protected override void OnRender(PrintableElement element, PdfPage page)
{
using (var gfx = XGraphics.FromPdfPage(page))
{
var img = XImage.FromFile(element.Value.ToString());
gfx.DrawImage(img, element.AsXRect());
}
}
protected override void OnRender(PrintableElement element, PdfPage page)
{
using (var gfx = XGraphics.FromPdfPage(page))
{
var rect = element.AsXRect();
gfx.DrawRectangle(null, XBrushes.Black, rect);
}
}
protected override void OnRender(PrintableElement element, PdfPage page)
{
using (var gfx = XGraphics.FromPdfPage(page))
{
var rect = element.AsXRect();
gfx.DrawLine(XPens.Black, rect.Left, rect.Center.Y, rect.Right, rect.Center.Y);
}
}
private void RenderDebug(PrintableElement element, PdfPage page)
{
using (var gfx = XGraphics.FromPdfPage(page))
{
var rect = element.AsXRect();
gfx.DrawRectangle(XPens.Silver, rect);
var font = new XFont("Arial Narrow", 4, XFontStyle.Regular);
var tf = new XTextFormatter(gfx)
{
Alignment = XParagraphAlignment.Right
};
var width = rect.Width > 18 ? 18: 9;
var height = rect.Width > 18 ? 5 : 10;
var dbgStr = $"{element.ElementType} ({XUnit.FromPoint(rect.X).Millimeter:F0},{XUnit.FromPoint(rect.Y).Millimeter:F0})";
gfx.DrawRectangle(new XSolidBrush(XColor.FromArgb(128 + 64, 240, 240, 240)), rect.TopRight.X - width, rect.Y, width, height);
tf.DrawString(dbgStr, font, XBrushes.Navy, element.AsXRect());
}
}
protected override void OnRender(PrintableElement element, PdfPage context)
{
using (var gfx = XGraphics.FromPdfPage(context))
{
var tf = new XTextFormatter(gfx);
var value = element.Value.ToString();
XStringFormat format = new XStringFormat();
format.LineAlignment = XLineAlignment.Near;
format.Alignment = XStringAlignment.Near;
if (element.Value is string || element.Value is DateTime)
{
tf.Alignment = XParagraphAlignment.Left;
}
else
{
if (element.HasProperty(PrintableElementProperty.Precision))
{
var prec = element.Properties[PrintableElementProperty.Precision];
value = Convert.ToDecimal(element.Value).ToString("F" + prec);
}
tf.Alignment = XParagraphAlignment.Right;
}
var labelFont = this.ApplyStyle(element, tf);
var rect = element.AsXRect();
if (element.HasProperty(PrintableElementProperty.Rotate))
{
var state = gfx.Save();
var angle = Convert.ToDouble(element.Properties[PrintableElementProperty.Rotate]);
gfx.RotateAtTransform(angle, rect.TopLeft);
tf.DrawString(value, labelFont, XBrushes.Black, rect, format);
gfx.Restore(state);
}
else
{
tf.DrawString(value, labelFont, XBrushes.Black, rect, format);
}
}
}
