private StampLine DrawOuterLineForSquare(StampXmlEntity stampData)
{
StampLine line = new StampLine();
line.BackgroundColor = getColor(stampData.backgroundColor);
line.OuterBorder.Color = getColor(stampData.strokeColor);
line.OuterBorder.Weight = stampData.strokeWidth;
line.InnerBorder.Color = getColor(stampData.backgroundColor);
line.InnerBorder.Weight = 0.5;
line.Height = 1;
return(line);
}
private StampLine PrepareHarisontalLine(StampXmlEntity stampData, string text, int reductionSize)
{
StampLine squareLine = new StampLine
{
Text = text
};
squareLine.Font.Size = stampData.fontSize / reductionSize;
squareLine.Font.Bold = stampData.bold;
squareLine.Font.Italic = stampData.italic;
squareLine.Font.Underline = stampData.underline;
squareLine.TextColor = getColor(stampData.textColor);
return(squareLine);
}
/// <summary>
/// Add pdf signature data
/// </summary>
/// <returns>SignOptions</returns>
public override SignOptions SignPdf()
{
// setup options
StampSignOptions pdfSignOptions = new StampSignOptions();
pdfSignOptions.Height = Convert.ToInt32(SignatureData.ImageHeight - 20);
pdfSignOptions.Width = Convert.ToInt32(SignatureData.ImageWidth - 20);
pdfSignOptions.Top = Convert.ToInt32(SignatureData.Top);
pdfSignOptions.Left = Convert.ToInt32(SignatureData.Left);
pdfSignOptions.PageNumber = SignatureData.PageNumber;
pdfSignOptions.RotationAngle = SignatureData.Angle;
pdfSignOptions.Background.Color = getColor(stampData[stampData.Length - 1].backgroundColor);
pdfSignOptions.BackgroundColorCropType = StampBackgroundCropType.OuterArea;
// draw stamp lines
for (int n = 0; n < stampData.Length; n++)
{
string text = "";
// prepare line text
for (int m = 0; m < stampData[n].textRepeat; m++)
{
text = text + stampData[n].text;
}
// set reduction size - required to recalculate each stamp line height and font size after stamp resizing in the UI
int reductionSize = CalculateRedactionSize(stampData[n]);
// draw most inner line - horizontal text
if ((n + 1) == stampData.Length)
{
StampLine squareLine = PrepareHarisontalLine(stampData[n], text, reductionSize);
pdfSignOptions.InnerLines.Add(squareLine);
// check if stamp contains only one line
if (stampData.Length == 1)
{
// if stamp contains only one line draw it as outer and inner line
StampLine line = DrawOuterLineForSquare(stampData[n]);
pdfSignOptions.OuterLines.Add(line);
}
}
else
{
// draw outer stamp lines - rounded
double height = (stampData[n].radius - stampData[n + 1].radius) / reductionSize;
StampLine line = DrawOuterCircle(stampData[n], stampData[n + 1].strokeColor, text, Convert.ToInt32(height), reductionSize);
pdfSignOptions.OuterLines.Add(line);
}
}
return(pdfSignOptions);
}
/// <summary>
/// Sign document with stamp signature
/// </summary>
public static void Run()
{
Console.WriteLine("\n--------------------------------------------------------------------------------------------------------------------");
Console.WriteLine("[Example Basic Usage] # SignWithStamp : Sign document with stamp\n");
// The path to the documents directory.
string filePath = Constants.SAMPLE_PDF;
string fileName = Path.GetFileName(filePath);
string outputFilePath = Path.Combine(Constants.OutputPath, "SignWithStamp", fileName);
using (Signature signature = new Signature(filePath))
{
StampSignOptions options = new StampSignOptions()
{
// set stamp signature position
Left = 50,
Top = 150,
Width = 200,
Height = 200
};
// setup first external line of Stamp
StampLine outerLine = new StampLine();
outerLine.Text = " * European Union ";
outerLine.TextRepeatType = StampTextRepeatType.FullTextRepeat;
outerLine.Font.Size = 12;
outerLine.Height = 22;
outerLine.TextBottomIntent = 6;
outerLine.TextColor = Color.WhiteSmoke;
outerLine.BackgroundColor = Color.DarkSlateBlue;
options.OuterLines.Add(outerLine);
//Inner square lines - horizontal lines inside the rings
StampLine innerLine = new StampLine();
innerLine.Text = "John Smith";
innerLine.TextColor = Color.MediumVioletRed;
innerLine.Font.Size = 20;
innerLine.Font.Bold = true;
innerLine.Height = 40;
options.InnerLines.Add(innerLine);
// sign document to file
SignResult result = signature.Sign(outputFilePath, options);
Console.WriteLine($"\nSource document signed successfully with {result.Succeeded.Count} signature(s).\nFile saved at {outputFilePath}.");
}
}
private StampLine DrawOuterCircle(StampXmlEntity stampData, string innerBorderColor, string text, int height, int reductionSize)
{
StampLine line = new StampLine();
line.BackgroundColor = getColor(stampData.backgroundColor);
line.OuterBorder.Color = getColor(stampData.strokeColor);
line.OuterBorder.Weight = stampData.strokeWidth;
line.InnerBorder.Color = getColor(innerBorderColor);
line.InnerBorder.Weight = 0.5;
line.Text = text;
line.Font.Bold = stampData.bold;
line.Font.Italic = stampData.italic;
line.Font.Underline = stampData.underline;
line.Height = height;
line.Font.Size = stampData.fontSize / reductionSize;
line.TextColor = getColor(stampData.textColor);
line.TextBottomIntent = (height / 2) - (stampData.fontSize / 2);
line.TextRepeatType = StampTextRepeatType.None;
return(line);
}
