private void ProcessJustified(ByteBuffer sb, TextLine textLine, double yPosition)
{
TextSegment[] segments = (TextSegment[])textLine.Segments.ToArray(typeof(TextSegment));
ArrayList words = new ArrayList();
double wordsWidth = 0;
for (int i = 0; i < segments.Length; i++)
{
if (segments[i].Text != " ")
{
words.Add(segments[i]);
wordsWidth += Convert(segments[i].Width);
}
}
float theOffset = 0;
if (words.Count > 1)
{
theOffset = (float)(bounds.Width - wordsWidth) / (words.Count - 1);
}
double xPosition = bounds.Left;
for (int i = 0; i < words.Count; i++)
{
TextSegment segment = words[i] as TextSegment;
Font font = new Font(segment.Font.FontFamily, segment.Font.Size * 0.96f, segment.Font.Style);
PdfFont pdfFont = this.PdfDocument.AddFont(font);
if (pdfFont.PdfFontType == PdfFont.FontType.TrueType)
{
((PdfTrueTypeFont)pdfFont).CalculateMetrics(segment.Text);
}
double width = pdfFont is PdfTrueTypeFont ? ((PdfTrueTypeFont)pdfFont).MeasureText(segment.Text, font.Size) : Utility.Measure(font, segment.Text);
string fontSizeString = String.Format(ci.NumberFormat, "{0}", font.Size);
sb.Append(String.Format("/{0} {1} Tf\n", pdfFont.Alias, fontSizeString));
sb.Append(Utility.ColorrgLine(segment.Color));
sb.Append("1 0 0 1 " + Utility.FormatDecimal(xPosition) + " " + Utility.FormatDecimal(yPosition) + " Tm");
sb.Append("(");
byte[] textBytes = CreateTextString(segment.Text, pdfFont);
if (pdfFont.PdfFontType == PdfFont.FontType.TrueType)
{
Utility.EscapeString(textBytes, sb);
}
else
{
Utility.EscapeStringWeak(textBytes, sb);
}
sb.Append(") Tj\n");
xPosition += Convert(segment.Width) + theOffset;
}
}
private byte[] ToStream()
{
ByteBuffer sb = new ByteBuffer();
sb.Append("BT\n");
double xPosition = bounds.Left;
double yPosition = this.PdfDocument.PH - bounds.Top;
for (int i = 0; i < lines.Count; i++)
{
xPosition = bounds.Left;
TextLine textLine = lines[i] as TextLine;
TextSegment[] segments = (TextSegment[])textLine.Segments.ToArray(typeof(TextSegment));
double height = Convert(textLine.Height);
if (i == 0)
{
yPosition -= height * 0.72;
}
else
{
yPosition -= height;
}
double lineWidth = 0;
for (int j = 0; j < segments.Length; j++)
{
lineWidth += (float)segments[j].Width;
}
lineWidth = Convert(lineWidth);
if (textLine.Alignment == TextField.TextAlignmentType.Justified)
{
this.ProcessJustified(sb, textLine, yPosition);
}
else
{
if (textLine.Alignment == TextField.TextAlignmentType.Center)
{
xPosition = bounds.Left + (bounds.Width - lineWidth) / 2;
}
else if (textLine.Alignment == TextField.TextAlignmentType.Right)
{
xPosition = bounds.Right - lineWidth;
}
else
{
xPosition = bounds.Left;
}
for (int j = 0; j < segments.Length; j++)
{
TextSegment segment = segments[j];
Font font = new Font(segment.Font.FontFamily, segment.Font.Size * 0.96f, segment.Font.Style);
PdfFont pdfFont = this.PdfDocument.AddFont(font);
//if (pdfFont.PdfFontType == PdfFont.FontType.TrueType)
//{
// ((PdfTrueTypeFont)pdfFont).CalculateMetrics(segment.Text);
//}
double width = pdfFont is PdfTrueTypeFont ? ((PdfTrueTypeFont)pdfFont).MeasureText(segment.Text, font.Size) : Utility.Measure(font, segment.Text);
string fontSizeString = String.Format(ci.NumberFormat, "{0}", font.Size);
sb.Append(String.Format("/{0} {1} Tf\n", pdfFont.Alias, fontSizeString));
sb.Append(Utility.ColorrgLine(segment.Color));
sb.Append("1 0 0 1 " + Utility.FormatDecimal(xPosition) + " " + Utility.FormatDecimal(yPosition) + " Tm");
sb.Append("(");
byte[] textBytes = CreateTextString(segment.Text, pdfFont);
if (pdfFont.PdfFontType == PdfFont.FontType.TrueType)
{
Utility.EscapeString(textBytes, sb);
}
else
{
Utility.EscapeStringWeak(textBytes, sb);
}
sb.Append(") Tj\n");
xPosition += Convert(segment.Width);
}
}
}
sb.Append("ET\n");
return(sb.ToByteArray());
}
internal static string FontToFontLine(Font Font)
{
return("/" + PdfFont.FontToPdfType(Font) + " " + Font.Size.ToString() + " Tf\n");
}
