoint.SouthWest);
var bottomRight = InnerBounds.GetCorner(CompassPoint.SouthEast);
var topCenter = InnerBounds.GetCorner(CompassPoint.North);
var rightCenter = InnerBounds.GetCorner(CompassPoint.East);
var bottomCenter = InnerBounds.GetCorner(CompassPoint.South);
var leftCenter = InnerBounds.GetCorner(CompassPoint.West);
var top = new LineSegment(topLeft, topRight);
var right = new LineSegment(topRight, bottomRight);
var bottom = new LineSegment(bottomRight, bottomLeft);
var left = new LineSegment(bottomLeft, topLeft);
var halfTopRight = new LineSegment(topCenter, topRight);
var halfBottomRight = new LineSegment(bottomRight, bottomCenter);
var centerVertical = new LineSegment(bottomCenter, topCenter);
var centerHorizontal = new LineSegment(leftCenter, rightCenter);
var halfRightBottom = new LineSegment(rightCenter, bottomRight);
var halfLeftBottom = new LineSegment(bottomLeft, leftCenter);
var slantUp = new LineSegment(bottomLeft, topRight);
var slantDown = new LineSegment(bottomRight, topLeft);
context.LinesDrawn.Add(top);
context.LinesDrawn.Add(right);
context.LinesDrawn.Add(bottom);
context.LinesDrawn.Add(left);
var brush = context.Selected ? palette.BorderBrush : palette.FillBrush;
// Room specific fill brush (White shows global color)
if (RoomFill != ColorTranslator.FromHtml("White") && RoomFill != ColorTranslator.FromHtml("#FFFFFF")) { brush = new SolidBrush(RoomFill); }
if (!Settings.DebugDisableLineRendering)
{
var path = palette.Path();
Drawing.AddLine(path, top, random);
Drawing.AddLine(path, right, random);
Drawing.AddLine(path, bottom, random);
Drawing.AddLine(path, left, random);
graphics.DrawPath(brush, path);
// Second fill for room specific colors with a split option
if (SecondFill != ColorTranslator.FromHtml("White") && SecondFill != ColorTranslator.FromHtml("#FFFFFF"))
{
// Set the second fill color
brush = new SolidBrush(SecondFill);
// Define the second path based on the second fill location
var secondPath = palette.Path();
switch (SecondFillLocation)
{
case "Bottom":
Drawing.AddLine(secondPath, centerHorizontal, random);
Drawing.AddLine(secondPath, halfRightBottom, random);
Drawing.AddLine(secondPath, bottom, random);
Drawing.AddLine(secondPath, halfLeftBottom, random);
break;
case "BottomRight":
Drawing.AddLine(secondPath, slantUp, random);
Drawing.AddLine(secondPath, right, random);
Drawing.AddLine(secondPath, bottom, random);
break;
case "Right":
Drawing.AddLine(secondPath, halfTopRight, random);
Drawing.AddLine(secondPath, right, random);
Drawing.AddLine(secondPath, halfBottomRight, random);
Drawing.AddLine(secondPath, centerVertical, random);
break;
case "TopRight":
Drawing.AddLine(secondPath, top, random);
Drawing.AddLine(secondPath, right, random);
Drawing.AddLine(secondPath, slantDown, random);
break;
default:
break;
}
// Draw the second fill over the first
graphics.DrawPath(brush, secondPath);
}
if (IsDark)
{
var state = graphics.Save();
graphics.IntersectClip(path);
brush = context.Selected ? palette.FillBrush : palette.BorderBrush;
// Room specific fill brush (White shows global color)
if (RoomBorder != ColorTranslator.FromHtml("White") && RoomBorder != ColorTranslator.FromHtml("#FFFFFF")) { brush = new SolidBrush(RoomBorder); }
graphics.DrawPolygon(brush, new PointF[] { topRight.ToPointF(), new PointF(topRight.X - Settings.DarknessStripeSize, topRight.Y), new PointF(topRight.X, topRight.Y + Settings.DarknessStripeSize) }, XFillMode.Alternate);
graphics.Restore(state);
}
if (RoomBorder == ColorTranslator.FromHtml("White") || RoomBorder == ColorTranslator.FromHtml("#FFFFFF"))
{
graphics.DrawPath(palette.BorderPen, path);
}
else
{
var RoomBorderPen = new Pen(RoomBorder, Settings.LineWidth);
RoomBorderPen.StartCap = LineCap.Round;
RoomBorderPen.EndCap = LineCap.Round;
graphics.DrawPath(RoomBorderPen, path);
}
}
var font = Settings.LargeFont;
brush = context.Selected ? palette.FillBrush : palette.LargeTextBrush;
// Room specific fill brush (White shows global color)
if (RoomLargeText != ColorTranslator.FromHtml("White") && RoomLargeText != ColorTranslator.FromHtml("#FFFFFF")) { brush = new SolidBrush(RoomLargeText); }
Rect textBounds = InnerBounds;
textBounds.Inflate(-5, -5);
if (textBounds.Width > 0 && textBounds.Height > 0)
{
m_name.Draw(graphics, font, brush, textBounds.Position, textBounds.Size, XStringFormats.Center);
}
var expandedBounds = InnerBounds;
expandedBounds.Inflate(Settings.ObjectListOffsetFromRoom, Settings.ObjectListOffsetFromRoom);
var drawnObjectList = false;
font = Settings.SmallFont;
brush = palette.SmallTextBrush;
// Room specific fill brush (White shows global color)
if (RoomSmallText != ColorTranslator.FromHtml("White") && RoomSmallText != ColorTranslator.FromHtml("#FFFFFF")) { brush = new SolidBrush(RoomSmallText); }
if (!string.IsNullOrEmpty(Objects))
{
XStringFormat format = new XStringFormat();
Vector pos = expandedBounds.GetCorner(m_objectsPosition);
if (!Drawing.SetAlignmentFromCardinalOrOrdinalDirection(format, m_objectsPosition))
{
// object list appears inside the room below its name
format.LineAlignment = XLineAlignment.Far;
format.Alignment = XStringAlignment.Near;
//format.Trimming = StringTrimming.EllipsisCharacter;
//format.FormatFlags = StringFormatFlags.LineLimit;
var height = InnerBounds.Height / 2 - font.Height / 2;
var bounds = new Rect(InnerBounds.Left + Settings.ObjectListOffsetFromRoom, InnerBounds.Bottom - height, InnerBounds.Width - Settings.ObjectListOffsetFromRoom, height - Settings.ObjectListOffsetFromRoom);
brush = context.Selected ? palette.FillBrush : brush;
if (bounds.Width > 0 && bounds.Height > 0)
{
m_objects.Draw(graphics, font, brush, bounds.Position, bounds.Size, format);
}
drawnObjectList = true;
}
else if (m_objectsPosition == CompassPoint.North || m_objectsPosition == CompassPoint.South)
{
pos.X += Settings.ObjectListOffsetFromRoom;
}
if (!drawnObjectList)
{
m_objects.Draw(graphics, font, brush, pos, Vector.Zero, format);
}
}
}