@pdfme/pdf-lib
Version:
Create and modify PDF files with JavaScript
57 lines • 2.55 kB
JavaScript
;
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 api_1 = require("../../../src/api");
const core_1 = require("../../../src/core");
const examplePdf = fs_1.default.readFileSync('./assets/pdfs/normal.pdf');
const examplePage = async () => {
const doc = await api_1.PDFDocument.load(examplePdf);
return doc.getPages()[0];
};
describe(`PDFPageEmbedder`, () => {
it(`can be constructed with PDFPageEmbedder.for(...)`, async () => {
const page = await examplePage();
const embedder = await core_1.PDFPageEmbedder.for(page.node);
expect(embedder).toBeInstanceOf(core_1.PDFPageEmbedder);
});
it(`can embed PDF pages into PDFContexts with a predefined ref`, async () => {
const context = core_1.PDFContext.create();
const predefinedRef = core_1.PDFRef.of(9999);
const page = await examplePage();
const embedder = await core_1.PDFPageEmbedder.for(page.node);
expect(context.enumerateIndirectObjects().length).toBe(0);
const ref = await embedder.embedIntoContext(context, predefinedRef);
expect(context.enumerateIndirectObjects().length).toBe(1);
expect(context.lookup(predefinedRef)).toBeInstanceOf(core_1.PDFRawStream);
expect(ref).toBe(predefinedRef);
});
it(`can extract properties of the PDF page`, async () => {
const page = await examplePage();
const embedder = await core_1.PDFPageEmbedder.for(page.node);
expect(embedder.boundingBox).toEqual({
left: 0,
bottom: 0,
right: page.getSize().width,
top: page.getSize().height,
});
expect(embedder.transformationMatrix).toEqual([1, 0, 0, 1, -0, -0]);
expect(embedder.width).toEqual(page.getWidth());
expect(embedder.height).toEqual(page.getHeight());
});
it(`calculates dimensions depending on the bounding box when given one`, async () => {
const page = await examplePage();
const boundingBox = {
left: 100,
bottom: 100,
right: 222,
top: 333,
};
const embedder = await core_1.PDFPageEmbedder.for(page.node, boundingBox);
expect(embedder.width).toEqual(122);
expect(embedder.height).toEqual(233);
});
});
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