internal override void FormatFloaterContentBottomless(FloaterBaseParaClient paraClient, int fSuppressTopSpace, uint fswdir, int fAtMaxWidth, int durAvailable, int dvrAvailable, out PTS.FSFMTRBL fsfmtrbl, out IntPtr pfsFloatContent, out int durFloaterWidth, out int dvrFloaterHeight, out PTS.FSBBOX fsbbox, out int cPolygons, out int cVertices)
{
uint num = PTS.FlowDirectionToFswdir((FlowDirection)base.Element.GetValue(FrameworkElement.FlowDirectionProperty));
Invariant.Assert(paraClient is FloaterParaClient);
if (this.IsFloaterRejected(PTS.ToBoolean(fAtMaxWidth), TextDpi.FromTextDpi(durAvailable)))
{
durFloaterWidth = durAvailable + 1;
dvrFloaterHeight = dvrAvailable + 1;
cPolygons = (cVertices = 0);
fsfmtrbl = PTS.FSFMTRBL.fmtrblInterrupted;
fsbbox = default(PTS.FSBBOX);
fsbbox.fDefined = 0;
pfsFloatContent = IntPtr.Zero;
}
else
{
MbpInfo mbpInfo = MbpInfo.FromElement(base.Element, base.StructuralCache.TextFormatterHost.PixelsPerDip);
double num2 = this.CalculateWidth(TextDpi.FromTextDpi(durAvailable));
int num3;
this.AdjustDurAvailable(num2, ref durAvailable, out num3);
int durMargin = num3;
int urMargin;
int vrMargin = urMargin = 0;
int num4 = 1;
PTS.FSCOLUMNINFO[] array = new PTS.FSCOLUMNINFO[num4];
array[0].durBefore = 0;
array[0].durWidth = num3;
this.InvalidateMainTextSegment();
IntPtr zero;
int num5;
int num6;
this.CreateSubpageBottomlessHelper(base.PtsContext, this._mainTextSegment.Handle, 1, fswdir, num3, urMargin, durMargin, vrMargin, num4, array, out fsfmtrbl, out pfsFloatContent, out dvrFloaterHeight, out fsbbox, out zero, out num5, out num6);
if (fsfmtrbl != PTS.FSFMTRBL.fmtrblCollision)
{
if (PTS.ToBoolean(fsbbox.fDefined))
{
if (fsbbox.fsrc.du < num3 && double.IsNaN(num2) && this.HorizontalAlignment != HorizontalAlignment.Stretch)
{
if (pfsFloatContent != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpage(base.PtsContext.Context, pfsFloatContent), base.PtsContext);
}
if (zero != IntPtr.Zero)
{
MarginCollapsingState marginCollapsingState = base.PtsContext.HandleToObject(zero) as MarginCollapsingState;
PTS.ValidateHandle(marginCollapsingState);
marginCollapsingState.Dispose();
zero = IntPtr.Zero;
}
durMargin = (num3 = fsbbox.fsrc.du + 1);
array[0].durWidth = num3;
this.CreateSubpageBottomlessHelper(base.PtsContext, this._mainTextSegment.Handle, 1, fswdir, num3, urMargin, durMargin, vrMargin, num4, array, out fsfmtrbl, out pfsFloatContent, out dvrFloaterHeight, out fsbbox, out zero, out num5, out num6);
}
}
else
{
num3 = TextDpi.ToTextDpi(TextDpi.MinWidth);
}
if (zero != IntPtr.Zero)
{
MarginCollapsingState marginCollapsingState2 = base.PtsContext.HandleToObject(zero) as MarginCollapsingState;
PTS.ValidateHandle(marginCollapsingState2);
marginCollapsingState2.Dispose();
zero = IntPtr.Zero;
}
durFloaterWidth = num3 + mbpInfo.MBPLeft + mbpInfo.MBPRight;
dvrFloaterHeight += mbpInfo.MBPTop + mbpInfo.MBPBottom;
if (dvrFloaterHeight > dvrAvailable || (durFloaterWidth > durAvailable && !PTS.ToBoolean(fAtMaxWidth)))
{
if (pfsFloatContent != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpage(base.PtsContext.Context, pfsFloatContent), base.PtsContext);
}
cPolygons = (cVertices = 0);
pfsFloatContent = IntPtr.Zero;
}
else
{
fsbbox.fsrc.u = 0;
fsbbox.fsrc.v = 0;
fsbbox.fsrc.du = durFloaterWidth;
fsbbox.fsrc.dv = dvrFloaterHeight;
cPolygons = (cVertices = 0);
}
}
else
{
durFloaterWidth = (dvrFloaterHeight = 0);
cPolygons = (cVertices = 0);
pfsFloatContent = IntPtr.Zero;
}
}
((FloaterParaClient)paraClient).SubpageHandle = pfsFloatContent;
}
internal override void FormatFloaterContentBottomless(
FloaterBaseParaClient paraClient, // IN:
int fSuppressTopSpace, // IN: suppress empty space at the top of the page
uint fswdir, // IN: direction of track
int fAtMaxWidth, // IN: formating is at full width of column
int durAvailable, // IN: width of available space
int dvrAvailable, // IN: height of available space
out PTS.FSFMTRBL fsfmtrbl, // OUT: result of formatting
out IntPtr pfsFloatContent, // OUT: opaque for PTS pointer pointer to formatted content
out int durFloaterWidth, // OUT: floater width
out int dvrFloaterHeight, // OUT: floater height
out PTS.FSBBOX fsbbox, // OUT: floater bbox
out int cPolygons, // OUT: number of polygons
out int cVertices) // OUT: total number of vertices in all polygons
{
uint fswdirPara = PTS.FlowDirectionToFswdir(((FlowDirection)Element.GetValue(FrameworkElement.FlowDirectionProperty)));
Invariant.Assert(paraClient is FloaterParaClient);
int subpageWidth, urSubpageMargin, durSubpageMargin, vrSubpageMargin;
int dvrTopSpace, fPageBecomesUninterruptable;
int cColumns;
PTS.FSCOLUMNINFO[] columnInfoCollection;
IntPtr pmcsclientOut;
MbpInfo mbp;
double specifiedWidth;
// If horizontal alignment is Stretch and we are not formatting at max width,
// we cannot proceed.
if (IsFloaterRejected(PTS.ToBoolean(fAtMaxWidth), TextDpi.FromTextDpi(durAvailable)))
{
// Set foater width, height to be greater than available values to signal to PTS that floater does not fit in the space
durFloaterWidth = durAvailable + 1;
dvrFloaterHeight = dvrAvailable + 1;
cPolygons = cVertices = 0;
fsfmtrbl = PTS.FSFMTRBL.fmtrblInterrupted;
fsbbox = new PTS.FSBBOX();
fsbbox.fDefined = PTS.False;
pfsFloatContent = IntPtr.Zero;
}
else
{
// Initialize the subpage size. PTS subpage margin is always set to 0 for Floaters.
// If width on floater is specified, use the specified value.
// Margin, border and padding of the floater is extracted from available subpage width.
mbp = MbpInfo.FromElement(Element);
specifiedWidth = CalculateWidth(TextDpi.FromTextDpi(durAvailable));
AdjustDurAvailable(specifiedWidth, ref durAvailable, out subpageWidth);
durSubpageMargin = subpageWidth;
urSubpageMargin = vrSubpageMargin = 0;
// Initialize column info. Floater always has just 1 column.
cColumns = 1;
columnInfoCollection = new PTS.FSCOLUMNINFO[cColumns];
columnInfoCollection[0].durBefore = 0;
columnInfoCollection[0].durWidth = subpageWidth;
// Create subpage
InvalidateMainTextSegment();
CreateSubpageBottomlessHelper(PtsContext, _mainTextSegment.Handle, PTS.True,
fswdir, subpageWidth, urSubpageMargin, durSubpageMargin, vrSubpageMargin,
cColumns, columnInfoCollection,
out fsfmtrbl, out pfsFloatContent, out dvrFloaterHeight, out fsbbox, out pmcsclientOut,
out dvrTopSpace, out fPageBecomesUninterruptable);
if (fsfmtrbl != PTS.FSFMTRBL.fmtrblCollision)
{
// PTS subpage does not support autosizing, but Floater needs to autosize to its
// content. To workaround this problem, second format of subpage is performed, if
// necessary. It means that if the width of bounding box is smaller than subpage's
// width, second formatting is performed.
// However, if HorizontalAlignment is set to Stretch we should not reformat because
// floater should be at full column width
if (PTS.ToBoolean(fsbbox.fDefined))
{
if (fsbbox.fsrc.du < subpageWidth && Double.IsNaN(specifiedWidth) && HorizontalAlignment != HorizontalAlignment.Stretch)
{
// There is a need to reformat PTS subpage, so destroy any resourcces allocated by PTS
// during previous formatting.
if (pfsFloatContent != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpage(PtsContext.Context, pfsFloatContent), PtsContext);
}
if (pmcsclientOut != IntPtr.Zero)
{
MarginCollapsingState mcs = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcs);
mcs.Dispose();
pmcsclientOut = IntPtr.Zero;
}
// Create subpage with new width.
subpageWidth = durSubpageMargin = fsbbox.fsrc.du + 1; // add 1/300px to avoid rounding errors
columnInfoCollection[0].durWidth = subpageWidth;
CreateSubpageBottomlessHelper(PtsContext, _mainTextSegment.Handle, PTS.True,
fswdir, subpageWidth, urSubpageMargin, durSubpageMargin, vrSubpageMargin,
cColumns, columnInfoCollection,
out fsfmtrbl, out pfsFloatContent, out dvrFloaterHeight, out fsbbox, out pmcsclientOut,
out dvrTopSpace, out fPageBecomesUninterruptable);
}
}
else
{
subpageWidth = TextDpi.ToTextDpi(TextDpi.MinWidth);
}
// Destroy objects created by PTS, but not used here.
if (pmcsclientOut != IntPtr.Zero)
{
MarginCollapsingState mcs = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcs);
mcs.Dispose();
pmcsclientOut = IntPtr.Zero;
}
// Get the size of the floater. For height PTS already reports calculated value.
// But width is the same as subpage width.
durFloaterWidth = subpageWidth + mbp.MBPLeft + mbp.MBPRight;
dvrFloaterHeight += mbp.MBPTop + mbp.MBPBottom;
// Check if floater width fits in available width. It may exceed available width because borders
// and padding are added.
if (dvrFloaterHeight > dvrAvailable ||
(durFloaterWidth > durAvailable && !PTS.ToBoolean(fAtMaxWidth))
)
{
// Get rid of any previous formatting
if (pfsFloatContent != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpage(PtsContext.Context, pfsFloatContent), PtsContext);
}
Debug.Assert(pmcsclientOut == IntPtr.Zero);
cPolygons = cVertices = 0;
pfsFloatContent = IntPtr.Zero;
}
else
{
// Width and height are OK, format floater
// Adjust bounding box to cover entire floater.
fsbbox.fsrc.u = 0;
fsbbox.fsrc.v = 0;
fsbbox.fsrc.du = durFloaterWidth;
fsbbox.fsrc.dv = dvrFloaterHeight;
// Tight wrap is disabled for now.
cPolygons = cVertices = 0;
}
}
else
{
Debug.Assert(pmcsclientOut == IntPtr.Zero);
durFloaterWidth = dvrFloaterHeight = 0;
cPolygons = cVertices = 0;
pfsFloatContent = IntPtr.Zero;
}
}
// Update handle to PTS subpage.
((FloaterParaClient)paraClient).SubpageHandle = pfsFloatContent;
}
internal void GetFigureProperties(
FigureParaClient paraClient, // IN:
int fInTextLine, // IN: it is attached to text line
uint fswdir, // IN: current direction
int fBottomUndefined, // IN: bottom of page is not defined
out int dur, // OUT: width of figure
out int dvr, // OUT: height of figure
out PTS.FSFIGUREPROPS fsfigprops, // OUT: figure attributes
out int cPolygons, // OUT: number of polygons
out int cVertices, // OUT: total number of vertices in all polygons
out int durDistTextLeft, // OUT: distance to text from MinU side
out int durDistTextRight, // OUT: distance to text from MaxU side
out int dvrDistTextTop, // OUT: distance to text from MinV side
out int dvrDistTextBottom) // OUT: distance to text from MaxV side
{
Invariant.Assert(StructuralCache.CurrentFormatContext.FinitePage);
uint fswdirPara = PTS.FlowDirectionToFswdir(((FlowDirection)Element.GetValue(FrameworkElement.FlowDirectionProperty)));
IntPtr pfsFigureContent;
PTS.FSBBOX fsbbox;
int cColumns;
int dvrTopSpace;
PTS.FSCOLUMNINFO[] columnInfoCollection;
IntPtr pmcsclientOut;
MbpInfo mbp;
Figure element = (Figure)Element;
// Initialize the subpage size. PTS subpage margin is always set to 0 for Figures.
// If width on figure is specified, use the specified value.
// Border and padding of the figure is extracted from available subpage width.
// We use StructuralCache.CurrentFormatContext's page dimensions as limiting values for figure MBP
mbp = MbpInfo.FromElement(Element);
// We do not mirror margin as it's used to dist text left and right, and is unnecessary.
durDistTextLeft = durDistTextRight = dvrDistTextTop = dvrDistTextBottom = 0;
// Calculate specified width. IsAuto flag is needed because Auto is formatted the same way as column and will
// not return Double.NaN.
bool isWidthAuto;
double specifiedWidth = FigureHelper.CalculateFigureWidth(StructuralCache, element,
element.Width,
out isWidthAuto);
double anchorLimitedWidth = LimitTotalWidthFromAnchor(specifiedWidth, TextDpi.FromTextDpi(mbp.MarginLeft + mbp.MarginRight));
int subpageWidth = Math.Max(1, TextDpi.ToTextDpi(anchorLimitedWidth) - (mbp.BPLeft + mbp.BPRight));
// Calculate figure height, IsAuto flag is used as specifiedHeight will never be NaN.
bool isHeightAuto;
double specifiedHeight = FigureHelper.CalculateFigureHeight(StructuralCache, element,
element.Height,
out isHeightAuto);
double anchorLimitedHeight = LimitTotalHeightFromAnchor(specifiedHeight, TextDpi.FromTextDpi(mbp.MarginTop + mbp.MarginBottom));
int subpageHeight = Math.Max(1, TextDpi.ToTextDpi(anchorLimitedHeight) - (mbp.BPTop + mbp.BPBottom));
// Initialize column info. Figure always has just 1 column.
cColumns = 1;
columnInfoCollection = new PTS.FSCOLUMNINFO[cColumns];
columnInfoCollection[0].durBefore = 0;
columnInfoCollection[0].durWidth = subpageWidth;
// Create subpage
{
PTS.FSFMTR fsfmtr;
IntPtr brParaOut;
PTS.FSRECT marginRect = new PTS.FSRECT(0, 0, subpageWidth, subpageHeight);
CreateSubpageFiniteHelper(PtsContext, IntPtr.Zero, PTS.False, _mainTextSegment.Handle, IntPtr.Zero, PTS.False, PTS.True,
fswdir, subpageWidth, subpageHeight, ref marginRect,
cColumns, columnInfoCollection, PTS.False,
out fsfmtr, out pfsFigureContent, out brParaOut, out dvr, out fsbbox, out pmcsclientOut,
out dvrTopSpace);
if (brParaOut != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpageBreakRecord(PtsContext.Context, brParaOut));
}
}
// PTS subpage does not support autosizing, but Figure needs to autosize to its
// content. To workaround this problem, second format of subpage is performed, if
// necessary. It means that if the width of bounding box is smaller than subpage's
// width, second formatting is performed.
if (PTS.ToBoolean(fsbbox.fDefined))
{
if (fsbbox.fsrc.du < subpageWidth && isWidthAuto)
{
// There is a need to reformat PTS subpage, so destroy any resourcces allocated by PTS
// during previous formatting.
if (pfsFigureContent != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpage(PtsContext.Context, pfsFigureContent), PtsContext);
}
if (pmcsclientOut != IntPtr.Zero)
{
MarginCollapsingState mcs = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcs);
mcs.Dispose();
pmcsclientOut = IntPtr.Zero;
}
// Create subpage with new width.
subpageWidth = fsbbox.fsrc.du + 1; // add 1/300px to avoid rounding errors
columnInfoCollection[0].durWidth = subpageWidth;
// Create subpage
PTS.FSFMTR fsfmtr;
IntPtr brParaOut;
PTS.FSRECT marginRect = new PTS.FSRECT(0, 0, subpageWidth, subpageHeight);
CreateSubpageFiniteHelper(PtsContext, IntPtr.Zero, PTS.False, _mainTextSegment.Handle, IntPtr.Zero, PTS.False, PTS.True,
fswdir, subpageWidth, subpageHeight, ref marginRect,
cColumns, columnInfoCollection, PTS.False,
out fsfmtr, out pfsFigureContent, out brParaOut, out dvr, out fsbbox, out pmcsclientOut,
out dvrTopSpace);
if (brParaOut != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpageBreakRecord(PtsContext.Context, brParaOut));
}
}
}
else
{
subpageWidth = TextDpi.ToTextDpi(TextDpi.MinWidth);
}
// Get the size of the figure. For height PTS already reports calculated value.
// But width is the same as subpage width. Include margins in dur since we are not using
// distance to text anymore.
dur = subpageWidth + mbp.MBPLeft + mbp.MBPRight;
// Destroy objects created by PTS, but not used here.
if (pmcsclientOut != IntPtr.Zero)
{
MarginCollapsingState mcs = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcs);
mcs.Dispose();
pmcsclientOut = IntPtr.Zero;
}
dvr += mbp.MBPTop + mbp.MBPBottom;
if (!isHeightAuto)
{
// Replace height with explicit height if specified, adding margins in addition to height
// Border and padding are included in specified height but margins are external
dvr = TextDpi.ToTextDpi(anchorLimitedHeight) + mbp.MarginTop + mbp.MarginBottom;
}
FigureHorizontalAnchor horzAnchor = element.HorizontalAnchor;
FigureVerticalAnchor vertAnchor = element.VerticalAnchor;
fsfigprops.fskrefU = (PTS.FSKREF)(((int)horzAnchor) / 3);
fsfigprops.fskrefV = (PTS.FSKREF)(((int)vertAnchor) / 3);
fsfigprops.fskalfU = (PTS.FSKALIGNFIG)(((int)horzAnchor) % 3);
fsfigprops.fskalfV = (PTS.FSKALIGNFIG)(((int)vertAnchor) % 3);
// PTS does not allow to anchor delayed figures to 'Character'
if (!PTS.ToBoolean(fInTextLine))
{
if (fsfigprops.fskrefU == PTS.FSKREF.fskrefChar)
{
fsfigprops.fskrefU = PTS.FSKREF.fskrefMargin;
fsfigprops.fskalfU = PTS.FSKALIGNFIG.fskalfMin;
}
if (fsfigprops.fskrefV == PTS.FSKREF.fskrefChar)
{
fsfigprops.fskrefV = PTS.FSKREF.fskrefMargin;
fsfigprops.fskalfV = PTS.FSKALIGNFIG.fskalfMin;
}
}
// Always wrap text on both sides of the floater.
fsfigprops.fskwrap = PTS.WrapDirectionToFskwrap(element.WrapDirection);
fsfigprops.fNonTextPlane = PTS.False;
fsfigprops.fAllowOverlap = PTS.False;
fsfigprops.fDelayable = PTS.FromBoolean(element.CanDelayPlacement);
// Tight wrap is disabled for now.
cPolygons = cVertices = 0;
// Update handle to PTS subpage.
((FigureParaClient)paraClient).SubpageHandle = pfsFigureContent;
}
internal override void FormatFloaterContentFinite(
FloaterBaseParaClient paraClient, // IN:
IntPtr pbrkrecIn, // IN: break record---use if !IntPtr.Zero
int fBRFromPreviousPage, // IN: break record was created on previous page
IntPtr footnoteRejector, // IN:
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: direction of Track
int fAtMaxWidth, // IN: formating is at full width of column
int durAvailable, // IN: width of available space
int dvrAvailable, // IN: height of available space
PTS.FSKSUPPRESSHARDBREAKBEFOREFIRSTPARA fsksuppresshardbreakbeforefirstparaIn,
// IN: suppress breaks at track start?
out PTS.FSFMTR fsfmtr, // OUT: result of formatting
out IntPtr pfsFloatContent, // OUT: opaque for PTS pointer pointer to formatted content
out IntPtr pbrkrecOut, // OUT: pointer to the floater content break record
out int durFloaterWidth, // OUT: floater width
out int dvrFloaterHeight, // OUT: floater height
out PTS.FSBBOX fsbbox, // OUT: floater bbox
out int cPolygons, // OUT: number of polygons
out int cVertices) // OUT: total number of vertices in all polygons
{
uint fswdirPara = PTS.FlowDirectionToFswdir(((FlowDirection)Element.GetValue(FrameworkElement.FlowDirectionProperty)));
int subpageWidth, subpageHeight;
int dvrTopSpace;
int cColumns;
PTS.FSRECT fsrcSubpageMargin;
PTS.FSCOLUMNINFO[] columnInfoCollection;
IntPtr pmcsclientOut;
double specifiedWidth;
MbpInfo mbp;
Invariant.Assert(paraClient is FloaterParaClient);
// If horizontal alignment is Stretch and we are not formatting at max width,
// we cannot proceed.
if (IsFloaterRejected(PTS.ToBoolean(fAtMaxWidth), TextDpi.FromTextDpi(durAvailable)))
{
durFloaterWidth = dvrFloaterHeight = 0;
cPolygons = cVertices = 0;
fsfmtr = new PTS.FSFMTR();
fsfmtr.kstop = PTS.FSFMTRKSTOP.fmtrNoProgressOutOfSpace;
fsfmtr.fContainsItemThatStoppedBeforeFootnote = PTS.False;
fsfmtr.fForcedProgress = PTS.False;
fsbbox = new PTS.FSBBOX();
fsbbox.fDefined = PTS.False;
pbrkrecOut = IntPtr.Zero;
pfsFloatContent = IntPtr.Zero;
}
else
{
// When formatting bottomless page, PTS may format paragraphs as finite. This happens
// in case of multiple columns. In this case make sure that height is not too big.
if (!StructuralCache.CurrentFormatContext.FinitePage)
{
if (Double.IsInfinity(StructuralCache.CurrentFormatContext.PageHeight))
{
if (dvrAvailable > PTS.dvBottomUndefined / 2)
{
dvrAvailable = Math.Min(dvrAvailable, PTS.dvBottomUndefined / 2);
fEmptyOk = PTS.False;
}
}
else
{
dvrAvailable = Math.Min(dvrAvailable, TextDpi.ToTextDpi(StructuralCache.CurrentFormatContext.PageHeight));
}
}
// Initialize the subpage size. PTS subpage margin is always set to 0 for Floaters.
// If width on floater is specified, use the specified value.
// Margin, border and padding of the floater is extracted from available subpage height
mbp = MbpInfo.FromElement(Element);
// We do not mirror margin as it's used to dist text left and right, and is unnecessary.
// Clip Floater.Width to available width
specifiedWidth = CalculateWidth(TextDpi.FromTextDpi(durAvailable));
AdjustDurAvailable(specifiedWidth, ref durAvailable, out subpageWidth);
subpageHeight = Math.Max(1, dvrAvailable - (mbp.MBPTop + mbp.MBPBottom));
fsrcSubpageMargin = new PTS.FSRECT();
fsrcSubpageMargin.du = subpageWidth;
fsrcSubpageMargin.dv = subpageHeight;
// Initialize column info. Floater always has just 1 column.
cColumns = 1;
columnInfoCollection = new PTS.FSCOLUMNINFO[cColumns];
columnInfoCollection[0].durBefore = 0;
columnInfoCollection[0].durWidth = subpageWidth;
// Format subpage
CreateSubpageFiniteHelper(PtsContext, pbrkrecIn, fBRFromPreviousPage, _mainTextSegment.Handle,
footnoteRejector, fEmptyOk, PTS.True, fswdir, subpageWidth, subpageHeight,
ref fsrcSubpageMargin, cColumns, columnInfoCollection, PTS.False, fsksuppresshardbreakbeforefirstparaIn,
out fsfmtr, out pfsFloatContent,
out pbrkrecOut, out dvrFloaterHeight, out fsbbox, out pmcsclientOut, out dvrTopSpace);
// Initialize subpage metrics
if (fsfmtr.kstop >= PTS.FSFMTRKSTOP.fmtrNoProgressOutOfSpace) // No progress or collision
{
Debug.Assert(pmcsclientOut == IntPtr.Zero);
durFloaterWidth = dvrFloaterHeight = 0;
cPolygons = cVertices = 0;
//pbrkrecpara = IntPtr.Zero;
}
else
{
// PTS subpage does not support autosizing, but Floater needs to autosize to its
// content. To workaround this problem, second format of subpage is performed, if
// necessary. It means that if the width of bounding box is smaller than subpage's
// width, second formatting is performed.
// However, if HorizontalAlignment is set to Stretch we should not reformat because floater
// should be at max width
if (PTS.ToBoolean(fsbbox.fDefined))
{
if (fsbbox.fsrc.du < subpageWidth && Double.IsNaN(specifiedWidth) && HorizontalAlignment != HorizontalAlignment.Stretch)
{
// There is a need to reformat PTS subpage, so destroy any resourcces allocated by PTS
// during previous formatting.
if (pfsFloatContent != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpage(PtsContext.Context, pfsFloatContent), PtsContext);
pfsFloatContent = IntPtr.Zero;
}
if (pbrkrecOut != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpageBreakRecord(PtsContext.Context, pbrkrecOut), PtsContext);
pbrkrecOut = IntPtr.Zero;
}
if (pmcsclientOut != IntPtr.Zero)
{
MarginCollapsingState mcs = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcs);
mcs.Dispose();
pmcsclientOut = IntPtr.Zero;
}
// Create subpage with new width.
subpageWidth = fsbbox.fsrc.du + 1; // add 1/300px to avoid rounding errors
fsrcSubpageMargin.du = subpageWidth;
fsrcSubpageMargin.dv = subpageHeight;
columnInfoCollection[0].durWidth = subpageWidth;
CreateSubpageFiniteHelper(PtsContext, pbrkrecIn, fBRFromPreviousPage, _mainTextSegment.Handle,
footnoteRejector, fEmptyOk, PTS.True, fswdir, subpageWidth, subpageHeight,
ref fsrcSubpageMargin, cColumns, columnInfoCollection, PTS.False, fsksuppresshardbreakbeforefirstparaIn,
out fsfmtr, out pfsFloatContent,
out pbrkrecOut, out dvrFloaterHeight, out fsbbox, out pmcsclientOut, out dvrTopSpace);
}
}
else
{
subpageWidth = TextDpi.ToTextDpi(TextDpi.MinWidth);
}
// Destroy objects created by PTS, but not used here.
if (pmcsclientOut != IntPtr.Zero)
{
MarginCollapsingState mcs = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcs);
mcs.Dispose();
pmcsclientOut = IntPtr.Zero;
}
// Get the size of the floater. For height PTS already reports calculated value.
// But width is the same as subpage width. Add margin values here since we do not use
// distance to text anymore
durFloaterWidth = subpageWidth + mbp.MBPLeft + mbp.MBPRight;
// Add back all MBP values since we do not use dist to text
dvrFloaterHeight += mbp.MBPTop + mbp.MBPBottom;
// Check if floater width fits in available width. It may exceed available width because borders and
// padding are added.
fsbbox.fsrc.u = 0;
fsbbox.fsrc.v = 0;
fsbbox.fsrc.du = durFloaterWidth;
fsbbox.fsrc.dv = dvrFloaterHeight;
fsbbox.fDefined = PTS.True;
// Tight wrap is disabled for now.
cPolygons = cVertices = 0;
if (durFloaterWidth > durAvailable || dvrFloaterHeight > dvrAvailable)
{
if (PTS.ToBoolean(fEmptyOk))
{
// Get rid of any previous formatting
if (pfsFloatContent != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpage(PtsContext.Context, pfsFloatContent), PtsContext);
pfsFloatContent = IntPtr.Zero;
}
if (pbrkrecOut != IntPtr.Zero)
{
PTS.Validate(PTS.FsDestroySubpageBreakRecord(PtsContext.Context, pbrkrecOut), PtsContext);
pbrkrecOut = IntPtr.Zero;
}
cPolygons = cVertices = 0;
fsfmtr.kstop = PTS.FSFMTRKSTOP.fmtrNoProgressOutOfSpace;
}
else
{
fsfmtr.fForcedProgress = PTS.True;
}
}
}
}
// Update handle to PTS subpage.
((FloaterParaClient)paraClient).SubpageHandle = pfsFloatContent;
}
internal unsafe void FormatParaFinite(SubpageParaClient paraClient, IntPtr pbrkrecIn, int fBRFromPreviousPage, IntPtr footnoteRejector, 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;
}
PTS.FSRECT fsrect = default(PTS.FSRECT);
int num2 = fsrcToFill.du;
int num3 = fsrcToFill.dv;
Invariant.Assert(base.Element is TableCell || base.Element is AnchoredBlock);
fskclearIn = PTS.WrapDirectionToFskclear((WrapDirection)base.Element.GetValue(Block.ClearFloatersProperty));
int num4 = 0;
MarginCollapsingState marginCollapsingState = null;
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 fsrcToFill, num, out fsrcToFill));
mbpInfo.MirrorMargin();
}
num2 = Math.Max(1, num2 - (mbpInfo.MBPLeft + mbpInfo.MBPRight));
if (pbrkrecIn == IntPtr.Zero)
{
MarginCollapsingState.CollapseTopMargin(base.PtsContext, mbpInfo, mcs, out marginCollapsingState, out num4);
if (PTS.ToBoolean(fSuppressTopSpace))
{
num4 = 0;
}
num3 = Math.Max(1, num3 - (num4 + mbpInfo.BPTop));
if (marginCollapsingState != null)
{
marginCollapsingState.Dispose();
marginCollapsingState = null;
}
}
fsrect.du = num2;
fsrect.dv = num3;
ColumnPropertiesGroup columnProperties = new ColumnPropertiesGroup(this._element);
double lineHeightValue = DynamicPropertyReader.GetLineHeightValue(this._element);
double pageFontSize = (double)this._structuralCache.PropertyOwner.GetValue(TextElement.FontSizeProperty);
FontFamily pageFontFamily = (FontFamily)this._structuralCache.PropertyOwner.GetValue(TextElement.FontFamilyProperty);
int num5 = PtsHelper.CalculateColumnCount(columnProperties, lineHeightValue, TextDpi.FromTextDpi(num2), pageFontSize, pageFontFamily, false);
PTS.FSCOLUMNINFO[] array = new PTS.FSCOLUMNINFO[num5];
fixed(PTS.FSCOLUMNINFO *ptr = array)
{
PtsHelper.GetColumnsInfo(columnProperties, lineHeightValue, TextDpi.FromTextDpi(num2), pageFontSize, pageFontFamily, num5, ptr, false);
}
base.StructuralCache.CurrentFormatContext.PushNewPageData(new Size(TextDpi.FromTextDpi(num2), TextDpi.FromTextDpi(num3)), default(Thickness), false, true);
fixed(PTS.FSCOLUMNINFO *ptr2 = array)
{
PTS.Validate(PTS.FsCreateSubpageFinite(base.PtsContext.Context, pbrkrecIn, fBRFromPreviousPage, this._mainTextSegment.Handle, footnoteRejector, fEmptyOk, fSuppressTopSpace, fswdir, num2, num3, ref fsrect, num5, ptr2, 0, 0, null, null, 0, null, null, PTS.FromBoolean(false), fsksuppresshardbreakbeforefirstparaIn, out fsfmtr, out pfspara, out pbrkrecOut, out dvrUsed, out fsbbox, out pmcsclientOut, out dvrTopSpace), base.PtsContext);
}
base.StructuralCache.CurrentFormatContext.PopPageData();
fskclearOut = PTS.FSKCLEAR.fskclearNone;
if (PTS.ToBoolean(fsbbox.fDefined))
{
dvrUsed = Math.Max(dvrUsed, fsbbox.fsrc.dv + fsbbox.fsrc.v);
fsrcToFill.du = Math.Max(fsrcToFill.du, fsbbox.fsrc.du + fsbbox.fsrc.u);
}
if (pbrkrecIn == IntPtr.Zero)
{
dvrTopSpace = ((mbpInfo.BPTop != 0) ? num4 : dvrTopSpace);
dvrUsed += num4 + mbpInfo.BPTop;
}
if (pmcsclientOut != IntPtr.Zero)
{
marginCollapsingState = (base.PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState);
PTS.ValidateHandle(marginCollapsingState);
pmcsclientOut = IntPtr.Zero;
}
if (fsfmtr.kstop >= PTS.FSFMTRKSTOP.fmtrNoProgressOutOfSpace)
{
dvrUsed = (dvrTopSpace = 0);
}
else
{
if (fsfmtr.kstop == PTS.FSFMTRKSTOP.fmtrGoalReached)
{
MarginCollapsingState marginCollapsingState2;
int num6;
MarginCollapsingState.CollapseBottomMargin(base.PtsContext, mbpInfo, marginCollapsingState, out marginCollapsingState2, out num6);
pmcsclientOut = ((marginCollapsingState2 != null) ? marginCollapsingState2.Handle : IntPtr.Zero);
if (pmcsclientOut == IntPtr.Zero)
{
dvrUsed += num6 + mbpInfo.BPBottom;
}
}
fsbbox.fsrc.u = fsrcToFill.u + mbpInfo.MarginLeft;
fsbbox.fsrc.v = fsrcToFill.v + dvrTopSpace;
fsbbox.fsrc.du = Math.Max(fsrcToFill.du - (mbpInfo.MarginLeft + mbpInfo.MarginRight), 0);
fsbbox.fsrc.dv = Math.Max(dvrUsed - dvrTopSpace, 0);
}
if (num != fswdir)
{
PTS.FSRECT pageRect2 = base.StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformBbox(num, ref pageRect2, ref fsbbox, fswdir, out fsbbox));
}
if (marginCollapsingState != null)
{
marginCollapsingState.Dispose();
marginCollapsingState = null;
}
paraClient.SetChunkInfo(pbrkrecIn == IntPtr.Zero, pbrkrecOut == IntPtr.Zero);
}
internal unsafe void UpdateBottomlessPara(IntPtr pfspara, SubpageParaClient paraClient, 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));
int num2 = durTrack;
int urMargin;
int vrMargin = urMargin = 0;
Invariant.Assert(base.Element is TableCell || base.Element is AnchoredBlock);
fskclearIn = PTS.WrapDirectionToFskclear((WrapDirection)base.Element.GetValue(Block.ClearFloatersProperty));
MbpInfo mbpInfo = MbpInfo.FromElement(base.Element, base.StructuralCache.TextFormatterHost.PixelsPerDip);
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();
}
num2 = Math.Max(1, num2 - (mbpInfo.MBPLeft + mbpInfo.MBPRight));
MarginCollapsingState marginCollapsingState;
int num3;
MarginCollapsingState.CollapseTopMargin(base.PtsContext, mbpInfo, mcs, out marginCollapsingState, out num3);
if (marginCollapsingState != null)
{
marginCollapsingState.Dispose();
marginCollapsingState = null;
}
int durMargin = num2;
ColumnPropertiesGroup columnProperties = new ColumnPropertiesGroup(this._element);
double lineHeightValue = DynamicPropertyReader.GetLineHeightValue(this._element);
double pageFontSize = (double)this._structuralCache.PropertyOwner.GetValue(TextElement.FontSizeProperty);
FontFamily pageFontFamily = (FontFamily)this._structuralCache.PropertyOwner.GetValue(TextElement.FontFamilyProperty);
int num4 = PtsHelper.CalculateColumnCount(columnProperties, lineHeightValue, TextDpi.FromTextDpi(num2), pageFontSize, pageFontFamily, false);
PTS.FSCOLUMNINFO[] array = new PTS.FSCOLUMNINFO[num4];
fixed(PTS.FSCOLUMNINFO *ptr = array)
{
PtsHelper.GetColumnsInfo(columnProperties, lineHeightValue, TextDpi.FromTextDpi(num2), pageFontSize, pageFontFamily, num4, ptr, false);
}
base.StructuralCache.CurrentFormatContext.PushNewPageData(new Size(TextDpi.FromTextDpi(num2), TextDpi.MaxWidth), default(Thickness), true, false);
fixed(PTS.FSCOLUMNINFO *ptr2 = array)
{
PTS.Validate(PTS.FsUpdateBottomlessSubpage(base.PtsContext.Context, pfspara, this._mainTextSegment.Handle, fSuppressTopSpace, fswdir, num2, urMargin, durMargin, vrMargin, num4, ptr2, 0, null, null, 0, null, null, PTS.FromBoolean(true), out fsfmtrbl, out dvrUsed, out fsbbox, out pmcsclientOut, out dvrTopSpace, out fPageBecomesUninterruptable), base.PtsContext);
}
base.StructuralCache.CurrentFormatContext.PopPageData();
fskclearOut = PTS.FSKCLEAR.fskclearNone;
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;
}
if (PTS.ToBoolean(fsbbox.fDefined))
{
dvrUsed = Math.Max(dvrUsed, fsbbox.fsrc.dv + fsbbox.fsrc.v);
durTrack = Math.Max(durTrack, fsbbox.fsrc.du + fsbbox.fsrc.u);
}
dvrTopSpace = ((mbpInfo.BPTop != 0) ? num3 : dvrTopSpace);
dvrUsed += num3 + mbpInfo.BPTop + (num5 + mbpInfo.BPBottom);
fsbbox.fsrc.u = urTrack + mbpInfo.MarginLeft;
fsbbox.fsrc.v = vrTrack + dvrTopSpace;
fsbbox.fsrc.du = Math.Max(durTrack - (mbpInfo.MarginLeft + mbpInfo.MarginRight), 0);
fsbbox.fsrc.dv = Math.Max(dvrUsed - dvrTopSpace, 0);
}
else
{
pfspara = IntPtr.Zero;
dvrUsed = (dvrTopSpace = 0);
}
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 unsafe void UpdateBottomlessPara(
IntPtr pfspara, // IN: pointer to the para data
SubpageParaClient paraClient, // IN:
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
{
int subpageWidth, urSubpageMargin, durSubpageMargin, vrSubpageMargin;
int cColumns;
int marginTop, marginBottom;
MbpInfo mbp;
MarginCollapsingState mcsSubpage, mcsBottom;
PTS.FSCOLUMNINFO[] columnInfoCollection;
uint fswdirSubpage = PTS.FlowDirectionToFswdir(((FlowDirection)Element.GetValue(FrameworkElement.FlowDirectionProperty)));
// Initialize the subpage size and its margin.
subpageWidth = durTrack;
urSubpageMargin = vrSubpageMargin = 0;
// Set clear property
Invariant.Assert(Element is TableCell || Element is AnchoredBlock);
fskclearIn = PTS.WrapDirectionToFskclear((WrapDirection)Element.GetValue(Block.ClearFloatersProperty));
// Take into account MBPs and modify subpage metrics,
// and make sure that subpage is at least 1 unit wide (cannot measure at width <= 0)
// NOTE: Do not suppress top space for bottomles pages.
mbp = MbpInfo.FromElement(Element);
if (fswdirSubpage != fswdir)
{
PTS.FSRECT fsrcToFillSubpage = new PTS.FSRECT(urTrack, 0, durTrack, 0);
PTS.FSRECT pageRect = StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformRectangle(fswdir, ref pageRect, ref fsrcToFillSubpage, fswdirSubpage, out fsrcToFillSubpage));
urTrack = fsrcToFillSubpage.u;
durTrack = fsrcToFillSubpage.du;
mbp.MirrorMargin();
}
subpageWidth = Math.Max(1, subpageWidth - (mbp.MBPLeft + mbp.MBPRight));
MarginCollapsingState.CollapseTopMargin(PtsContext, mbp, mcs, out mcsSubpage, out marginTop);
// Destroy top margin collapsing state (not needed anymore).
if (mcsSubpage != null)
{
mcsSubpage.Dispose();
mcsSubpage = null;
}
durSubpageMargin = subpageWidth;
// Initialize column info
// For bottomles spara, limit line height to the height of the current format context in structural cache.
ColumnPropertiesGroup columnProperties = new ColumnPropertiesGroup(_element);
double lineHeight = DynamicPropertyReader.GetLineHeightValue(_element);
double pageFontSize = (double)_structuralCache.PropertyOwner.GetValue(Block.FontSizeProperty);
FontFamily pageFontFamily = (FontFamily)_structuralCache.PropertyOwner.GetValue(Block.FontFamilyProperty);
// Get columns info, setting ownerIsFlowDocument flag to false. A flow document should not be formatted as a subpage and we
// do not want default column widths to be set on TableCells and floaters
cColumns = PtsHelper.CalculateColumnCount(columnProperties, lineHeight, TextDpi.FromTextDpi(subpageWidth), pageFontSize, pageFontFamily, false);
columnInfoCollection = new PTS.FSCOLUMNINFO[cColumns];
fixed(PTS.FSCOLUMNINFO *rgColumnInfo = columnInfoCollection)
{
PtsHelper.GetColumnsInfo(columnProperties, lineHeight, TextDpi.FromTextDpi(subpageWidth), pageFontSize, pageFontFamily, cColumns, rgColumnInfo, false);
}
StructuralCache.CurrentFormatContext.PushNewPageData(new Size(TextDpi.FromTextDpi(subpageWidth), TextDpi.MaxWidth),
new Thickness(),
true,
false);
// Create subpage
fixed(PTS.FSCOLUMNINFO *rgColumnInfo = columnInfoCollection)
{
PTS.Validate(PTS.FsUpdateBottomlessSubpage(PtsContext.Context, pfspara, _mainTextSegment.Handle, fSuppressTopSpace,
fswdir, subpageWidth, urSubpageMargin, durSubpageMargin, vrSubpageMargin,
cColumns, rgColumnInfo, 0, null, null, 0, null, null, PTS.FromBoolean(true),
out fsfmtrbl, out dvrUsed, out fsbbox, out pmcsclientOut, out dvrTopSpace,
out fPageBecomesUninterruptable), PtsContext);
}
StructuralCache.CurrentFormatContext.PopPageData();
fskclearOut = PTS.FSKCLEAR.fskclearNone;
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)
{
mcsSubpage = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcsSubpage);
pmcsclientOut = IntPtr.Zero;
}
MarginCollapsingState.CollapseBottomMargin(PtsContext, mbp, mcsSubpage, out mcsBottom, out marginBottom);
pmcsclientOut = (mcsBottom != null) ? mcsBottom.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 (mcsSubpage != null)
{
mcsSubpage.Dispose();
mcsSubpage = null;
}
if (PTS.ToBoolean(fsbbox.fDefined))
{
// Workaround for PTS bug 860: get max of the page rect and
// bounding box of the page.
dvrUsed = Math.Max(dvrUsed, fsbbox.fsrc.dv + fsbbox.fsrc.v);
durTrack = Math.Max(durTrack, fsbbox.fsrc.du + fsbbox.fsrc.u);
}
// Take into account MBPs and modify subtrack metrics
dvrTopSpace = (mbp.BPTop != 0) ? marginTop : dvrTopSpace;
dvrUsed += (marginTop + mbp.BPTop) + (marginBottom + mbp.BPBottom);
// Update bounding box
fsbbox.fsrc.u = urTrack + mbp.MarginLeft;
fsbbox.fsrc.v = vrTrack + dvrTopSpace;
fsbbox.fsrc.du = Math.Max(durTrack - (mbp.MarginLeft + mbp.MarginRight), 0);
fsbbox.fsrc.dv = Math.Max(dvrUsed - dvrTopSpace, 0);
}
else
{
Debug.Assert(pmcsclientOut == IntPtr.Zero);
pfspara = IntPtr.Zero;
dvrUsed = dvrTopSpace = 0;
}
if (fswdirSubpage != fswdir)
{
PTS.FSRECT pageRect = StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformBbox(fswdirSubpage, 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 unsafe void FormatParaFinite(
SubpageParaClient paraClient, // IN:
IntPtr pbrkrecIn, // IN: break record---use if !NULL
int fBRFromPreviousPage, // IN: break record was created on previous page
IntPtr footnoteRejector, // IN:
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 fswdirSubpage = PTS.FlowDirectionToFswdir(((FlowDirection)Element.GetValue(FrameworkElement.FlowDirectionProperty)));
int subpageWidth, subpageHeight;
int cColumns;
int marginTop, marginBottom;
MbpInfo mbp;
MarginCollapsingState mcsSubpage, mcsBottom;
PTS.FSRECT fsrcSubpageMargin;
PTS.FSCOLUMNINFO [] columnInfoCollection;
// 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.
//Debug.Assert(pbrkrecIn == IntPtr.Zero || mcs == null, "Broken paragraph cannot have margin collapsing state.");
if (mcs != null && pbrkrecIn != IntPtr.Zero)
{
mcs = null;
}
// Initialize the subpage size and its margin.
fsrcSubpageMargin = new PTS.FSRECT();
subpageWidth = fsrcToFill.du;
subpageHeight = fsrcToFill.dv;
// Set clear property
Invariant.Assert(Element is TableCell || Element is AnchoredBlock);
fskclearIn = PTS.WrapDirectionToFskclear((WrapDirection)Element.GetValue(Block.ClearFloatersProperty));
// Take into account MBPs and modify subpage metrics,
// and make sure that subpage is at least 1 unit wide (cannot measure at width <= 0)
marginTop = 0;
mcsSubpage = null;
// Get MBP info. Since subpage height and width must be at least 1, the max size for MBP is subpage dimensions less 1
mbp = MbpInfo.FromElement(Element);
if (fswdirSubpage != fswdir)
{
PTS.FSRECT pageRect = StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformRectangle(fswdir, ref pageRect, ref fsrcToFill, fswdirSubpage, out fsrcToFill));
mbp.MirrorMargin();
}
subpageWidth = Math.Max(1, subpageWidth - (mbp.MBPLeft + mbp.MBPRight));
if (pbrkrecIn == IntPtr.Zero)
{
// Top margin collapsing. If suppresing top space, top margin is always 0.
MarginCollapsingState.CollapseTopMargin(PtsContext, mbp, mcs, out mcsSubpage, out marginTop);
if (PTS.ToBoolean(fSuppressTopSpace))
{
marginTop = 0;
}
subpageHeight = Math.Max(1, subpageHeight - (marginTop + mbp.BPTop));
// Destroy top margin collapsing state (not needed anymore).
if (mcsSubpage != null)
{
mcsSubpage.Dispose();
mcsSubpage = null;
}
}
else
{
Debug.Assert(fSuppressTopSpace == 1, "Top space should be always suppressed at the top of broken paragraph.");
}
fsrcSubpageMargin.du = subpageWidth;
fsrcSubpageMargin.dv = subpageHeight;
// Initialize column info
ColumnPropertiesGroup columnProperties = new ColumnPropertiesGroup(_element);
double lineHeight = DynamicPropertyReader.GetLineHeightValue(_element);
double pageFontSize = (double)_structuralCache.PropertyOwner.GetValue(Block.FontSizeProperty);
FontFamily pageFontFamily = (FontFamily)_structuralCache.PropertyOwner.GetValue(Block.FontFamilyProperty);
// Get columns info, setting ownerIsFlowDocument flag to false. A flow document should not be formatted as a subpage and we
// do not want default column widths to be set on TableCells and floaters
cColumns = PtsHelper.CalculateColumnCount(columnProperties, lineHeight, TextDpi.FromTextDpi(subpageWidth), pageFontSize, pageFontFamily, false);
columnInfoCollection = new PTS.FSCOLUMNINFO[cColumns];
fixed(PTS.FSCOLUMNINFO *rgColumnInfo = columnInfoCollection)
{
PtsHelper.GetColumnsInfo(columnProperties, lineHeight, TextDpi.FromTextDpi(subpageWidth), pageFontSize, pageFontFamily, cColumns, rgColumnInfo, false);
}
// Format subpage
StructuralCache.CurrentFormatContext.PushNewPageData(new Size(TextDpi.FromTextDpi(subpageWidth), TextDpi.FromTextDpi(subpageHeight)),
new Thickness(),
false,
true);
fixed(PTS.FSCOLUMNINFO *rgColumnInfo = columnInfoCollection)
{
PTS.Validate(PTS.FsCreateSubpageFinite(PtsContext.Context, pbrkrecIn, fBRFromPreviousPage, _mainTextSegment.Handle,
footnoteRejector, fEmptyOk, fSuppressTopSpace, fswdir, subpageWidth, subpageHeight,
ref fsrcSubpageMargin, cColumns, rgColumnInfo, PTS.False,
0, null, null, 0, null, null, PTS.FromBoolean(false),
fsksuppresshardbreakbeforefirstparaIn,
out fsfmtr, out pfspara, out pbrkrecOut, out dvrUsed, out fsbbox, out pmcsclientOut, out dvrTopSpace), PtsContext);
}
StructuralCache.CurrentFormatContext.PopPageData();
fskclearOut = PTS.FSKCLEAR.fskclearNone;
if (PTS.ToBoolean(fsbbox.fDefined))
{
// Workaround for PTS bug 860: get max of the page rect and
// bounding box of the page.
dvrUsed = Math.Max(dvrUsed, fsbbox.fsrc.dv + fsbbox.fsrc.v);
fsrcToFill.du = Math.Max(fsrcToFill.du, fsbbox.fsrc.du + fsbbox.fsrc.u);
}
if (pbrkrecIn == IntPtr.Zero) // if first chunk
{
// Take into account MBPs and modify subpage metrics
dvrTopSpace = (mbp.BPTop != 0) ? marginTop : dvrTopSpace;
dvrUsed += (marginTop + mbp.BPTop);
}
if (pmcsclientOut != IntPtr.Zero)
{
mcsSubpage = PtsContext.HandleToObject(pmcsclientOut) as MarginCollapsingState;
PTS.ValidateHandle(mcsSubpage);
pmcsclientOut = IntPtr.Zero;
}
// Initialize subpage metrics
if (fsfmtr.kstop >= PTS.FSFMTRKSTOP.fmtrNoProgressOutOfSpace) // No progress or collision
{
dvrUsed = dvrTopSpace = 0;
//pbrkrecOut = IntPtr.Zero;
//pfspara = IntPtr.Zero;
//pmcsclientOut = IntPtr.Zero;
}
else
{
if (fsfmtr.kstop == PTS.FSFMTRKSTOP.fmtrGoalReached)
{
// Bottom margin collapsing:
// (a) retrieve mcs from the subpage
// (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.CollapseBottomMargin(PtsContext, mbp, mcsSubpage, out mcsBottom, out marginBottom);
pmcsclientOut = (mcsBottom != null) ? mcsBottom.Handle : IntPtr.Zero;
if (pmcsclientOut == IntPtr.Zero) // if last chunk
{
dvrUsed += marginBottom + mbp.BPBottom;
}
}
// Update bounding box
fsbbox.fsrc.u = fsrcToFill.u + mbp.MarginLeft;
fsbbox.fsrc.v = fsrcToFill.v + dvrTopSpace;
fsbbox.fsrc.du = Math.Max(fsrcToFill.du - (mbp.MarginLeft + mbp.MarginRight), 0);
fsbbox.fsrc.dv = Math.Max(dvrUsed - dvrTopSpace, 0);
}
if (fswdirSubpage != fswdir)
{
PTS.FSRECT pageRect = StructuralCache.CurrentFormatContext.PageRect;
PTS.Validate(PTS.FsTransformBbox(fswdirSubpage, ref pageRect, ref fsbbox, fswdir, out fsbbox));
}
// 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 (see above).
if (mcsSubpage != null)
{
mcsSubpage.Dispose();
mcsSubpage = null;
}
// Update information about first/last chunk
paraClient.SetChunkInfo(pbrkrecIn == IntPtr.Zero, pbrkrecOut == IntPtr.Zero);
}
