// Token: 0x06006842 RID: 26690 RVA: 0x001D6388 File Offset: 0x001D4588
internal void UpdateViewport(ref PTS.FSRECT viewport, bool drawBackground)
{
GeneralTransform generalTransform = this.PageVisual.Child.TransformToAncestor(this.PageVisual);
generalTransform = generalTransform.Inverse;
Rect rect = viewport.FromTextDpi();
if (generalTransform != null)
{
rect = generalTransform.TransformBounds(rect);
}
if (!this.IsDisposed)
{
if (drawBackground)
{
this.PageVisual.DrawBackground((Brush)this._structuralCache.PropertyOwner.GetValue(FlowDocument.BackgroundProperty), rect);
}
using (this._structuralCache.SetDocumentVisualValidationContext(this))
{
PTS.FSRECT fsrect = new PTS.FSRECT(rect);
this._ptsPage.UpdateViewport(ref fsrect);
this._structuralCache.DetectInvalidOperation();
}
this.ValidateTextView();
}
}
internal override void ValidateVisual(PTS.FSKUPDATE fskupdInherited)
{
// Floater is always reported as NEW. Override PTS inherited value.
fskupdInherited = PTS.FSKUPDATE.fskupdNew;
// Query subpage details
PTS.FSSUBPAGEDETAILS subpageDetails;
PTS.Validate(PTS.FsQuerySubpageDetails(PtsContext.Context, _paraHandle.Value, out subpageDetails));
// Obtain all mbd info
MbpInfo mbp = MbpInfo.FromElement(Paragraph.Element, Paragraph.StructuralCache.TextFormatterHost.PixelsPerDip);
if (ThisFlowDirection != PageFlowDirection)
{
mbp.MirrorBP();
}
Brush backgroundBrush = (Brush)Paragraph.Element.GetValue(TextElement.BackgroundProperty);
Visual.DrawBackgroundAndBorder(backgroundBrush, mbp.BorderBrush, mbp.Border, _rect.FromTextDpi(), IsFirstChunk, IsLastChunk);
ContainerVisual pageContentVisual;
ContainerVisual floatingElementsVisual;
if (_visual.Children.Count != 2)
{
_visual.Children.Clear();
_visual.Children.Add(new ContainerVisual());
_visual.Children.Add(new ContainerVisual());
}
pageContentVisual = (ContainerVisual)_visual.Children[0];
floatingElementsVisual = (ContainerVisual)_visual.Children[1];
// Subpage content may be simple or complex -
// depending of set of features used in the content of the subpage.
// (1) simple subpage (contains only one track)
// (2) complex subpage (contains columns)
if (PTS.ToBoolean(subpageDetails.fSimple))
{
// (1) simple subpage (contains only one track)
PTS.FSKUPDATE fskupd = subpageDetails.u.simple.trackdescr.fsupdinf.fskupd;
if (fskupd == PTS.FSKUPDATE.fskupdInherited)
{
fskupd = fskupdInherited;
}
VisualCollection visualChildren = pageContentVisual.Children;
if (fskupd == PTS.FSKUPDATE.fskupdNew)
{
visualChildren.Clear();
visualChildren.Add(new ContainerVisual());
}
// For complex subpage SectionVisual is added. So, when morphing
// complex subpage to simple one, remove SectionVisual.
else if (visualChildren.Count == 1 && !(visualChildren[0] is ContainerVisual))
{
visualChildren.Clear();
visualChildren.Add(new ContainerVisual());
}
Debug.Assert(visualChildren.Count == 1 && visualChildren[0] is ContainerVisual);
ContainerVisual trackVisual = (ContainerVisual)visualChildren[0];
PtsHelper.UpdateTrackVisuals(PtsContext, trackVisual.Children, fskupdInherited, ref subpageDetails.u.simple.trackdescr);
}
else
{
// (2) complex page (contains columns)
// cBasicColumns == 0, means that subpage content is empty
bool emptySubpage = (subpageDetails.u.complex.cBasicColumns == 0);
if (!emptySubpage)
{
// Retrieve description for each column.
PTS.FSTRACKDESCRIPTION[] arrayColumnDesc;
PtsHelper.TrackListFromSubpage(PtsContext, _paraHandle.Value, ref subpageDetails, out arrayColumnDesc);
emptySubpage = (arrayColumnDesc.Length == 0);
if (!emptySubpage)
{
PTS.FSKUPDATE fskupd = fskupdInherited;
ErrorHandler.Assert(fskupd != PTS.FSKUPDATE.fskupdShifted, ErrorHandler.UpdateShiftedNotValid);
Debug.Assert(fskupd != PTS.FSKUPDATE.fskupdNoChange);
// For complex subpage SectionVisual is added. So, when morphing
// simple subpage to complex one, remove ParagraphVisual.
VisualCollection visualChildren = pageContentVisual.Children;
if (visualChildren.Count == 0)
{
visualChildren.Add(new SectionVisual());
}
else if (!(visualChildren[0] is SectionVisual))
{
visualChildren.Clear();
visualChildren.Add(new SectionVisual());
}
Debug.Assert(visualChildren.Count == 1 && visualChildren[0] is SectionVisual);
SectionVisual sectionVisual = (SectionVisual)visualChildren[0];
// Draw column rules.
ColumnPropertiesGroup columnProperties = new ColumnPropertiesGroup(Paragraph.Element);
sectionVisual.DrawColumnRules(ref arrayColumnDesc, TextDpi.FromTextDpi(subpageDetails.u.complex.fsrc.v), TextDpi.FromTextDpi(subpageDetails.u.complex.fsrc.dv), columnProperties);
visualChildren = sectionVisual.Children;
if (fskupd == PTS.FSKUPDATE.fskupdNew)
{
visualChildren.Clear();
for (int index = 0; index < arrayColumnDesc.Length; index++)
{
visualChildren.Add(new ContainerVisual());
}
}
ErrorHandler.Assert(visualChildren.Count == arrayColumnDesc.Length, ErrorHandler.ColumnVisualCountMismatch);
for (int index = 0; index < arrayColumnDesc.Length; index++)
{
ContainerVisual trackVisual = (ContainerVisual)visualChildren[index];
PtsHelper.UpdateTrackVisuals(PtsContext, trackVisual.Children, fskupdInherited, ref arrayColumnDesc[index]);
}
}
}
if (emptySubpage)
{
// There is no content, remove all existing visuals.
_visual.Children.Clear();
}
}
pageContentVisual.Offset = new PTS.FSVECTOR(ContentRect.u, ContentRect.v).FromTextDpi();
floatingElementsVisual.Offset = new PTS.FSVECTOR(ContentRect.u, ContentRect.v).FromTextDpi();
PTS.FSRECT clipRect = new PTS.FSRECT(_paddingRect.u - _contentRect.u, _paddingRect.v - _contentRect.v, _paddingRect.du, _paddingRect.dv);
PtsHelper.ClipChildrenToRect(_visual, clipRect.FromTextDpi());
PtsHelper.UpdateFloatingElementVisuals(floatingElementsVisual, _pageContextOfThisPage.FloatingElementList);
}
internal override void ValidateVisual(PTS.FSKUPDATE fskupdInherited)
{
PTS.FSSUBPAGEDETAILS fssubpagedetails;
PTS.Validate(PTS.FsQuerySubpageDetails(base.PtsContext.Context, this._paraHandle.Value, out fssubpagedetails));
MbpInfo mbpInfo = MbpInfo.FromElement(base.Paragraph.Element, base.Paragraph.StructuralCache.TextFormatterHost.PixelsPerDip);
if (base.ThisFlowDirection != base.PageFlowDirection)
{
mbpInfo.MirrorBP();
}
Brush backgroundBrush = (Brush)base.Paragraph.Element.GetValue(TextElement.BackgroundProperty);
this.Visual.DrawBackgroundAndBorder(backgroundBrush, mbpInfo.BorderBrush, mbpInfo.Border, this._rect.FromTextDpi(), this.IsFirstChunk, this.IsLastChunk);
if (this._visual.Children.Count != 2)
{
this._visual.Children.Clear();
this._visual.Children.Add(new ContainerVisual());
this._visual.Children.Add(new ContainerVisual());
}
ContainerVisual containerVisual = (ContainerVisual)this._visual.Children[0];
ContainerVisual containerVisual2 = (ContainerVisual)this._visual.Children[1];
if (PTS.ToBoolean(fssubpagedetails.fSimple))
{
PTS.FSKUPDATE fskupdate = fssubpagedetails.u.simple.trackdescr.fsupdinf.fskupd;
if (fskupdate == PTS.FSKUPDATE.fskupdInherited)
{
fskupdate = fskupdInherited;
}
VisualCollection children = containerVisual.Children;
if (fskupdate == PTS.FSKUPDATE.fskupdNew)
{
children.Clear();
children.Add(new ContainerVisual());
}
else if (children.Count == 1 && children[0] is SectionVisual)
{
children.Clear();
children.Add(new ContainerVisual());
}
ContainerVisual containerVisual3 = (ContainerVisual)children[0];
PtsHelper.UpdateTrackVisuals(base.PtsContext, containerVisual3.Children, fskupdInherited, ref fssubpagedetails.u.simple.trackdescr);
}
else
{
bool flag = fssubpagedetails.u.complex.cBasicColumns == 0;
if (!flag)
{
PTS.FSTRACKDESCRIPTION[] array;
PtsHelper.TrackListFromSubpage(base.PtsContext, this._paraHandle.Value, ref fssubpagedetails, out array);
flag = (array.Length == 0);
if (!flag)
{
ErrorHandler.Assert(fskupdInherited != PTS.FSKUPDATE.fskupdShifted, ErrorHandler.UpdateShiftedNotValid);
VisualCollection children2 = containerVisual.Children;
if (children2.Count == 0)
{
children2.Add(new SectionVisual());
}
else if (!(children2[0] is SectionVisual))
{
children2.Clear();
children2.Add(new SectionVisual());
}
SectionVisual sectionVisual = (SectionVisual)children2[0];
ColumnPropertiesGroup columnProperties = new ColumnPropertiesGroup(base.Paragraph.Element);
sectionVisual.DrawColumnRules(ref array, TextDpi.FromTextDpi(fssubpagedetails.u.complex.fsrc.v), TextDpi.FromTextDpi(fssubpagedetails.u.complex.fsrc.dv), columnProperties);
children2 = sectionVisual.Children;
if (fskupdInherited == PTS.FSKUPDATE.fskupdNew)
{
children2.Clear();
for (int i = 0; i < array.Length; i++)
{
children2.Add(new ContainerVisual());
}
}
ErrorHandler.Assert(children2.Count == array.Length, ErrorHandler.ColumnVisualCountMismatch);
for (int j = 0; j < array.Length; j++)
{
ContainerVisual containerVisual4 = (ContainerVisual)children2[j];
PtsHelper.UpdateTrackVisuals(base.PtsContext, containerVisual4.Children, fskupdInherited, ref array[j]);
}
}
}
if (flag)
{
this._visual.Children.Clear();
}
}
containerVisual.Offset = new PTS.FSVECTOR(this.ContentRect.u, this.ContentRect.v).FromTextDpi();
containerVisual2.Offset = new PTS.FSVECTOR(this.ContentRect.u, this.ContentRect.v).FromTextDpi();
PTS.FSRECT fsrect = new PTS.FSRECT(this._paddingRect.u - this._contentRect.u, this._paddingRect.v - this._contentRect.v, this._paddingRect.du, this._paddingRect.dv);
PtsHelper.ClipChildrenToRect(this._visual, fsrect.FromTextDpi());
PtsHelper.UpdateFloatingElementVisuals(containerVisual2, this._pageContextOfThisPage.FloatingElementList);
}
