HYTOS

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Drawing.Imaging;

using System.IO;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using DevExpress.Pdf;

namespace PDF_TO_IMAGE

{

    public partial class ConvertImage : Form

    {

        public ConvertImage()

        {

            InitializeComponent();

            Combo_Scale.SelectedIndex = Properties.Settings.Default._Scale;

            Combo_LengthType.SelectedIndex = Properties.Settings.Default._LengthType;

            Txt_Length.Text = Properties.Settings.Default._Length;

            Chk_Scale.Checked = Properties.Settings.Default._UseScale;

            SacleCheckedChange();

        }

        private void ConvertImage_FormClosing(object sender, FormClosingEventArgs e)

        {

            Properties.Settings.Default._Scale = Combo_Scale.SelectedIndex;

            Properties.Settings.Default._LengthType = Combo_LengthType.SelectedIndex;

            Properties.Settings.Default._Length = Txt_Length.Text;

            Properties.Settings.Default._UseScale = Chk_Scale.Checked;

            Properties.Settings.Default.Save();

        }

        private void Btn_LoadPDF_Click(object sender, EventArgs e)

        {

            OpenFileDialog OFD = new OpenFileDialog() { Filter = "PDF Files (.PDF)|*.PDF" };

            if (OFD.ShowDialog() == DialogResult.OK)

            {

                string pdfpath = OFD.FileName;

                Txt_PDFPath.Text = pdfpath;

            }

        }

        private void Chk_Scale_CheckedChanged(object sender, EventArgs e)

        {

            SacleCheckedChange();

        }

        private void SacleCheckedChange()

        {

            if (Chk_Scale.Checked)

            {

                Txt_Length.Enabled = false;

                Combo_LengthType.Enabled = false;

                Combo_Scale.Enabled = true;

            }

            else

            {

                Txt_Length.Enabled = true;

                Combo_LengthType.Enabled = true;

                Combo_Scale.Enabled = false;

            }

        }

        private void Btn_Convert_Click(object sender, EventArgs e)

        {

            int iScale = 0;

            double iLength = 0;

            bool bResult = true;

            string sFilePath = Txt_PDFPath.Text;

            if (Chk_Scale.Checked)

                iScale = Convert.ToInt32(Combo_Scale.SelectedItem.ToString().Split(new char[] { ' ' })[1]);

            else

            {

                if (!double.TryParse(Txt_Length.Text, out iLength) || iLength < 300)

                    bResult = false;

            }

            if (!File.Exists(sFilePath))

                bResult = false;

            if (bResult)

            {

                string sPathNonExtension = Txt_PDFPath.Text.Replace(Path.GetExtension(Txt_PDFPath.Text), "");

                PdfDocumentProcessor pdp = new PdfDocumentProcessor();

                pdp.LoadDocument(sFilePath);

                try

                {

                    for (int i = 0; i < pdp.Document.Pages.Count; i++)

                    {

                        PdfPage page = pdp.Document.Pages[i];

                        double dWidth = page.CropBox.Width;

                        double dHeight = page.CropBox.Height;

                        if (Chk_Scale.Checked)

                        {

                            dWidth = dWidth * iScale;

                            dHeight = dHeight * iScale;

                        }

                        else

                        {

                            if (Combo_LengthType.SelectedItem.ToString() == "Width")

                            {

                                double dScale = dWidth / iLength;

                                dWidth = iLength;

                                dHeight = dHeight / dScale;

                            }

                            else

                            {

                                double dScale = dHeight / iLength;

                                dHeight = iLength;

                                dWidth = dWidth / dScale;

                            }

                        }

                        double dMax = Math.Max(dWidth, dHeight);

                        using (Bitmap bitmap = pdp.CreateBitmap(i + 1, (int)dMax))

                        {

                            bitmap.Save(sPathNonExtension + "_Page" + (i + 1) + ".png");

                        }

                    }

                    MessageBox.Show("변환완료");

                }

                catch (Exception ex)

                {

                    MessageBox.Show("변환 이미지의 사이즈를 줄여주십시오");

                }

                pdp.CloseDocument();

            }

            else

            {

                MessageBox.Show("PDF 경로와 Scale 또는 Width or Height를 확인해주세요");

            }

                //Properties.Settings.Default._Dpi = Combo_Scale.Text;

                //Properties.Settings.Default._Height = Txt_Length.Text;

                //Properties.Settings.Default._Width = Txt_Width.Text;

                //Properties.Settings.Default.Save();

                /////   ConvertPdfToImage(Txt_PDFPath.Text);

                /////   

                //pdftron.PDFNet.Initialize("daelim.co.kr(Doftech Corp):CPU:2::W:AMC(20120315):EF6E886F25A414FFB5F8C1F2999CF2DA33DC6C5164315BAF7011B87AF0FA");

                //using (PDFDoc doc = new PDFDoc(Txt_PDFPath.Text))

                //{

                //    ImageCodecInfo DefaultImageCodecInfo = GetEncoderInfo("image/png");

                //    EncoderParameters DefaultEncoderParameters = new EncoderParameters(2);

                //    System.Drawing.Imaging.Encoder QualityEncoder = System.Drawing.Imaging.Encoder.Quality;

                //    System.Drawing.Imaging.Encoder ColorDepthEncoder = System.Drawing.Imaging.Encoder.ColorDepth;

                //    DefaultEncoderParameters.Param[0] = new EncoderParameter(QualityEncoder, 100L);

                //    DefaultEncoderParameters.Param[1] = new EncoderParameter(ColorDepthEncoder, 1L);

                //    #region 이미지 만들기

                //    for (int i = 1; i < doc.GetPageCount() + 1; i++)

                //    {

                //        string sFileName = "";

                //        string pagePath = sPathNonExtension;

                //        if (i > 1)

                //        {

                //            pagePath = sPathNonExtension + "_" + i;

                //        }

                //        try

                //        {

                //            using (pdftron.PDF.PDFDraw draw = new pdftron.PDF.PDFDraw())

                //            {

                //                ElementBuilder bld = new ElementBuilder();

                //                ElementWriter writer = new ElementWriter();

                //                if (Chk_Scale.Checked)

                //                {

                //                    float fDpix = 600;

                //                    float fDpiy = 600;

                //                    try

                //                    {

                //                        fDpix = float.Parse(Combo_Scale.Text);

                //                        fDpiy = float.Parse(Combo_Scale.Text);

                //                    }

                //                    catch

                //                    { }

                //                    var rotation = doc.GetPage(i).GetRotation();

                //                    draw.SetDPI(fDpix);

                //                    sFileName = pagePath + "_" + fDpix + ".jpeg";

                //                }

                //                else

                //                {    

                //                    var widthData =int.Parse(Txt_Width.Text);

                //                    int heightData = int.Parse(Txt_Length.Text);

                //                    var rotation = doc.GetPage(i).GetRotation();

                //                    draw.SetImageSize(widthData, heightData, true);

                //                    sFileName = pagePath + "_" + widthData + "_" + heightData + ".png";

                //                }

                //                draw.SetAntiAliasing(false);

                //                draw.SetImageSmoothing(false);

                //                Bitmap newBmp_ = draw.GetBitmap(doc.GetPage(i));

                //                using (MemoryStream _savestream = new MemoryStream())

                //                {

                //                    try

                //                    {

                //                        newBmp_.Save(_savestream, DefaultImageCodecInfo, DefaultEncoderParameters);

                //                        using (Bitmap bmpImage = new Bitmap(_savestream))

                //                        {

                //                            ObjSet objset = new ObjSet();

                //                            Obj jbig2_hint = objset.CreateName("png");

                //                            bmpImage.Save(sFileName, ImageFormat.Png);

                //                            bmpImage.Dispose();

                //                            // Do something with the Bitmap object

                //                        }

                //                    }

                //                    catch (Exception ex)

                //                    {

                //                        MessageBox.Show("err" + "\n" + ex.ToString() + "\n" + ex.Message);

                //                    }

                //                }

                //                GC.Collect();

                //                GC.WaitForPendingFinalizers();

                //            }

                //        }

                //        catch (Exception ex)

                //        {

                //            MessageBox.Show("err2" + "\n" + ex.ToString() + "\n" + ex.Message);

                //            // return false;

                //        }

                //    }

                //    if (doc.GetPageCount() > 0)

                //    {

                //        MessageBox.Show("변환완료");

                //    }

                //    #endregion

                //}

        }

    }

}