/// <summary>
/// Sets the formatting for the given range of characters in the line
/// </summary>
public void SetFormatting(int start, int end, GlyphFormat format, bool onlyChangeColor)
{
Vector4 bbColor = QuadBoard.GetQuadBoardColor(format.Data.Item4);
for (int n = start; n <= end; n++)
{
if (onlyChangeColor)
{
var quadBoard = glyphBoards[n];
quadBoard.bbColor = bbColor;
glyphBoards[n] = quadBoard;
formattedGlyphs[n] = new FormattedGlyph(formattedGlyphs[n].glyph, format);
}
else if (!formattedGlyphs[n].format.Equals(format))
{
IFontStyle fontStyle = FontManager.GetFontStyle(format.Data.Item3);
float scale = format.Data.Item2 * fontStyle.FontScale;
Glyph glyph = fontStyle[chars[n]];
Vector2 glyphSize = new Vector2(glyph.advanceWidth, fontStyle.Height) * scale;
formattedGlyphs[n] = new FormattedGlyph(glyph, format);
locData[n] = new GlyphLocData(glyph.MatFrame.Material.size * scale, glyphSize);
glyphBoards[n] = glyph.GetQuadBoard(format, bbColor);
}
}
}
/// <summary>
/// Builds a list of <see cref="Line.RichChar"/>s from RichString data.
/// </summary>
protected static void GetRichChars(RichStringMembers richString, Line charBuffer, bool allowSpecialChars)
{
StringBuilder text = richString.Item1;
GlyphFormatMembers formatData = richString.Item2;
Color lastColor = default(Color);
Vector4 bbColor = default(Vector4);
charBuffer.EnsureCapacity(charBuffer.Count + text.Length);
for (int n = 0; n < text.Length; n++)
{
if (formatData.Item4 != lastColor)
{
lastColor = formatData.Item4;
bbColor = QuadBoard.GetQuadBoardColor(formatData.Item4);
}
if (text[n] >= ' ' || allowSpecialChars && (text[n] == '\n' || text[n] == '\t'))
{
charBuffer.InsertNew(charBuffer.Chars.Count, text[n], new GlyphFormat(formatData), bbColor);
}
}
}
/// <summary>
/// Generates underlines for underlined text
/// </summary>
private void UpdateUnderlines()
{
int visRange = endLine - startLine;
underlines.Clear();
underlines.EnsureCapacity(visRange);
for (int ln = startLine; ln <= endLine; ln++)
{
Line line = lines[ln];
if (line.Count > 0)
{
GlyphFormatMembers?formatData = line.FormattedGlyphs[0].format.Data;
int startCh = 0;
for (int ch = 0; ch < lines[ln].Count; ch++)
{
GlyphFormatMembers?nextFormat = null;
if (ch != line.Count - 1)
{
nextFormat = line.FormattedGlyphs[ch + 1].format.Data;
}
bool formatEqual = nextFormat != null &&
formatData.Value.Item1 == nextFormat.Value.Item1 &&
formatData.Value.Item2 == nextFormat.Value.Item2 &&
formatData.Value.Item3 == nextFormat.Value.Item3 &&
formatData.Value.Item4 == nextFormat.Value.Item4;
if (!formatEqual)
{
if (((FontStyles)formatData.Value.Item3.Y & FontStyles.Underline) > 0)
{
GlyphLocData start = line.LocData[startCh], end = line.LocData[ch];
Vector2 pos = new Vector2
(
(start.bbOffset.X + end.bbOffset.X) * .5f,
end.bbOffset.Y - (end.chSize.Y * .5f - (1f * formatData.Value.Item2))
);
Vector2 size = new Vector2
(
(end.bbOffset.X - start.bbOffset.X) + (end.chSize.X + start.chSize.X) * .5f,
Math.Max((int)formatData.Value.Item2, 1)
);
Vector4 color = QuadBoard.GetQuadBoardColor(formatData.Value.Item4) * .9f;
underlines.Add(new UnderlineBoard(size, pos, color));
}
startCh = ch;
formatData = nextFormat;
}
}
}
}
if (visRange > 9 && underlines.Capacity > 3 * underlines.Count && underlines.Capacity > visRange)
{
underlines.TrimExcess();
}
}
