Package org.apache.fop.datatypes

Examples of org.apache.fop.datatypes.Length

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            PropertyList propertyList,
            FObj fo) throws PropertyException {
        Numeric numval = p.getNumeric();
        if (numval != null && numval.getDimension() == 0) {
            if (getPercentBase(propertyList) instanceof LengthBase) {
                Length base = ((LengthBase)getPercentBase(propertyList)).getBaseLength();
                if (base != null && base.isAbsolute()) {
                    p = FixedLength.getInstance(
                            numval.getNumericValue() * base.getNumericValue());
                } else {
                    p = new PercentLength(
                            numval.getNumericValue(), getPercentBase(propertyList));
                }
            }
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            if ((widthRaw instanceof Integer) && (heightRaw instanceof Integer)
                    && ((Integer) widthRaw).intValue() > ((Integer) heightRaw).intValue()) {
                attrib.set(RtfPage.LANDSCAPE);
            }

            Length pageTop = pagemaster.getCommonMarginBlock().marginTop;
            Length pageBottom = pagemaster.getCommonMarginBlock().marginBottom;
            Length pageLeft = pagemaster.getCommonMarginBlock().marginLeft;
            Length pageRight = pagemaster.getCommonMarginBlock().marginRight;

            Length bodyTop = pageTop;
            Length bodyBottom = pageBottom;
            Length bodyLeft = pageLeft;
            Length bodyRight = pageRight;

            if (body != null) {
                // Should perhaps be replaced by full reference-area handling.
                CommonMarginBlock bodyMargin = body.getCommonMarginBlock();
                bodyTop = (Length) NumericOp.addition(pageTop, bodyMargin.marginTop);
                bodyBottom = (Length) NumericOp.addition(pageBottom, bodyMargin.marginBottom);
                bodyLeft = (Length) NumericOp.addition(pageLeft, bodyMargin.marginLeft);
                bodyRight = (Length) NumericOp.addition(pageRight, bodyMargin.marginRight);
            }

            attrib.setTwips(RtfPage.MARGIN_TOP, bodyTop);
            attrib.setTwips(RtfPage.MARGIN_BOTTOM, bodyBottom);
            attrib.setTwips(RtfPage.MARGIN_LEFT, bodyLeft);
            attrib.setTwips(RtfPage.MARGIN_RIGHT, bodyRight);

            //region-before attributes
            Length beforeTop = pageTop;
            if (before != null) {
                beforeTop = (Length) NumericOp.addition(pageTop, before.getExtent());
            }
            attrib.setTwips(RtfPage.HEADERY, beforeTop);

            //region-after attributes
            Length afterBottom = pageBottom;
            if (after != null) {
                afterBottom = (Length) NumericOp.addition(pageBottom, after.getExtent());
            }
            attrib.setTwips(RtfPage.FOOTERY, afterBottom);
        } catch (Exception e) {
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                        }

                        //If the base of the percentage is known
                        //and absolute, it can be resolved by the
                        //parser
                        Length base = ((LengthBase)pcBase).getBaseLength();
                        if (base != null && base.isAbsolute()) {
                            prop = FixedLength.getInstance(pcval * base.getValue());
                            break;
                        }
                    }
                    prop = new PercentLength(pcval, pcBase);
                } else {
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     *
     */
    private void initializeColumnWidths() {

        TableColumn col;
        Length colWidth;

        for (int i = columns.size(); --i >= 0;) {
            if (columns.get(i) != null) {
                col = (TableColumn) columns.get(i);
                colWidth = col.getColumnWidth();
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        /* calculate the total width (specified absolute/percentages),
         * and work out the total number of factors to use to distribute
         * the remaining space (if any)
         */
        for (Iterator i = colWidths.iterator(); i.hasNext();) {
            Length colWidth = (Length) i.next();
            if (colWidth != null) {
                sumCols += colWidth.getValue(percentBaseContext);
                if (colWidth instanceof RelativeNumericProperty) {
                    factors += ((RelativeNumericProperty) colWidth).getTableUnits();
                } else if (colWidth instanceof TableColLength) {
                    factors += ((TableColLength) colWidth).getTableUnits();
                }
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    }

    /** @return the "alignment-adjust" property */
    public Length getAlignmentAdjust() {
        if (alignmentAdjust.getEnum() == EN_AUTO) {
            final Length intrinsicAlignmentAdjust = this.getIntrinsicAlignmentAdjust();
            if (intrinsicAlignmentAdjust != null) {
                return intrinsicAlignmentAdjust;
            }
        }
        return alignmentAdjust;
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    }

    /** {@inheritDoc} */
    public Property eval(Property[] args, PropertyInfo pInfo) throws PropertyException {

        Length distance = pInfo.getPropertyList().get(
                Constants.PR_PROVISIONAL_DISTANCE_BETWEEN_STARTS).getLength();
        Length separation = pInfo.getPropertyList().getNearestSpecified(
                Constants.PR_PROVISIONAL_LABEL_SEPARATION).getLength();

        PropertyList pList = pInfo.getPropertyList();
        while (pList != null && !(pList.getFObj() instanceof ListItem)) {
            pList = pList.getParentPropertyList();
        }
        if (pList == null) {
            throw new PropertyException("label-end() called from outside an fo:list-item");
        }
        Length startIndent = pList.get(Constants.PR_START_INDENT).getLength();

        LengthBase base = new LengthBase(pInfo.getPropertyList(),
                                         LengthBase.CONTAINING_REFAREA_WIDTH);
        PercentLength refWidth = new PercentLength(1.0, base);

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    }

    private int constrainExtent(int extent, LengthRangeProperty range, Length contextExtent) {
        boolean mayScaleUp = (contextExtent.getEnum() != EN_SCALE_DOWN_TO_FIT);
        boolean mayScaleDown = (contextExtent.getEnum() != EN_SCALE_UP_TO_FIT);
        Length len;
        len = range.getMaximum(percentBaseContext).getLength();
        if (len.getEnum() != EN_AUTO) {
            int max = len.getValue(percentBaseContext);
            if (max != -1 && mayScaleDown) {
                extent = Math.min(extent, max);
            }
        }
        len = range.getMinimum(percentBaseContext).getLength();
        if (len.getEnum() != EN_AUTO) {
            int min = len.getValue(percentBaseContext);
            if (min != -1 && mayScaleUp) {
                extent = Math.max(extent, min);
            }
        }
        return extent;
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        EnumProperty fontStretch = (EnumProperty) pList.get(Constants.PR_FONT_STRETCH);
        EnumProperty fontStyle = (EnumProperty) pList.get(Constants.PR_FONT_STYLE);
        EnumProperty fontVariant = (EnumProperty) pList.get(Constants.PR_FONT_VARIANT);
        EnumProperty fontWeight = (EnumProperty) pList.get(Constants.PR_FONT_WEIGHT);
        Numeric fontSizeAdjust = pList.get(Constants.PR_FONT_SIZE_ADJUST).getNumeric();
        Length fontSize = pList.get(Constants.PR_FONT_SIZE).getLength();

        CommonFont commonFont = new CommonFont(fontFamily,
                                               fontSelectionStrategy,
                                               fontStretch,
                                               fontStyle,
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    /**
     * Does the actual calculations for the image.
     */
    protected void doLayout() {
        Length len;

        int bpd = -1;
        int ipd = -1;

        len = props.getBlockProgressionDimension().getOptimum(percentBaseContext).getLength();
        if (len.getEnum() != EN_AUTO) {
            bpd = len.getValue(percentBaseContext);
        }
        len = props.getBlockProgressionDimension().getMinimum(percentBaseContext).getLength();
        if (bpd == -1 && len.getEnum() != EN_AUTO) {
            //Establish minimum viewport size
            bpd = len.getValue(percentBaseContext);
        }

        len = props.getInlineProgressionDimension().getOptimum(percentBaseContext).getLength();
        if (len.getEnum() != EN_AUTO) {
            ipd = len.getValue(percentBaseContext);
        }
        len = props.getInlineProgressionDimension().getMinimum(percentBaseContext).getLength();
        if (ipd == -1 && len.getEnum() != EN_AUTO) {
            //Establish minimum viewport size
            ipd = len.getValue(percentBaseContext);
        }

        // if auto then use the intrinsic size of the content scaled
        // to the content-height and content-width
        boolean constrainIntrinsicSize = false;
        int cwidth = -1;
        int cheight = -1;
        len = props.getContentWidth();
        if (len.getEnum() != EN_AUTO) {
            switch (len.getEnum()) {
            case EN_SCALE_TO_FIT:
                if (ipd != -1) {
                    cwidth = ipd;
                }
                constrainIntrinsicSize = true;
                break;
            case EN_SCALE_DOWN_TO_FIT:
                if (ipd != -1 && intrinsicSize.width > ipd) {
                    cwidth = ipd;
                }
                constrainIntrinsicSize = true;
                break;
            case EN_SCALE_UP_TO_FIT:
                if (ipd != -1 && intrinsicSize.width < ipd) {
                    cwidth = ipd;
                }
                constrainIntrinsicSize = true;
                break;
            default:
                cwidth = len.getValue(percentBaseContext);
            }
        }
        len = props.getContentHeight();
        if (len.getEnum() != EN_AUTO) {
            switch (len.getEnum()) {
            case EN_SCALE_TO_FIT:
                if (bpd != -1) {
                    cheight = bpd;
                }
                constrainIntrinsicSize = true;
                break;
            case EN_SCALE_DOWN_TO_FIT:
                if (bpd != -1 && intrinsicSize.height > bpd) {
                    cheight = bpd;
                }
                constrainIntrinsicSize = true;
                break;
            case EN_SCALE_UP_TO_FIT:
                if (bpd != -1 && intrinsicSize.height < bpd) {
                    cheight = bpd;
                }
                constrainIntrinsicSize = true;
                break;
            default:
                cheight = len.getValue(percentBaseContext);
            }
        }

        Dimension constrainedIntrinsicSize;
        if (constrainIntrinsicSize) {
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Related Classes of org.apache.fop.datatypes.Length

  • org.apache.fop.fo.CondLengthProperty$Maker
  • org.apache.fop.fo.expr.LabelEndFunction
  • org.apache.fop.fo.expr.Numeric
  • org.apache.fop.fo.expr.PropertyParser
  • org.apache.fop.fo.flow.AbstractGraphics
  • org.apache.fop.fo.flow.table.TableCellContainer
  • org.apache.fop.fo.flow.TableBody
  • org.apache.fop.fo.flow.TableRow
  • org.apache.fop.fo.LengthProperty$Maker
  • org.apache.fop.fo.LengthRangeProperty$Maker
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