115 lines
3.3 KiB
JavaScript
115 lines
3.3 KiB
JavaScript
const canvas = document.getElementById("canvas");
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const data = document.getElementById("data");
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const generateButton = document.getElementById("generateButton");
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const hexdisplay = document.getElementById("hexdisplay");
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const size_width = document.getElementById("size_width");
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const size_height = document.getElementById("size_height");
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const flag_type = document.getElementById("flag_type");
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const root = document.querySelector(":root");
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const ctx = canvas.getContext("2d");
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function getData() {
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data.value = data.value.toUpperCase().replace(/[^0-9A-F]*/g, "");
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var hexValue = data.value.match(/.{1,2}/g).map((x) => x.padStart(2, "0"));
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hexdisplay.innerHTML = hexValue.join(" ");
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createFlag(
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hexValue.join("").match(/.{1,6}/g),
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size_width.value,
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size_height.value,
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flag_type.value
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);
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// var ac = averageColors(hexValue);
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// console.log(ac);
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// root.style.setProperty(
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// "--background-color",
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// arrayToColor(darkenColor(ac, 70))
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// );
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// root.style.setProperty("--color", arrayToColor(lightenColor(ac, 70)));
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// root.style.setProperty("--accent-color", arrayToColor(ac));
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// root.style.setProperty(
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// "--accent-color-fg",
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// arrayToColor(lightenColor(ac, 90))
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// );
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}
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generateButton.addEventListener("click", getData);
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function averageColors(hex) {
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var averageSet = [[], [], []];
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hex.forEach((number, index) => {
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averageSet[index % 3].push(parseInt(number, 16));
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});
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return averageSet.map((array) =>
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Math.floor(array.reduce((a, b) => a + b) / array.length)
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);
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}
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function createFlag(hex, w, h, type) {
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canvas.width = w;
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canvas.height = h;
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// Initialize stuff
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var width = ctx.canvas.width;
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var height = ctx.canvas.height;
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var textHeight = 24;
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ctx.font = `${textHeight}px "Lexend Deca"`;
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ctx.clearRect(0, 0, width, height);
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console.log(hex);
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var hexColors = [];
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var excessHex = "";
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hex.forEach((compound) => {
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if (compound.length < 6) excessHex = compound;
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else hexColors.push(compound);
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});
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var rectWidth = width / hexColors.length;
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var rectHeight = height / hexColors.length;
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for (color in hexColors) {
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ctx.fillStyle = "#" + hexColors[color];
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if (type === "horiz") ctx.fillRect(rectWidth * color, 0, rectWidth, height);
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else if (type === "vert")
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ctx.fillRect(0, rectHeight * color, width, rectHeight);
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}
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if (excessHex.length > 0) {
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var text = "+ " + excessHex.match(/.{1,2}/g).join(" ");
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var textWidth = ctx.measureText(text).width;
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ctx.strokeStyle = "black";
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ctx.lineWidth = 4;
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ctx.fillStyle = "white";
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ctx.strokeText(text, width - (textWidth + 8), height - textHeight / 2);
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ctx.fillText(text, width - (textWidth + 8), height - textHeight / 2);
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}
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}
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const clamp = (n, mi, ma) => Math.max(mi, Math.min(n, ma));
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function lightenColor(color, mult) {
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return [
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clamp(color[0] + (mult / 100) * (255 - color[0]), 0, 255),
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clamp(color[1] + (mult / 100) * (255 - color[1]), 0, 255),
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clamp(color[2] + (mult / 100) * (255 - color[2]), 0, 255),
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];
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}
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function darkenColor(color, mult) {
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return [
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clamp(color[0] - (mult / 100) * color[0], 0, 255),
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clamp(color[1] - (mult / 100) * color[1], 0, 255),
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clamp(color[2] - (mult / 100) * color[2], 0, 255),
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];
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}
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function arrayToColor(color) {
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return (
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"#" + color.map((x) => Math.floor(x).toString(16).padStart(2, "0")).join("")
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);
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}
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