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

var sn = "Rew1vB0TqoMIxX444UcpScARWdhgJpsJfzmyMLR32a0+EgrCjp2NaQ==";
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();