internal static List <Rect> GetRectanglesInTrack(
PtsContext ptsContext,
ContentElement e,
int start,
int length,
ref PTS.FSTRACKDESCRIPTION trackDesc)
{
List <Rect> rectangles = new List <Rect>();
// There is possibility to get empty track. (example: large figures)
if (trackDesc.pfstrack == IntPtr.Zero)
{
// TRack is empty. Return empty list.
return(rectangles);
}
// Get track details
PTS.FSTRACKDETAILS trackDetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out trackDetails));
// There might be possibility to get empty track, skip the track
// in such case.
if (trackDetails.cParas != 0)
{
// Get list of paragraphs
PTS.FSPARADESCRIPTION[] arrayParaDesc;
ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref trackDetails, out arrayParaDesc);
// Check list of paragraphs for element
rectangles = GetRectanglesInParaList(ptsContext, e, start, length, arrayParaDesc);
}
return(rectangles);
}
internal static IInputElement InputHitTestTrack(
PtsContext ptsContext,
PTS.FSPOINT pt,
ref PTS.FSTRACKDESCRIPTION trackDesc)
{
// There is possibility to get empty track. (example: large figures)
if (trackDesc.pfstrack == IntPtr.Zero)
{
return(null);
}
IInputElement ie = null;
// Get track details
PTS.FSTRACKDETAILS trackDetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out trackDetails));
// There might be possibility to get empty track, skip the track
// in such case.
if (trackDetails.cParas != 0)
{
// Get list of paragraphs
PTS.FSPARADESCRIPTION[] arrayParaDesc;
ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref trackDetails, out arrayParaDesc);
// Hittest list of paragraphs
ie = InputHitTestParaList(ptsContext, pt, ref trackDesc.fsrc, arrayParaDesc);
}
return(ie);
}
internal ColumnResult(BaseParaClient subpage, ref PTS.FSTRACKDESCRIPTION trackDesc, Vector contentOffset)
{
Invariant.Assert(subpage is SubpageParaClient || subpage is FigureParaClient || subpage is FloaterParaClient);
this._subpage = subpage;
this._columnHandle = trackDesc.pfstrack;
this._layoutBox = new Rect(TextDpi.FromTextDpi(trackDesc.fsrc.u), TextDpi.FromTextDpi(trackDesc.fsrc.v), TextDpi.FromTextDpi(trackDesc.fsrc.du), TextDpi.FromTextDpi(trackDesc.fsrc.dv));
this._layoutBox.X = this._layoutBox.X + contentOffset.X;
this._layoutBox.Y = this._layoutBox.Y + contentOffset.Y;
this._columnOffset = new Vector(TextDpi.FromTextDpi(trackDesc.fsrc.u), TextDpi.FromTextDpi(trackDesc.fsrc.v));
}
internal ColumnResult(FlowDocumentPage page, ref PTS.FSTRACKDESCRIPTION trackDesc, Vector contentOffset)
{
this._page = page;
this._columnHandle = trackDesc.pfstrack;
this._layoutBox = new Rect(TextDpi.FromTextDpi(trackDesc.fsrc.u), TextDpi.FromTextDpi(trackDesc.fsrc.v), TextDpi.FromTextDpi(trackDesc.fsrc.du), TextDpi.FromTextDpi(trackDesc.fsrc.dv));
this._layoutBox.X = this._layoutBox.X + contentOffset.X;
this._layoutBox.Y = this._layoutBox.Y + contentOffset.Y;
this._columnOffset = new Vector(TextDpi.FromTextDpi(trackDesc.fsrc.u), TextDpi.FromTextDpi(trackDesc.fsrc.v));
this._hasTextContent = false;
}
internal unsafe static void TrackListFromSubpage(PtsContext ptsContext, IntPtr subpage, ref PTS.FSSUBPAGEDETAILS subpageDetails, out PTS.FSTRACKDESCRIPTION[] arrayTrackDesc)
{
arrayTrackDesc = new PTS.FSTRACKDESCRIPTION[subpageDetails.u.complex.cBasicColumns];
int num;
fixed(PTS.FSTRACKDESCRIPTION *ptr = arrayTrackDesc)
{
PTS.Validate(PTS.FsQuerySubpageBasicColumnList(ptsContext.Context, subpage, subpageDetails.u.complex.cBasicColumns, ptr, out num));
}
ErrorHandler.Assert(subpageDetails.u.complex.cBasicColumns == num, ErrorHandler.PTSObjectsCountMismatch);
}
internal unsafe static void TrackListFromSection(PtsContext ptsContext, IntPtr section, ref PTS.FSSECTIONDETAILS sectionDetails, out PTS.FSTRACKDESCRIPTION[] arrayTrackDesc)
{
arrayTrackDesc = new PTS.FSTRACKDESCRIPTION[sectionDetails.u.withpagenotes.cBasicColumns];
int num;
fixed(PTS.FSTRACKDESCRIPTION *ptr = arrayTrackDesc)
{
PTS.Validate(PTS.FsQuerySectionBasicColumnList(ptsContext.Context, section, sectionDetails.u.withpagenotes.cBasicColumns, ptr, out num));
}
ErrorHandler.Assert(sectionDetails.u.withpagenotes.cBasicColumns == num, ErrorHandler.PTSObjectsCountMismatch);
}
internal ColumnResult(BaseParaClient subpage, ref PTS.FSTRACKDESCRIPTION trackDesc, Vector contentOffset)
{
// Subpage must be figure, floater or subpage paraclient
Invariant.Assert(subpage is SubpageParaClient || subpage is FigureParaClient || subpage is FloaterParaClient);
_subpage = subpage;
_columnHandle = trackDesc.pfstrack;
_layoutBox = new Rect(
TextDpi.FromTextDpi(trackDesc.fsrc.u), TextDpi.FromTextDpi(trackDesc.fsrc.v),
TextDpi.FromTextDpi(trackDesc.fsrc.du), TextDpi.FromTextDpi(trackDesc.fsrc.dv));
_layoutBox.X += contentOffset.X;
_layoutBox.Y += contentOffset.Y;
_columnOffset = new Vector(TextDpi.FromTextDpi(trackDesc.fsrc.u), TextDpi.FromTextDpi(trackDesc.fsrc.v));
}
internal static void ArrangeTrack(PtsContext ptsContext, ref PTS.FSTRACKDESCRIPTION trackDesc, uint fswdirTrack)
{
if (trackDesc.pfstrack != IntPtr.Zero)
{
PTS.FSTRACKDETAILS fstrackdetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out fstrackdetails));
if (fstrackdetails.cParas != 0)
{
PTS.FSPARADESCRIPTION[] arrayParaDesc;
PtsHelper.ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref fstrackdetails, out arrayParaDesc);
PtsHelper.ArrangeParaList(ptsContext, trackDesc.fsrc, arrayParaDesc, fswdirTrack);
}
}
}
internal static void UpdateViewportTrack(PtsContext ptsContext, ref PTS.FSTRACKDESCRIPTION trackDesc, ref PTS.FSRECT viewport)
{
if (trackDesc.pfstrack != IntPtr.Zero)
{
PTS.FSTRACKDETAILS fstrackdetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out fstrackdetails));
if (fstrackdetails.cParas != 0)
{
PTS.FSPARADESCRIPTION[] arrayParaDesc;
PtsHelper.ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref fstrackdetails, out arrayParaDesc);
PtsHelper.UpdateViewportParaList(ptsContext, arrayParaDesc, ref viewport);
}
}
}
internal static void UpdateTrackVisuals(
PtsContext ptsContext,
VisualCollection visualCollection,
PTS.FSKUPDATE fskupdInherited,
ref PTS.FSTRACKDESCRIPTION trackDesc)
{
PTS.FSKUPDATE fskupd = trackDesc.fsupdinf.fskupd;
if (trackDesc.fsupdinf.fskupd == PTS.FSKUPDATE.fskupdInherited)
{
fskupd = fskupdInherited;
}
// If there is no change, visual information is valid
if (fskupd == PTS.FSKUPDATE.fskupdNoChange)
{
return;
}
ErrorHandler.Assert(fskupd != PTS.FSKUPDATE.fskupdShifted, ErrorHandler.UpdateShiftedNotValid);
bool emptyTrack = (trackDesc.pfstrack == IntPtr.Zero);
if (!emptyTrack)
{
// Get track details
PTS.FSTRACKDETAILS trackDetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out trackDetails));
emptyTrack = (trackDetails.cParas == 0);
if (!emptyTrack)
{
// Get list of paragraphs
PTS.FSPARADESCRIPTION[] arrayParaDesc;
ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref trackDetails, out arrayParaDesc);
// Update visuals for list of paragraphs
UpdateParaListVisuals(ptsContext, visualCollection, fskupd, arrayParaDesc);
}
}
// There is possibility to get empty track. (example: large figures)
if (emptyTrack)
{
// There is no content, remove all existing children visuals.
visualCollection.Clear();
}
}
internal static unsafe void TrackListFromSection(
PtsContext ptsContext,
IntPtr section,
ref PTS.FSSECTIONDETAILS sectionDetails,
out PTS.FSTRACKDESCRIPTION [] arrayTrackDesc)
{
// Need to impl. Extended multi-column layout.
Debug.Assert(sectionDetails.u.withpagenotes.cSegmentDefinedColumnSpanAreas == 0);
Debug.Assert(sectionDetails.u.withpagenotes.cHeightDefinedColumnSpanAreas == 0);
arrayTrackDesc = new PTS.FSTRACKDESCRIPTION[sectionDetails.u.withpagenotes.cBasicColumns];
int trackCount;
fixed(PTS.FSTRACKDESCRIPTION *rgTrackDesc = arrayTrackDesc)
{
PTS.Validate(PTS.FsQuerySectionBasicColumnList(ptsContext.Context, section, sectionDetails.u.withpagenotes.cBasicColumns,
rgTrackDesc, out trackCount));
}
ErrorHandler.Assert(sectionDetails.u.withpagenotes.cBasicColumns == trackCount, ErrorHandler.PTSObjectsCountMismatch);
}
internal static void UpdateViewportTrack(
PtsContext ptsContext,
ref PTS.FSTRACKDESCRIPTION trackDesc,
ref PTS.FSRECT viewport)
{
// There is possibility to get empty track. (example: large figures)
if (trackDesc.pfstrack != IntPtr.Zero)
{
// Get track details
PTS.FSTRACKDETAILS trackDetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out trackDetails));
// There is possibility to get empty track.
if (trackDetails.cParas != 0)
{
// Get list of paragraphs
PTS.FSPARADESCRIPTION[] arrayParaDesc;
ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref trackDetails, out arrayParaDesc);
// Arrange paragraphs
UpdateViewportParaList(ptsContext, arrayParaDesc, ref viewport);
}
}
}
internal static List <Rect> GetRectanglesInTrack(PtsContext ptsContext, ContentElement e, int start, int length, ref PTS.FSTRACKDESCRIPTION trackDesc)
{
List <Rect> result = new List <Rect>();
if (trackDesc.pfstrack == IntPtr.Zero)
{
return(result);
}
PTS.FSTRACKDETAILS fstrackdetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out fstrackdetails));
if (fstrackdetails.cParas != 0)
{
PTS.FSPARADESCRIPTION[] arrayParaDesc;
PtsHelper.ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref fstrackdetails, out arrayParaDesc);
result = PtsHelper.GetRectanglesInParaList(ptsContext, e, start, length, arrayParaDesc);
}
return(result);
}
internal static IInputElement InputHitTestTrack(PtsContext ptsContext, PTS.FSPOINT pt, ref PTS.FSTRACKDESCRIPTION trackDesc)
{
if (trackDesc.pfstrack == IntPtr.Zero)
{
return(null);
}
IInputElement result = null;
PTS.FSTRACKDETAILS fstrackdetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out fstrackdetails));
if (fstrackdetails.cParas != 0)
{
PTS.FSPARADESCRIPTION[] arrayParaDesc;
PtsHelper.ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref fstrackdetails, out arrayParaDesc);
result = PtsHelper.InputHitTestParaList(ptsContext, pt, ref trackDesc.fsrc, arrayParaDesc);
}
return(result);
}
internal static void UpdateTrackVisuals(PtsContext ptsContext, VisualCollection visualCollection, PTS.FSKUPDATE fskupdInherited, ref PTS.FSTRACKDESCRIPTION trackDesc)
{
PTS.FSKUPDATE fskupdate = trackDesc.fsupdinf.fskupd;
if (trackDesc.fsupdinf.fskupd == PTS.FSKUPDATE.fskupdInherited)
{
fskupdate = fskupdInherited;
}
if (fskupdate == PTS.FSKUPDATE.fskupdNoChange)
{
return;
}
ErrorHandler.Assert(fskupdate != PTS.FSKUPDATE.fskupdShifted, ErrorHandler.UpdateShiftedNotValid);
bool flag = trackDesc.pfstrack == IntPtr.Zero;
if (!flag)
{
PTS.FSTRACKDETAILS fstrackdetails;
PTS.Validate(PTS.FsQueryTrackDetails(ptsContext.Context, trackDesc.pfstrack, out fstrackdetails));
flag = (fstrackdetails.cParas == 0);
if (!flag)
{
PTS.FSPARADESCRIPTION[] arrayParaDesc;
PtsHelper.ParaListFromTrack(ptsContext, trackDesc.pfstrack, ref fstrackdetails, out arrayParaDesc);
PtsHelper.UpdateParaListVisuals(ptsContext, visualCollection, fskupdate, arrayParaDesc);
}
}
if (flag)
{
visualCollection.Clear();
}
}
