ircart/asciimaker
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Dionysus 2023-06-02 14:42:45 -04:00
commit 5764531351
Signed by: acidvegas
GPG Key ID: EF4B922DB85DC9DE
3 changed files with 555 additions and 0 deletions
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<html>
<head>
<title>ASCII Maker</title>
<style>
.cell{width:8px;height:16px;cursor:default;font-size:10pt;font-weight:700;font-family:Courier New}
.noDrag{-moz-user-select:none}
#canvas,#picker{margin:auto}
#drafts{position:absolute;top:5px;left:5px;font-family:Verdana;font-size:8pt}
#textBuffer{position:absolute;width:1px;height:1px}
</style>
<script type="text/javascript">
var halt = unescape('%0F');
var code = unescape('%03');
var brushColour = 4;
var mode = 0, isDragging = 0, canvasWidth = 0, canvasHeight = 0, selected = 0, curKey = 0, tool = 0;
var palette = new Array('FFFFFF', '000000', '00007F', '009300', 'FF0000', '7F0000', '9C009C', 'FC7F00', 'FFFF00', '00FC00', '009393', '00FFFF', '0000FC', 'FF00FF', '7F7F7F', 'D2D2D2');
var drafts = new Array();
var undo = new Array();
function generateCanvas(width, height) {
canvasWidth = width;
canvasHeight = height;
document.getElementById('canvas').innerHTML = '';
var tableGrid = document.createElement("table");
tableGrid.setAttribute('cellpadding', '0');
tableGrid.setAttribute('cellspacing', '0');
tableGrid.setAttribute('onmousedown', 'toggleDragging(1);');
tableGrid.setAttribute('onmouseup', 'toggleDragging(0);');
tableGrid.setAttribute('background', 'data/checkered.png');
for (var y = 0; y < height; y++) {
var currentLine = document.createElement("tr");
for (var x = 0; x < width; x++) {
var currentCell = document.createElement("td");
currentCell.setAttribute('class', 'cell');
currentCell.innerHTML = ' ';
currentCell.setAttribute('onmousemove', 'fillCell(' + (width * y + x) + ');');
currentCell.setAttribute('onmousedown', 'isDragging=1;fillCell(' + (width * y + x) + ');');
currentLine.appendChild(currentCell);
}
tableGrid.appendChild(currentLine);
}
document.getElementById('canvas').style.width = x * 8 + 'px';
document.getElementById('canvas').appendChild(tableGrid);
}
function generatePalette() {
var paletteGrid = document.createElement("table");
paletteGrid.setAttribute('cellspacing', '2');
var paletteLine = document.createElement("tr");
for (i = 0; i < 16; i++) {
var currentPalette = document.createElement('td');
currentPalette.setAttribute('style', 'width: 20px; height: 20px; background-color: #' + palette[i] + ';');
currentPalette.setAttribute('onclick', 'setColour(' + i + ');');
paletteLine.appendChild(currentPalette);
}
paletteGrid.appendChild(paletteLine);
document.getElementById('picker').style.width = '360px';
document.getElementById('picker').appendChild(paletteGrid);
}
function setColour(i) {
brushColour = i;
}
function fillCell(index) {
if (tool == 0) {
if (isDragging == 1 && mode == 0) {
if (curKey != 17 && curKey != 18) setBackgroundColour(index);
else remBackgroundColour(index);
} else if (isDragging == 1 && mode == 1) {
if (curKey == 17 || curKey == 18) {
setLetter(index, '');
remColour(index);
}
document.getElementById('textBuffer').focus();
remCursor(selected);
selected = index;
setCursor(selected);
if (document.getElementsByTagName('td')[selected].innerHTML != ' ' && document.getElementsByTagName('td')[selected].innerHTML != '') document.getElementsByTagName('td')[selected].style.color = palette[brushColour];
}
} else {
fillArea(index);
}
}
function fillArea(index) {
var newSeeds = new Array();
var x = index % canvasWidth;
var y = (index - x) / canvasWidth;
var c = getCellColour(x, y);
var x1 = getLineColourLimits(x, y, 'left');
var x2 = getLineColourLimits(x, y, 'right');
if (isDragging == 1) {
for (var m = 0; m < 2; m++) {
y = (index - x) / canvasWidth + m;
while (y >= 0 && y <= canvasHeight) {
if (getCellColour(x, y) != c) break;
var x1 = getLineColourLimits(x, y, 'left');
var x2 = getLineColourLimits(x, y, 'right');
for (var i = x1; i <= x2; i++)
if (curKey != 17 && curKey != 18) setBackgroundColour((canvasWidth * y) + i);
else remBackgroundColour((canvasWidth * y) + i);
if (m == 0) y--;
else y++;
}
}
}
}
function getLineColourLimits(x, y, end) {
var boundary = x;
var currentColour;
var targetColour = getCellColour(x, y);
var i = x;
while (i >= 0 && i < canvasWidth) {
currentColour = getCellColour(i, y);
if (currentColour == targetColour) boundary = i;
else break;
if (end == 'left') i--;
else i++;
}
return boundary;
}
function toggleMode(newMode) {
if (newMode != undefined) mode = newMode;
if (mode == 1) {
remCursor(selected);
document.getElementById('typeButton').innerHTML = 'Type';
} else {
toggleTool(1);
setCursor(selected);
document.getElementById('textBuffer').focus();
document.getElementById('typeButton').innerHTML = 'Draw';
}
mode = (mode - 1) * -1
}
function toggleTool(newTool) {
toggleMode(1);
if (newTool != undefined) tool = newTool;
if (tool == 1) document.getElementById('toolButton').innerHTML = 'Fill';
else document.getElementById('toolButton').innerHTML = 'Brush';
tool = (tool - 1) * -1
}
function toggleDragging(bool) {
isDragging = bool;
}
function padColour(colourCode, letter) {
if (colourCode < 10 && isNaN(parseFloat(letter)) == false) {
return '0' + colourCode;
}
return colourCode;
}
function renderArt() {
var line, output = ''
var lastColour, lastFontColour, currentColour, currentFontColour, breakout;
for (var y = 0; y < canvasHeight; y++) {
line = '';
for (var x = 0; x < canvasWidth; x++) {
lastColour = getCellColour(x, y);
lastFontColour = getFontColour(x, y);
if (lastFontColour >= 0 && lastColour >= 0) {
line += code + lastFontColour + ',' + padColour(lastColour, getCellLetter(x, y));
} else if (lastFontColour >= 0 && lastColour < 0) {
if (x != 0) line += halt;
line += code + padColour(lastFontColour, getCellLetter(x, y));
} else if (lastFontColour < 0 && lastColour >= 0) {
line += code + lastColour + ',' + padColour(lastColour, getCellLetter(x, y));
} else {
line += getCellLetter(x, y);
}
if (lastFontColour >= 0 || lastColour >= 0) {
breakout = 0;
for (var z = x; z < canvasWidth; z++) {
currentColour = getCellColour(z, y);
currentFontColour = getFontColour(z, y);
if (currentFontColour == lastFontColour && currentColour == lastColour) {
line += getCellLetter(z, y);
} else {
x = z - 1;
breakout = 1;
break;
}
}
line += code;
if (breakout == 0) x = canvasWidth;
}
}
output += endtrim(line, ' ') + " \n";
}
var remove = new RegExp(code + code, 'gi');
output = output.replace(remove, code);
output = output.replace(/&lt;/g, '<');
output = output.replace(/&gt;/g, '>');
document.getElementById('load').value = endtrim(output);
}
function previewArt() {
renderArt();
document.getElementById('preview').innerHTML = '';
var tempForm = document.createElement('form');
tempForm.setAttribute('method', 'POST');
tempForm.setAttribute('action', '/preview/preview.php');
tempForm.setAttribute('target', '_blank');
var tempField = document.createElement('input');
tempField.setAttribute('name', 'ascii');
tempField.setAttribute('type', 'hidden');
tempField.value = escape(document.getElementById('load').value);
var rawField = document.createElement('input');
rawField.setAttribute('name', 'raw');
rawField.setAttribute('type', 'hidden');
rawField.value = 1;
tempForm.appendChild(tempField);
tempForm.appendChild(rawField);
document.getElementById('preview').appendChild(tempForm);
document.forms[0].submit();
}
function resizeArt() {
var x = parseFloat(prompt('wqat width? (in characters)', canvasWidth));
var y = parseFloat(prompt('wqat height? (in characters)', canvasHeight));
renderArt();
generateCanvas(x, y);
drawImage();
}
function loadArt() {
var dimensions = getAsciiWidth();
generateCanvas(dimensions[0], dimensions[1]);
drawImage();
}
function drawImage() {
var g_width = 0;
var lines = endtrim(document.getElementById('load').value, "\n");
lines = lines.split("\n");
for (var y in lines) {
var index = y * canvasWidth;
var last_foreground = 16;
var last_background = 16;
var blocks = lines[y].split(code);
for (var b in blocks) {
if (blocks[b].length > 0) {
var colours = getColoursFromLine(blocks[b], blocks.length, last_foreground, last_background);
last_background = colours[1];
for (var i = 0; i < colours[3].length; i++) {
if (colours[3].charCodeAt(i) == 15) {
last_background = 16;
} else if (colours[3].charCodeAt(i) > 31 && colours[3].charCodeAt(i) < 127) {
document.getElementsByTagName('td')[index].style.color = palette[parseFloat(colours[0])];
if (colours[1] < 16) document.getElementsByTagName('td')[index].style.backgroundColor = palette[parseFloat(colours[1])];
document.getElementsByTagName('td')[index].innerHTML = colours[3].charAt(i);
index++;
}
}
}
}
}
}
function endtrim(str, chars) {
chars = chars || "\\s";
return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}
function getColoursFromLine(line, block_count, last_foreground, last_background) {
var colours = new Array();
if (block_count > 1) {
var chunks = line.split(',', 2);
for (var c in chunks) {
var current = '';
for (var i = 0; i < 2; i++) {
if (isNaN(parseFloat(chunks[c].charAt(i))) == false) current += chunks[c].charAt(i);
}
if (isNaN(parseFloat(current)) == false) colours[colours.length] = current;
}
}
colours[3] = line.substr(colours.join(',').length);
if (typeof(colours[0]) != 'undefined' && typeof(colours[1]) == 'undefined') colours[1] = last_background;
if (typeof(colours[0]) == 'undefined') colours[0] = last_foreground;
return colours;
}
function getAsciiWidth() {
var g_width = 0;
var lines = endtrim(document.getElementById('load').value, "\n");
lines = lines.split("\n");
for (var y in lines) {
var l_width = 0;
var blocks = lines[y].split(code);
for (var b in blocks) {
if (blocks[b].length > 0) {
var colours = getColoursFromLine(blocks[b], blocks.length);
for (var i = 0; i < colours[3].length; i++) {
if (colours[3].charCodeAt(i) > 31 && colours[3].charCodeAt(i) < 127) l_width++;
}
}
}
if (l_width > g_width) g_width = l_width;
}
return new Array(g_width, lines.length);
}
function getCellColour(x, y) {
var colour = document.getElementsByTagName('td')[(canvasWidth * y + x)].style.backgroundColor;
return ircFromHex(rgbConvert(colour));
}
function getFontColour(x, y) {
var colour = document.getElementsByTagName('td')[(canvasWidth * y + x)].style.color;
return ircFromHex(rgbConvert(colour));
}
function getCellLetter(x, y) {
var letter = document.getElementsByTagName('td')[(canvasWidth * y + x)].innerHTML;
if (letter == '') letter = ' ';
return letter;
}
function rgbConvert(str) {
if (navigator.userAgent.match('Opera') == null) {
str = str.replace(/rgb\(|\)/g, "").split(",");
str[0] = parseInt(str[0], 10).toString(16).toUpperCase();
str[1] = parseInt(str[1], 10).toString(16).toUpperCase();
str[2] = parseInt(str[2], 10).toString(16).toUpperCase();
str[0] = (str[0].length == 1) ? '0' + str[0] : str[0];
str[1] = (str[1].length == 1) ? '0' + str[1] : str[1];
str[2] = (str[2].length == 1) ? '0' + str[2] : str[2];
return str.join("");
} else {
return str.replace(/#/g, '').toUpperCase();
}
}
function ircFromHex(hex) {
for (var i = 0; i < 16; i++) {
if (palette[i] == hex) return i;
}
return -1;
}
document.onmousemove = function moveBuffer(e) {
var y = e.clientY + document.body.scrollTop + 5;
if (y < (window.innerHeight + window.scrollMaxY - 30)) {
document.getElementById('textBuffer').style.left = '0px';
document.getElementById('textBuffer').style.top = y + 'px';
}
}
document.onkeydown = function setKey(e) {
var code;
if (window.event) code = window.event.keyCode;
else if (e) code = e.which;
curKey = code;
if (mode == 0) {
if (code == 38) // up
shiftArt('up');
else if (code == 40) // down
shiftArt('down');
else if (code == 37) // left
shiftArt('left');
else if (code == 39) // right
shiftArt('right');
}
if (curKey == 27) loadLastUndo();
}
document.onkeyup = function handleKey(e) {
var code;
if (window.event) code = window.event.keyCode;
else if (e) code = e.which;
curKey = 0;
if (mode == 1) {
if (code == 8) {
remCursor(selected);
selected--;
setCursor(selected);
setLetter(selected, '');
remColour(selected);
} else if (code == 38 && (selected - canvasWidth) >= 0) // up
moveCursor(selected - canvasWidth);
else if (code == 40 && (selected + canvasWidth) < canvasWidth * canvasHeight) // down
moveCursor(selected + canvasWidth);
else if (code == 37 && (selected - 1) >= 0) // left
moveCursor(selected - 1);
else if (code == 39 && (selected + 1) < canvasWidth * canvasHeight) // right
moveCursor(selected + 1);
else {
var data = document.getElementById('textBuffer').value;
for (var i = 0; i < data.length; i++) {
remCursor(selected);
setCursor(selected + 1);
setLetter(selected, data.charAt(i));
selected++;
}
document.getElementById('textBuffer').value = '';
}
}
}
function setCursor(index) {
document.getElementsByTagName('td')[index].style.backgroundImage = 'url(cursor.png)';
}
function remCursor(index) {
document.getElementsByTagName('td')[index].style.backgroundImage = '';
}
function moveCursor(index) {
remCursor(selected);
selected = index;
setCursor(selected);
}
function setLetter(index, data) {
document.getElementsByTagName('td')[index].style.color = palette[brushColour];
document.getElementsByTagName('td')[index].innerHTML = data;
}
function remColour(index) {
document.getElementsByTagName('td')[index].style.color = '';
}
function setBackgroundColour(index) {
if (rgbConvert(document.getElementsByTagName('td')[index].style.backgroundColor) != palette[brushColour]) {
saveStateUndo(index);
document.getElementsByTagName('td')[index].style.backgroundColor = palette[brushColour];
}
}
function remBackgroundColour(index) {
if (document.getElementsByTagName('td')[index].style.backgroundColor != '') {
saveStateUndo(index);
document.getElementsByTagName('td')[index].style.backgroundColor = '';
}
}
function saveStateUndo(index) {
if (undo.length > 50000) undo.splice(0, 1);
var i = undo.length;
undo[i] = new Array();
undo[i][0] = index;
undo[i][1] = document.getElementsByTagName('td')[index].style.color;
undo[i][2] = document.getElementsByTagName('td')[index].style.backgroundColor;
undo[i][3] = document.getElementsByTagName('td')[index].innerHTML;
document.getElementById('undoButton').disabled = 0;
}
function loadLastUndo() {
if (undo.length > 0) {
var currentUndo = undo[undo.length - 1];
document.getElementsByTagName('td')[currentUndo[0]].style.color = currentUndo[1];
document.getElementsByTagName('td')[currentUndo[0]].style.backgroundColor = currentUndo[2];
document.getElementsByTagName('td')[currentUndo[0]].innerHTML = currentUndo[3];
undo.splice(undo.length - 1, 1);
if (undo.length <= 0) document.getElementById('undoButton').disabled = 1;
} else {
document.getElementById('undoButton').disabled = 1;
}
}
function addDraft() {
var d = new Date();
var i = drafts.length;
renderArt();
drafts[i] = new Array();
drafts[i][0] = document.getElementById('load').value;
drafts[i][1] = d.toUTCString();
drawDrafts();
}
function drawDrafts() {
document.getElementById('drafts').innerHTML = '';
for (var i in drafts) document.getElementById('drafts').innerHTML += '#' + i + ' <a style=\'cursor: pointer;\' onclick=\'loadDraft(' + i + ');\'>' + drafts[i][1] + "</a><br />\n";
}
function loadDraft(index) {
document.getElementById('load').value = drafts[index][0];
loadArt();
}
function copyArt() {
copy(document.getElementById('load'));
}
function shiftArt(direction) {
var newLoc;
if (direction == 'down' || direction == 'right') var i = (canvasWidth * canvasHeight) - 1;
else var i = 0;
while (i >= 0 && i < (canvasWidth * canvasHeight)) {
if (direction == 'up' || direction == 'down') newLoc = i - canvasWidth;
else if (direction == 'left' || (direction == 'right')) newLoc = i - 1;
var newCell = document.getElementsByTagName('td')[newLoc];
var oldCell = document.getElementsByTagName('td')[i];
if (newLoc >= 0 && newLoc < (canvasWidth * canvasHeight)) {
if (direction == 'up' || direction == 'left') {
newCell.style.color = oldCell.style.color;
newCell.style.backgroundColor = oldCell.style.backgroundColor;
newCell.innerHTML = oldCell.innerHTML;
} else if (direction == 'down' || direction == 'right') {
oldCell.style.color = newCell.style.color;
oldCell.style.backgroundColor = newCell.style.backgroundColor;
oldCell.innerHTML = newCell.innerHTML;
}
}
if (direction == 'up' || direction == 'left') i++;
else if (direction == 'down' || direction == 'right') i--;
}
}
function copy(inElement) {
if (inElement.createTextRange) {
var range = inElement.createTextRange();
if (range && BodyLoaded == 1) range.execCommand('Copy');
} else {
var flashcopier = 'flashcopier';
if (!document.getElementById(flashcopier)) {
var divholder = document.createElement('div');
divholder.id = flashcopier;
document.body.appendChild(divholder);
}
document.getElementById(flashcopier).innerHTML = '';
var divinfo = '<embed src="data/clipboard.swf" FlashVars="clipboard=' + escape(inElement.value) + '" width="0" height="0" type="application/x-shockwave-flash"></embed>';
document.getElementById(flashcopier).innerHTML = divinfo;
}
}
</script>
</head>
<body onload='generateCanvas(80,24); generatePalette();' onkeydown='if(mode == 1) document.getElementById("textBuffer").focus();'>
<center>
<b>ASCII Maker</b>
<br><small><i>(<a href="https://github.com/ircart/asciimaker">source</a>)</i></small>
<br><br>
</center>
<div class='noDrag' id='canvas'></div>
<div class='noDrag' id='picker'></div>
<div id='preview'></div>
<div class='drafts' id='drafts'></div>
<p align='center'>
<button onclick='addDraft();'>Save</button>
<button onclick='loadArt();'>Load</button>
<button onclick='generateCanvas(canvasWidth, canvasHeight);'>Clear</button>
<button onclick='renderArt();'>Render</button>
<button onclick='copyArt();'>Copy</button>
<button onclick='toggleMode();' id='typeButton'>Type</button>
<button onclick='toggleTool();' id='toolButton'>Fill</button>
<button onclick='resizeArt();'>Resize</button>
<button onclick='loadLastUndo();' id='undoButton' DISABLED>Undo</button>
<br>
<textarea id='load' cols='30' rows='3' readonly></textarea><br />
<input type='text' id='textBuffer' onkeydown='if(mode != 1) return false;' style='opacity: 0;'><br />
</p>
</body>
</html>