-/*
- * pixel_manipulator.js
- *
- * Copyright 2020 Elias Fleckenstein <eliasfleckenstein@web.de>
- *
- * 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 2 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, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- *
- *
- */
-
-dragonblocks.PixelManipulator = class
-{
- constructor(arr)
- {
- this.data = [];
- this.functions = [];
-
- let pos;
-
- for (let y = 0; y < arr.length; y++) {
- for (let x = 0; x < arr[y].length; x++) {
- let node = arr[y][x];
-
- if (node[0] == "§") {
- pos = {x: x, y: y};
- node = node.slice(1, node.length);
- }
-
- if (node == "")
- continue;
-
- this.data.push({
- x: x,
- y: y,
- node: node,
- });
- }
- }
-
- if (! pos)
- pos = {x: 0, y: 0};
-
- for (let pixel of this.data) {
- pixel.x = pixel.x - pos.x;
- pixel.y = pixel.y - pos.y;
- }
- }
-
- apply(x, y)
- {
- for (let pixel of this.data) {
- let mx, my;
- mx = pixel.x + x;
- my = pixel.y + y;
-
- let node = dragonblocks.getNode(mx, my);
- if (! node)
- continue;
-
- let nodeDef = node.toNode();
-
- let doApply = true;
-
- for (let func of this.functions) {
- if (func(nodeDef, mx, my, pixel.node) == false) {
- doApply = false;
- break;
- }
- }
-
- if (doApply)
- dragonblocks.setNode(mx, my, pixel.node);
- }
-
- return this;
- }
-
- replace(toReplace, replaceWith)
- {
- for (let pixel of this.data)
- if (pixel.node == toReplace)
- pixel.node = replaceWith;
-
- return this;
- }
-
- addFunction(func)
- {
- this.functions.push(func);
- return this;
- }
-};