// 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 edit paragraph in a PDF document.

import com.foxit.sdk.PDFException;
import com.foxit.sdk.addon.pageeditor.*;
import com.foxit.sdk.common.Library;
import com.foxit.sdk.common.fxcrt.*;
import com.foxit.sdk.pdf.PDFDoc;
import com.foxit.sdk.pdf.PDFPage;
import com.foxit.sdk.common.fxcrt.RectF;
import com.foxit.sdk.common.fxcrt.RectFArray;
import com.foxit.sdk.common.fxcrt.Matrix2D;
import java.io.File;

import static com.foxit.sdk.common.Constants.e_ErrSuccess;

    class IParagraphEditingProviderCallback extends ParagraphEditingProviderCallback
    {
        private  int current_page_index = 0;

        @Override
        public void release() {

        }

        @Override
        public Matrix2D getRenderMatrix(PDFDoc document,int page_index) {

        try {
            PDFPage currentpage = document.getPage(page_index);
            int width = (int) currentpage.getWidth();
            int height = (int) currentpage.getHeight();
            Matrix2D matrix = new Matrix2D();
            matrix = currentpage.getDisplayMatrix(0, 0, width, height, currentpage.getRotation());
            return matrix;
            } catch (PDFException e) {

            e.printStackTrace();
            return null; 
            }
        }

        @Override
        public Object getPageViewHandle(PDFDoc document,int page_index) {

            return null;
        }

        @Override
        public RectF getClientRect(PDFDoc document) {
            return new RectF();
        }

        @Override
        public float getScale(PDFDoc document,int page_index) {
            return 1;
        }

        @Override
        public boolean gotoPageView(PDFDoc document,int page_index, float left, float top) {
            return true;
        }

        @Override
        public Int32Array getVisiblePageIndexArray(PDFDoc document) {
            Int32Array page_array = new Int32Array();
            page_array.add(0);
           return page_array;
        }

        @Override
        public RectF getPageVisibleRect(PDFDoc document,int page_index) {
            return new RectF();
        }

        @Override
        public RectF getPageRect(PDFDoc document,int page_index) {
        try {
             PDFPage currentpage = document.getPage(page_index);
             int width = (int) currentpage.getWidth();
             int height = (int) currentpage.getHeight();
             RectF rect = new RectF(0,height,width,0); ;
             return rect;
            } catch (PDFException e) {

            e.printStackTrace();
            return null; 
            }  

        }

        @Override
        public int getCurrentPageIndex(PDFDoc document) {
            return current_page_index;
        }

        @Override
        public int getRotation(PDFDoc document,int page_index) {
            return 0;
        }

        @Override
        public void invalidateRect(PDFDoc doc,int page_index, RectFArray rectFArray) {
        }

        @Override
        public void addUndoItem(ParagraphEditingUndoItem paragraphEditingUndoItem) {
        }

        @Override
        public void setDocChangeMark(PDFDoc pdfDoc) {
        }

        @Override
        public void notifyTextInputReachLimit(PDFDoc doc,int page_index) {
        }

        public IParagraphEditingProviderCallback(int page_index)
        {
            current_page_index = page_index;
        }
    }

public class paragraph_editing
{
    private static String sn = "Rew1vB0TqoMIxX444UcpScARWdhgJpsJfzmyMLR32a0+EgrCjp2NaQ==";
    private static String key = "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";
    private static String input_path = "../input_files/";
    private static String output_path = "../output_files/paragraph_editing/";
    private static String input_file = input_path + "AboutFoxit.pdf";
    private static String output_file = output_path + "Paragraph_editing.pdf";

    // 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();
        }
    }

    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(input_file);
            error_code = doc.load(null);
            PDFPage page = doc.getPage(0);

            page.startParse(0, null, false);
            float height = page.getHeight();
            if (error_code != e_ErrSuccess)
            {
                System.out.println(String.format("The Doc [%s] Error: %d\n", input_file, error_code));
                return;
            }
             int page_index = page.getIndex();
            IParagraphEditingProviderCallback callback = new IParagraphEditingProviderCallback(page_index);
            ParagraphEditingMgr editingMgr = new ParagraphEditingMgr(callback, doc);
            ParagraphEditing editing = editingMgr.getParagraphEditing();
            if (editing.isEmpty() == true)
                return;
            editing.activate();

            editing.startEditing(0, new PointF(95, height - 728), new PointF(95, height - 728));
            editing.setFontSize(24);
            editing.setUnderline(true);
            editing.insertText("InsertText_Paragraph_editing");
            editing.deactivate();
            doc.saveAs(output_file, PDFDoc.e_SaveFlagNoOriginal);

            //Join&split
            JoinSplit joinSplit = editingMgr.getJoinSplit();
            joinSplit.activate();
            joinSplit.onLButtonDown(0, new PointF(289, 659));
            joinSplit.onLButtonUp(0, new PointF(289, 659));
            joinSplit.splitBoxes();
            joinSplit.deactivate();
            String output_path_split = output_path + "Split_Boxes.pdf";
            doc.saveAs(output_path_split, PDFDoc.e_SaveFlagNoOriginal);

            joinSplit.activate();
            joinSplit.onLButtonDown(0, new PointF(307, height - 637));
            joinSplit.onLButtonUp(0, new PointF(307, height - 637));
            joinSplit.onLButtonDown(0, new PointF(307, height - 453));
            joinSplit.onLButtonUp(0, new PointF(307, height - 453));
            joinSplit.joinBoxes();
            joinSplit.deactivate();
            String output_path_join = output_path + "Join_Boxes.pdf";
            doc.saveAs(output_path_join, PDFDoc.e_SaveFlagNoOriginal);

            System.out.println("Paragraph editing successfully.");

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

        Library.release();
    }
}
