Package org.apache.fop.area

Examples of org.apache.fop.area.LineArea$LineAdjustingInfo


            iCurrParIndex = lbp.iParIndex;
            KnuthSequence seq = (KnuthSequence) knuthParagraphs.get(iCurrParIndex);
            int iStartElement = lbp.iStartIndex;
            int iEndElement = lbp.getLeafPos();
           
            LineArea lineArea
              = new LineArea((lbp.getLeafPos() < seq.size() - 1
                              ? textAlignment : textAlignmentLast),
                              lbp.difference, lbp.availableStretch, lbp.availableShrink);
            if (lbp.startIndent != 0) {
                lineArea.addTrait(Trait.START_INDENT, new Integer(lbp.startIndent));
            }
            lineArea.setBPD(lbp.lineHeight);
            lineArea.setIPD(lbp.lineWidth);
            lineArea.addTrait(Trait.SPACE_BEFORE, new Integer(lbp.spaceBefore));
            lineArea.addTrait(Trait.SPACE_AFTER, new Integer(lbp.spaceAfter));
            alignmentContext.resizeLine(lbp.lineHeight, lbp.baseline);
           
            if (seq instanceof Paragraph) {
                Paragraph currPar = (Paragraph) seq;
                // ignore the first elements added by the LineLayoutManager
                iStartElement += (iStartElement == 0) ? currPar.ignoreAtStart : 0;
               
                // if this is the last line area that for this paragraph,
                // ignore the last elements added by the LineLayoutManager and
                // subtract the last-line-end-indent from the area ipd
                if (iEndElement == (currPar.size() - 1)) {
                    iEndElement -= currPar.ignoreAtEnd;
                    lineArea.setIPD(lineArea.getIPD() - lastLineEndIndent.getValue(this));
                }
            }
           
            // Remove trailing spaces if allowed so
            if (whiteSpaceTreament == EN_IGNORE_IF_SURROUNDING_LINEFEED
                || whiteSpaceTreament == EN_IGNORE
                || whiteSpaceTreament == EN_IGNORE_IF_BEFORE_LINEFEED) {
                // ignore the last element in the line if it is a KnuthGlue object
                seqIterator = seq.listIterator(iEndElement);
                tempElement = (KnuthElement) seqIterator.next();
                if (tempElement.isGlue()) {
                    iEndElement--;
                    // this returns the same KnuthElement
                    seqIterator.previous();
                    if (seqIterator.hasPrevious()) {
                        tempElement = (KnuthElement) seqIterator.previous();
                    } else {
                        tempElement = null;
                    }
                }
                if (tempElement != null) {
                    lastLM = tempElement.getLayoutManager();
                }
            }
           
            // Remove leading spaces if allowed so
            if (whiteSpaceTreament == EN_IGNORE_IF_SURROUNDING_LINEFEED
                || whiteSpaceTreament == EN_IGNORE
                || whiteSpaceTreament == EN_IGNORE_IF_AFTER_LINEFEED) {
                // ignore KnuthGlue and KnuthPenalty objects
                // at the beginning of the line
                seqIterator = seq.listIterator(iStartElement);
                tempElement = (KnuthElement) seqIterator.next();
                while (!tempElement.isBox() && seqIterator.hasNext()) {
                    tempElement = (KnuthElement) seqIterator.next();
                    iStartElement++;
                }
            }
            // Add the inline areas to lineArea
            PositionIterator inlinePosIter
              = new KnuthPossPosIter(seq, iStartElement, iEndElement + 1);
           
            iStartElement = lbp.getLeafPos() + 1;
            if (iStartElement == seq.size()) {
                // advance to next paragraph
                iStartElement = 0;
            }
           
            LayoutContext lc = new LayoutContext(0);
            lc.setAlignmentContext(alignmentContext);
            lc.setSpaceAdjust(lbp.dAdjust);
            lc.setIPDAdjust(lbp.ipdAdjust);
            lc.setLeadingSpace(new SpaceSpecifier(true));
            lc.setTrailingSpace(new SpaceSpecifier(false));
            lc.setFlags(LayoutContext.RESOLVE_LEADING_SPACE, true);
           
            /*
             * extension (not in the XSL FO recommendation): if the left and right margins
             * have been optimized, recompute indents and / or adjust ratio, according
             * to the paragraph horizontal alignment
             */
            if (false && textAlignment == EN_JUSTIFY) {
                // re-compute space adjust ratio
                int updatedDifference = context.getStackLimit().opt
                                        - lbp.lineWidth + lbp.difference;
                double updatedRatio = 0.0;
                if (updatedDifference > 0) {
                    updatedRatio = (float) updatedDifference / lbp.availableStretch;
                } else if (updatedDifference < 0) {
                    updatedRatio = (float) updatedDifference / lbp.availableShrink;
                }
                lc.setIPDAdjust(updatedRatio);
                //log.debug("LLM.addAreas> old difference = " + lbp.difference + " new difference = " + updatedDifference);
                //log.debug("              old ratio = " + lbp.ipdAdjust + " new ratio = " + updatedRatio);
            } else if (false && textAlignment == EN_CENTER) {
                // re-compute indent
                int updatedIndent = lbp.startIndent
                                    + (context.getStackLimit().opt - lbp.lineWidth) / 2;
                lineArea.addTrait(Trait.START_INDENT, new Integer(updatedIndent));
            } else if (false && textAlignment == EN_END) {
                // re-compute indent
                int updatedIndent = lbp.startIndent
                                    + (context.getStackLimit().opt - lbp.lineWidth);
                lineArea.addTrait(Trait.START_INDENT, new Integer(updatedIndent));
            }
           
            setCurrentArea(lineArea);
            setChildContext(lc);
            LayoutManager childLM;
            while ((childLM = inlinePosIter.getNextChildLM()) != null) {
                lc.setFlags(LayoutContext.LAST_AREA, (childLM == lastLM));
                childLM.addAreas(inlinePosIter, lc);
                lc.setLeadingSpace(lc.getTrailingSpace());
                lc.setTrailingSpace(new SpaceSpecifier(false));
            }
           
            // when can this be null?
            // if display-align is distribute, add space after
            if (context.getSpaceAfter() > 0
                    && (!context.isLastArea() || !isLastPosition)) {
                lineArea.setBPD(lineArea.getBPD() + context.getSpaceAfter());
            }
            lineArea.finalise();
            parentLM.addChildArea(lineArea);
    }
View Full Code Here


        LayoutManager lastLM = null;
        if (isLastPosition) {
            lastLM = innerPosition.getLM();
        }
       
        LineArea lineArea = new LineArea();
        setCurrentArea(lineArea);
        LayoutContext lc = new LayoutContext(0);
        lc.setAlignmentContext(alignmentContext);
        setChildContext(lc);
       
        PositionIterator childPosIter = new StackingIter(positionList.listIterator());
        LayoutContext blocklc = new LayoutContext(0);
        blocklc.setLeadingSpace(new SpaceSpecifier(true));
        blocklc.setTrailingSpace(new SpaceSpecifier(false));
        blocklc.setFlags(LayoutContext.RESOLVE_LEADING_SPACE, true);
        LayoutManager childLM;
        while ((childLM = childPosIter.getNextChildLM()) != null) {
            // set last area flag
            blocklc.setFlags(LayoutContext.LAST_AREA,
                             (context.isLastArea() && childLM == lastLM));
            blocklc.setStackLimit(context.getStackLimit());
            // Add the line areas to Area
            childLM.addAreas(childPosIter, blocklc);
            blocklc.setLeadingSpace(blocklc.getTrailingSpace());
            blocklc.setTrailingSpace(new SpaceSpecifier(false));
        }
        lineArea.updateExtentsFromChildren();
        parentLM.addChildArea(lineArea);
    }
View Full Code Here

                containingBPPosition = contBP;
                containingIPPosition = contIP;
            } else {
                // a line area is rendered from the top left position
                // of the line, each inline object is offset from there
                LineArea line = (LineArea) obj;
                currentIPPosition = contIP
                        + parent.getStartIndent()
                        + line.getStartIndent();
                renderLineArea(line);
                //InlineArea child = (InlineArea) line.getInlineAreas().get(0);
                currentBPPosition += line.getAllocBPD();
            }
            currentIPPosition = saveIP;
        }
    }
View Full Code Here

     */
    public void activateLayout() {
        startPageNum = pageSeq.getStartingPageNumber();
        currentPageNum = startPageNum - 1;

        LineArea title = null;

        if (pageSeq.getTitleFO() != null) {
            try {
                ContentLayoutManager clm = getLayoutManagerMaker().
                    makeContentLayoutManager(this, pageSeq.getTitleFO());
View Full Code Here

                containingBPPosition = contBP;
                containingIPPosition = contIP;
            } else {
                // a line area is rendered from the top left position
                // of the line, each inline object is offset from there
                LineArea line = (LineArea) obj;
                currentIPPosition = contIP
                        + parent.getStartIndent()
                        + line.getStartIndent();
                renderLineArea(line);
                //InlineArea child = (InlineArea) line.getInlineAreas().get(0);
                currentBPPosition += line.getAllocBPD();
            }
            currentIPPosition = saveIP;
        }
    }
View Full Code Here

            iCurrParIndex = lbp.iParIndex;
            KnuthSequence seq = (KnuthSequence) knuthParagraphs.get(iCurrParIndex);
            int iStartElement = lbp.iStartIndex;
            int iEndElement = lbp.getLeafPos();
           
            LineArea lineArea
              = new LineArea((lbp.getLeafPos() < seq.size() - 1
                              ? textAlignment : textAlignmentLast),
                              lbp.difference, lbp.availableStretch, lbp.availableShrink);
            if (lbp.startIndent != 0) {
                lineArea.addTrait(Trait.START_INDENT, new Integer(lbp.startIndent));
            }
            lineArea.setBPD(lbp.lineHeight);
            lineArea.setIPD(lbp.lineWidth);
            lineArea.addTrait(Trait.SPACE_BEFORE, new Integer(lbp.spaceBefore));
            lineArea.addTrait(Trait.SPACE_AFTER, new Integer(lbp.spaceAfter));
            alignmentContext.resizeLine(lbp.lineHeight, lbp.baseline);
           
            if (seq instanceof Paragraph) {
                Paragraph currPar = (Paragraph) seq;
                // ignore the first elements added by the LineLayoutManager
                iStartElement += (iStartElement == 0) ? currPar.ignoreAtStart : 0;
               
                // if this is the last line area that for this paragraph,
                // ignore the last elements added by the LineLayoutManager and
                // subtract the last-line-end-indent from the area ipd
                if (iEndElement == (currPar.size() - 1)) {
                    iEndElement -= currPar.ignoreAtEnd;
                    lineArea.setIPD(lineArea.getIPD() - lastLineEndIndent.getValue(this));
                }
            }
           
            // Remove trailing spaces if allowed so
            if (whiteSpaceTreament == EN_IGNORE_IF_SURROUNDING_LINEFEED
                || whiteSpaceTreament == EN_IGNORE
                || whiteSpaceTreament == EN_IGNORE_IF_BEFORE_LINEFEED) {
                // ignore the last element in the line if it is a KnuthGlue object
                seqIterator = seq.listIterator(iEndElement);
                tempElement = (KnuthElement) seqIterator.next();
                if (tempElement.isGlue()) {
                    iEndElement--;
                    // this returns the same KnuthElement
                    seqIterator.previous();
                    if (seqIterator.hasPrevious()) {
                        tempElement = (KnuthElement) seqIterator.previous();
                    } else {
                        tempElement = null;
                    }
                }
                if (tempElement != null) {
                    lastLM = tempElement.getLayoutManager();
                }
            }
           
            // Remove leading spaces if allowed so
            if (whiteSpaceTreament == EN_IGNORE_IF_SURROUNDING_LINEFEED
                || whiteSpaceTreament == EN_IGNORE
                || whiteSpaceTreament == EN_IGNORE_IF_AFTER_LINEFEED) {
                // ignore KnuthGlue and KnuthPenalty objects
                // at the beginning of the line
                seqIterator = seq.listIterator(iStartElement);
                tempElement = (KnuthElement) seqIterator.next();
                while (!tempElement.isBox() && seqIterator.hasNext()) {
                    tempElement = (KnuthElement) seqIterator.next();
                    iStartElement++;
                }
            }
            // Add the inline areas to lineArea
            PositionIterator inlinePosIter
              = new KnuthPossPosIter(seq, iStartElement, iEndElement + 1);
           
            iStartElement = lbp.getLeafPos() + 1;
            if (iStartElement == seq.size()) {
                // advance to next paragraph
                iStartElement = 0;
            }
           
            LayoutContext lc = new LayoutContext(0);
            lc.setAlignmentContext(alignmentContext);
            lc.setSpaceAdjust(lbp.dAdjust);
            lc.setIPDAdjust(lbp.ipdAdjust);
            lc.setLeadingSpace(new SpaceSpecifier(true));
            lc.setTrailingSpace(new SpaceSpecifier(false));
            lc.setFlags(LayoutContext.RESOLVE_LEADING_SPACE, true);
           
            /*
             * extension (not in the XSL FO recommendation): if the left and right margins
             * have been optimized, recompute indents and / or adjust ratio, according
             * to the paragraph horizontal alignment
             */
            if (false && textAlignment == EN_JUSTIFY) {
                // re-compute space adjust ratio
                int updatedDifference = context.getStackLimitIP().opt
                                        - lbp.lineWidth + lbp.difference;
                double updatedRatio = 0.0;
                if (updatedDifference > 0) {
                    updatedRatio = (float) updatedDifference / lbp.availableStretch;
                } else if (updatedDifference < 0) {
                    updatedRatio = (float) updatedDifference / lbp.availableShrink;
                }
                lc.setIPDAdjust(updatedRatio);
                //log.debug("LLM.addAreas> old difference = " + lbp.difference + " new difference = " + updatedDifference);
                //log.debug("              old ratio = " + lbp.ipdAdjust + " new ratio = " + updatedRatio);
            } else if (false && textAlignment == EN_CENTER) {
                // re-compute indent
                int updatedIndent = lbp.startIndent
                                    + (context.getStackLimitIP().opt - lbp.lineWidth) / 2;
                lineArea.addTrait(Trait.START_INDENT, new Integer(updatedIndent));
            } else if (false && textAlignment == EN_END) {
                // re-compute indent
                int updatedIndent = lbp.startIndent
                                    + (context.getStackLimitIP().opt - lbp.lineWidth);
                lineArea.addTrait(Trait.START_INDENT, new Integer(updatedIndent));
            }
           
            setCurrentArea(lineArea);
            setChildContext(lc);
            LayoutManager childLM;
            while ((childLM = inlinePosIter.getNextChildLM()) != null) {
                lc.setFlags(LayoutContext.LAST_AREA, (childLM == lastLM));
                childLM.addAreas(inlinePosIter, lc);
                lc.setLeadingSpace(lc.getTrailingSpace());
                lc.setTrailingSpace(new SpaceSpecifier(false));
            }
           
            // when can this be null?
            // if display-align is distribute, add space after
            if (context.getSpaceAfter() > 0
                    && (!context.isLastArea() || !isLastPosition)) {
                lineArea.setBPD(lineArea.getBPD() + context.getSpaceAfter());
            }
            lineArea.finalise();
            parentLM.addChildArea(lineArea);
    }
View Full Code Here

        LayoutManager lastLM = null;
        if (isLastPosition) {
            lastLM = innerPosition.getLM();
        }
       
        LineArea lineArea = new LineArea();
        setCurrentArea(lineArea);
        LayoutContext lc = new LayoutContext(0);
        lc.setAlignmentContext(alignmentContext);
        setChildContext(lc);
       
        PositionIterator childPosIter = new StackingIter(positionList.listIterator());
        LayoutContext blocklc = new LayoutContext(0);
        blocklc.setLeadingSpace(new SpaceSpecifier(true));
        blocklc.setTrailingSpace(new SpaceSpecifier(false));
        blocklc.setFlags(LayoutContext.RESOLVE_LEADING_SPACE, true);
        LayoutManager childLM;
        while ((childLM = childPosIter.getNextChildLM()) != null) {
            // set last area flag
            blocklc.setFlags(LayoutContext.LAST_AREA,
                             (context.isLastArea() && childLM == lastLM));
            blocklc.setStackLimitsFrom(context);
            // Add the line areas to Area
            childLM.addAreas(childPosIter, blocklc);
            blocklc.setLeadingSpace(blocklc.getTrailingSpace());
            blocklc.setTrailingSpace(new SpaceSpecifier(false));
        }
        lineArea.updateExtentsFromChildren();
        parentLM.addChildArea(lineArea);
    }
View Full Code Here

        }
        if (pageSequence.getCountry() != null) {
            addAttribute("country", pageSequence.getCountry());
        }
        startElement("pageSequence", atts);
        LineArea seqTitle = pageSequence.getTitle();
        if (seqTitle != null) {
            startElement("title");
            List children = seqTitle.getInlineAreas();

            for (int count = 0; count < children.size(); count++) {
                InlineArea inline = (InlineArea) children.get(count);
                renderInlineArea(inline);
            }
View Full Code Here

        Dimension imageSize = this.imageLayout.getViewportSize();
       
        Block blockArea = new Block();
        blockArea.setIPD(imageSize.width);
        LineArea lineArea = new LineArea();
       
        Image imageArea = new Image(uri);
        TraitSetter.setProducerID(imageArea, fobj.getId());
        transferForeignAttributes(imageArea);

        Viewport vp = new Viewport(imageArea);
        TraitSetter.setProducerID(vp, fobj.getId());
        vp.setIPD(imageSize.width);
        vp.setBPD(imageSize.height);
        vp.setContentPosition(imageLayout.getPlacement());
        vp.setOffset(0);
       
        //Link them all together...
        lineArea.addInlineArea(vp);
        lineArea.updateExtentsFromChildren();
        blockArea.addLineArea(lineArea);
        curPage.getPageViewport().getCurrentFlow().addBlock(blockArea);
        curPage.getPageViewport().getCurrentSpan().notifyFlowsFinished();
    }
View Full Code Here

                containingBPPosition = contBP;
                containingIPPosition = contIP;
            } else {
                // a line area is rendered from the top left position
                // of the line, each inline object is offset from there
                LineArea line = (LineArea) obj;
                currentIPPosition = contIP
                        + parent.getStartIndent()
                        + line.getStartIndent();
                renderLineArea(line);
                //InlineArea child = (InlineArea) line.getInlineAreas().get(0);
                currentBPPosition += line.getAllocBPD();
            }
            currentIPPosition = saveIP;
        }
    }
View Full Code Here

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