/// <summary>
/// Returns the width of a single space character in this font, with the given context.
/// </summary>
/// <param name="graphicsContext"></param>
/// <returns></returns>
public double GetNormalSpaceWidth(IGraphicsContext graphicsContext)
{
if (graphicsContext is null)
{
throw new ArgumentNullException(nameof(graphicsContext));
}
return(graphicsContext.MeasureString(Resources.SpaceCharacter, this).Width);
}
/// <summary>
/// Measure the size of the cell when drawn.
/// </summary>
/// <param name="context">The graphics context which will be used to measure and draw the cell.</param>
public override void MeasureSize(IGraphicsContext context)
{
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
string content = Content ?? string.Empty;
var metrics = context.MeasureString(content, Font);
ContentWidth = metrics.Width;
ContentAscent = Font.Ascent;
ContentDescent = metrics.Height - ContentAscent;
ComputedBaseline = Font.Ascent;
ComputedHeight = ContentAscent + ContentDescent;
ComputedWidth = MinWidth;
}
public static void PopulateSize(this TrainGraphAxisTickInfo tickInfo, IGraphicsContext context, IFontDescriptor font)
{
if (tickInfo is null)
{
throw new ArgumentNullException(nameof(tickInfo));
}
if (context is null)
{
throw new ArgumentNullException(nameof(context));
}
UniSize measure = context.MeasureString(tickInfo.Label, font);
tickInfo.Width = measure.Width;
tickInfo.Height = measure.Height;
}
/// <summary>
/// Construct a <see cref="Word" /> instance.
/// </summary>
/// <param name="content">The textual content of the word.</param>
/// <param name="font">The font to use for display.</param>
/// <param name="graphicsContext">The graphics context for providing metrics.</param>
/// <param name="postWordSpace">The minimum amount of space to add after the word if it is not at the end of a line.</param>
public Word(string content, IFontDescriptor font, IGraphicsContext graphicsContext, double postWordSpace)
{
if (font is null)
{
throw new ArgumentNullException(nameof(font));
}
Content = content;
Font = font;
PostWordSpace = postWordSpace;
if (string.IsNullOrEmpty(Content) || graphicsContext == null)
{
ContentWidth = 0;
ContentAscent = 0;
ContentDescent = 0;
}
else
{
var measure = graphicsContext.MeasureString(Content, Font);
ContentWidth = measure.Width;
ContentAscent = font.Ascent;
ContentDescent = measure.Height - ContentAscent;
}
}
