filmout_manager/dist/testimage/index.js

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