private static void DrawText(ICoreUIDrawContext context, string text, CoreUIDomElement container)
{
context.Font = container.Style.FontStyles;
var words = text.Split(' ', StringSplitOptions.RemoveEmptyEntries);
var lines = new List <string>();
var currentLine = string.Empty;
foreach (var word in words)
{
var candidateLine = $"{currentLine} {word}";
if (context.MeasureText(candidateLine).Width <= container.DrawBox.ContentBox.Width)
{
currentLine = candidateLine;
}
else
{
lines.Add(currentLine);
currentLine = word;
}
}
lines.Add(currentLine);
var drawPoint = container.DrawBox.ContentBox.Location;
lines.ForEach(l =>
{
var measure = context.MeasureText(l);
context.FillText(l, drawPoint);
drawPoint = new Point(drawPoint.X, drawPoint.Y + measure.Height);
});
}
public void CalculateDrawBoxesForTree(CoreUIDomElement element)
{
var box = CalculateWidth(element);
box = CalculateHeight(element, box);
box = CalculatePositions(element, box);
element.DrawBox = box;
}
// Postition
private DrawBox CalculatePositions(CoreUIDomElement element, DrawBox box)
{
var style = element.Style;
var marginBox = box.MarginBox;
var borderBox = box.BorderBox;
var paddingBox = box.PaddingBox;
var contentBox = box.ContentBox;
var parentLocation = element.Parent.DrawBox.ContentBox.Location;
var location = parentLocation;
var previousSibling = element.Previous();
if (previousSibling != null)
{
if (element.Style.Display == DisplayStyle.Block)
{
location = location + new Size(0, previousSibling.DrawBox.BorderBox.Location.Y);
}
var previousElement = previousSibling as CoreUIDomElement;
if (previousElement != null)
{
}
}
marginBox.Location = location;
borderBox.Location = style.Margin.GetDrawPosition(marginBox);
paddingBox.Location = style.Border.Box.GetDrawPosition(borderBox);
contentBox.Location = style.Padding.GetDrawPosition(paddingBox);
return(new DrawBox
{
BorderBox = borderBox,
ContentBox = contentBox,
MarginBox = marginBox,
PaddingBox = paddingBox
});
}
// Height
private DrawBox CalculateHeight(CoreUIDomElement element, DrawBox currentBox)
=> element.Style.Display switch
{
