/**
* Returns the height of the cell.
*
* @return the height of the cell
* @since 3.0.0
*/
public float getMaxHeight() {
boolean pivoted = getRotation() == 90 || getRotation() == 270;
Image img = getImage();
if (img != null) {
img.scalePercent(100);
float refWidth = pivoted ? img.getScaledHeight() : img.getScaledWidth();
float scale =
(getRight() - getEffectivePaddingRight() - getEffectivePaddingLeft() - getLeft())
/ refWidth;
img.scalePercent(scale * 100);
float refHeight = pivoted ? img.getScaledWidth() : img.getScaledHeight();
setBottom(getTop() - getEffectivePaddingTop() - getEffectivePaddingBottom() - refHeight);
} else {
if ((pivoted && hasFixedHeight()) || getColumn() == null)
setBottom(getTop() - getFixedHeight());
else {
ColumnText ct = ColumnText.duplicate(getColumn());
float right, top, left, bottom;
if (pivoted) {
right = PdfPRow.RIGHT_LIMIT;
top = getRight() - getEffectivePaddingRight();
left = 0;
bottom = getLeft() + getEffectivePaddingLeft();
} else {
right = isNoWrap() ? PdfPRow.RIGHT_LIMIT : getRight() - getEffectivePaddingRight();
top = getTop() - getEffectivePaddingTop();
left = getLeft() + getEffectivePaddingLeft();
bottom =
hasFixedHeight()
? getTop() + getEffectivePaddingBottom() - getFixedHeight()
: PdfPRow.BOTTOM_LIMIT;
}
PdfPRow.setColumn(ct, left, bottom, right, top);
try {
ct.go(true);
} catch (DocumentException e) {
throw new ExceptionConverter(e);
}
if (pivoted)
setBottom(
getTop()
- getEffectivePaddingTop()
- getEffectivePaddingBottom()
- ct.getFilledWidth());
else {
float yLine = ct.getYLine();
if (isUseDescender()) yLine += ct.getDescender();
setBottom(yLine - getEffectivePaddingBottom());
}
}
}
float height = getHeight();
if (height == getEffectivePaddingTop() + getEffectivePaddingBottom()) height = 0;
if (hasFixedHeight()) height = getFixedHeight();
else if (hasMinimumHeight() && height < getMinimumHeight()) height = getMinimumHeight();
return height;
}
/**
* Write out the columns. After writing, use {@link #isOverflow()} to see if all text was written.
*
* @param canvas PdfContentByte to write with
* @param document document to write to (only used to get page limit info)
* @param documentY starting y position to begin writing at
* @return the current height (y position) after writing the columns
* @throws DocumentException on error
*/
public float write(PdfContentByte canvas, PdfDocument document, float documentY)
throws DocumentException {
this.document = document;
columnText.setCanvas(canvas);
if (columnDefs.isEmpty()) {
throw new DocumentException("MultiColumnText has no columns");
}
overflow = false;
float currentHeight = 0;
boolean done = false;
try {
while (!done) {
if (top == AUTOMATIC) {
top =
document.getVerticalPosition(
true); // RS - 07/07/2005 - Get current doc writing position for top of columns on
// new page.
} else if (nextY == AUTOMATIC) {
nextY =
document.getVerticalPosition(
true); // RS - 07/07/2005 - - Get current doc writing position for top of columns
// on new page.
}
ColumnDef currentDef = (ColumnDef) columnDefs.get(getCurrentColumn());
columnText.setYLine(top);
float[] left = currentDef.resolvePositions(Rectangle.LEFT);
float[] right = currentDef.resolvePositions(Rectangle.RIGHT);
if (document.isMarginMirroring() && document.getPageNumber() % 2 == 0) {
float delta = document.rightMargin() - document.left();
left = (float[]) left.clone();
right = (float[]) right.clone();
for (int i = 0; i < left.length; i += 2) {
left[i] -= delta;
}
for (int i = 0; i < right.length; i += 2) {
right[i] -= delta;
}
}
currentHeight = Math.max(currentHeight, getHeight(left, right));
if (currentDef.isSimple()) {
columnText.setSimpleColumn(left[2], left[3], right[0], right[1]);
} else {
columnText.setColumns(left, right);
}
int result = columnText.go();
if ((result & ColumnText.NO_MORE_TEXT) != 0) {
done = true;
top = columnText.getYLine();
} else if (shiftCurrentColumn()) {
top = nextY;
} else { // check if we are done because of height
totalHeight += currentHeight;
if ((desiredHeight != AUTOMATIC) && (totalHeight >= desiredHeight)) {
overflow = true;
break;
} else { // need to start new page and reset the columns
documentY = nextY;
newPage();
currentHeight = 0;
}
}
}
} catch (DocumentException ex) {
ex.printStackTrace();
throw ex;
}
if (desiredHeight == AUTOMATIC && columnDefs.size() == 1) {
currentHeight = documentY - columnText.getYLine();
}
return currentHeight;
}
