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);
}
}
protected override Size MeasureOverride(Size availableSize)
{
var text = this.Text;
if (!string.IsNullOrWhiteSpace(text))
{
return base.MeasureOverride(availableSize);
}
else
{
// TODO: Pretty sure that measuring "X" isn't the right way to do this...
using (var formattedText = new FormattedText(
"X",
this.FontFamily,
this.FontSize,
this.FontStyle,
TextAlignment.Left,
this.FontWeight))
{
return formattedText.Measure();
}
}
}
public void DrawText(Brush foreground, Point origin, FormattedText text)
{
using (var br = CreateBrush(foreground, text.Measure()))
MethodTable.Instance.DrawFormattedText(Handle, br.Brush, ((FormattedTextImpl) text.PlatformImpl).Handle,
(float) origin.X, (float) origin.Y);
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="text"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <param name="db"></param>
/// <param name="r"></param>
public void Draw(object dc, XText text, double dx, double dy, ImmutableArray<ShapeProperty> db, Record r)
{
var _gfx = dc as IDrawingContext;
var tbind = text.BindToTextProperty(db, r);
if (string.IsNullOrEmpty(tbind))
return;
Brush brush = ToSolidBrush(text.Style.Stroke);
var fontStyle = Perspex.Media.FontStyle.Normal;
if (text.Style.TextStyle.FontStyle.HasFlag(Test2d.FontStyle.Italic))
{
fontStyle |= Perspex.Media.FontStyle.Italic;
}
var fontWeight = Perspex.Media.FontWeight.Normal;
if (text.Style.TextStyle.FontStyle.HasFlag(Test2d.FontStyle.Bold))
{
fontWeight |= Perspex.Media.FontWeight.Bold;
}
// TODO: Implement font decoration after Perspex adds support for them.
/*
var fontDecoration = Perspex.Media.FontDecoration.None;
if (text.Style.TextStyle.FontStyle.HasFlag(Test2d.FontStyle.Underline))
{
fontDecoration |= Perspex.Media.FontDecoration.Underline;
}
if (text.Style.TextStyle.FontStyle.HasFlag(Test2d.FontStyle.Strikeout))
{
fontDecoration |= Perspex.Media.FontDecoration.Strikethrough;
}
*/
var ft = new FormattedText(
tbind,
text.Style.TextStyle.FontName,
text.Style.TextStyle.FontSize * _textScaleFactor,
fontStyle,
TextAlignment.Left,
fontWeight);
var rect = CreateRect(
text.TopLeft,
text.BottomRight,
dx, dy);
var size = ft.Measure();
var origin = GetTextOrigin(text.Style, ref rect, ref size);
_gfx.DrawText(brush, origin, ft);
// TODO: brush.Dispose();
ft.Dispose();
}
