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Cleanup, Documented Impose

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This commit is contained in:
Felix Kaspar
2023-11-17 20:38:45 +01:00
parent 432342415e
commit 8a63ebe6cf
7 changed files with 30 additions and 21 deletions
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12
shared-operations/src/functions/extractPages.ts
View File

@@ -5,19 +5,19 @@ import { parsePageIndexSpecification } from './common/pageIndexesUtils'
export type ExtractPagesParamsType = {
file: PdfFile;
pageIndexes: string | number[];
pageIndecies: string | number[];
}
export async function extractPages(params: ExtractPagesParamsType): Promise<PdfFile> {
const { file, pageIndexes } = params;
const { file, pageIndecies: pageIndecies } = params;
const pdfLibDocument = await file.pdfLibDocument;
var indexes = pageIndexes;
var indecies = pageIndecies;
if (!Array.isArray(indexes)) {
indexes = parsePageIndexSpecification(indexes, pdfLibDocument.getPageCount());
if (!Array.isArray(indecies)) {
indecies = parsePageIndexSpecification(indecies, pdfLibDocument.getPageCount());
}
const newFile = await getPages(file, indexes);
const newFile = await getPages(file, indecies);
newFile.filename += "_extractedPages"
return newFile;
}

15
shared-operations/src/functions/impose.ts
View File

@@ -2,17 +2,16 @@ import { PdfFile, RepresentationType } from "../wrappers/PdfFile";
export type ImposeParamsType = {
file: PdfFile;
/** Accepted values are 2, 3, 4, 8, 9, 12, 16 - see: {@link https://pdfcpu.io/generate/nup.html#n-up-value} */
nup: number;
/** A0-A10, other formats available - see: {@link https://pdfcpu.io/paper.html} */
format: string;
}
export type ImposeParamsBaseType = {
file: PdfFile;
nup: number;
format: string;
pdfcpuWrapper: any;
}
export async function impose(params: ImposeParamsBaseType): Promise<PdfFile> {
const uint8Array = await params.pdfcpuWrapper.oneToOne(
/** PDF-Imposition, PDF-N-Up: Put multiple pages of the input document into a single page of the output document. - see: {@link https://en.wikipedia.org/wiki/N-up} */
export async function impose(params: ImposeParamsType, pdfcpuWrapper: any): Promise<PdfFile> {
// https://pdfcpu.io/generate/nup.html
const uint8Array = await pdfcpuWrapper.oneToOne(
[
"pdfcpu.wasm",
"nup",