plot-plan-designer
Version:
Design Editor Tools with React.js + ant.design + fabric.js
117 lines (116 loc) • 6.69 kB
JavaScript
"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 () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
const react_1 = __importStar(require("react"));
const react_pdf_1 = require("react-pdf");
const antd_1 = require("antd");
require("../../styles/core/common/pdf-processor.less");
const utils_1 = require("./utils/utils");
const PDFProcessor = ({ file, onChange }) => {
const [numPages, setNumPages] = (0, react_1.useState)(undefined);
const [pageNumber, setPageNumber] = (0, react_1.useState)(1);
const [visible, setVisible] = (0, react_1.useState)(false);
const [currentPDF, setCurrentPDF] = (0, react_1.useState)(null);
const [scale, setScale] = (0, react_1.useState)(1);
const [dimension, setDimension] = (0, react_1.useState)({ w: 0, h: 0 });
(0, react_1.useEffect)(() => {
setVisible(true);
return () => {
setPageNumber(1);
setScale(1);
setDimension({ w: 0, h: 0 });
setCurrentPDF(null);
};
}, [file]);
const onDocumentLoadSuccess = (0, react_1.useCallback)((pdf) => {
setNumPages(pdf.numPages);
setCurrentPDF(pdf);
}, []);
const onSubmit = (0, react_1.useCallback)((pageNumber) => {
const exportPageAsImage = (pageNumber) => __awaiter(void 0, void 0, void 0, function* () {
const page = yield currentPDF.getPage(pageNumber);
const viewport = page.getViewport({ scale });
const canvas = document.createElement('canvas');
canvas.height = viewport.height;
canvas.width = viewport.width;
const context = canvas.getContext('2d');
yield page.render({ canvasContext: context, viewport }).promise;
// Set DPI to 300 for better image quality
canvas.toBlob((blob) => {
const { name } = file;
const fileName = (0, utils_1.getFileName)(name);
// @ts-ignore
onChange(new File([blob], `${fileName}.png`, { type: 'image/png', lastModified: new Date() }));
}, 'image/png', 300);
});
exportPageAsImage(pageNumber).then(() => setVisible(false));
}, [currentPDF, scale]);
const onPageLoadSuccess = (0, react_1.useCallback)(({ originalWidth, originalHeight }) => {
setDimension({ w: originalWidth, h: originalHeight });
}, []);
// @ts-ignore
return (react_1.default.createElement("div", null, file && (react_1.default.createElement(antd_1.Modal, { visible: visible, className: "pdf-processor", closable: false, footer: [
react_1.default.createElement(react_1.default.Fragment, null,
react_1.default.createElement("div", { className: "pdf-page-control" },
react_1.default.createElement(antd_1.Button, { shape: "circle", icon: "caret-left", onClick: () => setPageNumber(pageNumber - 1), disabled: pageNumber === 1 }),
react_1.default.createElement(antd_1.Button, { shape: "circle", icon: "caret-right", onClick: () => setPageNumber(pageNumber + 1), disabled: pageNumber === numPages }),
react_1.default.createElement("p", { key: "pdf-page", className: "pdf-page-number" },
"Page ",
pageNumber,
" of ",
numPages),
react_1.default.createElement("p", { key: "pdf-scale", className: "pdf-page-number", style: { marginLeft: '30px' } }, "Scale:"),
react_1.default.createElement(antd_1.InputNumber, { min: 1, max: 10, defaultValue: scale, onChange: setScale, style: { paddingLeft: '10px', marginLeft: '5px' } }),
react_1.default.createElement("p", { key: "pdf-dimension", className: "pdf-page-number" },
"W: ",
Math.ceil(dimension.w) * scale,
" x H: ",
Math.ceil(dimension.h) * scale)),
react_1.default.createElement(antd_1.Button, { key: "back", onClick: () => setVisible(false) }, "Cancel"),
react_1.default.createElement(antd_1.Button, { key: "submit", onClick: () => onSubmit(pageNumber), style: { backgroundColor: '#08979c', color: '#fff' } }, "Use this page")),
] },
react_1.default.createElement(react_pdf_1.Document, { file: file, onLoadSuccess: onDocumentLoadSuccess, className: "pdf-doc-renderer" },
react_1.default.createElement(react_pdf_1.Page, { pageNumber: pageNumber, key: `pdf-${pageNumber}`, onLoadSuccess: onPageLoadSuccess, width: 1024, className: "pdf-page-renderer" }))))));
};
exports.default = PDFProcessor;