protected override void Draw(GraphicsContext context, VBox availableSize)
{
Visual.Render (context, availableSize);
}
/// <summary>
/// Subtract another box from this one horizontally.
/// </summary>
public VBox HSub(VBox other)
{
return new VBox (Width - other.Width, Height);
}
/// <summary>
/// Draw the stack into the specified context.
/// </summary>
protected override void Draw(GraphicsContext context, VBox availableSize)
{
var stack = GetSize (context);
Items.Foreach (visual =>
{
if (availableSize.IsEmpty)
return;
var inner = visual.GetSize (context);
var outer = Direction == VisualDirection.Horizontal ?
new VBox (inner.Width, stack.Height) :
new VBox (stack.Width, inner.Height);
var st = context.Graphics.Save ();
context.Graphics.TranslateTransform (DeltaX (outer.Width, inner.Width),
DeltaY (outer.Height, inner.Height));
visual.Render (context, outer);
context.Graphics.Restore (st);
if (Direction == VisualDirection.Horizontal)
{
context.Graphics.TranslateTransform (outer.Width, 0);
availableSize = availableSize.HSub (outer);
}
else
{
context.Graphics.TranslateTransform (0, outer.Height);
availableSize = availableSize.VSub (outer);
}
});
}
protected override void Draw(GraphicsContext context, VBox availableSize)
{
throw new NotImplementedException ();
}
/// <summary>
/// Returns the horizontal intersection with another box. This means that the
/// width of the result is the minimum of the box widths.
/// </summary>
public VBox HMin(VBox other)
{
return new VBox (Math.Min (Width, other.Width), Height);
}
/// <summary> /// Draw the visual into specified context using the available size. /// </summary> /// <param name="context">The graphics context which used in drawing.</param> /// <param name='availableSize'>The available size into which the visual should /// fit.</param> protected abstract void Draw(GraphicsContext context, VBox availableSize);
protected override void Draw(GraphicsContext context, VBox availableSize)
{
}
/// <summary>
/// Subtract another box from this one vertically.
/// </summary>
public VBox VSub(VBox other)
{
return new VBox (Width, Height - other.Height);
}
protected override void Draw(GraphicsContext context, VBox availableSize)
{
var box = GetSize (context);
if (context.FocusedExpr == SExpr)
{
context.Graphics.FillRectangle (Brushes.RoyalBlue, 0, 0, box.Width, box.Height);
context = new GraphicsContext (context,
new VisualStyle (context.Style, brush: Brushes.White));
}
var hitRect = new HitRect (box.AsRectF (context.Graphics.Transform), SExpr);
GraphicsContext.HitRects = hitRect | GraphicsContext.HitRects;
SExpr.Depiction.Draw (context, availableSize);
}
protected override void Draw(GraphicsContext context, VBox availableSize)
{
var box = Visual.GetSize (context);
base.Draw (context, availableSize);
switch (Kind)
{
case FrameKind.Rectangle:
context.Graphics.DrawRectangle (context.Style.Pen,
0, 0, box.Width - 1, box.Height - 1);
break;
case FrameKind.Ellipse:
context.Graphics.DrawEllipse (context.Style.Pen,
0, 0, box.Width - 1, box.Height - 1);
break;
case FrameKind.RoundRectangle:
DrawRoundedRectangle(context.Graphics, context.Style.Pen,
new RectangleF(0, 0, box.Width - 1, box.Height - 1), 10);
break;
}
}
protected override void Draw(GraphicsContext context, VBox availableSize)
{
base.Draw (context, availableSize);
var state = context.Graphics.Save ();
context.Graphics.ResetTransform ();
context.Graphics.DrawLine (context.Style.Pen, Position, Target.Position);
context.Graphics.Restore (state);
}
private PointF GetAnchorPosition(Matrix matrix, VBox box)
{
var anchor = new PointF[1];
switch (HorizAlign)
{
case HAlign.Left:
anchor[0].X = 0;
break;
case HAlign.Center:
anchor[0].X = box.Width / 2;
break;
case HAlign.Right:
anchor[0].X = box.Width;
break;
}
switch (VertAlign)
{
case VAlign.Top:
anchor[0].Y = 0;
break;
case VAlign.Center:
anchor[0].Y = box.Height / 2;
break;
case VAlign.Bottom:
anchor[0].Y = box.Height;
break;
}
matrix.TransformPoints (anchor);
return anchor[0];
}
protected override void Draw(GraphicsContext context, VBox availableSize)
{
Position = GetAnchorPosition (context.Graphics.Transform, Visual.GetSize (context));
base.Draw (context, availableSize);
}
/// <summary>
/// Add another box to vertically to this one.
/// </summary>
public VBox VAdd(VBox other)
{
return new VBox (Width, Height + other.Height);
}
/// <summary>
/// Draw the label into the specified context.
/// </summary>
protected override void Draw(GraphicsContext context, VBox availableSize)
{
context.Graphics.DrawString (Text, context.Style.Font, context.Style.TextBrush,
new PointF (0, 0));
}
/// <summary>
/// Returns the vertical intersection with another box. This means that the
/// height of the result is the minimum of the box heights.
/// </summary>
public VBox VMin(VBox other)
{
return new VBox (Width, Math.Min (Height, other.Height));
}
protected override void Draw(GraphicsContext context, VBox availableSize)
{
var st = context.Graphics.Save ();
context.Graphics.TranslateTransform (Left, Top);
base.Draw (context, availableSize);
context.Graphics.Restore (st);
}
/// <summary>
/// Add another box to horizontally to this one.
/// </summary>
public VBox HAdd(VBox other)
{
return new VBox (Width + other.Width, Height);
}
protected override void Draw(GraphicsContext context, VBox availableSize)
{
if (Direction == VisualDirection.Horizontal)
{
var y = availableSize.Height / 2;
context.Graphics.DrawLine (context.Style.Pen, 0, y, availableSize.Width, y);
}
else
{
var x = availableSize.Width / 2;
context.Graphics.DrawLine (context.Style.Pen, x, 0, x, availableSize.Height);
}
}
private void CalculateNewSize()
{
if (_visual != null)
{
_size = _visual.GetSize (new GraphicsContext (Graphics.FromHwnd (Handle)));
Width = Convert.ToInt32 (_size.Width);
Height = Convert.ToInt32 (_size.Height);
}
Invalidate ();
}
public void Render(GraphicsContext context, VBox availableSize)
{
Draw (context, availableSize);
}
