//--------------------------------------------------------------------
//
// Private Methods
//
//---------------------------------------------------------------------
#region Private methods
private void _ProcessImage(DependencyObject obj, FixedNode fixedNode)
{
Debug.Assert(obj is Image || obj is Path);
FixedSOMImage somImage = null;
while (true)
{
Image image = obj as Image;
if (image != null)
{
somImage = FixedSOMImage.Create(_fixedPage, image, fixedNode);
break;
}
Path path = obj as Path;
if (path != null)
{
somImage = FixedSOMImage.Create(_fixedPage, path, fixedNode);
break;
}
}
//Create a wrapper FixedBlock:
FixedSOMFixedBlock fixedBlock = new FixedSOMFixedBlock(_fixedSOMPage);
fixedBlock.AddImage(somImage);
_fixedSOMPage.AddFixedBlock(fixedBlock);
_currentFixedBlock = fixedBlock;
}
// Token: 0x06002DF8 RID: 11768 RVA: 0x000CE9D4 File Offset: 0x000CCBD4
private void _ProcessImage(DependencyObject obj, FixedNode fixedNode)
{
Image image;
Path path;
for (;;)
{
image = (obj as Image);
if (image != null)
{
break;
}
path = (obj as Path);
if (path != null)
{
goto Block_1;
}
}
FixedSOMImage image2 = FixedSOMImage.Create(this._fixedPage, image, fixedNode);
goto IL_34;
Block_1:
image2 = FixedSOMImage.Create(this._fixedPage, path, fixedNode);
IL_34:
FixedSOMFixedBlock fixedSOMFixedBlock = new FixedSOMFixedBlock(this._fixedSOMPage);
fixedSOMFixedBlock.AddImage(image2);
this._fixedSOMPage.AddFixedBlock(fixedSOMFixedBlock);
this._currentFixedBlock = fixedSOMFixedBlock;
}
//Creates a FixedSOMTextRun, and updates containing structures
private void _CreateTextRun(Rect boundingRect, GeneralTransform trans, Glyphs glyphs, FixedNode node, int startIndex, int endIndex)
{
if (startIndex < endIndex)
{
FixedSOMTextRun textRun = FixedSOMTextRun.Create(boundingRect,
trans,
glyphs,
node,
startIndex,
endIndex,
true);
FixedSOMFixedBlock fixedBlock = _GetContainingFixedBlock(textRun);
if (fixedBlock == null)
{
fixedBlock = new FixedSOMFixedBlock(_fixedSOMPage);
fixedBlock.AddTextRun(textRun);
_fixedSOMPage.AddFixedBlock(fixedBlock);
}
else
{
fixedBlock.AddTextRun(textRun);
}
_currentFixedBlock = fixedBlock;
}
}
//Find and return a FixedBlock that would contain this TextRun
private FixedSOMFixedBlock _GetContainingFixedBlock(FixedSOMTextRun textRun)
{
FixedSOMFixedBlock fixedBlock = null;
if (_currentFixedBlock == null)
{
return(null);
}
if (_currentFixedBlock != null && _IsCombinable(_currentFixedBlock, textRun))
{
fixedBlock = _currentFixedBlock;
}
else
{
//If this is aligned with the previous block, simply create a new block
Rect textRunRect = textRun.BoundingRect;
Rect fixedBlockRect = _currentFixedBlock.BoundingRect;
if (Math.Abs(textRunRect.Left - fixedBlockRect.Left) <= textRun.DefaultCharWidth ||
Math.Abs(textRunRect.Right - fixedBlockRect.Right) <= textRun.DefaultCharWidth)
{
return(null);
}
foreach (FixedSOMSemanticBox box in _fixedSOMPage.SemanticBoxes)
{
if ((box is FixedSOMFixedBlock) && _IsCombinable(box as FixedSOMFixedBlock, textRun))
{
fixedBlock = box as FixedSOMFixedBlock;
}
}
}
return(fixedBlock);
}
// Token: 0x06002DFB RID: 11771 RVA: 0x000CED00 File Offset: 0x000CCF00
private FixedSOMFixedBlock _GetContainingFixedBlock(FixedSOMTextRun textRun)
{
FixedSOMFixedBlock result = null;
if (this._currentFixedBlock == null)
{
return(null);
}
if (this._currentFixedBlock != null && this._IsCombinable(this._currentFixedBlock, textRun))
{
result = this._currentFixedBlock;
}
else
{
Rect boundingRect = textRun.BoundingRect;
Rect boundingRect2 = this._currentFixedBlock.BoundingRect;
if (Math.Abs(boundingRect.Left - boundingRect2.Left) <= textRun.DefaultCharWidth || Math.Abs(boundingRect.Right - boundingRect2.Right) <= textRun.DefaultCharWidth)
{
return(null);
}
foreach (FixedSOMSemanticBox fixedSOMSemanticBox in this._fixedSOMPage.SemanticBoxes)
{
if (fixedSOMSemanticBox is FixedSOMFixedBlock && this._IsCombinable(fixedSOMSemanticBox as FixedSOMFixedBlock, textRun))
{
result = (fixedSOMSemanticBox as FixedSOMFixedBlock);
}
}
}
return(result);
}
//--------------------------------------------------------------------
//
// Public methods
//
//---------------------------------------------------------------------
public void AddContainer(FixedSOMPageElement pageElement)
{
FixedSOMFixedBlock block = pageElement as FixedSOMFixedBlock;
if (block == null || (!block.IsFloatingImage && !block.IsWhiteSpace))
{
if (pageElement.IsRTL)
{
_RTLCount++;
}
else
{
_LTRCount++;
}
}
_semanticBoxes.Add(pageElement);
if (_boundingRect.IsEmpty)
{
_boundingRect = pageElement.BoundingRect;
}
else
{
_boundingRect.Union(pageElement.BoundingRect);
}
}
private void _CombinePass()
{
if (_fixedSOMPage.SemanticBoxes.Count < 2)
{
//Nothing to do
return;
}
int prevBoxCount;
do
{
prevBoxCount = _fixedSOMPage.SemanticBoxes.Count;
List <FixedSOMSemanticBox> boxes = _fixedSOMPage.SemanticBoxes;
for (int i = 0; i < boxes.Count; i++)
{
FixedSOMTable table1 = boxes[i] as FixedSOMTable;
if (table1 != null)
{
//Check for nested tables
for (int j = i + 1; j < boxes.Count; j++)
{
FixedSOMTable table2 = boxes[j] as FixedSOMTable;
if (table2 != null &&
table1.AddContainer(table2))
{
boxes.Remove(table2);
}
}
continue;
}
FixedSOMFixedBlock box1 = boxes[i] as FixedSOMFixedBlock;
if (box1 == null || box1.IsFloatingImage)
{
continue;
}
for (int j = i + 1; j < boxes.Count; j++)
{
FixedSOMFixedBlock box2 = boxes[j] as FixedSOMFixedBlock;
if (box2 != null && !box2.IsFloatingImage &&
box2.Matrix.Equals(box1.Matrix) &&
(_IsSpatiallyCombinable(box1, box2, 0, 0)))
{
{
box1.CombineWith(box2);
boxes.Remove(box2);
}
}
}
}
} while (_fixedSOMPage.SemanticBoxes.Count > 1 && _fixedSOMPage.SemanticBoxes.Count != prevBoxCount);
}
// Token: 0x06002DBC RID: 11708 RVA: 0x000CDC50 File Offset: 0x000CBE50
public void CombineWith(FixedSOMFixedBlock block)
{
foreach (FixedSOMSemanticBox fixedSOMSemanticBox in block.SemanticBoxes)
{
FixedSOMTextRun fixedSOMTextRun = fixedSOMSemanticBox as FixedSOMTextRun;
if (fixedSOMTextRun != null)
{
this.AddTextRun(fixedSOMTextRun);
}
else
{
base.Add(fixedSOMSemanticBox);
}
}
}
public void CombineWith(FixedSOMFixedBlock block)
{
foreach (FixedSOMSemanticBox box in block.SemanticBoxes)
{
FixedSOMTextRun run = box as FixedSOMTextRun;
if (run != null)
{
AddTextRun(run);
}
else
{
base.Add(box);
}
}
}
// Token: 0x06002E01 RID: 11777 RVA: 0x000CF564 File Offset: 0x000CD764
private void _CombinePass()
{
if (this._fixedSOMPage.SemanticBoxes.Count < 2)
{
return;
}
int count;
do
{
count = this._fixedSOMPage.SemanticBoxes.Count;
List <FixedSOMSemanticBox> semanticBoxes = this._fixedSOMPage.SemanticBoxes;
for (int i = 0; i < semanticBoxes.Count; i++)
{
FixedSOMTable fixedSOMTable = semanticBoxes[i] as FixedSOMTable;
if (fixedSOMTable != null)
{
for (int j = i + 1; j < semanticBoxes.Count; j++)
{
FixedSOMTable fixedSOMTable2 = semanticBoxes[j] as FixedSOMTable;
if (fixedSOMTable2 != null && fixedSOMTable.AddContainer(fixedSOMTable2))
{
semanticBoxes.Remove(fixedSOMTable2);
}
}
}
else
{
FixedSOMFixedBlock fixedSOMFixedBlock = semanticBoxes[i] as FixedSOMFixedBlock;
if (fixedSOMFixedBlock != null && !fixedSOMFixedBlock.IsFloatingImage)
{
for (int k = i + 1; k < semanticBoxes.Count; k++)
{
FixedSOMFixedBlock fixedSOMFixedBlock2 = semanticBoxes[k] as FixedSOMFixedBlock;
if (fixedSOMFixedBlock2 != null && !fixedSOMFixedBlock2.IsFloatingImage && fixedSOMFixedBlock2.Matrix.Equals(fixedSOMFixedBlock.Matrix) && this._IsSpatiallyCombinable(fixedSOMFixedBlock, fixedSOMFixedBlock2, 0.0, 0.0))
{
fixedSOMFixedBlock.CombineWith(fixedSOMFixedBlock2);
semanticBoxes.Remove(fixedSOMFixedBlock2);
}
}
}
}
}
}while (this._fixedSOMPage.SemanticBoxes.Count > 1 && this._fixedSOMPage.SemanticBoxes.Count != count);
}
public bool AddContainer(FixedSOMContainer container)
{
Rect bounds = container.BoundingRect;
//Allow couple pixels margin
double verticalOverlap = bounds.Height * 0.2;
double horizontalOverlap = bounds.Width * 0.2;
bounds.Inflate(-horizontalOverlap, -verticalOverlap);
if (this.BoundingRect.Contains(bounds))
{
foreach (FixedSOMTableRow row in this.SemanticBoxes)
{
if (row.BoundingRect.Contains(bounds))
{
foreach (FixedSOMTableCell cell in row.SemanticBoxes)
{
if (cell.BoundingRect.Contains(bounds))
{
cell.AddContainer(container);
FixedSOMFixedBlock block = container as FixedSOMFixedBlock;
if (block != null)
{
if (block.IsRTL)
{
_RTLCount++;
}
else
{
_LTRCount++;
}
}
return(true);
}
}
}
}
}
return(false);
}
// Token: 0x06002E21 RID: 11809 RVA: 0x000D05D4 File Offset: 0x000CE7D4
public bool AddContainer(FixedSOMContainer container)
{
Rect boundingRect = container.BoundingRect;
double num = boundingRect.Height * 0.2;
double num2 = boundingRect.Width * 0.2;
boundingRect.Inflate(-num2, -num);
if (base.BoundingRect.Contains(boundingRect))
{
foreach (FixedSOMSemanticBox fixedSOMSemanticBox in base.SemanticBoxes)
{
FixedSOMTableRow fixedSOMTableRow = (FixedSOMTableRow)fixedSOMSemanticBox;
if (fixedSOMTableRow.BoundingRect.Contains(boundingRect))
{
foreach (FixedSOMSemanticBox fixedSOMSemanticBox2 in fixedSOMTableRow.SemanticBoxes)
{
FixedSOMTableCell fixedSOMTableCell = (FixedSOMTableCell)fixedSOMSemanticBox2;
if (fixedSOMTableCell.BoundingRect.Contains(boundingRect))
{
fixedSOMTableCell.AddContainer(container);
FixedSOMFixedBlock fixedSOMFixedBlock = container as FixedSOMFixedBlock;
if (fixedSOMFixedBlock != null)
{
if (fixedSOMFixedBlock.IsRTL)
{
this._RTLCount++;
}
else
{
this._LTRCount++;
}
}
return(true);
}
}
}
}
return(false);
}
return(false);
}
// Token: 0x06002DC3 RID: 11715 RVA: 0x000CDE50 File Offset: 0x000CC050
public void AddContainer(FixedSOMPageElement pageElement)
{
FixedSOMFixedBlock fixedSOMFixedBlock = pageElement as FixedSOMFixedBlock;
if (fixedSOMFixedBlock == null || (!fixedSOMFixedBlock.IsFloatingImage && !fixedSOMFixedBlock.IsWhiteSpace))
{
if (pageElement.IsRTL)
{
this._RTLCount++;
}
else
{
this._LTRCount++;
}
}
this._semanticBoxes.Add(pageElement);
if (this._boundingRect.IsEmpty)
{
this._boundingRect = pageElement.BoundingRect;
return;
}
this._boundingRect.Union(pageElement.BoundingRect);
}
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));
}
}
// 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 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));
}
}
//Creates a FixedSOMTextRun, and updates containing structures
private void _CreateTextRun(Rect boundingRect, GeneralTransform trans, Glyphs glyphs, FixedNode node, int startIndex, int endIndex)
{
if (startIndex < endIndex)
{
FixedSOMTextRun textRun = FixedSOMTextRun.Create(boundingRect,
trans,
glyphs,
node,
startIndex,
endIndex,
true);
FixedSOMFixedBlock fixedBlock = _GetContainingFixedBlock(textRun);
if (fixedBlock == null)
{
fixedBlock= new FixedSOMFixedBlock(_fixedSOMPage);
fixedBlock.AddTextRun(textRun);
_fixedSOMPage.AddFixedBlock(fixedBlock);
}
else
{
fixedBlock.AddTextRun(textRun);
}
_currentFixedBlock = fixedBlock;
}
}
//--------------------------------------------------------------------
//
// Private Methods
//
//---------------------------------------------------------------------
#region Private methods
private void _ProcessImage(DependencyObject obj, FixedNode fixedNode)
{
Debug.Assert(obj is Image || obj is Path);
FixedSOMImage somImage = null;
while (true)
{
Image image = obj as Image;
if (image != null)
{
somImage = FixedSOMImage.Create(_fixedPage, image, fixedNode);
break;
}
Path path = obj as Path;
if (path != null)
{
somImage = FixedSOMImage.Create(_fixedPage, path, fixedNode);
break;
}
}
//Create a wrapper FixedBlock:
FixedSOMFixedBlock fixedBlock = new FixedSOMFixedBlock(_fixedSOMPage);
fixedBlock.AddImage(somImage);
_fixedSOMPage.AddFixedBlock(fixedBlock);
_currentFixedBlock = fixedBlock;
}
public void AddFixedBlock(FixedSOMFixedBlock fixedBlock)
{
base.Add(fixedBlock);
}
// Token: 0x06002DDE RID: 11742 RVA: 0x000CE42C File Offset: 0x000CC62C
public void AddFixedBlock(FixedSOMFixedBlock fixedBlock)
{
base.Add(fixedBlock);
}
public void CombineWith(FixedSOMFixedBlock block)
{
foreach (FixedSOMSemanticBox box in block.SemanticBoxes)
{
FixedSOMTextRun run = box as FixedSOMTextRun;
if (run != null)
{
AddTextRun(run);
}
else
{
base.Add(box);
}
}
}
