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Class
LineRenderHelper
static
Emits one decoration-line quad spanning [startX, endX] at baselineY + lineYOffset, sampling the underscore SDF column described by [uvLeft, uvRight] (use centerX..centerX for stretch segments and -sdfPadding..centerX / centerX..aspect+sdfPadding for end caps).
Emits one dot quad centered at (centerX, baselineY + lineYOffset), sized dotSize * aspect × dotSize where aspect is the bullet glyph's natural width/height ratio (typically ≈1). Samples the bullet glyph (U+2022) so the SDF gives a true round shape with antialiased edge. Falls back to a square dotSize×dotSize stretched-underscore mark when the resolved font has no bullet glyph or the atlas entry is missing.