public int AddLeader(BlockArea ba, FontState fontState, float red,
float green, float blue, int leaderPattern,
int leaderLengthMinimum, int leaderLengthOptimum,
int leaderLengthMaximum, int ruleThickness,
int ruleStyle, int leaderPatternWidth,
int leaderAlignment)
{
LineArea la = ba.getCurrentLineArea();
if (la == null)
{
return(-1);
}
la.changeFont(fontState);
la.changeColor(red, green, blue);
if (leaderLengthOptimum <= (la.getRemainingWidth()))
{
la.AddLeader(leaderPattern, leaderLengthMinimum,
leaderLengthOptimum, leaderLengthMaximum, ruleStyle,
ruleThickness, leaderPatternWidth, leaderAlignment);
}
else
{
la = ba.createNextLineArea();
if (la == null)
{
return(-1);
}
la.changeFont(fontState);
la.changeColor(red, green, blue);
if (leaderLengthMinimum <= la.getContentWidth())
{
la.AddLeader(leaderPattern, leaderLengthMinimum,
leaderLengthOptimum, leaderLengthMaximum,
ruleStyle, ruleThickness, leaderPatternWidth,
leaderAlignment);
}
else
{
FonetDriver.ActiveDriver.FireFonetWarning(
"Leader doesn't fit into line, it will be clipped to fit.");
la.AddLeader(leaderPattern, la.getRemainingWidth(),
leaderLengthOptimum, leaderLengthMaximum,
ruleStyle, ruleThickness, leaderPatternWidth,
leaderAlignment);
}
}
return(1);
}
protected static int addRealText(BlockArea ba, FontState fontState,
float red, float green, float blue,
WrapOption wrapOption, LinkSet ls,
int whiteSpaceCollapse, char[] data,
int start, int end, TextState textState,
VerticalAlign vAlign)
{
int ts, te;
char[] ca;
ts = start;
te = end;
ca = data;
LineArea la = ba.getCurrentLineArea();
if (la == null)
{
return(start);
}
la.changeFont(fontState);
la.changeColor(red, green, blue);
la.changeWrapOption(wrapOption);
la.changeWhiteSpaceCollapse(whiteSpaceCollapse);
la.changeVerticalAlign(vAlign);
ba.setupLinkSet(ls);
ts = la.addText(ca, ts, te, ls, textState);
while (ts != -1)
{
la = ba.createNextLineArea();
if (la == null)
{
return(ts);
}
la.changeFont(fontState);
la.changeColor(red, green, blue);
la.changeWrapOption(wrapOption);
la.changeWhiteSpaceCollapse(whiteSpaceCollapse);
ba.setupLinkSet(ls);
ts = la.addText(ca, ts, te, ls, textState);
}
return(-1);
}
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));
}
public override Status Layout(Area area)
{
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();
this.align = this.properties.GetProperty("text-align").GetEnum();
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.width = this.properties.GetProperty("width").GetLength().MValue();
this.height = this.properties.GetProperty("height").GetLength().MValue();
this.src = this.properties.GetProperty("src").GetString();
this.id = this.properties.GetProperty("id").GetString();
area.getIDReferences().CreateID(id);
this.marker = 0;
}
try
{
FonetImage img = FonetImageFactory.Make(src);
if ((width == 0) || (height == 0))
{
double imgWidth = img.Width;
double imgHeight = img.Height;
if ((width == 0) && (height == 0))
{
width = (int)((imgWidth * 1000d));
height = (int)((imgHeight * 1000d));
}
else if (height == 0)
{
height = (int)((imgHeight * ((double)width)) / imgWidth);
}
else if (width == 0)
{
width = (int)((imgWidth * ((double)height)) / imgHeight);
}
}
double ratio = (double)width / (double)height;
Length maxWidth = this.properties.GetProperty("max-width").GetLength();
Length maxHeight = this.properties.GetProperty("max-height").GetLength();
if (maxWidth != null && width > maxWidth.MValue())
{
width = maxWidth.MValue();
height = (int)(((double)width) / ratio);
}
if (maxHeight != null && height > maxHeight.MValue())
{
height = maxHeight.MValue();
width = (int)(ratio * ((double)height));
}
int areaWidth = area.getAllocationWidth() - startIndent - endIndent;
int pageHeight = area.getPage().getBody().getMaxHeight() - spaceBefore;
if (height > pageHeight)
{
height = pageHeight;
width = (int)(ratio * ((double)height));
}
if (width > areaWidth)
{
width = areaWidth;
height = (int)(((double)width) / ratio);
}
if (area.spaceLeft() < (height + spaceBefore))
{
return(new Status(Status.AREA_FULL_NONE));
}
this.imageArea =
new ImageArea(propMgr.GetFontState(area.getFontInfo()), img,
area.getAllocationWidth(), width, height,
startIndent, endIndent, align);
if ((spaceBefore != 0) && (this.marker == 0))
{
area.addDisplaySpace(spaceBefore);
}
if (marker == 0)
{
area.GetMyRefs().ConfigureID(id, area);
}
imageArea.start();
imageArea.end();
if (spaceAfter != 0)
{
area.addDisplaySpace(spaceAfter);
}
if (breakBefore == BreakBefore.PAGE ||
((spaceBefore + imageArea.GetHeight())
> 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 (area is BlockArea)
{
BlockArea ba = (BlockArea)area;
LineArea la = ba.getCurrentLineArea();
if (la == null)
{
return(new Status(Status.AREA_FULL_NONE));
}
la.addPending();
if (imageArea.getContentWidth() > la.getRemainingWidth())
{
la = ba.createNextLineArea();
if (la == null)
{
return(new Status(Status.AREA_FULL_NONE));
}
}
la.addInlineArea(imageArea, GetLinkSet());
}
else
{
area.addChild(imageArea);
area.increaseHeight(imageArea.getContentHeight());
}
imageArea.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));
}
}
catch (FonetImageException imgex)
{
FonetDriver.ActiveDriver.FireFonetError("Error while creating area : " + imgex.Message);
}
return(new Status(Status.OK));
}