// 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 do output preview.

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 + "output_preview/";
if (!fs.existsSync(output_directory))  {
  fs.mkdirSync(output_directory);
}

let input_file_name = "page_organization_123.pdf";
let input_file_path = input_path + input_file_name;


console.log("Input file path: %s\r\n", input_file_path);

// "default_icc_folder_path" is the path of the folder which contains default icc profile files. Please refer to Developer Guide for more details.
let default_icc_folder_path = "";
if (default_icc_folder_path == "") {
  console.log("default_icc_folder_path is still empty. Please set it with a valid path to the folder which contains default icc profile files.")
  return 1;
}
// Set folder path which contains default icc profile files.
try {
  FSDK.Library.SetDefaultICCProfilesPath(default_icc_folder_path);
} catch (e) {
  console.log(e);
}

try {
  let pdf_doc = new FSDK.PDFDoc(input_file_path);
  pdf_doc.StartLoad("", true, null);
  let pdf_page = pdf_doc.GetPage(0);
  pdf_page.StartParse(FSDK.PDFPage.e_ParsePageNormal, null, false);
  let page_width = pdf_page.GetWidth();
  let page_height = pdf_page.GetHeight();
  let bitmap_width = page_width;
  let bitmap_height = page_height;
  let bitmap_format = FSDK.Bitmap.e_DIBInvalid;
  let background_color = 0x000000;
  if (pdf_page.HasTransparency()) {
    background_color = 0x000000;
    bitmap_format = FSDK.Bitmap.e_DIBArgb;
  } else {
    background_color = 0xFFFFFF;
    bitmap_format = FSDK.Bitmap.e_DIBRgb32;
  }
  let display_matrix = pdf_page.GetDisplayMatrix(0, 0, bitmap_width, bitmap_height, FSDK.e_Rotation0);

  let render_bitmap = new FSDK.Bitmap(bitmap_width, bitmap_height, bitmap_format, null, 0);
  render_bitmap.FillRect(background_color, null);
  let renderer = new FSDK.Renderer(render_bitmap, false);

  let output_preview = new FSDK.OutputPreview(pdf_doc);
  let simulation_icc_file_path = input_path + "icc_profile/USWebCoatedSWOP.icc";
  output_preview.SetSimulationProfile(simulation_icc_file_path);
  output_preview.SetShowType(FSDK.OutputPreview.e_ShowAll);
  let process_plates = output_preview.GetPlates(FSDK.OutputPreview.e_ColorantTypeProcess);
  let spot_plates = output_preview.GetPlates(FSDK.OutputPreview.e_ColorantTypeSpot);

  // Set check status of spot plate to be true, if there's any spot plate.
  for (let i = 0; i < spot_plates.GetSize(); i++) {
    output_preview.SetCheckStatus(spot_plates.GetAt(i), true);
  }

  // Only set one process plate to be checked each time and generate the preview bitmap.
  for (let i = 0; i < process_plates.GetSize(); i++) {
    if (0 != i)
      output_preview.SetCheckStatus(process_plates.GetAt(i-1), false);
    output_preview.SetCheckStatus(process_plates.GetAt(i), true);

    let preview_bitmap = output_preview.GeneratePreviewBitmap(pdf_page, display_matrix, renderer);

    let result_image = new FSDK.Image();
    result_image.AddFrame(preview_bitmap);
    let temp_wide_str = `preview_result_ProcessPlate[${i}]_true.bmp`
    let saved_file_path = output_directory + temp_wide_str;
    result_image.SaveAs(saved_file_path);
  }

  console.log("[END] demo output_preview.");
} catch (e) {
  console.log(e);
}
FSDK.Library.Release();
