public PdfExportHelper(AllCaptionsRetValue allCaptions, Font captionFont, float documentWidthinMillimeters = DocumentWidthinMillimetersDefault)
{
_captions = allCaptions.Captions.ToArray();
_bandLinesAmount = allCaptions.RecursionDepth;
_font = captionFont;
DocumentWidthinMillimeters = documentWidthinMillimeters;
ShouldCaptionBeWordWrapped = false;
using (Bitmap bmpTemp = new Bitmap(1, 1))
{
using (Graphics g = Graphics.FromImage(bmpTemp))
{
g.PageUnit = GraphicsUnit.Millimeter;
float totalWidth = 0.0f;
for (int i = 0; i < _captions.Length; ++i)
{
totalWidth += g.MeasureString(_captions[i], captionFont).Width;
totalWidth += ColumnIndentinMillimeters;
if (totalWidth > DocumentWidthinMillimeters)
{
/* There is not enough space for all column captions.
* Let's check if word wrapping can help. */
ShouldCaptionBeWordWrapped = CanWordWrappingHelp(
_captions, captionFont, g, bmpTemp);
break;
}
}
HeaderHieghtInPixels = (int)CalculateHeaderHeight(_captions, g);
}
}
}
private static AllCaptionsRetValue SelectAllCaptionsRecursively(BaseBand obj, int currentDepth, int maxDepth)
{
if (maxDepth < currentDepth)
{
maxDepth = currentDepth;
}
AllCaptionsRetValue retValue = new AllCaptionsRetValue();
retValue.RecursionDepth = maxDepth;
for (int i = 0; i < obj.Columns.Count; ++i)
{
if (!obj.Columns[i].IsToDelete)
{
retValue.Captions.Add(new CaptionString(
PreProcessString(obj.Columns[i].DisplayText),
obj.Columns[i].IsRowArea, obj.Columns[i].UniquePath));
}
}
for (int i = 0; i < obj.Bands.Count; ++i)
{
if (!obj.Bands[i].IsToDelete)
{
AllCaptionsRetValue captions = SelectAllCaptionsRecursively(obj.Bands[i], currentDepth + 1, maxDepth);
if (captions.Captions.Count > 0)
{
retValue.Captions.AddRange(captions.Captions);
}
if (retValue.RecursionDepth < captions.RecursionDepth)
{
retValue.RecursionDepth = captions.RecursionDepth;
}
}
}
return(retValue);
}
