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FastAsyncWorldEdit/contrib/craftscripts/draw.js

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JavaScript

// $Id$
/*
* Very bad image drawer
* Copyright (C) 2011 sk89q <http://www.sk89q.com>
*
* 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 <http://www.gnu.org/licenses/>.
*/
importPackage(Packages.java.io);
importPackage(Packages.java.awt);
importPackage(Packages.javax.imageio);
importPackage(Packages.com.sk89q.worldedit);
importPackage(Packages.com.sk89q.worldedit.blocks);
function makeColor(r, g, b) {
return new Color(r / 255, g / 255, b / 255);
}
var clothColors = [
makeColor(254, 254, 254), // White - fixed so white gets picked over pink for white pixels
makeColor(255, 100, 0), // Orange
makeColor(200, 0, 200), // Magenta
makeColor(87, 132, 223), // Light blue
makeColor(255, 255, 0), // Yellow
makeColor(0, 255, 0), // Green
makeColor(255, 180, 200), // Pink
makeColor(72, 72, 72), // Gray
makeColor(173, 173, 173), // Light grey
makeColor(0, 100, 160), // Cyan
makeColor(120, 0, 200), // Purple
makeColor(0, 0, 175), // Blue
makeColor(100, 60, 0), // Brown
makeColor(48, 80, 0), // Cactus green
makeColor(255, 0, 0), // Red
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makeColor(0, 0, 0) // Black
];
var clothBlocks = [
context.getBlock("white_wool"),
context.getBlock("orange_wool"),
context.getBlock("magenta_wool"),
context.getBlock("light_blue_wool"),
context.getBlock("yellow_wool"),
context.getBlock("lime_wool"),
context.getBlock("pink_wool"),
context.getBlock("gray_wool"),
context.getBlock("light_gray_wool"),
context.getBlock("cyan_wool"),
context.getBlock("purple_wool"),
context.getBlock("blue_wool"),
context.getBlock("brown_wool"),
context.getBlock("green_wool"),
context.getBlock("red_wool"),
context.getBlock("black_wool")
];
var clothColorsOpt = [
makeColor(178, 178, 178), // White
makeColor(187, 102, 44), // Orange
makeColor(152, 61, 161), // Magenta
makeColor(84, 111, 170), // Light blue
makeColor(156, 145, 23), // Yellow
makeColor(47, 151, 38), // Green
makeColor(174, 105, 124), // Pink
makeColor(53, 53, 53), // Gray
makeColor(127, 133, 133), // Light grey
makeColor(32, 94, 120), // Cyan
makeColor(103, 43, 156), // Purple
makeColor(31, 41, 123), // Blue
makeColor(68, 41, 22), // Brown
makeColor(44, 61, 19), // Cactus green
makeColor(131, 36, 32), // Red
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makeColor(21, 18, 18) // Black
];
var clothColorsOptHD = [
makeColor(168, 168, 168), // White
makeColor(143, 59, 0), // Orange
makeColor(152, 0, 67), // Magenta
makeColor(0, 153, 153), // Light blue
makeColor(150, 150, 0), // Yellow
makeColor(59, 143, 0), // Green
makeColor(167, 83, 125), // Pink
makeColor(64, 64, 64), // Gray
makeColor(101, 101, 101), // Light grey
makeColor(0, 83, 83), // Cyan
makeColor(43, 12, 75), // Purple
makeColor(0, 38, 77), // Blue
makeColor(52, 25, 0), // Brown
makeColor(10, 76, 10), // Cactus green
makeColor(127, 9, 9), // Red
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makeColor(17, 17, 17) // Black
];
// http://stackoverflow.com/questions/2103368/color-logic-algorithm/2103608#2103608
function colorDistance(c1, c2) {
var rmean = (c1.getRed() + c2.getRed()) / 2;
var r = c1.getRed() - c2.getRed();
var g = c1.getGreen() - c2.getGreen();
var b = c1.getBlue() - c2.getBlue();
var weightR = 2 + rmean/256;
var weightG = 4.0;
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var weightB = 2 + (255-rmean)/256;
return Math.sqrt(weightR*r*r + weightG*g*g + weightB*b*b);
}
function findClosestWoolColor(col, clothColors) {
var closestId = 0;
var closestDistance = colorDistance(col, clothColors[0]);
for (var i = 1; i < clothColors.length; i++) {
var dist = colorDistance(col, clothColors[i]);
if (dist < closestDistance) {
closestId = i;
closestDistance = dist;
}
}
return closestId;
}
context.checkArgs(1, 3, "<image> <orientation> <palette>");
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var f = context.getSafeOpenFile("drawings", argv[1], "png", ["png", "jpg", "jpeg", "bmp"]);
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var sess = context.remember();
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var upright = argv[2] == "v";
var colors = clothColors;
if (argv[3] == "opt") {
colors = clothColorsOpt;
player.print("Using optimized palette");
} else if (argv[3] == "optHD") {
colors = clothColorsOptHD;
player.print("Using optimized HD palette");
}
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if (!f.exists()) {
player.printError("Specified file doesn't exist.");
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} else {
var img = ImageIO.read(f);
var width = img.getWidth();
var height = img.getHeight();
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var origin = player.getBlockIn().toVector().toBlockPoint();
for (var x = 0; x < width; x++) {
for (var y = 0; y < height; y++) {
var c = new Color(img.getRGB(x, y));
var data = findClosestWoolColor(c,colors);
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// Added this to enable the user to create images upright
// rather than flat on the ground
if (!upright) {
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sess.setBlock(origin.add(x, 0, y), clothBlocks[data]);
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} else {
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sess.setBlock(origin.add(x, height - y, 0), clothBlocks[data]);
}
}
}
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}