/**
* If the current line is not empty or null, it is added to the arraylist
* of lines and a new empty line is added.
* @throws DocumentException on error
*/
protected internal void CarriageReturn() {
// the arraylist with lines may not be null
if (lines == null) {
lines = new ArrayList();
}
// If the current line is not null
if (line != null) {
// we check if the end of the page is reached (bugfix by Francois Gravel)
if (currentHeight + line.Height + leading < IndentTop - IndentBottom) {
// if so nonempty lines are added and the heigt is augmented
if (line.Size > 0) {
currentHeight += line.Height;
lines.Add(line);
pageEmpty = false;
}
}
// if the end of the line is reached, we start a new page
else {
NewPage();
}
}
if (imageEnd > -1 && currentHeight > imageEnd) {
imageEnd = -1;
indentation.imageIndentRight = 0;
indentation.imageIndentLeft = 0;
}
// a new current line is constructed
line = new PdfLine(IndentLeft, IndentRight, alignment, leading);
}
internal void WriteLine(PdfLine line, PdfContentByte text, PdfContentByte graphics)
{
PdfFont currentFont = null;
foreach(PdfChunk chunk in line) {
if (chunk.Font.CompareTo(currentFont) != 0) {
currentFont = chunk.Font;
text.SetFontAndSize(currentFont.Font, currentFont.Size);
}
Object[] textRender = (Object[])chunk.GetAttribute(Chunk.TEXTRENDERMODE);
int tr = 0;
float strokeWidth = 1;
BaseColor color = chunk.Color;
BaseColor strokeColor = null;
if (textRender != null) {
tr = (int)textRender[0] & 3;
if (tr != PdfContentByte.TEXT_RENDER_MODE_FILL)
text.SetTextRenderingMode(tr);
if (tr == PdfContentByte.TEXT_RENDER_MODE_STROKE || tr == PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE) {
strokeWidth = (float)textRender[1];
if (strokeWidth != 1)
text.SetLineWidth(strokeWidth);
strokeColor = (BaseColor)textRender[2];
if (strokeColor == null)
strokeColor = color;
if (strokeColor != null)
text.SetColorStroke(strokeColor);
}
}
object charSpace = chunk.GetAttribute(Chunk.CHAR_SPACING);
// no char space setting means "leave it as is".
if (charSpace != null && !curCharSpace.Equals(charSpace)) {
curCharSpace = (float)charSpace;
text.SetCharacterSpacing(curCharSpace);
}
if (color != null)
text.SetColorFill(color);
text.ShowText(chunk.ToString());
if (color != null)
text.ResetRGBColorFill();
if (tr != PdfContentByte.TEXT_RENDER_MODE_FILL)
text.SetTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
if (strokeColor != null)
text.ResetRGBColorStroke();
if (strokeWidth != 1)
text.SetLineWidth(1);
}
}
internal void WriteLine(PdfLine line, PdfContentByte text, PdfContentByte graphics)
{
PdfFont currentFont = null;
foreach(PdfChunk chunk in line) {
if (chunk.Font.CompareTo(currentFont) != 0) {
currentFont = chunk.Font;
text.SetFontAndSize(currentFont.Font, currentFont.Size);
}
BaseColor color = chunk.Color;
object charSpace = chunk.GetAttribute(Chunk.CHAR_SPACING);
// no char space setting means "leave it as is".
if (charSpace != null && !curCharSpace.Equals(charSpace)) {
curCharSpace = (float)charSpace;
text.SetCharacterSpacing(curCharSpace);
}
if (color != null)
text.SetColorFill(color);
text.ShowText(chunk.ToString());
if (color != null)
text.ResetRGBColorFill();
}
}
private PdfLine RemoveLine(int index)
{
PdfLine oldLine = (PdfLine)lines[index];
lines.RemoveAt(index);
contentHeight -= oldLine.Height;
if (index == 0) {
if (lines.Count > 0) {
firstLine = (PdfLine) lines[0];
float firstLineRealHeight = FirstLineRealHeight;
contentHeight -= firstLine.Height;
firstLine.height = firstLineRealHeight;
contentHeight += firstLineRealHeight;
}
}
return oldLine;
}
internal void WriteLine(PdfLine line, PdfContentByte text, PdfContentByte graphics)
{
PdfFont currentFont = null;
foreach (PdfChunk chunk in line)
{
if (!chunk.IsImage() && chunk.Font.CompareTo(currentFont) != 0)
{
currentFont = chunk.Font;
text.SetFontAndSize(currentFont.Font, currentFont.Size);
}
Object[] textRender = (Object[])chunk.GetAttribute(Chunk.TEXTRENDERMODE);
int tr = 0;
float strokeWidth = 1;
BaseColor color = chunk.Color;
BaseColor strokeColor = null;
if (textRender != null)
{
tr = (int)textRender[0] & 3;
if (tr != PdfContentByte.TEXT_RENDER_MODE_FILL)
{
text.SetTextRenderingMode(tr);
}
if (tr == PdfContentByte.TEXT_RENDER_MODE_STROKE || tr == PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE)
{
strokeWidth = (float)textRender[1];
if (strokeWidth != 1)
{
text.SetLineWidth(strokeWidth);
}
strokeColor = (BaseColor)textRender[2];
if (strokeColor == null)
{
strokeColor = color;
}
if (strokeColor != null)
{
text.SetColorStroke(strokeColor);
}
}
}
object charSpace = chunk.GetAttribute(Chunk.CHAR_SPACING);
// no char space setting means "leave it as is".
if (charSpace != null && !curCharSpace.Equals(charSpace))
{
curCharSpace = (float)charSpace;
text.SetCharacterSpacing(curCharSpace);
}
if (color != null)
{
text.SetColorFill(color);
}
text.ShowText(chunk.ToString());
if (color != null)
{
text.ResetRGBColorFill();
}
if (tr != PdfContentByte.TEXT_RENDER_MODE_FILL)
{
text.SetTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
}
if (strokeColor != null)
{
text.ResetRGBColorStroke();
}
if (strokeWidth != 1)
{
text.SetLineWidth(1);
}
}
}
/**
* Writes all the lines to the text-object.
*
* @return the displacement that was caused
* @throws DocumentException on error
*/
protected internal float FlushLines() {
// checks if the ArrayList with the lines is not null
if (lines == null) {
return 0;
}
// checks if a new Line has to be made.
if (line != null && line.Size > 0) {
lines.Add(line);
line = new PdfLine(IndentLeft, IndentRight, alignment, leading);
}
// checks if the ArrayList with the lines is empty
if (lines.Count == 0) {
return 0;
}
// initialisation of some parameters
Object[] currentValues = new Object[2];
PdfFont currentFont = null;
float displacement = 0;
currentValues[1] = (float)0;
// looping over all the lines
foreach (PdfLine l in lines) {
// this is a line in the loop
float moveTextX = l.IndentLeft - IndentLeft + indentation.indentLeft + indentation.listIndentLeft + indentation.sectionIndentLeft;
text.MoveText(moveTextX, -l.Height);
// is the line preceeded by a symbol?
l.Flush();
if (l.ListSymbol != null) {
ListLabel lbl = null;
Chunk symbol = l.ListSymbol;
if (IsTagged(writer))
{
lbl = l.listItem.ListLabel;
graphics.OpenMCBlock(lbl);
symbol = new Chunk(symbol);
if (!lbl.TagLabelContent)
symbol.Role = null;
}
ColumnText.ShowTextAligned(graphics, Element.ALIGN_LEFT, new Phrase(symbol), text.XTLM - l.ListIndent, text.YTLM, 0);
if (lbl != null)
{
graphics.CloseMCBlock(lbl);
}
}
currentValues[0] = currentFont;
if (IsTagged(writer) && l.ListItem != null)
text.OpenMCBlock(l.listItem.ListBody);
WriteLineToContent(l, text, graphics, currentValues, writer.SpaceCharRatio);
currentFont = (PdfFont)currentValues[0];
displacement += l.Height;
text.MoveText(-moveTextX, 0);
}
lines = new List<PdfLine>();
return displacement;
}
/**
* Adds the current line to the list of lines and also adds an empty line.
* @throws DocumentException on error
*/
protected internal void NewLine() {
lastElementType = -1;
CarriageReturn();
if (lines != null && lines.Count > 0) {
lines.Add(line);
currentHeight += line.Height;
}
line = new PdfLine(IndentLeft, IndentRight, alignment, leading);
}
/**
* 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 = chunks[currentChunkMarker];
total = original.ToString();
currentStandbyChunk = line.Add(original);
if (currentStandbyChunk != null) {
splittedChunkText = original.ToString();
original.Value = total;
return line;
}
}
return line;
}
/**
* Returns the total height of all the lines in the cell.
*
* @return a value
*/
private float RemainingLinesHeight() {
if (lines.Count == 0) return 0;
float result = 0;
int size = lines.Count;
PdfLine line;
for (int i = 0; i < size; i++) {
line = (PdfLine) lines[i];
result += line.Height;
}
return result;
}
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;
}
}
}
/**
* Writes all the lines to the text-object.
*
* @return the displacement that was caused
* @throws DocumentException on error
*/
private float FlushLines()
{
// checks if the ArrayList with the lines is not null
if (lines == null) {
return 0;
}
bool newline=false;
// checks if a new Line has to be made.
if (line != null && line.Size > 0) {
lines.Add(line);
line = new PdfLine(IndentLeft, IndentRight, alignment, leading);
newline=true;
}
// checks if the ArrayList with the lines is empty
if (lines.Count == 0) {
return 0;
}
// initialisation of some parameters
Object[] currentValues = new Object[2];
PdfFont currentFont = null;
float displacement = 0;
currentValues[1] = (float)0;
// looping over all the lines
foreach (PdfLine l in lines) {
// this is a line in the loop
if (isNewpage && newline) { // fix Ken@PDI
newline=false;
text.MoveText(l.IndentLeft - IndentLeft + listIndentLeft + paraIndent,-l.Height);
}
else {
text.MoveText(l.IndentLeft - IndentLeft + listIndentLeft, -l.Height);
}
// is the line preceeded by a symbol?
if (l.ListSymbol != null) {
ColumnText.ShowTextAligned(graphics, Element.ALIGN_LEFT, new Phrase(l.ListSymbol), text.XTLM - l.ListIndent, text.YTLM, 0);
}
currentValues[0] = currentFont;
WriteLineToContent(l, text, graphics, currentValues, writer.SpaceCharRatio);
currentFont = (PdfFont)currentValues[0];
displacement += l.Height;
if (IndentLeft - listIndentLeft != l.IndentLeft) {
text.MoveText(IndentLeft - l.IndentLeft - listIndentLeft, 0);
}
}
lines = new ArrayList();
return displacement;
}
/**
* Writes a text line to the document. It takes care of all the attributes.
* <P>
* Before entering the line position must have been established and the
* <CODE>text</CODE> argument must be in text object scope (<CODE>beginText()</CODE>).
* @param line the line to be written
* @param text the <CODE>PdfContentByte</CODE> where the text will be written to
* @param graphics the <CODE>PdfContentByte</CODE> where the graphics will be written to
* @param currentValues the current font and extra spacing values
* @param ratio
* @throws DocumentException on error
*/
internal void WriteLineToContent(PdfLine line, PdfContentByte text, PdfContentByte graphics, Object[] currentValues, float ratio)
{
PdfFont currentFont = (PdfFont)(currentValues[0]);
float lastBaseFactor = (float)currentValues[1];
//PdfChunk chunkz;
int numberOfSpaces;
int lineLen;
bool isJustified;
float hangingCorrection = 0;
float hScale = 1;
float lastHScale = float.NaN;
float baseWordSpacing = 0;
float baseCharacterSpacing = 0;
numberOfSpaces = line.NumberOfSpaces;
lineLen = line.ToString().Length;
// does the line need to be justified?
isJustified = line.HasToBeJustified() && (numberOfSpaces != 0 || lineLen > 1);
if (isJustified) {
if (line.NewlineSplit && line.WidthLeft >= (lastBaseFactor * (ratio * numberOfSpaces + lineLen - 1))) {
if (line.RTL) {
text.MoveText(line.WidthLeft - lastBaseFactor * (ratio * numberOfSpaces + lineLen - 1), 0);
}
baseWordSpacing = ratio * lastBaseFactor;
baseCharacterSpacing = lastBaseFactor;
}
else {
float width = line.WidthLeft;
PdfChunk last = line.GetChunk(line.Size - 1);
if (last != null) {
String s = last.ToString();
char c;
if (s.Length > 0 && hangingPunctuation.IndexOf((c = s[s.Length - 1])) >= 0) {
float oldWidth = width;
width += last.Font.Width(c) * 0.4f;
hangingCorrection = width - oldWidth;
}
}
float baseFactor = width / (ratio * numberOfSpaces + lineLen - 1);
baseWordSpacing = ratio * baseFactor;
baseCharacterSpacing = baseFactor;
lastBaseFactor = baseFactor;
}
}
int lastChunkStroke = line.LastStrokeChunk;
int chunkStrokeIdx = 0;
float xMarker = text.XTLM;
float baseXMarker = xMarker;
float yMarker = text.YTLM;
bool adjustMatrix = false;
// looping over all the chunks in 1 line
foreach (PdfChunk chunk in line) {
Color color = chunk.Color;
hScale = 1;
if (chunkStrokeIdx <= lastChunkStroke) {
float width;
if (isJustified) {
width = chunk.GetWidthCorrected(baseCharacterSpacing, baseWordSpacing);
}
else
width = chunk.Width;
if (chunk.IsStroked()) {
PdfChunk nextChunk = line.GetChunk(chunkStrokeIdx + 1);
if (chunk.IsAttribute(Chunk.BACKGROUND)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.BACKGROUND))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
float fontSize = chunk.Font.Size;
float ascender = chunk.Font.Font.GetFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.Font.Font.GetFontDescriptor(BaseFont.DESCENT, fontSize);
Object[] bgr = (Object[])chunk.GetAttribute(Chunk.BACKGROUND);
graphics.SetColorFill((Color)bgr[0]);
float[] extra = (float[])bgr[1];
graphics.Rectangle(xMarker - extra[0],
yMarker + descender - extra[1] + chunk.TextRise,
width - subtract + extra[0] + extra[2],
ascender - descender + extra[1] + extra[3]);
graphics.Fill();
graphics.SetGrayFill(0);
}
if (chunk.IsAttribute(Chunk.UNDERLINE)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.UNDERLINE))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
Object[][] unders = (Object[][])chunk.GetAttribute(Chunk.UNDERLINE);
Color scolor = null;
for (int k = 0; k < unders.Length; ++k) {
Object[] obj = unders[k];
scolor = (Color)obj[0];
float[] ps = (float[])obj[1];
if (scolor == null)
scolor = color;
if (scolor != null)
graphics.SetColorStroke(scolor);
float fsize = chunk.Font.Size;
graphics.SetLineWidth(ps[0] + fsize * ps[1]);
float shift = ps[2] + fsize * ps[3];
int cap2 = (int)ps[4];
if (cap2 != 0)
graphics.SetLineCap(cap2);
graphics.MoveTo(xMarker, yMarker + shift);
graphics.LineTo(xMarker + width - subtract, yMarker + shift);
graphics.Stroke();
if (scolor != null)
graphics.ResetGrayStroke();
if (cap2 != 0)
graphics.SetLineCap(0);
}
graphics.SetLineWidth(1);
}
if (chunk.IsAttribute(Chunk.ACTION)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.ACTION))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
text.AddAnnotation(new PdfAnnotation(writer, xMarker, yMarker, xMarker + width - subtract, yMarker + chunk.Font.Size, (PdfAction)chunk.GetAttribute(Chunk.ACTION)));
}
if (chunk.IsAttribute(Chunk.REMOTEGOTO)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.REMOTEGOTO))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
Object[] obj = (Object[])chunk.GetAttribute(Chunk.REMOTEGOTO);
String filename = (String)obj[0];
if (obj[1] is String)
RemoteGoto(filename, (String)obj[1], xMarker, yMarker, xMarker + width - subtract, yMarker + chunk.Font.Size);
else
RemoteGoto(filename, (int)obj[1], xMarker, yMarker, xMarker + width - subtract, yMarker + chunk.Font.Size);
}
if (chunk.IsAttribute(Chunk.LOCALGOTO)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.LOCALGOTO))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
LocalGoto((String)chunk.GetAttribute(Chunk.LOCALGOTO), xMarker, yMarker, xMarker + width - subtract, yMarker + chunk.Font.Size);
}
if (chunk.IsAttribute(Chunk.LOCALDESTINATION)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.LOCALDESTINATION))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
LocalDestination((String)chunk.GetAttribute(Chunk.LOCALDESTINATION), new PdfDestination(PdfDestination.XYZ, xMarker, yMarker + chunk.Font.Size, 0));
}
if (chunk.IsAttribute(Chunk.GENERICTAG)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.GENERICTAG))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
Rectangle rect = new Rectangle(xMarker, yMarker, xMarker + width - subtract, yMarker + chunk.Font.Size);
IPdfPageEvent pev = writer.PageEvent;
if (pev != null)
pev.OnGenericTag(writer, this, rect, (String)chunk.GetAttribute(Chunk.GENERICTAG));
}
if (chunk.IsAttribute(Chunk.PDFANNOTATION)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.PDFANNOTATION))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
float fontSize = chunk.Font.Size;
float ascender = chunk.Font.Font.GetFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.Font.Font.GetFontDescriptor(BaseFont.DESCENT, fontSize);
PdfAnnotation annot = PdfFormField.ShallowDuplicate((PdfAnnotation)chunk.GetAttribute(Chunk.PDFANNOTATION));
annot.Put(PdfName.RECT, new PdfRectangle(xMarker, yMarker + descender, xMarker + width - subtract, yMarker + ascender));
text.AddAnnotation(annot);
}
float[] paramsx = (float[])chunk.GetAttribute(Chunk.SKEW);
object hs = chunk.GetAttribute(Chunk.HSCALE);
if (paramsx != null || hs != null) {
float b = 0, c = 0;
if (paramsx != null) {
b = paramsx[0];
c = paramsx[1];
}
if (hs != null)
hScale = (float)hs;
text.SetTextMatrix(hScale, b, c, 1, xMarker, yMarker);
}
if (chunk.IsImage()) {
Image image = chunk.Image;
float[] matrix = image.Matrix;
matrix[Image.CX] = xMarker + chunk.ImageOffsetX - matrix[Image.CX];
matrix[Image.CY] = yMarker + chunk.ImageOffsetY - matrix[Image.CY];
graphics.AddImage(image, matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
text.MoveText(xMarker + lastBaseFactor + image.ScaledWidth - text.XTLM, 0);
}
}
xMarker += width;
++chunkStrokeIdx;
}
if (chunk.Font.CompareTo(currentFont) != 0) {
currentFont = chunk.Font;
text.SetFontAndSize(currentFont.Font, currentFont.Size);
}
float rise = 0;
Object[] textRender = (Object[])chunk.GetAttribute(Chunk.TEXTRENDERMODE);
int tr = 0;
float strokeWidth = 1;
Color strokeColor = null;
object fr = chunk.GetAttribute(Chunk.SUBSUPSCRIPT);
if (textRender != null) {
tr = (int)textRender[0] & 3;
if (tr != PdfContentByte.TEXT_RENDER_MODE_FILL)
text.SetTextRenderingMode(tr);
if (tr == PdfContentByte.TEXT_RENDER_MODE_STROKE || tr == PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE) {
strokeWidth = (float)textRender[1];
if (strokeWidth != 1)
text.SetLineWidth(strokeWidth);
strokeColor = (Color)textRender[2];
if (strokeColor == null)
strokeColor = color;
if (strokeColor != null)
text.SetColorStroke(strokeColor);
}
}
if (fr != null)
rise = (float)fr;
if (color != null)
text.SetColorFill(color);
if (rise != 0)
text.SetTextRise(rise);
if (chunk.IsImage()) {
adjustMatrix = true;
}
// If it is a CJK chunk or Unicode TTF we will have to simulate the
// space adjustment.
else if (isJustified && numberOfSpaces > 0 && chunk.IsSpecialEncoding()) {
if (hScale != lastHScale) {
lastHScale = hScale;
text.SetWordSpacing(baseWordSpacing / hScale);
text.SetCharacterSpacing(baseCharacterSpacing / hScale);
}
String s = chunk.ToString();
int idx = s.IndexOf(' ');
if (idx < 0)
text.ShowText(chunk.ToString());
else {
float spaceCorrection = - baseWordSpacing * 1000f / chunk.Font.Size / hScale;
PdfTextArray textArray = new PdfTextArray(s.Substring(0, idx));
int lastIdx = idx;
while ((idx = s.IndexOf(' ', lastIdx + 1)) >= 0) {
textArray.Add(spaceCorrection);
textArray.Add(s.Substring(lastIdx, idx - lastIdx));
lastIdx = idx;
}
textArray.Add(spaceCorrection);
textArray.Add(s.Substring(lastIdx));
text.ShowText(textArray);
}
}
else {
if (isJustified && hScale != lastHScale) {
lastHScale = hScale;
text.SetWordSpacing(baseWordSpacing / hScale);
text.SetCharacterSpacing(baseCharacterSpacing / hScale);
}
text.ShowText(chunk.ToString());
}
if (rise != 0)
text.SetTextRise(0);
if (color != null)
text.ResetRGBColorFill();
if (tr != PdfContentByte.TEXT_RENDER_MODE_FILL)
text.SetTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
if (strokeColor != null)
text.ResetRGBColorStroke();
if (strokeWidth != 1)
text.SetLineWidth(1);
if (chunk.IsAttribute(Chunk.SKEW) || chunk.IsAttribute(Chunk.HSCALE)) {
adjustMatrix = true;
text.SetTextMatrix(xMarker, yMarker);
}
}
if (isJustified) {
text.SetWordSpacing(0);
text.SetCharacterSpacing(0);
if (line.NewlineSplit)
lastBaseFactor = 0;
}
if (adjustMatrix)
text.MoveText(baseXMarker - text.XTLM, 0);
currentValues[0] = currentFont;
currentValues[1] = lastBaseFactor;
}
/**
* Gets the lines of a cell that can be drawn between certain limits.
* <P>
* Remark: all the lines that can be drawn are removed from the object!
*
* @param top the top of the part of the table that can be drawn
* @param bottom the bottom of the part of the table that can be drawn
* @return an <CODE>ArrayList</CODE> of <CODE>PdfLine</CODE>s
*/
public ArrayList GetLines(float top, float bottom)
{
float lineHeight;
float currentPosition = Math.Min(this.Top, top);
this.Top = currentPosition + cellspacing;
ArrayList result = new ArrayList();
// if the bottom of the page is higher than the top of the cell: do nothing
if (Top < bottom)
{
return(result);
}
// we loop over the lines
int size = lines.Count;
bool aboveBottom = true;
for (int i = 0; i < size && aboveBottom; i++)
{
line = (PdfLine)lines[i];
lineHeight = line.Height;
currentPosition -= lineHeight;
// if the currentPosition is higher than the bottom, we add the line to the result
if (currentPosition > (bottom + cellpadding + GetBorderWidthInside(BOTTOM_BORDER))) // bugfix by Tom Ring and Veerendra Namineni
{
result.Add(line);
}
else
{
aboveBottom = false;
}
}
// if the bottom of the cell is higher than the bottom of the page, the cell is written, so we can remove all lines
float difference = 0f;
if (!header)
{
if (aboveBottom)
{
lines = new ArrayList();
contentHeight = 0f;
}
else
{
size = result.Count;
for (int i = 0; i < size; i++)
{
line = RemoveLine(0);
difference += line.Height;
}
}
}
if (difference > 0)
{
foreach (Image image in images)
{
image.SetAbsolutePosition(image.AbsoluteX, image.AbsoluteY - difference - leading);
}
}
return(result);
}
// 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;
}
/**
* Outputs the lines to the document. The output can be simulated.
* @param simulate <CODE>true</CODE> to simulate the writting to the document
* @return returns the result of the operation. It can be <CODE>NO_MORE_TEXT</CODE>
* and/or <CODE>NO_MORE_COLUMN</CODE>
* @throws DocumentException on error
*/
public int go(bool simulate)
{
bool dirty = false;
float ratio = spaceCharRatio;
Object[] currentValues = new Object[2];
PdfFont currentFont = null;
float lastBaseFactor = 0F;
currentValues[1] = lastBaseFactor;
PdfDocument pdf = null;
PdfContentByte graphics = null;
int localRunDirection = PdfWriter.RUN_DIRECTION_NO_BIDI;
if (runDirection != PdfWriter.RUN_DIRECTION_DEFAULT)
{
localRunDirection = runDirection;
}
if (text != null)
{
pdf = text.PdfDocument;
graphics = text.Duplicate;
}
else if (!simulate)
{
throw new Exception("ColumnText.go with simulate==false and text==null.");
}
if (!simulate)
{
if (ratio == GLOBAL_SPACE_CHAR_RATIO)
{
ratio = text.PdfWriter.SpaceCharRatio;
}
else if (ratio < 0.001f)
{
ratio = 0.001f;
}
}
float firstIndent = 0;
int status = 0;
if (rectangularWidth > 0)
{
for (;;)
{
firstIndent = (lastWasNewline ? indent : followingIndent);
if (rectangularWidth <= firstIndent + rightIndent)
{
status = NO_MORE_COLUMN;
if (bidiLine.isEmpty())
{
status |= NO_MORE_TEXT;
}
break;
}
if (bidiLine.isEmpty())
{
status = NO_MORE_TEXT;
break;
}
float yTemp = yLine;
PdfLine line = bidiLine.processLine(rectangularWidth - firstIndent - rightIndent, alignment, localRunDirection);
float maxSize = line.MaxSizeSimple;
currentLeading = fixedLeading + maxSize * multipliedLeading;
float[] xx = findLimitsTwoLines();
if (xx == null)
{
status = NO_MORE_COLUMN;
yLine = yTemp;
bidiLine.restore();
break;
}
float x1 = Math.Max(xx[0], xx[2]);
if (!simulate && !dirty)
{
text.beginText();
dirty = true;
}
if (!simulate)
{
currentValues[0] = currentFont;
text.setTextMatrix(x1 + (line.IsRTL ? rightIndent : firstIndent) + line.IndentLeft, yLine);
pdf.writeLineToContent(line, text, graphics, currentValues, ratio);
currentFont = (PdfFont)currentValues[0];
}
lastWasNewline = line.isNewlineSplit();
yLine -= line.isNewlineSplit() ? extraParagraphSpace : 0;
}
}
else
{
currentLeading = fixedLeading;
for (;;)
{
firstIndent = (lastWasNewline ? indent : followingIndent);
float yTemp = yLine;
float[] xx = findLimitsTwoLines();
if (xx == null)
{
status = NO_MORE_COLUMN;
if (bidiLine.isEmpty())
{
status |= NO_MORE_TEXT;
}
yLine = yTemp;
break;
}
if (bidiLine.isEmpty())
{
status = NO_MORE_TEXT;
yLine = yTemp;
break;
}
float x1 = Math.Max(xx[0], xx[2]);
float x2 = Math.Min(xx[1], xx[3]);
if (x2 - x1 <= firstIndent + rightIndent)
{
continue;
}
if (!simulate && !dirty)
{
text.beginText();
dirty = true;
}
PdfLine line = bidiLine.processLine(x2 - x1 - firstIndent - rightIndent, alignment, localRunDirection);
if (!simulate)
{
currentValues[0] = currentFont;
text.setTextMatrix(x1 + (line.IsRTL ? rightIndent : firstIndent) + line.IndentLeft, yLine);
pdf.writeLineToContent(line, text, graphics, currentValues, ratio);
currentFont = (PdfFont)currentValues[0];
}
lastWasNewline = line.isNewlineSplit();
yLine -= line.isNewlineSplit() ? extraParagraphSpace : 0;
}
}
if (dirty)
{
text.endText();
text.Add(graphics);
}
return(status);
}
// 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.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);
}
allActions = new ArrayList();
ProcessActions(ele, null, allActions);
aCounter = 0;
// we loop over all the listitems
foreach (ListItem item in ((List)ele).Items) {
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);
}
}
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;
}
/**
* Writes all the lines to the text-object.
*
* @return the displacement that was caused
* @throws DocumentException on error
*/
protected internal float FlushLines() {
// checks if the ArrayList with the lines is not null
if (lines == null) {
return 0;
}
// checks if a new Line has to be made.
if (line != null && line.Size > 0) {
lines.Add(line);
line = new PdfLine(IndentLeft, IndentRight, alignment, leading);
}
// checks if the ArrayList with the lines is empty
if (lines.Count == 0) {
return 0;
}
// initialisation of some parameters
Object[] currentValues = new Object[2];
PdfFont currentFont = null;
float displacement = 0;
currentValues[1] = (float)0;
// looping over all the lines
foreach (PdfLine l in lines) {
// this is a line in the loop
float moveTextX = l.IndentLeft - IndentLeft + indentation.indentLeft + indentation.listIndentLeft + indentation.sectionIndentLeft;
text.MoveText(moveTextX, -l.Height);
// is the line preceeded by a symbol?
if (l.ListSymbol != null) {
ColumnText.ShowTextAligned(graphics, Element.ALIGN_LEFT, new Phrase(l.ListSymbol), text.XTLM - l.ListIndent, text.YTLM, 0);
}
currentValues[0] = currentFont;
WriteLineToContent(l, text, graphics, currentValues, writer.SpaceCharRatio);
currentFont = (PdfFont)currentValues[0];
displacement += l.Height;
text.MoveText(-moveTextX, 0);
}
lines = new ArrayList();
return displacement;
}
/**
* Gets the lines of a cell that can be drawn between certain limits.
* <P>
* Remark: all the lines that can be drawn are removed from the object!
*
* @param top the top of the part of the table that can be drawn
* @param bottom the bottom of the part of the table that can be drawn
* @return an <CODE>ArrayList</CODE> of <CODE>PdfLine</CODE>s
*/
public ArrayList GetLines(float top, float bottom)
{
float lineHeight;
float currentPosition = Math.Min(this.Top, top);
this.Top = currentPosition + cellspacing;
ArrayList result = new ArrayList();
// if the bottom of the page is higher than the top of the cell: do nothing
if (Top < bottom) {
return result;
}
// we loop over the lines
int size = lines.Count;
bool aboveBottom = true;
for (int i = 0; i < size && aboveBottom; i++) {
line = (PdfLine) lines[i];
lineHeight = line.Height;
currentPosition -= lineHeight;
// if the currentPosition is higher than the bottom, we add the line to the result
if (currentPosition > (bottom + cellpadding + GetBorderWidthInside(BOTTOM_BORDER))) { // bugfix by Tom Ring and Veerendra Namineni
result.Add(line);
}
else {
aboveBottom = false;
}
}
// if the bottom of the cell is higher than the bottom of the page, the cell is written, so we can remove all lines
float difference = 0f;
if (!header) {
if (aboveBottom) {
lines = new ArrayList();
contentHeight = 0f;
}
else {
size = result.Count;
for (int i = 0; i < size; i++) {
line = RemoveLine(0);
difference += line.Height;
}
}
}
if (difference > 0) {
foreach (Image image in images) {
image.SetAbsolutePosition(image.AbsoluteX, image.AbsoluteY - difference - leading);
}
}
return result;
}
internal void WriteLine(PdfLine line, PdfContentByte text, PdfContentByte graphics) {
PdfFont currentFont = null;
foreach(PdfChunk chunk in line) {
if (chunk.Font.CompareTo(currentFont) != 0) {
currentFont = chunk.Font;
text.SetFontAndSize(currentFont.Font, currentFont.Size);
}
BaseColor color = chunk.Color;
if (color != null)
text.SetColorFill(color);
text.ShowText(chunk.ToString());
if (color != null)
text.ResetRGBColorFill();
}
}
/**
* Adds an image to this Cell.
*
* @param i the image to add
* @param left the left border
* @param right the right border
* @param extraHeight extra height to add above image
* @param alignment horizontal alignment (constant from Element class)
* @return the height of the image
*/
private float AddImage(Image i, float left, float right, float extraHeight, int alignment)
{
Image image = Image.GetInstance(i);
if (image.ScaledWidth > right - left) {
image.ScaleToFit(right - left, float.MaxValue);
}
FlushCurrentLine();
if (line == null) {
line = new PdfLine(left, right, alignment, leading);
}
PdfLine imageLine = line;
// left and right in chunk is relative to the start of the line
right = right - left;
left = 0f;
if ((image.Alignment & Image.RIGHT_ALIGN) == Image.RIGHT_ALIGN) { // fix Uwe Zimmerman
left = right - image.ScaledWidth;
} else if ((image.Alignment & Image.MIDDLE_ALIGN) == Image.MIDDLE_ALIGN) {
left = left + ((right - left - image.ScaledWidth) / 2f);
}
Chunk imageChunk = new Chunk(image, left, 0);
imageLine.Add(new PdfChunk(imageChunk, null));
AddLine(imageLine);
return imageLine.Height;
}
/**
* If the current line is not empty or null, it is added to the arraylist
* of lines and a new empty line is added.
* @throws DocumentException on error
*/
protected internal void CarriageReturn() {
// the arraylist with lines may not be null
if (lines == null) {
lines = new List<PdfLine>();
}
// If the current line is not null or empty
if (line != null && line.Size > 0) {
// we check if the end of the page is reached (bugfix by Francois Gravel)
if (currentHeight + line.Height + leading > IndentTop - IndentBottom) {
// if the end of the line is reached, we start a newPage which will flush existing lines
// then move to next page but before then we need to exclude the current one that does not fit
// After the new page we add the current line back in
PdfLine overflowLine = line;
line = null;
NewPage();
line = overflowLine;
//update left indent because of mirror margins.
overflowLine.left = IndentLeft;
}
currentHeight += line.Height;
lines.Add(line);
pageEmpty = false;
}
if (imageEnd > -1 && currentHeight > imageEnd) {
imageEnd = -1;
indentation.imageIndentRight = 0;
indentation.imageIndentLeft = 0;
}
// a new current line is constructed
line = new PdfLine(IndentLeft, IndentRight, alignment, leading);
}
// methods
private void AddLine(PdfLine line)
{
lines.Add(line);
contentHeight += line.Height;
lastLine = line;
this.line = null;
}
/**
* Writes a text line to the document. It takes care of all the attributes.
* <P>
* Before entering the line position must have been established and the
* <CODE>text</CODE> argument must be in text object scope (<CODE>beginText()</CODE>).
* @param line the line to be written
* @param text the <CODE>PdfContentByte</CODE> where the text will be written to
* @param graphics the <CODE>PdfContentByte</CODE> where the graphics will be written to
* @param currentValues the current font and extra spacing values
* @param ratio
* @throws DocumentException on error
*/
internal float WriteLineToContent(PdfLine line, PdfContentByte text, PdfContentByte graphics, Object[] currentValues, float ratio) {
PdfFont currentFont = (PdfFont)(currentValues[0]);
float lastBaseFactor = (float)currentValues[1];
//PdfChunk chunkz;
int numberOfSpaces;
int lineLen;
bool isJustified;
float hangingCorrection = 0;
float hScale = 1;
float lastHScale = float.NaN;
float baseWordSpacing = 0;
float baseCharacterSpacing = 0;
float glueWidth = 0;
float lastX = text.XTLM + line.OriginalWidth;
numberOfSpaces = line.NumberOfSpaces;
lineLen = line.GetLineLengthUtf32();
// does the line need to be justified?
isJustified = line.HasToBeJustified() && (numberOfSpaces != 0 || lineLen > 1);
int separatorCount = line.GetSeparatorCount();
if (separatorCount > 0) {
glueWidth = line.WidthLeft / separatorCount;
}
else if (isJustified && separatorCount == 0) {
if (line.NewlineSplit && line.WidthLeft >= (lastBaseFactor * (ratio * numberOfSpaces + lineLen - 1))) {
if (line.RTL) {
text.MoveText(line.WidthLeft - lastBaseFactor * (ratio * numberOfSpaces + lineLen - 1), 0);
}
baseWordSpacing = ratio * lastBaseFactor;
baseCharacterSpacing = lastBaseFactor;
}
else {
float width = line.WidthLeft;
PdfChunk last = line.GetChunk(line.Size - 1);
if (last != null) {
String s = last.ToString();
char c;
if (s.Length > 0 && hangingPunctuation.IndexOf((c = s[s.Length - 1])) >= 0) {
float oldWidth = width;
width += last.Font.Width(c) * 0.4f;
hangingCorrection = width - oldWidth;
}
}
float baseFactor = width / (ratio * numberOfSpaces + lineLen - 1);
baseWordSpacing = ratio * baseFactor;
baseCharacterSpacing = baseFactor;
lastBaseFactor = baseFactor;
}
}
else if (line.alignment == Element.ALIGN_LEFT || line.alignment == Element.ALIGN_UNDEFINED) {
lastX -= line.WidthLeft;
}
int lastChunkStroke = line.LastStrokeChunk;
int chunkStrokeIdx = 0;
float xMarker = text.XTLM;
float baseXMarker = xMarker;
float yMarker = text.YTLM;
bool adjustMatrix = false;
float tabPosition = 0;
// looping over all the chunks in 1 line
foreach (PdfChunk chunk in line) {
if (IsTagged(writer) && chunk.accessibleElement != null) {
text.OpenMCBlock(chunk.accessibleElement);
}
BaseColor color = chunk.Color;
float fontSize = chunk.Font.Size;
float ascender;
float descender;
if (chunk.IsImage())
{
ascender = chunk.Height();
descender = 0;
}
else
{
ascender = chunk.Font.Font.GetFontDescriptor(BaseFont.ASCENT, fontSize);
descender = chunk.Font.Font.GetFontDescriptor(BaseFont.DESCENT, fontSize);
}
hScale = 1;
if (chunkStrokeIdx <= lastChunkStroke) {
float width;
if (isJustified) {
width = chunk.GetWidthCorrected(baseCharacterSpacing, baseWordSpacing);
}
else {
width = chunk.Width();
}
if (chunk.IsStroked()) {
PdfChunk nextChunk = line.GetChunk(chunkStrokeIdx + 1);
if (chunk.IsSeparator()) {
width = glueWidth;
Object[] sep = (Object[])chunk.GetAttribute(Chunk.SEPARATOR);
IDrawInterface di = (IDrawInterface)sep[0];
bool vertical = (bool)sep[1];
if (vertical) {
di.Draw(graphics, baseXMarker, yMarker + descender, baseXMarker + line.OriginalWidth, ascender - descender, yMarker);
}
else {
di.Draw(graphics, xMarker, yMarker + descender, xMarker + width, ascender - descender, yMarker);
}
}
if (chunk.IsTab()) {
if (chunk.IsAttribute(Chunk.TABSETTINGS))
{
TabStop tabStop = chunk.TabStop;
if (tabStop != null) {
tabPosition = tabStop.Position + baseXMarker;
if (tabStop.Leader != null)
tabStop.Leader.Draw(graphics, xMarker, yMarker + descender, tabPosition, ascender - descender, yMarker);
}
else {
tabPosition = xMarker;
}
} else {
//Keep deprecated tab logic for backward compatibility...
Object[] tab = (Object[])chunk.GetAttribute(Chunk.TAB);
IDrawInterface di = (IDrawInterface)tab[0];
tabPosition = (float)tab[1] + (float)tab[3];
if (tabPosition > xMarker)
di.Draw(graphics, xMarker, yMarker + descender, tabPosition, ascender - descender, yMarker);
}
float tmp = xMarker;
xMarker = tabPosition;
tabPosition = tmp;
}
if (chunk.IsAttribute(Chunk.BACKGROUND)) {
bool inText = graphics.InText;
if (inText && IsTagged(writer)) {
graphics.EndText();
}
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.BACKGROUND))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
Object[] bgr = (Object[])chunk.GetAttribute(Chunk.BACKGROUND);
graphics.SetColorFill((BaseColor)bgr[0]);
float[] extra = (float[])bgr[1];
graphics.Rectangle(xMarker - extra[0],
yMarker + descender - extra[1] + chunk.TextRise,
width - subtract + extra[0] + extra[2],
ascender - descender + extra[1] + extra[3]);
graphics.Fill();
graphics.SetGrayFill(0);
if (inText && IsTagged(writer)) {
graphics.BeginText(true);
}
}
if (chunk.IsAttribute(Chunk.UNDERLINE) && !chunk.IsNewlineSplit()) {
bool inText = graphics.InText;
if (inText && IsTagged(writer)) {
graphics.EndText();
}
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.UNDERLINE))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
Object[][] unders = (Object[][])chunk.GetAttribute(Chunk.UNDERLINE);
BaseColor scolor = null;
for (int k = 0; k < unders.Length; ++k) {
Object[] obj = unders[k];
scolor = (BaseColor)obj[0];
float[] ps = (float[])obj[1];
if (scolor == null)
scolor = color;
if (scolor != null)
graphics.SetColorStroke(scolor);
graphics.SetLineWidth(ps[0] + fontSize * ps[1]);
float shift = ps[2] + fontSize * ps[3];
int cap2 = (int)ps[4];
if (cap2 != 0)
graphics.SetLineCap(cap2);
graphics.MoveTo(xMarker, yMarker + shift);
graphics.LineTo(xMarker + width - subtract, yMarker + shift);
graphics.Stroke();
if (scolor != null)
graphics.ResetGrayStroke();
if (cap2 != 0)
graphics.SetLineCap(0);
}
graphics.SetLineWidth(1);
if (inText && IsTagged(writer)) {
graphics.BeginText(true);
}
}
if (chunk.IsAttribute(Chunk.ACTION))
{
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.ACTION))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
PdfAnnotation annot = null;
if (chunk.IsImage()) {
annot = new PdfAnnotation(writer, xMarker, yMarker + chunk.ImageOffsetY, xMarker + width - subtract, yMarker + chunk.ImageHeight + chunk.ImageOffsetY, (PdfAction)chunk.GetAttribute(Chunk.ACTION));
}
else {
annot = new PdfAnnotation(writer, xMarker, yMarker + descender + chunk.TextRise, xMarker + width - subtract, yMarker + ascender + chunk.TextRise, (PdfAction)chunk.GetAttribute(Chunk.ACTION));
}
text.AddAnnotation(annot, true);
if (IsTagged(writer) && chunk.accessibleElement != null) {
int structParent = GetStructParentIndex(annot);
annot.Put(PdfName.STRUCTPARENT, new PdfNumber(structParent));
PdfStructureElement strucElem;
structElements.TryGetValue(chunk.accessibleElement.ID, out strucElem);
if (strucElem != null) {
PdfArray kArray = strucElem.GetAsArray(PdfName.K);
if (kArray == null) {
kArray = new PdfArray();
PdfObject k = strucElem.Get(PdfName.K);
if (k != null) {
kArray.Add(k);
}
strucElem.Put(PdfName.K, kArray);
}
PdfDictionary dict = new PdfDictionary();
dict.Put(PdfName.TYPE, PdfName.OBJR);
dict.Put(PdfName.OBJ, annot.IndirectReference);
kArray.Add(dict);
writer.StructureTreeRoot.SetAnnotationMark(structParent, strucElem.Reference);
}
}
}
if (chunk.IsAttribute(Chunk.REMOTEGOTO)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.REMOTEGOTO))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
Object[] obj = (Object[])chunk.GetAttribute(Chunk.REMOTEGOTO);
String filename = (String)obj[0];
if (obj[1] is String)
RemoteGoto(filename, (String)obj[1], xMarker, yMarker + descender + chunk.TextRise, xMarker + width - subtract, yMarker + ascender + chunk.TextRise);
else
RemoteGoto(filename, (int)obj[1], xMarker, yMarker + descender + chunk.TextRise, xMarker + width - subtract, yMarker + ascender + chunk.TextRise);
}
if (chunk.IsAttribute(Chunk.LOCALGOTO)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.LOCALGOTO))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
LocalGoto((String)chunk.GetAttribute(Chunk.LOCALGOTO), xMarker, yMarker, xMarker + width - subtract, yMarker + fontSize);
}
if (chunk.IsAttribute(Chunk.LOCALDESTINATION)) {
/*float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.LOCALDESTINATION))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;*/
LocalDestination((String)chunk.GetAttribute(Chunk.LOCALDESTINATION), new PdfDestination(PdfDestination.XYZ, xMarker, yMarker + fontSize, 0));
}
if (chunk.IsAttribute(Chunk.GENERICTAG)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.GENERICTAG))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
Rectangle rect = new Rectangle(xMarker, yMarker, xMarker + width - subtract, yMarker + fontSize);
IPdfPageEvent pev = writer.PageEvent;
if (pev != null)
pev.OnGenericTag(writer, this, rect, (String)chunk.GetAttribute(Chunk.GENERICTAG));
}
if (chunk.IsAttribute(Chunk.PDFANNOTATION)) {
float subtract = lastBaseFactor;
if (nextChunk != null && nextChunk.IsAttribute(Chunk.PDFANNOTATION))
subtract = 0;
if (nextChunk == null)
subtract += hangingCorrection;
PdfAnnotation annot = PdfFormField.ShallowDuplicate((PdfAnnotation)chunk.GetAttribute(Chunk.PDFANNOTATION));
annot.Put(PdfName.RECT, new PdfRectangle(xMarker, yMarker + descender, xMarker + width - subtract, yMarker + ascender));
text.AddAnnotation(annot, true);
}
float[] paramsx = (float[])chunk.GetAttribute(Chunk.SKEW);
object hs = chunk.GetAttribute(Chunk.HSCALE);
if (paramsx != null || hs != null) {
float b = 0, c = 0;
if (paramsx != null) {
b = paramsx[0];
c = paramsx[1];
}
if (hs != null)
hScale = (float)hs;
text.SetTextMatrix(hScale, b, c, 1, xMarker, yMarker);
}
if (!isJustified)
{
if (chunk.IsAttribute(Chunk.WORD_SPACING))
{
float ws = (float)chunk.GetAttribute(Chunk.WORD_SPACING);
text.SetWordSpacing(ws);
}
}
if (chunk.IsAttribute(Chunk.CHAR_SPACING)) {
float cs = (float) chunk.GetAttribute(Chunk.CHAR_SPACING);
text.SetCharacterSpacing(cs);
}
if (chunk.IsImage()) {
Image image = chunk.Image;
width = chunk.ImageWidth;
float[] matrix = image.GetMatrix(chunk.ImageScalePercentage);
matrix[Image.CX] = xMarker + chunk.ImageOffsetX - matrix[Image.CX];
matrix[Image.CY] = yMarker + chunk.ImageOffsetY - matrix[Image.CY];
graphics.AddImage(image, matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
text.MoveText(xMarker + lastBaseFactor + chunk.ImageWidth - text.XTLM, 0);
}
}
xMarker += width;
++chunkStrokeIdx;
}
if (!chunk.IsImage() && chunk.Font.CompareTo(currentFont) != 0) {
currentFont = chunk.Font;
text.SetFontAndSize(currentFont.Font, currentFont.Size);
}
float rise = 0;
Object[] textRender = (Object[])chunk.GetAttribute(Chunk.TEXTRENDERMODE);
int tr = 0;
float strokeWidth = 1;
BaseColor strokeColor = null;
object fr = chunk.GetAttribute(Chunk.SUBSUPSCRIPT);
if (textRender != null) {
tr = (int)textRender[0] & 3;
if (tr != PdfContentByte.TEXT_RENDER_MODE_FILL)
text.SetTextRenderingMode(tr);
if (tr == PdfContentByte.TEXT_RENDER_MODE_STROKE || tr == PdfContentByte.TEXT_RENDER_MODE_FILL_STROKE) {
strokeWidth = (float)textRender[1];
if (strokeWidth != 1)
text.SetLineWidth(strokeWidth);
strokeColor = (BaseColor)textRender[2];
if (strokeColor == null)
strokeColor = color;
if (strokeColor != null)
text.SetColorStroke(strokeColor);
}
}
if (fr != null)
rise = (float)fr;
if (color != null)
text.SetColorFill(color);
if (rise != 0)
text.SetTextRise(rise);
if (chunk.IsImage()) {
adjustMatrix = true;
}
else if (chunk.IsHorizontalSeparator()) {
PdfTextArray array = new PdfTextArray();
array.Add(-glueWidth * 1000f / chunk.Font.Size / hScale);
text.ShowText(array);
}
else if (chunk.IsTab() && tabPosition != xMarker)
{
PdfTextArray array = new PdfTextArray();
array.Add((tabPosition - xMarker) * 1000f / chunk.Font.Size / hScale);
text.ShowText(array);
}
// If it is a CJK chunk or Unicode TTF we will have to simulate the
// space adjustment.
else if (isJustified && numberOfSpaces > 0 && chunk.IsSpecialEncoding()) {
if (hScale != lastHScale) {
lastHScale = hScale;
text.SetWordSpacing(baseWordSpacing / hScale);
text.SetCharacterSpacing(baseCharacterSpacing / hScale + text.CharacterSpacing);
}
String s = chunk.ToString();
int idx = s.IndexOf(' ');
if (idx < 0)
text.ShowText(s);
else {
float spaceCorrection = - baseWordSpacing * 1000f / chunk.Font.Size / hScale;
PdfTextArray textArray = new PdfTextArray(s.Substring(0, idx));
int lastIdx = idx;
while ((idx = s.IndexOf(' ', lastIdx + 1)) >= 0) {
textArray.Add(spaceCorrection);
textArray.Add(s.Substring(lastIdx, idx - lastIdx));
lastIdx = idx;
}
textArray.Add(spaceCorrection);
textArray.Add(s.Substring(lastIdx));
text.ShowText(textArray);
}
}
else {
if (isJustified && hScale != lastHScale) {
lastHScale = hScale;
text.SetWordSpacing(baseWordSpacing / hScale);
text.SetCharacterSpacing(baseCharacterSpacing / hScale + text.CharacterSpacing);
}
text.ShowText(chunk.ToString());
}
if (rise != 0)
text.SetTextRise(0);
if (color != null)
text.ResetRGBColorFill();
if (tr != PdfContentByte.TEXT_RENDER_MODE_FILL)
text.SetTextRenderingMode(PdfContentByte.TEXT_RENDER_MODE_FILL);
if (strokeColor != null)
text.ResetRGBColorStroke();
if (strokeWidth != 1)
text.SetLineWidth(1);
if (chunk.IsAttribute(Chunk.SKEW) || chunk.IsAttribute(Chunk.HSCALE)) {
adjustMatrix = true;
text.SetTextMatrix(xMarker, yMarker);
}
if (chunk.IsAttribute(Chunk.CHAR_SPACING)) {
text.SetCharacterSpacing(baseCharacterSpacing);
}
if (chunk.IsAttribute(Chunk.WORD_SPACING)) {
text.SetWordSpacing(baseWordSpacing);
}
if (IsTagged(writer) && chunk.accessibleElement != null) {
text.CloseMCBlock(chunk.accessibleElement);
}
}
if (isJustified) {
text.SetWordSpacing(0);
text.SetCharacterSpacing(0);
if (line.NewlineSplit)
lastBaseFactor = 0;
}
if (adjustMatrix)
text.MoveText(baseXMarker - text.XTLM, 0);
currentValues[0] = currentFont;
currentValues[1] = lastBaseFactor;
return lastX;
}
// 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 attributes from class Cell
this.Border = cell.Border;
this.BorderWidth = cell.BorderWidth;
this.BorderColor = cell.BorderColor;
this.BackgroundColor = cell.BackgroundColor;
this.GrayFill = cell.GrayFill;
// 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;
float height = leading + cellpadding;
float rowSpan = (float)cell.Rowspan;
switch (cell.VerticalAlignment)
{
case Element.ALIGN_BOTTOM:
height *= rowSpan;
break;
case Element.ALIGN_MIDDLE:
height *= (float)(rowSpan / 1.5);
break;
default:
height -= cellpadding * 0.4f;
break;
}
line = new PdfLine(left, right, alignment, height);
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.IMGRAW:
case Element.IMGTEMPLATE:
case Element.GIF:
case Element.PNG:
height = addImage((Image)ele, left, right, height, alignment);
break;
// if the element is a list
case Element.LIST:
if (line.Size > 0)
{
line.resetAlignment();
lines.Add(line);
}
allActions = new ArrayList();
processActions(ele, null, allActions);
aCounter = 0;
// we loop over all the listitems
foreach (ListItem item in ((List)ele).Items)
{
line = new PdfLine(left + item.IndentationLeft, right, alignment, leading);
line.ListItem = item;
foreach (Chunk c in item.Chunks)
{
chunk = new PdfChunk(c, (PdfAction)(allActions[aCounter++]));
while ((overflow = line.Add(chunk)) != null)
{
lines.Add(line);
line = new PdfLine(left + item.IndentationLeft, right, alignment, leading);
chunk = overflow;
}
line.resetAlignment();
lines.Add(line);
line = new PdfLine(left + item.IndentationLeft, right, alignment, leading);
}
}
line = new PdfLine(left, right, alignment, leading);
break;
// if the element is something else
default:
allActions = new ArrayList();
processActions(ele, null, allActions);
aCounter = 0;
// we loop over the chunks
foreach (Chunk c in ele.Chunks)
{
chunk = new PdfChunk(c, (PdfAction)(allActions[aCounter++]));
while ((overflow = line.Add(chunk)) != null)
{
lines.Add(line);
line = new PdfLine(left, right, alignment, leading);
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();
lines.Add(line);
line = new PdfLine(left, right, alignment, leading);
break;
}
break;
}
}
if (line.Size > 0)
{
lines.Add(line);
}
// we set some additional parameters
this.Bottom = top - leading * (lines.Count - 1) - cellpadding - height - 2 * cellspacing;
this.cellpadding = cellpadding;
this.cellspacing = cellspacing;
rowspan = cell.Rowspan;
this.rownumber = rownumber;
}
