/**
* Creates a line from the chunk array.
* @param width the width of the line
* @return the line or null if no more chunks
*/
protected PdfLine CreateLine(float width)
{
if (chunks.Count == 0)
{
return(null);
}
splittedChunkText = null;
currentStandbyChunk = null;
PdfLine line = new PdfLine(0, width, alignment, 0);
string total;
for (currentChunkMarker = 0; currentChunkMarker < chunks.Count; ++currentChunkMarker)
{
PdfChunk original = (PdfChunk)(chunks[currentChunkMarker]);
total = original.ToString();
currentStandbyChunk = line.Add(original);
if (currentStandbyChunk != null)
{
splittedChunkText = original.ToString();
original.Value = total;
return(line);
}
}
return(line);
}
// constructors
/**
* Constructs a <CODE>PdfChunk</CODE>-object.
*
* @param string the content of the <CODE>PdfChunk</CODE>-object
* @param font the <CODE>PdfFont</CODE>
* @param attributes the metrics attributes
* @param noStroke the non metric attributes
*/
internal PdfChunk(string str, PdfChunk other)
{
thisChunk[0] = this;
value = str;
this.font = other.font;
this.attributes = other.attributes;
this.noStroke = other.noStroke;
this.baseFont = other.baseFont;
Object[] obj = (Object[])attributes[Chunk.IMAGE];
if (obj == null)
{
image = null;
}
else
{
image = (Image)obj[0];
offsetX = (float)obj[1];
offsetY = (float)obj[2];
changeLeading = (bool)obj[3];
}
encoding = font.Font.Encoding;
splitCharacter = (ISplitCharacter)noStroke[Chunk.SPLITCHARACTER];
if (splitCharacter == null)
{
splitCharacter = DefaultSplitCharacter.DEFAULT;
}
}
public float GetWidthCorrected(float charSpacing, float wordSpacing)
{
float total = 0;
for (int k = 0; k < line.Count; ++k)
{
PdfChunk ck = (PdfChunk)line[k];
total += ck.GetWidthCorrected(charSpacing, wordSpacing);
}
return(total);
}
private void AddToLine(PdfChunk chunk)
{
if (chunk.ChangeLeading && chunk.IsImage())
{
float f = chunk.Image.ScaledHeight + chunk.ImageOffsetY + chunk.Image.BorderWidthTop;
if (f > height)
{
height = f;
}
}
line.Add(chunk);
}
/**
* Normalizes the list of chunks when the line is accepted.
*/
protected void ShortenChunkArray()
{
if (currentChunkMarker < 0)
{
return;
}
if (currentChunkMarker >= chunks.Count)
{
chunks.Clear();
return;
}
PdfChunk split = (PdfChunk)(chunks[currentChunkMarker]);
split.Value = splittedChunkText;
chunks[currentChunkMarker] = currentStandbyChunk;
for (int j = currentChunkMarker - 1; j >= 0; --j)
{
chunks.RemoveAt(j);
}
}
private void AddList(List list, float left, float right, int alignment)
{
PdfChunk chunk;
PdfChunk overflow;
ArrayList allActions = new ArrayList();
ProcessActions(list, null, allActions);
int aCounter = 0;
foreach (IElement ele in list.Items)
{
switch (ele.Type)
{
case Element.LISTITEM:
ListItem item = (ListItem)ele;
line = new PdfLine(left + item.IndentationLeft, right, alignment, item.Leading);
line.ListItem = item;
foreach (Chunk c in item.Chunks)
{
chunk = new PdfChunk(c, (PdfAction)(allActions[aCounter++]));
while ((overflow = line.Add(chunk)) != null)
{
AddLine(line);
line = new PdfLine(left + item.IndentationLeft, right, alignment, item.Leading);
chunk = overflow;
}
line.ResetAlignment();
AddLine(line);
line = new PdfLine(left + item.IndentationLeft, right, alignment, leading);
}
break;
case Element.LIST:
List sublist = (List)ele;
AddList(sublist, left + sublist.IndentationLeft, right, alignment);
break;
}
}
}
// constructors
/**
* Constructs a <CODE>PdfCell</CODE>-object.
*
* @param cell the original <CODE>Cell</CODE>
* @param rownumber the number of the <CODE>Row</CODE> the <CODE>Cell</CODE> was in.
* @param left the left border of the <CODE>PdfCell</CODE>
* @param right the right border of the <CODE>PdfCell</CODE>
* @param top the top border of the <CODE>PdfCell</CODE>
* @param cellspacing the cellspacing of the <CODE>Table</CODE>
* @param cellpadding the cellpadding of the <CODE>Table</CODE>
*/
public PdfCell(Cell cell, int rownumber, float left, float right, float top, float cellspacing, float cellpadding) : base(left, top, right, top)
{
// copying the other Rectangle attributes from class Cell
CloneNonPositionParameters(cell);
this.cellpadding = cellpadding;
this.cellspacing = cellspacing;
this.verticalAlignment = cell.VerticalAlignment;
this.useAscender = cell.UseAscender;
this.useDescender = cell.UseDescender;
this.useBorderPadding = cell.UseBorderPadding;
// initialisation of some parameters
PdfChunk chunk;
PdfChunk overflow;
lines = new ArrayList();
images = new ArrayList();
leading = cell.Leading;
int alignment = cell.HorizontalAlignment;
left += cellspacing + cellpadding;
right -= cellspacing + cellpadding;
left += GetBorderWidthInside(LEFT_BORDER);
right -= GetBorderWidthInside(RIGHT_BORDER);
contentHeight = 0;
rowspan = cell.Rowspan;
ArrayList allActions;
int aCounter;
// we loop over all the elements of the cell
foreach (IElement ele in cell.Elements)
{
switch (ele.Type)
{
case Element.JPEG:
case Element.JPEG2000:
case Element.JBIG2:
case Element.IMGRAW:
case Element.IMGTEMPLATE:
AddImage((Image)ele, left, right, 0.4f * leading, alignment);
break;
// if the element is a list
case Element.LIST:
if (line != null && line.Size > 0)
{
line.ResetAlignment();
AddLine(line);
}
// we loop over all the listitems
AddList((List)ele, left, right, alignment);
line = new PdfLine(left, right, alignment, leading);
break;
// if the element is something else
default:
allActions = new ArrayList();
ProcessActions(ele, null, allActions);
aCounter = 0;
float currentLineLeading = leading;
float currentLeft = left;
float currentRight = right;
if (ele is Phrase)
{
currentLineLeading = ((Phrase)ele).Leading;
}
if (ele is Paragraph)
{
Paragraph p = (Paragraph)ele;
currentLeft += p.IndentationLeft;
currentRight -= p.IndentationRight;
}
if (line == null)
{
line = new PdfLine(currentLeft, currentRight, alignment, currentLineLeading);
}
// we loop over the chunks
ArrayList chunks = ele.Chunks;
if (chunks.Count == 0)
{
AddLine(line); // add empty line - all cells need some lines even if they are empty
line = new PdfLine(currentLeft, currentRight, alignment, currentLineLeading);
}
else
{
foreach (Chunk c in chunks)
{
chunk = new PdfChunk(c, (PdfAction)allActions[aCounter++]);
while ((overflow = line.Add(chunk)) != null)
{
AddLine(line);
line = new PdfLine(currentLeft, currentRight, alignment, currentLineLeading);
chunk = overflow;
}
}
}
// if the element is a paragraph, section or chapter, we reset the alignment and add the line
switch (ele.Type)
{
case Element.PARAGRAPH:
case Element.SECTION:
case Element.CHAPTER:
line.ResetAlignment();
FlushCurrentLine();
break;
}
break;
}
}
FlushCurrentLine();
if (lines.Count > cell.MaxLines)
{
while (lines.Count > cell.MaxLines)
{
RemoveLine(lines.Count - 1);
}
if (cell.MaxLines > 0)
{
String more = cell.ShowTruncation;
if (more != null && more.Length > 0)
{
// Denote that the content has been truncated
lastLine = (PdfLine)lines[lines.Count - 1];
if (lastLine.Size >= 0)
{
PdfChunk lastChunk = lastLine.GetChunk(lastLine.Size - 1);
float moreWidth = new PdfChunk(more, lastChunk).Width;
while (lastChunk.ToString().Length > 0 && lastChunk.Width + moreWidth > right - left)
{
// Remove characters to leave room for the 'more' indicator
lastChunk.Value = lastChunk.ToString().Substring(0, lastChunk.Length - 1);
}
lastChunk.Value = lastChunk.ToString() + more;
}
else
{
lastLine.Add(new PdfChunk(new Chunk(more), null));
}
}
}
}
// we set some additional parameters
if (useDescender && lastLine != null)
{
contentHeight -= lastLine.Descender;
}
// adjust first line height so that it touches the top
if (lines.Count > 0)
{
firstLine = (PdfLine)lines[0];
float firstLineRealHeight = FirstLineRealHeight;
contentHeight -= firstLine.Height;
firstLine.height = firstLineRealHeight;
contentHeight += firstLineRealHeight;
}
float newBottom = top - contentHeight - (2f * Cellpadding) - (2f * Cellspacing);
newBottom -= GetBorderWidthInside(TOP_BORDER) + GetBorderWidthInside(BOTTOM_BORDER);
Bottom = newBottom;
this.rownumber = rownumber;
}
/**
* Truncates this <CODE>PdfChunk</CODE> if it's too long for the given width.
* <P>
* Returns <VAR>null</VAR> if the <CODE>PdfChunk</CODE> wasn't truncated.
*
* @param width a given width
* @return the <CODE>PdfChunk</CODE> that doesn't fit into the width.
*/
internal PdfChunk Truncate(float width)
{
if (image != null)
{
if (image.ScaledWidth > width)
{
PdfChunk pc = new PdfChunk("", this);
value = "";
attributes.Remove(Chunk.IMAGE);
image = null;
font = PdfFont.DefaultFont;
return(pc);
}
else
{
return(null);
}
}
int currentPosition = 0;
float currentWidth = 0;
// it's no use trying to split if there isn't even enough place for a space
if (width < font.Width())
{
string returnValue = value.Substring(1);
value = value.Substring(0, 1);
PdfChunk pc = new PdfChunk(returnValue, this);
return(pc);
}
// loop over all the characters of a string
// or until the totalWidth is reached
int length = value.Length;
bool surrogate = false;
while (currentPosition < length)
{
// the width of every character is added to the currentWidth
surrogate = Utilities.IsSurrogatePair(value, currentPosition);
if (surrogate)
{
currentWidth += font.Width(Utilities.ConvertToUtf32(value, currentPosition));
}
else
{
currentWidth += font.Width(value[currentPosition]);
}
if (currentWidth > width)
{
break;
}
if (surrogate)
{
currentPosition++;
}
currentPosition++;
}
// if all the characters fit in the total width, null is returned (there is no overflow)
if (currentPosition == length)
{
return(null);
}
// otherwise, the string has to be truncated
//currentPosition -= 2;
// we have to chop off minimum 1 character from the chunk
if (currentPosition == 0)
{
currentPosition = 1;
if (surrogate)
{
++currentPosition;
}
}
string retVal = value.Substring(currentPosition);
value = value.Substring(0, currentPosition);
PdfChunk tmp = new PdfChunk(retVal, this);
return(tmp);
}
// constructors
/**
* Constructs a <CODE>PdfCell</CODE>-object.
*
* @param cell the original <CODE>Cell</CODE>
* @param rownumber the number of the <CODE>Row</CODE> the <CODE>Cell</CODE> was in.
* @param left the left border of the <CODE>PdfCell</CODE>
* @param right the right border of the <CODE>PdfCell</CODE>
* @param top the top border of the <CODE>PdfCell</CODE>
* @param cellspacing the cellspacing of the <CODE>Table</CODE>
* @param cellpadding the cellpadding of the <CODE>Table</CODE>
*/
public PdfCell(Cell cell, int rownumber, float left, float right, float top, float cellspacing, float cellpadding)
: base(left, top, right, top)
{
// copying the other Rectangle attributes from class Cell
CloneNonPositionParameters(cell);
this.cellpadding = cellpadding;
this.cellspacing = cellspacing;
this.verticalAlignment = cell.VerticalAlignment;
this.useAscender = cell.UseAscender;
this.useDescender = cell.UseDescender;
this.useBorderPadding = cell.UseBorderPadding;
// initialisation of some parameters
PdfChunk chunk;
PdfChunk overflow;
lines = new ArrayList();
images = new ArrayList();
leading = cell.Leading;
int alignment = cell.HorizontalAlignment;
left += cellspacing + cellpadding;
right -= cellspacing + cellpadding;
left += GetBorderWidthInside(LEFT_BORDER);
right -= GetBorderWidthInside(RIGHT_BORDER);
contentHeight = 0;
rowspan = cell.Rowspan;
ArrayList allActions;
int aCounter;
// we loop over all the elements of the cell
foreach (IElement ele in cell.Elements) {
switch (ele.Type) {
case Element.JPEG:
case Element.JPEG2000:
case Element.JBIG2:
case Element.IMGRAW:
case Element.IMGTEMPLATE:
AddImage((Image)ele, left, right, 0.4f * leading, alignment);
break;
// if the element is a list
case Element.LIST:
if (line != null && line.Size > 0) {
line.ResetAlignment();
AddLine(line);
}
// we loop over all the listitems
AddList((List)ele, left, right, alignment);
line = new PdfLine(left, right, alignment, leading);
break;
// if the element is something else
default:
allActions = new ArrayList();
ProcessActions(ele, null, allActions);
aCounter = 0;
float currentLineLeading = leading;
float currentLeft = left;
float currentRight = right;
if (ele is Phrase) {
currentLineLeading = ((Phrase) ele).Leading;
}
if (ele is Paragraph) {
Paragraph p = (Paragraph) ele;
currentLeft += p.IndentationLeft;
currentRight -= p.IndentationRight;
}
if (line == null) {
line = new PdfLine(currentLeft, currentRight, alignment, currentLineLeading);
}
// we loop over the chunks
ArrayList chunks = ele.Chunks;
if (chunks.Count == 0) {
AddLine(line); // add empty line - all cells need some lines even if they are empty
line = new PdfLine(currentLeft, currentRight, alignment, currentLineLeading);
}
else {
foreach (Chunk c in chunks) {
chunk = new PdfChunk(c, (PdfAction)allActions[aCounter++]);
while ((overflow = line.Add(chunk)) != null) {
AddLine(line);
line = new PdfLine(currentLeft, currentRight, alignment, currentLineLeading);
chunk = overflow;
}
}
}
// if the element is a paragraph, section or chapter, we reset the alignment and add the line
switch (ele.Type) {
case Element.PARAGRAPH:
case Element.SECTION:
case Element.CHAPTER:
line.ResetAlignment();
FlushCurrentLine();
break;
}
break;
}
}
FlushCurrentLine();
if (lines.Count > cell.MaxLines) {
while (lines.Count > cell.MaxLines) {
RemoveLine(lines.Count - 1);
}
if (cell.MaxLines > 0) {
String more = cell.ShowTruncation;
if (more != null && more.Length > 0) {
// Denote that the content has been truncated
lastLine = (PdfLine) lines[lines.Count - 1];
if (lastLine.Size >= 0) {
PdfChunk lastChunk = lastLine.GetChunk(lastLine.Size - 1);
float moreWidth = new PdfChunk(more, lastChunk).Width;
while (lastChunk.ToString().Length > 0 && lastChunk.Width + moreWidth > right - left) {
// Remove characters to leave room for the 'more' indicator
lastChunk.Value = lastChunk.ToString().Substring(0, lastChunk.Length - 1);
}
lastChunk.Value = lastChunk.ToString() + more;
} else {
lastLine.Add(new PdfChunk(new Chunk(more), null));
}
}
}
}
// we set some additional parameters
if (useDescender && lastLine != null) {
contentHeight -= lastLine.Descender;
}
// adjust first line height so that it touches the top
if (lines.Count > 0) {
firstLine = (PdfLine) lines[0];
float firstLineRealHeight = FirstLineRealHeight;
contentHeight -= firstLine.Height;
firstLine.height = firstLineRealHeight;
contentHeight += firstLineRealHeight;
}
float newBottom = top - contentHeight - (2f * Cellpadding) - (2f * Cellspacing);
newBottom -= GetBorderWidthInside(TOP_BORDER) + GetBorderWidthInside(BOTTOM_BORDER);
Bottom = newBottom;
this.rownumber = rownumber;
}
// methods
/**
* Adds a <CODE>PdfChunk</CODE> to the <CODE>PdfLine</CODE>.
*
* @param chunk the <CODE>PdfChunk</CODE> to add
* @return <CODE>null</CODE> if the chunk could be added completely; if not
* a <CODE>PdfChunk</CODE> containing the part of the chunk that could
* not be added is returned
*/
internal PdfChunk Add(PdfChunk chunk)
{
// nothing happens if the chunk is null.
if (chunk == null || chunk.ToString().Equals("")) {
return null;
}
// we split the chunk to be added
PdfChunk overflow = chunk.Split(width);
newlineSplit = (chunk.IsNewlineSplit() || overflow == null);
// if (chunk.IsNewlineSplit() && alignment == Element.ALIGN_JUSTIFIED)
// alignment = Element.ALIGN_LEFT;
if (chunk.IsTab()) {
Object[] tab = (Object[])chunk.GetAttribute(Chunk.TAB);
float tabPosition = (float)tab[1];
bool newline = (bool)tab[2];
if (newline && tabPosition < originalWidth - width) {
return chunk;
}
width = originalWidth - tabPosition;
chunk.AdjustLeft(left);
AddToLine(chunk);
}
// if the length of the chunk > 0 we add it to the line
else if (chunk.Length > 0 || chunk.IsImage()) {
if (overflow != null)
chunk.TrimLastSpace();
width -= chunk.Width;
AddToLine(chunk);
}
// if the length == 0 and there were no other chunks added to the line yet,
// we risk to end up in an endless loop trying endlessly to add the same chunk
else if (line.Count < 1) {
chunk = overflow;
overflow = chunk.Truncate(width);
width -= chunk.Width;
if (chunk.Length > 0) {
AddToLine(chunk);
return overflow;
}
// if the chunck couldn't even be truncated, we add everything, so be it
else {
if (overflow != null)
AddToLine(chunk);
return null;
}
}
else {
width += ((PdfChunk)(line[line.Count - 1])).TrimLastSpace();
}
return overflow;
}
/**
* Splits this <CODE>PdfChunk</CODE> if it's too long for the given width.
* <P>
* Returns <VAR>null</VAR> if the <CODE>PdfChunk</CODE> wasn't truncated.
*
* @param width a given width
* @return the <CODE>PdfChunk</CODE> that doesn't fit into the width.
*/
internal PdfChunk Split(float width)
{
newlineSplit = false;
if (image != null) {
if (image.ScaledWidth > width) {
PdfChunk pc = new PdfChunk(Chunk.OBJECT_REPLACEMENT_CHARACTER, this);
value = "";
attributes = new Hashtable();
image = null;
font = PdfFont.DefaultFont;
return pc;
}
else
return null;
}
IHyphenationEvent hyphenationEvent = (IHyphenationEvent)noStroke[Chunk.HYPHENATION];
int currentPosition = 0;
int splitPosition = -1;
float currentWidth = 0;
// loop over all the characters of a string
// or until the totalWidth is reached
int lastSpace = -1;
float lastSpaceWidth = 0;
int length = value.Length;
char[] valueArray = value.ToCharArray();
char character = (char)0;
BaseFont ft = font.Font;
bool surrogate = false;
if (ft.FontType == BaseFont.FONT_TYPE_CJK && ft.GetUnicodeEquivalent(' ') != ' ') {
while (currentPosition < length) {
// the width of every character is added to the currentWidth
char cidChar = valueArray[currentPosition];
character = (char)ft.GetUnicodeEquivalent(cidChar);
// if a newLine or carriageReturn is encountered
if (character == '\n') {
newlineSplit = true;
string returnValue = value.Substring(currentPosition + 1);
value = value.Substring(0, currentPosition);
if (value.Length < 1) {
value = "\u0001";
}
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
currentWidth += font.Width(cidChar);
if (character == ' ') {
lastSpace = currentPosition + 1;
lastSpaceWidth = currentWidth;
}
if (currentWidth > width)
break;
// if a split-character is encountered, the splitPosition is altered
if (splitCharacter.IsSplitCharacter(0, currentPosition, length, valueArray, thisChunk))
splitPosition = currentPosition + 1;
currentPosition++;
}
}
else {
while (currentPosition < length) {
// the width of every character is added to the currentWidth
character = valueArray[currentPosition];
// if a newLine or carriageReturn is encountered
if (character == '\r' || character == '\n') {
newlineSplit = true;
int inc = 1;
if (character == '\r' && currentPosition + 1 < length && valueArray[currentPosition + 1] == '\n')
inc = 2;
string returnValue = value.Substring(currentPosition + inc);
value = value.Substring(0, currentPosition);
if (value.Length < 1) {
value = " ";
}
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
surrogate = Utilities.IsSurrogatePair(valueArray, currentPosition);
if (surrogate)
currentWidth += font.Width(Utilities.ConvertToUtf32(valueArray[currentPosition], valueArray[currentPosition + 1]));
else
currentWidth += font.Width(character);
if (character == ' ') {
lastSpace = currentPosition + 1;
lastSpaceWidth = currentWidth;
}
if (surrogate)
currentPosition++;
if (currentWidth > width)
break;
// if a split-character is encountered, the splitPosition is altered
if (splitCharacter.IsSplitCharacter(0, currentPosition, length, valueArray, null))
splitPosition = currentPosition + 1;
currentPosition++;
}
}
// if all the characters fit in the total width, null is returned (there is no overflow)
if (currentPosition == length) {
return null;
}
// otherwise, the string has to be truncated
if (splitPosition < 0) {
string returnValue = value;
value = "";
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
if (lastSpace > splitPosition && splitCharacter.IsSplitCharacter(0, 0, 1, singleSpace, null))
splitPosition = lastSpace;
if (hyphenationEvent != null && lastSpace >= 0 && lastSpace < currentPosition) {
int wordIdx = GetWord(value, lastSpace);
if (wordIdx > lastSpace) {
string pre = hyphenationEvent.GetHyphenatedWordPre(value.Substring(lastSpace, wordIdx - lastSpace), font.Font, font.Size, width - lastSpaceWidth);
string post = hyphenationEvent.HyphenatedWordPost;
if (pre.Length > 0) {
string returnValue = post + value.Substring(wordIdx);
value = Trim(value.Substring(0, lastSpace) + pre);
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
}
}
string retVal = value.Substring(splitPosition);
value = Trim(value.Substring(0, splitPosition));
PdfChunk tmp = new PdfChunk(retVal, this);
return tmp;
}
// constructors
/**
* Constructs a <CODE>PdfChunk</CODE>-object.
*
* @param string the content of the <CODE>PdfChunk</CODE>-object
* @param font the <CODE>PdfFont</CODE>
* @param attributes the metrics attributes
* @param noStroke the non metric attributes
*/
internal PdfChunk(string str, PdfChunk other)
{
thisChunk[0] = this;
value = str;
this.font = other.font;
this.attributes = other.attributes;
this.noStroke = other.noStroke;
this.baseFont = other.baseFont;
Object[] obj = (Object[])attributes[Chunk.IMAGE];
if (obj == null)
image = null;
else {
image = (Image)obj[0];
offsetX = (float)obj[1];
offsetY = (float)obj[2];
changeLeading = (bool)obj[3];
}
encoding = font.Font.Encoding;
splitCharacter = (ISplitCharacter)noStroke[Chunk.SPLITCHARACTER];
if (splitCharacter == null)
splitCharacter = DefaultSplitCharacter.DEFAULT;
}
/**
* Returns the current character
* @param current current position in the array
* @param cc the character array that has to be checked
* @param ck chunk array
* @return the current character
*/
protected char GetCurrentCharacter(int current, char[] cc, PdfChunk[] ck)
{
if (ck == null) {
return (char)cc[current];
}
return (char)ck[Math.Min(current, ck.Length - 1)].GetUnicodeEquivalent(cc[current]);
}
public void AddChunk(PdfChunk chunk)
{
chunks.Add(chunk);
}
// methods
/**
* Adds a <CODE>PdfChunk</CODE> to the <CODE>PdfLine</CODE>.
*
* @param chunk the <CODE>PdfChunk</CODE> to add
* @return <CODE>null</CODE> if the chunk could be added completely; if not
* a <CODE>PdfChunk</CODE> containing the part of the chunk that could
* not be added is returned
*/
internal PdfChunk Add(PdfChunk chunk)
{
// nothing happens if the chunk is null.
if (chunk == null || chunk.ToString().Equals(""))
{
return(null);
}
// we split the chunk to be added
PdfChunk overflow = chunk.Split(width);
newlineSplit = (chunk.IsNewlineSplit() || overflow == null);
// if (chunk.IsNewlineSplit() && alignment == Element.ALIGN_JUSTIFIED)
// alignment = Element.ALIGN_LEFT;
if (chunk.IsTab())
{
Object[] tab = (Object[])chunk.GetAttribute(Chunk.TAB);
float tabPosition = (float)tab[1];
bool newline = (bool)tab[2];
if (newline && tabPosition < originalWidth - width)
{
return(chunk);
}
width = originalWidth - tabPosition;
chunk.AdjustLeft(left);
AddToLine(chunk);
}
// if the length of the chunk > 0 we add it to the line
else if (chunk.Length > 0 || chunk.IsImage())
{
if (overflow != null)
{
chunk.TrimLastSpace();
}
width -= chunk.Width;
AddToLine(chunk);
}
// if the length == 0 and there were no other chunks added to the line yet,
// we risk to end up in an endless loop trying endlessly to add the same chunk
else if (line.Count < 1)
{
chunk = overflow;
overflow = chunk.Truncate(width);
width -= chunk.Width;
if (chunk.Length > 0)
{
AddToLine(chunk);
return(overflow);
}
// if the chunck couldn't even be truncated, we add everything, so be it
else
{
if (overflow != null)
{
AddToLine(chunk);
}
return(null);
}
}
else
{
width += ((PdfChunk)(line[line.Count - 1])).TrimLastSpace();
}
return(overflow);
}
private void AddList(List list, float left, float right, int alignment)
{
PdfChunk chunk;
PdfChunk overflow;
ArrayList allActions = new ArrayList();
ProcessActions(list, null, allActions);
int aCounter = 0;
foreach (IElement ele in list.Items) {
switch (ele.Type) {
case Element.LISTITEM:
ListItem item = (ListItem)ele;
line = new PdfLine(left + item.IndentationLeft, right, alignment, item.Leading);
line.ListItem = item;
foreach (Chunk c in item.Chunks) {
chunk = new PdfChunk(c, (PdfAction)(allActions[aCounter++]));
while ((overflow = line.Add(chunk)) != null) {
AddLine(line);
line = new PdfLine(left + item.IndentationLeft, right, alignment, item.Leading);
chunk = overflow;
}
line.ResetAlignment();
AddLine(line);
line = new PdfLine(left + item.IndentationLeft, right, alignment, leading);
}
break;
case Element.LIST:
List sublist = (List)ele;
AddList(sublist, left + sublist.IndentationLeft, right, alignment);
break;
}
}
}
/**
* Creates a line from the chunk array.
* @param width the width of the line
* @return the line or null if no more chunks
*/
protected PdfLine CreateLine(float width)
{
if (chunks.Count == 0)
return null;
splittedChunkText = null;
currentStandbyChunk = null;
PdfLine line = new PdfLine(0, width, alignment, 0);
string total;
for (currentChunkMarker = 0; currentChunkMarker < chunks.Count; ++currentChunkMarker) {
PdfChunk original = (PdfChunk)(chunks[currentChunkMarker]);
total = original.ToString();
currentStandbyChunk = line.Add(original);
if (currentStandbyChunk != null) {
splittedChunkText = original.ToString();
original.Value = total;
return line;
}
}
return line;
}
public void AddPiece(char c, PdfChunk chunk)
{
if (totalTextLength >= pieceSize) {
char[] tempText = text;
PdfChunk[] tempDetailChunks = detailChunks;
pieceSize *= 2;
text = new char[pieceSize];
detailChunks = new PdfChunk[pieceSize];
Array.Copy(tempText, 0, text, 0, totalTextLength);
Array.Copy(tempDetailChunks, 0, detailChunks, 0, totalTextLength);
}
text[totalTextLength] = c;
detailChunks[totalTextLength++] = chunk;
}
/**
* Checks if a character can be used to split a <CODE>PdfString</CODE>.
* <P>
* for the moment every character less than or equal to SPACE, the character '-'
* and some specific unicode ranges are 'splitCharacters'.
*
* @param start start position in the array
* @param current current position in the array
* @param end end position in the array
* @param cc the character array that has to be checked
* @param ck chunk array
* @return <CODE>true</CODE> if the character can be used to split a string, <CODE>false</CODE> otherwise
*/
public bool IsSplitCharacter(int start, int current, int end, char[] cc, PdfChunk[] ck)
{
char c = GetCurrentCharacter(current, cc, ck);
if (c <= ' ' || c == '-' || c == '\u2010') {
return true;
}
if (c < 0x2002)
return false;
return ((c >= 0x2002 && c <= 0x200b)
|| (c >= 0x2e80 && c < 0xd7a0)
|| (c >= 0xf900 && c < 0xfb00)
|| (c >= 0xfe30 && c < 0xfe50)
|| (c >= 0xff61 && c < 0xffa0));
}
public ArrayList CreateArrayOfPdfChunks(int startIdx, int endIdx, PdfChunk extraPdfChunk)
{
bool bidi = (runDirection == PdfWriter.RUN_DIRECTION_LTR || runDirection == PdfWriter.RUN_DIRECTION_RTL);
if (bidi)
Reorder(startIdx, endIdx);
ArrayList ar = new ArrayList();
PdfChunk refCk = detailChunks[startIdx];
PdfChunk ck = null;
StringBuilder buf = new StringBuilder();
char c;
int idx = 0;
for (; startIdx <= endIdx; ++startIdx) {
idx = bidi ? indexChars[startIdx] : startIdx;
c = text[idx];
ck = detailChunks[idx];
if (PdfChunk.NoPrint(ck.GetUnicodeEquivalent(c)))
continue;
if (ck.IsImage() || ck.IsSeparator() || ck.IsTab()) {
if (buf.Length > 0) {
ar.Add(new PdfChunk(buf.ToString(), refCk));
buf = new StringBuilder();
}
ar.Add(ck);
}
else if (ck == refCk) {
buf.Append(c);
}
else {
if (buf.Length > 0) {
ar.Add(new PdfChunk(buf.ToString(), refCk));
buf = new StringBuilder();
}
if (!ck.IsImage() && !ck.IsSeparator() && !ck.IsTab())
buf.Append(c);
refCk = ck;
}
}
if (buf.Length > 0) {
ar.Add(new PdfChunk(buf.ToString(), refCk));
}
if (extraPdfChunk != null)
ar.Add(extraPdfChunk);
return ar;
}
internal bool IsExtSplitCharacter(int start, int current, int end, char[] cc, PdfChunk[] ck)
{
return splitCharacter.IsSplitCharacter(start, current, end, cc, ck);
}
public PdfLine ProcessLine(float leftX, float width, int alignment, int runDirection, int arabicOptions)
{
this.arabicOptions = arabicOptions;
Save();
bool isRTL = (runDirection == PdfWriter.RUN_DIRECTION_RTL);
if (currentChar >= totalTextLength) {
bool hasText = GetParagraph(runDirection);
if (!hasText)
return null;
if (totalTextLength == 0) {
ArrayList ar = new ArrayList();
PdfChunk ckx = new PdfChunk("", detailChunks[0]);
ar.Add(ckx);
return new PdfLine(0, 0, 0, alignment, true, ar, isRTL);
}
}
float originalWidth = width;
int lastSplit = -1;
if (currentChar != 0)
currentChar = TrimLeftEx(currentChar, totalTextLength - 1);
int oldCurrentChar = currentChar;
int uniC = 0;
PdfChunk ck = null;
float charWidth = 0;
PdfChunk lastValidChunk = null;
bool splitChar = false;
bool surrogate = false;
for (; currentChar < totalTextLength; ++currentChar) {
ck = detailChunks[currentChar];
surrogate = Utilities.IsSurrogatePair(text, currentChar);
if (surrogate)
uniC = ck.GetUnicodeEquivalent(Utilities.ConvertToUtf32(text, currentChar));
else
uniC = ck.GetUnicodeEquivalent(text[currentChar]);
if (PdfChunk.NoPrint(uniC))
continue;
if (surrogate)
charWidth = ck.GetCharWidth(uniC);
else
charWidth = ck.GetCharWidth(text[currentChar]);
splitChar = ck.IsExtSplitCharacter(oldCurrentChar, currentChar, totalTextLength, text, detailChunks);
if (splitChar && Char.IsWhiteSpace((char)uniC))
lastSplit = currentChar;
if (width - charWidth < 0)
break;
if (splitChar)
lastSplit = currentChar;
width -= charWidth;
lastValidChunk = ck;
if (surrogate)
++currentChar;
if (ck.IsTab()) {
Object[] tab = (Object[])ck.GetAttribute(Chunk.TAB);
float tabPosition = (float)tab[1];
bool newLine = (bool)tab[2];
if (newLine && tabPosition < originalWidth - width) {
return new PdfLine(0, originalWidth, width, alignment, true, CreateArrayOfPdfChunks(oldCurrentChar, currentChar - 1), isRTL);
}
detailChunks[currentChar].AdjustLeft(leftX);
width = originalWidth - tabPosition;
}
}
if (lastValidChunk == null) {
// not even a single char fit; must output the first char
++currentChar;
if (surrogate)
++currentChar;
return new PdfLine(0, originalWidth, 0, alignment, false, CreateArrayOfPdfChunks(currentChar - 1, currentChar - 1), isRTL);
}
if (currentChar >= totalTextLength) {
// there was more line than text
return new PdfLine(0, originalWidth, width, alignment, true, CreateArrayOfPdfChunks(oldCurrentChar, totalTextLength - 1), isRTL);
}
int newCurrentChar = TrimRightEx(oldCurrentChar, currentChar - 1);
if (newCurrentChar < oldCurrentChar) {
// only WS
return new PdfLine(0, originalWidth, width, alignment, false, CreateArrayOfPdfChunks(oldCurrentChar, currentChar - 1), isRTL);
}
if (newCurrentChar == currentChar - 1) { // middle of word
IHyphenationEvent he = (IHyphenationEvent)lastValidChunk.GetAttribute(Chunk.HYPHENATION);
if (he != null) {
int[] word = GetWord(oldCurrentChar, newCurrentChar);
if (word != null) {
float testWidth = width + GetWidth(word[0], currentChar - 1);
String pre = he.GetHyphenatedWordPre(new String(text, word[0], word[1] - word[0]), lastValidChunk.Font.Font, lastValidChunk.Font.Size, testWidth);
String post = he.HyphenatedWordPost;
if (pre.Length > 0) {
PdfChunk extra = new PdfChunk(pre, lastValidChunk);
currentChar = word[1] - post.Length;
return new PdfLine(0, originalWidth, testWidth - lastValidChunk.Font.Width(pre), alignment, false, CreateArrayOfPdfChunks(oldCurrentChar, word[0] - 1, extra), isRTL);
}
}
}
}
if (lastSplit == -1 || lastSplit >= newCurrentChar) {
// no split point or split point ahead of end
return new PdfLine(0, originalWidth, width + GetWidth(newCurrentChar + 1, currentChar - 1), alignment, false, CreateArrayOfPdfChunks(oldCurrentChar, newCurrentChar), isRTL);
}
// standard split
currentChar = lastSplit + 1;
newCurrentChar = TrimRightEx(oldCurrentChar, lastSplit);
if (newCurrentChar < oldCurrentChar) {
// only WS again
newCurrentChar = currentChar - 1;
}
return new PdfLine(0, originalWidth, originalWidth - GetWidth(oldCurrentChar, newCurrentChar), alignment, false, CreateArrayOfPdfChunks(oldCurrentChar, newCurrentChar), isRTL);
}
/**
* Truncates this <CODE>PdfChunk</CODE> if it's too long for the given width.
* <P>
* Returns <VAR>null</VAR> if the <CODE>PdfChunk</CODE> wasn't truncated.
*
* @param width a given width
* @return the <CODE>PdfChunk</CODE> that doesn't fit into the width.
*/
internal PdfChunk Truncate(float width)
{
if (image != null) {
if (image.ScaledWidth > width) {
PdfChunk pc = new PdfChunk("", this);
value = "";
attributes.Remove(Chunk.IMAGE);
image = null;
font = PdfFont.DefaultFont;
return pc;
}
else
return null;
}
int currentPosition = 0;
float currentWidth = 0;
// it's no use trying to split if there isn't even enough place for a space
if (width < font.Width()) {
string returnValue = value.Substring(1);
value = value.Substring(0, 1);
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
// loop over all the characters of a string
// or until the totalWidth is reached
int length = value.Length;
bool surrogate = false;
while (currentPosition < length) {
// the width of every character is added to the currentWidth
surrogate = Utilities.IsSurrogatePair(value, currentPosition);
if (surrogate)
currentWidth += font.Width(Utilities.ConvertToUtf32(value, currentPosition));
else
currentWidth += font.Width(value[currentPosition]);
if (currentWidth > width)
break;
if (surrogate)
currentPosition++;
currentPosition++;
}
// if all the characters fit in the total width, null is returned (there is no overflow)
if (currentPosition == length) {
return null;
}
// otherwise, the string has to be truncated
//currentPosition -= 2;
// we have to chop off minimum 1 character from the chunk
if (currentPosition == 0) {
currentPosition = 1;
if (surrogate)
++currentPosition;
}
string retVal = value.Substring(currentPosition);
value = value.Substring(0, currentPosition);
PdfChunk tmp = new PdfChunk(retVal, this);
return tmp;
}
/**
* Splits this <CODE>PdfChunk</CODE> if it's too long for the given width.
* <P>
* Returns <VAR>null</VAR> if the <CODE>PdfChunk</CODE> wasn't truncated.
*
* @param width a given width
* @return the <CODE>PdfChunk</CODE> that doesn't fit into the width.
*/
internal PdfChunk Split(float width)
{
newlineSplit = false;
if (image != null)
{
if (image.ScaledWidth > width)
{
PdfChunk pc = new PdfChunk(Chunk.OBJECT_REPLACEMENT_CHARACTER, this);
value = "";
attributes = new Hashtable();
image = null;
font = PdfFont.DefaultFont;
return(pc);
}
else
{
return(null);
}
}
IHyphenationEvent hyphenationEvent = (IHyphenationEvent)noStroke[Chunk.HYPHENATION];
int currentPosition = 0;
int splitPosition = -1;
float currentWidth = 0;
// loop over all the characters of a string
// or until the totalWidth is reached
int lastSpace = -1;
float lastSpaceWidth = 0;
int length = value.Length;
char[] valueArray = value.ToCharArray();
char character = (char)0;
BaseFont ft = font.Font;
bool surrogate = false;
if (ft.FontType == BaseFont.FONT_TYPE_CJK && ft.GetUnicodeEquivalent(' ') != ' ')
{
while (currentPosition < length)
{
// the width of every character is added to the currentWidth
char cidChar = valueArray[currentPosition];
character = (char)ft.GetUnicodeEquivalent(cidChar);
// if a newLine or carriageReturn is encountered
if (character == '\n')
{
newlineSplit = true;
string returnValue = value.Substring(currentPosition + 1);
value = value.Substring(0, currentPosition);
if (value.Length < 1)
{
value = "\u0001";
}
PdfChunk pc = new PdfChunk(returnValue, this);
return(pc);
}
currentWidth += font.Width(cidChar);
if (character == ' ')
{
lastSpace = currentPosition + 1;
lastSpaceWidth = currentWidth;
}
if (currentWidth > width)
{
break;
}
// if a split-character is encountered, the splitPosition is altered
if (splitCharacter.IsSplitCharacter(0, currentPosition, length, valueArray, thisChunk))
{
splitPosition = currentPosition + 1;
}
currentPosition++;
}
}
else
{
while (currentPosition < length)
{
// the width of every character is added to the currentWidth
character = valueArray[currentPosition];
// if a newLine or carriageReturn is encountered
if (character == '\r' || character == '\n')
{
newlineSplit = true;
int inc = 1;
if (character == '\r' && currentPosition + 1 < length && valueArray[currentPosition + 1] == '\n')
{
inc = 2;
}
string returnValue = value.Substring(currentPosition + inc);
value = value.Substring(0, currentPosition);
if (value.Length < 1)
{
value = " ";
}
PdfChunk pc = new PdfChunk(returnValue, this);
return(pc);
}
surrogate = Utilities.IsSurrogatePair(valueArray, currentPosition);
if (surrogate)
{
currentWidth += font.Width(Utilities.ConvertToUtf32(valueArray[currentPosition], valueArray[currentPosition + 1]));
}
else
{
currentWidth += font.Width(character);
}
if (character == ' ')
{
lastSpace = currentPosition + 1;
lastSpaceWidth = currentWidth;
}
if (surrogate)
{
currentPosition++;
}
if (currentWidth > width)
{
break;
}
// if a split-character is encountered, the splitPosition is altered
if (splitCharacter.IsSplitCharacter(0, currentPosition, length, valueArray, null))
{
splitPosition = currentPosition + 1;
}
currentPosition++;
}
}
// if all the characters fit in the total width, null is returned (there is no overflow)
if (currentPosition == length)
{
return(null);
}
// otherwise, the string has to be truncated
if (splitPosition < 0)
{
string returnValue = value;
value = "";
PdfChunk pc = new PdfChunk(returnValue, this);
return(pc);
}
if (lastSpace > splitPosition && splitCharacter.IsSplitCharacter(0, 0, 1, singleSpace, null))
{
splitPosition = lastSpace;
}
if (hyphenationEvent != null && lastSpace >= 0 && lastSpace < currentPosition)
{
int wordIdx = GetWord(value, lastSpace);
if (wordIdx > lastSpace)
{
string pre = hyphenationEvent.GetHyphenatedWordPre(value.Substring(lastSpace, wordIdx - lastSpace), font.Font, font.Size, width - lastSpaceWidth);
string post = hyphenationEvent.HyphenatedWordPost;
if (pre.Length > 0)
{
string returnValue = post + value.Substring(wordIdx);
value = Trim(value.Substring(0, lastSpace) + pre);
PdfChunk pc = new PdfChunk(returnValue, this);
return(pc);
}
}
}
string retVal = value.Substring(splitPosition);
value = Trim(value.Substring(0, splitPosition));
PdfChunk tmp = new PdfChunk(retVal, this);
return(tmp);
}
private void AddToLine(PdfChunk chunk)
{
if (chunk.ChangeLeading && chunk.IsImage()) {
float f = chunk.Image.ScaledHeight + chunk.ImageOffsetY + chunk.Image.BorderWidthTop;
if (f > height) height = f;
}
line.Add(chunk);
}
/**
* Signals that an <CODE>Element</CODE> was added to the <CODE>Document</CODE>.
*
* @param element the element to add
* @return <CODE>true</CODE> if the element was added, <CODE>false</CODE> if not.
* @throws DocumentException when a document isn't open yet, or has been closed
*/
public override bool Add(IElement element)
{
if (writer != null && writer.IsPaused()) {
return false;
}
switch (element.Type) {
// Information (headers)
case Element.HEADER:
info.Addkey(((Meta)element).Name, ((Meta)element).Content);
break;
case Element.TITLE:
info.AddTitle(((Meta)element).Content);
break;
case Element.SUBJECT:
info.AddSubject(((Meta)element).Content);
break;
case Element.KEYWORDS:
info.AddKeywords(((Meta)element).Content);
break;
case Element.AUTHOR:
info.AddAuthor(((Meta)element).Content);
break;
case Element.CREATOR:
info.AddCreator(((Meta)element).Content);
break;
case Element.PRODUCER:
// you can not change the name of the producer
info.AddProducer();
break;
case Element.CREATIONDATE:
// you can not set the creation date, only reset it
info.AddCreationDate();
break;
// content (text)
case Element.CHUNK: {
// if there isn't a current line available, we make one
if (line == null) {
CarriageReturn();
}
// we cast the element to a chunk
PdfChunk chunk = new PdfChunk((Chunk) element, anchorAction);
// we try to add the chunk to the line, until we succeed
{
PdfChunk overflow;
while ((overflow = line.Add(chunk)) != null) {
CarriageReturn();
chunk = overflow;
chunk.TrimFirstSpace();
}
}
pageEmpty = false;
if (chunk.IsAttribute(Chunk.NEWPAGE)) {
NewPage();
}
break;
}
case Element.ANCHOR: {
leadingCount++;
Anchor anchor = (Anchor) element;
String url = anchor.Reference;
leading = anchor.Leading;
if (url != null) {
anchorAction = new PdfAction(url);
}
// we process the element
element.Process(this);
anchorAction = null;
leadingCount--;
break;
}
case Element.ANNOTATION: {
if (line == null) {
CarriageReturn();
}
Annotation annot = (Annotation) element;
Rectangle rect = new Rectangle(0, 0);
if (line != null)
rect = new Rectangle(annot.GetLlx(IndentRight - line.WidthLeft), annot.GetLly(IndentTop - currentHeight), annot.GetUrx(IndentRight - line.WidthLeft + 20), annot.GetUry(IndentTop - currentHeight - 20));
PdfAnnotation an = PdfAnnotationsImp.ConvertAnnotation(writer, annot, rect);
annotationsImp.AddPlainAnnotation(an);
pageEmpty = false;
break;
}
case Element.PHRASE: {
leadingCount++;
// we cast the element to a phrase and set the leading of the document
leading = ((Phrase) element).Leading;
// we process the element
element.Process(this);
leadingCount--;
break;
}
case Element.PARAGRAPH: {
leadingCount++;
// we cast the element to a paragraph
Paragraph paragraph = (Paragraph) element;
AddSpacing(paragraph.SpacingBefore, leading, paragraph.Font);
// we adjust the parameters of the document
alignment = paragraph.Alignment;
leading = paragraph.TotalLeading;
CarriageReturn();
// we don't want to make orphans/widows
if (currentHeight + line.Height + leading > IndentTop - IndentBottom) {
NewPage();
}
indentation.indentLeft += paragraph.IndentationLeft;
indentation.indentRight += paragraph.IndentationRight;
CarriageReturn();
IPdfPageEvent pageEvent = writer.PageEvent;
if (pageEvent != null && !isSectionTitle)
pageEvent.OnParagraph(writer, this, IndentTop - currentHeight);
// if a paragraph has to be kept together, we wrap it in a table object
if (paragraph.KeepTogether) {
CarriageReturn();
PdfPTable table = new PdfPTable(1);
table.WidthPercentage = 100f;
PdfPCell cell = new PdfPCell();
cell.AddElement(paragraph);
cell.Border = Rectangle.NO_BORDER;
cell.Padding = 0;
table.AddCell(cell);
indentation.indentLeft -= paragraph.IndentationLeft;
indentation.indentRight -= paragraph.IndentationRight;
this.Add(table);
indentation.indentLeft += paragraph.IndentationLeft;
indentation.indentRight += paragraph.IndentationRight;
}
else {
line.SetExtraIndent(paragraph.FirstLineIndent);
element.Process(this);
CarriageReturn();
AddSpacing(paragraph.SpacingAfter, paragraph.TotalLeading, paragraph.Font);
}
if (pageEvent != null && !isSectionTitle)
pageEvent.OnParagraphEnd(writer, this, IndentTop - currentHeight);
alignment = Element.ALIGN_LEFT;
indentation.indentLeft -= paragraph.IndentationLeft;
indentation.indentRight -= paragraph.IndentationRight;
CarriageReturn();
leadingCount--;
break;
}
case Element.SECTION:
case Element.CHAPTER: {
// Chapters and Sections only differ in their constructor
// so we cast both to a Section
Section section = (Section) element;
IPdfPageEvent pageEvent = writer.PageEvent;
bool hasTitle = section.NotAddedYet && section.Title != null;
// if the section is a chapter, we begin a new page
if (section.TriggerNewPage) {
NewPage();
}
if (hasTitle) {
float fith = IndentTop - currentHeight;
int rotation = pageSize.Rotation;
if (rotation == 90 || rotation == 180)
fith = pageSize.Height - fith;
PdfDestination destination = new PdfDestination(PdfDestination.FITH, fith);
while (currentOutline.Level >= section.Depth) {
currentOutline = currentOutline.Parent;
}
PdfOutline outline = new PdfOutline(currentOutline, destination, section.GetBookmarkTitle(), section.BookmarkOpen);
currentOutline = outline;
}
// some values are set
CarriageReturn();
indentation.sectionIndentLeft += section.IndentationLeft;
indentation.sectionIndentRight += section.IndentationRight;
if (section.NotAddedYet && pageEvent != null)
if (element.Type == Element.CHAPTER)
pageEvent.OnChapter(writer, this, IndentTop - currentHeight, section.Title);
else
pageEvent.OnSection(writer, this, IndentTop - currentHeight, section.Depth, section.Title);
// the title of the section (if any has to be printed)
if (hasTitle) {
isSectionTitle = true;
Add(section.Title);
isSectionTitle = false;
}
indentation.sectionIndentLeft += section.Indentation;
// we process the section
element.Process(this);
// some parameters are set back to normal again
indentation.sectionIndentLeft -= (section.IndentationLeft + section.Indentation);
indentation.sectionIndentRight -= section.IndentationRight;
if (section.ElementComplete && pageEvent != null)
if (element.Type == Element.CHAPTER)
pageEvent.OnChapterEnd(writer, this, IndentTop - currentHeight);
else
pageEvent.OnSectionEnd(writer, this, IndentTop - currentHeight);
break;
}
case Element.LIST: {
// we cast the element to a List
List list = (List) element;
if (list.Alignindent) {
list.NormalizeIndentation();
}
// we adjust the document
indentation.listIndentLeft += list.IndentationLeft;
indentation.indentRight += list.IndentationRight;
// we process the items in the list
element.Process(this);
// some parameters are set back to normal again
indentation.listIndentLeft -= list.IndentationLeft;
indentation.indentRight -= list.IndentationRight;
CarriageReturn();
break;
}
case Element.LISTITEM: {
leadingCount++;
// we cast the element to a ListItem
ListItem listItem = (ListItem) element;
AddSpacing(listItem.SpacingBefore, leading, listItem.Font);
// we adjust the document
alignment = listItem.Alignment;
indentation.listIndentLeft += listItem.IndentationLeft;
indentation.indentRight += listItem.IndentationRight;
leading = listItem.TotalLeading;
CarriageReturn();
// we prepare the current line to be able to show us the listsymbol
line.ListItem = listItem;
// we process the item
element.Process(this);
AddSpacing(listItem.SpacingAfter, listItem.TotalLeading, listItem.Font);
// if the last line is justified, it should be aligned to the left
if (line.HasToBeJustified()) {
line.ResetAlignment();
}
// some parameters are set back to normal again
CarriageReturn();
indentation.listIndentLeft -= listItem.IndentationLeft;
indentation.indentRight -= listItem.IndentationRight;
leadingCount--;
break;
}
case Element.RECTANGLE: {
Rectangle rectangle = (Rectangle) element;
graphics.Rectangle(rectangle);
pageEmpty = false;
break;
}
case Element.PTABLE: {
PdfPTable ptable = (PdfPTable)element;
if (ptable.Size <= ptable.HeaderRows)
break; //nothing to do
// before every table, we add a new line and flush all lines
EnsureNewLine();
FlushLines();
AddPTable(ptable);
pageEmpty = false;
NewLine();
break;
}
case Element.MULTI_COLUMN_TEXT: {
EnsureNewLine();
FlushLines();
MultiColumnText multiText = (MultiColumnText) element;
float height = multiText.Write(writer.DirectContent, this, IndentTop - currentHeight);
currentHeight += height;
text.MoveText(0, -1f* height);
pageEmpty = false;
break;
}
case Element.TABLE : {
if (element is SimpleTable) {
PdfPTable ptable = ((SimpleTable)element).CreatePdfPTable();
if (ptable.Size <= ptable.HeaderRows)
break; //nothing to do
// before every table, we add a new line and flush all lines
EnsureNewLine();
FlushLines();
AddPTable(ptable);
pageEmpty = false;
break;
} else if (element is Table) {
try {
PdfPTable ptable = ((Table)element).CreatePdfPTable();
if (ptable.Size <= ptable.HeaderRows)
break; //nothing to do
// before every table, we add a new line and flush all lines
EnsureNewLine();
FlushLines();
AddPTable(ptable);
pageEmpty = false;
break;
}
catch (BadElementException) {
// constructing the PdfTable
// Before the table, add a blank line using offset or default leading
float offset = ((Table)element).Offset;
if (float.IsNaN(offset))
offset = leading;
CarriageReturn();
lines.Add(new PdfLine(IndentLeft, IndentRight, alignment, offset));
currentHeight += offset;
AddPdfTable((Table)element);
}
} else {
return false;
}
break;
}
case Element.JPEG:
case Element.JPEG2000:
case Element.JBIG2:
case Element.IMGRAW:
case Element.IMGTEMPLATE: {
//carriageReturn(); suggestion by Marc Campforts
Add((Image) element);
break;
}
case Element.YMARK: {
IDrawInterface zh = (IDrawInterface)element;
zh.Draw(graphics, IndentLeft, IndentBottom, IndentRight, IndentTop, IndentTop - currentHeight - (leadingCount > 0 ? leading : 0));
pageEmpty = false;
break;
}
case Element.MARKED: {
MarkedObject mo;
if (element is MarkedSection) {
mo = ((MarkedSection)element).Title;
if (mo != null) {
mo.Process(this);
}
}
mo = (MarkedObject)element;
mo.Process(this);
break;
}
default:
return false;
}
lastElementType = element.Type;
return true;
}
