// Copyright (C) 2003-2026, Foxit Software Inc..
// All Rights Reserved.
//
// http://www.foxitsoftware.com
//
// The following code is copyrighted and contains proprietary information and trade secrets of Foxit Software Inc..
// You cannot distribute any part of Foxit PDF SDK to any third party or general public,
// unless there is a separate license agreement with Foxit Software Inc. which explicitly grants you such rights.
//
// This file contains an example to demonstrate how to use Foxit PDF SDK to mark PDF content and
// get marked content from graphics objects.

import com.foxit.sdk.PDFException;
import com.foxit.sdk.common.Font;
import com.foxit.sdk.common.Library;
import com.foxit.sdk.common.fxcrt.Matrix2D;
import com.foxit.sdk.common.fxcrt.RectF;
import com.foxit.sdk.pdf.PDFDoc;
import com.foxit.sdk.pdf.PDFPage;
import com.foxit.sdk.pdf.graphics.GraphicsObject;
import com.foxit.sdk.pdf.graphics.MarkedContent;
import com.foxit.sdk.pdf.graphics.TextObject;
import com.foxit.sdk.pdf.graphics.TextState;
import com.foxit.sdk.pdf.objects.PDFDictionary;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import static com.foxit.sdk.common.Constants.e_ErrSuccess;
import static com.foxit.sdk.common.Font.e_StdIDTimesB;
import static com.foxit.sdk.pdf.PDFDoc.e_SaveFlagNormal;
import static com.foxit.sdk.pdf.PDFPage.e_ParsePageNormal;
import static com.foxit.sdk.pdf.graphics.GraphicsObject.e_TypeText;
import static com.foxit.sdk.pdf.graphics.TextState.e_ModeFill;

public class marked_content {

    private static String key = "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";
    private static String sn = "Rew1vB0TqoMIxX444UcpScARWdhgJpsJfzmyMLR32a0+EgrCjp2NaQ==";
    private static String output_path = "../output_files/marked_content/";

    // You can also use System.load("filename") instead. The filename argument must be an absolute path name.
    static {
      String os = System.getProperty("os.name").toLowerCase();
      String lib = "fsdk_java_";
      if (os.startsWith("win")) {
          lib += "win";
      } else if (os.startsWith("mac")) {
          lib += "mac";
      } else {
          lib += "linux";
      }
        
      if (System.getProperty("sun.arch.data.model").equals("64")) {
        if(System.getProperty("os.arch").equals("aarch64")){
          if(os.startsWith("mac")){
             lib += "arm";
           }
           else{
             lib += "armv8";
           }
         }
         else{
            lib += "64";
         }
      } else {
         if(System.getProperty("os.arch").equals("arm")){
            lib += "armv7";
         }
         else{
            lib += "32";
         }
      }
      System.loadLibrary(lib);
    }

    private static void createResultFolder(String output_path) {
        File myPath = new File(output_path);
        if (!myPath.exists()) {
            myPath.mkdir();
        }
    }

    static void CreateMarkedContent(PDFPage page) throws PDFException {
        long position = page.getLastGraphicsObjectPosition(e_TypeText);
        TextObject text_object = TextObject.create();
        text_object.setFillColor(0xFF83AF9B);

        // Prepare text state
        TextState state = new TextState();
        state.setFont_size(72.f);
        state.setFont(new Font(e_StdIDTimesB));
        state.setTextmode(e_ModeFill);

        text_object.setTextState(page, state, false, 750);

        text_object.setText("Marked-Content");
        page.insertGraphicsObject(position, text_object);

        RectF rect = text_object.getRect();
        float offset_x = (page.getWidth() - (rect.getRight() - rect.getLeft())) / 2;
        float offset_y = page.getHeight() * 0.618f - (rect.getTop() - rect.getBottom()) / 2;
        text_object.transform(new Matrix2D(1, 0, 0, 1, offset_x, offset_y), false);

        MarkedContent content = text_object.getMarkedContent();
        PDFDictionary span_dict = PDFDictionary.create();
        span_dict.setAtInteger("Direct", 55);
        content.addItem("Span", span_dict);

        // Generate content
        page.generateContent();
    }

    static void GetMarkedContentObject(String pdf_file) throws PDFException, IOException {
        PDFDoc doc = new PDFDoc(pdf_file);
        int ret = doc.load(null);
        if (ret != e_ErrSuccess) {
            System.out.println(String.format("[Failed] Cannot load PDF document %s.\r\n Error message:%d\r\n",
                    pdf_file, ret));
            return;
        }
        PDFPage page = doc.getPage(0);
        page.startParse(e_ParsePageNormal, null, false);
        long position = page.getFirstGraphicsObjectPosition(e_TypeText);
        GraphicsObject text_obj = page.getGraphicsObject(position);
        MarkedContent content = text_obj.getMarkedContent();

        int nCount = content.getItemCount();
        String file_info = output_path + "markedcontent.txt";
        FileWriter text_doc = new FileWriter(file_info, false);
        // Get marked content property
        for (int i = 0; i < nCount; i++) {
            text_doc.write(String.format("index: %d\r\n", i));
            String tag_name = content.getItemTagName(i);
            text_doc.write(String.format("Tag name: %s\r\n", tag_name));
            int mcid = content.getItemMCID(i);
            text_doc.write(String.format("mcid: %d\r\n", mcid));
        }
        text_doc.close();
    }

    public static void main(String[] args) throws PDFException {
        createResultFolder(output_path);
        // Initialize library
        int error_code = Library.initialize(sn, key);
        if (error_code != e_ErrSuccess) {
            System.out.println(String.format("Library Initialize Error: %d\n", error_code));
            return;
        }

        try {
            PDFDoc doc = new PDFDoc();
            PDFPage page = doc.insertPage(0, PDFPage.e_SizeLetter);
            CreateMarkedContent(page);

            String output_file = output_path + "marked-content.pdf";
            doc.saveAs(output_file, e_SaveFlagNormal);

            GetMarkedContentObject(output_file);
            System.out.println("Add marked content to PDF file.");

        } catch (Exception e) {
            e.printStackTrace();
            return;
        }

        Library.release();
    }
}
