public TextLayout(AttributedCharacterIterator text)
{
fullText = text.GetText();
trimText = fullText;
font = text.GetFont();
layout = font.FontFamily;
stringColor = text.GetColor();
int start = text.GetBeginIndex();
int limit = text.GetEndIndex();
if (start == limit)
{
throw new ArgumentException("Zero length iterator passed to TextLayout constructor.");
}
int len = limit - start;
text.First();
char[] chars = new char[len];
int n = 0;
for (char c = text.First(); c != DONE; c = text.Next())
{
chars[n++] = c;
}
GetGraphicLayout(fullText, text.GetFont());
}
} // translate
public override void PaintPdf(XGraphics g2D, int pageNo, PointF pageStart, Ctx ctx, bool isView)
{
m_solidbrush = new SolidBrush(Color.Black);
PointF location = GetAbsoluteLocation(pageStart);
//
if (m_originalString != null)
{
Translate(ctx);
}
AttributedString aString = null;
AttributedCharacterIterator iter = null;
// AttributedCharacterIterator iter2 = null;
float xPos = (float)location.X;
float yPos = (float)location.Y;
float yPen = 0f;
float height = 0f;
float width = 0f;
// for all lines
for (int i = 0; i < m_string_paper.Length; i++)
{
// Get Text
if (isView)
{
if (m_string_view[i] == null)
{
continue;
}
aString = m_string_view[i];
}
else
{
if (m_string_paper[i] == null)
{
continue;
}
aString = m_string_paper[i];
}
iter = aString.GetIterator();
// Zero Length
if (iter.GetBeginIndex() == iter.GetEndIndex())
{
continue;
}
// Check for Tab (just first) and 16 bit characters
int tabPos = -1;
bool is8Bit = true;
for (char c = iter.First(); c != DONE; c = iter.Next())
{
if (c == '\t' && tabPos == -1)
{
tabPos = iter.GetIndex();
}
if (c > 255)
{
is8Bit = false;
}
}
TextLayout layout = null;
float xPen = xPos;
// No Limit
if (p_maxWidth == 0f)
{
if (tabPos == -1)
{
layout = new TextLayout(iter);
yPen = yPos + layout.GetAscent();
// layout.draw(g2D, xPen, yPen);
//m_font);
//g2D.setPaint(m_paint);
//XFont d = new XFont(m_font, new XPdfFontOptions(PdfSharp.Pdf.PdfFontEncoding.Unicode, PdfSharp.Pdf.PdfFontEmbedding.Automatic));
//StringBuilder txt = new StringBuilder();
//txt.Append("\u202D")
//.Append(iter.GetText())
//.Append("\u202C");
//g2D.DrawString(
XPdfFontOptions options = new XPdfFontOptions(PdfSharp.Pdf.PdfFontEncoding.Unicode, PdfSharp.Pdf.PdfFontEmbedding.Always);
PdfSharp.Drawing.Layout.XTextFormatter tf = new PdfSharp.Drawing.Layout.XTextFormatter(g2D);
//XStringFormat sf = new XStringFormat();
//sf.Alignment = XStringAlignment.Near;
//tf.Alignment = PdfSharp.Drawing.Layout.XParagraphAlignment.Left;
//tf.DrawString(iter.GetText(), new XFont(m_font, options), new XSolidBrush(XColors.Black), (double)xPen, (double)yPen);
g2D.DrawString(iter.GetText(), new XFont(m_font, options), new XSolidBrush(XColors.Black), (double)xPen, (double)yPen, new XStringFormat()
{
Alignment = XStringAlignment.Near
});
//
yPos += layout.GetAscent() + layout.GetDescent() + layout.GetLeading();
if (width < layout.GetAdvance())
{
width = layout.GetAdvance();
}
}
else // we have a tab
{
LineBreakMeasurer measurer = new LineBreakMeasurer(iter);
layout = measurer.NextLayout(9999, tabPos);
float lineHeight_1 = layout.GetAscent() + layout.GetDescent() + layout.GetLeading();
yPen = yPos + layout.GetAscent();
g2D.DrawString(iter.GetText(), new XFont(m_font, new XPdfFontOptions(PdfSharp.Pdf.PdfFontEncoding.Unicode, PdfSharp.Pdf.PdfFontEmbedding.Always)), new XSolidBrush(XColors.Black), (double)xPen, (double)yPen); // first part before tab
xPen = GetTabPos(xPos, layout.GetAdvance());
float lineWidth = xPen - xPos;
layout = measurer.NextLayout(9999);//, iter.getEndIndex(), true);
float lineHeight_2 = layout.GetAscent() + layout.GetDescent() + layout.GetLeading();
//layout.draw(g2D, xPen, yPen); // second part after tab
//
yPos += Math.Max(lineHeight_1, lineHeight_2);
lineWidth += layout.GetAdvance();
if (width < lineWidth)
{
width = lineWidth;
}
}
// log.finest( "StringElement.paint - No Limit - " + location.x + "/" + yPos
// + " w=" + layout.getAdvance() + ",h=" + lineHeight + ", Bounds=" + layout.getBounds());
}
// Size Limits
else
{
bool fastDraw = LayoutEngine.s_FASTDRAW;
if (fastDraw && !isView && !is8Bit)
{
fastDraw = false;
}
LineBreakMeasurer measurer = new LineBreakMeasurer(iter);
while (measurer.GetPosition() < iter.GetEndIndex())
{
if (tabPos == -1)
{
layout = measurer.NextLayout(p_maxWidth);
// use fastDraw if the string fits in one line
if (fastDraw && iter.GetEndIndex() != measurer.GetPosition())
{
fastDraw = false;
}
}
else // tab
{
fastDraw = false;
layout = measurer.NextLayout(p_maxWidth, tabPos);
}
// Line Height
float lineHeight = layout.GetAscent() + layout.GetDescent() + layout.GetLeading();
if (p_maxHeight == -1f && i == 0) // one line only
{
p_maxHeight = lineHeight;
}
// If we have hight left over
if (p_maxHeight == 0f || (height + lineHeight) <= p_maxHeight)
{
yPen = (float)location.Y + height + layout.GetAscent();
// Tab in Text
if (tabPos != -1)
{
layout.Draw(g2D, (double)xPen, (double)yPen); // first part before tab
xPen = GetTabPos(xPos, layout.GetAdvance());
layout = measurer.NextLayout(p_width, iter.GetEndIndex());
tabPos = -1; // reset (just one tab)
}
else if ((X_AD_PrintFormatItem.FIELDALIGNMENTTYPE_TrailingRight.Equals(p_FieldAlignmentType) && layout.IsLeftToRight()) ||
(X_AD_PrintFormatItem.FIELDALIGNMENTTYPE_LeadingLeft.Equals(p_FieldAlignmentType)) && !layout.IsLeftToRight())
{
xPen += p_maxWidth - layout.GetAdvance();
}
else if (X_AD_PrintFormatItem.FIELDALIGNMENTTYPE_Center.Equals(p_FieldAlignmentType))
{
xPen += (p_maxWidth - layout.GetAdvance()) / 2;
}
else if (X_AD_PrintFormatItem.FIELDALIGNMENTTYPE_Block.Equals(p_FieldAlignmentType) && measurer.GetPosition() < iter.GetEndIndex())
{
//layout = layout.getJustifiedLayout(p_maxWidth);
fastDraw = false;
}
if (fastDraw)
{
//g2D.setFont(m_font);
//g2D.setPaint(m_paint);
g2D.DrawString(iter.GetText(), new XFont(m_font, new XPdfFontOptions(PdfSharp.Pdf.PdfFontEncoding.Unicode, PdfSharp.Pdf.PdfFontEmbedding.Always)), new XSolidBrush(XColors.Black), (double)xPen, (double)yPen - 7);
}
else
{
layout.Draw(g2D, (double)xPen, (double)yPen);
}
height += lineHeight;
// log.finest( "StringElement.paint - Limit - " + xPen + "/" + yPen
// + " w=" + layout.getAdvance() + ",h=" + lineHeight + ", Align=" + p_FieldAlignmentType + ", Max w=" + p_maxWidth + ",h=" + p_maxHeight + ", Bounds=" + layout.getBounds());
}
}
width = p_maxWidth;
} // size limits
} // for all strings
if (m_check != null)
{
int x = (int)(location.X + width + 1);
int y = (int)(location.Y);
//g2D.DrawImage((bool)m_check ? LayoutEngine.IMAGE_TRUE : LayoutEngine.IMAGE_FALSE, x, y);
}
}
