public void ClearStyle()
{
style_ = null;
try
{
if (!HasChildren())
{
return;
}
NodesList list = GetChildrenNodes();
for (Node node = list.Next(); node != null; node = list.Next())
{
try
{
if (node.type_.type != ElementType.Entity)
{
node.ClearStyle();
}
}
catch
{
}
}
}
catch
{
}
}
public void SetScale(double scaling)
{
if (style_ == null)
{
style_ = new StyleAttributes();
}
if (scaling == 1)
{
style_.hasSize = false;
style_.size = "";
style_.scale = 1;
style_.canOverride = true;
}
else
{
style_.hasSize = true;
style_.scale = scaling;
string size = (scaling * 100).ToString();
size = size.Replace(CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator, ".");
size = size + "%";
style_.size = size;
style_.canOverride = true;
}
if (HasChildren())
{
NodesList list = GetChildrenNodes();
for (Node node = list.Next(); node != null; node = list.Next())
{
if (node.type_.type != ElementType.Entity)
{
node.SetScale(scaling);
}
}
}
}
public void UpdateChildrenIndices()
{
NodesList list = GetChildrenNodes();
Node node = list.Next();
int index = 0;
while (node != null)
{
node.childIndex = index;
node = list.Next();
index++;
}
numChildren = index;
}
public void UpdateLevel()
{
if (firstChild != null)
{
NodesList list = GetChildrenNodes();
for (Node node = list.Next(); node != null; node = list.Next())
{
node.level = level + 1;
if (node.firstChild != null)
{
node.UpdateLevel();
}
}
}
}
public void EmbraceParent()
{
if (firstChild != null)
{
NodesList list = GetChildrenNodes();
for (Node n = list.Next(); n != null; n = list.Next())
{
n.parent_ = this;
if (n.firstChild != null)
{
n.EmbraceParent();
}
}
}
}
public void PositionPass()
{
if (((box != null)))
{
box.SetPosition(this);
NodesList list = GetChildrenNodes();
for (Node node = list.Next(); node != null; node = list.Next())
{
box.UpdateChildPosition(node);
node.PositionPass();
}
}
}
public void print(Rectangle rect, PaintMode printMode, Color MathColor)
{
try
{
if (box == null)
{
return;
}
box.Draw(this, printMode, MathColor);
NodesList nodesList = GetChildrenNodes();
Node node = nodesList.Next();
bool notOnWhite = false;
while (node != null)
{
if (!notOnWhite &&
(((type_.type == ElementType.Math) ||
(type_.type == ElementType.Mtd)) ||
(type_.type == ElementType.Mrow)))
{
notOnWhite = node.NotOnWhite();
}
if (node.isVisible && (node.type_.type != ElementType.Mphantom))
{
node.print(rect, printMode, MathColor);
}
node = nodesList.Next();
}
if ((printMode == PaintMode.BACKGROUND))
{
if (!notOnWhite ||
(((type_.type != ElementType.Math) &&
(type_.type != ElementType.Mtd)) &&
(type_.type != ElementType.Mrow)))
{
return;
}
((BaseBox)box).painter_.FillBackground(this);
}
}
catch
{
}
}
public void SetColor(Color _color)
{
if (style_ == null)
{
style_ = new StyleAttributes();
}
style_.canOverride = true;
style_.color = _color;
style_.hasColor = true;
if (HasChildren())
{
NodesList list = GetChildrenNodes();
for (Node node = list.Next(); node != null; node = list.Next())
{
node.SetColor(_color);
}
}
}
public Node NodeAtPoint(Point p, CaretLocation result)
{
NodesList list = GetChildrenNodes();
for (Node n = list.Next(); n != null; n = list.Next())
{
if (n.GetCaretPos(p) != CaretPosition.None)
{
return(n.NodeAtPoint(p, result));
}
}
result.pos = GetCaretPos(p);
if (result.pos == CaretPosition.None)
{
return(null);
}
return(this);
}
public void PropogateYOffset()
{
if (yOffset != 0)
{
box.Y = box.Y + yOffset;
}
if ((yOffset != 0))
{
NodesList list = GetChildrenNodes();
for (Node node = list.Next(); node != null; node = list.Next())
{
if (yOffset != 0)
{
node.yOffset = yOffset;
}
node.PropogateYOffset();
}
}
yOffset = 0;
}
public void SetStyle(StyleAttributes styleAttributes)
{
if (style_ == null)
{
style_ = new StyleAttributes();
}
styleAttributes.CopyTo(style_);
style_.canOverride = true;
if (HasChildren())
{
NodesList list = GetChildrenNodes();
for (Node child = list.Next(); child != null; child = list.Next())
{
if (child.type_.type != ElementType.Entity)
{
child.SetStyle(styleAttributes);
}
}
}
}
public void SetBackground(Color _color)
{
if (style_ == null)
{
style_ = new StyleAttributes();
}
style_.canOverride = true;
style_.background = _color;
style_.hasBackground = true;
if (HasChildren())
{
NodesList list = GetChildrenNodes();
for (Node node = list.Next(); node != null; node = list.Next())
{
if (node.type_.type != ElementType.Entity)
{
node.SetBackground(_color);
}
}
}
}
public void MeasurePass(Painter g)
{
if (parent_ != null)
{
level = parent_.level + 1;
}
int x = 0;
int y = 0;
bool hasBox = false;
if ((box != null))
{
hasBox = true;
x = box.X;
y = box.Y;
}
if ((((box == null) || ((level < 2))) || ((level == 2))) || ((level > 2)))
{
BoxBuilder.MakeBox(this, g);
}
if ((type_ != null) && (type_.type == ElementType.Math))
{
PushdownStyleScript();
}
if (hasBox)
{
box.X = x;
box.Y = y;
}
NodesList list = GetChildrenNodes();
Node n = list.Next();
if ((style_ != null) && (style_.size.Length > 0))
{
try
{
style_.scale = StyleAttributes.FontScale(style_.size, (double)g.GetSuitableFont(this, style_).SizeInPoints);
style_.size = "";
}
catch
{
}
}
if ((style_ != null))
{
if (type_.type == ElementType.Math)
{
style_.isTop = true;
}
else if (style_.canOverride)
{
style_.isTop = false;
}
}
while (n != null)
{
if (style_ != null)
{
if (((n.style_ != null) && n.style_.canOverride) && n.IsSameStyleParent())
{
n.CombineStyles(n.style_, style_);
}
else if (n.type_.type == ElementType.Entity)
{
n.style_ = null;
}
else
{
try
{
StyleAttributes style = n.CascadeOverride(style_);
if (style != null)
{
if (type_.type == ElementType.Math)
{
style.fontFamily = "";
style.isUnderline = false;
}
n.style_ = new StyleAttributes();
style.CopyTo(n.style_);
if ((style_ != null) && style_.isTop)
{
n.style_.canOverride = false;
}
}
}
catch
{
}
}
}
n.MeasurePass(g);
box.setChildSize(n);
n = list.Next();
}
if (((((level < 2)) || ((level == 2))) || ((level > 2))))
{
box.getSize(this);
}
}
private void PushdownStyleScript()
{
if ((type_ != null))
{
bool overrodeParentDispStyle = false;
bool overrodeScriptLevel = false;
bool overrodePlus = false;
bool overrodeMinus = false;
int plusValue = 0;
int minusValue = 0;
if (type_.type == ElementType.Math)
{
scriptLevel_ = 0;
}
else if (style_ != null)
{
DisplayStyle ownDispStyle = style_.displayStyle;
DisplayStyle parentDisplayStyle = DisplayStyle.AUTOMATIC;
if ((parent_ != null) && (parent_.style_ != null))
{
parentDisplayStyle = parent_.style_.displayStyle;
}
if ((ownDispStyle != DisplayStyle.AUTOMATIC) && (ownDispStyle != parentDisplayStyle))
{
if (style_.displayStyle == DisplayStyle.TRUE)
{
displayStyle = true;
overrodeParentDispStyle = true;
}
else if (style_.displayStyle == DisplayStyle.FALSE)
{
displayStyle = false;
overrodeParentDispStyle = true;
}
}
else
{
displayStyle = parent_.displayStyle;
}
ScriptLevel ownscriptLevel = style_.scriptLevel;
ScriptLevel parentScriptLevel = ScriptLevel.NONE;
if ((parent_ != null) && (parent_.style_ != null))
{
parentScriptLevel = parent_.style_.scriptLevel;
}
if ((ownscriptLevel != ScriptLevel.NONE) && (ownscriptLevel != parentScriptLevel))
{
if (style_.scriptLevel == ScriptLevel.ZERO)
{
scriptLevel_ = 0;
overrodeScriptLevel = true;
}
else if (style_.scriptLevel == ScriptLevel.ONE)
{
scriptLevel_ = 1;
overrodeScriptLevel = true;
}
else if (style_.scriptLevel == ScriptLevel.TWO)
{
scriptLevel_ = 2;
overrodeScriptLevel = true;
}
else if (style_.scriptLevel == ScriptLevel.PLUS_ONE)
{
overrodePlus = true;
minusValue = 1;
}
else if (style_.scriptLevel == ScriptLevel.PLUS_TWO)
{
overrodePlus = true;
minusValue = 2;
}
else if (style_.scriptLevel == ScriptLevel.MINUS_ONE)
{
overrodeMinus = true;
plusValue = 1;
}
else if (style_.scriptLevel == ScriptLevel.MINUS_TWO)
{
overrodeMinus = true;
plusValue = 2;
}
}
else
{
scriptLevel_ = parent_.scriptLevel_;
}
}
if (((type_.type != ElementType.Math) && (parent_ != null)) && (parent_.type_ != null))
{
if (!overrodeParentDispStyle)
{
displayStyle = parent_.displayStyle;
}
if (!overrodeScriptLevel)
{
scriptLevel_ = parent_.scriptLevel_;
}
if ((((parent_.type_.type == ElementType.Mover) ||
(parent_.type_.type == ElementType.Munder)) ||
((parent_.type_.type == ElementType.Munderover) ||
(parent_.type_.type == ElementType.Msub))) ||
(((parent_.type_.type == ElementType.Msup) ||
(parent_.type_.type == ElementType.Mmultiscripts)) ||
(parent_.type_.type == ElementType.Msubsup)))
{
if (childIndex > 0)
{
if (!overrodeScriptLevel)
{
scriptLevel_ = parent_.scriptLevel_ + 1;
}
if (!overrodeParentDispStyle)
{
displayStyle = false;
}
}
}
else if (parent_.type_.type == ElementType.Mroot)
{
if ((childIndex > 0) && !overrodeScriptLevel)
{
scriptLevel_ = parent_.scriptLevel_ + 2;
}
}
else if (parent_.type_.type == ElementType.Mfrac)
{
if (parent_.displayStyle)
{
if (!overrodeScriptLevel)
{
scriptLevel_ = parent_.scriptLevel_;
}
}
else if (!overrodeScriptLevel)
{
scriptLevel_ = parent_.scriptLevel_ + 1;
}
if (!overrodeParentDispStyle)
{
displayStyle = false;
}
}
}
if (overrodePlus)
{
scriptLevel_ += plusValue;
scriptLevel_ = Math.Min(scriptLevel_, 2);
}
if (overrodeMinus)
{
scriptLevel_ -= minusValue;
scriptLevel_ = Math.Max(scriptLevel_, 0);
}
}
NodesList list = GetChildrenNodes();
for (Node child = list.Next(); child != null; child = list.Next())
{
child.PushdownStyleScript();
}
scriptLevel_ = Math.Min(scriptLevel_, 2);
scriptLevel_ = Math.Max(scriptLevel_, 0);
}
