@pdfme/pdf-lib/dist/cjs/__tests__/api/PDFPage.spec.js

Create and modify PDF files with JavaScript

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const fs_1 = __importDefault(require("fs"));
const index_1 = require("../../src/index");
const birdPng = fs_1.default.readFileSync('assets/images/greyscale_bird.png');
describe(`PDFDocument`, () => {
    describe(`getSize() method`, () => {
        it(`returns the width and height of the the page's MediaBox`, async () => {
            const pdfDoc = await index_1.PDFDocument.create();
            const page = pdfDoc.addPage();
            page.node.set(index_1.PDFName.MediaBox, pdfDoc.context.obj([5, 5, 20, 50]));
            expect(page.getSize()).toEqual({ width: 15, height: 45 });
        });
    });
    describe(`setSize() method`, () => {
        it(`sets the width and height of only the the page's MediaBox when the other boxes are not defined`, async () => {
            const pdfDoc = await index_1.PDFDocument.create();
            const page = pdfDoc.addPage();
            page.setMediaBox(5, 5, 20, 50);
            expect(page.getMediaBox()).toEqual({ x: 5, y: 5, width: 20, height: 50 });
            expect(page.node.MediaBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.CropBox()).toBeUndefined();
            expect(page.node.BleedBox()).toBeUndefined();
            expect(page.node.TrimBox()).toBeUndefined();
            expect(page.node.ArtBox()).toBeUndefined();
            page.setSize(15, 45);
            expect(page.getSize()).toEqual({ width: 15, height: 45 });
            expect(page.getMediaBox()).toEqual({ x: 5, y: 5, width: 15, height: 45 });
            expect(page.node.MediaBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.CropBox()).toBeUndefined();
            expect(page.node.BleedBox()).toBeUndefined();
            expect(page.node.TrimBox()).toBeUndefined();
            expect(page.node.ArtBox()).toBeUndefined();
        });
        it(`sets the width and height of the the page's CropBox, BleedBox, TrimBox, and ArtBox when they equal the MediaBox`, async () => {
            const pdfDoc = await index_1.PDFDocument.create();
            const page = pdfDoc.addPage();
            page.setMediaBox(5, 5, 20, 50);
            page.setCropBox(5, 5, 20, 50);
            page.setBleedBox(5, 5, 20, 50);
            page.setTrimBox(5, 5, 20, 50);
            page.setArtBox(5, 5, 20, 50);
            expect(page.getMediaBox()).toEqual({ x: 5, y: 5, width: 20, height: 50 });
            expect(page.getCropBox()).toEqual({ x: 5, y: 5, width: 20, height: 50 });
            expect(page.getBleedBox()).toEqual({ x: 5, y: 5, width: 20, height: 50 });
            expect(page.getTrimBox()).toEqual({ x: 5, y: 5, width: 20, height: 50 });
            expect(page.getArtBox()).toEqual({ x: 5, y: 5, width: 20, height: 50 });
            expect(page.node.MediaBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.CropBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.BleedBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.TrimBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.ArtBox()).toBeInstanceOf(index_1.PDFArray);
            page.setSize(15, 45);
            expect(page.getSize()).toEqual({ width: 15, height: 45 });
            expect(page.getMediaBox()).toEqual({ x: 5, y: 5, width: 15, height: 45 });
            expect(page.getCropBox()).toEqual({ x: 5, y: 5, width: 15, height: 45 });
            expect(page.getBleedBox()).toEqual({ x: 5, y: 5, width: 15, height: 45 });
            expect(page.getTrimBox()).toEqual({ x: 5, y: 5, width: 15, height: 45 });
            expect(page.getArtBox()).toEqual({ x: 5, y: 5, width: 15, height: 45 });
        });
        it(`does not set the width and height of the the page's CropBox, BleedBox, TrimBox, or ArtBox when they do not equal the MediaBox`, async () => {
            const pdfDoc = await index_1.PDFDocument.create();
            const page = pdfDoc.addPage();
            page.setMediaBox(5, 5, 20, 50);
            page.setCropBox(0, 0, 20, 50);
            page.setBleedBox(5, 5, 10, 25);
            page.setTrimBox(5, 0, 10, 50);
            page.setArtBox(0, 5, 20, 25);
            expect(page.getMediaBox()).toEqual({ x: 5, y: 5, width: 20, height: 50 });
            expect(page.getCropBox()).toEqual({ x: 0, y: 0, width: 20, height: 50 });
            expect(page.getBleedBox()).toEqual({ x: 5, y: 5, width: 10, height: 25 });
            expect(page.getTrimBox()).toEqual({ x: 5, y: 0, width: 10, height: 50 });
            expect(page.getArtBox()).toEqual({ x: 0, y: 5, width: 20, height: 25 });
            expect(page.node.MediaBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.CropBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.BleedBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.TrimBox()).toBeInstanceOf(index_1.PDFArray);
            expect(page.node.ArtBox()).toBeInstanceOf(index_1.PDFArray);
            page.setSize(15, 45);
            expect(page.getSize()).toEqual({ width: 15, height: 45 });
            expect(page.getMediaBox()).toEqual({ x: 5, y: 5, width: 15, height: 45 });
            expect(page.getCropBox()).toEqual({ x: 0, y: 0, width: 20, height: 50 });
            expect(page.getBleedBox()).toEqual({ x: 5, y: 5, width: 10, height: 25 });
            expect(page.getTrimBox()).toEqual({ x: 5, y: 0, width: 10, height: 50 });
            expect(page.getArtBox()).toEqual({ x: 0, y: 5, width: 20, height: 25 });
        });
    });
    // https://github.com/Hopding/pdf-lib/issues/1075
    it(`drawImage() does not reuse existing XObject keys`, async () => {
        const pdfDoc1 = await index_1.PDFDocument.create();
        const image1 = await pdfDoc1.embedPng(birdPng);
        const page1 = pdfDoc1.addPage();
        expect(page1.node.normalizedEntries().XObject.keys().length).toEqual(0);
        page1.drawImage(image1);
        expect(page1.node.normalizedEntries().XObject.keys().length).toEqual(1);
        const key1 = page1.node.normalizedEntries().XObject.keys()[0];
        const pdfDoc2 = await index_1.PDFDocument.load(await pdfDoc1.save());
        const image2 = await pdfDoc2.embedPng(birdPng);
        const page2 = pdfDoc2.getPage(0);
        expect(page2.node.normalizedEntries().XObject.keys().length).toEqual(1);
        page2.drawImage(image2);
        expect(page2.node.normalizedEntries().XObject.keys().length).toEqual(2);
        const key2 = page2.node.normalizedEntries().XObject.keys()[1];
        expect(key1).not.toEqual(key2);
        expect(page2.node.normalizedEntries().XObject.keys()).toEqual([key1, key2]);
    });
    // https://github.com/Hopding/pdf-lib/issues/1075
    it(`setFont() does not reuse existing Font keys`, async () => {
        const pdfDoc1 = await index_1.PDFDocument.create();
        const font1 = await pdfDoc1.embedFont(index_1.StandardFonts.Helvetica);
        const page1 = pdfDoc1.addPage();
        expect(page1.node.normalizedEntries().Font.keys().length).toEqual(0);
        page1.setFont(font1);
        expect(page1.node.normalizedEntries().Font.keys().length).toEqual(1);
        const key1 = page1.node.normalizedEntries().Font.keys()[0];
        const pdfDoc2 = await index_1.PDFDocument.load(await pdfDoc1.save());
        const font2 = await pdfDoc2.embedFont(index_1.StandardFonts.Helvetica);
        const page2 = pdfDoc2.getPage(0);
        expect(page2.node.normalizedEntries().Font.keys().length).toEqual(1);
        page2.setFont(font2);
        expect(page2.node.normalizedEntries().Font.keys().length).toEqual(2);
        const key2 = page2.node.normalizedEntries().Font.keys()[1];
        expect(key1).not.toEqual(key2);
        expect(page2.node.normalizedEntries().Font.keys()).toEqual([key1, key2]);
    });
});
//# sourceMappingURL=PDFPage.spec.js.map