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dots-draw.html
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dots-draw.html
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<!-- Saved from: http://pastebin.com/raw.php?i=Zd5rdWMx -->
<!-- To use: Save as .html file. Open with browser. -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtmlxml:lang="en" lang="en" dir="ltr">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>[s4s] doo-del 0.6</title>
<style type="text/css">
html, body {margin:0;padding:0;width:100%;height:100%;}
#box {border:10px solid black;width:0em;height:0em;font-size:100%;position:relative;-moz-user-select:-moz-none;-khtml-user-select:none;-webkit-user-select:none;cursor:default;}
.pixel {display:block;position:absolute;width:1em;height:1em;}
.even {background-color:#ffffff;}
.odd {background-color:#dddddd;}
.fill {background-color:#111111;}
.odd.fill {background-color:#000000;}
#out {width:40em;height:40em;font-size:100%;}
.spam {color:red;font-weight:bold;font-size:110%;}
.brush + label {color:#888888}
.brush:checked, .brush:checked + label {color:#0000ff}
</style>
<script type="text/javascript">
window.ondragstart = function() {return false;}
var mouseState = 0;
var brush = 0;
var textX = 36;
var textY = 18;
var boxX = textX * 2;
var boxY = textY * 4;
var scrW, scrH;
function makeBox() {
screenResize();
var box = document.getElementById('box');
while(box.firstChild) box.removeChild(box.firstChild)
box.style.width = boxX + 'em';
box.style.height = boxY + 'em';
for(var y=0;y<boxY;y++) {
for(var x=0;x<boxX;x++) {
var div = document.createElement('div');
div.id = 'pixel-' + x + '-' + y;
div.className = ((x + y) % 2 == 0) ? 'pixel even' : 'pixel odd';
div.style.left = x + 'em';
div.style.top = y + 'em';
box.appendChild(div);
}
}
brushy();
//document.getElementById('out').value = '';
document.getElementById('gridX').value = boxX;
document.getElementById('gridY').value = boxY;
}
function resize() {
var conf = confirm('Resize the box?\n\n>this kills the drawing');
if(!conf) return
var xb = document.getElementById('gridX');
var yb = document.getElementById('gridY');
var x = parseInt(xb.value,10);
var y = parseInt(yb.value,10);
if(x < 4 || x > 192) x = 72
if(y < 4 || y > 192) y = 72
textX = Math.floor(x/2); boxX = textX * 2;
textY = Math.floor(y/4); boxY = textY * 4;
makeBox();
}
function trash() {
var conf = confirm('Into the trash it goes?\n\n>this kills the drawing');
if(!conf) return
makeBox();
}
function fillMeMaybe(obj) {
var tx = parseInt(obj.id.split('-')[1],10);
var ty = parseInt(obj.id.split('-')[2],10);
var z = 0;
switch(brush) {
case 0:
fillPixel(obj,mouseState);
break;
case 1:
case 2:
for(var x=(tx-brush);x<(tx+1+brush);x++) {
for(var y=(ty-brush);y<(ty+1+brush);y++) {
if(z > 10) return;
var newt = document.getElementById('pixel-' + x + '-' + y);
if(newt) fillPixel(newt,mouseState)
}
}
break;
case 3:
for(var x=(tx-3);x<(tx+4);x++) {
for(var y=(ty-3);y<(ty+4);y++) {
if(z > 10) return;
var newt = document.getElementById('pixel-' + x + '-' + y);
if(newt && Math.abs(x-tx) + Math.abs(y-ty) < 5) fillPixel(newt,mouseState)
}
}
break;
case 4:
for(var x=(tx-2);x<(tx+3);x++) {
for(var y=(ty-2);y<(ty+3);y++) {
if(z > 10) return;
var newt = document.getElementById('pixel-' + x + '-' + y);
if(mouseState == 1) {
if(newt) fillPixel(newt,mouseState - ((x + y) % 2));
} else {
if(newt) fillPixel(newt,2);
}
}
}
break;
}
}
function fillPixel(obj,fill) {
obj = (typeof obj == 'object') ? obj : document.getElementById('pixel-' + obj);
if(fill == 1) {
obj.className += (obj.className.indexOf(' fill') == -1) ? ' fill' : '';
} else if(fill == 2) {
obj.className = obj.className.replace(/ fill/g,'');
}
}
function brushy() {
var brad = document.getElementsByName('brush');
for(var i=0;i<brad.length;i++) if(brad[i].checked) brush = parseInt(brad[i].value,10)
}
function output() {
var grid = [];
for(var y=0;y<boxY;y++) {
grid[y] = [];
for(var x=0;x<boxX;x++) {
grid[y][x] = (document.getElementById('pixel-' + x + '-' + y).className.indexOf(' fill') == -1) ? 0 : 1;
}
}
var txt = '';
for(var y=0;y<(textY);y++) {
var line = '';
for(var x=0;x<(textX);x++) {
var bit = [0,0,0,0,0,0,0,0];
if(grid[y*4+0][x*2+0] == 1) bit[0] = 1;
if(grid[y*4+1][x*2+0] == 1) bit[1] = 1;
if(grid[y*4+2][x*2+0] == 1) bit[2] = 1;
if(grid[y*4+0][x*2+1] == 1) bit[3] = 1;
if(grid[y*4+1][x*2+1] == 1) bit[4] = 1;
if(grid[y*4+2][x*2+1] == 1) bit[5] = 1;
if(grid[y*4+3][x*2+0] == 1) bit[6] = 1;
if(grid[y*4+3][x*2+1] == 1) bit[7] = 1;
var num = 10240 + (bit[0] + bit[1]*2 + bit[2]*4 + bit[3]*8 + bit[4]*16 + bit[5]*32 + bit[6]*64 + bit[7]*128);
line += String.fromCharCode(num);
}
if(document.getElementById('killtrail').checked) {
line = line.replace(/\u2800*$/,'');
}
txt += line + '\n';
}
document.getElementById('out').value = txt;
document.getElementById('bytes').innerHTML = 'Bytes: ' + (encodeURIComponent(txt).split(/%..|./).length - 1) + '/2000 [' + numchars(txt) + ']';
var spam = txt.split('\n').sort().join('\n').match(/(?:^|\n)([^\n]+)(?:\n\1){4,}/g);
if(spam != null) bytes.innerHTML = '<span class="spam" title="There are 4 or more identical lines.\nThis output may trigger a spam filter on 4chan.">SPAM</span> ' + bytes.innerHTML
}
function load(smart) {
var conf = confirm('Attempt to load a drawing from the\ncrap currently in the output box?');
if(!conf) return
var line = document.getElementById('out').value.replace(/[^\u2800-\u28FF\n]/g,'').replace(/\n+/g,'\n').split('\n');
var tX = 0;
for(var i=0;i<line.length;i++) if(line[i].length > tX) tX = line[i].length
var tY = line.length;
if(tX == 0 || tY == 0) return
if(line[tY-1] == '') tY--
if(smart) {
textX = (tX > 96) ? 96 : tX;
boxX = textX * 2;
textY = (tY > 48) ? 48 : tY;
boxY = textY * 4;
}
makeBox();
while(line.length < textY) line[line.length] = ''
for(var i=0;i<line.length;i++) while(line[i].length < textX) line[i] += '\u2800'
for(var y=0;y<(textY);y++) {
for(var x=0;x<(textX);x++) {
var num = line[y].charCodeAt(x)-10240;
var bin = num.toString(2);
while(bin.length < 8) bin = '0' + bin;
bin = bin.split('').reverse().join('');
fillPixel((x*2+0) + '-' + (y*4+0),bin[0]);
fillPixel((x*2+0) + '-' + (y*4+1),bin[1]);
fillPixel((x*2+0) + '-' + (y*4+2),bin[2]);
fillPixel((x*2+0) + '-' + (y*4+3),bin[6]);
fillPixel((x*2+1) + '-' + (y*4+0),bin[3]);
fillPixel((x*2+1) + '-' + (y*4+1),bin[4]);
fillPixel((x*2+1) + '-' + (y*4+2),bin[5]);
fillPixel((x*2+1) + '-' + (y*4+3),bin[7]);
}
}
}
function loadblock(smart) {
var conf = confirm('Attempt to load and convert a\nblock drawing made with \u2588\u2580\u2584\u2591?\n\nNote that \u2592\u258C\u2590 may turn out funky.');
if(!conf) return
var line = document.getElementById('out').value.replace(/[^\u2580\u2584\u2588\u258C\u2590\u2591\u2592\u2593\n]/g,'').replace(/\n+/g,'\n').split('\n');
var tX = 0;
for(var i=0;i<line.length;i++) if(line[i].length > tX) tX = line[i].length
var tY = line.length;
if(tX == 0 || tY == 0) return
if(line[tY-1] == '') tY--
tX = Math.ceil(tX/2);
tY = Math.ceil(tY/2);
if(smart) {
textX = (tX > 96) ? 96 : tX;
boxX = textX * 2;
textY = (tY > 48) ? 48 : tY;
boxY = textY * 4;
}
makeBox();
while(line.length < textY) line[line.length] = ''
for(var i=0;i<line.length;i++) while(line[i].length < textX) line[i] += '\u2591'
for(var y=0;y<(textY*2);y++) {
for(var x=0;x<(textX*2);x++) {
if(!line[y]) continue
var pix1 = ('\u2580\u2588\u258C\u2590\u2593'.indexOf(line[y][x]) != -1) ? 1 : 2;
var pix2 = ('\u2584\u2588\u258C\u2590\u2593'.indexOf(line[y][x]) != -1) ? 1 : 2;
fillPixel((x) + '-' + (y*2+0),pix1);
fillPixel((x) + '-' + (y*2+1),pix2);
}
}
}
function flip(type) {
var grid = [];
for(var y=0;y<boxY;y++) {
grid[y] = [];
for(var x=0;x<boxX;x++) {
grid[y][x] = (document.getElementById('pixel-' + x + '-' + y).className.indexOf(' fill') == -1) ? 0 : 1;
}
}
if(type == 2) {
var x = boxY;var y = boxX;
if(x < 4 || x > 192) x = 72
if(y < 4 || y > 192) y = 72
textX = Math.floor(x/2); boxX = textX * 2;
textY = Math.ceil(y/4); boxY = textY * 4;
makeBox();
}
for(var y=0;y<boxY;y++) {
for(var x=0;x<boxX;x++) {
var fill = 0;
switch(type) {
case 0: fill = grid[y][boxX - x - 1] || 2; //mirror h
break;
case 1: fill = grid[boxY - y - 1][x] || 2; //mirror v
break;
case 2: fill = grid[boxX - x - 1][y] || 2; //rotate 90
break;
case 3: fill = grid[y][x] + 1 || 1; //invert
break;
}
fillPixel(document.getElementById('pixel-' + x + '-' + y),fill);
}
}
output();
}
function numchars(txt) {
var count = 0;
for(var i=0;i<txt.length;i++) {
var num = txt.charCodeAt(i);
if(num >= 55296 && num <= 56319) i++
count++;
}
return count;
}
// Event handlers
function keyDown(e) {
if(!document.getElementById('hotkeys').checked) return
var e = window.event || e;
if(!e) return
var key = e.charCode || e.keyCode;
if(!key) return;
switch(key) {
case 17:
mouseState = 1;
return false;
case 16:
mouseState = 2;
return false;
case 49: case 50: case 51: case 52: case 53:
document.getElementById('brush-' + (key-49)).checked = 'checked';
brushy();
return false;
break;
}
}
function keyUp(e) {
mouseState = 0;
}
function mouseyMove(e) {
if(mouseState == 0) return
var e = window.event || e;
if(!e) return
var target = e.target || e.srcElement;
if(!target) return
if(target.id.indexOf('pixel-') != 0) return
fillMeMaybe(target);
}
function mouseyDown(e) {
var e = window.event || e;
if(!e) return
var target = e.target || e.srcElement;
if(!target) return
if(target.id.indexOf('pixel-') != 0) return
mouseState = (target.className.indexOf(' fill') == -1) ? 1 : 2;
fillMeMaybe(target);
}
function mouseyUp(e) {
mouseState = 0;
var e = window.event || e;
if(!e) return
var target = e.target || e.srcElement;
if(!target) return
if(target.id.indexOf('pixel-') != 0) return
output();
}
function screenResize() {
var docElement = (document.compatMode=='CSS1Compat') ? document.documentElement : document.body;
scrW = docElement.clientWidth;
scrH = docElement.clientHeight;
var box = document.getElementById('box');
if(scrW/boxX < scrH/boxY) {
var size = Math.floor(scrW / (boxX/5));
} else {
var size = Math.floor(scrH / (boxY/5));
}
box.style.fontSize = size + '%';
}
</script>
</head>
<body onmouseup="mouseyUp(event)" onkeydown="keyDown(event)" onkeyup="keyUp(event)" onresize="screenResize()">
<div id="box" onmouseover="mouseyMove(event)" onmousedown="mouseyDown(event)"></div>
<div id="tools">
<input type="button" onclick="output()" value="make"/>
<input type="button" onclick="trash()" value="clear"/>
<input type="button" onclick="load()" value="load" title="Load picture from textbox."/>
<input type="button" onclick="load(true)" value="load ⤡" title="Load picture from textbox. Autoresize to fit image."/>
<input type="button" onclick="loadblock()" value="load █" title="Load blocky picture."/>
<input type="button" onclick="loadblock(true)" value="load █ ⤡" title="Load blocky picture. Autoresize to fit image."/>
│
<span title="Select brush.">
<input class="brush" type="radio" name="brush" id="brush-0" value="0" onclick="brushy()" checked="checked"/><label for="brush-0">▪/▫</label>
<input class="brush" type="radio" name="brush" id="brush-1" value="1" onclick="brushy()"/><label for="brush-1">■/□</label>
<input class="brush" type="radio" name="brush" id="brush-2" value="2" onclick="brushy()"/><label for="brush-2">⬛/⬜</label>
<input class="brush" type="radio" name="brush" id="brush-3" value="3" onclick="brushy()"/><label for="brush-3">⬤/⭕</label>
<input class="brush" type="radio" name="brush" id="brush-4" value="4" onclick="brushy()"/><label for="brush-4">▒/⬜</label>
<!-- •/⚬ ⚫/⚪ ⬤/⭕ -->
</span>
│
Transform:
<input type="button" value="↔" onclick="flip(0)" title="flip horizontal"/>
<input type="button" value="↕" onclick="flip(1)" title="flip verical"/>
<input type="button" value="⟳" onclick="flip(2)" title="rotate (preserve drawing)"/>
<input type="button" value="◘" onclick="flip(3)" title="invert color"/>
│
Grid:
<span title="Values are rounded to nearest x/2 and y/4. 72x72 is optimal for filling a 4chan comment.">
<input type="text" maxlength="3" id="gridX" value="72" style="width:3em;"/>×<input type="text" maxlength="3" id="gridY" value="72" style="width:3em;"/>
<input type="button" onclick="resize()" value="resize"/>
</span>
│
<span title="Removes trailing spaces to save characters.\nMay make a mess of a drawing with vertical whitespace.">
<input type="checkbox" id="killtrail" checked="checked" onclick="output()"/><label for="killtrail">Remove trails</label>
</span>
<span title="Hotkeys for drawing. Ctrl = always draw; Shift: always delete; 0-5: select brush.">
<input type="checkbox" id="hotkeys"/><label for="hotkeys">Hotkeys</label>
</span>
│
<span id="bytes" title="Approximately how many characters this will take up in a 4chan comment.">Bytes: </span>
</div>
<textarea id="out"></textarea>
<script type="text/javascript">makeBox();</script></body></html>
<!-- a1b37a531ca2bba3339d454430563750
0.1 http://pastebin.com/raw.php?i=CvPfi0r5
0.3b http://pastebin.com/raw.php?i=ckJkPVEK
0.4b http://pastebin.com/raw.php?i=d0LJzYdt
0.5e http://pastebin.com/raw.php?i=R3CGF5WG
0.6 http://pastebin.com/raw.php?i=Zd5rdWMx
Keys:
* Mouse click: Starts drawing. If over white pixel, draws black. If over black pixel, draws white.
* Ctrl: Hold down for always black (no mouse button needed).
* Shift: Hold down for always white (no mouse button needed).
* 1-5: Select this brush.
Done:
* Auto-render after mouse up
* Let user load a block of braille as an image
* Let user specify custom dimensions
* Auto-resize grid based on browser window size
* Auto-cull trailing spaces and blank lines
* Byte count
* Spam filter warning
* More brushes
* Hilight brush in use
* Bigger dimensions allowed
* Flip/invert
* Smart Load will resize, Load will not
* Convert blocks to dots
Todo:
No restriction. WTFPL.
-->