88 lines
3.3 KiB
JavaScript
88 lines
3.3 KiB
JavaScript
"use strict";
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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var desc = Object.getOwnPropertyDescriptor(m, k);
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if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
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desc = { enumerable: true, get: function() { return m[k]; } };
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}
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Object.defineProperty(o, k2, desc);
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.TestImage = void 0;
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const PImage = __importStar(require("pureimage"));
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const fs_1 = require("fs");
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const os_1 = require("os");
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const path_1 = require("path");
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const uuid_1 = require("uuid");
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class TestImage {
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static async Frame(width, height, edge = 2) {
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const id = (0, uuid_1.v4)();
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const filePath = (0, path_1.join)((0, os_1.tmpdir)(), `frame-${id}.png`);
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const img = PImage.make(width, height);
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const ctx = img.getContext('2d');
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ctx.fillStyle = 'black';
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ctx.fillRect(0, 0, width, height);
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ctx.fillStyle = 'red';
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ctx.fillRect(0, 0, width, edge);
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ctx.fillRect(0, 0, edge, height);
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ctx.fillRect(0, height - edge, width, edge);
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ctx.fillRect(width - edge, 0, edge, height);
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try {
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await PImage.encodePNGToStream(img, (0, fs_1.createWriteStream)(filePath));
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}
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catch (err) {
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throw err;
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}
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return filePath;
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}
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static async Focus(width, height, count = 20) {
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const id = (0, uuid_1.v4)();
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const filePath = (0, path_1.join)((0, os_1.tmpdir)(), `frame-${id}.png`);
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const img = PImage.make(width, height);
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const ctx = img.getContext('2d');
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const half = Math.round(count / 2);
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const dpr = 1;
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const w = width / dpr;
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const h = height / dpr;
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const longest = w >= h ? w * 1.5 : h * 1.5;
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const opp = Math.tan(360 / (count * 32)) * longest / 10;
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ctx.fillStyle = 'black';
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ctx.fillRect(0, 0, w, h);
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ctx.fillStyle = 'white';
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for (let i = 0; i < count; i++) {
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ctx.beginPath();
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ctx.moveTo(w / 2, h / 2);
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ctx.lineTo((w / 2) + opp, longest);
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ctx.lineTo((w / 2) - opp, longest);
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ctx.fill();
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ctx.translate(w / 2, h / 2);
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ctx.rotate((360 / count) * Math.PI / 180);
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ctx.translate(-w / 2, -h / 2);
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}
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try {
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await PImage.encodePNGToStream(img, (0, fs_1.createWriteStream)(filePath));
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}
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catch (err) {
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throw err;
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}
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return filePath;
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}
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}
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exports.TestImage = TestImage;
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module.exports = { TestImage };
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//# sourceMappingURL=index.js.map
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