// 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 is a demo to demonstrate how to use matrix to translate, scale... objects.

const FSDK = require("@foxitsoftware/foxit-pdf-sdk-node");
const fs = require('fs');
const os = require('os');
const path = require('path');
const util = require('util');

var sn = "bPxThFlBAYifO3yiW0C51bKbjPap1zHaf5aG5sX378TjFvB7Q0802A==";
var key = "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";

const input_path = "../input_files/";
const output_path = "../output_files/";

let error_code = FSDK.Library.Initialize(sn, key);
if (FSDK.e_ErrSuccess != error_code) {
  if (FSDK.e_ErrInvalidLicense == error_code)
    console.log("[Failed] Current used Foxit PDF SDK key information is invalid.");
  else
    console.log("Library Initialize Error: %d", FSDK.e_ErrSuccess);
  return;
}

let output_directory = output_path + "matrix/";
if (!fs.existsSync(output_directory))  {
  fs.mkdirSync(output_directory);
}

let input_file = input_path + "SamplePDF.pdf";

try {
  doc = new FSDK.PDFDoc(input_file);
  let error_code = doc.Load("");
  if (error_code != FSDK.e_ErrSuccess) {
    console.log("The Doc [%s] Error: %d\n", input_file, error_code);
    return;
  }
  // Get and parse page.
  let page = doc.GetPage(0);
  page.StartParse(FSDK.PDFPage.e_ParsePageNormal, null, false);
  let pos = page.GetFirstGraphicsObjectPosition(FSDK.GraphicsObject.e_TypeAll);
  let flag = 0;
  while(pos) {
    if(flag == (2 | 4))
      break;
    let obj = page.GetGraphicsObject(pos);
    pos = page.GetNextGraphicsObjectPosition(pos, FSDK.GraphicsObject.e_TypeAll);
    let type = obj.GetType();
    let start_x = 0;
    // Get one TextObject or one ImageObject.
    if(type == FSDK.GraphicsObject.e_TypeText && !(flag & 2)) {
      let text_obj = obj.GetTextObject();
      let text = text_obj.GetText();
      if(text != "Foxit Software Incorporated"){
        continue;
      }
      start_x = 400.0;
      flag |= 2;
    } else if(type == FSDK.GraphicsObject.e_TypeImage && !(flag & 4)) {
      start_x = 150.0;
      flag |= 4;
    }else{
      continue;
    }

    // Now we have found the TextObject or the ImageObject, transform them.
    let clone_obj1 = obj.Clone();
    let matrix = clone_obj1.GetMatrix();
    // Translate the matrix in vertical direction.
    matrix.Translate(0, 150, false);
    clone_obj1.SetMatrix(matrix);
    page.InsertGraphicsObject(null, clone_obj1);

    let clone_obj2 = obj.Clone();
    matrix = clone_obj2.GetMatrix();
    let d = matrix.d;
    let e = matrix.e;
    let f = matrix.f;
    // Translate it to the original point(0,0) first
    matrix.Translate(-e, -f, false);
    // Rotate the matrix 90 degree in anticlockwise direction.
    matrix.Rotate(1.57, false);
    //Page rotation should be considered, assume that the current page rotation is 0.
    let distance = d;
    if(type == FSDK.GraphicsObject.e_TypeText)
    {
      let obj_rect = obj.GetRect();
      distance = obj_rect.top - obj_rect.bottom;
    }
    // Translate it to the specific coordinate(start_x,400)
    matrix.Translate(distance + start_x , 400, false);
    clone_obj2.SetMatrix(matrix);
    page.InsertGraphicsObject(null, clone_obj2);

    let clone_obj3 = obj.Clone();
    matrix = clone_obj3.GetMatrix();
    // Translate it to the original point(0,0) first
    matrix.Translate(-e, -f, false);
    // Magnify the matrix 1.5 times in both horizontal and vertical directions.
    matrix.Scale(1.5, 1.5, false);
    // Translate it to the specific coordinate(start_x,600)
    matrix.Translate(start_x, 600.0, false);
    clone_obj3.SetMatrix(matrix);
    page.InsertGraphicsObject(null, clone_obj3);

    let clone_obj4 = obj.Clone();
    matrix = clone_obj4.GetMatrix();
    // Translate it to the original point(0,0) first
    matrix.Translate(-e, -f, false);
    // Skews the x axis by an angle 0.5 and the y axis by an angle 0.5.
    matrix.Shear(0.5, 0.5, false);
    // Translate it to the specific coordinate(start_x,800)
    matrix.Translate(start_x, 800.0, false);
    clone_obj4.SetMatrix(matrix);
    page.InsertGraphicsObject(null, clone_obj4);
  }
  // Generate the page content
  page.GenerateContent();

  // Save the pdf document
  doc.SaveAs(output_directory + "/MatrixTransformResult.pdf", FSDK.PDFDoc.e_SaveFlagNormal);
  console.log("Matrix demo.");

} catch (e) {
  console.log(e)
}
FSDK.Library.Release();