Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / MS / Internal / PtsHost / FloaterBaseParagraph.cs / 1305600 / 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(); GC.SuppressFinalize(this); } #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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