/**
* Gets a radio or check field.
* @param isRadio <CODE>true</CODE> to get a radio field, <CODE>false</CODE> to get
* a check field
* @throws IOException on error
* @throws DocumentException on error
* @return the field
*/
protected PdfFormField GetField(bool isRadio)
{
PdfFormField field = null;
if (isRadio)
{
field = PdfFormField.CreateEmpty(writer);
}
else
{
field = PdfFormField.CreateCheckBox(writer);
}
field.SetWidget(box, PdfAnnotation.HIGHLIGHT_INVERT);
if (!isRadio)
{
field.FieldName = fieldName;
if ((options & READ_ONLY) != 0)
{
field.SetFieldFlags(PdfFormField.FF_READ_ONLY);
}
if ((options & REQUIRED) != 0)
{
field.SetFieldFlags(PdfFormField.FF_REQUIRED);
}
field.ValueAsName = vchecked ? onValue : "Off";
}
if (text != null)
{
field.MKNormalCaption = text;
}
if (rotation != 0)
{
field.MKRotation = rotation;
}
field.BorderStyle = new PdfBorderDictionary(borderWidth, borderStyle, new PdfDashPattern(3));
PdfAppearance tpon = GetAppearance(isRadio, true);
PdfAppearance tpoff = GetAppearance(isRadio, false);
field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, onValue, tpon);
field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, "Off", tpoff);
field.AppearanceState = vchecked ? onValue : "Off";
PdfAppearance da = (PdfAppearance)tpon.Duplicate;
da.SetFontAndSize(RealFont, fontSize);
if (textColor == null)
{
da.SetGrayFill(0);
}
else
{
da.SetColorFill(textColor);
}
field.DefaultAppearanceString = da;
if (borderColor != null)
{
field.MKBorderColor = borderColor;
}
if (backgroundColor != null)
{
field.MKBackgroundColor = backgroundColor;
}
switch (visibility)
{
case HIDDEN:
field.Flags = PdfAnnotation.FLAGS_PRINT | PdfAnnotation.FLAGS_HIDDEN;
break;
case VISIBLE_BUT_DOES_NOT_PRINT:
break;
case HIDDEN_BUT_PRINTABLE:
field.Flags = PdfAnnotation.FLAGS_PRINT | PdfAnnotation.FLAGS_NOVIEW;
break;
default:
field.Flags = PdfAnnotation.FLAGS_PRINT;
break;
}
return(field);
}
protected PdfAppearance GetBorderAppearance()
{
PdfAppearance app = PdfAppearance.CreateAppearance(writer, box.Width, box.Height);
switch (rotation)
{
case 90:
app.SetMatrix(0, 1, -1, 0, box.Height, 0);
break;
case 180:
app.SetMatrix(-1, 0, 0, -1, box.Width, box.Height);
break;
case 270:
app.SetMatrix(0, -1, 1, 0, 0, box.Width);
break;
}
app.SaveState();
// background
if (backgroundColor != null)
{
app.SetColorFill(backgroundColor);
app.Rectangle(0, 0, box.Width, box.Height);
app.Fill();
}
// border
if (borderStyle == PdfBorderDictionary.STYLE_UNDERLINE)
{
if (borderWidth != 0 && borderColor != null)
{
app.SetColorStroke(borderColor);
app.SetLineWidth(borderWidth);
app.MoveTo(0, borderWidth / 2);
app.LineTo(box.Width, borderWidth / 2);
app.Stroke();
}
}
else if (borderStyle == PdfBorderDictionary.STYLE_BEVELED)
{
if (borderWidth != 0 && borderColor != null)
{
app.SetColorStroke(borderColor);
app.SetLineWidth(borderWidth);
app.Rectangle(borderWidth / 2, borderWidth / 2, box.Width - borderWidth, box.Height - borderWidth);
app.Stroke();
}
// beveled
Color actual = backgroundColor;
if (actual == null)
{
actual = Color.WHITE;
}
app.SetGrayFill(1);
DrawTopFrame(app);
app.SetColorFill(actual.Darker());
DrawBottomFrame(app);
}
else if (borderStyle == PdfBorderDictionary.STYLE_INSET)
{
if (borderWidth != 0 && borderColor != null)
{
app.SetColorStroke(borderColor);
app.SetLineWidth(borderWidth);
app.Rectangle(borderWidth / 2, borderWidth / 2, box.Width - borderWidth, box.Height - borderWidth);
app.Stroke();
}
// inset
app.SetGrayFill(0.5f);
DrawTopFrame(app);
app.SetGrayFill(0.75f);
DrawBottomFrame(app);
}
else
{
if (borderWidth != 0 && borderColor != null)
{
if (borderStyle == PdfBorderDictionary.STYLE_DASHED)
{
app.SetLineDash(3, 0);
}
app.SetColorStroke(borderColor);
app.SetLineWidth(borderWidth);
app.Rectangle(borderWidth / 2, borderWidth / 2, box.Width - borderWidth, box.Height - borderWidth);
app.Stroke();
if ((options & COMB) != 0 && maxCharacterLength > 1)
{
float step = box.Width / maxCharacterLength;
float yb = borderWidth / 2;
float yt = box.Height - borderWidth / 2;
for (int k = 1; k < maxCharacterLength; ++k)
{
float x = step * k;
app.MoveTo(x, yb);
app.LineTo(x, yt);
}
app.Stroke();
}
}
}
app.RestoreState();
return(app);
}
