// ------------------------------------------------------------------ // Determines the max total width for this figure element, subtracts the element margins to determine the maximum size the // Subpage can be formatted at. // ------------------------------------------------------------------ private double LimitTotalWidthFromAnchor(double width, double elementMarginWidth) { Figure element = (Figure)Element; FigureHorizontalAnchor horizAnchor = element.HorizontalAnchor; double maxTotalWidth = 0.0; // Value is in pixels. Now we limit value to max out depending on anchoring. if (FigureHelper.IsHorizontalPageAnchor(horizAnchor)) { maxTotalWidth = StructuralCache.CurrentFormatContext.PageWidth; } else if (FigureHelper.IsHorizontalContentAnchor(horizAnchor)) { Thickness pageMargin = StructuralCache.CurrentFormatContext.PageMargin; maxTotalWidth = StructuralCache.CurrentFormatContext.PageWidth - pageMargin.Left - pageMargin.Right; } else { double columnWidth, gap, rule; int cColumns; FigureHelper.GetColumnMetrics(StructuralCache, out cColumns, out columnWidth, out gap, out rule); maxTotalWidth = columnWidth; } if ((width + elementMarginWidth) > maxTotalWidth) { width = Math.Max(TextDpi.MinWidth, maxTotalWidth - elementMarginWidth); } return(width); }
// ------------------------------------------------------------------ // Determines what offset is required to convert a paragraph aligned figure into a column aligned figure. // ------------------------------------------------------------------ private int CalculateParagraphToColumnOffset(FigureHorizontalAnchor horizontalAnchor, PTS.FSRECT fsrcInColumn) { Invariant.Assert(FigureHelper.IsHorizontalColumnAnchor(horizontalAnchor)); int uComparisonPoint; // Depending on anchoring, only the anchored edge (center) is guaranteed to be inside of the column, so finding affected column // requires us to compare against the anchored edge U position. if (horizontalAnchor == FigureHorizontalAnchor.ColumnLeft) { uComparisonPoint = fsrcInColumn.u; } else if (horizontalAnchor == FigureHorizontalAnchor.ColumnRight) { uComparisonPoint = fsrcInColumn.u + fsrcInColumn.du - 1; // du is non-inclusive } else { uComparisonPoint = fsrcInColumn.u + (fsrcInColumn.du / 2) - 1; // du is non-inclusive } double columnWidth, gap, rule; int cColumns; FigureHelper.GetColumnMetrics(StructuralCache, out cColumns, out columnWidth, out gap, out rule); Invariant.Assert(cColumns > 0); int duColumnTotal = TextDpi.ToTextDpi(columnWidth + gap); int affectedColumn = (uComparisonPoint - StructuralCache.CurrentFormatContext.PageMarginRect.u) / duColumnTotal; int columnLeft = StructuralCache.CurrentFormatContext.PageMarginRect.u + affectedColumn * duColumnTotal; int columnDU = TextDpi.ToTextDpi(columnWidth); int totalMarginLeft = columnLeft - fsrcInColumn.u; int totalMarginRight = (columnLeft + columnDU) - (fsrcInColumn.u + fsrcInColumn.du); if (horizontalAnchor == FigureHorizontalAnchor.ColumnLeft) { return(totalMarginLeft); } else if (horizontalAnchor == FigureHorizontalAnchor.ColumnRight) { return(totalMarginRight); } else { return((totalMarginRight + totalMarginLeft) / 2); } }
// ------------------------------------------------------------------ // Width figure size calculation // ------------------------------------------------------------------ internal static double CalculateFigureWidth(StructuralCache structuralCache, Figure figure, FigureLength figureLength, out bool isWidthAuto) { double value; isWidthAuto = figureLength.IsAuto ? true : false; // Check figure's horizontal anchor. If anchored to page, use page width to format FigureHorizontalAnchor horizontalAnchor = figure.HorizontalAnchor; if (figureLength.IsPage || (figureLength.IsAuto && IsHorizontalPageAnchor(horizontalAnchor))) { value = structuralCache.CurrentFormatContext.PageWidth * figureLength.Value; } else if (figureLength.IsAbsolute) { value = CalculateFigureCommon(figureLength); } else // figureLength.IsColumn || figureLength.IsContent || figureLength.IsAuto { double columnWidth, gap, rule; int cColumns; GetColumnMetrics(structuralCache, out cColumns, out columnWidth, out gap, out rule); if (figureLength.IsContent || (figureLength.IsAuto && IsHorizontalContentAnchor(horizontalAnchor))) { // Use content width for figure value = (columnWidth * cColumns + gap * (cColumns - 1)) * figureLength.Value; } else // figureLength.IsColumn || figureLength.IsAuto { // We do this to prevent a 2.0 columns from spanning 2.0 + gap, so we just check for edge double lengthValue = figureLength.Value; int columnGapsSpanned = (int)lengthValue; if (columnGapsSpanned == lengthValue && columnGapsSpanned > 0) { columnGapsSpanned -= 1; } value = (columnWidth * lengthValue) + gap * columnGapsSpanned; } } Invariant.Assert(!double.IsNaN(value)); return(value); }
// Token: 0x060067ED RID: 26605 RVA: 0x001D3304 File Offset: 0x001D1504 internal void CalcFigurePosition(FigureParaClient paraClient, uint fswdir, ref PTS.FSRECT fsrcPage, ref PTS.FSRECT fsrcMargin, ref PTS.FSRECT fsrcTrack, ref PTS.FSRECT fsrcFigurePreliminary, int fMustPosition, int fInTextLine, out int fPushToNextTrack, out PTS.FSRECT fsrcFlow, out PTS.FSRECT fsrcOverlap, out PTS.FSBBOX fsbbox, out PTS.FSRECT fsrcSearch) { Figure figure = (Figure)base.Element; FigureHorizontalAnchor horizontalAnchor = figure.HorizontalAnchor; FigureVerticalAnchor verticalAnchor = figure.VerticalAnchor; fsrcSearch = this.CalculateSearchArea(horizontalAnchor, verticalAnchor, ref fsrcPage, ref fsrcMargin, ref fsrcTrack, ref fsrcFigurePreliminary); if (verticalAnchor == FigureVerticalAnchor.ParagraphTop && fsrcFigurePreliminary.v != fsrcMargin.v && fsrcFigurePreliminary.v + fsrcFigurePreliminary.dv > fsrcTrack.v + fsrcTrack.dv && !PTS.ToBoolean(fMustPosition)) { fPushToNextTrack = 1; } else { fPushToNextTrack = 0; } fsrcFlow = fsrcFigurePreliminary; if (FigureHelper.IsHorizontalColumnAnchor(horizontalAnchor)) { fsrcFlow.u += this.CalculateParagraphToColumnOffset(horizontalAnchor, fsrcFigurePreliminary); } fsrcFlow.u += TextDpi.ToTextDpi(figure.HorizontalOffset); fsrcFlow.v += TextDpi.ToTextDpi(figure.VerticalOffset); fsrcOverlap = fsrcFlow; if (!FigureHelper.IsHorizontalPageAnchor(horizontalAnchor) && horizontalAnchor != FigureHorizontalAnchor.ColumnCenter && horizontalAnchor != FigureHorizontalAnchor.ContentCenter) { int num; double d; double d2; double num2; FigureHelper.GetColumnMetrics(base.StructuralCache, out num, out d, out d2, out num2); int num3 = TextDpi.ToTextDpi(d); int num4 = TextDpi.ToTextDpi(d2); int num5 = num3 + num4; int num6 = fsrcOverlap.du / num5; int du = (num6 + 1) * num5 - num4; fsrcOverlap.du = du; if (horizontalAnchor == FigureHorizontalAnchor.ContentRight || horizontalAnchor == FigureHorizontalAnchor.ColumnRight) { fsrcOverlap.u = fsrcFlow.u + fsrcFlow.du + num4 - fsrcOverlap.du; } fsrcSearch.u = fsrcOverlap.u; fsrcSearch.du = fsrcOverlap.du; } fsbbox = default(PTS.FSBBOX); fsbbox.fDefined = 1; fsbbox.fsrc = fsrcFlow; }
//------------------------------------------------------------------- // // Private Methods // //------------------------------------------------------------------- #region Private Methods private static bool IsValidHorizontalAnchor(object o) { FigureHorizontalAnchor value = (FigureHorizontalAnchor)o; return(value == FigureHorizontalAnchor.ContentCenter || value == FigureHorizontalAnchor.ContentLeft || value == FigureHorizontalAnchor.ContentRight || value == FigureHorizontalAnchor.PageCenter || value == FigureHorizontalAnchor.PageLeft || value == FigureHorizontalAnchor.PageRight || value == FigureHorizontalAnchor.ColumnCenter || value == FigureHorizontalAnchor.ColumnLeft || value == FigureHorizontalAnchor.ColumnRight); // || value == FigureHorizontalAnchor.CharacterCenter // || value == FigureHorizontalAnchor.CharacterLeft // || value == FigureHorizontalAnchor.CharacterRight; }
// Token: 0x060067F3 RID: 26611 RVA: 0x001D35D4 File Offset: 0x001D17D4 private int CalculateParagraphToColumnOffset(FigureHorizontalAnchor horizontalAnchor, PTS.FSRECT fsrcInColumn) { Invariant.Assert(FigureHelper.IsHorizontalColumnAnchor(horizontalAnchor)); int num; if (horizontalAnchor == FigureHorizontalAnchor.ColumnLeft) { num = fsrcInColumn.u; } else if (horizontalAnchor == FigureHorizontalAnchor.ColumnRight) { num = fsrcInColumn.u + fsrcInColumn.du - 1; } else { num = fsrcInColumn.u + fsrcInColumn.du / 2 - 1; } int num2; double num3; double num4; double num5; FigureHelper.GetColumnMetrics(base.StructuralCache, out num2, out num3, out num4, out num5); Invariant.Assert(num2 > 0); int num6 = TextDpi.ToTextDpi(num3 + num4); int num7 = (num - base.StructuralCache.CurrentFormatContext.PageMarginRect.u) / num6; int num8 = base.StructuralCache.CurrentFormatContext.PageMarginRect.u + num7 * num6; int num9 = TextDpi.ToTextDpi(num3); int num10 = num8 - fsrcInColumn.u; int num11 = num8 + num9 - (fsrcInColumn.u + fsrcInColumn.du); if (horizontalAnchor == FigureHorizontalAnchor.ColumnLeft) { return(num10); } if (horizontalAnchor == FigureHorizontalAnchor.ColumnRight) { return(num11); } return((num11 + num10) / 2); }
// Token: 0x060067D0 RID: 26576 RVA: 0x001D18A4 File Offset: 0x001CFAA4 internal static double CalculateFigureWidth(StructuralCache structuralCache, Figure figure, FigureLength figureLength, out bool isWidthAuto) { isWidthAuto = figureLength.IsAuto; FigureHorizontalAnchor horizontalAnchor = figure.HorizontalAnchor; double num; if (figureLength.IsPage || (figureLength.IsAuto && FigureHelper.IsHorizontalPageAnchor(horizontalAnchor))) { num = structuralCache.CurrentFormatContext.PageWidth * figureLength.Value; } else if (figureLength.IsAbsolute) { num = FigureHelper.CalculateFigureCommon(figureLength); } else { int num2; double num3; double num4; double num5; FigureHelper.GetColumnMetrics(structuralCache, out num2, out num3, out num4, out num5); if (figureLength.IsContent || (figureLength.IsAuto && FigureHelper.IsHorizontalContentAnchor(horizontalAnchor))) { num = (num3 * (double)num2 + num4 * (double)(num2 - 1)) * figureLength.Value; } else { double value = figureLength.Value; int num6 = (int)value; if ((double)num6 == value && num6 > 0) { num6--; } num = num3 * value + num4 * (double)num6; } } Invariant.Assert(!DoubleUtil.IsNaN(num)); return(num); }
/// <summary> /// Returns an appropriate search rectangle for collision based on anchor properties. /// </summary> private PTS.FSRECT CalculateSearchArea(FigureHorizontalAnchor horizAnchor, FigureVerticalAnchor vertAnchor, ref PTS.FSRECT fsrcPage, ref PTS.FSRECT fsrcMargin, ref PTS.FSRECT fsrcTrack, ref PTS.FSRECT fsrcFigurePreliminary) { PTS.FSRECT fsrcSearch; if (FigureHelper.IsHorizontalPageAnchor(horizAnchor)) { fsrcSearch.u = fsrcPage.u; fsrcSearch.du = fsrcPage.du; } else if (FigureHelper.IsHorizontalContentAnchor(horizAnchor)) { fsrcSearch.u = fsrcMargin.u; fsrcSearch.du = fsrcMargin.du; } else { fsrcSearch.u = fsrcTrack.u; fsrcSearch.du = fsrcTrack.du; } if (FigureHelper.IsVerticalPageAnchor(vertAnchor)) { fsrcSearch.v = fsrcPage.v; fsrcSearch.dv = fsrcPage.dv; } else if (FigureHelper.IsVerticalContentAnchor(vertAnchor)) { fsrcSearch.v = fsrcMargin.v; fsrcSearch.dv = fsrcMargin.dv; } else { fsrcSearch.v = fsrcFigurePreliminary.v; fsrcSearch.dv = (fsrcTrack.v + fsrcTrack.dv) - fsrcFigurePreliminary.v; } return(fsrcSearch); }
// ------------------------------------------------------------------ // Returns whether a horizontal anchor is relative to column // ------------------------------------------------------------------ internal static bool IsHorizontalColumnAnchor(FigureHorizontalAnchor horizontalAnchor) { return horizontalAnchor == FigureHorizontalAnchor.ColumnLeft || horizontalAnchor == FigureHorizontalAnchor.ColumnRight || horizontalAnchor == FigureHorizontalAnchor.ColumnCenter; }
// ------------------------------------------------------------------ // Returns whether a horizontal anchor is relative to content // ------------------------------------------------------------------ internal static bool IsHorizontalContentAnchor(FigureHorizontalAnchor horizontalAnchor) { return horizontalAnchor == FigureHorizontalAnchor.ContentLeft || horizontalAnchor == FigureHorizontalAnchor.ContentRight || horizontalAnchor == FigureHorizontalAnchor.ContentCenter; }
// ------------------------------------------------------------------ // Returns whether a horizontal anchor is relative to page // ------------------------------------------------------------------ internal static bool IsHorizontalPageAnchor(FigureHorizontalAnchor horizontalAnchor) { return horizontalAnchor == FigureHorizontalAnchor.PageLeft || horizontalAnchor == FigureHorizontalAnchor.PageRight || horizontalAnchor == FigureHorizontalAnchor.PageCenter; }
/// <summary> /// Returns an appropriate search rectangle for collision based on anchor properties. /// </summary> private PTS.FSRECT CalculateSearchArea(FigureHorizontalAnchor horizAnchor, FigureVerticalAnchor vertAnchor, ref PTS.FSRECT fsrcPage, ref PTS.FSRECT fsrcMargin, ref PTS.FSRECT fsrcTrack, ref PTS.FSRECT fsrcFigurePreliminary) { PTS.FSRECT fsrcSearch; if(FigureHelper.IsHorizontalPageAnchor(horizAnchor)) { fsrcSearch.u = fsrcPage.u; fsrcSearch.du = fsrcPage.du; } else if(FigureHelper.IsHorizontalContentAnchor(horizAnchor)) { fsrcSearch.u = fsrcMargin.u; fsrcSearch.du = fsrcMargin.du; } else { fsrcSearch.u = fsrcTrack.u; fsrcSearch.du = fsrcTrack.du; } if(FigureHelper.IsVerticalPageAnchor(vertAnchor)) { fsrcSearch.v = fsrcPage.v; fsrcSearch.dv = fsrcPage.dv; } else if(FigureHelper.IsVerticalContentAnchor(vertAnchor)) { fsrcSearch.v = fsrcMargin.v; fsrcSearch.dv = fsrcMargin.dv; } else { fsrcSearch.v = fsrcFigurePreliminary.v; fsrcSearch.dv = (fsrcTrack.v + fsrcTrack.dv) - fsrcFigurePreliminary.v; } return fsrcSearch; }
// ------------------------------------------------------------------ // Determines what offset is required to convert a paragraph aligned figure into a column aligned figure. // ------------------------------------------------------------------ private int CalculateParagraphToColumnOffset(FigureHorizontalAnchor horizontalAnchor, PTS.FSRECT fsrcInColumn) { Invariant.Assert(FigureHelper.IsHorizontalColumnAnchor(horizontalAnchor)); int uComparisonPoint; // Depending on anchoring, only the anchored edge (center) is guaranteed to be inside of the column, so finding affected column // requires us to compare against the anchored edge U position. if(horizontalAnchor == FigureHorizontalAnchor.ColumnLeft) { uComparisonPoint = fsrcInColumn.u; } else if(horizontalAnchor == FigureHorizontalAnchor.ColumnRight) { uComparisonPoint = fsrcInColumn.u + fsrcInColumn.du - 1; // du is non-inclusive } else { uComparisonPoint = fsrcInColumn.u + (fsrcInColumn.du / 2) - 1; // du is non-inclusive } double columnWidth, gap, rule; int cColumns; FigureHelper.GetColumnMetrics(StructuralCache, out cColumns, out columnWidth, out gap, out rule); Invariant.Assert(cColumns > 0); int duColumnTotal = TextDpi.ToTextDpi(columnWidth + gap); int affectedColumn = (uComparisonPoint - StructuralCache.CurrentFormatContext.PageMarginRect.u) / duColumnTotal; int columnLeft = StructuralCache.CurrentFormatContext.PageMarginRect.u + affectedColumn * duColumnTotal; int columnDU = TextDpi.ToTextDpi(columnWidth); int totalMarginLeft = columnLeft - fsrcInColumn.u; int totalMarginRight = (columnLeft + columnDU) - (fsrcInColumn.u + fsrcInColumn.du); if(horizontalAnchor == FigureHorizontalAnchor.ColumnLeft) { return totalMarginLeft; } else if(horizontalAnchor == FigureHorizontalAnchor.ColumnRight) { return totalMarginRight; } else { return (totalMarginRight + totalMarginLeft) / 2; } }
// Token: 0x06002CAB RID: 11435 RVA: 0x000C95DC File Offset: 0x000C77DC private static bool IsValidHorizontalAnchor(object o) { FigureHorizontalAnchor figureHorizontalAnchor = (FigureHorizontalAnchor)o; return(figureHorizontalAnchor == FigureHorizontalAnchor.ContentCenter || figureHorizontalAnchor == FigureHorizontalAnchor.ContentLeft || figureHorizontalAnchor == FigureHorizontalAnchor.ContentRight || figureHorizontalAnchor == FigureHorizontalAnchor.PageCenter || figureHorizontalAnchor == FigureHorizontalAnchor.PageLeft || figureHorizontalAnchor == FigureHorizontalAnchor.PageRight || figureHorizontalAnchor == FigureHorizontalAnchor.ColumnCenter || figureHorizontalAnchor == FigureHorizontalAnchor.ColumnLeft || figureHorizontalAnchor == FigureHorizontalAnchor.ColumnRight); }
// ------------------------------------------------------------------ // Returns whether a horizontal anchor is relative to column // ------------------------------------------------------------------ internal static bool IsHorizontalColumnAnchor(FigureHorizontalAnchor horizontalAnchor) { return(horizontalAnchor == FigureHorizontalAnchor.ColumnLeft || horizontalAnchor == FigureHorizontalAnchor.ColumnRight || horizontalAnchor == FigureHorizontalAnchor.ColumnCenter); }
// ------------------------------------------------------------------ // Returns whether a horizontal anchor is relative to content // ------------------------------------------------------------------ internal static bool IsHorizontalContentAnchor(FigureHorizontalAnchor horizontalAnchor) { return(horizontalAnchor == FigureHorizontalAnchor.ContentLeft || horizontalAnchor == FigureHorizontalAnchor.ContentRight || horizontalAnchor == FigureHorizontalAnchor.ContentCenter); }
// ------------------------------------------------------------------ // Returns whether a horizontal anchor is relative to page // ------------------------------------------------------------------ internal static bool IsHorizontalPageAnchor(FigureHorizontalAnchor horizontalAnchor) { return(horizontalAnchor == FigureHorizontalAnchor.PageLeft || horizontalAnchor == FigureHorizontalAnchor.PageRight || horizontalAnchor == FigureHorizontalAnchor.PageCenter); }
internal void GetFigureProperties(FigureParaClient paraClient, int fInTextLine, uint fswdir, int fBottomUndefined, out int dur, out int dvr, out PTS.FSFIGUREPROPS fsfigprops, out int cPolygons, out int cVertices, out int durDistTextLeft, out int durDistTextRight, out int dvrDistTextTop, out int dvrDistTextBottom) { Invariant.Assert(base.StructuralCache.CurrentFormatContext.FinitePage); uint num = PTS.FlowDirectionToFswdir((FlowDirection)base.Element.GetValue(FrameworkElement.FlowDirectionProperty)); Figure figure = (Figure)base.Element; MbpInfo mbpInfo = MbpInfo.FromElement(base.Element, base.StructuralCache.TextFormatterHost.PixelsPerDip); durDistTextLeft = (durDistTextRight = (dvrDistTextTop = (dvrDistTextBottom = 0))); bool flag; double width = FigureHelper.CalculateFigureWidth(base.StructuralCache, figure, figure.Width, out flag); double d = this.LimitTotalWidthFromAnchor(width, TextDpi.FromTextDpi(mbpInfo.MarginLeft + mbpInfo.MarginRight)); int num2 = Math.Max(1, TextDpi.ToTextDpi(d) - (mbpInfo.BPLeft + mbpInfo.BPRight)); bool flag2; double height = FigureHelper.CalculateFigureHeight(base.StructuralCache, figure, figure.Height, out flag2); double d2 = this.LimitTotalHeightFromAnchor(height, TextDpi.FromTextDpi(mbpInfo.MarginTop + mbpInfo.MarginBottom)); int num3 = Math.Max(1, TextDpi.ToTextDpi(d2) - (mbpInfo.BPTop + mbpInfo.BPBottom)); int num4 = 1; PTS.FSCOLUMNINFO[] array = new PTS.FSCOLUMNINFO[num4]; array[0].durBefore = 0; array[0].durWidth = num2; PTS.FSRECT fsrect = new PTS.FSRECT(0, 0, num2, num3); PTS.FSFMTR fsfmtr; IntPtr intPtr; IntPtr intPtr2; PTS.FSBBOX fsbbox; IntPtr zero; int num5; this.CreateSubpageFiniteHelper(base.PtsContext, IntPtr.Zero, 0, this._mainTextSegment.Handle, IntPtr.Zero, 0, 1, fswdir, num2, num3, ref fsrect, num4, array, 0, out fsfmtr, out intPtr, out intPtr2, out dvr, out fsbbox, out zero, out num5); if (intPtr2 != IntPtr.Zero) { PTS.Validate(PTS.FsDestroySubpageBreakRecord(base.PtsContext.Context, intPtr2)); } if (PTS.ToBoolean(fsbbox.fDefined)) { if (fsbbox.fsrc.du < num2 && flag) { if (intPtr != IntPtr.Zero) { PTS.Validate(PTS.FsDestroySubpage(base.PtsContext.Context, intPtr), base.PtsContext); } if (zero != IntPtr.Zero) { MarginCollapsingState marginCollapsingState = base.PtsContext.HandleToObject(zero) as MarginCollapsingState; PTS.ValidateHandle(marginCollapsingState); marginCollapsingState.Dispose(); zero = IntPtr.Zero; } num2 = fsbbox.fsrc.du + 1; array[0].durWidth = num2; PTS.FSRECT fsrect2 = new PTS.FSRECT(0, 0, num2, num3); PTS.FSFMTR fsfmtr2; IntPtr intPtr3; this.CreateSubpageFiniteHelper(base.PtsContext, IntPtr.Zero, 0, this._mainTextSegment.Handle, IntPtr.Zero, 0, 1, fswdir, num2, num3, ref fsrect2, num4, array, 0, out fsfmtr2, out intPtr, out intPtr3, out dvr, out fsbbox, out zero, out num5); if (intPtr3 != IntPtr.Zero) { PTS.Validate(PTS.FsDestroySubpageBreakRecord(base.PtsContext.Context, intPtr3)); } } } else { num2 = TextDpi.ToTextDpi(TextDpi.MinWidth); } dur = num2 + mbpInfo.MBPLeft + mbpInfo.MBPRight; if (zero != IntPtr.Zero) { MarginCollapsingState marginCollapsingState2 = base.PtsContext.HandleToObject(zero) as MarginCollapsingState; PTS.ValidateHandle(marginCollapsingState2); marginCollapsingState2.Dispose(); zero = IntPtr.Zero; } dvr += mbpInfo.MBPTop + mbpInfo.MBPBottom; if (!flag2) { dvr = TextDpi.ToTextDpi(d2) + mbpInfo.MarginTop + mbpInfo.MarginBottom; } FigureHorizontalAnchor horizontalAnchor = figure.HorizontalAnchor; FigureVerticalAnchor verticalAnchor = figure.VerticalAnchor; fsfigprops.fskrefU = (PTS.FSKREF)(horizontalAnchor / FigureHorizontalAnchor.ContentLeft); fsfigprops.fskrefV = (PTS.FSKREF)(verticalAnchor / FigureVerticalAnchor.ContentTop); fsfigprops.fskalfU = (PTS.FSKALIGNFIG)(horizontalAnchor % FigureHorizontalAnchor.ContentLeft); fsfigprops.fskalfV = (PTS.FSKALIGNFIG)(verticalAnchor % FigureVerticalAnchor.ContentTop); 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; } } fsfigprops.fskwrap = PTS.WrapDirectionToFskwrap(figure.WrapDirection); fsfigprops.fNonTextPlane = 0; fsfigprops.fAllowOverlap = 0; fsfigprops.fDelayable = PTS.FromBoolean(figure.CanDelayPlacement); cPolygons = (cVertices = 0); paraClient.SubpageHandle = intPtr; }
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; }
//------------------------------------------------------------------- // CalcFigurePosition //------------------------------------------------------------------- internal void CalcFigurePosition( FigureParaClient paraClient, // IN: uint fswdir, // IN: current direction ref PTS.FSRECT fsrcPage, // IN: page rectangle ref PTS.FSRECT fsrcMargin, // IN: rectangle within page margins ref PTS.FSRECT fsrcTrack, // IN: track rectangle ref PTS.FSRECT fsrcFigurePreliminary, // IN: prelim figure rect calculated from figure props int fMustPosition, // IN: must find position in this track? int fInTextLine, // IN: it is attached to text line out int fPushToNextTrack, // OUT: push to next track? out PTS.FSRECT fsrcFlow, // OUT: FlowAround rectangle out PTS.FSRECT fsrcOverlap, // OUT: Overlap rectangle out PTS.FSBBOX fsbbox, // OUT: bbox out PTS.FSRECT fsrcSearch) // OUT: search area for overlap { Figure element = (Figure)Element; // If overlapping happens, let PTS find another position withing // the track rectangle. FigureHorizontalAnchor horizAnchor = element.HorizontalAnchor; FigureVerticalAnchor vertAnchor = element.VerticalAnchor; fsrcSearch = CalculateSearchArea(horizAnchor, vertAnchor, ref fsrcPage, ref fsrcMargin, ref fsrcTrack, ref fsrcFigurePreliminary); if (vertAnchor == FigureVerticalAnchor.ParagraphTop && fsrcFigurePreliminary.v != fsrcMargin.v && // If we're not at the top of the column ((fsrcFigurePreliminary.v + fsrcFigurePreliminary.dv) > (fsrcTrack.v + fsrcTrack.dv)) && // And we exceed column height !PTS.ToBoolean(fMustPosition)) // Can delay placement is handled by figure properties. { fPushToNextTrack = PTS.True; } else { fPushToNextTrack = PTS.False; } // Use rectangle proposed by PTS and make sure that figure fits completely in the page. fsrcFlow = fsrcFigurePreliminary; if (FigureHelper.IsHorizontalColumnAnchor(horizAnchor)) { fsrcFlow.u += CalculateParagraphToColumnOffset(horizAnchor, fsrcFigurePreliminary); } // Apply horizontal and vertical offsets. Offsets are limited by page height and width fsrcFlow.u += TextDpi.ToTextDpi(element.HorizontalOffset); fsrcFlow.v += TextDpi.ToTextDpi(element.VerticalOffset); // Overlap rectangle is the same as flow around rect fsrcOverlap = fsrcFlow; /* If we're anchored to column/content left or right, inflate our overlap width to prevent from aligning two figures right next to one another * by incorporating column gap information */ if (!FigureHelper.IsHorizontalPageAnchor(horizAnchor) && horizAnchor != FigureHorizontalAnchor.ColumnCenter && horizAnchor != FigureHorizontalAnchor.ContentCenter) { double columnWidth, gap, rule; int cColumns; FigureHelper.GetColumnMetrics(StructuralCache, out cColumns, out columnWidth, out gap, out rule); int duColumnWidth = TextDpi.ToTextDpi(columnWidth); int duGapWidth = TextDpi.ToTextDpi(gap); int duColumnWidthWithGap = duColumnWidth + duGapWidth; int fullColumns = (fsrcOverlap.du / duColumnWidthWithGap); int duRoundedToNearestColumn = ((fullColumns + 1) * duColumnWidthWithGap) - duGapWidth; fsrcOverlap.du = duRoundedToNearestColumn; // Round overlap rect to nearest column if (horizAnchor == FigureHorizontalAnchor.ContentRight || horizAnchor == FigureHorizontalAnchor.ColumnRight) { fsrcOverlap.u = (fsrcFlow.u + fsrcFlow.du + duGapWidth) - fsrcOverlap.du; } // Force search rect to only work vertically within overlap space. fsrcSearch.u = fsrcOverlap.u; fsrcSearch.du = fsrcOverlap.du; } // Bounding box is equal to actual size of the figure. fsbbox = new PTS.FSBBOX(); fsbbox.fDefined = PTS.True; fsbbox.fsrc = fsrcFlow; }