pixel-editor/poc_pages/pixelate_font.html

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<img src="/images/test_8x8.png" id="test_image" style="display:none;">
<script src="/js/canvas_util.js"></script>
<script src="/js/color_utils.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.40.2/codemirror.min.js"></script>
<link href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.40.2/codemirror.css" rel="stylesheet" />
<div id="target" style="position:fixed;top:0;left:0;right:50%;bottom:0;">
<textarea id="editorTextArea">
const word = Math.random() > 0.5 ? "Hello" : "Goodbye cruel";
alert(`${word} world`);
</textarea>
</div>
<div id="preview_div" style="position:fixed;top:0;left:50%;right:0;bottom:90%;">
</div>
<div id="debug_div" style="position:fixed;top:10%;left:50%;right:0;bottom:0;overflow:scroll;">
</div>
</head>
<body>
</body>
</html>
<script>
const charW = 8;
const charH = 8;
const charArr = generateCharsFromFont("monospace", charW, charH, 8, 8, preview_div, debug_div);
////console.log('charArr === ',charArr);
const editorTextArea = document.getElementById('editorTextArea');
const cm = new CodeMirror.fromTextArea(editorTextArea, {
lineNumbers: true
});
cm.setSize("100%", "100%");
CodeMirror.on(cm, "cursorActivity", function() {
const isSomethingSelected = cm.somethingSelected();
////console.log(isSomethingSelected);
const cursor = cm.getCursor();
////console.log(cursor);
if (isSomethingSelected) {
const text = cm.getSelection();
const cursor = cm.getCursor();
const selectionData = {text,cursor};
////console.log("selectionData:",selectionData);
}
});
let count = 0;
cm.setValue(`\
const CHAR = [
${charArr.map((n,i)=>` \`${linebreakify(n,charW)}\`, //${String.fromCharCode(33+i)} `).join("\n")}
];
`);
// setInterval(function(){
// count++;
// cm.replaceRange(count%2 ? "Hi" : "Hello",{line:0,ch:36},{line:0,ch:(count%2 ? 41 : 38)})
// },1000);
function linebreakify(str,cols = 4) {
const arr = str.split("");
const arr2 = [];
for(let i = 0; i < arr.length;i++){
if((i%cols)===0)arr2.push("");
arr2[arr2.length-1] += arr[i];
}
return "\\\n"+arr2.join("\n");
}
</script>