private float MeasureTextNodeLength(TextNode node, FontData fontData, FontRenderOptions options)
{
bool monospaced = fontData.IsMonospacingActive(options);
float monospaceWidth = fontData.GetMonoSpaceWidth(options);
if (node.Type == TextNodeType.Space)
{
if (monospaced)
return monospaceWidth;
return (float)Math.Ceiling(fontData.meanGlyphWidth * options.WordSpacing);
}
float length = 0f;
if (node.Type == TextNodeType.Word)
{
for (int i = 0; i < node.Text.Length; i++)
{
char c = node.Text[i];
if (fontData.CharSetMapping.ContainsKey(c))
{
if (monospaced)
length += monospaceWidth;
else
length += (float)Math.Ceiling(fontData.CharSetMapping[c].rect.Width + fontData.meanGlyphWidth * options.CharacterSpacing + fontData.GetKerningPairCorrection(i, node.Text, node));
}
}
}
return length;
}
public void MeasureNodes(FontData fontData, FontRenderOptions options)
{
foreach (TextNode node in this)
{
if (node.Length == 0f)
node.Length = MeasureTextNodeLength(node, fontData, options);
}
}
public float GetMonoSpaceWidth(FontRenderOptions options)
{
return (float)Math.Ceiling(1 + (1 + options.CharacterSpacing) * meanGlyphWidth);
}
public bool IsMonospacingActive(FontRenderOptions options)
{
return (options.Monospacing == FontMonospacing.Natural && naturallyMonospaced) || options.Monospacing == FontMonospacing.Yes;
}
public FontRenderOptions CreateClone()
{
var clone = new FontRenderOptions();
clone.CharacterSpacing = CharacterSpacing;
clone.WordSpacing = WordSpacing;
clone.LineSpacing = LineSpacing;
clone.Monospacing = Monospacing;
clone.JustifyCharacterWeightForExpand = JustifyCharacterWeightForExpand;
clone.justifyCharWeightForExpand = justifyCharWeightForExpand;
clone.JustifyCharacterWeightForContract = JustifyCharacterWeightForContract;
clone.justifyCharWeightForContract = justifyCharWeightForContract;
clone.JustifyCapExpand = JustifyCapExpand;
clone.JustifyCapContract = JustifyCapContract;
clone.JustifyContractionPenalty = JustifyContractionPenalty;
return clone;
}
