hytos / DTI_PID / PDF_TO_IMAGE / ConvertImage.cs @ c47ad347
이력 | 보기 | 이력해설 | 다운로드 (17.4 KB)
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using System; |
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using System.Collections.Generic; |
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using System.ComponentModel; |
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using System.Data; |
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using System.Drawing; |
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using System.Drawing.Imaging; |
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using System.IO; |
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using System.Linq; |
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using System.Text; |
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using System.Threading.Tasks; |
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using System.Windows.Forms; |
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using DevExpress.Pdf; |
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|
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namespace PDF_TO_IMAGE |
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{
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public partial class ConvertImage : Form |
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{
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public ConvertImage() |
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{
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InitializeComponent(); |
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Combo_Scale.SelectedIndex = Properties.Settings.Default._Scale; |
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Combo_LengthType.SelectedIndex = Properties.Settings.Default._LengthType; |
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Txt_Length.Text = Properties.Settings.Default._Length; |
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Chk_Scale.Checked = Properties.Settings.Default._UseScale; |
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SacleCheckedChange(); |
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} |
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|
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private void ConvertImage_FormClosing(object sender, FormClosingEventArgs e) |
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{
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Properties.Settings.Default._Scale = Combo_Scale.SelectedIndex; |
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Properties.Settings.Default._LengthType = Combo_LengthType.SelectedIndex; |
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Properties.Settings.Default._Length = Txt_Length.Text; |
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Properties.Settings.Default._UseScale = Chk_Scale.Checked; |
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Properties.Settings.Default.Save(); |
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} |
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private void Btn_LoadPDF_Click(object sender, EventArgs e) |
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{
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FolderBrowserDialog dia = new FolderBrowserDialog(); |
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if (dia.ShowDialog() == DialogResult.OK) |
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{
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Txt_PDFPath.Text = dia.SelectedPath; |
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} |
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return; |
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OpenFileDialog OFD = new OpenFileDialog() { Filter = "PDF Files (.PDF)|*.PDF" };
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OFD.Multiselect = true; |
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if (OFD.ShowDialog() == DialogResult.OK) |
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{
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if (OFD.FileNames.Length > 1) |
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{
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if (MessageBox.Show("Do you want to merge files into one?", "Question", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)
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{
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SaveFileDialog saveFileDialog = new SaveFileDialog(); |
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saveFileDialog.Filter = "PDF Files (.PDF)|*.PDF"; |
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if (saveFileDialog.ShowDialog() == DialogResult.OK) |
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{
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int iScale = 0; |
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double iLength = 0; |
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bool bResult = true; |
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if (Chk_Scale.Checked) |
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iScale = Convert.ToInt32(Combo_Scale.SelectedItem.ToString().Split(new char[] { ' ' })[1]);
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else |
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{
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if (!double.TryParse(Txt_Length.Text, out iLength) || iLength < 300) |
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bResult = false; |
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|
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} |
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|
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if (bResult) |
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{
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splashScreenManager1.ShowWaitForm(); |
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splashScreenManager1.SetWaitFormCaption("Convert Pdf File to Image Files");
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PdfDocumentProcessor pdp = new PdfDocumentProcessor(); |
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pdp.CreateEmptyDocument(); |
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foreach (var fileName in OFD.FileNames) |
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{
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PdfDocumentProcessor selectFile = new PdfDocumentProcessor(); |
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selectFile.LoadDocument(fileName); |
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foreach (var page in selectFile.Document.Pages) |
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pdp.Document.Pages.Add(page); |
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selectFile.CloseDocument(); |
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selectFile.Dispose(); |
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selectFile = null; |
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} |
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pdp.SaveDocument(saveFileDialog.FileName); |
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string sPathNonExtension = saveFileDialog.FileName.Replace(Path.GetExtension(saveFileDialog.FileName), ""); |
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try |
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{
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int iPage = pdp.Document.Pages.Count; |
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string sPage = iPage.ToString(); |
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for (int i = 0; i < pdp.Document.Pages.Count; i++) |
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{
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int iPercent = i * 100 / iPage; |
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splashScreenManager1.SetWaitFormDescription(i + " / " + sPage + " Pages ( " + iPercent + "% )"); |
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PdfPage page = pdp.Document.Pages[i]; |
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double dWidth = page.CropBox.Width; |
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double dHeight = page.CropBox.Height; |
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if (Chk_Scale.Checked) |
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{
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dWidth = dWidth * iScale; |
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dHeight = dHeight * iScale; |
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} |
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else |
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{
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if (Combo_LengthType.SelectedItem.ToString() == "Width") |
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{
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double dScale = dWidth / iLength; |
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dWidth = iLength; |
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dHeight = dHeight / dScale; |
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} |
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else |
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{
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double dScale = dHeight / iLength; |
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dHeight = iLength; |
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dWidth = dWidth / dScale; |
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} |
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} |
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double dMax = Math.Max(dWidth, dHeight); |
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using (Bitmap bitmap = pdp.CreateBitmap(i + 1, (int)dMax)) |
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{
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bitmap.Save(sPathNonExtension + "_Page" + (i + 1) + ".png"); |
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} |
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iPercent = (i + 1) * 100 / iPage; |
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splashScreenManager1.SetWaitFormDescription((i + 1) + " / " + sPage + " Pages ( " + iPercent + "% )"); |
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} |
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MessageBox.Show("Finished");
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} |
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catch (Exception ex) |
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{
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MessageBox.Show("Please reduce the size of the converted image");
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} |
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pdp.CloseDocument(); |
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splashScreenManager1.CloseWaitForm(); |
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} |
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else |
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{
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MessageBox.Show("Please check PDF path and Scale or Width or Height");
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} |
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} |
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} |
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} |
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else |
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{
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string pdfpath = OFD.FileName; |
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Txt_PDFPath.Text = pdfpath; |
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} |
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} |
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} |
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private void Chk_Scale_CheckedChanged(object sender, EventArgs e) |
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{
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SacleCheckedChange(); |
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} |
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private void SacleCheckedChange() |
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{
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if (Chk_Scale.Checked) |
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{
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Txt_Length.Enabled = false; |
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Combo_LengthType.Enabled = false; |
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Combo_Scale.Enabled = true; |
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} |
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else |
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{
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Txt_Length.Enabled = true; |
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Combo_LengthType.Enabled = true; |
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Combo_Scale.Enabled = false; |
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} |
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} |
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|
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/// <summary> |
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/// export selected all pdf files to image files |
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/// </summary> |
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/// <param name="sender"></param> |
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/// <param name="e"></param> |
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private void Btn_Convert_Click(object sender, EventArgs e) |
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{
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int iScale = 0; |
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double iLength = 0; |
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bool bResult = true; |
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string sFilePath = Txt_PDFPath.Text; |
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if (Chk_Scale.Checked) |
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iScale = Convert.ToInt32(Combo_Scale.SelectedItem.ToString().Split(new char[] { ' ' })[1]);
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else |
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{
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if (!double.TryParse(Txt_Length.Text, out iLength) || iLength < 300) |
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bResult = false; |
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} |
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if (System.IO.Directory.Exists(sFilePath) && bResult) |
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{
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DirectoryInfo directory = new DirectoryInfo(Txt_PDFPath.Text); |
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if (directory.Exists) |
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{
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bool result = true; |
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foreach (var item in directory.GetFiles("*.pdf", SearchOption.TopDirectoryOnly))
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{
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string sPathWithoutExt = Path.Combine(Path.GetDirectoryName(item.FullName), Path.GetFileNameWithoutExtension(item.FullName)); |
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using (PdfDocumentProcessor pdp = new PdfDocumentProcessor()) |
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{
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pdp.LoadDocument(item.FullName, true); |
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/// read all words from pdf file |
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Dictionary<int, List<PageWord>> PageWordMap = new Dictionary<int, List<PageWord>>(); |
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PdfPageWord currentWord = pdp.NextWord(); |
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while (currentWord != null) |
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{
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PageWord word = new PageWord(currentWord); |
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if(!PageWordMap.ContainsKey(word.PageNumber)) |
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{
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PageWordMap[word.PageNumber] = new List<PageWord>(); |
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} |
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PageWordMap[word.PageNumber].Add(word); |
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//Switch to the next word |
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currentWord = pdp.NextWord(); |
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} |
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/// up to here |
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splashScreenManager1.ShowWaitForm(); |
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splashScreenManager1.SetWaitFormCaption("Convert Pdf File to Image Files");
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try |
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{
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int iPage = pdp.Document.Pages.Count; |
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string sPage = iPage.ToString(); |
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for (int i = 0; i < pdp.Document.Pages.Count; i++) |
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{
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int iPercent = i * 100 / iPage; |
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splashScreenManager1.SetWaitFormDescription(i + " / " + sPage + " Pages ( " + iPercent + "% )"); |
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PdfPage page = pdp.Document.Pages[i]; |
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double dWidth = page.CropBox.Width; |
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double dHeight = page.CropBox.Height; |
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System.Drawing.Drawing2D.Matrix mat = new System.Drawing.Drawing2D.Matrix(); |
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mat.Rotate(page.Rotate); |
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if (page.Rotate == 90 || page.Rotate == 270) |
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{
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double tempValue = dWidth; |
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dWidth = dHeight; |
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dHeight = tempValue; |
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} |
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double dScale = iScale; |
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if (Chk_Scale.Checked) |
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{
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dWidth = dWidth * iScale; |
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dHeight = dHeight * iScale; |
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} |
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else |
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{
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if (Combo_LengthType.SelectedItem.ToString() == "Width") |
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{
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dScale = iLength / dWidth; |
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dWidth = iLength; |
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dHeight = dHeight * dScale; |
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} |
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else |
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{
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dScale = iLength / dHeight; |
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dHeight = iLength; |
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dWidth = dWidth * dScale; |
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} |
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} |
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double dMax = Math.Max(dWidth, dHeight); |
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using (Bitmap bitmap = pdp.CreateBitmap(i + 1, (int)dMax)) |
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{
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if (pdp.Document.Pages.Count != 1) |
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bitmap.Save(sPathWithoutExt + "_Page" + (i + 1) + ".png", System.Drawing.Imaging.ImageFormat.Png); |
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else |
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bitmap.Save(sPathWithoutExt + ".png", System.Drawing.Imaging.ImageFormat.Png); |
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} |
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/// save text to file |
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if (PageWordMap.ContainsKey(i + 1)) |
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{
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System.Xml.XmlDocument xmlDoc = new System.Xml.XmlDocument(); |
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System.Xml.XmlNode xmlRoot = xmlDoc.CreateElement("Texts");
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foreach (PageWord word in PageWordMap[i + 1]) |
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{
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System.Xml.XmlNode xmlText = xmlDoc.CreateElement("Text");
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System.Xml.XmlAttribute pos = xmlDoc.CreateAttribute("Position");
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PointF[] array = { new PointF((float)(word.Left * dScale), (float)(word.Top * dScale)) };
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mat.TransformPoints(array); |
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pos.Value = $"{System.Math.Abs(array[0].X)},{System.Math.Abs(array[0].Y)}";
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xmlText.Attributes.Append(pos); |
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System.Xml.XmlAttribute angle = xmlDoc.CreateAttribute("Angle");
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double dAngle = (word.Angle - page.Rotate) >= 0 ? (word.Angle - page.Rotate) : 360 + (word.Angle - page.Rotate); |
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angle.Value = $"{dAngle}";
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xmlText.Attributes.Append(angle); |
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System.Xml.XmlAttribute xmlWidth = xmlDoc.CreateAttribute("Width");
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xmlWidth.Value = $"{word.Width * dScale}";
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xmlText.Attributes.Append(xmlWidth); |
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System.Xml.XmlAttribute xmlHeight = xmlDoc.CreateAttribute("Height");
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xmlHeight.Value = $"{word.Height * dScale}";
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xmlText.Attributes.Append(xmlHeight); |
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xmlText.InnerText = word.Text; |
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xmlRoot.AppendChild(xmlText); |
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} |
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xmlDoc.AppendChild(xmlRoot); |
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xmlDoc.Save($"{sPathWithoutExt}_Page{i + 1}.xml");
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} |
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/// up to here |
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iPercent = (i + 1) * 100 / iPage; |
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splashScreenManager1.SetWaitFormDescription((i + 1) + " / " + sPage + " Pages ( " + iPercent + "% )"); |
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} |
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} |
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catch (Exception ex) |
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{
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result = false; |
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MessageBox.Show("Please check the error : " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
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break; |
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} |
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pdp.CloseDocument(); |
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splashScreenManager1.CloseWaitForm(); |
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} |
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} |
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if (result) |
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this.labelStatus.Text = "Finished"; |
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} |
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else |
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{
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MessageBox.Show("Please check PDF path and Scale or Width or Height");
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} |
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} |
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else |
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{
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MessageBox.Show("Please check PDF path and Scale or Width or Height");
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} |
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} |
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} |
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} |
