static void Main(string[] args)
{
Console.WriteLine("Watermark Sample:");
using (Library lib = new Library()) {
Console.WriteLine("Initialized the library.");
String sInput = "../../Resources/Sample_Input/sample.pdf";
String sWatermark = "../../Resources/Sample_Input/ducky.pdf";
String sOutput = "../Watermark-out.pdf";
if (args.Length > 0)
{
sInput = args[0];
}
if (args.Length > 1)
{
sWatermark = args[1];
}
if (args.Length > 2)
{
sOutput = args[2];
}
Console.WriteLine("Adding watermark from " + sWatermark + " to " + sInput + " and saving to " + sOutput);
Document doc = new Document(sInput);
Document watermarkDoc = new Document(sWatermark);
WatermarkParams watermarkParams = new WatermarkParams();
watermarkParams.Opacity = 0.8f;
watermarkParams.Rotation = 45.3f;
watermarkParams.Scale = 0.5f;
watermarkParams.TargetRange.PageSpec = PageSpec.EvenPagesOnly;
doc.Watermark(watermarkDoc.GetPage(0), watermarkParams);
watermarkParams.TargetRange.PageSpec = PageSpec.OddPagesOnly;
WatermarkTextParams watermarkTextParams = new WatermarkTextParams();
Color color = new Color(109.0f / 255.0f, 15.0f / 255.0f, 161.0f / 255.0f);
watermarkTextParams.Color = color;
watermarkTextParams.Text = "Multiline\nWatermark";
Datalogics.PDFL.Font f = new Datalogics.PDFL.Font("Courier", FontCreateFlags.Embedded | FontCreateFlags.Subset);
watermarkTextParams.Font = f;
watermarkTextParams.TextAlign = HorizontalAlignment.Center;
doc.Watermark(watermarkTextParams, watermarkParams);
doc.EmbedFonts();
doc.Save(SaveFlags.Full | SaveFlags.Linearized, sOutput);
}
}
private void SetFreeTextAnnotationProperties(Datalogics.PDFL.Content content)
{
bool useDefaultFont = false;
Path path = null;
TextRun currentTextRun = null;
GraphicState gState = null;
Datalogics.PDFL.Font dlFont = null;
for (int i = 0; i < content.NumElements; i++)
{
Element element = content.GetElement(i);
if (element is Text)
{
Text currentText = element as Text;
for (int j = 0; j < currentText.NumberOfRuns; j++)
{
currentTextRun = currentText.GetRun(j);
dlFont = currentTextRun.Font;
if (dlFont != null)
{
break;
}
}
}
else if (element is Path)
{
path = element as Path;
gState = path.GraphicState;
}
}
if (dlFont == null)
{
dlFont = new Datalogics.PDFL.Font("Arial");
useDefaultFont = true;
}
if (gState == null)
{
gState = new GraphicState();
}
if (currentTextRun == null)
{
currentTextRun = new TextRun("", dlFont, gState, new TextState(), new Datalogics.PDFL.Matrix());
}
if (path == null)
{
path = new Path(gState);
}
string fontName = "";
if (families.IndexOf(dlFont.Name) == -1)
{
foreach (string name in families)
{
string trimmedName = name.Replace(" ", "");
if (name.Contains(dlFont.Name) || trimmedName.Contains(dlFont.Name) || dlFont.Name.Contains(name) || dlFont.Name.Contains(trimmedName))
{
fontName = name;
break;
}
}
}
}
