boolean isExtSplitCharacter(int start, int current, int end, char[] cc, PdfChunk[] ck) {
return splitCharacter.isSplitCharacter(start, current, end, cc, ck);
}
/**
* Splits this <CODE>PdfChunk</CODE> if it's too long for the given width.
*
* <p>Returns <VAR>null</VAR> if the <CODE>PdfChunk</CODE> wasn't truncated.
*
* @param width a given width
* @return the <CODE>PdfChunk</CODE> that doesn't fit into the width.
*/
PdfChunk split(float width) {
newlineSplit = false;
/* ssteward: dropped in 1.44
if (image != null) {
if (image.scaledWidth() > width) {
PdfChunk pc = new PdfChunk(Chunk.OBJECT_REPLACEMENT_CHARACTER, this);
value = "";
attributes = new HashMap();
image = null;
font = PdfFont.getDefaultFont();
return pc;
}
else
return null;
}
*/
HyphenationEvent hyphenationEvent = (HyphenationEvent) noStroke.get(Chunk.HYPHENATION);
int currentPosition = 0;
int splitPosition = -1;
float currentWidth = 0;
// loop over all the characters of a string
// or until the totalWidth is reached
int lastSpace = -1;
float lastSpaceWidth = 0;
int length = value.length();
char valueArray[] = value.toCharArray();
char character = 0;
BaseFont ft = font.getFont();
if (ft.getFontType() == BaseFont.FONT_TYPE_CJK && ft.getUnicodeEquivalent(' ') != ' ') {
while (currentPosition < length) {
// the width of every character is added to the currentWidth
char cidChar = valueArray[currentPosition];
character = ft.getUnicodeEquivalent(cidChar);
// if a newLine or carriageReturn is encountered
if (character == '\n') {
newlineSplit = true;
String returnValue = value.substring(currentPosition + 1);
value = value.substring(0, currentPosition);
if (value.length() < 1) {
value = "\u0001";
}
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
currentWidth += font.width(cidChar);
if (character == ' ') {
lastSpace = currentPosition + 1;
lastSpaceWidth = currentWidth;
}
if (currentWidth > width) break;
// if a split-character is encountered, the splitPosition is altered
if (splitCharacter.isSplitCharacter(0, currentPosition, length, valueArray, thisChunk))
splitPosition = currentPosition + 1;
currentPosition++;
}
} else {
while (currentPosition < length) {
// the width of every character is added to the currentWidth
character = valueArray[currentPosition];
// if a newLine or carriageReturn is encountered
if (character == '\r' || character == '\n') {
newlineSplit = true;
int inc = 1;
if (character == '\r'
&& currentPosition + 1 < length
&& valueArray[currentPosition + 1] == '\n') inc = 2;
String returnValue = value.substring(currentPosition + inc);
value = value.substring(0, currentPosition);
if (value.length() < 1) {
value = " ";
}
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
currentWidth += font.width(character);
if (character == ' ') {
lastSpace = currentPosition + 1;
lastSpaceWidth = currentWidth;
}
if (currentWidth > width) break;
// if a split-character is encountered, the splitPosition is altered
if (splitCharacter.isSplitCharacter(0, currentPosition, length, valueArray, null))
splitPosition = currentPosition + 1;
currentPosition++;
}
}
// if all the characters fit in the total width, null is returned (there is no overflow)
if (currentPosition == length) {
return null;
}
// otherwise, the string has to be truncated
if (splitPosition < 0) {
String returnValue = value;
value = "";
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
if (lastSpace > splitPosition && splitCharacter.isSplitCharacter(0, 0, 1, singleSpace, null))
splitPosition = lastSpace;
if (hyphenationEvent != null && lastSpace < currentPosition) {
int wordIdx = getWord(value, lastSpace);
if (wordIdx > lastSpace) {
String pre =
hyphenationEvent.getHyphenatedWordPre(
value.substring(lastSpace, wordIdx),
font.getFont(),
font.size(),
width - lastSpaceWidth);
String post = hyphenationEvent.getHyphenatedWordPost();
if (pre.length() > 0) {
String returnValue = post + value.substring(wordIdx);
value = trim(value.substring(0, lastSpace) + pre);
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
}
}
String returnValue = value.substring(splitPosition);
value = trim(value.substring(0, splitPosition));
PdfChunk pc = new PdfChunk(returnValue, this);
return pc;
}
