////////////////////////////////////////////////////////////////////
// Draw text within text box center or right justified
////////////////////////////////////////////////////////////////////
private Double DrawText(
Double PosX,
Double PosY,
Double Width,
TextBoxJustify Justify,
TextBoxLine Line,
PdfPage Page
)
{
Double LineWidth = 0;
foreach(TextBoxSeg Seg in Line.SegArray) LineWidth += Seg.SegWidth;
Double SegPosX = PosX;
if(Justify == TextBoxJustify.Right) SegPosX += Width - LineWidth;
else SegPosX += 0.5 * (Width - LineWidth);
foreach(TextBoxSeg Seg in Line.SegArray)
{
Double SegWidth = DrawText(Seg.Font, Seg.FontSize, SegPosX, PosY, TextJustify.Left, Seg.DrawStyle, Seg.FontColor, Seg.Text);
if(Seg.WebLink != null)
{
if(Page == null) throw new ApplicationException("TextBox with WebLink. You must call DrawText with PdfPage");
Page.AddWebLink(SegPosX, PosY - Seg.Font.DescentPlusLeading(Seg.FontSize), SegPosX + SegWidth, PosY + Seg.Font.AscentPlusLeading(Seg.FontSize), Seg.WebLink);
}
SegPosX += SegWidth;
}
return(SegPosX - PosX);
}
////////////////////////////////////////////////////////////////////
// Draw text justify to width within text box
////////////////////////////////////////////////////////////////////
private Double DrawText(
Double PosX,
Double PosY,
Double Width,
TextBoxLine Line,
PdfPage Page
)
{
Double WordSpacing;
Double CharSpacing;
if(!TextFitToWidth(Width, out WordSpacing, out CharSpacing, Line)) return(DrawText(PosX, PosY, Line, Page));
SaveGraphicsState();
SetWordSpacing(WordSpacing);
SetCharacterSpacing(CharSpacing);
Double SegPosX = PosX;
foreach(TextBoxSeg Seg in Line.SegArray)
{
Double SegWidth = DrawText(Seg.Font, Seg.FontSize, SegPosX, PosY, TextJustify.Left, Seg.DrawStyle, Seg.FontColor, Seg.Text) + Seg.SpaceCount * WordSpacing + Seg.Text.Length * CharSpacing;
if(Seg.WebLink != null)
{
if(Page == null) throw new ApplicationException("TextBox with WebLink. You must call DrawText with PdfPage");
Page.AddWebLink(SegPosX, PosY - Seg.Font.DescentPlusLeading(Seg.FontSize), SegPosX + SegWidth, PosY + Seg.Font.AscentPlusLeading(Seg.FontSize), Seg.WebLink);
}
SegPosX += SegWidth;
}
RestoreGraphicsState();
return(SegPosX - PosX);
}
////////////////////////////////////////////////////////////////////
/// <summary>
/// Draw web link with one line of text
/// </summary>
/// <param name="Page">Current page</param>
/// <param name="Font">Font</param>
/// <param name="FontSize">Font size</param>
/// <param name="TextAbsPosX">Text absolute position X</param>
/// <param name="TextAbsPosY">Text absolute position Y</param>
/// <param name="Justify">Text justify enumeration.</param>
/// <param name="DrawStyle">Draw style enumeration</param>
/// <param name="TextColor">Color</param>
/// <param name="Text">Text</param>
/// <param name="WebLink">Web link</param>
/// <returns>Text width</returns>
/// <remarks>
/// The position arguments are in relation to the
/// bottom left corner of the paper.
/// </remarks>
////////////////////////////////////////////////////////////////////
public Double DrawWebLink(
PdfPage Page,
PdfFont Font,
Double FontSize, // in points
Double TextAbsPosX,
Double TextAbsPosY,
TextJustify Justify,
DrawStyle DrawStyle,
Color TextColor,
String Text,
String WebLink
)
{
Double Width = DrawText(Font, FontSize, TextAbsPosX, TextAbsPosY, Justify, DrawStyle, TextColor, Text);
if(Width == 0.0) return(0.0);
// adjust position
switch(Justify)
{
// right
case TextJustify.Right:
TextAbsPosX -= Width;
break;
// center
case TextJustify.Center:
TextAbsPosX -= 0.5 * Width;
break;
}
Page.AddWebLink(TextAbsPosX, TextAbsPosY - Font.DescentPlusLeading(FontSize), TextAbsPosX + Width, TextAbsPosY + Font.AscentPlusLeading(FontSize), WebLink);
return(Width);
}
