protected override void RenderOverride(RenderContext context)
{
base.RenderOverride(context);
if (Content == null)
{
return;
}
if (Content is UIElement child)
{
child.Render(context.Canvas);
}
else
{
var text = Content.ToString();
var finalWidth = this.RenderSize.Width - (Padding.Left + Padding.Right);
var finalHeight = this.RenderSize.Height - (Padding.Top + Padding.Bottom);
float x = (float)Padding.Left;
float y = (float)Padding.Top + (float)finalHeight;
var paint = new SKPaint();
paint.ApplyBrush(Foreground, Opacity);
paint.ApplyFont(FontFamily, FontSize, FontStyle, FontStretch, FontWeight);
context.Canvas.DrawText(text, x, y, paint);
}
}
protected override void RenderOverride(RenderContext context)
{
//if (Background != null)
//{
//using var paint = new SKPaint();
// paint.IsFill();
// paint.ApplyBrush(Background, Opacity);
// context.Canvas.DrawRoundRect(borderRect, 2.0f, 2.0f, paint);
//}
base.RenderOverride(context);
if (Content != null)
{
if (Content is UIElement child)
{
child.Render(context.Canvas);
}
else
{
using var paint = new SKPaint();
var text = Content.ToString();
var finalWidth = this.RenderSize.Width - (Padding.Left + Padding.Right);
var finalHeight = this.RenderSize.Height - (Padding.Top + Padding.Bottom);
float x = (float)Padding.Left + ((float)finalWidth - _textContentSize.Width) / 2;
float y = (float)Padding.Top + (float)finalHeight - ((float)finalHeight - _textContentSize.Height) / 2;
paint.ApplyBrush(Foreground, Opacity);
paint.ApplyFont(FontFamily, FontSize, FontStyle, FontStretch, FontWeight);
context.Canvas.DrawText(text, (int)x, (int)y, paint);
}
}
//if (BorderBrush != null && BorderThickness.Any())
//{
// using var paint = new SKPaint();
// paint.IsStroke = true;
// paint.StrokeWidth = (float)BorderThickness.UniformLength;
// paint.ApplyBrush(BorderBrush, Opacity);
// context.Canvas.DrawRoundRect(
// borderRect,
// 2.0f,
// 2.0f,
// paint);
//}
}
protected override Size MeasureOverride(Size availableSize)
{
// Compute the chrome size added by padding
var paddingSize = new Size(this.Padding.Left + this.Padding.Right, this.Padding.Top + this.Padding.Bottom);
if (_content == null)
{
return(paddingSize);
}
//If we have a child
if (_content is UIElement child)
{
// Remove size of padding only from child's reference size.
var childConstraint = new Size(Math.Max(0.0, availableSize.Width - paddingSize.Width),
Math.Max(0.0, availableSize.Height - paddingSize.Height));
child.Measure(childConstraint);
var childSize = child.DesiredSize;
if (!childSize.IsEmpty)
{
// Now use the returned size to drive our size, by adding back the margins, etc.
return(new Size(
childSize.Width + paddingSize.Width,
childSize.Height + paddingSize.Height));
}
return(paddingSize);
}
else
{
var text = this.Content.ToString();
var paint = new SKPaint();
paint.ApplyFont(FontFamily, FontSize, FontStyle, FontStretch, FontWeight);
var bounds = new SKRect();
paint.MeasureText(text, ref bounds);
_textContentSize = bounds.Size;
return(new Size(bounds.Width + paddingSize.Width, bounds.Height + paddingSize.Height));
}
}
