/// <inheritdoc />
public Size MeasureText(string text, ITextPaint paint)
{
using var skPaint = GetSkiaTextPaint(paint);
var bounds = new SKRect();
skPaint.MeasureText(text, ref bounds);
return(new Size(bounds.Width, bounds.Height));
}
/// <summary>
/// Gets Skia text paint.
/// </summary>
/// <param name="paint">Waves's paint.</param>
/// <returns>Skia text paint.</returns>
private SKPaint GetSkiaTextPaint(ITextPaint paint)
{
return(new SKPaint
{
TextSize = paint.TextStyle.FontSize,
Color = paint.Fill.ToSkColor(),
IsStroke = false,
SubpixelText = true,
IsAntialias = true,
TextAlign = paint.TextStyle.Alignment.ToSkTextAlign(),
Typeface = SKTypeface.FromFamilyName(paint.TextStyle.FontFamily)
});
}
/// <inheritdoc />
public Size MeasureText(string text, ITextPaint paint)
{
var textBlock = new TextBlock
{
VerticalAlignment = VerticalAlignment.Top,
HorizontalAlignment = HorizontalAlignment.Left,
Text = text,
Foreground = new SolidColorBrush(paint.Fill.ToSystemColor()),
FontSize = paint.TextStyle.FontSize,
FontFamily = new FontFamily(paint.TextStyle.FontFamily),
TextAlignment = paint.TextStyle.Alignment.ToSystemTextAlignment(),
Opacity = paint.Opacity
};
textBlock.Measure(new global::System.Windows.Size(double.PositiveInfinity, double.PositiveInfinity));
textBlock.Arrange(new Rect(0, 0, textBlock.DesiredSize.Width, textBlock.DesiredSize.Height));
return(new Size(Convert.ToSingle(textBlock.ActualWidth), Convert.ToSingle(textBlock.ActualHeight)));
}
/// <inheritdoc />
public void DrawText(Point location, string text, ITextPaint paint)
{
var textBlock = new TextBlock
{
VerticalAlignment = VerticalAlignment.Top,
HorizontalAlignment = HorizontalAlignment.Left,
Text = text,
Foreground = new SolidColorBrush(paint.Fill.ToSystemColor()),
FontSize = paint.TextStyle.FontSize,
FontFamily = new FontFamily(paint.TextStyle.FontFamily),
Margin = new Thickness(location.X, location.Y, 0, 0),
TextAlignment = paint.TextStyle.Alignment.ToSystemTextAlignment(),
Opacity = paint.Opacity
};
textBlock.Measure(new global::System.Windows.Size(double.PositiveInfinity, double.PositiveInfinity));
textBlock.Arrange(new Rect(0, 0, textBlock.DesiredSize.Width, textBlock.DesiredSize.Height));
textBlock.Margin = new Thickness(location.X, location.Y - textBlock.ActualHeight, 0, 0);
Canvas.Children.Add(textBlock);
}
/// <inheritdoc />
public void DrawText(Point location, string text, ITextPaint paint)
{
using var skPaint = GetSkiaTextPaint(paint);
Surface.Canvas.DrawText(text, location.ToSkPoint(), skPaint);
}