/// <summary>
/// 20130610 :: Add TextBackground modifiers to paint backgrounds.
/// 20130718 :: Add arabic support
/// </summary>
/// <param name="chunk"></param>
/// <param name="x"></param>
/// <param name="width"></param>
/// <param name="ELEMENT_ALIGN"></param>
/// <param name="height"></param>
/// <param name="txtBackgroundAttrs"></param>
public void DrawBlockString(iTextSharp.text.Chunk chunk, float x, float width, int ELEMENT_ALIGN, float height, BlockStyle txtBackgroundAttrs )
{
//20130610 :: mellorasinxelas
iTextSharp.text.pdf.ColumnText column = new iTextSharp.text.pdf.ColumnText(iPDFContent);
float offsetTextInit = 0.0F;
if(txtBackgroundAttrs != null && (txtBackgroundAttrs.BackgroundColor != null || txtBackgroundAttrs.BorderColor != null)){
iPDFContent.SaveState();
bool hasBorder = false;
bool usePath = false;
bool hasBackground = false;
/*
public const int TOP_BORDER = 1;
public const int BOTTOM_BORDER = 2;
public const int LEFT_BORDER = 4;
public const int RIGHT_BORDER = 8;
public const int NO_BORDER = 0;
*/
//iTextSharp.text.Rectangle rec = new iTextSharp.text.Rectangle( x, current_y, width, height ); -> no runs
//process border
if(txtBackgroundAttrs.BorderColor != null && txtBackgroundAttrs.Borders != iTextSharp.text.Rectangle.NO_BORDER){
iPDFContent.SetColorStroke( new BaseColor( txtBackgroundAttrs.BorderColor.Value ) );
if(txtBackgroundAttrs.BorderWidth > 0.0F){
iPDFContent.SetLineWidth( txtBackgroundAttrs.BorderWidth ); //add border width
//rec.BorderWidth = txtBackgroundAttrs.BorderWidth; -> no runs
offsetTextInit = txtBackgroundAttrs.BorderWidth + 1; //add offset.
hasBorder = true;
}
//process each border..
if(txtBackgroundAttrs.Borders != 15){
usePath = true; //paint border with lines..
}
}
//process background
if(txtBackgroundAttrs.BackgroundColor != null && txtBackgroundAttrs.FillBackground){
iPDFContent.SetColorFill( new BaseColor( txtBackgroundAttrs.BackgroundColor.Value ) );
//rec.BackgroundColor = new BaseColor( txtBackgroundAttrs.BackgroundColor.Value ); -> no runs
hasBackground = true;
}
//iPDFContent.Rectangle( rec );//draw rectangle -> no runs
if ((hasBorder && !usePath) || hasBackground){
//put rectangle
iPDFContent.Rectangle( x, current_y, width, height );//draw rectangle
}
if( (hasBorder && !usePath ) && hasBackground){
iPDFContent.ClosePathFillStroke();
}
else if(hasBackground){
iPDFContent.Fill();
}
else if(hasBorder && !usePath){
iPDFContent.ClosePathStroke();
}
else{
//nothing. If it has border color but hasn't border.
}
if(usePath){
//need paint each border
//first top
if((txtBackgroundAttrs.Borders & iTextSharp.text.Rectangle.TOP_BORDER) == iTextSharp.text.Rectangle.TOP_BORDER ){
iPDFContent.MoveTo(x, Current_y + height);
iPDFContent.LineTo( x + width, Current_y + height);
iPDFContent.Stroke();
}
//left
if((txtBackgroundAttrs.Borders & iTextSharp.text.Rectangle.LEFT_BORDER) == iTextSharp.text.Rectangle.LEFT_BORDER ){
iPDFContent.MoveTo(x, Current_y);
iPDFContent.LineTo( x, Current_y + height);
iPDFContent.Stroke();
}
//right
if((txtBackgroundAttrs.Borders & iTextSharp.text.Rectangle.RIGHT_BORDER) == iTextSharp.text.Rectangle.RIGHT_BORDER ){
iPDFContent.MoveTo(x + width, Current_y);
iPDFContent.LineTo( x + width, Current_y + height);
iPDFContent.Stroke();
}
//botton
if((txtBackgroundAttrs.Borders & iTextSharp.text.Rectangle.BOTTOM_BORDER) == iTextSharp.text.Rectangle.BOTTOM_BORDER ){
iPDFContent.MoveTo(x, Current_y);
iPDFContent.LineTo( x + width, Current_y);
iPDFContent.Stroke();
}
}
iPDFContent.RestoreState();
}
//----
//paint text column. Add offset
column.SetSimpleColumn( x + offsetTextInit , current_y ,
x + width - offsetTextInit , current_y + height
);//add offset
column.AddText(chunk);
column.Alignment = ELEMENT_ALIGN;
column.SetLeading(0, 1);
//20130718 :: Add arabic support
if (_detectRightToLeft && IsArabicHebrewText(chunk.Content))
{
column.RunDirection = iTextSharp.text.pdf.PdfWriter.RUN_DIRECTION_RTL;
}
//----
column.Go();
}
/// <summary>
/// Draws a block string
/// </summary>
/// <param name="txt"></param>
/// <param name="x"></param>
/// <param name="width"></param>
/// <param name="fontAttrs"></param>
/// <param name="textAttrs"></param>
public void DrawBlockString(string txt, float x, float width,
XmlAttributeCollection fontAttrs, XmlAttributeCollection textAttrs)
{
iTextSharp.text.Font font = CreateFontFromAttribute(fontAttrs);
int align = PDFDrawItextSharpHelper.Align(
Moon.PDFDraw.Helper.GetAttributeValue(AlignAttributeConstant, textAttrs, "Near"));
iTextSharp.text.Chunk chunk = new iTextSharp.text.Chunk(txt, font);
//20130605 :: mellorasinxelas
BlockStyle backgroundDef = new BlockStyle( textAttrs );//load text background values.
if(backgroundDef.BackgroundColor != null){
chunk.SetBackground( new BaseColor(backgroundDef.BackgroundColor.Value) );//sets the same backcolor to the text.
}
//----
float height = Moon.PDFDraw.Helper.GetFloatAttributeValue( "height", textAttrs, font.Size + (font.Size / 2));
DrawBlockString(chunk, x, width, align, height, backgroundDef);
}
