/*
 * Verrückte Turing-Maschinen — A turing complete game
 * Copyright (C) 2016 Christian Fraß <vidofnir@folksprak.org>
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

module mod_vtm
	{
		
		export module mod_manifestation
			{
				
				export module mod_svg
					{
						
						/**
						 * @author kcf <vidofnir@folksprak.org>
						 */
						export const float_praezission : int = 4;
						
						
						/**
						 * @author kcf <vidofnir@folksprak.org>
						 */
						export const form_pfeil : string = "M +4 0 L 0 +1 L 0 -1 Z";
						
						
						/**
						 * @author kcf <vidofnir@folksprak.org>
						 */
						export function rotation
							(
								staerke : float
							)
							: string
							{
								return (
									"rotate"
									+ "("
									+ (staerke * 360).toFixed(float_praezission)
									+ ")"
								);
							}
						
						
						/**
						 * @author kcf <vidofnir@folksprak.org>
						 */
						export function translation
							(
								x : float,
								y : float
							)
							: string
							{
								return (
									"translate"
									+ "("
									+ x.toFixed(float_praezission)
									+ ", "
									+ y.toFixed(float_praezission)
									+ ")"
								);
							}
						
						
						/**
						 * @author kcf <vidofnir@folksprak.org>
						 */
						export function skalierung
							(
								staerke : float
							)
							: string
							{
								return (
									"scale"
									+ "("
									+ staerke.toFixed(float_praezission)
									+ ")"
								);
							}
						
						
						/**
						 * @author kcf <vidofnir@folksprak.org>
						 */
						export function pfad
							(
								vertices : Array<lib_vektor.typ_vektor>,
								schliessen : boolean = true,
								attribute : {[schlussel : string] : string} = {},
							)
							: lib_xml.typ_knoten
							{
								let d : string = "";
								vertices.forEach
									(
										(vertex, index) =>
											{
												let c : string = ((index <= 0) ? "M" : "L");
												let x : string = vertex.x.toFixed(float_praezission);
												let y : string = vertex.y.toFixed(float_praezission);
												d += [c, x, y].join(" ");
											}
									)
								;
								if (schliessen)
									d += "Z";
								attribute["d"] = d;
								return (lib_xml.erstellen_normal("path", attribute));
							}
						
						
						/**
						 * @author kcf <vidofnir@folksprak.org>
						 */
						export function wurzel
							(
								von_x : float,
								von_y : float,
								bis_x : float,
								bis_y : float,
								hoehe : int = 500,
								breite : int = 500,
								kinder : Array<lib_xml.typ_knoten> = []
							)
							: lib_xml.typ_knoten
							{
								return (
									lib_xml.erstellen_normal
										(
											"svg",
											{
												"xmlns": "http://www.w3.org/2000/svg",
												"xmlns:xlink": "http://www.w3.org/1999/xlink",
												"width": breite.toFixed(0),
												"height": hoehe.toFixed(0),
												"viewBox": [von_x.toFixed(4), von_y.toFixed(4), (bis_x-von_x).toFixed(4), (bis_y-von_y).toFixed(4)].join(" "),
											},
											kinder,
										)
								);
							}
						
					}
				
			}
		
	}