private void AddWordLines(WordArea area, int rx, int bl, int size,
PdfColor theAreaColor)
{
if (area.getUnderlined())
{
int yPos = bl - size / 10;
AddLine(rx, yPos, rx + area.getContentWidth(), yPos, size / 14,
theAreaColor);
// save position for underlining a following InlineSpace
prevUnderlineXEndPos = rx + area.getContentWidth();
prevUnderlineYEndPos = yPos;
prevUnderlineSize = size / 14;
prevUnderlineColor = theAreaColor;
}
if (area.getOverlined())
{
int yPos = bl + area.GetFontState().Ascender + size / 10;
AddLine(rx, yPos, rx + area.getContentWidth(), yPos, size / 14,
theAreaColor);
prevOverlineXEndPos = rx + area.getContentWidth();
prevOverlineYEndPos = yPos;
prevOverlineSize = size / 14;
prevOverlineColor = theAreaColor;
}
if (area.getLineThrough())
{
int yPos = bl + area.GetFontState().Ascender * 3 / 8;
AddLine(rx, yPos, rx + area.getContentWidth(), yPos, size / 14,
theAreaColor);
prevLineThroughXEndPos = rx + area.getContentWidth();
prevLineThroughYEndPos = yPos;
prevLineThroughSize = size / 14;
prevLineThroughColor = theAreaColor;
}
}
/**
* render inline area to PDF
*
* @param area inline area to render
*/
public void RenderWordArea(WordArea area)
{
FontState fontState = area.GetFontState();
String name = fontState.FontName;
int size = fontState.FontSize;
// This assumes that *all* CIDFonts use a /ToUnicode mapping
Font font = (Font)fontState.FontInfo.GetFontByName(name);
if ((!name.Equals(this.currentFontName)) ||
(size != this.currentFontSize))
{
CloseText();
this.currentFontName = name;
this.currentFontSize = size;
currentStream.SetFont(name, size);
}
// Do letter spacing (must be outside of [...] TJ]
float letterspacing = ((float)fontState.LetterSpacing) / 1000f;
if (letterspacing != this.currentLetterSpacing)
{
this.currentLetterSpacing = letterspacing;
CloseText(); //?
currentStream.SetLetterSpacing(letterspacing);
}
//--------------------------------------------
PdfColor?a_color = this.currentFill;
PdfColor areaObj_color = area.GetColor();
if (a_color == null || !areaObj_color.IsEq(a_color.Value))
{
//change area color
a_color = areaObj_color;
CloseText(); //?
this.currentFill = a_color;
currentStream.SetFontColor(a_color.Value);
}
//--------------------------------------------
int rx = this.currentXPosition;
int bl = this.currentYPosition;
int areaContentW = area.getContentWidth();
if (area.getUnderlined())
{
AddUnderLine(rx, bl, areaContentW, size, a_color.Value);
}
if (area.getOverlined())
{
AddOverLine(rx, bl, areaContentW, size, fontState.Ascender, a_color.Value);
}
if (area.getLineThrough())
{
AddLineThrough(rx, bl, areaContentW, size, fontState.Ascender, a_color.Value);
}
//--------------------------------------------
_textPrinter.Reset(fontState, options != null && options.Kerning);
if (!textOpen || bl != prevWordY)
{
CloseText();
//set text matrix
_textPrinter.SetTextPos(rx, bl);
//pdf.Append("1 0 0 1 " + PdfNumber.doubleOut(rx / 1000f) +
// " " + PdfNumber.doubleOut(bl / 1000f) + " Tm [" + startText);
prevWordY = bl;
textOpen = true; //***
}
else
{
// express the space between words in thousandths of an em
int space = prevWordX - rx + prevWordWidth;
float emDiff = (float)space / (float)currentFontSize * 1000f;
// this prevents a problem in Acrobat Reader where large
// numbers cause text to disappear or default to a limit
if (emDiff < -33000)
{
CloseText();
_textPrinter.SetTextPos(rx, bl);
//pdf.Append("1 0 0 1 " + PdfNumber.doubleOut(rx / 1000f) +
// " " + PdfNumber.doubleOut(bl / 1000f) + " Tm [" + startText);
textOpen = true;//***
}
else
{
_textPrinter.SetEmDiff(emDiff);
//pdf.Append(PdfNumber.doubleOut(emDiff));
//pdf.Append(" ");
//pdf.Append(startText);
}
}
prevWordWidth = areaContentW;
prevWordX = rx;
string s = area.GetTextContent();
if (area is PageNumberInlineArea)
{
//need to resolve to page number
s = idReferences.getPageNumber(s);
}
_textPrinter.WriteText(s);
//-------
_textPrinter.PrintContentTo(currentStream);
//-------
this.currentXPosition += area.getContentWidth();
}