@pdfme/converter
Version:
TypeScript base PDF generator and React base UI. Open source, developed by the community, and completely free to use under the MIT license!
35 lines • 1.47 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.pdf2img = pdf2img;
async function pdf2img(pdf, options = {}, env) {
try {
const { scale = 1, imageType = 'jpeg', range = {} } = options;
const { start = 0, end = Infinity } = range;
const { getDocument, createCanvas, canvasToArrayBuffer } = env;
const pdfDoc = await getDocument(pdf);
const numPages = pdfDoc.numPages;
const startPage = Math.max(start + 1, 1);
const endPage = Math.min(end + 1, numPages);
const results = [];
for (let pageNum = startPage; pageNum <= endPage; pageNum++) {
const page = await pdfDoc.getPage(pageNum);
const viewport = page.getViewport({ scale });
const canvas = createCanvas(viewport.width, viewport.height);
if (!canvas) {
throw new Error('Failed to create canvas');
}
const context = canvas.getContext('2d');
if (!context) {
throw new Error('Failed to get canvas context');
}
await page.render({ canvasContext: context, viewport }).promise;
const arrayBuffer = canvasToArrayBuffer(canvas, imageType);
results.push(arrayBuffer);
}
return results;
}
catch (error) {
throw new Error(`[@pdfme/converter] pdf2img failed: ${error.message}`);
}
}
//# sourceMappingURL=pdf2img.js.map