internal void UpdateBottomlessPara(
IntPtr pfspara, // IN: pointer to the para data
ContainerParaClient paraClient, // IN:
int iArea, // IN: column-span area index
IntPtr pfsgeom, // IN: pointer to geometry
int fSuppressTopSpace, // IN: suppress empty space at the top of the page
uint fswdir, // IN: current direction
int urTrack, // IN: u of bootomless rectangle to fill
int durTrack, // IN: du of bootomless rectangle to fill
int vrTrack, // IN: v of bootomless rectangle to fill
MarginCollapsingState mcs, // IN: input margin collapsing state
PTS.FSKCLEAR fskclearIn, // IN: clear property that must be satisfied
int fInterruptable, // IN: formatting can be interrupted
out PTS.FSFMTRBL fsfmtrbl, // OUT: result of formatting the paragraph
out int dvrUsed, // OUT: vertical space used by the para
out PTS.FSBBOX fsbbox, // OUT: para BBox
out IntPtr pmcsclientOut, // OUT: margin collapsing state at the bottom
out PTS.FSKCLEAR fskclearOut, // OUT: ClearIn for the next paragraph
out int dvrTopSpace, // OUT: top space due to collapsed margin
out int fPageBecomesUninterruptable)// OUT: interruption is prohibited from now on
{
uint fswdirSubtrack = PTS.FlowDirectionToFswdir(((FlowDirection)Element.GetValue(FrameworkElement.FlowDirectionProperty)));
Debug.Assert(iArea == 0);
// Top margin collapsing.
int marginTop;
MarginCollapsingState mcsContainer;
MbpInfo mbp = MbpInfo.FromElement(Element);
MarginCollapsingState.CollapseTopMargin(PtsContext, mbp, mcs, out mcsContainer, out marginTop);
if (PTS.ToBoolean(fSuppressTopSpace))
{
marginTop = 0;
}
// Set clear property
Invariant.Assert(Element is Block || Element is ListItem);
fskclearIn = PTS.WrapDirectionToFskclear((WrapDirection)Element.GetValue(Block.ClearFloatersProperty));
if(fswdirSubtrack != fswdir)
{
PTS.FSRECT fsrcToFillSubtrack = new PTS.FSRECT(urTrack, 0, durTrack, 0);
PTS.FSRECT pageRect = StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformRectangle(fswdir, ref pageRect, ref fsrcToFillSubtrack, fswdirSubtrack, out fsrcToFillSubtrack));
urTrack = fsrcToFillSubtrack.u;
durTrack = fsrcToFillSubtrack.du;
mbp.MirrorMargin();
}
// Take into accound MBPs and modify subtrack metrics,
// and make sure that subtrack is at least 1 unit wide (cannot measure at width <= 0)
int urSubtrack, durSubtrack, vrSubtrack;
int dvrSubTrackTopSpace = 0;
urSubtrack = Math.Max(Math.Min(urTrack + mbp.MBPLeft, urTrack + durTrack - 1), urTrack);
durSubtrack = Math.Max(durTrack - (mbp.MBPLeft + mbp.MBPRight), 0);
vrSubtrack = vrTrack + (marginTop + mbp.BPTop);
// Format subtrack
try
{
PTS.Validate(PTS.FsUpdateBottomlessSubtrack(PtsContext.Context, pfspara, this.Handle, iArea,
pfsgeom, fSuppressTopSpace, fswdirSubtrack, urSubtrack, durSubtrack, vrSubtrack,
(mcsContainer != null) ? mcsContainer.Handle : IntPtr.Zero, fskclearIn, fInterruptable,
out fsfmtrbl, out dvrUsed, out fsbbox, out pmcsclientOut,
out fskclearOut, out dvrSubTrackTopSpace, out fPageBecomesUninterruptable), PtsContext);
}
finally
{
// Destroy top margin collapsing state (not needed anymore).
if (mcsContainer != null)
{
mcsContainer.Dispose();
mcsContainer = null;
}
}
if (fsfmtrbl != PTS.FSFMTRBL.fmtrblCollision)
{
// Bottom margin collapsing:
// (1) retrieve mcs from the subtrack
// (2) do margin collapsing; create a new margin collapsing state
if (pmcsclientOut != IntPtr.Zero)
{
mcsContainer = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcsContainer);
pmcsclientOut = IntPtr.Zero;
}
int marginBottom;
MarginCollapsingState mcsNew;
MarginCollapsingState.CollapseBottomMargin(PtsContext, mbp, mcsContainer, out mcsNew, out marginBottom);
pmcsclientOut = (mcsNew != null) ? mcsNew.Handle : IntPtr.Zero;
// Since MCS returned by PTS is never passed back, destroy MCS provided by PTS.
// If necessary, new MCS is created and passed back to PTS.
if (mcsContainer != null)
{
mcsContainer.Dispose();
mcsContainer = null;
}
// Take into accound MBPs and modify subtrack metrics
dvrTopSpace = (mbp.BPTop != 0) ? marginTop : dvrSubTrackTopSpace;
dvrUsed += (vrSubtrack - vrTrack) + marginBottom + mbp.BPBottom;
}
else
{
Debug.Assert(pmcsclientOut == IntPtr.Zero);
pfspara = IntPtr.Zero;
dvrTopSpace = 0;
}
// Adjust fsbbox to account for margins
fsbbox.fsrc.u -= mbp.MBPLeft;
fsbbox.fsrc.du += mbp.MBPLeft + mbp.MBPRight;
if(fswdirSubtrack != fswdir)
{
PTS.FSRECT pageRect = StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformBbox(fswdirSubtrack, ref pageRect, ref fsbbox, fswdir, out fsbbox));
}
// Update information about first/last chunk. In bottomless scenario
// paragraph is not broken, so there is only one chunk.
paraClient.SetChunkInfo(true, true);
}
internal void UpdateBottomlessPara(IntPtr pfspara, ContainerParaClient paraClient, int iArea, IntPtr pfsgeom, int fSuppressTopSpace, uint fswdir, int urTrack, int durTrack, int vrTrack, MarginCollapsingState mcs, PTS.FSKCLEAR fskclearIn, int fInterruptable, out PTS.FSFMTRBL fsfmtrbl, out int dvrUsed, out PTS.FSBBOX fsbbox, out IntPtr pmcsclientOut, out PTS.FSKCLEAR fskclearOut, out int dvrTopSpace, out int fPageBecomesUninterruptable)
{
uint num = PTS.FlowDirectionToFswdir((FlowDirection)base.Element.GetValue(FrameworkElement.FlowDirectionProperty));
MbpInfo mbpInfo = MbpInfo.FromElement(base.Element, base.StructuralCache.TextFormatterHost.PixelsPerDip);
MarginCollapsingState marginCollapsingState;
int num2;
MarginCollapsingState.CollapseTopMargin(base.PtsContext, mbpInfo, mcs, out marginCollapsingState, out num2);
if (PTS.ToBoolean(fSuppressTopSpace))
{
num2 = 0;
}
Invariant.Assert(base.Element is Block || base.Element is ListItem);
fskclearIn = PTS.WrapDirectionToFskclear((WrapDirection)base.Element.GetValue(Block.ClearFloatersProperty));
if (num != fswdir)
{
PTS.FSRECT fsrect = new PTS.FSRECT(urTrack, 0, durTrack, 0);
PTS.FSRECT pageRect = base.StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformRectangle(fswdir, ref pageRect, ref fsrect, num, out fsrect));
urTrack = fsrect.u;
durTrack = fsrect.du;
mbpInfo.MirrorMargin();
}
int num3 = 0;
int ur = Math.Max(Math.Min(urTrack + mbpInfo.MBPLeft, urTrack + durTrack - 1), urTrack);
int dur = Math.Max(durTrack - (mbpInfo.MBPLeft + mbpInfo.MBPRight), 0);
int num4 = vrTrack + (num2 + mbpInfo.BPTop);
try
{
PTS.Validate(PTS.FsUpdateBottomlessSubtrack(base.PtsContext.Context, pfspara, base.Handle, iArea, pfsgeom, fSuppressTopSpace, num, ur, dur, num4, (marginCollapsingState != null) ? marginCollapsingState.Handle : IntPtr.Zero, fskclearIn, fInterruptable, out fsfmtrbl, out dvrUsed, out fsbbox, out pmcsclientOut, out fskclearOut, out num3, out fPageBecomesUninterruptable), base.PtsContext);
}
finally
{
if (marginCollapsingState != null)
{
marginCollapsingState.Dispose();
marginCollapsingState = null;
}
}
if (fsfmtrbl != PTS.FSFMTRBL.fmtrblCollision)
{
if (pmcsclientOut != IntPtr.Zero)
{
marginCollapsingState = (base.PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState);
PTS.ValidateHandle(marginCollapsingState);
pmcsclientOut = IntPtr.Zero;
}
MarginCollapsingState marginCollapsingState2;
int num5;
MarginCollapsingState.CollapseBottomMargin(base.PtsContext, mbpInfo, marginCollapsingState, out marginCollapsingState2, out num5);
pmcsclientOut = ((marginCollapsingState2 != null) ? marginCollapsingState2.Handle : IntPtr.Zero);
if (marginCollapsingState != null)
{
marginCollapsingState.Dispose();
marginCollapsingState = null;
}
dvrTopSpace = ((mbpInfo.BPTop != 0) ? num2 : num3);
dvrUsed += num4 - vrTrack + num5 + mbpInfo.BPBottom;
}
else
{
pfspara = IntPtr.Zero;
dvrTopSpace = 0;
}
fsbbox.fsrc.u = fsbbox.fsrc.u - mbpInfo.MBPLeft;
fsbbox.fsrc.du = fsbbox.fsrc.du + (mbpInfo.MBPLeft + mbpInfo.MBPRight);
if (num != fswdir)
{
PTS.FSRECT pageRect2 = base.StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformBbox(num, ref pageRect2, ref fsbbox, fswdir, out fsbbox));
}
paraClient.SetChunkInfo(true, true);
}
internal void FormatParaFinite(
ContainerParaClient paraClient, // IN:
IntPtr pbrkrecIn, // IN: break record---use if !IntPtr.Zero
int fBRFromPreviousPage, // IN: break record was created on previous page
int iArea, // IN: column-span area index
IntPtr footnoteRejector, // IN:
IntPtr geometry, // IN: pointer to geometry
int fEmptyOk, // IN: is it OK not to add anything?
int fSuppressTopSpace, // IN: suppress empty space at the top of the page
uint fswdir, // IN: current direction
ref PTS.FSRECT fsrcToFill, // IN: rectangle to fill
MarginCollapsingState mcs, // IN: input margin collapsing state
PTS.FSKCLEAR fskclearIn, // IN: clear property that must be satisfied
PTS.FSKSUPPRESSHARDBREAKBEFOREFIRSTPARA fsksuppresshardbreakbeforefirstparaIn,
// IN: suppress breaks at track start?
out PTS.FSFMTR fsfmtr, // OUT: result of formatting the paragraph
out IntPtr pfspara, // OUT: pointer to the para data
out IntPtr pbrkrecOut, // OUT: pointer to the para break record
out int dvrUsed, // OUT: vertical space used by the para
out PTS.FSBBOX fsbbox, // OUT: para BBox
out IntPtr pmcsclientOut, // OUT: margin collapsing state at the bottom
out PTS.FSKCLEAR fskclearOut, // OUT: ClearIn for the next paragraph
out int dvrTopSpace) // OUT: top space due to collapsed margin
{
uint fswdirSubtrack = PTS.FlowDirectionToFswdir(((FlowDirection)Element.GetValue(FrameworkElement.FlowDirectionProperty)));
Debug.Assert(iArea == 0);
// Currently it is possible to get MCS and BR in following situation:
// At the end of the page there is a paragraph with delayed figure, so the figure
// gets delayed to the next page. But part of the next paragraph fits in the page,
// so it gets broken. PTS creates BR with delayed figure and broken para.
// PTS will format the next page starting from delayed figure, which can produce MCS.
// So when the next paragraph is continued from BR, it has MCS.
// This problem is currently investigated by PTS team: PTSLS bug 915.
// For now, MCS gets ignored here.
//ErrorHandler.Assert(pbrkrecIn == IntPtr.Zero || mcs == null, ErrorHandler.BrokenParaHasMcs);
if (mcs != null && pbrkrecIn != IntPtr.Zero)
{
mcs = null;
}
int marginTop = 0;
int marginBottom = 0;
MarginCollapsingState mcsContainer = null;
// Set clear property
Invariant.Assert(Element is Block || Element is ListItem);
fskclearIn = PTS.WrapDirectionToFskclear((WrapDirection)Element.GetValue(Block.ClearFloatersProperty));
// Take into accound MBPs and modify subtrack metrics,
// and make sure that subtrack is at least 1 unit wide (cannot measure at width <= 0)
PTS.FSRECT fsrcToFillSubtrack = fsrcToFill;
MbpInfo mbp = MbpInfo.FromElement(Element);
if(fswdirSubtrack != fswdir)
{
PTS.FSRECT pageRect = StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformRectangle(fswdir, ref pageRect, ref fsrcToFillSubtrack, fswdirSubtrack, out fsrcToFillSubtrack));
PTS.Validate(PTS.FsTransformRectangle(fswdir, ref pageRect, ref fsrcToFill, fswdirSubtrack, out fsrcToFill));
mbp.MirrorMargin();
}
fsrcToFillSubtrack.u += mbp.MBPLeft;
fsrcToFillSubtrack.du -= mbp.MBPLeft + mbp.MBPRight;
fsrcToFillSubtrack.u = Math.Max(Math.Min(fsrcToFillSubtrack.u, fsrcToFill.u + fsrcToFill.du - 1), fsrcToFill.u);
fsrcToFillSubtrack.du = Math.Max(fsrcToFillSubtrack.du, 0);
if (pbrkrecIn == IntPtr.Zero)
{
// Top margin collapsing. If suppresing top space, top margin is always 0.
MarginCollapsingState.CollapseTopMargin(PtsContext, mbp, mcs, out mcsContainer, out marginTop);
if (PTS.ToBoolean(fSuppressTopSpace))
{
marginTop = 0;
}
fsrcToFillSubtrack.v += marginTop + mbp.BPTop;
fsrcToFillSubtrack.dv -= marginTop + mbp.BPTop;
fsrcToFillSubtrack.v = Math.Max(Math.Min(fsrcToFillSubtrack.v, fsrcToFill.v + fsrcToFill.dv - 1), fsrcToFill.v);
fsrcToFillSubtrack.dv = Math.Max(fsrcToFillSubtrack.dv, 0);
}
// Format subtrack
int dvrSubTrackTopSpace = 0;
try
{
PTS.Validate(PTS.FsFormatSubtrackFinite(PtsContext.Context, pbrkrecIn, fBRFromPreviousPage, this.Handle, iArea,
footnoteRejector, geometry, fEmptyOk, fSuppressTopSpace, fswdirSubtrack, ref fsrcToFillSubtrack,
(mcsContainer != null) ? mcsContainer.Handle : IntPtr.Zero, fskclearIn,
fsksuppresshardbreakbeforefirstparaIn,
out fsfmtr, out pfspara, out pbrkrecOut, out dvrUsed, out fsbbox, out pmcsclientOut, out fskclearOut,
out dvrSubTrackTopSpace), PtsContext);
}
finally
{
// Destroy top margin collapsing state (not needed anymore).
if (mcsContainer != null)
{
mcsContainer.Dispose();
mcsContainer = null;
}
//
if (dvrSubTrackTopSpace > PTS.dvBottomUndefined / 2)
{
dvrSubTrackTopSpace = 0;
}
}
// Take into accound MBPs and modify subtrack metrics
dvrTopSpace = (mbp.BPTop != 0) ? marginTop : dvrSubTrackTopSpace;
dvrUsed += (fsrcToFillSubtrack.v - fsrcToFill.v);
// Initialize subtrack metrics
if (fsfmtr.kstop >= PTS.FSFMTRKSTOP.fmtrNoProgressOutOfSpace) // No progress or collision
{
dvrUsed = 0;
}
// Since MCS returned by PTS is never passed back, destroy MCS provided by PTS.
// If necessary, new MCS is created and passed back to PTS.
if (pmcsclientOut != IntPtr.Zero)
{
mcsContainer = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcsContainer);
pmcsclientOut = IntPtr.Zero;
}
if (fsfmtr.kstop == PTS.FSFMTRKSTOP.fmtrGoalReached)
{
// Bottom margin collapsing:
// (a) retrieve mcs from the subtrack
// (b) do margin collapsing; create a new margin collapsing state
// There is no bottom margin collapsing if paragraph will be continued (output break record is not null).
MarginCollapsingState mcsNew = null;
MarginCollapsingState.CollapseBottomMargin(PtsContext, mbp, mcsContainer, out mcsNew, out marginBottom);
pmcsclientOut = (mcsNew != null) ? mcsNew.Handle : IntPtr.Zero;
// If we exceed fill rectangle after adding bottom border and padding, clip them
dvrUsed += marginBottom + mbp.BPBottom;
dvrUsed = Math.Min(fsrcToFill.dv, dvrUsed);
}
// Since MCS returned by PTS is never passed back, destroy MCS provided by PTS.
// If necessary, new MCS is created and passed back to PTS.
if (mcsContainer != null)
{
mcsContainer.Dispose();
mcsContainer = null;
}
// Adjust fsbbox to account for margins
fsbbox.fsrc.u -= mbp.MBPLeft;
fsbbox.fsrc.du += mbp.MBPLeft + mbp.MBPRight;
if(fswdirSubtrack != fswdir)
{
PTS.FSRECT pageRect = StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformBbox(fswdirSubtrack, ref pageRect, ref fsbbox, fswdir, out fsbbox));
}
// Update information about first/last chunk
paraClient.SetChunkInfo(pbrkrecIn == IntPtr.Zero, pbrkrecOut == IntPtr.Zero);
}
internal void FormatParaFinite(ContainerParaClient paraClient, IntPtr pbrkrecIn, int fBRFromPreviousPage, int iArea, IntPtr footnoteRejector, IntPtr geometry, int fEmptyOk, int fSuppressTopSpace, uint fswdir, ref PTS.FSRECT fsrcToFill, MarginCollapsingState mcs, PTS.FSKCLEAR fskclearIn, PTS.FSKSUPPRESSHARDBREAKBEFOREFIRSTPARA fsksuppresshardbreakbeforefirstparaIn, out PTS.FSFMTR fsfmtr, out IntPtr pfspara, out IntPtr pbrkrecOut, out int dvrUsed, out PTS.FSBBOX fsbbox, out IntPtr pmcsclientOut, out PTS.FSKCLEAR fskclearOut, out int dvrTopSpace)
{
uint num = PTS.FlowDirectionToFswdir((FlowDirection)base.Element.GetValue(FrameworkElement.FlowDirectionProperty));
if (mcs != null && pbrkrecIn != IntPtr.Zero)
{
mcs = null;
}
int num2 = 0;
int num3 = 0;
MarginCollapsingState marginCollapsingState = null;
Invariant.Assert(base.Element is Block || base.Element is ListItem);
fskclearIn = PTS.WrapDirectionToFskclear((WrapDirection)base.Element.GetValue(Block.ClearFloatersProperty));
PTS.FSRECT fsrect = fsrcToFill;
MbpInfo mbpInfo = MbpInfo.FromElement(base.Element, base.StructuralCache.TextFormatterHost.PixelsPerDip);
if (num != fswdir)
{
PTS.FSRECT pageRect = base.StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformRectangle(fswdir, ref pageRect, ref fsrect, num, out fsrect));
PTS.Validate(PTS.FsTransformRectangle(fswdir, ref pageRect, ref fsrcToFill, num, out fsrcToFill));
mbpInfo.MirrorMargin();
}
fsrect.u += mbpInfo.MBPLeft;
fsrect.du -= mbpInfo.MBPLeft + mbpInfo.MBPRight;
fsrect.u = Math.Max(Math.Min(fsrect.u, fsrcToFill.u + fsrcToFill.du - 1), fsrcToFill.u);
fsrect.du = Math.Max(fsrect.du, 0);
if (pbrkrecIn == IntPtr.Zero)
{
MarginCollapsingState.CollapseTopMargin(base.PtsContext, mbpInfo, mcs, out marginCollapsingState, out num2);
if (PTS.ToBoolean(fSuppressTopSpace))
{
num2 = 0;
}
fsrect.v += num2 + mbpInfo.BPTop;
fsrect.dv -= num2 + mbpInfo.BPTop;
fsrect.v = Math.Max(Math.Min(fsrect.v, fsrcToFill.v + fsrcToFill.dv - 1), fsrcToFill.v);
fsrect.dv = Math.Max(fsrect.dv, 0);
}
int num4 = 0;
try
{
PTS.Validate(PTS.FsFormatSubtrackFinite(base.PtsContext.Context, pbrkrecIn, fBRFromPreviousPage, base.Handle, iArea, footnoteRejector, geometry, fEmptyOk, fSuppressTopSpace, num, ref fsrect, (marginCollapsingState != null) ? marginCollapsingState.Handle : IntPtr.Zero, fskclearIn, fsksuppresshardbreakbeforefirstparaIn, out fsfmtr, out pfspara, out pbrkrecOut, out dvrUsed, out fsbbox, out pmcsclientOut, out fskclearOut, out num4), base.PtsContext);
}
finally
{
if (marginCollapsingState != null)
{
marginCollapsingState.Dispose();
marginCollapsingState = null;
}
if (num4 > 1073741823)
{
num4 = 0;
}
}
dvrTopSpace = ((mbpInfo.BPTop != 0) ? num2 : num4);
dvrUsed += fsrect.v - fsrcToFill.v;
if (fsfmtr.kstop >= PTS.FSFMTRKSTOP.fmtrNoProgressOutOfSpace)
{
dvrUsed = 0;
}
if (pmcsclientOut != IntPtr.Zero)
{
marginCollapsingState = (base.PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState);
PTS.ValidateHandle(marginCollapsingState);
pmcsclientOut = IntPtr.Zero;
}
if (fsfmtr.kstop == PTS.FSFMTRKSTOP.fmtrGoalReached)
{
MarginCollapsingState marginCollapsingState2 = null;
MarginCollapsingState.CollapseBottomMargin(base.PtsContext, mbpInfo, marginCollapsingState, out marginCollapsingState2, out num3);
pmcsclientOut = ((marginCollapsingState2 != null) ? marginCollapsingState2.Handle : IntPtr.Zero);
dvrUsed += num3 + mbpInfo.BPBottom;
dvrUsed = Math.Min(fsrcToFill.dv, dvrUsed);
}
if (marginCollapsingState != null)
{
marginCollapsingState.Dispose();
marginCollapsingState = null;
}
fsbbox.fsrc.u = fsbbox.fsrc.u - mbpInfo.MBPLeft;
fsbbox.fsrc.du = fsbbox.fsrc.du + (mbpInfo.MBPLeft + mbpInfo.MBPRight);
if (num != fswdir)
{
PTS.FSRECT pageRect2 = base.StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformBbox(num, ref pageRect2, ref fsbbox, fswdir, out fsbbox));
}
paraClient.SetChunkInfo(pbrkrecIn == IntPtr.Zero, pbrkrecOut == IntPtr.Zero);
}