HYTOS

using pdftron.PDF;

using pdftron.SDF;

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;

namespace PDF_TO_IMAGE

{

    public partial class ConvertImage : Form

    {

        public ConvertImage()

        {

            InitializeComponent();

            Combo_DPI.Text = Properties.Settings.Default._Dpi;

            Txt_Height.Text = Properties.Settings.Default._Height;

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

        }

        private void Btn_LoadPDF_Click(object sender, EventArgs e)

        {

            OpenFileDialog OFD = new OpenFileDialog();

            OFD.Filter = "PDF Files (.PDF)|*.PDF";

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

            {

                string pdfpath = OFD.FileName;

                Txt_PDFPath.Text = pdfpath;

            }

        }

        private static ImageCodecInfo GetEncoderInfo(String mimeType)

        {

            int j;

            ImageCodecInfo[] encoders;

            encoders = ImageCodecInfo.GetImageEncoders();

            for (j = 0; j < encoders.Length; ++j)

            {

                if (encoders[j].MimeType == mimeType)

                    return encoders[j];

            }

            return null;

        }

        private bool ConvertPdfToImage(string FilePath)

        {

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

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

            using (PDFDoc doc = new PDFDoc(FilePath))

            {

                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, 8L);

                #region 이미지 만들기

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

                {

                    try

                    {

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

                        {

                            float fDpix = 600;

                            float fDpiy = 600;

                            try

                            {fDpix = float.Parse(Combo_DPI.Text);

                            fDpiy = float.Parse(Combo_DPI.Text);}

                            catch

                            {}

                            ElementBuilder bld = new ElementBuilder();

                            ElementWriter writer = new ElementWriter();

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

                            draw.SetAntiAliasing(false);

                            draw.SetDPI(fDpix);

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

                            using (MemoryStream _savestream = new MemoryStream())

                            {

                                try

                                {

                                    newBmp_.Save(_savestream, DefaultImageCodecInfo, DefaultEncoderParameters);

                                    newBmp_ = new Bitmap(_savestream);

                                    ObjSet objset = new ObjSet();

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

                                    string pagePath = sPathNonExtension;

                                    if (i > 1)

                                    {

                                        pagePath = sPathNonExtension + "_" + i;

                                    }

                                    newBmp_.Save(pagePath + "_" + fDpix + ".png");

                                    newBmp_.Dispose();

                                }

                                catch(Exception ex)

                                {

                                }

                            }

                            GC.Collect();

                            GC.WaitForPendingFinalizers();

                        }

                    }

                    catch (Exception ex)

                    {

                       // return false;

                    }

                }

                if(doc.GetPageCount() > 0)

                {

                    MessageBox.Show("변환완료");

                }

                    #endregion

                    return true;

            }

        }

        private void Btn_Convert_Click(object sender, EventArgs e)

        {

            int iDpi = 0;

            if(Txt_PDFPath.Text != "" && int.TryParse(Combo_DPI.Text,out iDpi) == true)

            {

                Properties.Settings.Default._Dpi = Combo_DPI.Text;

                Properties.Settings.Default._Height = Txt_Height.Text;

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

                Properties.Settings.Default.Save();

                ///   ConvertPdfToImage(Txt_PDFPath.Text);

                ///   

                string sPathNonExtension = Txt_PDFPath.Text.Replace(Path.GetExtension(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, 8L);

                    #region 이미지 만들기

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

                    {

                        try

                        {

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

                            {

                                float fDpix = 600;

                                float fDpiy = 600;

                                try

                                {

                                    fDpix = float.Parse(Combo_DPI.Text);

                                    fDpiy = float.Parse(Combo_DPI.Text);

                                }

                                catch

                                { }

                                ElementBuilder bld = new ElementBuilder();

                                ElementWriter writer = new ElementWriter();

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

                                draw.SetAntiAliasing(false);

                                draw.SetDPI(fDpix);

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

                                using (MemoryStream _savestream = new MemoryStream())

                                {

                                    try

                                    {

                                        newBmp_.Save(_savestream, DefaultImageCodecInfo, DefaultEncoderParameters);

                                        newBmp_ = new Bitmap(_savestream);

                                        ObjSet objset = new ObjSet();

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

                                        string pagePath = sPathNonExtension;

                                        if (i > 1)

                                        {

                                            pagePath = sPathNonExtension + "_" + i;

                                        }

                                        newBmp_.Save(pagePath + "_" + fDpix + ".png");

                                        newBmp_.Dispose();

                                    }

                                    catch (Exception ex)

                                    {

                                    }

                                }

                                GC.Collect();

                                GC.WaitForPendingFinalizers();

                            }

                        }

                        catch (Exception ex)

                        {

                            // return false;

                        }

                    }

                    if (doc.GetPageCount() > 0)

                    {

                        MessageBox.Show("변환완료");

                    }

                    #endregion

                }

            }

            else

            {

                MessageBox.Show("PDF 경로와 DPI를 확인해주세요");

            }

        }

    }

}