public void PositionOnYAxis(double y, CoordinateSystem coordinateSystem)
{
SetLabelText(TextBlock, y);
double width = TextBlock.ActualWidth;
double height = TextBlock.ActualHeight;
var coordinates = coordinateSystem
.ToPhysical(new Point(0, y))
.Plus(new Point(-width - 2, -height / 2));
MoveLabel(TextBlock, coordinates);
}
public void PositionOnXAxis(double x, CoordinateSystem coordinateSystem)
{
SetLabelText(TextBlock, x);
double width = TextBlock.ActualWidth;
var coordinates = coordinateSystem
.ToPhysical(new Point(x, 0))
.OffsetX(-width / 2);
if (x.EqualsWithPrecision(0))
{
coordinates = coordinates.OffsetX(-width / 2 - 2);
}
MoveLabel(TextBlock, coordinates);
}
public Drawing(Canvas canvas)
{
Check.NotNull(canvas, "canvas");
ActionManager = new ActionManager();
StyleManager = new StyleManager(this);
Figures = new RootFigureList(this);
OnAttachToCanvas += Drawing_OnAttachToCanvas;
OnDetachFromCanvas += Drawing_OnDetachFromCanvas;
Canvas = canvas;
CoordinateSystem = new CoordinateSystem(this);
CoordinateGrid = new CartesianGrid() { Drawing = this, Visible = Settings.Instance.ShowGrid };
Figures.Add(CoordinateGrid);
Version = Settings.CurrentDrawingVersion;
}
void AddNewLines(int count, CoordinateSystem coordinateSystem)
{
for (int i = 0; i < count; i++)
{
var newLine = new Line()
{
Visibility = this.Visible.ToVisibility()
};
Canvas.SetZIndex(newLine, (int)ZOrder.Grid);
Lines.Add(newLine);
Drawing.Canvas.Children.Add(newLine);
newLine.Apply(this.Style.GetWpfStyle());
}
}
void RemoveExcessLines(int count, CoordinateSystem coordinateSystem)
{
for (int i = Lines.Count - count; i < Lines.Count; i++)
{
Drawing.Canvas.Children.Remove(Lines[i]);
}
Lines.RemoveRange(Lines.Count - count, count);
}
void MoveLineY(Line line, double y, CoordinateSystem coordinateSystem)
{
line.Move(
coordinateSystem.MinimalVisibleX,
y,
coordinateSystem.MaximalVisibleX,
y,
coordinateSystem);
}
void MoveLineX(Line line, double x, CoordinateSystem coordinateSystem)
{
line.Move(
x,
coordinateSystem.MinimalVisibleY,
x,
coordinateSystem.MaximalVisibleY,
coordinateSystem);
}