/**
* Gets the special field appearance for the radio circle.
* @param on <CODE>true</CODE> for the checked state, <CODE>false</CODE>
* otherwise
* @return the appearance
*/
public PdfAppearance GetAppearanceRadioCircle(bool on)
{
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;
}
Rectangle boxc = new Rectangle(app.BoundingBox);
float cx = boxc.Width / 2;
float cy = boxc.Height / 2;
float r = (Math.Min(boxc.Width, boxc.Height) - borderWidth) / 2;
if (r <= 0)
{
return(app);
}
if (backgroundColor != null)
{
app.SetColorFill(backgroundColor);
app.Circle(cx, cy, r + borderWidth / 2);
app.Fill();
}
if (borderWidth > 0 && borderColor != null)
{
app.SetLineWidth(borderWidth);
app.SetColorStroke(borderColor);
app.Circle(cx, cy, r);
app.Stroke();
}
if (on)
{
if (textColor == null)
{
app.ResetGrayFill();
}
else
{
app.SetColorFill(textColor);
}
app.Circle(cx, cy, r / 2);
app.Fill();
}
return(app);
}
private void DrawBottomFrame(PdfAppearance app)
{
app.MoveTo(borderWidth, borderWidth);
app.LineTo(box.Width - borderWidth, borderWidth);
app.LineTo(box.Width - borderWidth, box.Height - borderWidth);
app.LineTo(box.Width - 2 * borderWidth, box.Height - 2 * borderWidth);
app.LineTo(box.Width - 2 * borderWidth, 2 * borderWidth);
app.LineTo(2 * borderWidth, 2 * borderWidth);
app.LineTo(borderWidth, borderWidth);
app.Fill();
}
/**
* @param field
* @param llx
* @param lly
* @param urx
* @param ury
*/
public void DrawSignatureAppearences(PdfFormField field, float llx, float lly, float urx, float ury)
{
PdfAppearance tp = PdfAppearance.CreateAppearance(writer, urx - llx, ury - lly);
tp.SetGrayFill(1.0f);
tp.Rectangle(0, 0, urx - llx, ury - lly);
tp.Fill();
tp.SetGrayStroke(0);
tp.SetLineWidth(1);
tp.Rectangle(0.5f, 0.5f, urx - llx - 0.5f, ury - lly - 0.5f);
tp.ClosePathStroke();
tp.SaveState();
tp.Rectangle(1, 1, urx - llx - 2, ury - lly - 2);
tp.Clip();
tp.NewPath();
tp.RestoreState();
field.SetAppearance(PdfAnnotation.APPEARANCE_NORMAL, tp);
}
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);
}
/**
* Get the <code>PdfAppearance</code> of a list field
* @throws IOException on error
* @throws DocumentException on error
* @return A <code>PdfAppearance</code>
*/
internal PdfAppearance GetListAppearance()
{
PdfAppearance app = GetBorderAppearance();
app.BeginVariableText();
if (choices == null || choices.Length == 0)
{
app.EndVariableText();
return(app);
}
int topChoice = choiceSelection;
if (topChoice >= choices.Length)
{
topChoice = choices.Length - 1;
}
if (topChoice < 0)
{
topChoice = 0;
}
BaseFont ufont = RealFont;
float usize = fontSize;
if (usize == 0)
{
usize = 12;
}
bool borderExtra = borderStyle == PdfBorderDictionary.STYLE_BEVELED || borderStyle == PdfBorderDictionary.STYLE_INSET;
float h = box.Height - borderWidth * 2;
float offsetX = borderWidth;
if (borderExtra)
{
h -= borderWidth * 2;
offsetX *= 2;
}
float leading = ufont.GetFontDescriptor(BaseFont.BBOXURY, usize) - ufont.GetFontDescriptor(BaseFont.BBOXLLY, usize);
int maxFit = (int)(h / leading) + 1;
int first = 0;
int last = 0;
last = topChoice + maxFit / 2 + 1;
first = last - maxFit;
if (first < 0)
{
last += first;
first = 0;
}
// first = topChoice;
last = first + maxFit;
if (last > choices.Length)
{
last = choices.Length;
}
topFirst = first;
app.SaveState();
app.Rectangle(offsetX, offsetX, box.Width - 2 * offsetX, box.Height - 2 * offsetX);
app.Clip();
app.NewPath();
Color fcolor = (textColor == null) ? GrayColor.GRAYBLACK : textColor;
app.SetColorFill(new Color(10, 36, 106));
app.Rectangle(offsetX, offsetX + h - (topChoice - first + 1) * leading, box.Width - 2 * offsetX, leading);
app.Fill();
float xp = offsetX * 2;
float yp = offsetX + h - ufont.GetFontDescriptor(BaseFont.BBOXURY, usize);
for (int idx = first; idx < last; ++idx, yp -= leading)
{
String ptext = choices[idx];
int rtl = CheckRTL(ptext) ? PdfWriter.RUN_DIRECTION_LTR : PdfWriter.RUN_DIRECTION_NO_BIDI;
ptext = RemoveCRLF(ptext);
Phrase phrase = ComposePhrase(ptext, ufont, (idx == topChoice) ? GrayColor.GRAYWHITE : fcolor, usize);
ColumnText.ShowTextAligned(app, Element.ALIGN_LEFT, phrase, xp, yp, 0, rtl, 0);
}
app.RestoreState();
app.EndVariableText();
return(app);
}