// 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 Foxit PDF SDK to do output preview.

using System;

using foxit;
using foxit.common;
using foxit.common.fxcrt;
using foxit.pdf;
using System.IO;
using System.Runtime.InteropServices;

namespace output_previewCS
{
    class pdf2image
    {
        private const string input_path = "../input_files/";
        private const string output_path = "../output_files/output_preview/";

        static void Main(string[] args)
        {
            System.IO.Directory.CreateDirectory(output_path);

            string sn = "Rew1vB0TqoMIxX444UcpScARWdhgJpsJfzmyMLR32a0+EgrCjp2NaQ==";
            string key = "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";
            // Initialize library
            ErrorCode error_code = Library.Initialize(sn, key);
            if (error_code != ErrorCode.e_ErrSuccess)
            {
                Console.WriteLine("Library Initialize Error: {0}\n", error_code);
                return;
            }

            try
            {
                // "default_icc_folder_path" is the path of the folder which contains default icc profile files. Please refer to Developer Guide for more details.
                string default_icc_folder_path = "";
                if (default_icc_folder_path.Length < 1)
                {
                    Console.WriteLine("default_icc_folder_path is still empty. Please set it with a valid path to the folder which contains default icc profile files.");
                    return;
                }
                // Set folder path which contains default icc profile files.
                Library.SetDefaultICCProfilesPath(default_icc_folder_path);

                string input_file = input_path + "page_organization_123.pdf";
                using (PDFDoc pdf_doc = new PDFDoc(input_file))
                {
                    error_code = pdf_doc.Load(null);
                    if (error_code != ErrorCode.e_ErrSuccess)
                    {
                        Console.WriteLine("The PDFDoc [{0}] Error: {1}\n", input_file, error_code);
                        Library.Release();
                        return;
                    }
                    using (PDFPage pdf_page = pdf_doc.GetPage(0))
                    {
                        pdf_page.StartParse((int)foxit.pdf.PDFPage.ParseFlags.e_ParsePageNormal, null, false);
                        float page_width = (int)(pdf_page.GetWidth());
                        float page_height = (int)(pdf_page.GetHeight());
                        int bitmap_width = (int)page_width;
                        int bitmap_height = (int)page_height;
                        foxit.common.Bitmap.DIBFormat pixel_format = foxit.common.Bitmap.DIBFormat.e_DIBInvalid;
                        uint background_color = 0;
                        if (!pdf_page.HasTransparency())
                        {
                            background_color = 0x000000;
                            pixel_format = foxit.common.Bitmap.DIBFormat.e_DIBArgb;
                        }
                        else
                        {
                            background_color = 0xFFFFFF;
                            pixel_format = foxit.common.Bitmap.DIBFormat.e_DIBRgb32;
                        }
                        Matrix2D display_matrix = pdf_page.GetDisplayMatrix(0, 0, bitmap_width, bitmap_height, Rotation.e_Rotation0);

                        using (foxit.common.Bitmap bitmap = new foxit.common.Bitmap(bitmap_width, bitmap_height, pixel_format, System.IntPtr.Zero, 0))
                        {
                            bitmap.FillRect(background_color, new RectI());
                            using (Renderer renderer = new Renderer(bitmap, false))
                            {
                                using (OutputPreview output_preview = new OutputPreview(pdf_doc))
                                {
                                    string simulation_icc_file_path = input_path + "icc_profile/USWebCoatedSWOP.icc";
                                    output_preview.SetSimulationProfile(simulation_icc_file_path);
                                    output_preview.SetShowType(OutputPreview.ShowType.e_ShowAll);
                                    StringArray process_plates = output_preview.GetPlates(OutputPreview.ColorantType.e_ColorantTypeProcess);
                                    StringArray spot_plates = output_preview.GetPlates(OutputPreview.ColorantType.e_ColorantTypeSpot);

                                    // Set check status of spot plate to be true, if there's any spot plate.
                                    for (uint 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 (uint 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);

                                        using (foxit.common.Bitmap preview_bitmap = output_preview.GeneratePreviewBitmap(pdf_page, display_matrix, renderer))
                                        {
                                          using (foxit.common.Image result_image = new foxit.common.Image())
                                          {
                                            result_image.AddFrame(preview_bitmap);
                                            string saved_file_path = output_path + string.Format("preview_result_ProcessPlate[{0}]_true.bmp", i);
                                            result_image.SaveAs(saved_file_path);
                                          }
                                        }
                                    }
                                }
                            }
                          }
                    }
                }
                Console.WriteLine("[END] demo ouput_preview\n");
            }
            catch (foxit.PDFException e)
            {
                Console.WriteLine(e.Message);
            }

            Library.Release();
        }
    }
}
