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