private PdfObject GetParentAttribute(IPdfStructureElement parent, PdfName name)
{
if (parent == null)
{
return(null);
}
return(parent.GetAttribute(name));
}
private void WriteAttributes(Paragraph paragraph)
{
if (paragraph != null)
{
// Setting non-inheritable attributes
if (paragraph.SpacingBefore.CompareTo(0f) != 0)
{
this.SetAttribute(PdfName.SPACEBEFORE, new PdfNumber(paragraph.SpacingBefore));
}
if (paragraph.SpacingAfter.CompareTo(0f) != 0)
{
this.SetAttribute(PdfName.SPACEAFTER, new PdfNumber(paragraph.SpacingAfter));
}
// Setting inheritable attributes
IPdfStructureElement parent = (IPdfStructureElement)this.GetParent(true);
PdfObject obj = parent.GetAttribute(PdfName.COLOR);
if ((paragraph.Font != null) && (paragraph.Font.Color != null))
{
BaseColor c = paragraph.Font.Color;
SetColorAttribute(c, obj, PdfName.COLOR);
}
obj = parent.GetAttribute(PdfName.TEXTINDENT);
if (paragraph.FirstLineIndent.CompareTo(0f) != 0)
{
bool writeIndent = true;
if (obj is PdfNumber)
{
if (((PdfNumber)obj).FloatValue.CompareTo(paragraph.FirstLineIndent) == 0)
{
writeIndent = false;
}
}
if (writeIndent)
{
this.SetAttribute(PdfName.TEXTINDENT, new PdfNumber(paragraph.FirstLineIndent));
}
}
obj = parent.GetAttribute(PdfName.STARTINDENT);
if (obj is PdfNumber)
{
float startIndent = ((PdfNumber)obj).FloatValue;
if (startIndent.CompareTo(paragraph.IndentationLeft) != 0)
{
this.SetAttribute(PdfName.STARTINDENT, new PdfNumber(paragraph.IndentationLeft));
}
}
else
{
if (Math.Abs(paragraph.IndentationLeft) > float.Epsilon)
{
this.SetAttribute(PdfName.STARTINDENT, new PdfNumber(paragraph.IndentationLeft));
}
}
obj = parent.GetAttribute(PdfName.ENDINDENT);
if (obj is PdfNumber)
{
float endIndent = ((PdfNumber)obj).FloatValue;
if (endIndent.CompareTo(paragraph.IndentationRight) != 0)
{
this.SetAttribute(PdfName.ENDINDENT, new PdfNumber(paragraph.IndentationRight));
}
}
else
{
if (paragraph.IndentationRight.CompareTo(0) != 0)
{
this.SetAttribute(PdfName.ENDINDENT, new PdfNumber(paragraph.IndentationRight));
}
}
SetTextAlignAttribute(paragraph.Alignment);
}
}
private void WriteAttributes(Chunk chunk)
{
if (chunk != null)
{
if (chunk.GetImage() != null)
{
WriteAttributes(chunk.GetImage());
}
else
{
Dictionary <String, Object> attr = chunk.Attributes;
if (attr != null)
{
// Setting non-inheritable attributes
if (attr.ContainsKey(Chunk.UNDERLINE))
{
this.SetAttribute(PdfName.TEXTDECORATIONTYPE, PdfName.UNDERLINE);
}
if (attr.ContainsKey(Chunk.BACKGROUND))
{
Object[] back = (Object[])attr[Chunk.BACKGROUND];
BaseColor color = (BaseColor)back[0];
this.SetAttribute(PdfName.BACKGROUNDCOLOR,
new PdfArray(new float[] { color.R / 255f, color.G / 255f, color.B / 255f }));
}
// Setting inheritable attributes
IPdfStructureElement parent = (IPdfStructureElement)this.GetParent(true);
PdfObject obj = parent.GetAttribute(PdfName.COLOR);
if ((chunk.Font != null) && (chunk.Font.Color != null))
{
BaseColor c = chunk.Font.Color;
SetColorAttribute(c, obj, PdfName.COLOR);
}
PdfObject decorThickness = parent.GetAttribute(PdfName.TEXTDECORATIONTHICKNESS);
PdfObject decorColor = parent.GetAttribute(PdfName.TEXTDECORATIONCOLOR);
if (attr.ContainsKey(Chunk.UNDERLINE))
{
Object[][] unders = (Object[][])attr[Chunk.UNDERLINE];
Object[] arr = unders[unders.Length - 1];
BaseColor color = (BaseColor)arr[0];
float[] floats = (float[])arr[1];
float thickness = floats[0];
// Setting thickness
if (decorThickness is PdfNumber)
{
float t = ((PdfNumber)decorThickness).FloatValue;
if (thickness.CompareTo(t) != 0)
{
this.SetAttribute(PdfName.TEXTDECORATIONTHICKNESS, new PdfNumber(thickness));
}
}
else
{
this.SetAttribute(PdfName.TEXTDECORATIONTHICKNESS, new PdfNumber(thickness));
}
// Setting decoration color
if (color != null)
{
SetColorAttribute(color, decorColor, PdfName.TEXTDECORATIONCOLOR);
}
}
if (attr.ContainsKey(Chunk.LINEHEIGHT))
{
float height = (float)attr[Chunk.LINEHEIGHT];
PdfObject parentLH = parent.GetAttribute(PdfName.LINEHEIGHT);
if (parentLH is PdfNumber)
{
float pLH = ((PdfNumber)parentLH).FloatValue;
if (pLH.CompareTo(height) != 0)
{
this.SetAttribute(PdfName.LINEHEIGHT, new PdfNumber(height));
}
}
else
{
this.SetAttribute(PdfName.LINEHEIGHT, new PdfNumber(height));
}
}
}
}
}
}
private PdfObject GetParentAttribute(IPdfStructureElement parent, PdfName name) {
if (parent == null) {
return null;
}
return parent.GetAttribute(name);
}
private void WriteAttributes(Paragraph paragraph)
{
if (paragraph != null)
{
// Setting non-inheritable attributes
if (paragraph.SpacingBefore.CompareTo(0f) != 0)
{
this.SetAttribute(PdfName.SPACEBEFORE, new PdfNumber(paragraph.SpacingBefore));
}
if (paragraph.SpacingAfter.CompareTo(0f) != 0)
{
this.SetAttribute(PdfName.SPACEAFTER, new PdfNumber(paragraph.SpacingAfter));
}
// Setting inheritable attributes
IPdfStructureElement parent = (IPdfStructureElement)this.GetParent(true);
PdfObject obj = parent.GetAttribute(PdfName.COLOR);
if ((paragraph.Font != null) && (paragraph.Font.Color != null))
{
BaseColor c = paragraph.Font.Color;
SetColorAttribute(c, obj, PdfName.COLOR);
}
obj = parent.GetAttribute(PdfName.TEXTINDENT);
if (paragraph.FirstLineIndent.CompareTo(0f) != 0)
{
bool writeIndent = true;
if (obj is PdfNumber)
{
if (((PdfNumber)obj).FloatValue.CompareTo(paragraph.FirstLineIndent) == 0)
{
writeIndent = false;
}
}
if (writeIndent)
{
this.SetAttribute(PdfName.TEXTINDENT, new PdfNumber(paragraph.FirstLineIndent));
}
}
obj = parent.GetAttribute(PdfName.STARTINDENT);
if (obj is PdfNumber)
{
float startIndent = ((PdfNumber)obj).FloatValue;
if (startIndent.CompareTo(paragraph.IndentationLeft) != 0)
{
this.SetAttribute(PdfName.STARTINDENT, new PdfNumber(paragraph.IndentationLeft));
}
}
else
{
if (Math.Abs(paragraph.IndentationLeft) > float.MinValue)
{
this.SetAttribute(PdfName.STARTINDENT, new PdfNumber(paragraph.IndentationLeft));
}
}
obj = parent.GetAttribute(PdfName.ENDINDENT);
if (obj is PdfNumber)
{
float endIndent = ((PdfNumber)obj).FloatValue;
if (endIndent.CompareTo(paragraph.IndentationRight) != 0)
{
this.SetAttribute(PdfName.ENDINDENT, new PdfNumber(paragraph.IndentationRight));
}
}
else
{
if (paragraph.IndentationRight.CompareTo(0) != 0)
{
this.SetAttribute(PdfName.ENDINDENT, new PdfNumber(paragraph.IndentationRight));
}
}
PdfName align = null;
switch (paragraph.Alignment)
{
case Element.ALIGN_LEFT:
align = PdfName.START;
break;
case Element.ALIGN_CENTER:
align = PdfName.CENTER;
break;
case Element.ALIGN_RIGHT:
align = PdfName.END;
break;
case Element.ALIGN_JUSTIFIED:
align = PdfName.JUSTIFY;
break;
}
obj = parent.GetAttribute(PdfName.TEXTALIGN);
if (obj is PdfName)
{
PdfName textAlign = ((PdfName)obj);
if (align != null && !textAlign.Equals(align))
{
this.SetAttribute(PdfName.TEXTALIGN, align);
}
}
else
{
if (align != null && !PdfName.START.Equals(align))
{
this.SetAttribute(PdfName.TEXTALIGN, align);
}
}
}
}
