internal static ITextContext GetTextContext(string text, Size size, StyleRuleSet style, GUIState state)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
if (style == null)
{
throw new ArgumentNullException(nameof(style));
}
var fontFamily = style.Get <string>(StylePropertyName.FontFamily, state);
var fontSize = style.Get <double>(StylePropertyName.FontSize, state);
var textAlignment = (TextAlignment)style.Get <int>(StylePropertyName.TextAlignment, state);
return(TextContextCache.Default.GetOrAdd(text, fontFamily, fontSize, textAlignment));
}
public static Rect GetContentBox(Rect rect, StyleRuleSet style)
{
//Widths of border
var bt = style.Get <double>(GUIStyleName.BorderTop);
var br = style.Get <double>(GUIStyleName.BorderRight);
var bb = style.Get <double>(GUIStyleName.BorderBottom);
var bl = style.Get <double>(GUIStyleName.BorderLeft);
//Widths of padding
var pt = style.Get <double>(GUIStyleName.PaddingTop);
var pr = style.Get <double>(GUIStyleName.PaddingRight);
var pb = style.Get <double>(GUIStyleName.PaddingBottom);
var pl = style.Get <double>(GUIStyleName.PaddingLeft);
//4 corner of the border-box
var btl = new Point(rect.Left, rect.Top);
var btr = new Point(rect.Right, rect.Top);
var bbr = new Point(rect.Right, rect.Bottom);
var bbl = new Point(rect.Left, rect.Bottom);
//4 corner of the padding-box
var ptl = new Point(btl.X + bl, btl.Y + bt);
var ptr = new Point(btr.X - br, btr.Y + bt);
var pbr = new Point(bbr.X - br, bbr.Y - bb);
var pbl = new Point(bbl.X + bl, bbl.Y - bb);
Debug.Assert(ptl.X < ptr.X);//TODO what if (ptl.X > ptr.X) happens?
//4 corner of the content-box
var ctl = new Point(ptl.X + pl, ptl.Y + pt);
var ctr = new Point(ptr.X - pr, ptr.Y + pr);
var cbr = new Point(pbr.X - pr, pbr.Y - pb);
var cbl = new Point(pbl.X + pl, pbl.Y - pb);
if (ctl.X >= ctr.X)
{
Log.Warning("Content box is zero-sized.");
return(new Rect(ctl, Size.Zero));
}
return(new Rect(ctl, cbr));
}
internal static ITextContext GetTextContext(string text, Size size, StyleRuleSet style, GUIState state)
{
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
if (style == null)
{
throw new ArgumentNullException(nameof(style));
}
int textMeshId = GetTextId(text, state);
ITextContext textContext;
if (TextContextCache.TryGetValue(textMeshId, out textContext))
{
return(textContext);
}
else
{
// create a TextContent for the text
var fontFamily = style.Get <string>(GUIStyleName.FontFamily, state);
var fontSize = style.Get <double>(GUIStyleName.FontSize, state);
var fontStretch = (FontStretch)style.Get <int>(GUIStyleName.FontStretch, state);
var fontStyle = (FontStyle)style.Get <int>(GUIStyleName.FontStyle, state);
var fontWeight = (FontWeight)style.Get <int>(GUIStyleName.FontWeight, state);
var textAlignment = (TextAlignment)style.Get <int>(GUIStyleName.TextAlignment, state);
textContext = Application.PlatformContext.CreateTextContext(
text,
fontFamily, (int)fontSize, fontStretch, fontStyle, fontWeight,
(int)Math.Ceiling(size.Width), (int)Math.Ceiling(size.Height),
textAlignment);
textContext.Build(Point.Zero);
TextContextCache.Add(textMeshId, textContext);
}
return(textContext);
}