public override LayoutResult Layout(LayoutContext layoutContext)
{
// Resolve width here in case it's relative, while parent width is still intact.
// If it's inline-block context, relative width is already resolved.
float?width = RetrieveWidth(layoutContext.GetArea().GetBBox().GetWidth());
if (width != null)
{
UpdateWidth(UnitValue.CreatePointValue((float)width));
}
float childrenMaxWidth = GetMinMaxWidth().GetMaxWidth();
LayoutArea area = layoutContext.GetArea().Clone();
area.GetBBox().MoveDown(INF - area.GetBBox().GetHeight()).SetHeight(INF).SetWidth(childrenMaxWidth + EPS);
LayoutResult layoutResult = base.Layout(new LayoutContext(area, layoutContext.GetMarginsCollapseInfo(), layoutContext
.GetFloatRendererAreas(), layoutContext.IsClippedHeight()));
if (layoutResult.GetStatus() != LayoutResult.FULL)
{
if (true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)))
{
layoutResult = MakeLayoutResultFull(layoutContext.GetArea(), layoutResult);
}
else
{
return(new LayoutResult(LayoutResult.NOTHING, null, null, this, this));
}
}
float availableHeight = layoutContext.GetArea().GetBBox().GetHeight();
bool isClippedHeight = layoutContext.IsClippedHeight();
Rectangle dummy = new Rectangle(0, 0);
ApplyMargins(dummy, true);
ApplyBorderBox(dummy, true);
ApplyPaddings(dummy, true);
float additionalHeight = dummy.GetHeight();
availableHeight -= additionalHeight;
availableHeight = Math.Max(availableHeight, 0);
float actualHeight = GetOccupiedArea().GetBBox().GetHeight() - additionalHeight;
float finalSelectFieldHeight = GetFinalSelectFieldHeight(availableHeight, actualHeight, isClippedHeight);
if (finalSelectFieldHeight < 0)
{
return(new LayoutResult(LayoutResult.NOTHING, null, null, this, this));
}
float delta = finalSelectFieldHeight - actualHeight;
if (Math.Abs(delta) > EPS)
{
GetOccupiedArea().GetBBox().IncreaseHeight(delta).MoveDown(delta);
}
return(layoutResult);
}
/* (non-Javadoc)
* @see com.itextpdf.layout.renderer.BlockRenderer#layout(com.itextpdf.layout.layout.LayoutContext)
*/
public override LayoutResult Layout(LayoutContext layoutContext)
{
childRenderers.Clear();
flatRenderer = null;
float parentWidth = layoutContext.GetArea().GetBBox().GetWidth();
float parentHeight = layoutContext.GetArea().GetBBox().GetHeight();
IRenderer renderer = CreateFlatRenderer();
renderer.SetProperty(Property.OVERFLOW_X, OverflowPropertyValue.VISIBLE);
renderer.SetProperty(Property.OVERFLOW_Y, OverflowPropertyValue.VISIBLE);
AddChild(renderer);
Rectangle bBox = layoutContext.GetArea().GetBBox().Clone().MoveDown(INF - parentHeight).SetHeight(INF);
layoutContext.GetArea().SetBBox(bBox);
LayoutResult result = base.Layout(layoutContext);
if (!childRenderers.IsEmpty())
{
flatRenderer = childRenderers[0];
ProcessLangAttribute();
childRenderers.Clear();
childRenderers.Add(flatRenderer);
AdjustFieldLayout(layoutContext);
if (IsLayoutBasedOnFlatRenderer())
{
Rectangle fBox = flatRenderer.GetOccupiedArea().GetBBox();
occupiedArea.GetBBox().SetX(fBox.GetX()).SetY(fBox.GetY()).SetWidth(fBox.GetWidth()).SetHeight(fBox.GetHeight
());
ApplyPaddings(occupiedArea.GetBBox(), true);
ApplyBorderBox(occupiedArea.GetBBox(), true);
ApplyMargins(occupiedArea.GetBBox(), true);
}
}
else
{
LogManager.GetLogger(GetType()).Error(iText.Html2pdf.LogMessageConstant.ERROR_WHILE_LAYOUT_OF_FORM_FIELD);
occupiedArea.GetBBox().SetWidth(0).SetHeight(0);
}
if (!true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)) && !IsRendererFit(parentWidth, parentHeight
))
{
occupiedArea.GetBBox().SetWidth(0).SetHeight(0);
return(new MinMaxWidthLayoutResult(LayoutResult.NOTHING, occupiedArea, null, this, this).SetMinMaxWidth(new
MinMaxWidth()));
}
if (result.GetStatus() != LayoutResult.FULL || !IsRendererFit(parentWidth, parentHeight))
{
LogManager.GetLogger(GetType()).Warn(iText.Html2pdf.LogMessageConstant.INPUT_FIELD_DOES_NOT_FIT);
}
return(new MinMaxWidthLayoutResult(LayoutResult.FULL, occupiedArea, this, null).SetMinMaxWidth(new MinMaxWidth
(occupiedArea.GetBBox().GetWidth(), occupiedArea.GetBBox().GetWidth(), 0)));
}
public override LayoutResult Layout(LayoutContext layoutContext)
{
LayoutResult result = base.Layout(layoutContext);
this.entry.Value = layoutContext.GetArea().GetPageNumber();
return(result);
}
/* (non-Javadoc)
* @see com.itextpdf.html2pdf.attach.impl.layout.form.renderer.AbstractFormFieldRenderer#adjustFieldLayout()
*/
protected internal override void AdjustFieldLayout(LayoutContext layoutContext)
{
IList <LineRenderer> flatLines = ((ParagraphRenderer)flatRenderer).GetLines();
Rectangle flatBBox = flatRenderer.GetOccupiedArea().GetBBox();
UpdatePdfFont((ParagraphRenderer)flatRenderer);
if (!flatLines.IsEmpty() && font != null)
{
if (flatLines.Count != 1)
{
isSplit = true;
}
CropContentLines(flatLines, flatBBox);
float?width = RetrieveWidth(layoutContext.GetArea().GetBBox().GetWidth());
if (width == null)
{
LineRenderer drawnLine = flatLines[0];
drawnLine.Move(flatBBox.GetX() - drawnLine.GetOccupiedArea().GetBBox().GetX(), 0);
flatBBox.SetWidth(drawnLine.GetOccupiedArea().GetBBox().GetWidth());
}
}
else
{
LogManager.GetLogger(GetType()).Error(MessageFormatUtil.Format(iText.Html2pdf.LogMessageConstant.ERROR_WHILE_LAYOUT_OF_FORM_FIELD_WITH_TYPE
, "button"));
SetProperty(Html2PdfProperty.FORM_FIELD_FLATTEN, true);
baseline = flatBBox.GetTop();
flatBBox.SetY(flatBBox.GetTop()).SetHeight(0);
}
}
/**
* Method adapts content, that can't be fit into the cell,
* to prevent truncation by replacing truncated part of content with '...'
*/
public override LayoutResult Layout(LayoutContext layoutContext)
{
PdfFont bf = GetPropertyAsFont(Property.FONT);
int contentLength = content.Length;
int leftCharIndex = 0;
int rightCharIndex = contentLength - 1;
Rectangle rect = layoutContext.GetArea().GetBBox().Clone();
// Cell's margins, borders and paddings should be extracted from the available width as well.
// Note that this part of the sample was introduced specifically for iText7.
// since in iText5 the approach of processing cells was different
ApplyBordersPaddingsMargins(rect, GetBorders(), GetPaddings());
float availableWidth = rect.GetWidth();
UnitValue fontSizeUV = this.GetPropertyAsUnitValue(Property.FONT_SIZE);
// Unit values can be of POINT or PERCENT type. In this particular sample
// the font size value is expected to be of POINT type.
float fontSize = fontSizeUV.GetValue();
availableWidth -= bf.GetWidth("...", fontSize);
while (leftCharIndex < contentLength && rightCharIndex != leftCharIndex)
{
availableWidth -= bf.GetWidth(content[leftCharIndex], fontSize);
if (availableWidth > 0)
{
leftCharIndex++;
}
else
{
break;
}
availableWidth -= bf.GetWidth(content[rightCharIndex], fontSize);
if (availableWidth > 0)
{
rightCharIndex--;
}
else
{
break;
}
}
// left char is the first char which should not be added
// right char is the last char which should not be added
String newContent = content.Substring(0, leftCharIndex) + "..." + content.Substring(rightCharIndex + 1);
Paragraph p = new Paragraph(newContent);
// We're operating on a Renderer level here, that's why we need to process a renderer,
// created with the updated paragraph
IRenderer pr = p.CreateRendererSubTree().SetParent(this);
childRenderers.Add(pr);
return(base.Layout(layoutContext));
}
/* (non-Javadoc)
* @see com.itextpdf.layout.renderer.TextRenderer#layout(com.itextpdf.layout.layout.LayoutContext)
*/
public override LayoutResult Layout(LayoutContext layoutContext)
{
PageCountType pageCountType = (PageCountType)this.GetProperty <PageCountType?>(Html2PdfProperty.PAGE_COUNT_TYPE
);
if (pageCountType == PageCountType.CURRENT_PAGE_NUMBER)
{
SetText(layoutContext.GetArea().GetPageNumber().ToString());
}
else
{
if (pageCountType == PageCountType.TOTAL_PAGE_COUNT)
{
IRenderer rootRenderer = this;
while (rootRenderer is AbstractRenderer && ((AbstractRenderer)rootRenderer).GetParent() != null)
{
rootRenderer = ((AbstractRenderer)rootRenderer).GetParent();
}
if (rootRenderer is HtmlDocumentRenderer && ((HtmlDocumentRenderer)rootRenderer).GetEstimatedNumberOfPages
() > 0)
{
SetText(((HtmlDocumentRenderer)rootRenderer).GetEstimatedNumberOfPages().ToString());
}
else
{
if (rootRenderer is DocumentRenderer && rootRenderer.GetModelElement() is Document)
{
SetText(((Document)rootRenderer.GetModelElement()).GetPdfDocument().GetNumberOfPages().ToString());
}
}
}
}
return(base.Layout(layoutContext));
}
public virtual LayoutResult Layout(LayoutContext layoutContext)
{
LayoutArea occupiedArea = layoutContext.GetArea().Clone();
occupiedArea.GetBBox().SetHeight(0);
occupiedArea.GetBBox().SetWidth(0);
return(new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, null).SetAreaBreak(areaBreak));
}
public override LayoutResult Layout(LayoutContext layoutContext)
{
LayoutArea area = layoutContext.GetArea();
float? width = RetrieveWidth(area.GetBBox().GetWidth());
float? height = this.GetPropertyAsFloat(Property.HEIGHT);
occupiedArea = new LayoutArea(area.GetPageNumber(), new Rectangle(area.GetBBox().GetX(), area.GetBBox().GetY
() + area.GetBBox().GetHeight(), (float)width, (float)height));
return(new LayoutResult(LayoutResult.FULL, occupiedArea, null, null));
}
public override LayoutResult Layout(LayoutContext layoutContext)
{
Rectangle area = layoutContext.GetArea().GetBBox();
LayoutContext context = new LayoutContext(new LayoutArea(layoutContext.GetArea().GetPageNumber(),
new Rectangle(area.GetLeft(), area.GetTop() - (float)RetrieveHeight(), area.GetWidth(),
(float)RetrieveHeight())));
LayoutResult result = base.Layout(context);
// If content doesn't fit the size of a cell,
// iTest will still return layout result full as if everything is OK.
// As a result, the cell's content will be clipped.
if (LayoutResult.FULL != result.GetStatus())
{
return(new LayoutResult(LayoutResult.FULL, result.GetOccupiedArea(), null, null));
}
return(result);
}
/// <summary><inheritDoc/></summary>
public override LayoutResult Layout(LayoutContext layoutContext)
{
Rectangle parentBBox = layoutContext.GetArea().GetBBox().Clone();
if (this.GetProperty <float?>(Property.ROTATION_ANGLE) != null)
{
parentBBox.MoveDown(AbstractRenderer.INF - parentBBox.GetHeight()).SetHeight(AbstractRenderer.INF);
}
ILineDrawer lineDrawer = this.GetProperty <ILineDrawer>(Property.LINE_DRAWER);
float height = lineDrawer != null?lineDrawer.GetLineWidth() : 0;
occupiedArea = new LayoutArea(layoutContext.GetArea().GetPageNumber(), parentBBox.Clone());
ApplyMargins(occupiedArea.GetBBox(), false);
float?calculatedWidth = RetrieveWidth(layoutContext.GetArea().GetBBox().GetWidth());
if (calculatedWidth == null)
{
calculatedWidth = occupiedArea.GetBBox().GetWidth();
}
if ((occupiedArea.GetBBox().GetHeight() < height || occupiedArea.GetBBox().GetWidth() < calculatedWidth) &&
!HasOwnProperty(Property.FORCED_PLACEMENT))
{
return(new LayoutResult(LayoutResult.NOTHING, null, null, this, this));
}
occupiedArea.GetBBox().SetWidth((float)calculatedWidth).MoveUp(occupiedArea.GetBBox().GetHeight() - height
).SetHeight(height);
ApplyMargins(occupiedArea.GetBBox(), true);
if (this.GetProperty <float?>(Property.ROTATION_ANGLE) != null)
{
ApplyRotationLayout(layoutContext.GetArea().GetBBox().Clone());
if (IsNotFittingLayoutArea(layoutContext.GetArea()))
{
if (!true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)))
{
return(new LayoutResult(LayoutResult.NOTHING, null, null, this, this));
}
}
}
return(new LayoutResult(LayoutResult.FULL, occupiedArea, this, null));
}
/* (non-Javadoc)
* @see com.itextpdf.layout.renderer.TextRenderer#layout(com.itextpdf.layout.layout.LayoutContext)
*/
public override LayoutResult Layout(LayoutContext layoutContext)
{
PageCountType pageCountType = (PageCountType)this.GetProperty <PageCountType?>(Html2PdfProperty.PAGE_COUNT_TYPE
);
String previousText = GetText().ToString();
// If typography is enabled and the page counter element has a non-default direction,
// iText processes its content (see LineRenderer#updateBidiLevels) before layouting it.
// This might result in an ArrayIndexOutOfBounds exception, because currently iText updates the page counter's content on layout.
// To solve this, this workaround has been implemented: the renderer's strToBeConverted shouldn't be updated by layout.
bool textHasBeenReplaced = false;
if (pageCountType == PageCountType.CURRENT_PAGE_NUMBER)
{
SetText(layoutContext.GetArea().GetPageNumber().ToString());
textHasBeenReplaced = true;
}
else
{
if (pageCountType == PageCountType.TOTAL_PAGE_COUNT)
{
IRenderer rootRenderer = this;
while (rootRenderer is AbstractRenderer && ((AbstractRenderer)rootRenderer).GetParent() != null)
{
rootRenderer = ((AbstractRenderer)rootRenderer).GetParent();
}
if (rootRenderer is HtmlDocumentRenderer && ((HtmlDocumentRenderer)rootRenderer).GetEstimatedNumberOfPages
() > 0)
{
SetText(((HtmlDocumentRenderer)rootRenderer).GetEstimatedNumberOfPages().ToString());
textHasBeenReplaced = true;
}
else
{
if (rootRenderer is DocumentRenderer && rootRenderer.GetModelElement() is Document)
{
SetText(((Document)rootRenderer.GetModelElement()).GetPdfDocument().GetNumberOfPages().ToString());
textHasBeenReplaced = true;
}
}
}
}
LayoutResult result = base.Layout(layoutContext);
if (textHasBeenReplaced)
{
SetText(previousText);
}
return(result);
}
public override LayoutResult Layout(LayoutContext layoutContext)
{
ILineDrawer lineDrawer = this.GetProperty <ILineDrawer>(Property.LINE_DRAWER);
float height = lineDrawer != null?lineDrawer.GetLineWidth() : 0;
occupiedArea = layoutContext.GetArea().Clone();
ApplyMargins(occupiedArea.GetBBox(), false);
if (occupiedArea.GetBBox().GetHeight() < height)
{
return(new LayoutResult(LayoutResult.NOTHING, null, null, this));
}
occupiedArea.GetBBox().MoveUp(occupiedArea.GetBBox().GetHeight() - height).SetHeight(height);
ApplyMargins(occupiedArea.GetBBox(), true);
return(new LayoutResult(LayoutResult.FULL, occupiedArea, this, null));
}
/* (non-Javadoc)
* @see com.itextpdf.html2pdf.attach.impl.layout.form.renderer.AbstractFormFieldRenderer#adjustFieldLayout()
*/
protected internal override void AdjustFieldLayout(LayoutContext layoutContext)
{
IList <LineRenderer> flatLines = ((ParagraphRenderer)flatRenderer).GetLines();
Rectangle flatBBox = flatRenderer.GetOccupiedArea().GetBBox();
UpdatePdfFont((ParagraphRenderer)flatRenderer);
if (!flatLines.IsEmpty() && font != null)
{
CropContentLines(flatLines, flatBBox);
}
else
{
LogManager.GetLogger(GetType()).Error(MessageFormatUtil.Format(iText.Html2pdf.LogMessageConstant.ERROR_WHILE_LAYOUT_OF_FORM_FIELD_WITH_TYPE
, "text input"));
SetProperty(Html2PdfProperty.FORM_FIELD_FLATTEN, true);
flatBBox.SetY(flatBBox.GetTop()).SetHeight(0);
}
flatBBox.SetWidth((float)RetrieveWidth(layoutContext.GetArea().GetBBox().GetWidth()));
}
public override LayoutResult Layout(LayoutContext layoutContext)
{
LayoutArea area = layoutContext.GetArea().Clone();
Rectangle layoutBox = area.GetBBox();
ApplyMargins(layoutBox, false);
occupiedArea = new LayoutArea(area.GetPageNumber(), new Rectangle(layoutBox.GetX(), layoutBox.GetY() + layoutBox
.GetHeight(), 0, 0));
width = RetrieveWidth(layoutBox.GetWidth());
float? angle = this.GetPropertyAsFloat(Property.ROTATION_ANGLE);
PdfXObject xObject = ((Image)(GetModelElement())).GetXObject();
imageWidth = xObject.GetWidth();
imageHeight = xObject.GetHeight();
width = width == null ? imageWidth : width;
height = (float)width / imageWidth * imageHeight;
fixedXPosition = this.GetPropertyAsFloat(Property.X);
fixedYPosition = this.GetPropertyAsFloat(Property.Y);
float? horizontalScaling = this.GetPropertyAsFloat(Property.HORIZONTAL_SCALING, 1f);
float? verticalScaling = this.GetPropertyAsFloat(Property.VERTICAL_SCALING, 1f);
AffineTransform t = new AffineTransform();
if (xObject is PdfFormXObject && width != imageWidth)
{
horizontalScaling *= width / imageWidth;
verticalScaling *= height / imageHeight;
}
if (horizontalScaling != 1)
{
if (xObject is PdfFormXObject)
{
t.Scale((float)horizontalScaling, 1);
}
width *= (float)horizontalScaling;
}
if (verticalScaling != 1)
{
if (xObject is PdfFormXObject)
{
t.Scale(1, (float)verticalScaling);
}
height *= (float)verticalScaling;
}
float imageItselfScaledWidth = (float)width;
float imageItselfScaledHeight = (float)height;
// See in adjustPositionAfterRotation why angle = 0 is necessary
if (null == angle)
{
angle = 0f;
}
t.Rotate((float)angle);
float scaleCoef = AdjustPositionAfterRotation((float)angle, layoutBox.GetWidth(), layoutBox.GetHeight());
imageItselfScaledHeight *= scaleCoef;
imageItselfScaledWidth *= scaleCoef;
if (xObject is PdfFormXObject)
{
t.Scale(scaleCoef, scaleCoef);
}
GetMatrix(t, imageItselfScaledWidth, imageItselfScaledHeight);
// indicates whether the placement is forced
bool isPlacingForced = false;
if (width > layoutBox.GetWidth() || height > layoutBox.GetHeight())
{
if (true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)))
{
isPlacingForced = true;
}
else
{
return(new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, this, this));
}
}
occupiedArea.GetBBox().MoveDown(height);
occupiedArea.GetBBox().SetHeight(height);
occupiedArea.GetBBox().SetWidth((float)width);
float leftMargin = (float)this.GetPropertyAsFloat(Property.MARGIN_LEFT);
float topMargin = (float)this.GetPropertyAsFloat(Property.MARGIN_TOP);
if (leftMargin != 0 || topMargin != 0)
{
TranslateImage(leftMargin, topMargin, t);
GetMatrix(t, imageItselfScaledWidth, imageItselfScaledHeight);
}
ApplyMargins(occupiedArea.GetBBox(), true);
return(new LayoutResult(LayoutResult.FULL, occupiedArea, null, null, isPlacingForced ? this : null));
}
public override LayoutResult Layout(LayoutContext layoutContext)
{
Rectangle layoutBox = layoutContext.GetArea().GetBBox().Clone();
occupiedArea = new LayoutArea(layoutContext.GetArea().GetPageNumber(), layoutBox.
Clone().MoveDown(-layoutBox.GetHeight()).SetHeight(0));
float curWidth = 0;
maxAscent = 0;
maxDescent = 0;
int childPos = 0;
BaseDirection?baseDirection = this.GetProperty <BaseDirection?>(Property.BASE_DIRECTION, BaseDirection.NO_BIDI);
foreach (IRenderer renderer in childRenderers)
{
if (renderer is TextRenderer)
{
renderer.SetParent(this);
((TextRenderer)renderer).ApplyOtf();
renderer.SetParent(null);
if (baseDirection == null || baseDirection == BaseDirection.NO_BIDI)
{
baseDirection = renderer.GetOwnProperty <BaseDirection?>(Property.BASE_DIRECTION);
}
}
}
IList <int> unicodeIdsReorderingList = null;
if (levels == null && baseDirection != null && baseDirection != BaseDirection.NO_BIDI)
{
unicodeIdsReorderingList = new List <int>();
bool newLineFound = false;
foreach (IRenderer child in childRenderers)
{
if (newLineFound)
{
break;
}
if (child is TextRenderer)
{
GlyphLine text = ((TextRenderer)child).GetText();
for (int i = text.start; i < text.end; i++)
{
if (TextRenderer.IsNewLine(text, i))
{
newLineFound = true;
break;
}
// we assume all the chars will have the same bidi group
// we also assume pairing symbols won't get merged with other ones
unicodeIdsReorderingList.Add(text.Get(i).GetUnicode());
}
}
}
levels = unicodeIdsReorderingList.Count > 0 ? TypographyUtils.GetBidiLevels((BaseDirection)baseDirection, ArrayUtil.ToArray(unicodeIdsReorderingList)) : null;
}
bool anythingPlaced = false;
TabStop nextTabStop = null;
LineLayoutResult result = null;
while (childPos < childRenderers.Count)
{
IRenderer childRenderer = childRenderers[childPos];
LayoutResult childResult;
Rectangle bbox = new Rectangle(layoutBox.GetX() + curWidth, layoutBox.GetY(), layoutBox
.GetWidth() - curWidth, layoutBox.GetHeight());
if (childRenderer is TextRenderer)
{
// Delete these properties in case of relayout. We might have applied them during justify().
childRenderer.DeleteOwnProperty(Property.CHARACTER_SPACING);
childRenderer.DeleteOwnProperty(Property.WORD_SPACING);
}
else
{
if (childRenderer is TabRenderer)
{
if (nextTabStop != null)
{
IRenderer tabRenderer = childRenderers[childPos - 1];
tabRenderer.Layout(new LayoutContext(new LayoutArea(layoutContext.GetArea().GetPageNumber
(), bbox)));
curWidth += tabRenderer.GetOccupiedArea().GetBBox().GetWidth();
}
nextTabStop = CalculateTab(childRenderer, curWidth, layoutBox.GetWidth());
if (childPos == childRenderers.Count - 1)
{
nextTabStop = null;
}
if (nextTabStop != null)
{
++childPos;
continue;
}
}
}
if (!anythingPlaced && childRenderer is TextRenderer)
{
((TextRenderer)childRenderer).TrimFirst();
}
if (nextTabStop != null && nextTabStop.GetTabAlignment() == TabAlignment.ANCHOR &&
childRenderer is TextRenderer)
{
childRenderer.SetProperty(Property.TAB_ANCHOR, nextTabStop
.GetTabAnchor());
}
childResult = childRenderer.SetParent(this).Layout(new LayoutContext(new LayoutArea
(layoutContext.GetArea().GetPageNumber(), bbox)));
float childAscent = 0;
float childDescent = 0;
if (childRenderer is TextRenderer)
{
childAscent = ((TextRenderer)childRenderer).GetAscent();
childDescent = ((TextRenderer)childRenderer).GetDescent();
}
else
{
if (childRenderer is ImageRenderer)
{
childAscent = childRenderer.GetOccupiedArea().GetBBox().GetHeight();
}
}
maxAscent = Math.Max(maxAscent, childAscent);
maxDescent = Math.Min(maxDescent, childDescent);
float maxHeight = maxAscent - maxDescent;
if (nextTabStop != null)
{
IRenderer tabRenderer = childRenderers[childPos - 1];
float tabWidth = CalculateTab(layoutBox, curWidth, nextTabStop, childRenderer, childResult
, tabRenderer);
tabRenderer.Layout(new LayoutContext(new LayoutArea(layoutContext.GetArea().GetPageNumber
(), bbox)));
childResult.GetOccupiedArea().GetBBox().MoveRight(tabWidth);
if (childResult.GetSplitRenderer() != null)
{
childResult.GetSplitRenderer().GetOccupiedArea().GetBBox().MoveRight(tabWidth);
}
float tabAndNextElemWidth = tabWidth + childResult.GetOccupiedArea().GetBBox().GetWidth();
if (nextTabStop.GetTabAlignment() == TabAlignment.RIGHT && curWidth + tabAndNextElemWidth < nextTabStop.GetTabPosition())
{
curWidth = nextTabStop.GetTabPosition();
}
else
{
curWidth += tabAndNextElemWidth;
}
nextTabStop = null;
}
else
{
curWidth += childResult.GetOccupiedArea().GetBBox().GetWidth();
}
occupiedArea.SetBBox(new Rectangle(layoutBox.GetX(), layoutBox.GetY() + layoutBox
.GetHeight() - maxHeight, curWidth, maxHeight));
if (childResult.GetStatus() != LayoutResult.FULL)
{
LineRenderer[] split = Split();
split[0].childRenderers = new List <IRenderer>(childRenderers.SubList(0, childPos)
);
bool wordWasSplitAndItWillFitOntoNextLine = false;
if (childResult is TextLayoutResult && ((TextLayoutResult)childResult).IsWordHasBeenSplit
())
{
LayoutResult newLayoutResult = childRenderer.Layout(layoutContext);
if (newLayoutResult is TextLayoutResult && !((TextLayoutResult)newLayoutResult).IsWordHasBeenSplit
())
{
wordWasSplitAndItWillFitOntoNextLine = true;
}
}
if (wordWasSplitAndItWillFitOntoNextLine)
{
split[1].childRenderers.Add(childRenderer);
split[1].childRenderers.AddAll(childRenderers.SubList(childPos + 1, childRenderers
.Count));
}
else
{
if (childResult.GetStatus() == LayoutResult.PARTIAL)
{
split[0].AddChild(childResult.GetSplitRenderer());
anythingPlaced = true;
}
if (childResult.GetStatus() == LayoutResult.PARTIAL && childResult.GetOverflowRenderer
() is ImageRenderer)
{
((ImageRenderer)childResult.GetOverflowRenderer()).AutoScale(layoutContext.GetArea
());
}
if (null != childResult.GetOverflowRenderer())
{
split[1].childRenderers.Add(childResult.GetOverflowRenderer());
}
split[1].childRenderers.AddAll(childRenderers.SubList(childPos + 1, childRenderers
.Count));
// no sense to process empty renderer
if (split[1].childRenderers.Count == 0)
{
split[1] = null;
}
}
result = new LineLayoutResult(anythingPlaced ? LayoutResult.PARTIAL : LayoutResult.NOTHING, occupiedArea, split[0], split[1],
childResult.GetStatus() == LayoutResult.NOTHING ? childResult.GetCauseOfNothing() : this);
if (childResult.GetStatus() == LayoutResult.PARTIAL && childResult is TextLayoutResult && ((TextLayoutResult)childResult).IsSplitForcedByNewline())
{
result.SetSplitForcedByNewline(true);
}
break;
}
else
{
anythingPlaced = true;
childPos++;
}
}
if (result == null)
{
if (anythingPlaced)
{
result = new LineLayoutResult(LayoutResult.FULL, occupiedArea, null, null);
}
else
{
result = new LineLayoutResult(LayoutResult.NOTHING, occupiedArea, null, this, this);
}
}
// Consider for now that all the children have the same font, and that after reordering text pieces
// can be reordered, but cannot be split.
if (baseDirection != null && baseDirection != BaseDirection.NO_BIDI)
{
IList <IRenderer> children = null;
if (result.GetStatus() == LayoutResult.PARTIAL)
{
children = result.GetSplitRenderer().GetChildRenderers();
}
else
{
if (result.GetStatus() == LayoutResult.FULL)
{
children = GetChildRenderers();
}
}
if (children != null)
{
IList <LineRenderer.RendererGlyph> lineGlyphs = new List <LineRenderer.RendererGlyph
>();
foreach (IRenderer child in children)
{
if (child is TextRenderer)
{
GlyphLine childLine = ((TextRenderer)child).line;
for (int i = childLine.start; i < childLine.end; i++)
{
lineGlyphs.Add(new LineRenderer.RendererGlyph(childLine.Get(i), (TextRenderer)child
));
}
}
}
byte[] lineLevels = new byte[lineGlyphs.Count];
if (levels != null)
{
System.Array.Copy(levels, 0, lineLevels, 0, lineGlyphs.Count);
}
int[] reorder = TypographyUtils.ReorderLine(lineGlyphs, lineLevels, levels);
if (reorder != null)
{
children.Clear();
int pos = 0;
IList <int[]> reversedRanges = new List <int[]>();
int initialPos = 0;
bool reversed = false;
int offset = 0;
while (pos < lineGlyphs.Count)
{
IRenderer renderer_1 = lineGlyphs[pos].renderer;
TextRenderer newRenderer = new TextRenderer((TextRenderer)renderer_1);
newRenderer.DeleteOwnProperty(Property.REVERSED);
children.Add(newRenderer);
((TextRenderer)children[children.Count - 1]).line = new GlyphLine(((TextRenderer)
children[children.Count - 1]).line);
GlyphLine gl = ((TextRenderer)children[children.Count - 1]).line;
IList <Glyph> replacementGlyphs = new List <Glyph>();
while (pos < lineGlyphs.Count && lineGlyphs[pos].renderer == renderer_1)
{
if (pos < lineGlyphs.Count - 1)
{
if (reorder[pos] == reorder[pos + 1] + 1)
{
reversed = true;
}
else
{
if (reversed)
{
IList <int[]> reversedRange = new List <int[]>();
reversedRange.Add(new int[] { initialPos - offset, pos - offset });
newRenderer.SetProperty(Property.REVERSED, reversedRange);
reversedRanges.Add(new int[] { initialPos - offset, pos - offset });
reversed = false;
}
initialPos = pos + 1;
}
}
replacementGlyphs.Add(lineGlyphs[pos].glyph);
pos++;
}
if (reversed)
{
IList <int[]> reversedRange = new List <int[]>();
reversedRange.Add(new int[] { initialPos - offset, pos - 1 - offset });
newRenderer.SetProperty(Property.REVERSED, reversedRange
);
reversedRanges.Add(new int[] { initialPos - offset, pos - 1 - offset });
reversed = false;
initialPos = pos;
}
offset = initialPos;
gl.SetGlyphs(replacementGlyphs);
}
if (reversed)
{
if (children.Count == 1)
{
offset = 0;
}
IList <int[]> reversedRange = new List <int[]>();
reversedRange.Add(new int[] { initialPos - offset, pos - offset - 1 });
lineGlyphs[pos - 1].renderer.SetProperty(Property.REVERSED
, reversedRange);
reversedRanges.Add(new int[] { initialPos - offset, pos - 1 - offset });
}
if (!reversedRanges.IsEmpty())
{
if (children.Count == 1)
{
lineGlyphs[0].renderer.SetProperty(Property.REVERSED, reversedRanges);
}
}
float currentXPos = layoutContext.GetArea().GetBBox().GetLeft();
foreach (IRenderer child_1 in children)
{
float currentWidth = ((TextRenderer)child_1).CalculateLineWidth();
((TextRenderer)child_1).occupiedArea.GetBBox().SetX(currentXPos).SetWidth(currentWidth
);
currentXPos += currentWidth;
}
}
if (result.GetStatus() == LayoutResult.PARTIAL)
{
LineRenderer overflow = (LineRenderer)result.GetOverflowRenderer();
if (levels != null)
{
overflow.levels = new byte[levels.Length - lineLevels.Length];
System.Array.Copy(levels, lineLevels.Length, overflow.levels, 0, overflow.levels.
Length);
if (overflow.levels.Length == 0)
{
overflow.levels = null;
}
}
}
else if (result.GetStatus() == LayoutResult.NOTHING)
{
if (levels != null)
{
((LineRenderer)result.GetOverflowRenderer()).levels = levels;
}
}
}
}
if (anythingPlaced)
{
LineRenderer processed = result.GetStatus() == LayoutResult.FULL ? this : (LineRenderer
)result.GetSplitRenderer();
processed.AdjustChildrenYLine().TrimLast();
}
return(result);
}
internal static LayoutResult OrphansWidowsAwareLayout(ParagraphRenderer renderer, LayoutContext context, ParagraphOrphansControl
orphansControl, ParagraphWidowsControl widowsControl)
{
OrphansWidowsLayoutHelper.OrphansWidowsLayoutAttempt layoutAttempt = AttemptLayout(renderer, context, context
.GetArea().Clone());
if (context.IsClippedHeight() || renderer.IsPositioned() || layoutAttempt.attemptResult.GetStatus() != LayoutResult
.PARTIAL || layoutAttempt.attemptResult.GetSplitRenderer() == null)
{
return(HandleAttemptAsSuccessful(layoutAttempt, context));
}
ParagraphRenderer splitRenderer = (ParagraphRenderer)layoutAttempt.attemptResult.GetSplitRenderer();
bool orphansViolation = orphansControl != null && splitRenderer != null && splitRenderer.GetLines().Count
< orphansControl.GetMinOrphans() && !renderer.IsFirstOnRootArea();
bool forcedPlacement = true.Equals(renderer.GetPropertyAsBoolean(Property.FORCED_PLACEMENT));
if (orphansViolation && forcedPlacement)
{
orphansControl.HandleViolatedOrphans(splitRenderer, "Ignored orphans constraint due to forced placement.");
}
if (orphansViolation && !forcedPlacement)
{
layoutAttempt = null;
}
else
{
if (widowsControl != null && splitRenderer != null && layoutAttempt.attemptResult.GetOverflowRenderer() !=
null)
{
ParagraphRenderer overflowRenderer = (ParagraphRenderer)layoutAttempt.attemptResult.GetOverflowRenderer();
// Excessively big value to check if widows constraint is violated;
// Make this value less in order to improve performance if you are sure
// that min number of widows will fit in this height. E.g. A4 page height is 842.
int simulationHeight = 3500;
LayoutArea simulationArea = new LayoutArea(context.GetArea().GetPageNumber(), context.GetArea().GetBBox().
Clone().SetHeight(simulationHeight));
// collapsingMarginsInfo might affect available space, which is redundant in case we pass arbitrary space.
// floatedRendererAreas list on new area is considered empty. We don't know if there will be any, however their presence in any case will result in more widows, not less.
// clippedHeight is undefined for the next area, because it is defined by overflow part of the paragraph parent.
// Even if it will be set to true in actual overflow-part layouting, stealing lines approach will result in
// giving bigger part of MAX-HEIGHT to the overflow part and resulting in bigger number of widows, which is better.
// However for possible other approaches which change content "length" (like word/char spacing adjusts),
// if in actual overflow-part layouting clippedHeight will be true, those widows fixing attempts will result in worse results.
LayoutContext simulationContext = new LayoutContext(simulationArea);
LayoutResult simulationResult = overflowRenderer.DirectLayout(simulationContext);
if (simulationResult.GetStatus() == LayoutResult.FULL)
{
// simulationHeight is excessively big in order to allow to layout all of the content remaining in overflowRenderer:
// this way after all of the remaining content is layouted we can check if it has led to widows violation.
// To make this analysis possible, we expect to get result FULL.
// if result is PARTIAL: means that simulationHeight value isn't big enough to layout all of the content remaining in overflowRenderer.
// In this case we assume that widows aren't violated since the amount of the lines to fit the simulatedHeight is expected to be very large.
// if result is NOTHING: unexpected result, limitation of simulation approach. Retry again with forced placement set.
int extraWidows = widowsControl.GetMinWidows() - overflowRenderer.GetLines().Count;
if (extraWidows > 0)
{
int extraLinesToMove = orphansControl != null?Math.Max(orphansControl.GetMinOrphans(), 1) : 1;
if (extraWidows <= widowsControl.GetMaxLinesToMove() && splitRenderer.GetLines().Count - extraWidows >= extraLinesToMove
)
{
LineRenderer lastLine = splitRenderer.GetLines()[splitRenderer.GetLines().Count - 1];
LineRenderer lastLineToLeave = splitRenderer.GetLines()[splitRenderer.GetLines().Count - extraWidows - 1];
float d = lastLineToLeave.GetOccupiedArea().GetBBox().GetY() - lastLine.GetOccupiedArea().GetBBox().GetY()
- AbstractRenderer.EPS;
Rectangle smallerBBox = new Rectangle(context.GetArea().GetBBox());
smallerBBox.DecreaseHeight(d);
smallerBBox.MoveUp(d);
LayoutArea smallerAvailableArea = new LayoutArea(context.GetArea().GetPageNumber(), smallerBBox);
layoutAttempt = AttemptLayout(renderer, context, smallerAvailableArea);
}
else
{
if (forcedPlacement || renderer.IsFirstOnRootArea() || !widowsControl.IsOverflowOnWidowsViolation())
{
if (forcedPlacement)
{
widowsControl.HandleViolatedWidows(overflowRenderer, "forced placement");
}
else
{
widowsControl.HandleViolatedWidows(overflowRenderer, "inability to fix it");
}
}
else
{
layoutAttempt = null;
}
}
}
}
}
}
if (layoutAttempt != null)
{
return(HandleAttemptAsSuccessful(layoutAttempt, context));
}
else
{
return(new LayoutResult(LayoutResult.NOTHING, null, null, renderer));
}
}
public override LayoutResult Layout(LayoutContext layoutContext)
{
LayoutArea area = layoutContext.GetArea().Clone();
Rectangle layoutBox = area.GetBBox().Clone();
AffineTransform t = new AffineTransform();
Image modelElement = (Image)(GetModelElement());
PdfXObject xObject = modelElement.GetXObject();
imageWidth = modelElement.GetImageWidth();
imageHeight = modelElement.GetImageHeight();
CalculateImageDimensions(layoutBox, t, xObject);
OverflowPropertyValue?overflowX = null != parent?parent.GetProperty <OverflowPropertyValue?>(Property.OVERFLOW_X
) : OverflowPropertyValue.FIT;
bool nowrap = false;
if (parent is LineRenderer)
{
nowrap = true.Equals(this.parent.GetOwnProperty <bool?>(Property.NO_SOFT_WRAP_INLINE));
}
IList <Rectangle> floatRendererAreas = layoutContext.GetFloatRendererAreas();
float clearHeightCorrection = FloatingHelper.CalculateClearHeightCorrection(this, floatRendererAreas, layoutBox
);
FloatPropertyValue?floatPropertyValue = this.GetProperty <FloatPropertyValue?>(Property.FLOAT);
if (FloatingHelper.IsRendererFloating(this, floatPropertyValue))
{
layoutBox.DecreaseHeight(clearHeightCorrection);
FloatingHelper.AdjustFloatedBlockLayoutBox(this, layoutBox, width, floatRendererAreas, floatPropertyValue,
overflowX);
}
else
{
clearHeightCorrection = FloatingHelper.AdjustLayoutBoxAccordingToFloats(floatRendererAreas, layoutBox, width
, clearHeightCorrection, null);
}
ApplyMargins(layoutBox, false);
Border[] borders = GetBorders();
ApplyBorderBox(layoutBox, borders, false);
float?declaredMaxHeight = RetrieveMaxHeight();
OverflowPropertyValue?overflowY = null == parent || ((null == declaredMaxHeight || declaredMaxHeight > layoutBox
.GetHeight()) && !layoutContext.IsClippedHeight()) ? OverflowPropertyValue.FIT : parent.GetProperty <OverflowPropertyValue?
>(Property.OVERFLOW_Y);
bool processOverflowX = !IsOverflowFit(overflowX) || nowrap;
bool processOverflowY = !IsOverflowFit(overflowY);
if (IsAbsolutePosition())
{
ApplyAbsolutePosition(layoutBox);
}
occupiedArea = new LayoutArea(area.GetPageNumber(), new Rectangle(layoutBox.GetX(), layoutBox.GetY() + layoutBox
.GetHeight(), 0, 0));
float imageItselfScaledWidth = (float)width;
float imageItselfScaledHeight = (float)height;
if (IsFixedLayout())
{
fixedXPosition = this.GetPropertyAsFloat(Property.LEFT);
fixedYPosition = this.GetPropertyAsFloat(Property.BOTTOM);
}
float?angle = this.GetPropertyAsFloat(Property.ROTATION_ANGLE);
// See in adjustPositionAfterRotation why angle = 0 is necessary
if (null == angle)
{
angle = 0f;
}
t.Rotate((float)angle);
initialOccupiedAreaBBox = GetOccupiedAreaBBox().Clone();
float scaleCoef = AdjustPositionAfterRotation((float)angle, layoutBox.GetWidth(), layoutBox.GetHeight());
imageItselfScaledHeight *= scaleCoef;
imageItselfScaledWidth *= scaleCoef;
initialOccupiedAreaBBox.MoveDown(imageItselfScaledHeight);
initialOccupiedAreaBBox.SetHeight(imageItselfScaledHeight);
initialOccupiedAreaBBox.SetWidth(imageItselfScaledWidth);
if (xObject is PdfFormXObject)
{
t.Scale(scaleCoef, scaleCoef);
}
GetMatrix(t, imageItselfScaledWidth, imageItselfScaledHeight);
// indicates whether the placement is forced
bool isPlacingForced = false;
if (width > layoutBox.GetWidth() || height > layoutBox.GetHeight())
{
if (true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)) || (width > layoutBox.GetWidth() && processOverflowX
) || (height > layoutBox.GetHeight() && processOverflowY))
{
isPlacingForced = true;
}
else
{
ApplyMargins(initialOccupiedAreaBBox, true);
ApplyBorderBox(initialOccupiedAreaBBox, true);
occupiedArea.GetBBox().SetHeight(initialOccupiedAreaBBox.GetHeight());
return(new MinMaxWidthLayoutResult(LayoutResult.NOTHING, occupiedArea, null, this, this));
}
}
occupiedArea.GetBBox().MoveDown((float)height);
if (borders[3] != null)
{
height += (float)Math.Sin((float)angle) * borders[3].GetWidth();
}
occupiedArea.GetBBox().SetHeight((float)height);
occupiedArea.GetBBox().SetWidth((float)width);
UnitValue leftMargin = this.GetPropertyAsUnitValue(Property.MARGIN_LEFT);
if (!leftMargin.IsPointValue())
{
ILog logger = LogManager.GetLogger(typeof(iText.Layout.Renderer.ImageRenderer));
logger.Error(MessageFormatUtil.Format(iText.IO.LogMessageConstant.PROPERTY_IN_PERCENTS_NOT_SUPPORTED, Property
.MARGIN_LEFT));
}
UnitValue topMargin = this.GetPropertyAsUnitValue(Property.MARGIN_TOP);
if (!topMargin.IsPointValue())
{
ILog logger = LogManager.GetLogger(typeof(iText.Layout.Renderer.ImageRenderer));
logger.Error(MessageFormatUtil.Format(iText.IO.LogMessageConstant.PROPERTY_IN_PERCENTS_NOT_SUPPORTED, Property
.MARGIN_TOP));
}
if (0 != leftMargin.GetValue() || 0 != topMargin.GetValue())
{
TranslateImage(leftMargin.GetValue(), topMargin.GetValue(), t);
GetMatrix(t, imageItselfScaledWidth, imageItselfScaledHeight);
}
ApplyBorderBox(occupiedArea.GetBBox(), borders, true);
ApplyMargins(occupiedArea.GetBBox(), true);
if (angle != 0)
{
ApplyRotationLayout((float)angle);
}
float unscaledWidth = occupiedArea.GetBBox().GetWidth() / scaleCoef;
MinMaxWidth minMaxWidth = new MinMaxWidth(unscaledWidth, unscaledWidth, 0);
UnitValue rendererWidth = this.GetProperty <UnitValue>(Property.WIDTH);
if (rendererWidth != null && rendererWidth.IsPercentValue())
{
minMaxWidth.SetChildrenMinWidth(0);
float coeff = imageWidth / (float)RetrieveWidth(area.GetBBox().GetWidth());
minMaxWidth.SetChildrenMaxWidth(unscaledWidth * coeff);
}
else
{
bool autoScale = HasProperty(Property.AUTO_SCALE) && (bool)this.GetProperty <bool?>(Property.AUTO_SCALE);
bool autoScaleWidth = HasProperty(Property.AUTO_SCALE_WIDTH) && (bool)this.GetProperty <bool?>(Property.AUTO_SCALE_WIDTH
);
if (autoScale || autoScaleWidth)
{
minMaxWidth.SetChildrenMinWidth(0);
}
}
FloatingHelper.RemoveFloatsAboveRendererBottom(floatRendererAreas, this);
LayoutArea editedArea = FloatingHelper.AdjustResultOccupiedAreaForFloatAndClear(this, floatRendererAreas,
layoutContext.GetArea().GetBBox(), clearHeightCorrection, false);
ApplyAbsolutePositionIfNeeded(layoutContext);
return(new MinMaxWidthLayoutResult(LayoutResult.FULL, editedArea, null, null, isPlacingForced ? this : null
).SetMinMaxWidth(minMaxWidth));
}
protected internal virtual LayoutResult DirectLayout(LayoutContext layoutContext)
{
bool wasHeightClipped = false;
bool wasParentsHeightClipped = layoutContext.IsClippedHeight();
int pageNumber = layoutContext.GetArea().GetPageNumber();
bool anythingPlaced = false;
bool firstLineInBox = true;
LineRenderer currentRenderer = (LineRenderer) new LineRenderer().SetParent(this);
Rectangle parentBBox = layoutContext.GetArea().GetBBox().Clone();
MarginsCollapseHandler marginsCollapseHandler = null;
bool marginsCollapsingEnabled = true.Equals(GetPropertyAsBoolean(Property.COLLAPSING_MARGINS));
if (marginsCollapsingEnabled)
{
marginsCollapseHandler = new MarginsCollapseHandler(this, layoutContext.GetMarginsCollapseInfo());
}
OverflowPropertyValue?overflowX = this.GetProperty <OverflowPropertyValue?>(Property.OVERFLOW_X);
bool?nowrapProp = this.GetPropertyAsBoolean(Property.NO_SOFT_WRAP_INLINE);
currentRenderer.SetProperty(Property.NO_SOFT_WRAP_INLINE, nowrapProp);
bool notAllKidsAreFloats = false;
IList <Rectangle> floatRendererAreas = layoutContext.GetFloatRendererAreas();
FloatPropertyValue?floatPropertyValue = this.GetProperty <FloatPropertyValue?>(Property.FLOAT);
float clearHeightCorrection = FloatingHelper.CalculateClearHeightCorrection(this, floatRendererAreas, parentBBox
);
FloatingHelper.ApplyClearance(parentBBox, marginsCollapseHandler, clearHeightCorrection, FloatingHelper.IsRendererFloating
(this));
float?blockWidth = RetrieveWidth(parentBBox.GetWidth());
if (FloatingHelper.IsRendererFloating(this, floatPropertyValue))
{
blockWidth = FloatingHelper.AdjustFloatedBlockLayoutBox(this, parentBBox, blockWidth, floatRendererAreas,
floatPropertyValue, overflowX);
floatRendererAreas = new List <Rectangle>();
}
if (0 == childRenderers.Count)
{
anythingPlaced = true;
currentRenderer = null;
}
bool isPositioned = IsPositioned();
float?rotation = this.GetPropertyAsFloat(Property.ROTATION_ANGLE);
float?blockMaxHeight = RetrieveMaxHeight();
OverflowPropertyValue?overflowY = (null == blockMaxHeight || blockMaxHeight > parentBBox.GetHeight()) &&
!wasParentsHeightClipped ? OverflowPropertyValue.FIT : this.GetProperty <OverflowPropertyValue?>(Property
.OVERFLOW_Y);
if (rotation != null || IsFixedLayout())
{
parentBBox.MoveDown(AbstractRenderer.INF - parentBBox.GetHeight()).SetHeight(AbstractRenderer.INF);
}
if (rotation != null && !FloatingHelper.IsRendererFloating(this))
{
blockWidth = RotationUtils.RetrieveRotatedLayoutWidth(parentBBox.GetWidth(), this);
}
if (marginsCollapsingEnabled)
{
marginsCollapseHandler.StartMarginsCollapse(parentBBox);
}
Border[] borders = GetBorders();
UnitValue[] paddings = GetPaddings();
float additionalWidth = ApplyBordersPaddingsMargins(parentBBox, borders, paddings);
ApplyWidth(parentBBox, blockWidth, overflowX);
wasHeightClipped = ApplyMaxHeight(parentBBox, blockMaxHeight, marginsCollapseHandler, false, wasParentsHeightClipped
, overflowY);
MinMaxWidth minMaxWidth = new MinMaxWidth(additionalWidth);
AbstractWidthHandler widthHandler = new MaxMaxWidthHandler(minMaxWidth);
IList <Rectangle> areas;
if (isPositioned)
{
areas = JavaCollectionsUtil.SingletonList(parentBBox);
}
else
{
areas = InitElementAreas(new LayoutArea(pageNumber, parentBBox));
}
occupiedArea = new LayoutArea(pageNumber, new Rectangle(parentBBox.GetX(), parentBBox.GetY() + parentBBox.
GetHeight(), parentBBox.GetWidth(), 0));
ShrinkOccupiedAreaForAbsolutePosition();
int currentAreaPos = 0;
Rectangle layoutBox = areas[0].Clone();
lines = new List <LineRenderer>();
foreach (IRenderer child in childRenderers)
{
notAllKidsAreFloats = notAllKidsAreFloats || !FloatingHelper.IsRendererFloating(child);
currentRenderer.AddChild(child);
}
float lastYLine = layoutBox.GetY() + layoutBox.GetHeight();
float previousDescent = 0;
float lastLineBottomLeadingIndent = 0;
bool onlyOverflowedFloatsLeft = false;
IList <IRenderer> inlineFloatsOverflowedToNextPage = new List <IRenderer>();
bool floatOverflowedToNextPageWithNothing = false;
// rectangles are compared by instances
ICollection <Rectangle> nonChildFloatingRendererAreas = new HashSet <Rectangle>(floatRendererAreas);
if (marginsCollapsingEnabled && childRenderers.Count > 0)
{
// passing null is sufficient to notify that there is a kid, however we don't care about it and it's margins
marginsCollapseHandler.StartChildMarginsHandling(null, layoutBox);
}
bool includeFloatsInOccupiedArea = BlockFormattingContextUtil.IsRendererCreateBfc(this);
while (currentRenderer != null)
{
currentRenderer.SetProperty(Property.TAB_DEFAULT, this.GetPropertyAsFloat(Property.TAB_DEFAULT));
currentRenderer.SetProperty(Property.TAB_STOPS, this.GetProperty <Object>(Property.TAB_STOPS));
float lineIndent = anythingPlaced ? 0 : (float)this.GetPropertyAsFloat(Property.FIRST_LINE_INDENT);
Rectangle childLayoutBox = new Rectangle(layoutBox.GetX(), layoutBox.GetY(), layoutBox.GetWidth(), layoutBox
.GetHeight());
currentRenderer.SetProperty(Property.OVERFLOW_X, overflowX);
currentRenderer.SetProperty(Property.OVERFLOW_Y, overflowY);
LineLayoutContext lineLayoutContext = new LineLayoutContext(new LayoutArea(pageNumber, childLayoutBox), null
, floatRendererAreas, wasHeightClipped || wasParentsHeightClipped).SetTextIndent(lineIndent).SetFloatOverflowedToNextPageWithNothing
(floatOverflowedToNextPageWithNothing);
LineLayoutResult result = (LineLayoutResult)((LineRenderer)currentRenderer.SetParent(this)).Layout(lineLayoutContext
);
if (result.GetStatus() == LayoutResult.NOTHING)
{
float?lineShiftUnderFloats = FloatingHelper.CalculateLineShiftUnderFloats(floatRendererAreas, layoutBox);
if (lineShiftUnderFloats != null)
{
layoutBox.DecreaseHeight((float)lineShiftUnderFloats);
firstLineInBox = true;
continue;
}
bool allRemainingKidsAreFloats = !currentRenderer.childRenderers.IsEmpty();
foreach (IRenderer renderer in currentRenderer.childRenderers)
{
allRemainingKidsAreFloats = allRemainingKidsAreFloats && FloatingHelper.IsRendererFloating(renderer);
}
if (allRemainingKidsAreFloats)
{
onlyOverflowedFloatsLeft = true;
}
}
floatOverflowedToNextPageWithNothing = lineLayoutContext.IsFloatOverflowedToNextPageWithNothing();
if (result.GetFloatsOverflowedToNextPage() != null)
{
inlineFloatsOverflowedToNextPage.AddAll(result.GetFloatsOverflowedToNextPage());
}
float minChildWidth = 0;
float maxChildWidth = 0;
if (result is MinMaxWidthLayoutResult)
{
minChildWidth = ((MinMaxWidthLayoutResult)result).GetMinMaxWidth().GetMinWidth();
maxChildWidth = ((MinMaxWidthLayoutResult)result).GetMinMaxWidth().GetMaxWidth();
}
widthHandler.UpdateMinChildWidth(minChildWidth);
widthHandler.UpdateMaxChildWidth(maxChildWidth);
LineRenderer processedRenderer = null;
if (result.GetStatus() == LayoutResult.FULL)
{
processedRenderer = currentRenderer;
}
else
{
if (result.GetStatus() == LayoutResult.PARTIAL)
{
processedRenderer = (LineRenderer)result.GetSplitRenderer();
}
}
if (onlyOverflowedFloatsLeft)
{
// This is done to trick ParagraphRenderer to break rendering and to overflow to the next page.
// The `onlyOverflowedFloatsLeft` is set to true only when no other content is left except
// overflowed floating elements.
processedRenderer = null;
}
TextAlignment?textAlignment = (TextAlignment?)this.GetProperty <TextAlignment?>(Property.TEXT_ALIGNMENT, TextAlignment
.LEFT);
ApplyTextAlignment(textAlignment, result, processedRenderer, layoutBox, floatRendererAreas, onlyOverflowedFloatsLeft
, lineIndent);
Leading leading = RenderingMode.HTML_MODE.Equals(this.GetProperty <RenderingMode?>(Property.RENDERING_MODE)
) ? null : this.GetProperty <Leading>(Property.LEADING);
// could be false if e.g. line contains only floats
bool lineHasContent = processedRenderer != null && processedRenderer.GetOccupiedArea().GetBBox().GetHeight
() > 0;
bool isFit = processedRenderer != null;
float deltaY = 0;
if (isFit && !RenderingMode.HTML_MODE.Equals(this.GetProperty <RenderingMode?>(Property.RENDERING_MODE)))
{
if (lineHasContent)
{
float indentFromLastLine = previousDescent - lastLineBottomLeadingIndent - (leading != null ? processedRenderer
.GetTopLeadingIndent(leading) : 0) - processedRenderer.GetMaxAscent();
// TODO this is a workaround. To be refactored
if (processedRenderer != null && processedRenderer.ContainsImage())
{
indentFromLastLine += previousDescent;
}
deltaY = lastYLine + indentFromLastLine - processedRenderer.GetYLine();
lastLineBottomLeadingIndent = leading != null?processedRenderer.GetBottomLeadingIndent(leading) : 0;
// TODO this is a workaround. To be refactored
if (lastLineBottomLeadingIndent < 0 && processedRenderer.ContainsImage())
{
lastLineBottomLeadingIndent = 0;
}
}
// for the first and last line in a paragraph, leading is smaller
if (firstLineInBox)
{
deltaY = processedRenderer != null && leading != null ? -processedRenderer.GetTopLeadingIndent(leading) :
0;
}
isFit = leading == null || processedRenderer.GetOccupiedArea().GetBBox().GetY() + deltaY >= layoutBox.GetY
();
}
if (!isFit && (null == processedRenderer || IsOverflowFit(overflowY)))
{
if (currentAreaPos + 1 < areas.Count)
{
layoutBox = areas[++currentAreaPos].Clone();
lastYLine = layoutBox.GetY() + layoutBox.GetHeight();
firstLineInBox = true;
}
else
{
bool keepTogether = IsKeepTogether();
if (keepTogether)
{
floatRendererAreas.RetainAll(nonChildFloatingRendererAreas);
return(new MinMaxWidthLayoutResult(LayoutResult.NOTHING, null, null, this, null == result.GetCauseOfNothing
() ? this : result.GetCauseOfNothing()));
}
else
{
if (marginsCollapsingEnabled)
{
if (anythingPlaced && notAllKidsAreFloats)
{
marginsCollapseHandler.EndChildMarginsHandling(layoutBox);
}
}
// On page split, if not only overflowed floats left, content will be drawn on next page, i.e. under all floats on this page
bool includeFloatsInOccupiedAreaOnSplit = !onlyOverflowedFloatsLeft || includeFloatsInOccupiedArea;
if (includeFloatsInOccupiedAreaOnSplit)
{
FloatingHelper.IncludeChildFloatsInOccupiedArea(floatRendererAreas, this, nonChildFloatingRendererAreas);
FixOccupiedAreaIfOverflowedX(overflowX, layoutBox);
}
if (marginsCollapsingEnabled)
{
marginsCollapseHandler.EndMarginsCollapse(layoutBox);
}
bool minHeightOverflowed = false;
if (!includeFloatsInOccupiedAreaOnSplit)
{
AbstractRenderer minHeightOverflow = ApplyMinHeight(overflowY, layoutBox);
minHeightOverflowed = minHeightOverflow != null;
ApplyVerticalAlignment();
}
iText.Layout.Renderer.ParagraphRenderer[] split = Split();
split[0].lines = lines;
foreach (LineRenderer line in lines)
{
split[0].childRenderers.AddAll(line.GetChildRenderers());
}
split[1].childRenderers.AddAll(inlineFloatsOverflowedToNextPage);
if (processedRenderer != null)
{
split[1].childRenderers.AddAll(processedRenderer.GetChildRenderers());
}
if (result.GetOverflowRenderer() != null)
{
split[1].childRenderers.AddAll(result.GetOverflowRenderer().GetChildRenderers());
}
if (onlyOverflowedFloatsLeft && !includeFloatsInOccupiedArea && !minHeightOverflowed)
{
FloatingHelper.RemoveParentArtifactsOnPageSplitIfOnlyFloatsOverflow(split[1]);
}
float usedHeight = occupiedArea.GetBBox().GetHeight();
if (!includeFloatsInOccupiedAreaOnSplit)
{
Rectangle commonRectangle = Rectangle.GetCommonRectangle(layoutBox, occupiedArea.GetBBox());
usedHeight = commonRectangle.GetHeight();
}
UpdateHeightsOnSplit(usedHeight, wasHeightClipped, this, split[1], includeFloatsInOccupiedAreaOnSplit);
CorrectFixedLayout(layoutBox);
ApplyPaddings(occupiedArea.GetBBox(), paddings, true);
ApplyBorderBox(occupiedArea.GetBBox(), borders, true);
ApplyMargins(occupiedArea.GetBBox(), true);
ApplyAbsolutePositionIfNeeded(layoutContext);
LayoutArea editedArea = FloatingHelper.AdjustResultOccupiedAreaForFloatAndClear(this, layoutContext.GetFloatRendererAreas
(), layoutContext.GetArea().GetBBox(), clearHeightCorrection, marginsCollapsingEnabled);
if (wasHeightClipped)
{
return(new MinMaxWidthLayoutResult(LayoutResult.FULL, editedArea, split[0], null).SetMinMaxWidth(minMaxWidth
));
}
else
{
if (anythingPlaced)
{
return(new MinMaxWidthLayoutResult(LayoutResult.PARTIAL, editedArea, split[0], split[1]).SetMinMaxWidth(minMaxWidth
));
}
else
{
if (true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)))
{
occupiedArea.SetBBox(Rectangle.GetCommonRectangle(occupiedArea.GetBBox(), currentRenderer.GetOccupiedArea(
).GetBBox()));
FixOccupiedAreaIfOverflowedX(overflowX, layoutBox);
parent.SetProperty(Property.FULL, true);
lines.Add(currentRenderer);
// Force placement of children we have and do not force placement of the others
if (LayoutResult.PARTIAL == result.GetStatus())
{
IRenderer childNotRendered = result.GetCauseOfNothing();
int firstNotRendered = currentRenderer.childRenderers.IndexOf(childNotRendered);
currentRenderer.childRenderers.RetainAll(currentRenderer.childRenderers.SubList(0, firstNotRendered));
split[1].childRenderers.RemoveAll(split[1].childRenderers.SubList(0, firstNotRendered));
return(new MinMaxWidthLayoutResult(LayoutResult.PARTIAL, editedArea, this, split[1], null).SetMinMaxWidth(
minMaxWidth));
}
else
{
return(new MinMaxWidthLayoutResult(LayoutResult.FULL, editedArea, null, null, this).SetMinMaxWidth(minMaxWidth
));
}
}
else
{
floatRendererAreas.RetainAll(nonChildFloatingRendererAreas);
return(new MinMaxWidthLayoutResult(LayoutResult.NOTHING, null, null, this, null == result.GetCauseOfNothing
() ? this : result.GetCauseOfNothing()));
}
}
}
}
}
}
else
{
if (leading != null)
{
processedRenderer.ApplyLeading(deltaY);
if (lineHasContent)
{
lastYLine = processedRenderer.GetYLine();
}
}
if (lineHasContent)
{
occupiedArea.SetBBox(Rectangle.GetCommonRectangle(occupiedArea.GetBBox(), processedRenderer.GetOccupiedArea
().GetBBox()));
FixOccupiedAreaIfOverflowedX(overflowX, layoutBox);
}
firstLineInBox = false;
layoutBox.SetHeight(processedRenderer.GetOccupiedArea().GetBBox().GetY() - layoutBox.GetY());
lines.Add(processedRenderer);
anythingPlaced = true;
currentRenderer = (LineRenderer)result.GetOverflowRenderer();
previousDescent = processedRenderer.GetMaxDescent();
if (!inlineFloatsOverflowedToNextPage.IsEmpty() && result.GetOverflowRenderer() == null)
{
onlyOverflowedFloatsLeft = true;
// dummy renderer to trick paragraph renderer to continue kids loop
currentRenderer = new LineRenderer();
}
}
}
if (!RenderingMode.HTML_MODE.Equals(this.GetProperty <RenderingMode?>(Property.RENDERING_MODE)))
{
float moveDown = lastLineBottomLeadingIndent;
if (IsOverflowFit(overflowY) && moveDown > occupiedArea.GetBBox().GetY() - layoutBox.GetY())
{
moveDown = occupiedArea.GetBBox().GetY() - layoutBox.GetY();
}
occupiedArea.GetBBox().MoveDown(moveDown);
occupiedArea.GetBBox().SetHeight(occupiedArea.GetBBox().GetHeight() + moveDown);
}
if (marginsCollapsingEnabled)
{
if (childRenderers.Count > 0 && notAllKidsAreFloats)
{
marginsCollapseHandler.EndChildMarginsHandling(layoutBox);
}
}
if (includeFloatsInOccupiedArea)
{
FloatingHelper.IncludeChildFloatsInOccupiedArea(floatRendererAreas, this, nonChildFloatingRendererAreas);
FixOccupiedAreaIfOverflowedX(overflowX, layoutBox);
}
if (wasHeightClipped)
{
FixOccupiedAreaIfOverflowedY(overflowY, layoutBox);
}
if (marginsCollapsingEnabled)
{
marginsCollapseHandler.EndMarginsCollapse(layoutBox);
}
AbstractRenderer overflowRenderer = ApplyMinHeight(overflowY, layoutBox);
if (overflowRenderer != null && IsKeepTogether())
{
floatRendererAreas.RetainAll(nonChildFloatingRendererAreas);
return(new LayoutResult(LayoutResult.NOTHING, null, null, this, this));
}
CorrectFixedLayout(layoutBox);
ApplyPaddings(occupiedArea.GetBBox(), paddings, true);
ApplyBorderBox(occupiedArea.GetBBox(), borders, true);
ApplyMargins(occupiedArea.GetBBox(), true);
ApplyAbsolutePositionIfNeeded(layoutContext);
if (rotation != null)
{
ApplyRotationLayout(layoutContext.GetArea().GetBBox().Clone());
if (IsNotFittingLayoutArea(layoutContext.GetArea()))
{
if (IsNotFittingWidth(layoutContext.GetArea()) && !IsNotFittingHeight(layoutContext.GetArea()))
{
LogManager.GetLogger(GetType()).Warn(MessageFormatUtil.Format(iText.IO.LogMessageConstant.ELEMENT_DOES_NOT_FIT_AREA
, "It fits by height so it will be forced placed"));
}
else
{
if (!true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)))
{
floatRendererAreas.RetainAll(nonChildFloatingRendererAreas);
return(new MinMaxWidthLayoutResult(LayoutResult.NOTHING, null, null, this, this));
}
}
}
}
ApplyVerticalAlignment();
FloatingHelper.RemoveFloatsAboveRendererBottom(floatRendererAreas, this);
LayoutArea editedArea_1 = FloatingHelper.AdjustResultOccupiedAreaForFloatAndClear(this, layoutContext.GetFloatRendererAreas
(), layoutContext.GetArea().GetBBox(), clearHeightCorrection, marginsCollapsingEnabled);
if (null == overflowRenderer)
{
return(new MinMaxWidthLayoutResult(LayoutResult.FULL, editedArea_1, null, null, null).SetMinMaxWidth(minMaxWidth
));
}
else
{
return(new MinMaxWidthLayoutResult(LayoutResult.PARTIAL, editedArea_1, this, overflowRenderer, null).SetMinMaxWidth
(minMaxWidth));
}
}
/// <summary><inheritDoc/></summary>
public override LayoutResult Layout(LayoutContext layoutContext)
{
int pageNumber = layoutContext.GetArea().GetPageNumber();
bool anythingPlaced = false;
bool firstLineInBox = true;
LineRenderer currentRenderer = (LineRenderer) new LineRenderer().SetParent(this);
Rectangle parentBBox = layoutContext.GetArea().GetBBox().Clone();
if (0 == childRenderers.Count)
{
anythingPlaced = true;
currentRenderer = null;
SetProperty(Property.MARGIN_TOP, 0);
SetProperty(Property.MARGIN_RIGHT, 0);
SetProperty(Property.MARGIN_BOTTOM, 0);
SetProperty(Property.MARGIN_LEFT, 0);
SetProperty(Property.PADDING_TOP, 0);
SetProperty(Property.PADDING_RIGHT, 0);
SetProperty(Property.PADDING_BOTTOM, 0);
SetProperty(Property.PADDING_LEFT, 0);
SetProperty(Property.BORDER, Border.NO_BORDER);
}
if (this.GetProperty <float?>(Property.ROTATION_ANGLE) != null)
{
parentBBox.MoveDown(AbstractRenderer.INF - parentBBox.GetHeight()).SetHeight(AbstractRenderer.INF);
}
float[] margins = GetMargins();
ApplyMargins(parentBBox, margins, false);
Border[] borders = GetBorders();
ApplyBorderBox(parentBBox, borders, false);
bool isPositioned = IsPositioned();
if (isPositioned)
{
float x = (float)this.GetPropertyAsFloat(Property.X);
float relativeX = IsFixedLayout() ? 0 : parentBBox.GetX();
parentBBox.SetX(relativeX + x);
}
float?blockWidth = RetrieveWidth(parentBBox.GetWidth());
if (blockWidth != null && (blockWidth < parentBBox.GetWidth() || isPositioned))
{
parentBBox.SetWidth((float)blockWidth);
}
float[] paddings = GetPaddings();
ApplyPaddings(parentBBox, paddings, false);
IList <Rectangle> areas;
if (isPositioned)
{
areas = JavaCollectionsUtil.SingletonList(parentBBox);
}
else
{
areas = InitElementAreas(new LayoutArea(pageNumber, parentBBox));
}
occupiedArea = new LayoutArea(pageNumber, new Rectangle(parentBBox.GetX(), parentBBox.GetY() + parentBBox.
GetHeight(), parentBBox.GetWidth(), 0));
int currentAreaPos = 0;
Rectangle layoutBox = areas[0].Clone();
lines = new List <LineRenderer>();
foreach (IRenderer child in childRenderers)
{
currentRenderer.AddChild(child);
}
float lastYLine = layoutBox.GetY() + layoutBox.GetHeight();
Leading leading = this.GetProperty <Leading>(Property.LEADING);
float leadingValue = 0;
float lastLineHeight = 0;
while (currentRenderer != null)
{
currentRenderer.SetProperty(Property.TAB_DEFAULT, this.GetPropertyAsFloat(Property.TAB_DEFAULT));
currentRenderer.SetProperty(Property.TAB_STOPS, this.GetProperty <Object>(Property.TAB_STOPS));
float lineIndent = anythingPlaced ? 0 : (float)this.GetPropertyAsFloat(Property.FIRST_LINE_INDENT);
float availableWidth = layoutBox.GetWidth() - lineIndent;
Rectangle childLayoutBox = new Rectangle(layoutBox.GetX() + lineIndent, layoutBox.GetY(), availableWidth,
layoutBox.GetHeight());
LineLayoutResult result = ((LineLayoutResult)((LineRenderer)currentRenderer.SetParent(this)).Layout(new LayoutContext
(new LayoutArea(pageNumber, childLayoutBox))));
LineRenderer processedRenderer = null;
if (result.GetStatus() == LayoutResult.FULL)
{
processedRenderer = currentRenderer;
}
else
{
if (result.GetStatus() == LayoutResult.PARTIAL)
{
processedRenderer = (LineRenderer)result.GetSplitRenderer();
}
}
TextAlignment?textAlignment = (TextAlignment?)this.GetProperty <TextAlignment?>(Property.TEXT_ALIGNMENT, TextAlignment
.LEFT);
if (result.GetStatus() == LayoutResult.PARTIAL && textAlignment == TextAlignment.JUSTIFIED && !result.IsSplitForcedByNewline
() || textAlignment == TextAlignment.JUSTIFIED_ALL)
{
if (processedRenderer != null)
{
processedRenderer.Justify(layoutBox.GetWidth() - lineIndent);
}
}
else
{
if (textAlignment != TextAlignment.LEFT && processedRenderer != null)
{
float deltaX = availableWidth - processedRenderer.GetOccupiedArea().GetBBox().GetWidth();
switch (textAlignment)
{
case TextAlignment.RIGHT: {
processedRenderer.Move(deltaX, 0);
break;
}
case TextAlignment.CENTER: {
processedRenderer.Move(deltaX / 2, 0);
break;
}
}
}
}
leadingValue = processedRenderer != null && leading != null?processedRenderer.GetLeadingValue(leading) :
0;
if (processedRenderer != null && processedRenderer.ContainsImage())
{
leadingValue -= previousDescent;
}
bool doesNotFit = result.GetStatus() == LayoutResult.NOTHING;
float deltaY = 0;
if (!doesNotFit)
{
lastLineHeight = processedRenderer.GetOccupiedArea().GetBBox().GetHeight();
deltaY = lastYLine - leadingValue - processedRenderer.GetYLine();
// for the first and last line in a paragraph, leading is smaller
if (firstLineInBox)
{
deltaY = -(leadingValue - lastLineHeight) / 2;
}
doesNotFit = leading != null && processedRenderer.GetOccupiedArea().GetBBox().GetY() + deltaY < layoutBox.
GetY();
}
if (doesNotFit)
{
if (currentAreaPos + 1 < areas.Count)
{
layoutBox = areas[++currentAreaPos].Clone();
lastYLine = layoutBox.GetY() + layoutBox.GetHeight();
firstLineInBox = true;
}
else
{
bool keepTogether = IsKeepTogether();
if (keepTogether)
{
return(new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, this, null == result.GetCauseOfNothing()
? this : result.GetCauseOfNothing()));
}
else
{
ApplyPaddings(occupiedArea.GetBBox(), paddings, true);
ApplyBorderBox(occupiedArea.GetBBox(), borders, true);
ApplyMargins(occupiedArea.GetBBox(), margins, true);
iText.Layout.Renderer.ParagraphRenderer[] split = Split();
split[0].lines = lines;
foreach (LineRenderer line in lines)
{
split[0].childRenderers.AddAll(line.GetChildRenderers());
}
if (processedRenderer != null)
{
split[1].childRenderers.AddAll(processedRenderer.GetChildRenderers());
}
if (result.GetOverflowRenderer() != null)
{
split[1].childRenderers.AddAll(result.GetOverflowRenderer().GetChildRenderers());
}
if (anythingPlaced)
{
return(new LayoutResult(LayoutResult.PARTIAL, occupiedArea, split[0], split[1]));
}
else
{
if (true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)))
{
occupiedArea.SetBBox(Rectangle.GetCommonRectangle(occupiedArea.GetBBox(), currentRenderer.GetOccupiedArea(
).GetBBox()));
parent.SetProperty(Property.FULL, true);
lines.Add(currentRenderer);
// Force placement of children we have and do not force placement of the others
if (LayoutResult.PARTIAL == result.GetStatus())
{
IRenderer childNotRendered = result.GetCauseOfNothing();
int firstNotRendered = currentRenderer.childRenderers.IndexOf(childNotRendered);
currentRenderer.childRenderers.RetainAll(currentRenderer.childRenderers.SubList(0, firstNotRendered));
split[1].childRenderers.RemoveAll(split[1].childRenderers.SubList(0, firstNotRendered));
return(new LayoutResult(LayoutResult.PARTIAL, occupiedArea, this, split[1]));
}
else
{
return(new LayoutResult(LayoutResult.FULL, occupiedArea, null, null, this));
}
}
else
{
return(new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, this, null == result.GetCauseOfNothing()
? this : result.GetCauseOfNothing()));
}
}
}
}
}
else
{
if (leading != null)
{
processedRenderer.Move(0, deltaY);
lastYLine = processedRenderer.GetYLine();
}
occupiedArea.SetBBox(Rectangle.GetCommonRectangle(occupiedArea.GetBBox(), processedRenderer.GetOccupiedArea
().GetBBox()));
layoutBox.SetHeight(processedRenderer.GetOccupiedArea().GetBBox().GetY() - layoutBox.GetY());
lines.Add(processedRenderer);
anythingPlaced = true;
firstLineInBox = false;
currentRenderer = (LineRenderer)result.GetOverflowRenderer();
previousDescent = processedRenderer.GetMaxDescent();
}
}
if (!isPositioned)
{
float moveDown = Math.Min((leadingValue - lastLineHeight) / 2, occupiedArea.GetBBox().GetY() - layoutBox.GetY
());
occupiedArea.GetBBox().MoveDown(moveDown);
occupiedArea.GetBBox().SetHeight(occupiedArea.GetBBox().GetHeight() + moveDown);
}
float?blockHeight = this.GetPropertyAsFloat(Property.HEIGHT);
ApplyPaddings(occupiedArea.GetBBox(), paddings, true);
if (blockHeight != null && blockHeight > occupiedArea.GetBBox().GetHeight())
{
occupiedArea.GetBBox().MoveDown((float)blockHeight - occupiedArea.GetBBox().GetHeight()).SetHeight((float)
blockHeight);
ApplyVerticalAlignment();
}
if (isPositioned)
{
float y = (float)this.GetPropertyAsFloat(Property.Y);
float relativeY = IsFixedLayout() ? 0 : layoutBox.GetY();
Move(0, relativeY + y - occupiedArea.GetBBox().GetY());
}
ApplyBorderBox(occupiedArea.GetBBox(), borders, true);
ApplyMargins(occupiedArea.GetBBox(), margins, true);
if (this.GetProperty <float?>(Property.ROTATION_ANGLE) != null)
{
ApplyRotationLayout(layoutContext.GetArea().GetBBox().Clone());
if (IsNotFittingLayoutArea(layoutContext.GetArea()))
{
if (!true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)))
{
return(new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, this, this));
}
}
}
return(new LayoutResult(LayoutResult.FULL, occupiedArea, null, null));
}
public override LayoutResult Layout(LayoutContext layoutContext)
{
int pageNumber = layoutContext.GetArea().GetPageNumber();
bool isPositioned = IsPositioned();
Rectangle parentBBox = layoutContext.GetArea().GetBBox().Clone();
if (this.GetProperty <float?>(Property.ROTATION_ANGLE) != null || isPositioned)
{
parentBBox.MoveDown(AbstractRenderer.INF - parentBBox.GetHeight()).SetHeight(AbstractRenderer.INF);
}
float?blockHeight = RetrieveHeight();
if (!IsFixedLayout() && blockHeight != null && blockHeight > parentBBox.GetHeight() && !true.Equals(GetPropertyAsBoolean
(Property.FORCED_PLACEMENT)))
{
return(new LayoutResult(LayoutResult.NOTHING, null, null, this, this));
}
float[] margins = GetMargins();
ApplyMargins(parentBBox, margins, false);
Border[] borders = GetBorders();
ApplyBorderBox(parentBBox, borders, false);
if (isPositioned)
{
float x = (float)this.GetPropertyAsFloat(Property.X);
float relativeX = IsFixedLayout() ? 0 : parentBBox.GetX();
parentBBox.SetX(relativeX + x);
}
float?blockWidth = RetrieveWidth(parentBBox.GetWidth());
if (blockWidth != null && (blockWidth < parentBBox.GetWidth() || isPositioned))
{
parentBBox.SetWidth((float)blockWidth);
}
float[] paddings = GetPaddings();
ApplyPaddings(parentBBox, paddings, false);
IList <Rectangle> areas;
if (isPositioned)
{
areas = JavaCollectionsUtil.SingletonList(parentBBox);
}
else
{
areas = InitElementAreas(new LayoutArea(pageNumber, parentBBox));
}
occupiedArea = new LayoutArea(pageNumber, new Rectangle(parentBBox.GetX(), parentBBox.GetY() + parentBBox.
GetHeight(), parentBBox.GetWidth(), 0));
int currentAreaPos = 0;
Rectangle layoutBox = areas[0].Clone();
// the first renderer (one of childRenderers or their children) to produce LayoutResult.NOTHING
IRenderer causeOfNothing = null;
bool anythingPlaced = false;
for (int childPos = 0; childPos < childRenderers.Count; childPos++)
{
IRenderer childRenderer = childRenderers[childPos];
LayoutResult result;
childRenderer.SetParent(this);
while ((result = childRenderer.SetParent(this).Layout(new LayoutContext(new LayoutArea(pageNumber, layoutBox
)))).GetStatus() != LayoutResult.FULL)
{
if (result.GetOccupiedArea() != null)
{
occupiedArea.SetBBox(Rectangle.GetCommonRectangle(occupiedArea.GetBBox(), result.GetOccupiedArea().GetBBox
()));
layoutBox.SetHeight(layoutBox.GetHeight() - result.GetOccupiedArea().GetBBox().GetHeight());
}
if (childRenderer.GetOccupiedArea() != null)
{
AlignChildHorizontally(childRenderer, layoutBox.GetWidth());
}
// Save the first renderer to produce LayoutResult.NOTHING
if (null == causeOfNothing && null != result.GetCauseOfNothing())
{
causeOfNothing = result.GetCauseOfNothing();
}
// have more areas
if (currentAreaPos + 1 < areas.Count)
{
if (result.GetStatus() == LayoutResult.PARTIAL)
{
childRenderers[childPos] = result.GetSplitRenderer();
// TODO linkedList would make it faster
childRenderers.Add(childPos + 1, result.GetOverflowRenderer());
}
else
{
childRenderers[childPos] = result.GetOverflowRenderer();
childPos--;
}
layoutBox = areas[++currentAreaPos].Clone();
break;
}
else
{
if (result.GetStatus() == LayoutResult.PARTIAL)
{
layoutBox.SetHeight(layoutBox.GetHeight() - result.GetOccupiedArea().GetBBox().GetHeight());
if (currentAreaPos + 1 == areas.Count)
{
AbstractRenderer splitRenderer = CreateSplitRenderer(LayoutResult.PARTIAL);
splitRenderer.childRenderers = new List <IRenderer>(childRenderers.SubList(0, childPos));
splitRenderer.childRenderers.Add(result.GetSplitRenderer());
splitRenderer.occupiedArea = occupiedArea;
AbstractRenderer overflowRenderer = CreateOverflowRenderer(LayoutResult.PARTIAL);
// Apply forced placement only on split renderer
overflowRenderer.DeleteOwnProperty(Property.FORCED_PLACEMENT);
IList <IRenderer> overflowRendererChildren = new List <IRenderer>();
overflowRendererChildren.Add(result.GetOverflowRenderer());
overflowRendererChildren.AddAll(childRenderers.SubList(childPos + 1, childRenderers.Count));
overflowRenderer.childRenderers = overflowRendererChildren;
ApplyPaddings(occupiedArea.GetBBox(), paddings, true);
ApplyBorderBox(occupiedArea.GetBBox(), borders, true);
ApplyMargins(occupiedArea.GetBBox(), margins, true);
return(new LayoutResult(LayoutResult.PARTIAL, occupiedArea, splitRenderer, overflowRenderer, causeOfNothing
));
}
else
{
childRenderers[childPos] = result.GetSplitRenderer();
childRenderers.Add(childPos + 1, result.GetOverflowRenderer());
layoutBox = areas[++currentAreaPos].Clone();
break;
}
}
else
{
if (result.GetStatus() == LayoutResult.NOTHING)
{
bool keepTogether = IsKeepTogether();
int layoutResult = anythingPlaced && !keepTogether ? LayoutResult.PARTIAL : LayoutResult.NOTHING;
AbstractRenderer splitRenderer = CreateSplitRenderer(layoutResult);
splitRenderer.childRenderers = new List <IRenderer>(childRenderers.SubList(0, childPos));
foreach (IRenderer renderer in splitRenderer.childRenderers)
{
renderer.SetParent(splitRenderer);
}
AbstractRenderer overflowRenderer = CreateOverflowRenderer(layoutResult);
IList <IRenderer> overflowRendererChildren = new List <IRenderer>();
overflowRendererChildren.Add(result.GetOverflowRenderer());
overflowRendererChildren.AddAll(childRenderers.SubList(childPos + 1, childRenderers.Count));
overflowRenderer.childRenderers = overflowRendererChildren;
if (keepTogether)
{
splitRenderer = null;
overflowRenderer.childRenderers.Clear();
overflowRenderer.childRenderers = new List <IRenderer>(childRenderers);
}
ApplyPaddings(occupiedArea.GetBBox(), paddings, true);
ApplyBorderBox(occupiedArea.GetBBox(), borders, true);
ApplyMargins(occupiedArea.GetBBox(), margins, true);
if (true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)))
{
return(new LayoutResult(LayoutResult.FULL, occupiedArea, null, null));
}
else
{
return(new LayoutResult(layoutResult, occupiedArea, splitRenderer, overflowRenderer, LayoutResult.NOTHING
== layoutResult ? result.GetCauseOfNothing() : null));
}
}
}
}
}
anythingPlaced = true;
occupiedArea.SetBBox(Rectangle.GetCommonRectangle(occupiedArea.GetBBox(), result.GetOccupiedArea().GetBBox
()));
if (result.GetStatus() == LayoutResult.FULL)
{
layoutBox.SetHeight(layoutBox.GetHeight() - result.GetOccupiedArea().GetBBox().GetHeight());
if (childRenderer.GetOccupiedArea() != null)
{
AlignChildHorizontally(childRenderer, layoutBox.GetWidth());
}
}
// Save the first renderer to produce LayoutResult.NOTHING
if (null == causeOfNothing && null != result.GetCauseOfNothing())
{
causeOfNothing = result.GetCauseOfNothing();
}
}
ApplyPaddings(occupiedArea.GetBBox(), paddings, true);
if (blockHeight != null && blockHeight > occupiedArea.GetBBox().GetHeight())
{
occupiedArea.GetBBox().MoveDown((float)blockHeight - occupiedArea.GetBBox().GetHeight()).SetHeight((float)
blockHeight);
}
if (isPositioned)
{
float y = (float)this.GetPropertyAsFloat(Property.Y);
float relativeY = IsFixedLayout() ? 0 : layoutBox.GetY();
Move(0, relativeY + y - occupiedArea.GetBBox().GetY());
}
ApplyBorderBox(occupiedArea.GetBBox(), borders, true);
ApplyMargins(occupiedArea.GetBBox(), margins, true);
if (this.GetProperty <float?>(Property.ROTATION_ANGLE) != null)
{
ApplyRotationLayout(layoutContext.GetArea().GetBBox().Clone());
if (IsNotFittingLayoutArea(layoutContext.GetArea()))
{
if (!true.Equals(GetPropertyAsBoolean(Property.FORCED_PLACEMENT)))
{
return(new LayoutResult(LayoutResult.NOTHING, occupiedArea, null, this, this));
}
}
}
ApplyVerticalAlignment();
return(new LayoutResult(LayoutResult.FULL, occupiedArea, null, null, causeOfNothing));
}
public override LayoutResult Layout(LayoutContext layoutContext)
{
return(base.Layout(new LayoutContext(new LayoutArea(layoutContext.GetArea().GetPageNumber(), rect))));
}