//--------------------------------------------------------------------
//
// Public Properties
//
//---------------------------------------------------------------------
#region Static methods
public static FixedSOMElement CreateFixedSOMElement(FixedPage page, UIElement uiElement, FixedNode fixedNode, int startIndex, int endIndex)
{
FixedSOMElement element = null;
if (uiElement is Glyphs)
{
Glyphs glyphs = uiElement as Glyphs;
if (glyphs.UnicodeString.Length > 0)
{
GlyphRun glyphRun = glyphs.ToGlyphRun();
Rect alignmentBox = glyphRun.ComputeAlignmentBox();
alignmentBox.Offset(glyphs.OriginX, glyphs.OriginY);
GeneralTransform transform = glyphs.TransformToAncestor(page);
if (startIndex < 0)
{
startIndex = 0;
}
if (endIndex < 0)
{
endIndex = glyphRun.Characters == null ? 0 : glyphRun.Characters.Count;
}
element = FixedSOMTextRun.Create(alignmentBox, transform, glyphs, fixedNode, startIndex, endIndex, false);
}
}
else if (uiElement is Image)
{
element = FixedSOMImage.Create(page, uiElement as Image, fixedNode);
}
else if (uiElement is Path)
{
element = FixedSOMImage.Create(page, uiElement as Path, fixedNode);
}
return(element);
}
// Token: 0x06002DC0 RID: 11712 RVA: 0x000CDD1C File Offset: 0x000CBF1C
private void _AddElement(FixedSOMElement element)
{
base.Add(element);
if (this._semanticBoxes.Count == 1)
{
this._matrix = element.Matrix;
this._matrix.OffsetX = 0.0;
this._matrix.OffsetY = 0.0;
}
}
// Token: 0x06002D36 RID: 11574 RVA: 0x000CC224 File Offset: 0x000CA424
private void _AddEntry(FixedSOMElement element)
{
FixedNode fixedNode = element.FixedNode;
List <FixedSOMElement> list;
if (this._mapping.ContainsKey(fixedNode))
{
list = (List <FixedSOMElement>) this._mapping[fixedNode];
}
else
{
list = new List <FixedSOMElement>();
this._mapping.Add(fixedNode, list);
}
list.Add(element);
}
private void _AddEntry(FixedSOMElement element)
{
FixedNode fn = element.FixedNode;
List <FixedSOMElement> entry;
if (_mapping.ContainsKey(fn))
{
entry = (List <FixedSOMElement>)_mapping[fn];
}
else
{
entry = new List <FixedSOMElement>();
_mapping.Add(fn, entry);
}
entry.Add(element);
}
// Token: 0x06002D17 RID: 11543 RVA: 0x000CB760 File Offset: 0x000C9960
private void AddFixedNodeInFlow(int index, UIElement e)
{
if (this._visitedArray[index])
{
return;
}
FixedNode fixedNode = this._fixedNodes[index];
if (e == null)
{
e = (this._fixedPage.GetElement(fixedNode) as UIElement);
}
this._visitedArray[index] = true;
FixedSOMElement fixedSOMElement = FixedSOMElement.CreateFixedSOMElement(this._fixedPage, e, fixedNode, -1, -1);
if (fixedSOMElement != null)
{
this._flowBuilder.AddElement(fixedSOMElement);
}
}
// Token: 0x06002E1D RID: 11805 RVA: 0x000D04A4 File Offset: 0x000CE6A4
private void _ConstructFixedNodes()
{
this._fixedNodes = new List <FixedNode>();
foreach (FixedSOMSemanticBox fixedSOMSemanticBox in this._semanticBoxes)
{
FixedSOMElement fixedSOMElement = fixedSOMSemanticBox as FixedSOMElement;
if (fixedSOMElement != null)
{
this._fixedNodes.Add(fixedSOMElement.FixedNode);
}
else
{
FixedSOMContainer fixedSOMContainer = fixedSOMSemanticBox as FixedSOMContainer;
List <FixedNode> fixedNodes = fixedSOMContainer.FixedNodes;
foreach (FixedNode item in fixedNodes)
{
this._fixedNodes.Add(item);
}
}
}
}
void _ConstructFixedNodes()
{
_fixedNodes = new List <FixedNode>();
foreach (FixedSOMSemanticBox box in _semanticBoxes)
{
FixedSOMElement element = box as FixedSOMElement;
if (element != null)
{
_fixedNodes.Add(element.FixedNode);
}
else
{
FixedSOMContainer container = box as FixedSOMContainer;
Debug.Assert(container != null);
List <FixedNode> nodes = container.FixedNodes;
foreach (FixedNode node in nodes)
{
_fixedNodes.Add(node);
}
}
}
}
private void AddFixedNodeInFlow(int index, UIElement e)
{
if (_visitedArray[index])
{
// this has already been added to the document structure
// Debug.Assert(false, "An element is referenced in the document structure multiple times");
return; // ignore this reference
}
FixedNode fn = (FixedNode)_fixedNodes[index];
if (e == null)
{
e = _fixedPage.GetElement(fn) as UIElement;
}
_visitedArray[index] = true;
FixedSOMElement somElement = FixedSOMElement.CreateFixedSOMElement(_fixedPage, e, fn, -1, -1);
if (somElement != null)
{
_flowBuilder.AddElement(somElement);
}
}
internal void AddFixedElement(FixedSOMElement element)
{
_AddEntry(element);
}
//--------------------------------------------------------------------
// TextContainer Element
//---------------------------------------------------------------------
// given a TextPointer range, find out all fixed position included in this range and
// offset into the begin and end fixed element
private bool _GetFixedNodesForFlowRange(ITextPointer start, ITextPointer end, out FixedSOMElement[] elements, out int startIndex, out int endIndex)
{
Debug.Assert(start.CompareTo(end) <= 0);
elements = null;
startIndex = 0;
endIndex = 0;
if (start.CompareTo(end) == 0)
{
return false;
}
FixedTextPointer pStart = (FixedTextPointer)start;
FixedTextPointer pEnd = (FixedTextPointer)end;
return this.FixedTextBuilder.GetFixedNodesForFlowRange(pStart.FlowPosition, pEnd.FlowPosition, out elements, out startIndex, out endIndex);
} //endofGetFixedNodes
// Token: 0x06002EA1 RID: 11937 RVA: 0x000D2BCC File Offset: 0x000D0DCC
internal void GetMultiHighlights(FixedTextPointer start, FixedTextPointer end, Dictionary <FixedPage, ArrayList> highlights, FixedHighlightType t, Brush foregroundBrush, Brush backgroundBrush)
{
if (start.CompareTo(end) > 0)
{
FixedTextPointer fixedTextPointer = start;
start = end;
end = fixedTextPointer;
}
int num = 0;
int num2 = 0;
FixedSOMElement[] array;
if (this._GetFixedNodesForFlowRange(start, end, out array, out num, out num2))
{
for (int i = 0; i < array.Length; i++)
{
FixedSOMElement fixedSOMElement = array[i];
FixedNode fixedNode = fixedSOMElement.FixedNode;
FixedPage fixedPage = this.FixedDocument.SyncGetPageWithCheck(fixedNode.Page);
if (fixedPage != null)
{
DependencyObject element = fixedPage.GetElement(fixedNode);
if (element != null)
{
int num3 = 0;
UIElement element2;
int num4;
if (element is Image || element is Path)
{
element2 = (UIElement)element;
num4 = 1;
}
else
{
Glyphs glyphs = element as Glyphs;
if (glyphs == null)
{
goto IL_144;
}
element2 = (UIElement)element;
num3 = fixedSOMElement.StartIndex;
num4 = fixedSOMElement.EndIndex;
}
if (i == 0)
{
num3 = num;
}
if (i == array.Length - 1)
{
num4 = num2;
}
ArrayList arrayList;
if (highlights.ContainsKey(fixedPage))
{
arrayList = highlights[fixedPage];
}
else
{
arrayList = new ArrayList();
highlights.Add(fixedPage, arrayList);
}
FixedSOMTextRun fixedSOMTextRun = fixedSOMElement as FixedSOMTextRun;
if (fixedSOMTextRun != null && fixedSOMTextRun.IsReversed)
{
int num5 = num3;
num3 = fixedSOMElement.EndIndex - num4;
num4 = fixedSOMElement.EndIndex - num5;
}
FixedHighlight value = new FixedHighlight(element2, num3, num4, t, foregroundBrush, backgroundBrush);
arrayList.Add(value);
}
}
IL_144 :;
}
}
}
// Get the highlights, in Glyphs granularity, that covers this range
internal void GetMultiHighlights(FixedTextPointer start, FixedTextPointer end, Dictionary <FixedPage, ArrayList> highlights, FixedHighlightType t,
Brush foregroundBrush, Brush backgroundBrush)
{
Debug.Assert(highlights != null);
if (start.CompareTo(end) > 0)
{
// make sure start <= end
FixedTextPointer temp = start;
start = end;
end = temp;
}
FixedSOMElement[] elements;
//Start and end indices in selection for first and last FixedSOMElements respectively
int startIndex = 0;
int endIndex = 0;
if (_GetFixedNodesForFlowRange(start, end, out elements, out startIndex, out endIndex))
{
for (int i = 0; i < elements.Length; i++)
{
FixedSOMElement elem = elements[i];
FixedNode fn = elem.FixedNode;
// Get the FixedPage if possible
FixedPage page = this.FixedDocument.SyncGetPageWithCheck(fn.Page);
if (page == null)
{
continue;
}
DependencyObject o = page.GetElement(fn);
if (o == null)
{
continue;
}
int beginOffset = 0;
int endOffset;
UIElement e;
if (o is Image || o is Path)
{
e = (UIElement)o;
endOffset = 1;
}
else
{
Glyphs g = o as Glyphs;
if (g == null)
{
continue;
}
e = (UIElement)o;
beginOffset = elem.StartIndex;
endOffset = elem.EndIndex;
}
if (i == 0)
{
beginOffset = startIndex;
}
if (i == elements.Length - 1)
{
endOffset = endIndex;
}
ArrayList lfs;
if (highlights.ContainsKey(page))
{
lfs = highlights[page];
}
else
{
lfs = new ArrayList();
highlights.Add(page, lfs);
}
FixedSOMTextRun textRun = elem as FixedSOMTextRun;
if (textRun != null && textRun.IsReversed)
{
int oldBeginOffset = beginOffset;
beginOffset = elem.EndIndex - endOffset;
endOffset = elem.EndIndex - oldBeginOffset;
}
FixedHighlight fh = new FixedHighlight(e, beginOffset, endOffset, t, foregroundBrush, backgroundBrush);
lfs.Add(fh);
}
}
}
internal void AddFixedElement(FixedSOMElement element)
{
_AddEntry(element);
}
// Token: 0x06002DFC RID: 11772 RVA: 0x000CEDF0 File Offset: 0x000CCFF0
private bool _IsCombinable(FixedSOMFixedBlock fixedBlock, FixedSOMTextRun textRun)
{
if (fixedBlock.SemanticBoxes.Count == 0)
{
return(false);
}
if (fixedBlock.IsFloatingImage)
{
return(false);
}
Rect boundingRect = textRun.BoundingRect;
Rect boundingRect2 = fixedBlock.BoundingRect;
FixedSOMTextRun fixedSOMTextRun = null;
FixedSOMTextRun fixedSOMTextRun2 = fixedBlock.SemanticBoxes[fixedBlock.SemanticBoxes.Count - 1] as FixedSOMTextRun;
if (fixedSOMTextRun2 != null && boundingRect.Bottom <= fixedSOMTextRun2.BoundingRect.Top)
{
return(false);
}
bool flag = false;
bool flag2 = false;
double num = boundingRect.Height * 0.2;
if (boundingRect.Bottom - num < boundingRect2.Top)
{
flag = true;
fixedSOMTextRun = (fixedBlock.SemanticBoxes[0] as FixedSOMTextRun);
}
else if (boundingRect.Top + num > boundingRect2.Bottom)
{
flag2 = true;
fixedSOMTextRun = (fixedBlock.SemanticBoxes[fixedBlock.SemanticBoxes.Count - 1] as FixedSOMTextRun);
}
if ((fixedBlock.IsWhiteSpace || textRun.IsWhiteSpace) && (fixedBlock != this._currentFixedBlock || fixedSOMTextRun != null || !this._IsSpatiallyCombinable(boundingRect2, boundingRect, textRun.DefaultCharWidth * 3.0, 0.0)))
{
return(false);
}
if (fixedBlock.Matrix.M11 != textRun.Matrix.M11 || fixedBlock.Matrix.M12 != textRun.Matrix.M12 || fixedBlock.Matrix.M21 != textRun.Matrix.M21 || fixedBlock.Matrix.M22 != textRun.Matrix.M22)
{
return(false);
}
if (fixedSOMTextRun != null)
{
double num2 = fixedBlock.LineHeight / boundingRect.Height;
if (num2 < 1.0)
{
num2 = 1.0 / num2;
}
if (num2 > 1.1 && !FixedTextBuilder.IsSameLine(fixedSOMTextRun.BoundingRect.Top - boundingRect.Top, boundingRect.Height, fixedSOMTextRun.BoundingRect.Height))
{
return(false);
}
}
double num3 = textRun.DefaultCharWidth;
if (num3 < 1.0)
{
num3 = 1.0;
}
double num4 = fixedBlock.LineHeight / boundingRect.Height;
if (num4 < 1.0)
{
num4 = 1.0 / num4;
}
double inflateH;
if (fixedBlock == this._currentFixedBlock && fixedSOMTextRun == null && num4 < 1.5)
{
inflateH = 200.0;
}
else
{
inflateH = num3 * 1.5;
}
if (!this._IsSpatiallyCombinable(boundingRect2, boundingRect, inflateH, boundingRect.Height * 0.7))
{
return(false);
}
FixedSOMElement fixedSOMElement = fixedBlock.SemanticBoxes[fixedBlock.SemanticBoxes.Count - 1] as FixedSOMElement;
if (fixedSOMElement != null && fixedSOMElement.FixedNode.CompareTo(textRun.FixedNode) == 0)
{
return(false);
}
if (flag || flag2)
{
double num5 = boundingRect.Height * 0.2;
double top;
double bottom;
if (flag2)
{
top = boundingRect2.Bottom - num5;
bottom = boundingRect.Top + num5;
}
else
{
top = boundingRect.Bottom - num5;
bottom = boundingRect2.Top + num5;
}
double left = (boundingRect2.Left > boundingRect.Left) ? boundingRect2.Left : boundingRect.Left;
double right = (boundingRect2.Right < boundingRect.Right) ? boundingRect2.Right : boundingRect.Right;
return(!this._lines.IsHorizontallySeparated(left, top, right, bottom));
}
double num6 = (boundingRect2.Right < boundingRect.Right) ? boundingRect2.Right : boundingRect.Right;
double num7 = (boundingRect2.Left > boundingRect.Left) ? boundingRect2.Left : boundingRect.Left;
if (FrameworkAppContextSwitches.OptOutOfFixedDocumentModelConstructionFix)
{
if (num6 > num7)
{
double num8 = num6;
num6 = num7;
num7 = num8;
}
return(!this._lines.IsVerticallySeparated(num6, boundingRect.Top, num7, boundingRect.Bottom));
}
return(num6 >= num7 || !this._lines.IsVerticallySeparated(num6, boundingRect.Top, num7, boundingRect.Bottom));
}
private void _AddEntry(FixedSOMElement element)
{
FixedNode fn = element.FixedNode;
List<FixedSOMElement> entry;
if (_mapping.ContainsKey(fn))
{
entry = (List<FixedSOMElement>)_mapping[fn];
}
else
{
entry = new List<FixedSOMElement>();
_mapping.Add(fn, entry);
}
entry.Add(element);
}
private bool _IsCombinable(FixedSOMFixedBlock fixedBlock, FixedSOMTextRun textRun)
{
Debug.Assert(fixedBlock.SemanticBoxes.Count > 0);
if (fixedBlock.SemanticBoxes.Count == 0)
{
return(false);
}
//Currently we do not support inline images
if (fixedBlock.IsFloatingImage)
{
return(false);
}
Rect textRunRect = textRun.BoundingRect;
Rect fixedBlockRect = fixedBlock.BoundingRect;
FixedSOMTextRun compareLine = null;
FixedSOMTextRun lastLine = fixedBlock.SemanticBoxes[fixedBlock.SemanticBoxes.Count - 1] as FixedSOMTextRun;
if (lastLine != null && textRunRect.Bottom <= lastLine.BoundingRect.Top)
{
//This run is above the last run of the fixed block. Can't be the same paragraph
return(false);
}
bool fixedBlockBelow = false;
bool textRunBelow = false;
//Allow 20% overlap
double verticalOverlap = textRunRect.Height * 0.2;
if (textRunRect.Bottom - verticalOverlap < fixedBlockRect.Top)
{
fixedBlockBelow = true;
compareLine = fixedBlock.SemanticBoxes[0] as FixedSOMTextRun;
}
else if (textRunRect.Top + verticalOverlap > fixedBlockRect.Bottom)
{
textRunBelow = true;
compareLine = fixedBlock.SemanticBoxes[fixedBlock.SemanticBoxes.Count - 1] as FixedSOMTextRun;
}
if ((fixedBlock.IsWhiteSpace || textRun.IsWhiteSpace) &&
(fixedBlock != _currentFixedBlock || compareLine != null || !_IsSpatiallyCombinable(fixedBlockRect, textRunRect, textRun.DefaultCharWidth * 3, 0))
)
{
//When combining with white spaces, they need to be consecutive in markup and need to be on the same line.
return(false);
}
if (fixedBlock.Matrix.M11 != textRun.Matrix.M11 ||
fixedBlock.Matrix.M12 != textRun.Matrix.M12 ||
fixedBlock.Matrix.M21 != textRun.Matrix.M21 ||
fixedBlock.Matrix.M22 != textRun.Matrix.M22)
{
//We don't allow combining TextRuns with different scale/rotation properties
return(false);
}
Debug.Assert(textRunRect.Height != 0 && fixedBlock.LineHeight != 0);
//Rect textRunRect = textRun.BoundingRect;
if (compareLine != null) //Most probably different lines
{
double ratio = fixedBlock.LineHeight / textRunRect.Height;
if (ratio < 1.0)
{
ratio = 1.0 / ratio;
}
//Allow 10% height difference
if ((ratio > 1.1) &&
!(FixedTextBuilder.IsSameLine(compareLine.BoundingRect.Top - textRunRect.Top, textRunRect.Height, compareLine.BoundingRect.Height)))
{
return(false);
}
}
double width = textRun.DefaultCharWidth;
if (width < 1.0)
{
width = 1.0;
}
double dHorInflate = 0;
double heightRatio = fixedBlock.LineHeight / textRunRect.Height;
if (heightRatio < 1.0)
{
heightRatio = 1.0 / heightRatio;
}
//If consecutive in markup and seem to be on the same line, almost discard horizontal distance
if (fixedBlock == _currentFixedBlock &&
compareLine == null &&
heightRatio < 1.5
)
{
dHorInflate = 200;
}
else
{
dHorInflate = width * 1.5;
}
if (!_IsSpatiallyCombinable(fixedBlockRect, textRunRect, dHorInflate, textRunRect.Height * 0.7))
{
return(false);
}
//If these two have originated from the same Glyphs element, this means we intentionally separated them (separated by vertical lines).
//Don't combine in this case.
FixedSOMElement element = fixedBlock.SemanticBoxes[fixedBlock.SemanticBoxes.Count - 1] as FixedSOMElement;
if (element != null && element.FixedNode.CompareTo(textRun.FixedNode) == 0)
{
return(false);
}
//Are these seperated by a line? Check only if they are not considered overlapping
if (fixedBlockBelow || textRunBelow)
{
double bottom = 0.0;
double top = 0.0;
double margin = textRunRect.Height * 0.2;
if (textRunBelow)
{
top = fixedBlockRect.Bottom - margin;
bottom = textRunRect.Top + margin;
}
else
{
top = textRunRect.Bottom - margin;
bottom = fixedBlockRect.Top + margin;
}
double left = (fixedBlockRect.Left > textRunRect.Left) ? fixedBlockRect.Left : textRunRect.Left;
double right = (fixedBlockRect.Right < textRunRect.Right) ? fixedBlockRect.Right: textRunRect.Right;
return(!_lines.IsHorizontallySeparated(left, top, right, bottom));
}
else
{
//These two overlap vertically. Let's check whether there is a vertical separator in between
double left = (fixedBlockRect.Right < textRunRect.Right) ? fixedBlockRect.Right: textRunRect.Right;
double right = (fixedBlockRect.Left > textRunRect.Left) ? fixedBlockRect.Left: textRunRect.Left;
if (left > right)
{
double temp = left;
left = right;
right = temp;
}
return(!_lines.IsVerticallySeparated(left, textRunRect.Top, right, textRunRect.Bottom));
}
}
private void _AddElement(FixedSOMElement element)
{
base.Add(element);
if (_semanticBoxes.Count == 1)
{
_matrix = element.Matrix;
_matrix.OffsetX = 0;
_matrix.OffsetY = 0;
}
}
