public void DrawText(IBrush foreground, Point origin, FormattedText text)
{
using (var paint = CreatePaint(foreground, text.Measure()))
{
var textImpl = text.PlatformImpl as FormattedTextImpl;
textImpl.Draw(this, Canvas, origin.ToSKPoint(), paint);
}
}
protected override Size MeasureOverride(Size availableSize)
{
var text = Text;
if (!string.IsNullOrEmpty(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",
FontFamily,
FontSize,
FontStyle,
TextAlignment,
FontWeight))
{
return formattedText.Measure();
}
}
}
/// <inheritdoc/>
public override void Draw(object dc, XText text, double dx, double dy, ImmutableArray<XProperty> db, XRecord r)
{
var _gfx = dc as AM.DrawingContext;
var tbind = text.BindText(db, r);
if (string.IsNullOrEmpty(tbind))
return;
AM.IBrush brush = ToBrush(text.Style.Stroke);
var fontStyle = AM.FontStyle.Normal;
var fontWeight = AM.FontWeight.Normal;
//var fontDecoration = PM.FontDecoration.None;
if (text.Style.TextStyle.FontStyle != null)
{
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Italic))
{
fontStyle |= AM.FontStyle.Italic;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Bold))
{
fontWeight |= AM.FontWeight.Bold;
}
// TODO: Implement font decoration after Avalonia adds support.
/*
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Underline))
{
fontDecoration |= PM.FontDecoration.Underline;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Strikeout))
{
fontDecoration |= PM.FontDecoration.Strikethrough;
}
*/
}
if (text.Style.TextStyle.FontSize >= 0.0)
{
var ft = new AM.FormattedText(
tbind,
text.Style.TextStyle.FontName,
text.Style.TextStyle.FontSize * _textScaleFactor,
fontStyle,
AM.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);
ft.Dispose();
}
}
/// <inheritdoc/>
public override void Draw(object dc, TextShape text, double dx, double dy, object db, object r)
{
var _gfx = dc as AM.DrawingContext;
var properties = (ImmutableArray <Property>)db;
var record = (Record)r;
var tbind = text.BindText(properties, record);
if (string.IsNullOrEmpty(tbind))
{
return;
}
AM.IBrush brush = ToBrush(text.Style.Stroke);
var fontStyle = AM.FontStyle.Normal;
var fontWeight = AM.FontWeight.Normal;
//var fontDecoration = PM.FontDecoration.None;
if (text.Style.TextStyle.FontStyle != null)
{
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Italic))
{
fontStyle |= AM.FontStyle.Italic;
}
if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Bold))
{
fontWeight |= AM.FontWeight.Bold;
}
// TODO: Implement font decoration after Avalonia adds support.
/*
* if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Underline))
* {
* fontDecoration |= PM.FontDecoration.Underline;
* }
*
* if (text.Style.TextStyle.FontStyle.Flags.HasFlag(FontStyleFlags.Strikeout))
* {
* fontDecoration |= PM.FontDecoration.Strikethrough;
* }
*/
}
if (text.Style.TextStyle.FontSize >= 0.0)
{
var tf = new AM.Typeface(
text.Style.TextStyle.FontName,
text.Style.TextStyle.FontSize * _textScaleFactor,
fontStyle,
fontWeight);
var ft = new AM.FormattedText()
{
Typeface = tf,
Text = tbind,
TextAlignment = AM.TextAlignment.Left,
Wrapping = AM.TextWrapping.NoWrap
};
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);
}
}
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);
}
}
