private void DrawLineOfText(
Page page, List <TextLine> list, bool draw)
{
if (alignment == Align.JUSTIFY)
{
float sum_of_word_widths = 0f;
for (int i = 0; i < list.Count; i++)
{
TextLine text = list[i];
sum_of_word_widths += text.font.StringWidth(text.GetFallbackFont(), text.str);
}
float dx = (w - sum_of_word_widths) / (list.Count - 1);
for (int i = 0; i < list.Count; i++)
{
TextLine text = list[i];
text.SetPosition(x1, y1);
if (text.GetGoToAction() != null)
{
page.AddAnnotation(new Annotation(
null, // The URI
text.GetGoToAction(), // The destination name
x,
page.height - (y - text.font.ascent),
x + text.font.StringWidth(text.GetFallbackFont(), text.GetText()),
page.height - (y - text.font.descent),
null,
null,
null));
}
if (rotate == 0)
{
text.SetTextDirection(0);
text.DrawOn(page, draw);
x1 += text.font.StringWidth(text.GetFallbackFont(), text.str) + dx;
}
else if (rotate == 90)
{
text.SetTextDirection(90);
text.DrawOn(page, draw);
y1 -= text.font.StringWidth(text.GetFallbackFont(), text.str) + dx;
}
else if (rotate == 270)
{
text.SetTextDirection(270);
text.DrawOn(page, draw);
y1 += text.font.StringWidth(text.GetFallbackFont(), text.str) + dx;
}
}
}
else
{
DrawNonJustifiedLine(page, list, draw);
}
}
private void DrawNonJustifiedLine(
Page page, List <TextLine> list, bool draw)
{
float run_length = 0f;
for (int i = 0; i < list.Count; i++)
{
TextLine text = list[i];
if (i < (list.Count - 1))
{
text.str += " ";
}
run_length += text.font.StringWidth(text.GetFallbackFont(), text.str);
}
if (alignment == Align.CENTER)
{
if (rotate == 0)
{
x1 = x + ((w - run_length) / 2);
}
else if (rotate == 90)
{
y1 = y - ((w - run_length) / 2);
}
else if (rotate == 270)
{
y1 = y + ((w - run_length) / 2);
}
}
else if (alignment == Align.RIGHT)
{
if (rotate == 0)
{
x1 = x + (w - run_length);
}
else if (rotate == 90)
{
y1 = y - (w - run_length);
}
else if (rotate == 270)
{
y1 = y + (w - run_length);
}
}
for (int i = 0; i < list.Count; i++)
{
TextLine text = list[i];
text.SetPosition(x1, y1);
if (text.GetGoToAction() != null)
{
page.AddAnnotation(new Annotation(
null, // The URI
text.GetGoToAction(), // The destination name
x,
page.height - (y - text.font.ascent),
x + text.font.StringWidth(text.GetFallbackFont(), text.GetText()),
page.height - (y - text.font.descent),
null,
null,
null));
}
if (rotate == 0)
{
text.SetTextDirection(0);
text.DrawOn(page, draw);
x1 += text.font.StringWidth(text.GetFallbackFont(), text.str);
}
else if (rotate == 90)
{
text.SetTextDirection(90);
text.DrawOn(page, draw);
y1 -= text.font.StringWidth(text.GetFallbackFont(), text.str);
}
else if (rotate == 270)
{
text.SetTextDirection(270);
text.DrawOn(page, draw);
y1 += text.font.StringWidth(text.GetFallbackFont(), text.str);
}
}
}
private Point DrawParagraphOn(
Page page, Paragraph paragraph, bool draw)
{
List <TextLine> list = new List <TextLine>();
float run_length = 0f;
for (int i = 0; i < paragraph.list.Count; i++)
{
TextLine line = paragraph.list[i];
if (i == 0)
{
line_height = line.font.body_height + space_between_lines;
if (rotate == 0)
{
y1 += line.font.ascent;
}
else if (rotate == 90)
{
x1 += line.font.ascent;
}
else if (rotate == 270)
{
x1 -= line.font.ascent;
}
}
String[] tokens = line.str.Split(new Char[] { ' ', '\r', '\n', '\t' });
TextLine text = null;
for (int j = 0; j < tokens.Length; j++)
{
String str = tokens[j];
text = new TextLine(line.font, str);
text.SetColor(line.GetColor());
text.SetUnderline(line.GetUnderline());
text.SetStrikeout(line.GetStrikeout());
text.SetURIAction(line.GetURIAction());
text.SetGoToAction(line.GetGoToAction());
text.SetFallbackFont(line.GetFallbackFont());
run_length += line.font.StringWidth(line.GetFallbackFont(), str);
if (run_length >= w)
{
DrawLineOfText(page, list, draw);
MoveToNextLine();
list.Clear();
list.Add(text);
run_length = line.font.StringWidth(line.GetFallbackFont(), str + " ");
}
else
{
list.Add(text);
run_length += line.font.StringWidth(line.GetFallbackFont(), " ");
}
}
}
DrawNonJustifiedLine(page, list, draw);
if (lineBetweenParagraphs)
{
return(MoveToNextLine());
}
return(MoveToNextParagraph(this.space_between_paragraphs));
}