javier/Stirling-PDF
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Metadata editting and local only JS and pdf to image change and format pages (#44)

Browse Source 
* Formatting

* changeMeta

* pdf to img fix

* foramtting

* new image

* lang changes
This commit is contained in:
Anthony Stirling
2023-02-11 14:27:15 +00:00
committed by GitHub
parent aa9f8329d5
commit c739c9dd2b
56 changed files with 11691 additions and 1409 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
src/main/java/stirling/software/SPDF/controller/CompressController.java
View File

@@ -1,15 +1,9 @@
package stirling.software.SPDF.controller;
import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
@@ -30,45 +24,45 @@ import stirling.software.SPDF.utils.PdfUtils;
@Controller
public class CompressController {
private static final Logger logger = LoggerFactory.getLogger(CompressController.class);
private static final Logger logger = LoggerFactory.getLogger(CompressController.class);
@GetMapping("/compress-pdf")
public String compressPdfForm(Model model) {
model.addAttribute("currentPage", "compress-pdf");
return "compress-pdf";
}
@GetMapping("/compress-pdf")
public String compressPdfForm(Model model) {
model.addAttribute("currentPage", "compress-pdf");
return "compress-pdf";
}
@PostMapping("/compress-pdf")
public ResponseEntity<byte[]> compressPDF(@RequestParam("fileInput") MultipartFile pdfFile,
@RequestParam("imageCompressionLevel") String imageCompressionLevel) throws IOException {
@PostMapping("/compress-pdf")
public ResponseEntity<byte[]> compressPDF(@RequestParam("fileInput") MultipartFile pdfFile, @RequestParam("imageCompressionLevel") String imageCompressionLevel)
throws IOException {
// Load a sample PDF document
PdfDocument document = new PdfDocument();
document.loadFromBytes(pdfFile.getBytes());
// Load a sample PDF document
PdfDocument document = new PdfDocument();
document.loadFromBytes(pdfFile.getBytes());
// Compress PDF
document.getFileInfo().setIncrementalUpdate(false);
document.setCompressionLevel(PdfCompressionLevel.Best);
// Compress PDF
document.getFileInfo().setIncrementalUpdate(false);
document.setCompressionLevel(PdfCompressionLevel.Best);
// compress PDF Images
for (int i = 0; i < document.getPages().getCount(); i++) {
// compress PDF Images
for (int i = 0; i < document.getPages().getCount(); i++) {
PdfPageBase page = document.getPages().get(i);
PdfImageInfo[] images = page.getImagesInfo();
if (images != null && images.length > 0)
for (int j = 0; j < images.length; j++) {
PdfImageInfo image = images[j];
PdfBitmap bp = new PdfBitmap(image.getImage());
// bp.setPngDirectToJpeg(true);
bp.setQuality(Integer.valueOf(imageCompressionLevel));
PdfPageBase page = document.getPages().get(i);
PdfImageInfo[] images = page.getImagesInfo();
if (images != null && images.length > 0)
for (int j = 0; j < images.length; j++) {
PdfImageInfo image = images[j];
PdfBitmap bp = new PdfBitmap(image.getImage());
// bp.setPngDirectToJpeg(true);
bp.setQuality(Integer.valueOf(imageCompressionLevel));
page.replaceImage(j, bp);
page.replaceImage(j, bp);
}
}
}
}
return PdfUtils.pdfDocToWebResponse(document, pdfFile.getName() + "_compressed.pdf");
return PdfUtils.pdfDocToWebResponse(document, pdfFile.getName() + "_compressed.pdf");
}
}
}