/// <summary>
/// Centers another rectangle in this rectangle.
/// </summary>
/// <param name="rect">The rectangle to center.</param>
/// <returns>The centered rectangle.</returns>
public Rect CenterIn(Rect rect)
{
return new Rect(
this.x + ((this.width - rect.width) / 2),
this.y + ((this.height - rect.height) / 2),
rect.width,
rect.height);
}
/// <summary>
/// Gets the intersection of two rectangles.
/// </summary>
/// <param name="rect">The other rectangle.</param>
/// <returns>The intersection.</returns>
public Rect Intersect(Rect rect)
{
double x = Math.Max(this.x, rect.x);
double y = Math.Max(this.y, rect.y);
double width = Math.Min(this.Right, rect.Right) - x;
double height = Math.Min(this.Bottom, rect.Bottom) - y;
if (width < 0 || height < 0)
{
return new Rect(
double.PositiveInfinity,
double.PositiveInfinity,
double.NegativeInfinity,
double.NegativeInfinity);
}
else
{
return new Rect(x, y, width, height);
}
}
/// <summary>
/// Determines whether a rectangle intersects with this rectangle.
/// </summary>
/// <param name="rect">The other rectangle.</param>
/// <returns>
/// True if the specified rectangle intersects with this one; otherwise false.
/// </returns>
public bool Intersects(Rect rect)
{
return (rect.X < Right) && (X < rect.Right) && (rect.Y < Bottom) && (Y < rect.Bottom);
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="c"></param>
/// <param name="width"></param>
/// <param name="height"></param>
private void DrawBackground(DrawingContext dc, ArgbColor c, double width, double height)
{
var color = Color.FromArgb(c.A, c.R, c.G, c.B);
var brush = new SolidColorBrush(color);
var rect = new Rect(0, 0, width, height);
dc.FillRectangle(brush, rect);
// TODO: brush.Dispose();
}
/// <summary>
/// Centers another rectangle in this rectangle.
/// </summary>
/// <param name="rect">The rectangle to center.</param>
/// <returns>The centered rectangle.</returns>
public Rect CenterIn(Rect rect)
{
return new Rect(
_x + ((_width - rect._width) / 2),
_y + ((_height - rect._height) / 2),
rect._width,
rect._height);
}
/// <summary>
/// Gets the intersection of two rectangles.
/// </summary>
/// <param name="rect">The other rectangle.</param>
/// <returns>The intersection.</returns>
public Rect Intersect(Rect rect)
{
var newLeft = (rect.X > X) ? rect.X : X;
var newTop = (rect.Y > Y) ? rect.Y : Y;
var newRight = (rect.Right < Right) ? rect.Right : Right;
var newBottom = (rect.Bottom < Bottom) ? rect.Bottom : Bottom;
if ((newRight > newLeft) && (newBottom > newTop))
{
return new Rect(newLeft, newTop, newRight - newLeft, newBottom - newTop);
}
else
{
return Empty;
}
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="brush"></param>
/// <param name="pen"></param>
/// <param name="isStroked"></param>
/// <param name="isFilled"></param>
/// <param name="rect"></param>
private static void DrawRectangleInternal(
IDrawingContext dc,
Brush brush,
Pen pen,
bool isStroked,
bool isFilled,
ref Rect2 rect)
{
if (!isStroked && !isFilled)
return;
var r = new Rect(rect.X, rect.Y, rect.Width, rect.Height);
if (isFilled)
{
dc.FillRectangle(brush, r);
}
if (isStroked)
{
dc.DrawRectangle(pen, r);
}
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="container"></param>
private void DrawBackgroundInternal(IDrawingContext dc, Container container)
{
Brush brush = ToSolidBrush(container.Background);
var rect = new Rect(0, 0, container.Width, container.Height);
dc.FillRectangle(brush, rect);
// TODO: brush.Dispose();
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="brush"></param>
/// <param name="pen"></param>
/// <param name="isStroked"></param>
/// <param name="isFilled"></param>
/// <param name="rect"></param>
private static void DrawEllipseInternal(
IDrawingContext dc,
Brush brush,
Pen pen,
bool isStroked,
bool isFilled,
ref Rect2 rect)
{
if (!isFilled && !isStroked)
return;
var r = new Rect(rect.X, rect.Y, rect.Width, rect.Height);
var g = new EllipseGeometry(r);
dc.DrawGeometry(
isFilled ? brush : null,
isStroked ? pen : null,
g);
// TODO: g.Dispose();
}
/// <summary>
/// Render the html using the given device.
/// </summary>
/// <param name="g">the device to use to render</param>
/// <param name="clip">the clip rectangle of the html container</param>
public void PerformPaint(DrawingContext g, Rect clip)
{
ArgChecker.AssertArgNotNull(g, "g");
using (var ig = new GraphicsAdapter(g, Util.Convert(clip)))
{
_htmlContainerInt.PerformPaint(ig);
}
}
/// <summary>
/// Convert from WPF rectangle to core rectangle.
/// </summary>
public static RRect Convert(Rect r)
{
return new RRect(r.X, r.Y, r.Width, r.Height);
}
protected override void OnMouseMove(MouseEventArgs e)
{
var res = _text.HitTestPoint(new Point(e.X, e.Y) - _textPos);
if (res.IsInside)
{
_textRect = _text.HitTestTextPosition(res.TextPosition);
_textRect = new Rect(_textRect.Position + _textPos, _textRect.Size);
_textString = _text.Text.Substring(res.TextPosition, 1);
}
else
_textRect = new Rect();
UpdateTitle();
base.OnMouseMove(e);
}
private void DrawRoundRect(DrawingContext ctx)
{
ctx.FillRectangle(new SolidColorBrush(Colors.White),
new Rect(new Size(ClientSize.Width, ClientSize.Height)));
var rc = new Rect(0, 0, 60, 60);
var transform = GetTransform();
using (ctx.PushPostTransform(transform))
{
ctx.FillRectangle(new SolidColorBrush(Colors.Aqua), rc, 20);
ctx.DrawRectangle(new Pen(new SolidColorBrush(Colors.Magenta), 10), rc, 20);
}
}