public override Status Layout(Area area)
{
if (this.marker == MarkerBreakAfter)
{
return(new Status(Status.OK));
}
if (this.marker == MarkerStart)
{
AccessibilityProps mAccProps = propMgr.GetAccessibilityProps();
AuralProps mAurProps = propMgr.GetAuralProps();
BorderAndPadding bap = propMgr.GetBorderAndPadding();
BackgroundProps bProps = propMgr.GetBackgroundProps();
MarginInlineProps mProps = propMgr.GetMarginInlineProps();
RelativePositionProps mRelProps = propMgr.GetRelativePositionProps();
string id = this.properties.GetProperty("id").GetString();
int align = this.properties.GetProperty("text-align").GetEnum();
int valign = this.properties.GetProperty("vertical-align").GetEnum();
int overflow = this.properties.GetProperty("overflow").GetEnum();
this.breakBefore = this.properties.GetProperty("break-before").GetEnum();
this.breakAfter = this.properties.GetProperty("break-after").GetEnum();
this.width = this.properties.GetProperty("width").GetLength().MValue();
this.height = this.properties.GetProperty("height").GetLength().MValue();
this.contwidth =
this.properties.GetProperty("content-width").GetLength().MValue();
this.contheight =
this.properties.GetProperty("content-height").GetLength().MValue();
this.wauto = this.properties.GetProperty("width").GetLength().IsAuto();
this.hauto = this.properties.GetProperty("height").GetLength().IsAuto();
this.cwauto =
this.properties.GetProperty("content-width").GetLength().IsAuto();
this.chauto =
this.properties.GetProperty("content-height").GetLength().IsAuto();
this.startIndent =
this.properties.GetProperty("start-indent").GetLength().MValue();
this.endIndent =
this.properties.GetProperty("end-indent").GetLength().MValue();
this.spaceBefore =
this.properties.GetProperty("space-before.optimum").GetLength().MValue();
this.spaceAfter =
this.properties.GetProperty("space-after.optimum").GetLength().MValue();
this.scaling = this.properties.GetProperty("scaling").GetEnum();
area.getIDReferences().CreateID(id);
if (this.areaCurrent == null)
{
this.areaCurrent =
new ForeignObjectArea(propMgr.GetFontState(area.getFontInfo()),
area.getAllocationWidth());
this.areaCurrent.start();
areaCurrent.SetWidth(this.width);
areaCurrent.SetHeight(this.height);
areaCurrent.SetContentWidth(this.contwidth);
areaCurrent.setContentHeight(this.contheight);
areaCurrent.setScaling(this.scaling);
areaCurrent.setAlign(align);
areaCurrent.setVerticalAlign(valign);
areaCurrent.setOverflow(overflow);
areaCurrent.setSizeAuto(wauto, hauto);
areaCurrent.setContentSizeAuto(cwauto, chauto);
areaCurrent.setPage(area.getPage());
int numChildren = this.children.Count;
if (numChildren > 1)
{
throw new FonetException("Only one child element is allowed in an instream-foreign-object");
}
if (this.children.Count > 0)
{
FONode fo = (FONode)children[0];
Status status;
if ((status =
fo.Layout(this.areaCurrent)).isIncomplete())
{
return(status);
}
this.areaCurrent.end();
}
}
this.marker = 0;
if (breakBefore == BreakBefore.PAGE ||
((spaceBefore + areaCurrent.getEffectiveHeight())
> area.spaceLeft()))
{
return(new Status(Status.FORCE_PAGE_BREAK));
}
if (breakBefore == BreakBefore.ODD_PAGE)
{
return(new Status(Status.FORCE_PAGE_BREAK_ODD));
}
if (breakBefore == BreakBefore.EVEN_PAGE)
{
return(new Status(Status.FORCE_PAGE_BREAK_EVEN));
}
}
if (this.areaCurrent == null)
{
return(new Status(Status.OK));
}
if (area is BlockArea)
{
BlockArea ba = (BlockArea)area;
LineArea la = ba.getCurrentLineArea();
if (la == null)
{
return(new Status(Status.AREA_FULL_NONE));
}
la.addPending();
if (areaCurrent.getEffectiveWidth() > la.getRemainingWidth())
{
la = ba.createNextLineArea();
if (la == null)
{
return(new Status(Status.AREA_FULL_NONE));
}
}
la.addInlineArea(areaCurrent, GetLinkSet());
}
else
{
area.addChild(areaCurrent);
area.increaseHeight(areaCurrent.getEffectiveHeight());
}
if (this.isInTableCell)
{
startIndent += forcedStartOffset;
}
areaCurrent.setStartIndent(startIndent);
areaCurrent.setPage(area.getPage());
if (breakAfter == BreakAfter.PAGE)
{
this.marker = MarkerBreakAfter;
return(new Status(Status.FORCE_PAGE_BREAK));
}
if (breakAfter == BreakAfter.ODD_PAGE)
{
this.marker = MarkerBreakAfter;
return(new Status(Status.FORCE_PAGE_BREAK_ODD));
}
if (breakAfter == BreakAfter.EVEN_PAGE)
{
this.marker = MarkerBreakAfter;
return(new Status(Status.FORCE_PAGE_BREAK_EVEN));
}
areaCurrent = null;
return(new Status(Status.OK));
}
/**
* render a foreign object area
*/
public void RenderForeignObjectArea(ForeignObjectArea area)
{
// if necessary need to scale and align the content
this.currentXPosition = this.currentXPosition + area.getXOffset();
// TODO: why was this here? this.currentYPosition = this.currentYPosition;
switch (area.getAlign())
{
case TextAlign.START:
break;
case TextAlign.END:
break;
case TextAlign.CENTER:
case TextAlign.JUSTIFY:
break;
}
switch (area.getVerticalAlign())
{
case VerticalAlign.BASELINE:
break;
case VerticalAlign.MIDDLE:
break;
case VerticalAlign.SUB:
break;
case VerticalAlign.SUPER:
break;
case VerticalAlign.TEXT_TOP:
break;
case VerticalAlign.TEXT_BOTTOM:
break;
case VerticalAlign.TOP:
break;
case VerticalAlign.BOTTOM:
break;
}
CloseText();
// in general the content will not be text
currentStream.EndTextObject();
// align and scale
currentStream.SaveGraphicsState();
switch (area.scalingMethod())
{
case Scaling.UNIFORM:
break;
case Scaling.NON_UNIFORM:
break;
}
// if the overflow is auto (default), scroll or visible
// then the contents should not be clipped, since this
// is considered a printing medium.
switch (area.getOverflow())
{
case Overflow.VISIBLE:
case Overflow.SCROLL:
case Overflow.AUTO:
break;
case Overflow.HIDDEN:
break;
}
area.getObject().render(this);
currentStream.RestoreGraphicsState();
currentStream.BeginTextObject();
this.currentXPosition += area.getEffectiveWidth();
// this.currentYPosition -= area.getEffectiveHeight();
}
