Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / MS / Internal / PtsHost / FloaterBaseParagraph.cs / 1 / FloaterBaseParagraph.cs
//----------------------------------------------------------------------------
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
// Description: FloaterBaseParagraph class provides a wrapper for floater
// and UIElement objects.
//
//---------------------------------------------------------------------------
#pragma warning disable 1634, 1691 // avoid generating warnings about unknown
// message numbers and unknown pragmas for PRESharp contol
using System;
using System.Diagnostics;
using System.Security; // SecurityCritical
using System.Windows;
using System.Windows.Documents;
using MS.Internal.Documents;
using MS.Internal.Text;
using MS.Internal.PtsHost.UnsafeNativeMethods;
namespace MS.Internal.PtsHost
{
// ---------------------------------------------------------------------
// FloaterBaseParagraph class provides a wrapper for floater and UIElement objects.
// ---------------------------------------------------------------------
internal abstract class FloaterBaseParagraph : BaseParagraph
{
//--------------------------------------------------------------------
//
// Constructors
//
//-------------------------------------------------------------------
#region Constructors
// ------------------------------------------------------------------
// Constructor.
//
// element - Element associated with paragraph.
// structuralCache - Content's structural cache
// ------------------------------------------------------------------
protected FloaterBaseParagraph(TextElement element, StructuralCache structuralCache)
: base(element, structuralCache)
{
}
// -----------------------------------------------------------------
// IDisposable.Dispose
// ------------------------------------------------------------------
public override void Dispose()
{
base.Dispose();
}
#endregion Constructors
//-------------------------------------------------------------------
//
// PTS callbacks
//
//-------------------------------------------------------------------
#region PTS callbacks
// -----------------------------------------------------------------
// UpdGetParaChange
// ------------------------------------------------------------------
internal override void UpdGetParaChange(
out PTS.FSKCHANGE fskch, // OUT: kind of change
out int fNoFurtherChanges) // OUT: no changes after?
{
fskch = PTS.FSKCHANGE.fskchNew;
fNoFurtherChanges = PTS.FromBoolean(_stopAsking);
}
//-------------------------------------------------------------------
// GetParaProperties
//--------------------------------------------------------------------
internal override void GetParaProperties(
ref PTS.FSPAP fspap) // OUT: paragraph properties
{
GetParaProperties(ref fspap, false);
fspap.idobj = PtsHost.FloaterParagraphId;
}
//--------------------------------------------------------------------
// CreateParaclient
//-------------------------------------------------------------------
internal override abstract void CreateParaclient(
out IntPtr paraClientHandle); // OUT: opaque to PTS paragraph client
//--------------------------------------------------------------------
// CollapseMargin
//-------------------------------------------------------------------
internal override abstract void CollapseMargin(
BaseParaClient paraClient, // IN:
MarginCollapsingState mcs, // IN: input margin collapsing state
uint fswdir, // IN: current direction (of the track, in which margin collapsing is happening)
bool suppressTopSpace, // IN: suppress empty space at the top of page
out int dvr); // OUT: dvr, calculated based on margin collapsing state
//-------------------------------------------------------------------
// GetFloaterProperties
//-------------------------------------------------------------------
internal abstract void GetFloaterProperties(
uint fswdirTrack, // IN: direction of track
out PTS.FSFLOATERPROPS fsfloaterprops); // OUT: properties of the floater
//--------------------------------------------------------------------
// GetFloaterPolygons
//-------------------------------------------------------------------
///
/// Critical, because it is unsafe method.
///
[SecurityCritical]
internal unsafe virtual void GetFloaterPolygons(
FloaterBaseParaClient paraClient, // IN:
uint fswdirTrack, // IN: direction of Track
int ncVertices, // IN: size of array of vertex counts (= number of polygons)
int nfspt, // IN: size of the array of all vertices
int* rgcVertices, // OUT: array of vertex counts (array containing number of vertices for each polygon)
out int ccVertices, // OUT: actual number of vertex counts
PTS.FSPOINT* rgfspt, // OUT: array of all vertices
out int cfspt, // OUT: actual total number of vertices in all polygons
out int fWrapThrough) // OUT: fill text in empty areas within obstacles?
{
Debug.Assert(false, "Tight wrap is not currently supported.");
ccVertices = cfspt = fWrapThrough = 0;
}
//--------------------------------------------------------------------
// FormatFloaterContentFinite
//--------------------------------------------------------------------
internal abstract 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
//-------------------------------------------------------------------
// FormatFloaterContentBottomless
//--------------------------------------------------------------------
internal abstract 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
//-------------------------------------------------------------------
// FormatFloaterContentBottomless
//-------------------------------------------------------------------
internal abstract void UpdateBottomlessFloaterContent(
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
IntPtr pfsFloatContent, // IN: floater content
out PTS.FSFMTRBL fsfmtrbl, // OUT: result of formatting
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
//-------------------------------------------------------------------
// GetMCSClientAfterFloater
//--------------------------------------------------------------------
internal abstract void GetMCSClientAfterFloater(
uint fswdirTrack, // IN: direction of Track
MarginCollapsingState mcs, // IN: input margin collapsing state
out IntPtr pmcsclientOut); // OUT: MCSCLIENT that floater will return to track
//-------------------------------------------------------------------
// GetDvrUsedForFloater
//--------------------------------------------------------------------
internal virtual void GetDvrUsedForFloater(
uint fswdirTrack, // IN: direction of Track
MarginCollapsingState mcs, // IN: input margin collapsing state
int dvrDisplaced, // IN:
out int dvrUsed) // OUT:
{
// When floater is pushed down due to collision, text may need to be
// pushed down together with the floater. In such case dvrUsed needs to be
// set to height of the floater.
// But for now there is no case, where we need this feature, hence dvrUsed is
// always 0.
dvrUsed = 0;
}
#endregion PTS callbacks
}
}
#pragma warning enable 1634, 1691
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
// Description: FloaterBaseParagraph class provides a wrapper for floater
// and UIElement objects.
//
//---------------------------------------------------------------------------
#pragma warning disable 1634, 1691 // avoid generating warnings about unknown
// message numbers and unknown pragmas for PRESharp contol
using System;
using System.Diagnostics;
using System.Security; // SecurityCritical
using System.Windows;
using System.Windows.Documents;
using MS.Internal.Documents;
using MS.Internal.Text;
using MS.Internal.PtsHost.UnsafeNativeMethods;
namespace MS.Internal.PtsHost
{
// ---------------------------------------------------------------------
// FloaterBaseParagraph class provides a wrapper for floater and UIElement objects.
// ---------------------------------------------------------------------
internal abstract class FloaterBaseParagraph : BaseParagraph
{
//--------------------------------------------------------------------
//
// Constructors
//
//-------------------------------------------------------------------
#region Constructors
// ------------------------------------------------------------------
// Constructor.
//
// element - Element associated with paragraph.
// structuralCache - Content's structural cache
// ------------------------------------------------------------------
protected FloaterBaseParagraph(TextElement element, StructuralCache structuralCache)
: base(element, structuralCache)
{
}
// -----------------------------------------------------------------
// IDisposable.Dispose
// ------------------------------------------------------------------
public override void Dispose()
{
base.Dispose();
}
#endregion Constructors
//-------------------------------------------------------------------
//
// PTS callbacks
//
//-------------------------------------------------------------------
#region PTS callbacks
// -----------------------------------------------------------------
// UpdGetParaChange
// ------------------------------------------------------------------
internal override void UpdGetParaChange(
out PTS.FSKCHANGE fskch, // OUT: kind of change
out int fNoFurtherChanges) // OUT: no changes after?
{
fskch = PTS.FSKCHANGE.fskchNew;
fNoFurtherChanges = PTS.FromBoolean(_stopAsking);
}
//-------------------------------------------------------------------
// GetParaProperties
//--------------------------------------------------------------------
internal override void GetParaProperties(
ref PTS.FSPAP fspap) // OUT: paragraph properties
{
GetParaProperties(ref fspap, false);
fspap.idobj = PtsHost.FloaterParagraphId;
}
//--------------------------------------------------------------------
// CreateParaclient
//-------------------------------------------------------------------
internal override abstract void CreateParaclient(
out IntPtr paraClientHandle); // OUT: opaque to PTS paragraph client
//--------------------------------------------------------------------
// CollapseMargin
//-------------------------------------------------------------------
internal override abstract void CollapseMargin(
BaseParaClient paraClient, // IN:
MarginCollapsingState mcs, // IN: input margin collapsing state
uint fswdir, // IN: current direction (of the track, in which margin collapsing is happening)
bool suppressTopSpace, // IN: suppress empty space at the top of page
out int dvr); // OUT: dvr, calculated based on margin collapsing state
//-------------------------------------------------------------------
// GetFloaterProperties
//-------------------------------------------------------------------
internal abstract void GetFloaterProperties(
uint fswdirTrack, // IN: direction of track
out PTS.FSFLOATERPROPS fsfloaterprops); // OUT: properties of the floater
//--------------------------------------------------------------------
// GetFloaterPolygons
//-------------------------------------------------------------------
///
/// Critical, because it is unsafe method.
///
[SecurityCritical]
internal unsafe virtual void GetFloaterPolygons(
FloaterBaseParaClient paraClient, // IN:
uint fswdirTrack, // IN: direction of Track
int ncVertices, // IN: size of array of vertex counts (= number of polygons)
int nfspt, // IN: size of the array of all vertices
int* rgcVertices, // OUT: array of vertex counts (array containing number of vertices for each polygon)
out int ccVertices, // OUT: actual number of vertex counts
PTS.FSPOINT* rgfspt, // OUT: array of all vertices
out int cfspt, // OUT: actual total number of vertices in all polygons
out int fWrapThrough) // OUT: fill text in empty areas within obstacles?
{
Debug.Assert(false, "Tight wrap is not currently supported.");
ccVertices = cfspt = fWrapThrough = 0;
}
//--------------------------------------------------------------------
// FormatFloaterContentFinite
//--------------------------------------------------------------------
internal abstract 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
//-------------------------------------------------------------------
// FormatFloaterContentBottomless
//--------------------------------------------------------------------
internal abstract 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
//-------------------------------------------------------------------
// FormatFloaterContentBottomless
//-------------------------------------------------------------------
internal abstract void UpdateBottomlessFloaterContent(
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
IntPtr pfsFloatContent, // IN: floater content
out PTS.FSFMTRBL fsfmtrbl, // OUT: result of formatting
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
//-------------------------------------------------------------------
// GetMCSClientAfterFloater
//--------------------------------------------------------------------
internal abstract void GetMCSClientAfterFloater(
uint fswdirTrack, // IN: direction of Track
MarginCollapsingState mcs, // IN: input margin collapsing state
out IntPtr pmcsclientOut); // OUT: MCSCLIENT that floater will return to track
//-------------------------------------------------------------------
// GetDvrUsedForFloater
//--------------------------------------------------------------------
internal virtual void GetDvrUsedForFloater(
uint fswdirTrack, // IN: direction of Track
MarginCollapsingState mcs, // IN: input margin collapsing state
int dvrDisplaced, // IN:
out int dvrUsed) // OUT:
{
// When floater is pushed down due to collision, text may need to be
// pushed down together with the floater. In such case dvrUsed needs to be
// set to height of the floater.
// But for now there is no case, where we need this feature, hence dvrUsed is
// always 0.
dvrUsed = 0;
}
#endregion PTS callbacks
}
}
#pragma warning enable 1634, 1691
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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