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wasm/pdfcpu, pdfnup

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This commit is contained in:
Felix Kaspar
2023-10-18 01:20:31 +02:00
parent fddbec2408
commit 21e0385a31
10 changed files with 1016 additions and 38 deletions
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22
public/traverseOperations.js
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@@ -1,4 +1,5 @@
import { extractPages } from "./functions/extractPages.js";
import { impose } from "./functions/impose.js";
import { mergePDFs } from "./functions/mergePDFs.js";
import { rotatePages } from "./functions/rotatePDF.js";
import { splitPDF } from "./functions/splitPDF.js";
@@ -18,7 +19,6 @@ export async function traverseOperations(operations, input) {
}
for (let i = 0; i < operations.length; i++) {
console.warn(input);
await computeOperation(operations[i], structuredClone(input)); // break references
}
}
@@ -55,14 +55,12 @@ export async function traverseOperations(operations, input) {
case "extract":
if(Array.isArray(input)) {
for (let i = 0; i < input.length; i++) {
// TODO: modfiy input
input[i].fileName += "_extractedPages";
input[i].buffer = await extractPages(input[i].buffer, operation.values["pagesToExtractArray"]);
await nextOperation(operation.operations, input[i]);
}
}
else {
// TODO: modfiy input
input.fileName += "_extractedPages";
input.buffer = await extractPages(input.buffer, operation.values["pagesToExtractArray"]);
await nextOperation(operation.operations, input);
@@ -161,14 +159,12 @@ export async function traverseOperations(operations, input) {
case "extract":
if(Array.isArray(input)) {
for (let i = 0; i < input.length; i++) {
// TODO: modfiy input
input[i].fileName += "_extractedPages";
input[i].buffer = await extractPages(input[i].buffer, operation.values["pagesToExtractArray"]);
await nextOperation(operation.operations, input[i]);
}
}
else {
// TODO: modfiy input
input.fileName += "_extractedPages";
input.buffer = await extractPages(input.buffer, operation.values["pagesToExtractArray"]);
await nextOperation(operation.operations, input);
@@ -177,19 +173,31 @@ export async function traverseOperations(operations, input) {
case "rotate":
if(Array.isArray(input)) {
for (let i = 0; i < input.length; i++) {
// TODO: modfiy input
input[i].fileName += "_turned";
input[i].buffer = await rotatePages(input[i].buffer, operation.values["rotation"]);
await nextOperation(operation.operations, input[i]);
}
}
else {
// TODO: modfiy input
input.fileName += "_turned";
input.buffer = await rotatePages(input.buffer, operation.values["rotation"]);
await nextOperation(operation.operations, input);
}
break;
case "impose":
if(Array.isArray(input)) {
for (let i = 0; i < input.length; i++) {
input[i].fileName += "_imposed";
input[i].buffer = await impose(input[i].buffer, operation.values["nup"], operation.values["format"]);
await nextOperation(operation.operations, input[i]);
}
}
else {
input.fileName += "_imposed";
input.buffer = await impose(input.buffer, operation.values["nup"], operation.values["format"]);
await nextOperation(operation.operations, input);
}
break;
default:
console.log("operation type unknown: ", operation.type);
break;