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DatabaseObject = require(\"./DatabaseObject\");\n\nclass Face extends DatabaseObject {\n    constructor(x1, y1, z1, x2, y2, z2, x3, y3, z3, x4, y4, z4) {\n        super([\"AcDbEntity\", \"AcDbFace\"]);\n        this.x1 = x1;\n        this.y1 = y1;\n        this.z1 = z1;\n        this.x2 = x2;\n        this.y2 = y2;\n        this.z2 = z2;\n        this.x3 = x3;\n        this.y3 = y3;\n        this.z3 = z3;\n        this.x4 = x4;\n        this.y4 = y4;\n        this.z4 = z4;\n    }\n\n    tags(manager) {\n        //https://www.autodesk.com/techpubs/autocad/acadr14/dxf/3dface_al_u05_c.htm\n        manager.push(0, \"3DFACE\");\n        super.tags(manager);\n        manager.push(8, this.layer.name);\n        manager.point(this.x1, this.y1, this.z1);\n\n        manager.push(11, this.x2);\n        manager.push(21, this.y2);\n        manager.push(31, this.z2);\n\n        manager.push(12, this.x3);\n        manager.push(22, this.y3);\n        manager.push(32, this.z3);\n\n        manager.push(13, this.x4);\n        manager.push(23, this.y4);\n        manager.push(33, this.z4);\n    }\n}\n\nmodule.exports = Face;\n","class Handle {\n    static seed = 0;\n\n    static next() {\n        return (++Handle.seed).toString(16).toUpperCase();\n    }\n\n    static peek() {\n        return (Handle.seed + 1).toString(16).toUpperCase();\n    }\n}\n\nmodule.exports = Handle;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass Layer extends DatabaseObject {\n    constructor(name, colorNumber, lineTypeName = null) {\n        super([\"AcDbSymbolTableRecord\", \"AcDbLayerTableRecord\"]);\n        this.name = name;\n        this.colorNumber = colorNumber;\n        this.lineTypeName = lineTypeName;\n        this.shapes = [];\n        this.trueColor = -1;\n    }\n\n    tags(manager) {\n        manager.push(0, \"LAYER\");\n        super.tags(manager);\n        manager.push(2, this.name);\n        if (this.trueColor !== -1) manager.push(420, this.trueColor);\n        else manager.push(62, this.colorNumber);\n\n        manager.push(70, 0);\n        if (this.lineTypeName) manager.push(6, this.lineTypeName);\n\n        /* Hard-pointer handle to PlotStyleName object; seems mandatory, but any value seems OK,\n         * including 0.\n         */\n        manager.push(390, 1);\n    }\n\n    setTrueColor(color) {\n        this.trueColor = color;\n    }\n\n    addShape(shape) {\n        this.shapes.push(shape);\n        shape.layer = this;\n    }\n\n    getShapes() {\n        return this.shapes;\n    }\n\n    shapesTags(space, manager) {\n        for (const shape of this.shapes) {\n            shape.ownerObjectHandle = space.handle;\n            shape.tags(manager);\n        }\n    }\n}\n\nmodule.exports = Layer;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass Line extends DatabaseObject {\n    constructor(x1, y1, x2, y2) {\n        super([\"AcDbEntity\", \"AcDbLine\"]);\n        this.x1 = x1;\n        this.y1 = y1;\n        this.x2 = x2;\n        this.y2 = y2;\n    }\n\n    tags(manager) {\n        //https://www.autodesk.com/techpubs/autocad/acadr14/dxf/line_al_u05_c.htm\n        manager.push(0, \"LINE\");\n        super.tags(manager);\n        manager.push(8, this.layer.name);\n        manager.point(this.x1, this.y1);\n\n        manager.push(11, this.x2);\n        manager.push(21, this.y2);\n        manager.push(31, 0);\n    }\n}\n\nmodule.exports = Line;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass Line3d extends DatabaseObject {\n    constructor(x1, y1, z1, x2, y2, z2) {\n        super([\"AcDbEntity\", \"AcDbLine\"]);\n        this.x1 = x1;\n        this.y1 = y1;\n        this.z1 = z1;\n        this.x2 = x2;\n        this.y2 = y2;\n        this.z2 = z2;\n    }\n\n    tags(manager) {\n        //https://www.autodesk.com/techpubs/autocad/acadr14/dxf/line_al_u05_c.htm\n        manager.push(0, \"LINE\");\n        super.tags(manager);\n        manager.push(8, this.layer.name);\n        manager.point(this.x1, this.y1, this.z1);\n\n        manager.push(11, this.x2);\n        manager.push(21, this.y2);\n        manager.push(31, this.z2);\n    }\n}\n\nmodule.exports = Line3d;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass LineType extends DatabaseObject {\n    /**\n     * @param {string} name\n     * @param {string} description\n     * @param {array} elements - if elem > 0 it is a line, if elem < 0 it is gap, if elem == 0.0 it is a\n     */\n    constructor(name, description, elements) {\n        super([\"AcDbSymbolTableRecord\", \"AcDbLinetypeTableRecord\"]);\n        this.name = name;\n        this.description = description;\n        this.elements = elements;\n    }\n\n    tags(manager) {\n        // https://www.autodesk.com/techpubs/autocad/acadr14/dxf/ltype_al_u05_c.htm\n        manager.push(0, \"LTYPE\");\n        super.tags(manager);\n        manager.push(2, this.name);\n        manager.push(3, this.description);\n        manager.push(70, 0);\n        manager.push(72, 65);\n        manager.push(73, this.elements.length);\n        manager.push(40, this.getElementsSum());\n\n        this.elements.forEach((element) => {\n            manager.push(49, element);\n            manager.push(74, 0);\n        });\n    }\n\n    getElementsSum() {\n        return this.elements.reduce((sum, element) => {\n            return sum + Math.abs(element);\n        }, 0);\n    }\n}\n\nmodule.exports = LineType;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass Point extends DatabaseObject {\n    constructor(x, y) {\n        super([\"AcDbEntity\", \"AcDbPoint\"]);\n        this.x = x;\n        this.y = y;\n    }\n\n    tags(manager) {\n        //https://www.autodesk.com/techpubs/autocad/acadr14/dxf/point_al_u05_c.htm\n        manager.push(0, \"POINT\");\n        super.tags(manager);\n        manager.push(8, this.layer.name);\n        manager.point(this.x, this.y);\n    }\n}\n\nmodule.exports = Point;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass Polyline extends DatabaseObject {\n    /**\n     * @param {array} points - Array of points like [ [x1, y1], [x2, y2, bulge]... ]\n     * @param {boolean} closed\n     * @param {number} startWidth\n     * @param {number} endWidth\n     */\n    constructor(points, closed = false, startWidth = 0, endWidth = 0) {\n        super([\"AcDbEntity\", \"AcDbPolyline\"]);\n        this.points = points;\n        this.closed = closed;\n        this.startWidth = startWidth;\n        this.endWidth = endWidth;\n    }\n\n    tags(manager) {\n        manager.push(0, \"LWPOLYLINE\");\n        super.tags(manager);\n        manager.push(8, this.layer.name);\n        manager.push(6, \"ByLayer\");\n        manager.push(62, 256);\n        manager.push(370, -1);\n        manager.push(90, this.points.length);\n        manager.push(70, this.closed ? 1 : 0);\n\n        this.points.forEach((point) => {\n            const [x, y, z] = point;\n            manager.push(10, x);\n            manager.push(20, y);\n            if (this.startWidth !== 0 || this.endWidth !== 0) {\n                manager.push(40, this.startWidth);\n                manager.push(41, this.endWidth);\n            }\n            if (z !== undefined) manager.push(42, z);\n        });\n    }\n}\n\nmodule.exports = Polyline;\n","const DatabaseObject = require(\"./DatabaseObject\");\nconst Handle = require(\"./Handle\");\nconst Vertex = require(\"./Vertex\");\n\nclass Polyline3d extends DatabaseObject {\n    /**\n     * @param {[number, number, number][]} points - Array of points like [ [x1, y1, z1], [x2, y2, z2]... ]\n     */\n    constructor(points) {\n        super([\"AcDbEntity\", \"AcDb3dPolyline\"]);\n        this.verticies = points.map((point) => {\n            const [x, y, z] = point;\n            const vertex = new Vertex(x, y, z);\n            vertex.ownerObjectHandle = this.handle;\n            return vertex;\n        });\n        this.seqendHandle = Handle.next();\n    }\n\n    tags(manager) {\n        manager.push(0, \"POLYLINE\");\n        super.tags(manager);\n        manager.push(8, this.layer.name);\n        manager.push(66, 1);\n        manager.push(70, 0);\n        manager.point(0, 0);\n\n        this.verticies.forEach((vertex) => {\n            vertex.layer = this.layer;\n            vertex.tags(manager);\n        });\n\n        manager.push(0, \"SEQEND\");\n        manager.push(5, this.seqendHandle);\n        manager.push(100, \"AcDbEntity\");\n        manager.push(8, this.layer.name);\n    }\n}\n\nmodule.exports = Polyline3d;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass Spline extends DatabaseObject {\n    /**\n     * Creates a spline. See https://www.autodesk.com/techpubs/autocad/acad2000/dxf/spline_dxf_06.htm\n     * @param {[Array]} controlPoints - Array of control points like [ [x1, y1], [x2, y2]... ]\n     * @param {number} degree - Degree of spline: 2 for quadratic, 3 for cubic. Default is 3\n     * @param {[number]} knots - Knot vector array. If null, will use a uniform knot vector. Default is null\n     * @param {[number]} weights - Control point weights. If provided, must be one weight for each control point. Default is null\n     * @param {[Array]} fitPoints - Array of fit points like [ [x1, y1], [x2, y2]... ]\n     */\n    constructor(\n        controlPoints,\n        degree = 3,\n        knots = null,\n        weights = null,\n        fitPoints = []\n    ) {\n        super([\"AcDbEntity\", \"AcDbSpline\"]);\n        if (controlPoints.length < degree + 1) {\n            throw new Error(\n                `For degree ${degree} spline, expected at least ${\n                    degree + 1\n                } control points, but received only ${controlPoints.length}`\n            );\n        }\n\n        if (knots == null) {\n            // Examples:\n            // degree 2, 3 pts:  0 0 0 1 1 1\n            // degree 2, 4 pts:  0 0 0 1 2 2 2\n            // degree 2, 5 pts:  0 0 0 1 2 3 3 3\n            // degree 3, 4 pts:  0 0 0 0 1 1 1 1\n            // degree 3, 5 pts:  0 0 0 0 1 2 2 2 2\n\n            knots = [];\n            for (let i = 0; i < degree + 1; i++) {\n                knots.push(0);\n            }\n            for (let i = 1; i < controlPoints.length - degree; i++) {\n                knots.push(i);\n            }\n            for (let i = 0; i < degree + 1; i++) {\n                knots.push(controlPoints.length - degree);\n            }\n        }\n\n        if (knots.length !== controlPoints.length + degree + 1) {\n            throw new Error(\n                `Invalid knot vector length. Expected ${\n                    controlPoints.length + degree + 1\n                } but received ${knots.length}.`\n            );\n        }\n\n        this.controlPoints = controlPoints;\n        this.knots = knots;\n        this.fitPoints = fitPoints;\n        this.degree = degree;\n        this.weights = weights;\n\n        const closed = 0;\n        const periodic = 0;\n        const rational = this.weights ? 1 : 0;\n        const planar = 1;\n        const linear = 0;\n\n        this.type =\n            closed * 1 + periodic * 2 + rational * 4 + planar * 8 + linear * 16;\n\n        // Not certain where the values of these flags came from so I'm going to leave them commented for now\n        // const closed = 0\n        // const periodic = 0\n        // const rational = 1\n        // const planar = 1\n        // const linear = 0\n        // const splineType = 1024 * closed + 128 * periodic + 8 * rational + 4 * planar + 2 * linear\n    }\n\n    tags(manager) {\n        // https://www.autodesk.com/techpubs/autocad/acad2000/dxf/spline_dxf_06.htm\n        manager.push(0, \"SPLINE\");\n        super.tags(manager);\n        manager.push(8, this.layer.name);\n\n        manager.push(210, 0.0);\n        manager.push(220, 0.0);\n        manager.push(230, 1.0);\n\n        manager.push(70, this.type);\n        manager.push(71, this.degree);\n        manager.push(72, this.knots.length);\n        manager.push(73, this.controlPoints.length);\n        manager.push(74, this.fitPoints.length);\n\n        manager.push(42, 1e-7);\n        manager.push(43, 1e-7);\n        manager.push(44, 1e-10);\n\n        this.knots.forEach((knot) => {\n            manager.push(40, knot);\n        });\n\n        if (this.weights) {\n            this.weights.forEach((weight) => {\n                manager.push(41, weight);\n            });\n        }\n\n        this.controlPoints.forEach((point) => {\n            manager.point(point[0], point[1]);\n        });\n    }\n}\n\nmodule.exports = Spline;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass Table extends DatabaseObject {\n    constructor(name) {\n        super(\"AcDbSymbolTable\");\n        this.name = name;\n        this.elements = [];\n    }\n\n    add(element) {\n        element.ownerObjectHandle = this.handle;\n        this.elements.push(element);\n    }\n\n    tags(manager) {\n        manager.push(0, \"TABLE\");\n        manager.push(2, this.name);\n        super.tags(manager);\n        manager.push(70, this.elements.length);\n\n        this.elements.forEach((element) => {\n            element.tags(manager);\n        });\n\n        manager.push(0, \"ENDTAB\");\n    }\n}\n\nmodule.exports = Table;\n","class TagsManager {\n    constructor() {\n        this.lines = [];\n    }\n\n    /**\n     *\n     * @param {number} x\n     * @param {number} y\n     * @param {number} z\n     */\n    point(x, y, z = 0) {\n        this.push(10, x);\n        this.push(20, y);\n        this.push(30, z);\n    }\n\n    /**\n     *\n     * @param {string} name The name of the section\n     */\n    start(name) {\n        this.push(0, \"SECTION\");\n        this.push(2, name);\n    }\n\n    end() {\n        this.push(0, \"ENDSEC\");\n    }\n\n    addHeaderVariable(name, tagsElements) {\n        this.push(9, `$${name}`);\n        tagsElements.forEach((tagElement) => {\n            this.push(tagElement[0], tagElement[1]);\n        });\n    }\n\n    push(code, value) {\n        this.lines.push(code, value);\n    }\n\n    toDxfString() {\n        return this.lines.join(\"\\n\");\n    }\n}\n\nmodule.exports = TagsManager;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nconst H_ALIGN_CODES = [\"left\", \"center\", \"right\"];\nconst V_ALIGN_CODES = [\"baseline\", \"bottom\", \"middle\", \"top\"];\n\nclass Text extends DatabaseObject {\n    /**\n     * @param {number} x - x\n     * @param {number} y - y\n     * @param {number} height - Text height\n     * @param {number} rotation - Text rotation\n     * @param {string} value - the string itself\n     * @param {string} [horizontalAlignment=\"left\"] left | center | right\n     * @param {string} [verticalAlignment=\"baseline\"] baseline | bottom | middle | top\n     */\n    constructor(\n        x,\n        y,\n        height,\n        rotation,\n        value,\n        horizontalAlignment = \"left\",\n        verticalAlignment = \"baseline\"\n    ) {\n        super([\"AcDbEntity\", \"AcDbText\"]);\n        this.x = x;\n        this.y = y;\n        this.height = height;\n        this.rotation = rotation;\n        this.value = value;\n        this.hAlign = horizontalAlignment;\n        this.vAlign = verticalAlignment;\n    }\n\n    tags(manager) {\n        //https://www.autodesk.com/techpubs/autocad/acadr14/dxf/text_al_u05_c.htm\n        manager.push(0, \"TEXT\");\n        super.tags(manager);\n        manager.push(8, this.layer.name);\n        manager.point(this.x, this.y);\n        manager.push(40, this.height);\n        manager.push(1, this.value);\n        manager.push(50, this.rotation);\n\n        if (\n            H_ALIGN_CODES.includes(this.hAlign, 1) ||\n            V_ALIGN_CODES.includes(this.vAlign, 1)\n        ) {\n            manager.push(72, Math.max(H_ALIGN_CODES.indexOf(this.hAlign), 0));\n\n            manager.push(11, this.x);\n            manager.push(21, this.y);\n            manager.push(31, 0);\n\n            /* AutoCAD needs this one more time, yes, exactly here. */\n            manager.push(100, \"AcDbText\");\n            manager.push(73, Math.max(V_ALIGN_CODES.indexOf(this.vAlign), 0));\n        } else {\n            /* AutoCAD needs this one more time. */\n            manager.push(100, \"AcDbText\");\n        }\n    }\n}\n\nmodule.exports = Text;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass TextStyle extends DatabaseObject {\n    fontFileName = 'txt';\n    constructor(name) {\n        super([\"AcDbSymbolTableRecord\", \"AcDbTextStyleTableRecord\"]);\n        this.name = name;\n    }\n\n    tags(manager) {\n        manager.push(0, \"STYLE\");\n        super.tags(manager);\n        manager.push(2, this.name);\n        /* No flags set */\n        manager.push(70, 0);\n        manager.push(40, 0);\n        manager.push(41, 1);\n        manager.push(50, 0);\n        manager.push(71, 0);\n        manager.push(42, 1);\n        manager.push(3, this.fontFileName);\n        manager.push(4, \"\");\n    }\n}\n\nmodule.exports = TextStyle;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass Vertex extends DatabaseObject {\n    /**\n     *\n     * @param {number} x The X coordinate\n     * @param {number} y The Y coordinate\n     * @param {number} z The Z coordinate\n     */\n    constructor(x, y, z) {\n        super([\"AcDbEntity\", \"AcDbVertex\", \"AcDb3dPolylineVertex\"]);\n        this.x = x;\n        this.y = y;\n        this.z = z;\n    }\n\n    tags(manager) {\n        manager.push(0, \"VERTEX\");\n        super.tags(manager);\n        manager.push(8, this.layer.name);\n        manager.point(this.x, this.y, this.z);\n        manager.push(70, 32);\n    }\n}\n\nmodule.exports = Vertex;\n","const DatabaseObject = require(\"./DatabaseObject\");\n\nclass Viewport extends DatabaseObject {\n    constructor(name, height) {\n        super([\"AcDbSymbolTableRecord\", \"AcDbViewportTableRecord\"]);\n        this.name = name;\n        this.height = height;\n    }\n\n    tags(manager) {\n        manager.push(0, \"VPORT\");\n        super.tags(manager);\n        manager.push(2, this.name);\n        manager.push(40, this.height);\n        /* No flags set */\n        manager.push(70, 0);\n    }\n}\n\nmodule.exports = Viewport;\n"],"names":["DatabaseObject","module","exports","constructor","x1","y1","z1","x2","y2","z2","x3","y3","z3","x4","y4","z4","super","this","tags","manager","push","layer","name","point","Handle","static","next","seed","toString","toUpperCase","peek","colorNumber","lineTypeName","shapes","trueColor","setTrueColor","color","addShape","shape","getShapes","shapesTags","space","ownerObjectHandle","handle","description","elements","length","getElementsSum","forEach","element","reduce","sum","Math","abs","x","y","points","closed","startWidth","endWidth","z","undefined","Vertex","verticies","map","vertex","seqendHandle","controlPoints","degree","knots","weights","fitPoints","Error","i","rational","type","planar","linear","knot","weight","add","lines","start","end","addHeaderVariable","tagsElements","tagElement","code","value","toDxfString","join","H_ALIGN_CODES","V_ALIGN_CODES","height","rotation","horizontalAlignment","verticalAlignment","hAlign","vAlign","includes","max","indexOf","fontFileName"],"sourceRoot":""}