void SetCanvasOrigin(Point clientPosition) { if (Canvas == null) { return; } // get the minimap client area, in pixels, without borders and padding var clientArea = new Rect(0, 0, Width, Height); clientArea.Inflate(-TotalPadding, -TotalPadding); // clamp the mouse within the client area clientPosition = clientArea.Clamp(new Vector(clientPosition)).ToPoint(); // get the mouse position as a percentage of the client area size var x = (clientPosition.X - TotalPadding) / clientArea.Width; var y = (clientPosition.Y - TotalPadding) / clientArea.Height; // get the visible area on the canvas, in canvas coordinates var viewport = Canvas.Viewport; var canvasBounds = Canvas.ComputeCanvasBounds(false); // limit it to the rectangle in which the center of the viewport may be placed whilst rendering only the occupied portions of the canvas visible var restrictedBounds = canvasBounds; if (restrictedBounds.Width > viewport.Width) { restrictedBounds.Inflate(-viewport.Width / 2, 0); } else { restrictedBounds.X += restrictedBounds.Width / 2; restrictedBounds.Width = 0; } if (restrictedBounds.Height > viewport.Height) { restrictedBounds.Inflate(0, -viewport.Height / 2); } else { restrictedBounds.Y += restrictedBounds.Height / 2; restrictedBounds.Height = 0; } // center the canvas on the mouse position in canvas coordinates, limited to the above rectangle Canvas.Origin = restrictedBounds.Clamp(new Vector(canvasBounds.Left + canvasBounds.Width * x, canvasBounds.Top + canvasBounds.Height * y)); }
private static void Annotate(XGraphics graphics, Palette palette, LineSegment lineSegment, TextBlock text, StringAlignment alignment) { Vector point; var delta = lineSegment.Delta; switch (alignment) { case StringAlignment.Near: default: point = lineSegment.Start; delta.Negate(); break; case StringAlignment.Center: point = lineSegment.Mid; break; case StringAlignment.Far: point = lineSegment.End; break; } var bounds = new Rect(point, Vector.Zero); bounds.Inflate(Settings.TextOffsetFromConnection); var angle = (float)-(Math.Atan2(delta.Y, delta.X) / Math.PI * 180.0); var compassPoint = CompassPoint.East; if (Numeric.InRange(angle, 0, 45)) { compassPoint = CompassPoint.NorthWest; } else if (Numeric.InRange(angle, 45, 90)) { compassPoint = CompassPoint.SouthEast; } else if (Numeric.InRange(angle, 90, 135)) { compassPoint = CompassPoint.SouthWest; } else if (Numeric.InRange(angle, 135, 180)) { compassPoint = CompassPoint.NorthEast; } else if (Numeric.InRange(angle, 0, -45)) { compassPoint = CompassPoint.NorthEast; } else if (Numeric.InRange(angle, -45, -90)) { compassPoint = CompassPoint.NorthEast; } else if (Numeric.InRange(angle, -90, -135)) { compassPoint = CompassPoint.NorthWest; } else if (Numeric.InRange(angle, -135, -180)) { compassPoint = CompassPoint.SouthEast; } var pos = bounds.GetCorner(compassPoint); var format = new XStringFormat(); Drawing.SetAlignmentFromCardinalOrOrdinalDirection(format, compassPoint); if (alignment == StringAlignment.Center && Numeric.InRange(angle, -10, 10)) { // HACK: if the line segment is pretty horizontal and we're drawing mid-line text, // move text below the line to get it out of the way of any labels at the ends, // and center the text so it fits onto a line between two proximal rooms. pos = bounds.GetCorner(CompassPoint.South); format.Alignment = XStringAlignment.Center; format.LineAlignment = XLineAlignment.Near; } if (!Settings.DebugDisableTextRendering) { text.Draw(graphics, Settings.LineFont, palette.LineTextBrush, pos, Vector.Zero, format); } }
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); } } }
private static void Annotate(XGraphics graphics, Palette palette, LineSegment lineSegment, TextBlock text, StringAlignment alignment, RoomShape? shape = RoomShape.SquareCorners) { Vector point; var delta = lineSegment.Delta; switch (alignment) { case StringAlignment.Near: default: point = lineSegment.Start; delta.Negate(); break; case StringAlignment.Center: point = lineSegment.Mid; break; case StringAlignment.Far: point = lineSegment.End; break; } var bounds = new Rect(point, Vector.Zero); bounds.Inflate(Settings.TextOffsetFromConnection); var angle = (float) -(Math.Atan2(delta.Y, delta.X)/Math.PI*180.0); var compassPoint = CompassPoint.East; if (Numeric.InRange(angle, 0, 45)) { compassPoint = CompassPoint.NorthWest; } else if (Numeric.InRange(angle, 45, 90)) { compassPoint = CompassPoint.SouthEast; } else if (Numeric.InRange(angle, 90, 135)) { compassPoint = CompassPoint.SouthWest; } else if (Numeric.InRange(angle, 135, 180)) { compassPoint = CompassPoint.NorthEast; } else if (Numeric.InRange(angle, 0, -45)) { compassPoint = CompassPoint.NorthEast; } else if (Numeric.InRange(angle, -45, -90)) { compassPoint = CompassPoint.NorthEast; } else if (Numeric.InRange(angle, -90, -135)) { compassPoint = CompassPoint.NorthWest; } else if (Numeric.InRange(angle, -135, -180)) { compassPoint = CompassPoint.SouthEast; } var pos = bounds.GetCorner(compassPoint); var format = new XStringFormat(); Drawing.SetAlignmentFromCardinalOrOrdinalDirection(format, compassPoint); if (alignment == StringAlignment.Center && Numeric.InRange(angle, -10, 10)) { // HACK: if the line segment is pretty horizontal and we're drawing mid-line text, // move text below the line to get it out of the way of any labels at the ends, // and center the text so it fits onto a line between two proximal rooms. pos = bounds.GetCorner(CompassPoint.South); format.Alignment = XStringAlignment.Center; format.LineAlignment = XLineAlignment.Near; } if (!Settings.DebugDisableTextRendering) text.Draw(graphics, Settings.LineFont, palette.LineTextBrush, pos, Vector.Zero, format); }