lang adds
This commit is contained in:
Anthony Stirling
parent
5ee702f364
commit
34c7ee46a0
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@ -1,10 +1,14 @@
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package stirling.software.SPDF.controller.api.misc;
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import java.awt.AlphaComposite;
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import java.awt.BasicStroke;
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import java.awt.Color;
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import java.awt.GradientPaint;
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import java.awt.Graphics2D;
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import java.awt.RenderingHints;
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import java.awt.geom.AffineTransform;
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import java.awt.geom.Ellipse2D;
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import java.awt.geom.Path2D;
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import java.awt.image.AffineTransformOp;
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import java.awt.image.BufferedImage;
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import java.awt.image.BufferedImageOp;
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@ -47,12 +51,11 @@ public class FakeScanControllerWIP {
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private static final Logger logger = LoggerFactory.getLogger(FakeScanControllerWIP.class);
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//TODO
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//@PostMapping(consumes = "multipart/form-data", value = "/fake-scan")
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//@Operation(
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// summary = "Repair a PDF file",
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// description =
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// "This endpoint repairs a given PDF file by running Ghostscript command. The PDF is first saved to a temporary location, repaired, read back, and then returned as a response.")
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@PostMapping(consumes = "multipart/form-data", value = "/fake-scan")
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@Operation(
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summary = "Repair a PDF file",
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description =
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"This endpoint repairs a given PDF file by running Ghostscript command. The PDF is first saved to a temporary location, repaired, read back, and then returned as a response.")
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public ResponseEntity<byte[]> fakeScan(@ModelAttribute PDFFile request) throws IOException {
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MultipartFile inputFile = request.getFileInput();
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@ -91,18 +94,20 @@ public class FakeScanControllerWIP {
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public BufferedImage processImage(BufferedImage image) {
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// Rotation
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image = rotate(image);
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addDustAndHairs(image, 50);
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// image = rotate(image, 1);
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// image = softenEdges(image, 5);
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image = applyGaussianBlur(image, 0.5);
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addGaussianNoise(image, 0.25);
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addGaussianNoise(image, 0.8);
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image = linearStretch(image);
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return image;
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}
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private BufferedImage rotate(BufferedImage image) {
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private BufferedImage rotate(BufferedImage image, double rotation) {
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double rotationRequired = Math.toRadians(1.0);
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double rotationRequired = Math.toRadians(rotation);
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double locationX = image.getWidth() / 2;
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double locationY = image.getHeight() / 2;
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AffineTransform tx =
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@ -144,6 +149,11 @@ public class FakeScanControllerWIP {
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BufferedImage output = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
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Graphics2D g2 = output.createGraphics();
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g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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g2.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
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g2.setRenderingHint(
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RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
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g2.drawImage(image, 0, 0, null);
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g2.setComposite(AlphaComposite.DstIn);
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g2.setPaint(
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@ -177,6 +187,49 @@ public class FakeScanControllerWIP {
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return output;
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}
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private void addDustAndHairs(BufferedImage image, float intensity) {
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int width = image.getWidth();
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int height = image.getHeight();
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Graphics2D g2d = image.createGraphics();
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Random random = new SecureRandom();
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// Set rendering hints for better quality
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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// Calculate the number of artifacts based on intensity
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int numSpots = (int) (intensity * 10);
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int numHairs = (int) (intensity * 20);
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// Add spots with more variable sizes
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g2d.setColor(new Color(100, 100, 100, 50)); // Semi-transparent gray
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for (int i = 0; i < numSpots; i++) {
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int x = random.nextInt(width);
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int y = random.nextInt(height);
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int ovalSize = 1 + random.nextInt(3); // Base size + variable component
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if (random.nextFloat() > 0.9) {
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// 10% chance to get a larger spot
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ovalSize += random.nextInt(3);
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}
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g2d.fill(new Ellipse2D.Double(x, y, ovalSize, ovalSize));
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}
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// Add hairs
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g2d.setStroke(new BasicStroke(0.5f)); // Thin stroke for hairs
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g2d.setColor(new Color(80, 80, 80, 40)); // Slightly lighter and more transparent
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for (int i = 0; i < numHairs; i++) {
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int x1 = random.nextInt(width);
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int y1 = random.nextInt(height);
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int x2 = x1 + random.nextInt(20) - 10; // Random length and direction
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int y2 = y1 + random.nextInt(20) - 10;
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Path2D.Double hair = new Path2D.Double();
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hair.moveTo(x1, y1);
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hair.curveTo(x1, y1, (x1 + x2) / 2, (y1 + y2) / 2, x2, y2);
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g2d.draw(hair);
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}
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g2d.dispose();
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}
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private void addGaussianNoise(BufferedImage image, double strength) {
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Random rand = new SecureRandom();
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int width = image.getWidth();
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF إلى PDF / A
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pdfToPDFA.credit=تستخدم هذه الخدمة OCRmyPDF لتحويل PDF / A.
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pdfToPDFA.submit=تحويل
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF към PDF/A
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pdfToPDFA.credit=Тази услуга използва OCRmyPDF за PDF/A преобразуване.
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pdfToPDFA.submit=Преобразуване
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF a PDF/A
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pdfToPDFA.credit=Utilitza OCRmyPDF per la conversió a PDF/A
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pdfToPDFA.submit=Converteix
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF σε PDF/A
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pdfToPDFA.credit=Αυτή η υπηρεσία χρησιμοποιεί OCRmyPDF για PDF/A μετατροπή
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pdfToPDFA.submit=Μετατροπή
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pdfToPDFA.tip=Προς το παρόν δεν λειτουργεί για πολλαπλές εισόδους ταυτόχρονα
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF a PDF/A
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pdfToPDFA.credit=Este servicio usa OCRmyPDF para la conversión a PDF/A
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pdfToPDFA.submit=Convertir
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pdfToPDFA.tip=Actualmente no funciona para múltiples entrada a la vez
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDFa PDF/A bihurtu
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pdfToPDFA.credit=Zerbitzu honek OCRmyPDF erabiltzen du PDFak PDF/A bihurtzeko
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pdfToPDFA.submit=Bihurtu
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF en PDF/A
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pdfToPDFA.credit=Ce service utilise OCRmyPDF pour la conversion en PDF/A.
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pdfToPDFA.submit=Convertir
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF से PDF/A में
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pdfToPDFA.credit=इस सेवा में PDF/A परिवर्तन के लिए OCRmyPDF का उपयोग किया जाता है।
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pdfToPDFA.submit=परिवर्तित करें
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF >> PDF/A
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pdfToPDFA.credit=Ez a szolgáltatás az OCRmyPDF-t használja a PDF/A konverzióhoz
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pdfToPDFA.submit=Konvertálás
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF ke PDF/A
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pdfToPDFA.credit=Layanan ini menggunakan OCRmyPDF untuk konversi PDF/A.
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pdfToPDFA.submit=Konversi
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=Da PDF a PDF/A
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pdfToPDFA.credit=Questo servizio utilizza OCRmyPDF per la conversione in PDF/A.
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pdfToPDFA.submit=Converti
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pdfToPDFA.tip=Attualmente non funziona per più input contemporaneamente
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDFをPDF/Aに変換
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pdfToPDFA.credit=本サービスはPDF/Aの変換にOCRmyPDFを使用しています。
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pdfToPDFA.submit=変換
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pdfToPDFA.tip=現在、一度に複数の入力に対して機能しません
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF 문서를 PDF/A로 변환
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pdfToPDFA.credit=이 서비스는 PDF/A 변환을 위해 OCRmyPDF 문서를 사용합니다.
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pdfToPDFA.submit=변환
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pdfToPDFA.tip=현재 한 번에 여러 입력에 대해 작동하지 않습니다.
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF naar PDF/A
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pdfToPDFA.credit=Deze service gebruikt OCRmyPDF voor PDF/A-conversie
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pdfToPDFA.submit=Converteren
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF na PDF/A
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pdfToPDFA.credit=Ta usługa używa OCRmyPDF do konwersji PDF/A
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pdfToPDFA.submit=Konwertuj
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF para PDF/A
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pdfToPDFA.credit=Este serviço usa OCRmyPDF para Conversão de PDF/A
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pdfToPDFA.submit=Converter
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF para PDF/A
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pdfToPDFA.credit=Este serviço usa OCRmyPDF para Conversão de PDF/A
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pdfToPDFA.submit=Converter
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF către PDF/A
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pdfToPDFA.credit=Acest serviciu utilizează OCRmyPDF pentru conversia în PDF/A
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pdfToPDFA.submit=Convert
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF в PDF/A
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pdfToPDFA.credit=Этот сервис использует OCRmyPDF для преобразования PDF/A
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pdfToPDFA.submit=Конвертировать
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF u PDF/A
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pdfToPDFA.credit=Ova usluga koristi OCRmyPDF za konverziju u PDF/A format
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pdfToPDFA.submit=Konvertuj
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF till PDF/A
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pdfToPDFA.credit=Denna tjänst använder OCRmyPDF för PDF/A-konvertering
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pdfToPDFA.submit=Konvertera
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pdfToPDFA.tip=Currently does not work for multiple inputs at once
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF'den PDF/A'ya
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pdfToPDFA.credit=Bu hizmet PDF/A dönüşümü için OCRmyPDF kullanır
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pdfToPDFA.submit=Dönüştür
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pdfToPDFA.tip=Şu anda aynı anda birden fazla giriş için çalışmıyor
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF в PDF/A
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pdfToPDFA.credit=Цей сервіс використовує OCRmyPDF для перетворення у формат PDF/A
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pdfToPDFA.submit=Конвертувати
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pdfToPDFA.tip=Наразі не працює для кількох вхідних файлів одночасно
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF转换为PDF/A
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pdfToPDFA.credit=此服务使用OCRmyPDF进行PDF/A转换
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pdfToPDFA.submit=转换
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pdfToPDFA.tip=目前不支持上传多个
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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@ -941,6 +941,7 @@ pdfToPDFA.header=PDF 轉 PDF/A
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pdfToPDFA.credit=此服務使用 OCRmyPDF 進行 PDF/A 轉換
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pdfToPDFA.submit=轉換
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pdfToPDFA.tip=目前不支援上傳多個
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pdfToPDFA.outputFormat=Output format
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#PDFToWord
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