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Merge pull request Stirling-Tools#548 from sbplat/main
Add remove annotations
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| <!DOCTYPE html> | ||
| <html th:lang="${#locale.toString()}" th:lang-direction="#{language.direction}" xmlns:th="http://www.thymeleaf.org"> | ||
| <th:block th:insert="~{fragments/common :: head(title=#{removeAnnotations.title})}"></th:block> | ||
|
|
||
| <body> | ||
| <div id="page-container"> | ||
| <div id="content-wrap"> | ||
| <div th:insert="~{fragments/navbar.html :: navbar}"></div> | ||
| <br> <br> | ||
| <div class="container"> | ||
| <div class="row justify-content-center"> | ||
| <div class="col-md-6"> | ||
| <h2 th:text="#{removeAnnotations.header}"></h2> | ||
| <form id="pdfForm" class="mb-3"> | ||
| <div class="custom-file"> | ||
| <div th:replace="~{fragments/common :: fileSelector(name='fileInput', multiple=false, accept='application/pdf', remoteCall='false')}"></div> | ||
| </div> | ||
| <button type="submit" id="submitBtn" class="btn btn-primary" th:text="#{removeAnnotations.submit}"></button> | ||
| </form> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| </div> | ||
| <div th:insert="~{fragments/footer.html :: footer}"></div> | ||
| </div> | ||
| <script src="js/local-pdf-input-download.js"></script> | ||
| <script> | ||
| document.getElementById('pdfForm').addEventListener('submit', async (e) => { | ||
| e.preventDefault(); | ||
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| const { PDFDocument } = PDFLib; | ||
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| const processFile = async (file) => { | ||
| const origFileUrl = URL.createObjectURL(file); | ||
| const formPdfBytes = await fetch(origFileUrl).then(res => res.arrayBuffer()); | ||
| const pdfDoc = await PDFDocument.load(formPdfBytes, { ignoreEncryption: true }); | ||
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||
| const pages = pdfDoc.getPages(); | ||
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| for (let i = 0; i < pages.length; ++i) { | ||
| const page = pages[i]; | ||
| const annotations = page.node.Annots(); | ||
| if (!annotations) continue; | ||
| const ctx = annotations.context; | ||
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| for (let j = 0; j < annotations.size(); ++j) { | ||
| const annotation = annotations.get(j); | ||
| ctx.delete(annotation); | ||
| } | ||
| } | ||
|
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| const pdfBytes = await pdfDoc.save(); | ||
| const pdfBlob = new Blob([pdfBytes], { type: 'application/pdf' }); | ||
| const fileName = (file.name ? file.name.replace('.pdf', '') : 'pdf') + '_removed_annotations.pdf'; | ||
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| return { processedData: pdfBlob, fileName }; | ||
| }; | ||
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| await downloadFilesWithCallback(processFile); | ||
| }); | ||
| </script> | ||
| </body> | ||
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| </html> |