24 lines
716 B
TypeScript
24 lines
716 B
TypeScript
|
|
import { PDFPageProxy } from "pdfjs-dist/types/src/display/api.js";
|
|
|
|
import * as PDFJS from 'pdfjs-dist';
|
|
|
|
export type PDFJSImage = {
|
|
width: number;
|
|
height: number;
|
|
interpolate?: any;
|
|
kind: number; // TODO: Document what this is, maybe hasAlpha?
|
|
data: Uint8ClampedArray;
|
|
};
|
|
|
|
export async function getImagesOnPage(page: PDFPageProxy): Promise<PDFJSImage[]> {
|
|
const ops = await page.getOperatorList();
|
|
const images: PDFJSImage[] = [];
|
|
for (var j=0; j < ops.fnArray.length; j++) {
|
|
if (ops.fnArray[j] == PDFJS.OPS.paintImageXObject) {
|
|
const image = page.objs.get(ops.argsArray[j][0]) as PDFJSImage;
|
|
images.push(image);
|
|
}
|
|
}
|
|
return images;
|
|
} |