Method error

src/main/java/trace/graphics/Tops.kt:219–244

    }

    fun error(b: Box, text: String) {
        if (b.properties.get(FLineDrawing.frameDrawing) == null) return
        b.properties.putToMap(FLineDrawing.frameDrawing, "__tops_error__", java.util.function.Function<Box, FLine> {

            val frame = it.properties.get(Box.frame)

            var f = FLine()

            val shim = 5

            val O = Math.max(20.0, Math.min(frame.w, frame.h) / 3.0);
            f.moveTo((frame.x + frame.w + shim).toDouble(), (frame.y + frame.h - O - shim).toDouble())
            f.lineTo((frame.x + frame.w + shim).toDouble(), (frame.y + frame.h + shim).toDouble())
            f.lineTo((frame.x + frame.w - O - shim).toDouble(), (frame.y + frame.h + shim).toDouble())
            f.lineTo((frame.x + frame.w + shim).toDouble(), (frame.y + frame.h - O - shim).toDouble())

            f.attributes += StandardFLineDrawing.filled to true
            f.attributes += StandardFLineDrawing.stroked to true
            f.attributes += StandardFLineDrawing.fillColor to Vec4(0.5, 0, 0, -0.75)
            f.attributes += StandardFLineDrawing.strokeColor to Vec4(0.5, 0, 0, 0.75)

            f
        })

        (b.asMap_get("label") as MutableMap<String, String>).put("s", text)
    }

    fun noError(b: Box) {
        if (b.properties.get(FLineDrawing.frameDrawing) == null) return