Example 1 with DrawInterface
use of com.lowagie.text.pdf.draw.DrawInterface in project OpenPDF by LibrePDF.
the class PdfDocument method add.
/**
* 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 boolean add(Element element) throws DocumentException {
if (writer != null && writer.isPaused()) {
return false;
}
try {
switch(element.type()) {
// Information (headers)
case Element.HEADER:
info.addkey(((Meta) element).getName(), ((Meta) element).getContent());
break;
case Element.TITLE:
info.addTitle(((Meta) element).getContent());
break;
case Element.SUBJECT:
info.addSubject(((Meta) element).getContent());
break;
case Element.KEYWORDS:
info.addKeywords(((Meta) element).getContent());
break;
case Element.AUTHOR:
info.addAuthor(((Meta) element).getContent());
break;
case Element.CREATOR:
info.addCreator(((Meta) element).getContent());
break;
case Element.PRODUCER:
info.addProducer(((Meta) element).getContent());
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.getReference();
leading = anchor.getLeading();
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.llx(indentRight() - line.widthLeft()), annot.ury(indentTop() - currentHeight - 20), annot.urx(indentRight() - line.widthLeft() + 20), annot.lly(indentTop() - currentHeight));
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).getLeading();
// 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.getSpacingBefore(), leading, paragraph.getFont());
// we adjust the parameters of the document
alignment = paragraph.getAlignment();
leading = paragraph.getTotalLeading();
carriageReturn();
// we don't want to make orphans/widows
if (currentHeight + line.height() + leading > indentTop() - indentBottom()) {
newPage();
}
indentation.indentLeft += paragraph.getIndentationLeft();
indentation.indentRight += paragraph.getIndentationRight();
carriageReturn();
PdfPageEvent pageEvent = writer.getPageEvent();
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.getKeepTogether()) {
carriageReturn();
// fixes bug with nested tables not shown
// Paragraph#getChunks() doesn't contain the nested table element
PdfPTable table = createInOneCell(paragraph);
indentation.indentLeft -= paragraph.getIndentationLeft();
indentation.indentRight -= paragraph.getIndentationRight();
this.add(table);
indentation.indentLeft += paragraph.getIndentationLeft();
indentation.indentRight += paragraph.getIndentationRight();
} else {
line.setExtraIndent(paragraph.getFirstLineIndent());
element.process(this);
carriageReturn();
addSpacing(paragraph.getSpacingAfter(), paragraph.getTotalLeading(), paragraph.getFont());
}
if (pageEvent != null && !isSectionTitle)
pageEvent.onParagraphEnd(writer, this, indentTop() - currentHeight);
alignment = Element.ALIGN_LEFT;
indentation.indentLeft -= paragraph.getIndentationLeft();
indentation.indentRight -= paragraph.getIndentationRight();
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;
PdfPageEvent pageEvent = writer.getPageEvent();
boolean hasTitle = section.isNotAddedYet() && section.getTitle() != null;
// if the section is a chapter, we begin a new page
if (section.isTriggerNewPage()) {
newPage();
}
if (hasTitle) {
float fith = indentTop() - currentHeight;
int rotation = pageSize.getRotation();
if (rotation == 90 || rotation == 180)
fith = pageSize.getHeight() - fith;
PdfDestination destination = new PdfDestination(PdfDestination.FITH, fith);
while (currentOutline.level() >= section.getDepth()) {
currentOutline = currentOutline.parent();
}
PdfOutline outline = new PdfOutline(currentOutline, destination, section.getBookmarkTitle(), section.isBookmarkOpen());
currentOutline = outline;
}
// some values are set
carriageReturn();
indentation.sectionIndentLeft += section.getIndentationLeft();
indentation.sectionIndentRight += section.getIndentationRight();
if (section.isNotAddedYet() && pageEvent != null)
if (element.type() == Element.CHAPTER)
pageEvent.onChapter(writer, this, indentTop() - currentHeight, section.getTitle());
else
pageEvent.onSection(writer, this, indentTop() - currentHeight, section.getDepth(), section.getTitle());
// the title of the section (if any has to be printed)
if (hasTitle) {
isSectionTitle = true;
add(section.getTitle());
isSectionTitle = false;
}
indentation.sectionIndentLeft += section.getIndentation();
// we process the section
element.process(this);
flushLines();
// some parameters are set back to normal again
indentation.sectionIndentLeft -= (section.getIndentationLeft() + section.getIndentation());
indentation.sectionIndentRight -= section.getIndentationRight();
if (section.isComplete() && 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.isAlignindent()) {
list.normalizeIndentation();
}
// we adjust the document
indentation.listIndentLeft += list.getIndentationLeft();
indentation.indentRight += list.getIndentationRight();
// we process the items in the list
element.process(this);
// some parameters are set back to normal again
indentation.listIndentLeft -= list.getIndentationLeft();
indentation.indentRight -= list.getIndentationRight();
carriageReturn();
break;
}
case Element.LISTITEM:
{
leadingCount++;
// we cast the element to a ListItem
ListItem listItem = (ListItem) element;
addSpacing(listItem.getSpacingBefore(), leading, listItem.getFont());
// we adjust the document
alignment = listItem.getAlignment();
indentation.listIndentLeft += listItem.getIndentationLeft();
indentation.indentRight += listItem.getIndentationRight();
leading = listItem.getTotalLeading();
carriageReturn();
// we prepare the current line to be able to show us the listsymbol
line.setListItem(listItem);
// we process the item
element.process(this);
addSpacing(listItem.getSpacingAfter(), listItem.getTotalLeading(), listItem.getFont());
// 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.getIndentationLeft();
indentation.indentRight -= listItem.getIndentationRight();
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.getHeaderRows())
// nothing to do
break;
// 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.getDirectContent(), this, indentTop() - currentHeight);
currentHeight += height;
text.moveText(0, -1f * height);
pageEmpty = false;
break;
}
case Element.TABLE:
{
if (element instanceof SimpleTable) {
PdfPTable ptable = ((SimpleTable) element).createPdfPTable();
if (ptable.size() <= ptable.getHeaderRows())
// nothing to do
break;
// before every table, we add a new line and flush all lines
ensureNewLine();
flushLines();
addPTable(ptable);
pageEmpty = false;
break;
} else if (element instanceof Table) {
try {
PdfPTable ptable = ((Table) element).createPdfPTable();
if (ptable.size() <= ptable.getHeaderRows())
// nothing to do
break;
// before every table, we add a new line and flush all lines
ensureNewLine();
flushLines();
addPTable(ptable);
pageEmpty = false;
break;
} catch (BadElementException bee) {
// constructing the PdfTable
// Before the table, add a blank line using offset or default leading
float offset = ((Table) element).getOffset();
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:
{
DrawInterface zh = (DrawInterface) element;
zh.draw(graphics, indentLeft(), indentBottom(), indentRight(), indentTop(), indentTop() - currentHeight - (leadingCount > 0 ? leading : 0));
pageEmpty = false;
break;
}
case Element.MARKED:
{
MarkedObject mo;
if (element instanceof MarkedSection) {
mo = ((MarkedSection) element).getTitle();
if (mo != null) {
mo.process(this);
}
}
mo = (MarkedObject) element;
mo.process(this);
break;
}
default:
return false;
}
lastElementType = element.type();
return true;
} catch (Exception e) {
throw new DocumentException(e);
}
}
Also used :
Rectangle(com.lowagie.text.Rectangle)
Image(com.lowagie.text.Image)
DocumentException(com.lowagie.text.DocumentException)
ArrayList(java.util.ArrayList)
List(com.lowagie.text.List)
Table(com.lowagie.text.Table)
SimpleTable(com.lowagie.text.SimpleTable)
BadElementException(com.lowagie.text.BadElementException)
MarkedSection(com.lowagie.text.MarkedSection)
SimpleTable(com.lowagie.text.SimpleTable)
DrawInterface(com.lowagie.text.pdf.draw.DrawInterface)
Phrase(com.lowagie.text.Phrase)
Chunk(com.lowagie.text.Chunk)
MarkedSection(com.lowagie.text.MarkedSection)
Section(com.lowagie.text.Section)
Annotation(com.lowagie.text.Annotation)
BadElementException(com.lowagie.text.BadElementException)
IOException(java.io.IOException)
DocumentException(com.lowagie.text.DocumentException)
Paragraph(com.lowagie.text.Paragraph)
Anchor(com.lowagie.text.Anchor)
ListItem(com.lowagie.text.ListItem)
MarkedObject(com.lowagie.text.MarkedObject)
Example 2 with DrawInterface
use of com.lowagie.text.pdf.draw.DrawInterface in project OpenPDF by LibrePDF.
the class PdfDocument method writeLineToContent.
/**
* 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
*/
void writeLineToContent(PdfLine line, PdfContentByte text, PdfContentByte graphics, Object[] currentValues, float ratio) throws DocumentException {
PdfFont currentFont = (PdfFont) (currentValues[0]);
float lastBaseFactor = (Float) (currentValues[1]);
PdfChunk chunk;
int numberOfSpaces;
int lineLen;
boolean isJustified;
float hangingCorrection = 0;
float hScale = 1;
float lastHScale = Float.NaN;
float baseWordSpacing = 0;
float baseCharacterSpacing = 0;
float glueWidth = 0;
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) {
if (line.isNewlineSplit() && line.widthLeft() >= (lastBaseFactor * (ratio * numberOfSpaces + lineLen - 1))) {
if (line.isRTL() || (LayoutProcessor.isEnabled() && LayoutProcessor.isSet(LAYOUT_RIGHT_TO_LEFT))) {
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.charAt(s.length() - 1))) >= 0) {
float oldWidth = width;
width += last.font().width(c) * 0.4f;
hangingCorrection = width - oldWidth;
}
}
// if there's a single word on the line and we are using NO_SPACE_CHAR_RATIO,
// we don't want any character spacing
float baseFactor = (numberOfSpaces == 0 && ratio == PdfWriter.NO_SPACE_CHAR_RATIO) ? 0f : width / (ratio * numberOfSpaces + lineLen - 1);
baseWordSpacing = ratio * baseFactor;
baseCharacterSpacing = baseFactor;
lastBaseFactor = baseFactor;
}
}
int lastChunkStroke = line.getLastStrokeChunk();
int chunkStrokeIdx = 0;
float xMarker = text.getXTLM();
float baseXMarker = xMarker;
float yMarker = text.getYTLM();
boolean adjustMatrix = false;
float tabPosition = 0;
// looping over all the chunks in 1 line
for (Iterator j = line.iterator(); j.hasNext(); ) {
chunk = (PdfChunk) j.next();
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.isSeparator()) {
width = glueWidth;
Object[] sep = (Object[]) chunk.getAttribute(Chunk.SEPARATOR);
DrawInterface di = (DrawInterface) sep[0];
Boolean vertical = (Boolean) sep[1];
float fontSize = chunk.font().size();
float ascender = chunk.font().getFont().getFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.font().getFont().getFontDescriptor(BaseFont.DESCENT, fontSize);
if (vertical) {
di.draw(graphics, baseXMarker, yMarker + descender, baseXMarker + line.getOriginalWidth(), ascender - descender, yMarker);
} else {
di.draw(graphics, xMarker, yMarker + descender, xMarker + width, ascender - descender, yMarker);
}
}
if (chunk.isTab()) {
Object[] tab = (Object[]) chunk.getAttribute(Chunk.TAB);
DrawInterface di = (DrawInterface) tab[0];
tabPosition = (Float) tab[1] + (Float) tab[3];
float fontSize = chunk.font().size();
float ascender = chunk.font().getFont().getFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.font().getFont().getFontDescriptor(BaseFont.DESCENT, fontSize);
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)) {
graphics.saveState();
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().getFont().getFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.font().getFont().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.getTextRise(), width - subtract + extra[0] + extra[2], ascender - descender + extra[1] + extra[3]);
graphics.fill();
graphics.setGrayFill(0);
graphics.restoreState();
}
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 (Object[] obj : unders) {
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] instanceof String)
remoteGoto(filename, (String) obj[1], xMarker, yMarker, xMarker + width - subtract, yMarker + chunk.font().size());
else
remoteGoto(filename, (Integer) 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());
PdfPageEvent pev = writer.getPageEvent();
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().getFont().getFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.font().getFont().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[] params = (float[]) chunk.getAttribute(Chunk.SKEW);
Float hs = (Float) chunk.getAttribute(Chunk.HSCALE);
if (params != null || hs != null) {
float b = 0, c = 0;
if (params != null) {
b = params[0];
c = params[1];
}
if (hs != null)
hScale = hs;
text.setTextMatrix(hScale, b, c, 1, xMarker, yMarker);
}
if (chunk.isAttribute(Chunk.CHAR_SPACING)) {
Float cs = (Float) chunk.getAttribute(Chunk.CHAR_SPACING);
text.setCharacterSpacing(cs);
}
if (chunk.isImage()) {
Image image = chunk.getImage();
float[] matrix = image.matrix();
matrix[Image.CX] = xMarker + chunk.getImageOffsetX() - matrix[Image.CX];
matrix[Image.CY] = yMarker + chunk.getImageOffsetY() - matrix[Image.CY];
graphics.addImage(image, matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
text.moveText(xMarker + lastBaseFactor + image.getScaledWidth() - text.getXTLM(), 0);
}
}
xMarker += width;
++chunkStrokeIdx;
}
if (chunk.font().compareTo(currentFont) != 0) {
currentFont = chunk.font();
text.setFontAndSize(currentFont.getFont(), currentFont.size());
}
float rise = 0;
Object[] textRender = (Object[]) chunk.getAttribute(Chunk.TEXTRENDERMODE);
int tr = 0;
float strokeWidth = 1;
Color strokeColor = null;
Float fr = (Float) chunk.getAttribute(Chunk.SUBSUPSCRIPT);
if (textRender != null) {
tr = (Integer) 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 = fr;
if (color != null)
text.setColorFill(color);
if (rise != 0)
text.setTextRise(rise);
if (chunk.isImage()) {
adjustMatrix = true;
} else if (chunk.isVerticalSeparator()) {
// Did nothing here to avoid printing out OBJECT_REPLACEMENT_CHARACTER
} else if (chunk.isHorizontalSeparator()) {
PdfTextArray array = new PdfTextArray();
array.add(-glueWidth * 1000f / chunk.font.size() / hScale);
text.showText(array);
} else if (chunk.isTab()) {
PdfTextArray array = new PdfTextArray();
array.add((tabPosition - xMarker) * 1000f / chunk.font.size() / hScale);
text.showText(array);
} else // space adjustment.
if (isJustified && numberOfSpaces > 0 && chunk.isSpecialEncoding()) {
if (hScale != lastHScale) {
lastHScale = hScale;
text.setWordSpacing(baseWordSpacing / hScale);
text.setCharacterSpacing(baseCharacterSpacing / hScale + text.getCharacterSpacing());
}
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();
if (LayoutProcessor.isEnabled() && LayoutProcessor.isSet(LAYOUT_RIGHT_TO_LEFT)) {
textArray.setRTL(true);
}
textArray.add(s.substring(0, idx));
int lastIdx = idx;
while ((idx = s.indexOf(' ', lastIdx + 1)) >= 0) {
textArray.add(spaceCorrection);
textArray.add(s.substring(lastIdx, idx));
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.getCharacterSpacing());
}
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 (isJustified) {
text.setWordSpacing(0);
text.setCharacterSpacing(0);
if (line.isNewlineSplit())
lastBaseFactor = 0;
}
if (adjustMatrix)
text.moveText(baseXMarker - text.getXTLM(), 0);
currentValues[0] = currentFont;
currentValues[1] = lastBaseFactor;
}
Also used :
Color(java.awt.Color)
Rectangle(com.lowagie.text.Rectangle)
DrawInterface(com.lowagie.text.pdf.draw.DrawInterface)
Image(com.lowagie.text.Image)
Iterator(java.util.Iterator)
MarkedObject(com.lowagie.text.MarkedObject)
Example 3 with DrawInterface
use of com.lowagie.text.pdf.draw.DrawInterface in project OpenPDF by LibrePDF.
the class ColumnText method goComposite.
protected int goComposite(boolean simulate) throws DocumentException {
if (!rectangularMode)
throw new DocumentException(MessageLocalization.getComposedMessage("irregular.columns.are.not.supported.in.composite.mode"));
linesWritten = 0;
descender = 0;
boolean firstPass = adjustFirstLine;
main_loop: while (true) {
if (compositeElements.isEmpty()) {
return NO_MORE_TEXT;
}
Element element = compositeElements.getFirst();
if (element.type() == Element.PARAGRAPH) {
Paragraph para = (Paragraph) element;
int status = 0;
for (int keep = 0; keep < 2; ++keep) {
float lastY = yLine;
boolean createHere = false;
if (compositeColumn == null) {
compositeColumn = new ColumnText(canvas);
compositeColumn.setUseAscender(firstPass && useAscender);
compositeColumn.setAlignment(para.getAlignment());
compositeColumn.setIndent(para.getIndentationLeft() + para.getFirstLineIndent());
compositeColumn.setExtraParagraphSpace(para.getExtraParagraphSpace());
compositeColumn.setFollowingIndent(para.getIndentationLeft());
compositeColumn.setRightIndent(para.getIndentationRight());
compositeColumn.setLeading(para.getLeading(), para.getMultipliedLeading());
compositeColumn.setRunDirection(para.getRunDirection() == PdfWriter.RUN_DIRECTION_DEFAULT ? runDirection : para.getRunDirection());
compositeColumn.setArabicOptions(arabicOptions);
compositeColumn.setSpaceCharRatio(spaceCharRatio);
compositeColumn.addText(para);
if (!firstPass) {
yLine -= para.getSpacingBefore();
}
createHere = true;
}
compositeColumn.leftX = leftX;
compositeColumn.rightX = rightX;
compositeColumn.yLine = yLine;
compositeColumn.rectangularWidth = rectangularWidth;
compositeColumn.rectangularMode = rectangularMode;
compositeColumn.minY = minY;
compositeColumn.maxY = maxY;
boolean keepCandidate = (para.getKeepTogether() && createHere && !firstPass);
status = compositeColumn.go(simulate || (keepCandidate && keep == 0));
updateFilledWidth(compositeColumn.filledWidth);
if ((status & NO_MORE_TEXT) == 0 && keepCandidate) {
compositeColumn = null;
yLine = lastY;
return NO_MORE_COLUMN;
}
if (simulate || !keepCandidate)
break;
if (keep == 0) {
compositeColumn = null;
yLine = lastY;
}
}
firstPass = false;
if (compositeColumn != null) {
yLine = compositeColumn.yLine;
linesWritten += compositeColumn.linesWritten;
descender = compositeColumn.descender;
}
if ((status & NO_MORE_TEXT) != 0) {
compositeColumn = null;
compositeElements.removeFirst();
yLine -= para.getSpacingAfter();
}
if ((status & NO_MORE_COLUMN) != 0) {
return NO_MORE_COLUMN;
}
} else if (element.type() == Element.LIST) {
com.lowagie.text.List list = (com.lowagie.text.List) element;
java.util.List<Element> items = list.getItems();
ListItem item = null;
float listIndentation = list.getIndentationLeft();
int count = 0;
Stack<Object[]> stack = new Stack<>();
for (int k = 0; k < items.size(); ++k) {
Object obj = items.get(k);
if (obj instanceof ListItem) {
if (count == listIdx) {
item = (ListItem) obj;
break;
} else
++count;
} else if (obj instanceof com.lowagie.text.List) {
stack.push(new Object[] { list, k, listIndentation });
list = (com.lowagie.text.List) obj;
items = list.getItems();
listIndentation += list.getIndentationLeft();
k = -1;
continue;
}
if (k == items.size() - 1) {
if (!stack.isEmpty()) {
Object[] objs = stack.pop();
list = (com.lowagie.text.List) objs[0];
items = list.getItems();
k = (Integer) objs[1];
listIndentation = (Float) objs[2];
}
}
}
int status = 0;
for (int keep = 0; keep < 2; ++keep) {
float lastY = yLine;
boolean createHere = false;
if (compositeColumn == null) {
if (item == null) {
listIdx = 0;
compositeElements.removeFirst();
continue main_loop;
}
compositeColumn = new ColumnText(canvas);
compositeColumn.setUseAscender(firstPass && useAscender);
compositeColumn.setAlignment(item.getAlignment());
compositeColumn.setIndent(item.getIndentationLeft() + listIndentation + item.getFirstLineIndent());
compositeColumn.setExtraParagraphSpace(item.getExtraParagraphSpace());
compositeColumn.setFollowingIndent(compositeColumn.getIndent());
compositeColumn.setRightIndent(item.getIndentationRight() + list.getIndentationRight());
compositeColumn.setLeading(item.getLeading(), item.getMultipliedLeading());
compositeColumn.setRunDirection(runDirection);
compositeColumn.setArabicOptions(arabicOptions);
compositeColumn.setSpaceCharRatio(spaceCharRatio);
compositeColumn.addText(item);
if (!firstPass) {
yLine -= item.getSpacingBefore();
}
createHere = true;
}
compositeColumn.leftX = leftX;
compositeColumn.rightX = rightX;
compositeColumn.yLine = yLine;
compositeColumn.rectangularWidth = rectangularWidth;
compositeColumn.rectangularMode = rectangularMode;
compositeColumn.minY = minY;
compositeColumn.maxY = maxY;
boolean keepCandidate = (item != null && item.getKeepTogether() && createHere && !firstPass);
status = compositeColumn.go(simulate || (keepCandidate && keep == 0));
updateFilledWidth(compositeColumn.filledWidth);
if ((status & NO_MORE_TEXT) == 0 && keepCandidate) {
compositeColumn = null;
yLine = lastY;
return NO_MORE_COLUMN;
}
if (simulate || !keepCandidate)
break;
if (keep == 0) {
compositeColumn = null;
yLine = lastY;
}
}
firstPass = false;
yLine = compositeColumn.yLine;
linesWritten += compositeColumn.linesWritten;
descender = compositeColumn.descender;
if (!Float.isNaN(compositeColumn.firstLineY) && !compositeColumn.firstLineYDone) {
if (!simulate && item != null) {
showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(item.getListSymbol()), compositeColumn.leftX + listIndentation, compositeColumn.firstLineY, 0);
}
compositeColumn.firstLineYDone = true;
}
if ((status & NO_MORE_TEXT) != 0) {
compositeColumn = null;
++listIdx;
if (item != null) {
yLine -= item.getSpacingAfter();
}
}
if ((status & NO_MORE_COLUMN) != 0)
return NO_MORE_COLUMN;
} else if (element.type() == Element.PTABLE) {
// don't write anything in the current column if there's no more space available
if (yLine < minY || yLine > maxY)
return NO_MORE_COLUMN;
// get the PdfPTable element
PdfPTable table = (PdfPTable) element;
// we ignore tables without a body
if (table.size() <= table.getHeaderRows()) {
compositeElements.removeFirst();
continue;
}
// offsets
float yTemp = yLine;
if (!firstPass && listIdx == 0)
yTemp -= table.spacingBefore();
float yLineWrite = yTemp;
// don't write anything in the current column if there's no more space available
if (yTemp < minY || yTemp > maxY)
return NO_MORE_COLUMN;
// coordinates
currentLeading = 0;
float x1 = leftX;
float tableWidth;
if (table.isLockedWidth()) {
tableWidth = table.getTotalWidth();
updateFilledWidth(tableWidth);
} else {
tableWidth = rectangularWidth * table.getWidthPercentage() / 100f;
table.setTotalWidth(tableWidth);
}
// how many header rows are real header rows; how many are footer rows?
int headerRows = table.getHeaderRows();
int footerRows = table.getFooterRows();
if (footerRows > headerRows)
footerRows = headerRows;
int realHeaderRows = headerRows - footerRows;
float headerHeight = table.getHeaderHeight();
float footerHeight = table.getFooterHeight();
// make sure the header and footer fit on the page
boolean skipHeader = (!firstPass && table.isSkipFirstHeader() && listIdx <= headerRows);
if (!skipHeader) {
yTemp -= headerHeight;
if (yTemp < minY || yTemp > maxY) {
if (firstPass) {
compositeElements.removeFirst();
continue;
}
return NO_MORE_COLUMN;
}
}
// how many real rows (not header or footer rows) fit on a page?
int k;
if (listIdx < headerRows)
listIdx = headerRows;
if (!table.isComplete())
yTemp -= footerHeight;
for (k = listIdx; k < table.size(); ++k) {
float rowHeight = table.getRowHeight(k);
if (yTemp - rowHeight < minY)
break;
yTemp -= rowHeight;
}
if (!table.isComplete())
yTemp += footerHeight;
// either k is the first row that doesn't fit on the page (break);
if (k < table.size()) {
if (table.isSplitRows() && (!table.isSplitLate() || (k == listIdx && firstPass))) {
if (!splittedRow) {
splittedRow = true;
table = new PdfPTable(table);
compositeElements.set(0, table);
List<PdfPRow> rows = table.getRows();
for (int i = headerRows; i < listIdx; ++i) rows.set(i, null);
}
float h = yTemp - minY;
PdfPRow newRow = table.getRow(k).splitRow(table, k, h);
if (newRow == null) {
if (k == listIdx)
return NO_MORE_COLUMN;
} else {
yTemp = minY;
table.getRows().add(++k, newRow);
}
} else if (!table.isSplitRows() && k == listIdx && firstPass) {
return NO_MORE_COLUMN;
} else if (k == listIdx && !firstPass && (!table.isSplitRows() || table.isSplitLate()) && (table.getFooterRows() == 0 || table.isComplete()))
return NO_MORE_COLUMN;
}
// or k is the number of rows in the table (for loop was done).
firstPass = false;
// we draw the table (for real now)
if (!simulate) {
// set the alignment
switch(table.getHorizontalAlignment()) {
case Element.ALIGN_LEFT:
break;
case Element.ALIGN_RIGHT:
x1 += rectangularWidth - tableWidth;
break;
default:
x1 += (rectangularWidth - tableWidth) / 2f;
}
// copy the rows that fit on the page in a new table nt
PdfPTable nt = PdfPTable.shallowCopy(table);
List<PdfPRow> sub = nt.getRows();
// first we add the real header rows (if necessary)
if (!skipHeader && realHeaderRows > 0) {
sub.addAll(table.getRows(0, realHeaderRows));
} else
nt.setHeaderRows(footerRows);
// then we add the real content
sub.addAll(table.getRows(listIdx, k));
// if k < table.size(), we must indicate that the new table is complete;
// otherwise no footers will be added (because iText thinks the table continues on the same page)
boolean showFooter = !table.isSkipLastFooter();
boolean newPageFollows = false;
if (k < table.size()) {
nt.setComplete(true);
showFooter = true;
newPageFollows = true;
}
// we add the footer rows if necessary (not for incomplete tables)
for (int j = 0; j < footerRows && nt.isComplete() && showFooter; ++j) sub.add(table.getRow(j + realHeaderRows));
// we need a correction if the last row needs to be extended
float rowHeight = 0;
int index = sub.size() - 1;
if (showFooter)
index -= footerRows;
PdfPRow last = sub.get(index);
if (table.isExtendLastRow(newPageFollows)) {
rowHeight = last.getMaxHeights();
last.setMaxHeights(yTemp - minY + rowHeight);
yTemp = minY;
}
// now we render the rows of the new table
if (canvases != null)
nt.writeSelectedRows(0, -1, x1, yLineWrite, canvases);
else
nt.writeSelectedRows(0, -1, x1, yLineWrite, canvas);
if (table.isExtendLastRow(newPageFollows)) {
last.setMaxHeights(rowHeight);
}
} else if (table.isExtendLastRow() && minY > PdfPRow.BOTTOM_LIMIT)
yTemp = minY;
yLine = yTemp;
if (!(skipHeader || table.isComplete()))
yLine += footerHeight;
if (k >= table.size()) {
yLine -= table.spacingAfter();
compositeElements.removeFirst();
splittedRow = false;
listIdx = 0;
} else {
if (splittedRow) {
List<PdfPRow> rows = table.getRows();
for (int i = listIdx; i < k; ++i) rows.set(i, null);
}
listIdx = k;
return NO_MORE_COLUMN;
}
} else if (element.type() == Element.YMARK) {
if (!simulate) {
DrawInterface zh = (DrawInterface) element;
zh.draw(canvas, leftX, minY, rightX, maxY, yLine);
}
compositeElements.removeFirst();
} else
compositeElements.removeFirst();
}
}
Also used :
Element(com.lowagie.text.Element)
DrawInterface(com.lowagie.text.pdf.draw.DrawInterface)
Phrase(com.lowagie.text.Phrase)
Paragraph(com.lowagie.text.Paragraph)
Stack(java.util.Stack)
DocumentException(com.lowagie.text.DocumentException)
ArrayList(java.util.ArrayList)
List(java.util.List)
LinkedList(java.util.LinkedList)
ListItem(com.lowagie.text.ListItem)
Example 4 with DrawInterface
use of com.lowagie.text.pdf.draw.DrawInterface in project itext2 by albfernandez.
the class ColumnText method goComposite.
protected int goComposite(boolean simulate) throws DocumentException {
if (!rectangularMode)
throw new DocumentException("Irregular columns are not supported in composite mode.");
linesWritten = 0;
descender = 0;
boolean firstPass = adjustFirstLine;
main_loop: while (true) {
if (compositeElements.isEmpty())
return NO_MORE_TEXT;
Element element = (Element) compositeElements.getFirst();
if (element.type() == Element.PARAGRAPH) {
Paragraph para = (Paragraph) element;
int status = 0;
for (int keep = 0; keep < 2; ++keep) {
float lastY = yLine;
boolean createHere = false;
if (compositeColumn == null) {
compositeColumn = new ColumnText(canvas);
compositeColumn.setUseAscender(firstPass ? useAscender : false);
compositeColumn.setAlignment(para.getAlignment());
compositeColumn.setIndent(para.getIndentationLeft() + para.getFirstLineIndent());
compositeColumn.setExtraParagraphSpace(para.getExtraParagraphSpace());
compositeColumn.setFollowingIndent(para.getIndentationLeft());
compositeColumn.setRightIndent(para.getIndentationRight());
compositeColumn.setLeading(para.getLeading(), para.getMultipliedLeading());
compositeColumn.setRunDirection(runDirection);
compositeColumn.setArabicOptions(arabicOptions);
compositeColumn.setSpaceCharRatio(spaceCharRatio);
compositeColumn.addText(para);
if (!firstPass) {
yLine -= para.getSpacingBefore();
}
createHere = true;
}
compositeColumn.leftX = leftX;
compositeColumn.rightX = rightX;
compositeColumn.yLine = yLine;
compositeColumn.rectangularWidth = rectangularWidth;
compositeColumn.rectangularMode = rectangularMode;
compositeColumn.minY = minY;
compositeColumn.maxY = maxY;
boolean keepCandidate = (para.getKeepTogether() && createHere && !firstPass);
status = compositeColumn.go(simulate || (keepCandidate && keep == 0));
updateFilledWidth(compositeColumn.filledWidth);
if ((status & NO_MORE_TEXT) == 0 && keepCandidate) {
compositeColumn = null;
yLine = lastY;
return NO_MORE_COLUMN;
}
if (simulate || !keepCandidate)
break;
if (keep == 0) {
compositeColumn = null;
yLine = lastY;
}
}
firstPass = false;
yLine = compositeColumn.yLine;
linesWritten += compositeColumn.linesWritten;
descender = compositeColumn.descender;
if ((status & NO_MORE_TEXT) != 0) {
compositeColumn = null;
compositeElements.removeFirst();
yLine -= para.getSpacingAfter();
}
if ((status & NO_MORE_COLUMN) != 0) {
return NO_MORE_COLUMN;
}
} else if (element.type() == Element.LIST) {
com.lowagie.text.List list = (com.lowagie.text.List) element;
ArrayList items = list.getItems();
ListItem item = null;
float listIndentation = list.getIndentationLeft();
int count = 0;
Stack stack = new Stack();
for (int k = 0; k < items.size(); ++k) {
Object obj = items.get(k);
if (obj instanceof ListItem) {
if (count == listIdx) {
item = (ListItem) obj;
break;
} else
++count;
} else if (obj instanceof com.lowagie.text.List) {
stack.push(new Object[] { list, Integer.valueOf(k), new Float(listIndentation) });
list = (com.lowagie.text.List) obj;
items = list.getItems();
listIndentation += list.getIndentationLeft();
k = -1;
continue;
}
if (k == items.size() - 1) {
if (!stack.isEmpty()) {
Object[] objs = (Object[]) stack.pop();
list = (com.lowagie.text.List) objs[0];
items = list.getItems();
k = ((Integer) objs[1]).intValue();
listIndentation = ((Float) objs[2]).floatValue();
}
}
}
int status = 0;
for (int keep = 0; keep < 2; ++keep) {
float lastY = yLine;
boolean createHere = false;
if (compositeColumn == null) {
if (item == null) {
listIdx = 0;
compositeElements.removeFirst();
continue main_loop;
}
compositeColumn = new ColumnText(canvas);
compositeColumn.setUseAscender(firstPass ? useAscender : false);
compositeColumn.setAlignment(item.getAlignment());
compositeColumn.setIndent(item.getIndentationLeft() + listIndentation + item.getFirstLineIndent());
compositeColumn.setExtraParagraphSpace(item.getExtraParagraphSpace());
compositeColumn.setFollowingIndent(compositeColumn.getIndent());
compositeColumn.setRightIndent(item.getIndentationRight() + list.getIndentationRight());
compositeColumn.setLeading(item.getLeading(), item.getMultipliedLeading());
compositeColumn.setRunDirection(runDirection);
compositeColumn.setArabicOptions(arabicOptions);
compositeColumn.setSpaceCharRatio(spaceCharRatio);
compositeColumn.addText(item);
if (!firstPass) {
yLine -= item.getSpacingBefore();
}
createHere = true;
}
compositeColumn.leftX = leftX;
compositeColumn.rightX = rightX;
compositeColumn.yLine = yLine;
compositeColumn.rectangularWidth = rectangularWidth;
compositeColumn.rectangularMode = rectangularMode;
compositeColumn.minY = minY;
compositeColumn.maxY = maxY;
boolean keepCandidate = (item.getKeepTogether() && createHere && !firstPass);
status = compositeColumn.go(simulate || (keepCandidate && keep == 0));
updateFilledWidth(compositeColumn.filledWidth);
if ((status & NO_MORE_TEXT) == 0 && keepCandidate) {
compositeColumn = null;
yLine = lastY;
return NO_MORE_COLUMN;
}
if (simulate || !keepCandidate)
break;
if (keep == 0) {
compositeColumn = null;
yLine = lastY;
}
}
firstPass = false;
yLine = compositeColumn.yLine;
linesWritten += compositeColumn.linesWritten;
descender = compositeColumn.descender;
if (!Float.isNaN(compositeColumn.firstLineY) && !compositeColumn.firstLineYDone) {
if (!simulate)
showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(item.getListSymbol()), compositeColumn.leftX + listIndentation, compositeColumn.firstLineY, 0);
compositeColumn.firstLineYDone = true;
}
if ((status & NO_MORE_TEXT) != 0) {
compositeColumn = null;
++listIdx;
yLine -= item.getSpacingAfter();
}
if ((status & NO_MORE_COLUMN) != 0)
return NO_MORE_COLUMN;
} else if (element.type() == Element.PTABLE) {
// don't write anything in the current column if there's no more space available
if (yLine < minY || yLine > maxY)
return NO_MORE_COLUMN;
// get the PdfPTable element
PdfPTable table = (PdfPTable) element;
// we ignore tables without a body
if (table.size() <= table.getHeaderRows()) {
compositeElements.removeFirst();
continue;
}
// offsets
float yTemp = yLine;
if (!firstPass && listIdx == 0)
yTemp -= table.spacingBefore();
float yLineWrite = yTemp;
// don't write anything in the current column if there's no more space available
if (yTemp < minY || yTemp > maxY)
return NO_MORE_COLUMN;
// coordinates
currentLeading = 0;
float x1 = leftX;
float tableWidth;
if (table.isLockedWidth()) {
tableWidth = table.getTotalWidth();
updateFilledWidth(tableWidth);
} else {
tableWidth = rectangularWidth * table.getWidthPercentage() / 100f;
table.setTotalWidth(tableWidth);
}
// how many header rows are real header rows; how many are footer rows?
int headerRows = table.getHeaderRows();
int footerRows = table.getFooterRows();
if (footerRows > headerRows)
footerRows = headerRows;
int realHeaderRows = headerRows - footerRows;
float headerHeight = table.getHeaderHeight();
float footerHeight = table.getFooterHeight();
// make sure the header and footer fit on the page
boolean skipHeader = (!firstPass && table.isSkipFirstHeader() && listIdx <= headerRows);
if (!skipHeader) {
yTemp -= headerHeight;
if (yTemp < minY || yTemp > maxY) {
if (firstPass) {
compositeElements.removeFirst();
continue;
}
return NO_MORE_COLUMN;
}
}
// how many real rows (not header or footer rows) fit on a page?
int k;
if (listIdx < headerRows)
listIdx = headerRows;
if (!table.isComplete())
yTemp -= footerHeight;
for (k = listIdx; k < table.size(); ++k) {
float rowHeight = table.getRowHeight(k);
if (yTemp - rowHeight < minY)
break;
yTemp -= rowHeight;
}
if (!table.isComplete())
yTemp += footerHeight;
// either k is the first row that doesn't fit on the page (break);
if (k < table.size()) {
if (table.isSplitRows() && (!table.isSplitLate() || (k == listIdx && firstPass))) {
if (!splittedRow) {
splittedRow = true;
table = new PdfPTable(table);
compositeElements.set(0, table);
ArrayList rows = table.getRows();
for (int i = headerRows; i < listIdx; ++i) rows.set(i, null);
}
float h = yTemp - minY;
PdfPRow newRow = table.getRow(k).splitRow(table, k, h);
if (newRow == null) {
if (k == listIdx)
return NO_MORE_COLUMN;
} else {
yTemp = minY;
table.getRows().add(++k, newRow);
}
} else if (!table.isSplitRows() && k == listIdx && firstPass) {
compositeElements.removeFirst();
splittedRow = false;
continue;
} else if (k == listIdx && !firstPass && (!table.isSplitRows() || table.isSplitLate()) && (table.getFooterRows() == 0 || table.isComplete()))
return NO_MORE_COLUMN;
}
// or k is the number of rows in the table (for loop was done).
firstPass = false;
// we draw the table (for real now)
if (!simulate) {
// set the alignment
switch(table.getHorizontalAlignment()) {
case Element.ALIGN_LEFT:
break;
case Element.ALIGN_RIGHT:
x1 += rectangularWidth - tableWidth;
break;
default:
x1 += (rectangularWidth - tableWidth) / 2f;
}
// copy the rows that fit on the page in a new table nt
PdfPTable nt = PdfPTable.shallowCopy(table);
ArrayList sub = nt.getRows();
// first we add the real header rows (if necessary)
if (!skipHeader && realHeaderRows > 0) {
sub.addAll(table.getRows(0, realHeaderRows));
} else
nt.setHeaderRows(footerRows);
// then we add the real content
sub.addAll(table.getRows(listIdx, k));
// if k < table.size(), we must indicate that the new table is complete;
// otherwise no footers will be added (because iText thinks the table continues on the same page)
boolean showFooter = !table.isSkipLastFooter();
boolean newPageFollows = false;
if (k < table.size()) {
nt.setComplete(true);
showFooter = true;
newPageFollows = true;
}
// we add the footer rows if necessary (not for incomplete tables)
for (int j = 0; j < footerRows && nt.isComplete() && showFooter; ++j) sub.add(table.getRow(j + realHeaderRows));
// we need a correction if the last row needs to be extended
float rowHeight = 0;
PdfPRow last = (PdfPRow) sub.get(sub.size() - 1 - footerRows);
if (table.isExtendLastRow(newPageFollows)) {
rowHeight = last.getMaxHeights();
last.setMaxHeights(yTemp - minY + rowHeight);
yTemp = minY;
}
// now we render the rows of the new table
if (canvases != null)
nt.writeSelectedRows(0, -1, x1, yLineWrite, canvases);
else
nt.writeSelectedRows(0, -1, x1, yLineWrite, canvas);
if (table.isExtendLastRow(newPageFollows)) {
last.setMaxHeights(rowHeight);
}
} else if (table.isExtendLastRow() && minY > PdfPRow.BOTTOM_LIMIT)
yTemp = minY;
yLine = yTemp;
if (!(skipHeader || table.isComplete()))
yLine += footerHeight;
if (k >= table.size()) {
yLine -= table.spacingAfter();
compositeElements.removeFirst();
splittedRow = false;
listIdx = 0;
} else {
if (splittedRow) {
ArrayList rows = table.getRows();
for (int i = listIdx; i < k; ++i) rows.set(i, null);
}
listIdx = k;
return NO_MORE_COLUMN;
}
} else if (element.type() == Element.YMARK) {
if (!simulate) {
DrawInterface zh = (DrawInterface) element;
zh.draw(canvas, leftX, minY, rightX, maxY, yLine);
}
compositeElements.removeFirst();
} else
compositeElements.removeFirst();
}
}
Also used :
Element(com.lowagie.text.Element)
ArrayList(java.util.ArrayList)
DrawInterface(com.lowagie.text.pdf.draw.DrawInterface)
Phrase(com.lowagie.text.Phrase)
Paragraph(com.lowagie.text.Paragraph)
Stack(java.util.Stack)
DocumentException(com.lowagie.text.DocumentException)
ArrayList(java.util.ArrayList)
LinkedList(java.util.LinkedList)
ListItem(com.lowagie.text.ListItem)
Example 5 with DrawInterface
use of com.lowagie.text.pdf.draw.DrawInterface in project itext2 by albfernandez.
the class PdfDocument method writeLineToContent.
/**
* 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
*/
void writeLineToContent(PdfLine line, PdfContentByte text, PdfContentByte graphics, Object[] currentValues, float ratio) throws DocumentException {
PdfFont currentFont = (PdfFont) (currentValues[0]);
float lastBaseFactor = ((Float) (currentValues[1])).floatValue();
PdfChunk chunk;
int numberOfSpaces;
int lineLen;
boolean isJustified;
float hangingCorrection = 0;
float hScale = 1;
float lastHScale = Float.NaN;
float baseWordSpacing = 0;
float baseCharacterSpacing = 0;
float glueWidth = 0;
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) {
if (line.isNewlineSplit() && line.widthLeft() >= (lastBaseFactor * (ratio * numberOfSpaces + lineLen - 1))) {
if (line.isRTL()) {
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.charAt(s.length() - 1))) >= 0) {
float oldWidth = width;
width += last.font().width(c) * 0.4f;
hangingCorrection = width - oldWidth;
}
}
// if there's a single word on the line and we are using NO_SPACE_CHAR_RATIO,
// we don't want any character spacing
float baseFactor = (numberOfSpaces == 0 && ratio == PdfWriter.NO_SPACE_CHAR_RATIO) ? 0f : width / (ratio * numberOfSpaces + lineLen - 1);
baseWordSpacing = ratio * baseFactor;
baseCharacterSpacing = baseFactor;
lastBaseFactor = baseFactor;
}
}
int lastChunkStroke = line.getLastStrokeChunk();
int chunkStrokeIdx = 0;
float xMarker = text.getXTLM();
float baseXMarker = xMarker;
float yMarker = text.getYTLM();
boolean adjustMatrix = false;
float tabPosition = 0;
// looping over all the chunks in 1 line
for (Iterator j = line.iterator(); j.hasNext(); ) {
chunk = (PdfChunk) j.next();
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.isSeparator()) {
width = glueWidth;
Object[] sep = (Object[]) chunk.getAttribute(Chunk.SEPARATOR);
DrawInterface di = (DrawInterface) sep[0];
Boolean vertical = (Boolean) sep[1];
float fontSize = chunk.font().size();
float ascender = chunk.font().getFont().getFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.font().getFont().getFontDescriptor(BaseFont.DESCENT, fontSize);
if (vertical.booleanValue()) {
di.draw(graphics, baseXMarker, yMarker + descender, baseXMarker + line.getOriginalWidth(), ascender - descender, yMarker);
} else {
di.draw(graphics, xMarker, yMarker + descender, xMarker + width, ascender - descender, yMarker);
}
}
if (chunk.isTab()) {
Object[] tab = (Object[]) chunk.getAttribute(Chunk.TAB);
DrawInterface di = (DrawInterface) tab[0];
tabPosition = ((Float) tab[1]).floatValue() + ((Float) tab[3]).floatValue();
float fontSize = chunk.font().size();
float ascender = chunk.font().getFont().getFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.font().getFont().getFontDescriptor(BaseFont.DESCENT, fontSize);
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)) {
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().getFont().getFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.font().getFont().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.getTextRise(), 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] instanceof String)
remoteGoto(filename, (String) obj[1], xMarker, yMarker, xMarker + width - subtract, yMarker + chunk.font().size());
else
remoteGoto(filename, ((Integer) obj[1]).intValue(), 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)) {
@SuppressWarnings("unused") 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());
PdfPageEvent pev = writer.getPageEvent();
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().getFont().getFontDescriptor(BaseFont.ASCENT, fontSize);
float descender = chunk.font().getFont().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[] params = (float[]) chunk.getAttribute(Chunk.SKEW);
Float hs = (Float) chunk.getAttribute(Chunk.HSCALE);
if (params != null || hs != null) {
float b = 0, c = 0;
if (params != null) {
b = params[0];
c = params[1];
}
if (hs != null)
hScale = hs.floatValue();
text.setTextMatrix(hScale, b, c, 1, xMarker, yMarker);
}
if (chunk.isImage()) {
Image image = chunk.getImage();
float[] matrix = image.matrix();
matrix[Image.CX] = xMarker + chunk.getImageOffsetX() - matrix[Image.CX];
matrix[Image.CY] = yMarker + chunk.getImageOffsetY() - matrix[Image.CY];
graphics.addImage(image, matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
text.moveText(xMarker + lastBaseFactor + image.getScaledWidth() - text.getXTLM(), 0);
}
}
xMarker += width;
++chunkStrokeIdx;
}
if (chunk.font().compareTo(currentFont) != 0) {
currentFont = chunk.font();
text.setFontAndSize(currentFont.getFont(), currentFont.size());
}
float rise = 0;
Object[] textRender = (Object[]) chunk.getAttribute(Chunk.TEXTRENDERMODE);
int tr = 0;
float strokeWidth = 1;
Color strokeColor = null;
Float fr = (Float) chunk.getAttribute(Chunk.SUBSUPSCRIPT);
if (textRender != null) {
tr = ((Integer) textRender[0]).intValue() & 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]).floatValue();
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 = fr.floatValue();
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()) {
PdfTextArray array = new PdfTextArray();
array.add((tabPosition - xMarker) * 1000f / chunk.font.size() / hScale);
text.showText(array);
} else // space adjustment.
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(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 = 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.isNewlineSplit())
lastBaseFactor = 0;
}
if (adjustMatrix)
text.moveText(baseXMarker - text.getXTLM(), 0);
currentValues[0] = currentFont;
currentValues[1] = new Float(lastBaseFactor);
}
Also used :
Rectangle(com.lowagie.text.Rectangle)
Image(com.lowagie.text.Image)
Iterator(java.util.Iterator)
Color(java.awt.Color)
DrawInterface(com.lowagie.text.pdf.draw.DrawInterface)
MarkedObject(com.lowagie.text.MarkedObject)
Aggregations
DrawInterface (com.lowagie.text.pdf.draw.DrawInterface)6
DocumentException (com.lowagie.text.DocumentException)4
Image (com.lowagie.text.Image)4
ListItem (com.lowagie.text.ListItem)4
MarkedObject (com.lowagie.text.MarkedObject)4
Paragraph (com.lowagie.text.Paragraph)4
Phrase (com.lowagie.text.Phrase)4
Rectangle (com.lowagie.text.Rectangle)4
ArrayList (java.util.ArrayList)4
Element (com.lowagie.text.Element)3
Iterator (java.util.Iterator)3
Anchor (com.lowagie.text.Anchor)2
Annotation (com.lowagie.text.Annotation)2
BadElementException (com.lowagie.text.BadElementException)2
Chunk (com.lowagie.text.Chunk)2
List (com.lowagie.text.List)2
MarkedSection (com.lowagie.text.MarkedSection)2
Section (com.lowagie.text.Section)2
SimpleTable (com.lowagie.text.SimpleTable)2
Table (com.lowagie.text.Table)2
