code sources

2024-03-01 16:05:06 +01:00
parent b9ac7f8d72
commit b73c859b94
7 changed files with 1444 additions and 3 deletions
@@ -0,0 +1,89 @@
+using System;
+using System.IO;
+using System.Linq;
+
+using iText.Kernel.Geom;
+using iText.Kernel.Pdf;
+using iText.Kernel.Pdf.Xobject;
+using iText.Layout;
+using iText.Layout.Element;
+
+using java.util;
+using org.apache.pdfbox.pdmodel.graphics.xobject;
+using org.apache.pdfbox.pdmodel;
+
+namespace ComicCompressor
+{
+    public class ImageExtractor7
+    {
+        public static readonly String DEST = "K:\\_COMIX\\_TOOLS_\\comic-compress-master\\bin\\Debug\\net6.0\\_NEW_PDF_\\Fan SUP 18.cbz";
+
+        public static readonly String SRC = "K:\\_COMIX\\_TOOLS_\\comic-compress-master\\bin\\Debug\\net6.0\\_PDF_\\Fan SUP 18.pdf";
+
+        public static void Main7()
+        {
+            FileInfo file = new FileInfo(DEST);
+            file.Directory.Create();
+
+            new ImageExtractor7().ManipulatePdf(DEST);
+        }
+
+        protected void ManipulatePdf(String dest)
+        {
+            PdfDocument resultDoc = new PdfDocument(new PdfWriter(dest));
+            PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
+
+            // Assume that there is a single XObject in the source document
+            // and this single object is an image.
+            PdfDictionary pageDict = srcDoc.GetFirstPage().GetPdfObject();
+            PdfDictionary pageResources = pageDict.GetAsDictionary(PdfName.Resources);
+            PdfDictionary pageXObjects = pageResources.GetAsDictionary(PdfName.XObject);
+            var ks = pageXObjects.KeySet();
+            PdfName imgRef = pageXObjects.KeySet().First();
+            PdfStream imgStream = pageXObjects.GetAsStream(imgRef);
+            PdfImageXObject imgObject = new PdfImageXObject((PdfStream)imgStream.CopyTo(resultDoc));
+            Image image = new Image(imgObject);
+            image.ScaleToFit(14400, 14400);
+            image.SetFixedPosition(0, 0);
+            
+
+            srcDoc.Close();
+
+            PageSize pageSize = new PageSize(image.GetImageScaledWidth(), image.GetImageScaledHeight());
+            Document doc = new Document(resultDoc, pageSize);
+            doc.Add(image);
+
+            doc.Close();
+        }
+
+
+        public static void MainBox()
+        {
+            new ImageExtractor7().ManipulatePdf(DEST);
+        }
+
+        protected void ManipulatePdfBox(String dest)
+        {
+            PDDocument document = null;
+            document = PDDocument.load(SRC);
+            java.util.List pages = document.getDocumentCatalog().getAllPages();
+            Iterator iter = pages.iterator();
+            while (iter.hasNext())
+            {
+                PDPage page = (PDPage)iter.next();
+                PDResources resources = page.getResources();
+                Map pageImages = resources.getImages();
+                if (pageImages != null)
+                {
+                    Iterator imageIter = pageImages.keySet().iterator();
+                    while (imageIter.hasNext())
+                    {
+                        String key = (String)imageIter.next();
+                        PDXObjectImage image = (PDXObjectImage)pageImages.get(key);
+                        //image.write2OutputStream(/* some output stream */);
+                    }
+                }
+            }
+        }
+    }
+}