djoka/bentopdf
1
0
Fork 0
Code Issues Pull Requests Actions 4 Packages Projects Releases Wiki Activity

build(pdfjs-annotation-viewer): add binary font and cmap files for PDF rendering

Browse Source 
feat(pdfjs-annotation-viewer): add various SVG icons for UI components
This commit is contained in:
abdullahalam123
2025-11-14 13:05:22 +05:30
parent 68561b28b7
commit ba669a8952
380 changed files with 118876 additions and 42617 deletions
Download Patch File Download Diff File Expand all files Collapse all files

71
src/js/logic/sign-pdf.ts
View File

@@ -13,28 +13,41 @@ export async function setupSignTool() {
showLoader('Loading PDF viewer...');
const container = document.getElementById('canvas-container-sign');
if (container) {
container.textContent = '';
const iframe = document.createElement('iframe');
iframe.style.width = '100%';
iframe.style.height = '100%';
iframe.style.border = 'none';
container.appendChild(iframe);
signState.viewerIframe = iframe;
const container = document.getElementById('canvas-container-sign');
if (container) {
container.textContent = '';
const iframe = document.createElement('iframe');
iframe.style.width = '100%';
iframe.style.height = '100%';
iframe.style.border = 'none';
container.appendChild(iframe);
signState.viewerIframe = iframe;
const pdfBytes = await state.pdfDoc.save();
const blob = new Blob([pdfBytes], { type: 'application/pdf' });
const blobUrl = URL.createObjectURL(blob);
const pdfBytes = await state.pdfDoc.save();
const blob = new Blob([pdfBytes], { type: 'application/pdf' });
const blobUrl = URL.createObjectURL(blob);
iframe.src = `/pdfjs-viewer/viewer.html?file=${encodeURIComponent(blobUrl)}`;
// PDF.js expects the file URL in the query string, while
// the annotation extension reads its options from the URL hash.
const viewerBase = '/pdfjs-annotation-viewer/web/viewer.html';
const query = new URLSearchParams({ file: blobUrl });
const hash = new URLSearchParams({
// Annotation extension params (must be in the hash, not the query)
ae_username: 'Bento User',
ae_default_editor_active: 'true',
ae_default_sidebar_open: 'true',
// We intentionally do NOT set ae_post_url because Bento uses
// client-side export only (no backend save endpoint).
});
iframe.src = `${viewerBase}?${query.toString()}#${hash.toString()}`;
iframe.onload = () => {
hideLoader();
signState.viewerReady = true;
try {
const viewerWindow = iframe.contentWindow;
const viewerWindow: any = iframe.contentWindow;
if (viewerWindow) {
setTimeout(() => {
const sigButton = viewerWindow.document.getElementById('editorSignature');
@@ -45,6 +58,21 @@ export async function setupSignTool() {
sigButtonElement.removeAttribute('disabled');
}
}
// Make the annotation extension's "Save" button behave like
// "Export PDF" (purely client-side) instead of POSTing to
// ae_post_url, which we don't use in Bento.
const ext = viewerWindow.pdfjsAnnotationExtensionInstance;
if (ext && typeof ext.exportPdf === 'function') {
ext.saveData = async () => {
try {
await ext.exportPdf();
} catch (err) {
console.error('Failed to export annotated PDF via Save button:', err);
viewerWindow.alert?.('Failed to export the signed PDF. Please try again.');
}
};
}
}, 500);
}
} catch (e) {
@@ -62,5 +90,20 @@ export async function setupSignTool() {
export async function applyAndSaveSignatures() {
if (!signState.viewerReady || !signState.viewerIframe) {
showAlert('Viewer not ready', 'Please wait for the PDF viewer to load.');
return;
}
try {
const viewerWindow: any = signState.viewerIframe.contentWindow;
if (!viewerWindow || !viewerWindow.pdfjsAnnotationExtensionInstance) {
showAlert('Annotations not ready', 'Please wait for the annotation tools to finish loading.');
return;
}
// Trigger the extension's Export PDF flow so annotations are baked into the downloaded file.
await viewerWindow.pdfjsAnnotationExtensionInstance.exportPdf();
} catch (error) {
console.error('Failed to export annotated PDF:', error);
showAlert('Export failed', 'Could not export the PDF with annotations. Please try again.');
}
}