/// <summary>
/// Gets text from a PDF based that is within a given area.
/// </summary>
/// <param name="pdfFilePath">PDF location on disk.</param>
/// <param name="cropAreaInfo">Percentual area which is to be extracted.</param>
/// <param name="pdfPageSizeInfo">Size information of the PDF file. Used to calculate absolute area from percental area.</param>
/// <returns></returns>
public async Task <string> GetTextFromPdf(string pdfFilePath, PercentalAreaInfo cropAreaInfo, PdfPageSizeInfo pdfPageSizeInfo)
{
var pdfInfo = pdfPageSizeInfo;
var x = (int)Math.Round(cropAreaInfo.TopLeftX * pdfInfo.SizeX, 0);
var y = (int)Math.Round(cropAreaInfo.TopLeftY * pdfInfo.SizeY, 0);
var W = (int)Math.Round(cropAreaInfo.Width * pdfInfo.SizeX, 0);
var H = (int)Math.Round(cropAreaInfo.Height * pdfInfo.SizeY, 0);
var pdfToTextOptions = " -f " + cropAreaInfo.PageNumber + " -l " + cropAreaInfo.PageNumber + " -x " + x + " -y " + y + " -W " + W + " -H " + H + " -layout -nopgbrk ";
var retVal = await GetTextFromPdf(pdfFilePath, false, pdfToTextOptions);
// Remove last line break, as it is added by poppler and does not represent the selected area
if (retVal.Length > 1)
{
retVal = retVal.Remove(retVal.Length - 2);
}
if (retVal is null)
{
retVal = string.Empty;
}
return(retVal);
}
private async void pictureBox1_MouseUp(object sender, MouseEventArgs e)
{
isMouseDown = false;
if (string.IsNullOrWhiteSpace(this.pdfPath) == false)
{
var rect = GetRectangleOnImageFromLastPoint(e.Location);
var crop = new PercentalAreaInfo()
{
PageNumber = activePageIndex + 1,
TopLeftX = (float)(rect.X) / (float)(pictureBox1.Image.Width),
TopLeftY = (float)(rect.Y) / (float)(pictureBox1.Image.Height),
Height = (float)(rect.Height) / (float)(pictureBox1.Image.Height),
Width = (float)(rect.Width) / (float)(pictureBox1.Image.Width)
};
var rectText = await PdfTextLoader.GetTextFromPdf(pdfPath, crop);
tooltip.Hide(this);
FireTextSelected(rectText, crop.PageNumber, crop.TopLeftX, crop.TopLeftY, crop.Width, crop.Height);
if (string.IsNullOrEmpty(rectText) == false)
{
Clipboard.SetText(rectText);
}
tooltip.Show(rectText, this, this.PointToClient(Control.MousePosition), 5000);
}
lastPoint = Point.Empty;
}
/// <summary>
/// Changes or defines a new value area
/// </summary>
/// <param name="areaInfo">percental area info</param>
public void ChangeValueArea(PercentalAreaInfo areaInfo)
{
this.ValueArea = areaInfo;
txtRegexOrPosition.Text = "page\t" + areaInfo.PageNumber + Environment.NewLine + "x\t" + Math.Round(areaInfo.TopLeftX * 100, 1) + " %"
+ Environment.NewLine + "y\t" + Math.Round(areaInfo.TopLeftY * 100, 1) + " %" + Environment.NewLine + "width\t" + Math.Round(areaInfo.Width * 100, 1) + " %"
+ Environment.NewLine + "height\t" + Math.Round(areaInfo.Height * 100, 1) + " %";
}
public async Task <string> GetTextFromPdf(string pdfFilePath, int pageNumber, float percentalLeftX, float percentalTopY, float percentalWidth, float percentalHeigth)
{
var cropArea = new PercentalAreaInfo()
{
PageNumber = pageNumber,
TopLeftX = percentalLeftX,
TopLeftY = percentalTopY,
Width = percentalWidth,
Height = percentalHeigth
};
return(await AreaLoader.GetTextFromPdf(pdfFilePath, cropArea));
}
public void FireTextSelected(string selectedText, int pageNumber, float percentalTopLeftX, float percentalTopLeftY, float percentalWidth, float percentalHeight)
{
var areaInfo = new PercentalAreaInfo()
{
PageNumber = pageNumber,
TopLeftX = percentalTopLeftX,
TopLeftY = percentalTopLeftY,
Width = percentalWidth,
Height = percentalHeight
};
TextSelected?.Invoke(selectedText, areaInfo);
}
/// <summary>
/// Changes or defines a new value area
/// </summary>
/// <param name="positionHelperID">ID of the area position, which shall be changed</param>
/// <param name="areaInfo">percental area info</param>
public void ChangeValueArea(Guid positionHelperID, PercentalAreaInfo areaInfo)
{
foreach (Control control in flowLayoutPanel1.Controls)
{
var dataFieldControl = control as ucDataFieldClassTemplate;
if (dataFieldControl != null)
{
try
{
var id = (Guid)(dataFieldControl.Tag);
if (id == positionHelperID)
{
dataFieldControl.ChangeValueArea(areaInfo);
return;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
}
public async Task <string> GetTextFromPdf(string pdfFilePath, PercentalAreaInfo cropAreaInfo)
{
return(await AreaLoader.GetTextFromPdf(pdfFilePath, cropAreaInfo));
}
/// <summary>
/// Gets text from a PDF based that is within a given area.
/// </summary>
/// <param name="pdfFilePath">PDF location on disk.</param>
/// <param name="cropAreaInfo">Percentual area which is to be extracted.</param>
/// <returns></returns>
public async Task <string> GetTextFromPdf(string pdfFilePath, PercentalAreaInfo cropAreaInfo)
{
var pdfInfo = await GetPdfPageSize(pdfFilePath);
return(await GetTextFromPdf(pdfFilePath, cropAreaInfo, pdfInfo));
}
private void ViewerControlBase_TextSelected(string selectedText, PercentalAreaInfo areaInfo)
{
TextSelected?.Invoke(selectedText, areaInfo);
}
/// <summary>
/// Changes or defines a new value area
/// </summary>
/// <param name="positionHelperID">ID of the area position, which shall be changed</param>
/// <param name="areaInfo">percental area info</param>
public void ChangeValueArea(Guid positionHelperID, PercentalAreaInfo areaInfo)
{
ucDataFieldEditor1.ChangeValueArea(positionHelperID, areaInfo);
}
/// <summary>
/// Changes or defines a new value area
/// </summary>
/// <param name="positionHelperID">ID of the area position, which shall be changed</param>
/// <param name="areaInfo">percental area info</param>
public void ChangeValueArea(Guid positionHelperID, PercentalAreaInfo areaInfo)
{
ucSingleTemplateEditor1.ChangeValueArea(positionHelperID, areaInfo);
}
/// <summary>
/// Changes or defines a new value area
/// </summary>
/// <param name="positionHelperID">ID of the area position, which shall be changed</param>
/// <param name="areaInfo">percental area info</param>
private void ChangeValueArea(Guid positionHelperID, PercentalAreaInfo areaInfo)
{
ucResultAndEditor1.ChangeValueArea(positionHelperID, areaInfo);
}
private async void UcViewer1_TextSelected(string selectedText, PercentalAreaInfo areaInfo)
{
if (isAnchorSelectionRunning)
{
this.regexHelperAnchorText = selectedText;
isAnchorSelectionRunning = false;
isValueSelectionRunning = true;
lblInstruction.Text = Translation.LanguageStrings.InstructionSelectValue;
lblInstruction.BackColor = Color.Yellow;
}
else if (isValueSelectionRunning)
{
this.regexHelperValueText = selectedText;
isValueSelectionRunning = false;
lblInstruction.Text = string.Empty;
lblInstruction.BackColor = Color.White;
// var loader = new PdfTextLoader();
var inputString = await PdfTextLoader.GetTextFromPdf(selectedFilePath, false);
var regexResult = new RegexExpressionFinderResult();
if (templateProcessor.TryFindRegexMatchExpress(inputString, regexHelperAnchorText, regexHelperValueText, regexHelperFieldType, false, out regexResult))
{
var matchingValues = string.Empty;
foreach (var matchingValue in regexResult.AllMatchingValues)
{
matchingValues = matchingValues + Environment.NewLine + matchingValue;
}
var result = MessageBox.Show(Translation.LanguageStrings.MsgAskAcceptRegexExpressionHelperResult + Environment.NewLine + Environment.NewLine + "Regex Expression: " + regexResult.RegexExpression
+ Environment.NewLine + "Matching Values: " + matchingValues, string.Empty, MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
var additionalRegex = MessageBox.Show(Translation.LanguageStrings.MsgAskAdditionalRegexExpression, string.Empty, MessageBoxButtons.YesNo);
if (additionalRegex == DialogResult.Yes)
{
ChangeOrAddRegexExpression(this.regexOrPositionHelperId, regexResult.RegexExpression, true);
}
else
{
ChangeOrAddRegexExpression(this.regexOrPositionHelperId, regexResult.RegexExpression, false);
}
}
}
else
{
MessageBox.Show(Translation.LanguageStrings.MsgNoRegexExpressionFinderResult, string.Empty, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
EnableOrDisableControlsAndButtons(true);
}
else if (isPositionSelectionRunning)
{
isPositionSelectionRunning = false;
lblInstruction.Text = string.Empty;
lblInstruction.BackColor = Color.White;
var result = MessageBox.Show(Translation.LanguageStrings.MsgAskAcceptRegexExpressionHelperResult + Environment.NewLine + Environment.NewLine
+ "Position:" + Environment.NewLine + "page\t" + areaInfo.PageNumber + Environment.NewLine + "x\t" + Math.Round(areaInfo.TopLeftX * 100, 1) + " %"
+ Environment.NewLine + "y\t" + Math.Round(areaInfo.TopLeftY * 100, 1) + " %" + Environment.NewLine + "width\t" + Math.Round(areaInfo.Width * 100, 1) + " %"
+ Environment.NewLine + "height\t" + Math.Round(areaInfo.Height * 100, 1) + " %" + Environment.NewLine + Environment.NewLine
+ "Text: " + Environment.NewLine + selectedText, string.Empty, MessageBoxButtons.YesNo);
if (result == DialogResult.Yes)
{
ChangeValueArea(this.regexOrPositionHelperId, areaInfo);
}
EnableOrDisableControlsAndButtons(true);
}
}
