public CanvasLayer(UGContext context, float alpha, UGRect clipRect) : this(context, 2)
{
_context.Native.PushOpacity(alpha);
var geometry = new RectangleGeometry(clipRect.ToWPFRect());
_context.Native.PushClip(geometry);
}
public void OnDraw(IUGContext context)
{
var rect = new UGRect(10, 20, 100, 200);
context.FillRoundedRectangle(rect, 40, 80, RED);
context.DrawRoundedRectangle(rect, 40, 80, BLUE);
var rect2 = new UGRect();
rect2.X = 4;
rect2.Y = 131;
rect2.Width = 10;
rect2.Height = 40;
context.DrawRectangle(rect2, BLUE, 2, STYLE);
var points = new[]
{
new Vector2()
{
X = 10F, Y = 20F
},
new Vector2()
{
X = 20F, Y = 10F
},
new Vector2()
{
X = 30F, Y = 20F
},
new Vector2()
{
X = 40F, Y = 10F
},
new Vector2()
{
X = 50F, Y = 20F
},
new Vector2()
{
X = 60F, Y = 10F
},
};
context.DrawLines(points, BLUE);
var points2 = points.Select(p => { p.Y += 30F; return(p); }).ToArray();
context.DrawLines(points2, BLUE, 2F);
var points3 = points2.Select(p => { p.Y += 30F; return(p); }).ToArray();
context.DrawLines(points3, BLUE, 3F, STYLE);
}
private void ComputeBounds()
{
#if __MACOS__
var attributes = new NSStringAttributes()
{
Font = _textFormat.Native,
};
var size = _native.StringSize(attributes);
#else
var attributes = new UIStringAttributes()
{
Font = _textFormat.Native,
};
var size = _native.GetSizeUsingAttributes(attributes);
#endif
_LayoutBounds = new UGRect(
0F,
0F,
(float)size.Width,
(float)size.Height);
if (HorizontalAlignment != UGHorizontalAlignment.Left)
{
if (HorizontalAlignment == UGHorizontalAlignment.Right)
{
_LayoutBounds.X = Math.Max(0F, _requestedSize.Width - _LayoutBounds.Width);
}
else if (HorizontalAlignment == UGHorizontalAlignment.Center)
{
_LayoutBounds.X = Math.Max(0F, (_requestedSize.Width - _LayoutBounds.Width) / 2F);
}
}
if (VerticalAlignment != UGVerticalAlignment.Top)
{
if (VerticalAlignment == UGVerticalAlignment.Bottom)
{
_LayoutBounds.Y = Math.Max(0F, _requestedSize.Height - _LayoutBounds.Height);
}
else if (VerticalAlignment == UGVerticalAlignment.Center)
{
_LayoutBounds.Y = Math.Max(0F, (_requestedSize.Height - _LayoutBounds.Height) / 2F);
}
}
}
private void ComputeBounds()
{
var layout = GetLayout();
_LayoutBounds = new UGRect(
0F,
0F,
layout.Width,
layout.Height);
if (VerticalAlignment != UGVerticalAlignment.Top)
{
if (VerticalAlignment == UGVerticalAlignment.Bottom)
{
_LayoutBounds.Y = Math.Max(0F, _requestedSize.Height - _LayoutBounds.Height);
}
else if (VerticalAlignment == UGVerticalAlignment.Center)
{
_LayoutBounds.Y = Math.Max(0F, (_requestedSize.Height - _LayoutBounds.Height) / 2F);
}
}
}
public CanvasLayer(UGContext context, UGRect clipRect) : this(context, 1)
{
var geometry = new RectangleGeometry(clipRect.ToWPFRect());
_context.Native.PushClip(geometry);
}
public static CGRect ToCGRect(this UGRect rect) => new CGRect(rect.X, rect.Y, rect.Width, rect.Height);
public static Rect ToWinRTRect(this UGRect rect) => new Rect(rect.X, rect.Y, rect.Width, rect.Height);
public static RectangleF ToGDIRect(this UGRect rect) => new RectangleF(rect.X, rect.Y, rect.Width, rect.Height);
public static RectF ToAGRectF(this UGRect rect) => new RectF(rect.X, rect.Y, rect.X + rect.Width, rect.Y + rect.Height);
public static Rect ToAGRect(this UGRect rect)
=> new Rect(
(int)(rect.X + 0.5F),
(int)(rect.Y + 0.5F),
(int)(rect.X + rect.Width + 0.5F),
(int)(rect.Y + rect.Height + 0.5F));
