public Rectangle CalculateSafeArea(Rectangle parentBoundaries,IStylingRule style, AlignmentContext context)
{
var width = style.Width ?? parentBoundaries.Width;
var height = style.Height ?? parentBoundaries.Height;
var safeArea = new Rectangle(
parentBoundaries.X + (parentBoundaries.Width - context.XAxis.SpaceAvailable)
, parentBoundaries.Y + (parentBoundaries.Height - context.YAxis.SpaceAvailable)
, width
, height);
return safeArea;
}
public void RenderElement(INode<IGuiElement> element, INode<IGuiElement> parent)
{
var elementStyle = styleProvider(element.Data);
alignmentContext = (previousParent == parent) ?
alignmentContext : CalculateAlignmentContext(element);
var renderRectangle = elementStyle.Alignment.CalculateSafeArea(parent.Data.OccupiedScreenRectangle, elementStyle, alignmentContext);
element.Data.OccupiedScreenRectangle = renderRectangle;
renderContext.SafeArea =
new Rectangle(0, 0, renderRectangle.Width, renderRectangle.Height);
RenderInSafeArea(renderRectangle, () => element.Data.Render(renderContext, elementStyle));
elementStyle.Border.Render(renderContext);
alignmentContext.Update(element.Data);
}