private static XStringFormat CreateStringFormat(XStringAlignment alignment, XLineAlignment lineAlignment)
{
XStringFormat format = new XStringFormat();
format.Alignment = alignment;
format.LineAlignment = lineAlignment;
return(format);
}
///<summary>The pdfSharp version of drawstring. g is used for measurement. scaleToPix scales xObjects to pixels.</summary>
public static void DrawStringX(XGraphics xg,Graphics g,double scaleToPix,string str,XFont xfont,XBrush xbrush,XRect xbounds, XStringAlignment sa) {
//There are two coordinate systems here: pixels (used by us) and points (used by PdfSharp).
//MeasureString and ALL related measurement functions must use pixels.
//DrawString is the ONLY function that uses points.
//pixels:
Rectangle bounds=new Rectangle((int)(scaleToPix*xbounds.Left),
(int)(scaleToPix*xbounds.Top),
(int)(scaleToPix*xbounds.Width),
(int)(scaleToPix*xbounds.Height));
FontStyle fontstyle=FontStyle.Regular;
if(xfont.Style==XFontStyle.Bold) {
fontstyle=FontStyle.Bold;
}
//pixels: (except Size is em-size)
Font font=new Font(xfont.Name,(float)xfont.Size,fontstyle);
//pixels:
SizeF fit=new SizeF((float)(bounds.Width-rightPad),(float)(font.Height));
StringFormat format=StringFormat.GenericTypographic;
//pixels:
float pixelsPerLine=LineSpacingForFont(font.Name) * (float)font.Height;
float lineIdx=0;
int chars;
int lines;
//points:
RectangleF layoutRectangle;
for(int ix=0;ix<str.Length;ix+=chars) {
if(bounds.Y+topPad+pixelsPerLine*lineIdx>bounds.Bottom) {
break;
}
//pixels:
g.MeasureString(str.Substring(ix),font,fit,format,out chars,out lines);
//PdfSharp isn't smart enough to cut off the lower half of a line.
//if(bounds.Y+topPad+pixelsPerLine*lineIdx+font.Height > bounds.Bottom) {
// layoutH=bounds.Bottom-(bounds.Y+topPad+pixelsPerLine*lineIdx);
//}
//else {
// layoutH=font.Height+2;
//}
//use points here:
float adjustTextDown=10f;//this value was arrived at by trial and error.
layoutRectangle=new RectangleF(
(float)xbounds.X,
//(float)(xbounds.Y+(float)topPad/scaleToPix+(pixelsPerLine/scaleToPix)*lineIdx),
(float)(xbounds.Y+adjustTextDown+(pixelsPerLine/scaleToPix)*lineIdx),
(float)xbounds.Width+50,//any amount of extra padding here will not cause malfunction
0);//layoutH);
XStringFormat sf=XStringFormats.Default;
sf.Alignment=sa;
//sf.LineAlignment= XLineAlignment.Near;
//xg.DrawString(str.Substring(ix,chars),xfont,xbrush,layoutRectangle,sf);
xg.DrawString(str.Substring(ix,chars),xfont,xbrush,(double)layoutRectangle.Left,(double)layoutRectangle.Top,sf);
lineIdx+=1;
}
}
private static XStringFormat CreateStringFormat(XStringAlignment alignment, XLineAlignment lineAlignment)
{
XStringFormat format = new XStringFormat();
format.Alignment = alignment;
format.LineAlignment = lineAlignment;
return format;
}
