/// <summary>
/// Initializes a new instance of the <see cref="Rect"/> structure.
/// </summary>
/// <param name="size">The size of the rectangle.</param>
public Rect(Size size)
{
this.x = 0;
this.y = 0;
this.width = size.Width;
this.height = size.Height;
}
/// <summary>
/// Initializes a new instance of the <see cref="Rect"/> structure.
/// </summary>
/// <param name="position">The position of the rectangle.</param>
/// <param name="size">The size of the rectangle.</param>
public Rect(Point position, Size size)
{
this.x = position.X;
this.y = position.Y;
this.width = size.Width;
this.height = size.Height;
}
/// <summary>
/// Initializes a new instance of the <see cref="Rect"/> structure.
/// </summary>
/// <param name="size">The size of the rectangle.</param>
public Rect(Size size)
{
_x = 0;
_y = 0;
_width = size.Width;
_height = size.Height;
}
/// <summary>
/// Initializes a new instance of the <see cref="Rect"/> structure.
/// </summary>
/// <param name="position">The position of the rectangle.</param>
/// <param name="size">The size of the rectangle.</param>
public Rect(Point position, Size size)
{
_x = position.X;
_y = position.Y;
_width = size.Width;
_height = size.Height;
}
protected override Size ArrangeOverride(Size finalSize)
{
_viewport = new Size(finalSize.Width, finalSize.Height / _lineSize.Height);
_extent = new Size(_lineSize.Width, itemCount + 1);
InvalidateScroll?.Invoke();
return finalSize;
}
protected override Size MeasureOverride(Size availableSize)
{
using (var line = new FormattedText(
"Item 100",
TextBlock.GetFontFamily(this),
TextBlock.GetFontSize(this),
TextBlock.GetFontStyle(this),
TextAlignment.Left,
TextBlock.GetFontWeight(this)))
{
line.Constraint = availableSize;
_lineSize = line.Measure();
return new Size(_lineSize.Width, _lineSize.Height * itemCount);
}
}
public ArcSegmentGeometry(Point startPoint, Point point, Size size, double rotationAngle, bool isLargeArc, SweepDirection sweepDirection,bool isClosed,bool isStroked)
{
_startPoint = startPoint;
_point = point;
_size = size;
_rotationAngle = rotationAngle;
_isLargeArc = isLargeArc;
_sweepDirection = sweepDirection;
_isClosed = isClosed;
_isStroked = isStroked;
IPlatformRenderInterface factory = PerspexLocator.Current.GetService<IPlatformRenderInterface>();
IStreamGeometryImpl impl = factory.CreateStreamGeometry();
using (IStreamGeometryContextImpl context = impl.Open())
{
context.BeginFigure(startPoint, isStroked);
context.ArcTo(point, size, rotationAngle,isLargeArc, sweepDirection);
context.EndFigure(isClosed);
}
PlatformImpl = impl;
}
/// <summary>
/// Constrains the size.
/// </summary>
/// <param name="constraint">The size to constrain to.</param>
/// <returns>The constrained size.</returns>
public Size Constrain(Size constraint)
{
return new Size(
Math.Min(_width, constraint._width),
Math.Min(_height, constraint._height));
}
/// <summary>
///
/// </summary>
/// <param name="style"></param>
/// <param name="rect"></param>
/// <param name="size"></param>
/// <returns></returns>
private Point GetTextOrigin(ShapeStyle style, ref Rect2 rect, ref Size size)
{
double ox, oy;
switch (style.TextStyle.TextHAlignment)
{
case TextHAlignment.Left:
ox = rect.X;
break;
case TextHAlignment.Right:
ox = rect.Right - size.Width;
break;
case TextHAlignment.Center:
default:
ox = (rect.Left + rect.Width / 2.0) - (size.Width / 2.0);
break;
}
switch (style.TextStyle.TextVAlignment)
{
case TextVAlignment.Top:
oy = rect.Y;
break;
case TextVAlignment.Bottom:
oy = rect.Bottom - size.Height;
break;
case TextVAlignment.Center:
default:
oy = (rect.Bottom - rect.Height / 2f) - (size.Height / 2f);
break;
}
return new Point(ox, oy);
}
public Point ToPixels(Size size)
{
return this.unit == OriginUnit.Pixels ?
this.point :
new Point(this.point.X * size.Width, this.point.Y * size.Height);
}
/// <summary>
/// Constrains the size.
/// </summary>
/// <param name="constraint">The size to constrain to.</param>
/// <returns>The constrained size.</returns>
public Size Constrain(Size constraint)
{
return new Size(
Math.Min(this.width, constraint.width),
Math.Min(this.height, constraint.height));
}
/// <summary>
/// Convert from WPF size to core size.
/// </summary>
public static RSize Convert(Size s)
{
return new RSize(s.Width, s.Height);
}
/// <summary>
///
/// </summary>
/// <param name="finalSize"></param>
/// <returns></returns>
protected override Size ArrangeOverride(Size finalSize)
{
var context = this.DataContext as EditorContext;
if (context != null
&& context.Editor != null
&& context.Editor.Project != null)
{
if (context.Renderers[0].State.EnableAutofit)
{
AutoFit(finalSize.Width, finalSize.Height);
}
}
return base.ArrangeOverride(finalSize);
}