@zaxerion/k-canvas
Version:
cuma update url dari base knights canvas
245 lines (210 loc) • 7.86 kB
JavaScript
const Canvas = require("canvas");
const { fillTextWithTwemoji } = require("node-canvas-with-twemoji-and-discord-emoji");
const moment = require("moment");
require("moment-duration-format");
class CanvasUtil {
constructor() {
throw new Error(`Class ${this.constructor.name} may not be instantiated!`);
}
static getLines({ text, ctx, maxWidth }) {
if (!text) return [];
if (!ctx) throw new Error("Canvas context was not provided!");
if (!maxWidth) throw new Error("No max-width provided!");
const lines = [];
while (text.length) {
let i;
for (i = text.length; ctx.measureText(text.substr(0, i)).width > maxWidth; i -= 1);
const result = text.substr(0, i);
let j;
if (i !== text.length) for (j = 0; result.indexOf(" ", j) !== -1; j = result.indexOf(" ", j) + 1);
lines.push(result.substr(0, j || result.length));
text = text.substr(lines[lines.length - 1].length, text.length);
}
return lines;
}
static twitterTimeFormat(date = new Date()) {
if (typeof date === "number") date = new Date(date);
if (!date instanceof Date) date = new Date();
const months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
const day = date.getDate();
let month = date.getMonth();
const year = date.getFullYear();
month = months[month];
let hours = date.getHours();
let minutes = date.getMinutes();
const ampm = hours >= 12 ? "PM" : "AM";
hours %= 12;
hours = hours || 12;
minutes = minutes < 10 ? `0${minutes}` : minutes;
return `${hours}:${minutes} ${ampm} - ${day} ${month} ${year}`;
}
static grain(image) {
const pixels = image.data;
for (let idx = 0; idx < pixels.length; idx++) {
if (Math.random() > 0.98) {
pixels[idx] = Math.max(128, Math.floor(Math.random() * 255));
pixels[idx + 1] = Math.max(128, Math.floor(Math.random() * 255));
}
if (Math.random() > 0.98) {
const v = Math.random() * 60;
pixels[idx] = Math.max(pixels[idx] - v, 0);
}
}
return image;
}
static brightnessContrastPhotoshop(image, brightness, contrast) {
const pixels = image.data;
const data = Canvas.createImageData(image.width, image.height);
const dataPixels = data.data;
brightness = (brightness + 100) / 100;
contrast = (contrast + 100) / 100;
this.mapRGB(pixels, dataPixels, (value) => {
value *= brightness;
value = (value - 127.5) * contrast + 127.5;
return (value + 0.5) | 0;
});
return data;
}
static buildMap(f) {
const m = [];
for (let k = 0, v; k < 256; k += 1) {
m[k] = (v = f(k)) > 255 ? 255 : v < 0 ? 0 : v | 0;
}
return m;
}
static applyMap(src, dst, map) {
for (let i = 0, l = src.length; i < l; i += 4) {
dst[i] = map[src[i]];
dst[i + 1] = map[src[i + 1]];
dst[i + 2] = map[src[i + 2]];
dst[i + 3] = src[i + 3];
}
}
static mapRGB(src, dst, func) {
this.applyMap(src, dst, this.buildMap(func));
}
static toAbbrev(num) {
if (!num) return "NaN";
if (typeof num === "string") num = parseInt(num);
let decPlaces = Math.pow(10, 1);
var abbrev = ["K", "M", "B", "T"];
for (var i = abbrev.length - 1; i >= 0; i--) {
var size = Math.pow(10, (i + 1) * 3);
if (size <= num) {
num = Math.round((num * decPlaces) / size) / decPlaces;
if (num == 1000 && i < abbrev.length - 1) {
num = 1;
i++;
}
num += abbrev[i];
break;
}
}
return num;
}
static async toEmojiMessage(ctx, text, x, y) {
return fillTextWithTwemoji(ctx, text, x, y);
}
static toDiscordTime() {
let date = new Date();
let hours = date.getHours() < 10 ? `0${date.getHours()}` : date.getHours();
let minutes = date.getMinutes() < 10 ? `0${date.getMinutes()}` : date.getMinutes();
return `Today at ${hours}:${minutes}`;
}
static formatTime(time) {
if (!time) return "00:00";
const fmt = moment.duration(time).format("dd:hh:mm:ss");
const chunk = fmt.split(":");
if (chunk.length < 2) chunk.unshift("00");
return chunk.join(":");
}
static shorten(text, len) {
if (typeof text !== "string") return "";
if (text.length <= len) return text;
return text.substr(0, len).trim() + "...";
}
static fromNow(date) {
if (!date) {
return false;
}
const ms = new Date().getTime() - date.getTime();
if (ms >= 86400000) {
const days = Math.floor(ms / 86400000);
return `${days} day${days !== 1 ? 's' : ''} ago`;
}
return `${humanizeDuration(ms, 1, false, false)} ago`;
}
static MarryTime(date) {
if (!date) {
return false;
}
const ms = new Date().getTime() - date.getTime();
return `${this.humanizeDuration(ms, 1, true, false)}`;
}
static humanizeDuration(ms, maxUnits, short = false, fraction = true) {
const round = ms > 0 ? Math.floor : Math.ceil
const parsed = [{
int: round(ms / 3.1536E+10),
sin: 'year',
plu: 'Yr',
sho: 'Yr'
},{
int: round(ms / 604800000),
sin: 'week',
plu: 'w',
sho: 'w'
},
{
int: round(ms / 86400000) % 7,
sin: 'day',
plu: 'd\'s',
sho: 'd'
},
{
int: round(ms / 3600000) % 24,
sin: 'hour',
plu: 'hrs',
sho: 'hr'
},
{
int: round(ms / 60000) % 60,
sin: 'minute',
plu: 'min',
sho: 'min'
},
{
int: (round(ms / 1000) % 60) + (round(ms) % 1000 / 1000),
sin: 'second',
plu: 's',
sho: 's'
}
]
const result = []
for (let i = 0; i < parsed.length; i++) {
if (!result.length && parsed[i].int === 0) {
continue
}
if (result.length >= maxUnits) {
break
}
let int = parsed[i].int
if (!result.length && fraction && i === parsed.length - 1) {
int = int.toFixed(1)
} else {
int = int.toFixed(0)
}
result.push(`${int}${short ? parsed[i].sho : ' ' + (parseFloat(int) !== 1 ? parsed[i].plu : parsed[i].sin)}`)
}
return result.map((res, i) => {
if (!short) {
if (i === result.length - 2) {
return res + ' and'
} else if (i !== result.length - 1) {
return res + ','
}
}
return res
}).join(' ')
}
}
module.exports = CanvasUtil;