| public GetFieldType ( String fieldName ) : int | ||
| fieldName | String | |
| return | int | |
/// <summary>
/// Set font family and font size on all text fields for consistency
/// </summary>
/// <param name="stamperFields">
/// PdfStamper.AcroFields - so we can set the form field value here.
/// </param>
/// <param name="family">BaseFont</param>
/// <param name="size">Desired size</param>
public static void SetTemplateFont(AcroFields stamperFields, BaseFont family, float size)
{
// ignore everything except text fields
var textFields = stamperFields.Fields.Keys
.Where(x => stamperFields.GetFieldType(x) == AcroFields.FIELD_TYPE_TEXT
&& GetFontSize(stamperFields, x) != 0f
)
.ToDictionary(k => k);
Console.WriteLine(string.Join(" :: ", textFields.Keys.ToArray()));
foreach (var key in textFields.Keys)
{
stamperFields.SetFieldProperty(key, "textfont", family, null);
stamperFields.SetFieldProperty(key, "textsize", size, null);
}
}
internal AcroFields GetAcroFields()
{
if (acroFields == null)
{
acroFields = new AcroFields(reader, this);
try
{
foreach (String key in acroFields.Fields.Keys)
{
if (AcroFields.FIELD_TYPE_TEXT != acroFields.GetFieldType(key))
continue;
String value = acroFields.GetField(key).Trim();
if (value.Length > 0)
{
acroFields.SetField(key, value, value);
}
}
}
catch (DocumentException) { }
catch (IOException) { }
}
return acroFields;
}
/// <summary>
/// Get text field font size
/// </summary>
/// <param name="acroFields">AcroFields</param>
/// <param name="fieldName">Text field name</param>
/// <returns>text field font size</returns>
public static float GetFontSize(AcroFields acroFields, string fieldName)
{
if (acroFields.GetFieldType(fieldName) == AcroFields.FIELD_TYPE_TEXT)
{
// need the dictionary field appearance
var pdfDictionary = acroFields.GetFieldItem(fieldName).GetMerged(0);
var pdfString = pdfDictionary.GetAsString(PdfName.DA);
if (pdfString != null)
{
var daNames = AcroFields.SplitDAelements(pdfString.ToString());
float size;
return daNames[1] != null
&& Single.TryParse(daNames[1].ToString(), out size)
? size : 0f;
}
}
return 0f; // text field auto-sized font
}
private void ValidateFitSingleLineText(AcroFields acroFields, string fieldName)
{
if (acroFields.GetFieldType(fieldName) != AcroFields.FIELD_TYPE_TEXT)
{
throw new InvalidOperationException(string.Format(
"field [{0}] is not a TextField",
fieldName
));
}
if (IsMultiLine(acroFields, fieldName))
{
throw new InvalidOperationException(string.Format(
"only single line TextField is allowed; field [{0}] is multiline.",
fieldName
));
}
}
