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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
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91
src/main/java/stirling/software/SPDF/controller/security/WatermarkController.java
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@@ -1,7 +1,6 @@
package stirling.software.SPDF.controller.security;
import java.awt.Color;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.apache.pdfbox.pdmodel.PDDocument;
@@ -9,11 +8,7 @@ import org.apache.pdfbox.pdmodel.PDPage;
import org.apache.pdfbox.pdmodel.PDPageContentStream;
import org.apache.pdfbox.pdmodel.font.PDFont;
import org.apache.pdfbox.pdmodel.font.PDType1Font;
import org.apache.pdfbox.pdmodel.graphics.state.PDExtendedGraphicsState;
import org.apache.pdfbox.util.Matrix;
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;
@@ -27,57 +22,53 @@ import stirling.software.SPDF.utils.PdfUtils;
@Controller
public class WatermarkController {
@GetMapping("/add-watermark")
public String addWatermarkForm(Model model) {
model.addAttribute("currentPage", "add-watermark");
return "security/add-watermark";
}
@GetMapping("/add-watermark")
public String addWatermarkForm(Model model) {
model.addAttribute("currentPage", "add-watermark");
return "security/add-watermark";
}
@PostMapping("/add-watermark")
public ResponseEntity<byte[]> addWatermark(@RequestParam("fileInput") MultipartFile pdfFile,
@RequestParam("watermarkText") String watermarkText,
@RequestParam(defaultValue = "30", name = "fontSize") float fontSize,
@RequestParam(defaultValue = "0", name = "rotation") float rotation,
@RequestParam(defaultValue = "50", name = "widthSpacer") int widthSpacer,
@RequestParam(defaultValue = "50", name = "heightSpacer") int heightSpacer) throws IOException {
@PostMapping("/add-watermark")
public ResponseEntity<byte[]> addWatermark(@RequestParam("fileInput") MultipartFile pdfFile, @RequestParam("watermarkText") String watermarkText,
@RequestParam(defaultValue = "30", name = "fontSize") float fontSize, @RequestParam(defaultValue = "0", name = "rotation") float rotation,
@RequestParam(defaultValue = "50", name = "widthSpacer") int widthSpacer, @RequestParam(defaultValue = "50", name = "heightSpacer") int heightSpacer)
throws IOException {
// Load the input PDF
PDDocument document = PDDocument.load(pdfFile.getInputStream());
// Load the input PDF
PDDocument document = PDDocument.load(pdfFile.getInputStream());
// Create a page in the document
for (PDPage page : document.getPages()) {
// Get the page's content stream
PDPageContentStream contentStream = new PDPageContentStream(document, page,
PDPageContentStream.AppendMode.APPEND, true);
// Create a page in the document
for (PDPage page : document.getPages()) {
// Get the page's content stream
PDPageContentStream contentStream = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.APPEND, true);
// Set font of watermark
PDFont font = PDType1Font.HELVETICA_BOLD;
contentStream.beginText();
contentStream.setFont(font, fontSize);
contentStream.setNonStrokingColor(Color.LIGHT_GRAY);
// Set font of watermark
PDFont font = PDType1Font.HELVETICA_BOLD;
contentStream.beginText();
contentStream.setFont(font, fontSize);
contentStream.setNonStrokingColor(Color.LIGHT_GRAY);
// Set size and location of watermark
float pageWidth = page.getMediaBox().getWidth();
float pageHeight = page.getMediaBox().getHeight();
float watermarkWidth = widthSpacer + font.getStringWidth(watermarkText) * fontSize / 1000;
float watermarkHeight = heightSpacer + fontSize;
int watermarkRows = (int) (pageHeight / watermarkHeight + 1);
int watermarkCols = (int) (pageWidth / watermarkWidth + 1);
// Set size and location of watermark
float pageWidth = page.getMediaBox().getWidth();
float pageHeight = page.getMediaBox().getHeight();
float watermarkWidth = widthSpacer + font.getStringWidth(watermarkText) * fontSize / 1000;
float watermarkHeight = heightSpacer + fontSize;
int watermarkRows = (int) (pageHeight / watermarkHeight + 1);
int watermarkCols = (int) (pageWidth / watermarkWidth + 1);
// Add the watermark text
for (int i = 0; i < watermarkRows; i++) {
for (int j = 0; j < watermarkCols; j++) {
contentStream.setTextMatrix(Matrix.getRotateInstance((float) Math.toRadians(rotation),
j * watermarkWidth, i * watermarkHeight));
contentStream.showTextWithPositioning(new Object[] { watermarkText });
}
}
// Add the watermark text
for (int i = 0; i < watermarkRows; i++) {
for (int j = 0; j < watermarkCols; j++) {
contentStream.setTextMatrix(Matrix.getRotateInstance((float) Math.toRadians(rotation), j * watermarkWidth, i * watermarkHeight));
contentStream.showTextWithPositioning(new Object[] { watermarkText });
}
}
contentStream.endText();
contentStream.endText();
// Close the content stream
contentStream.close();
}
return PdfUtils.pdfDocToWebResponse(document, pdfFile.getName() + "_watermarked.pdf");
}
// Close the content stream
contentStream.close();
}
return PdfUtils.pdfDocToWebResponse(document, pdfFile.getName() + "_watermarked.pdf");
}
}