Examples with AbstractEscherOptRecord org.apache.poi.ddf.AbstractEscherOptRecord used on opensource projects

Example 41 with AbstractEscherOptRecord

use of org.apache.poi.ddf.AbstractEscherOptRecord in project poi by apache.

the class HSLFFreeformShape method getPath.

@Override
public Path2D.Double getPath() {
    AbstractEscherOptRecord opt = getEscherOptRecord();
    EscherArrayProperty verticesProp = getShapeProp(opt, EscherProperties.GEOMETRY__VERTICES);
    EscherArrayProperty segmentsProp = getShapeProp(opt, EscherProperties.GEOMETRY__SEGMENTINFO);
    // return empty path if either GEOMETRY__VERTICES or GEOMETRY__SEGMENTINFO is missing, see Bugzilla 54188
    Path2D.Double path = new Path2D.Double();
    //sanity check
    if (verticesProp == null) {
        LOG.log(POILogger.WARN, "Freeform is missing GEOMETRY__VERTICES ");
        return path;
    }
    if (segmentsProp == null) {
        LOG.log(POILogger.WARN, "Freeform is missing GEOMETRY__SEGMENTINFO ");
        return path;
    }
    Iterator<byte[]> vertIter = verticesProp.iterator();
    Iterator<byte[]> segIter = segmentsProp.iterator();
    double[] xyPoints = new double[2];
    while (vertIter.hasNext() && segIter.hasNext()) {
        byte[] segElem = segIter.next();
        PathInfo pi = getPathInfo(segElem);
        switch(pi) {
            case escape:
                {
                    // handleEscapeInfo(path, segElem, vertIter);
                    break;
                }
            case moveTo:
                {
                    fillPoint(vertIter.next(), xyPoints);
                    double x = xyPoints[0];
                    double y = xyPoints[1];
                    path.moveTo(x, y);
                    break;
                }
            case curveTo:
                {
                    fillPoint(vertIter.next(), xyPoints);
                    double x1 = xyPoints[0];
                    double y1 = xyPoints[1];
                    fillPoint(vertIter.next(), xyPoints);
                    double x2 = xyPoints[0];
                    double y2 = xyPoints[1];
                    fillPoint(vertIter.next(), xyPoints);
                    double x3 = xyPoints[0];
                    double y3 = xyPoints[1];
                    path.curveTo(x1, y1, x2, y2, x3, y3);
                    break;
                }
            case lineTo:
                if (vertIter.hasNext()) {
                    fillPoint(vertIter.next(), xyPoints);
                    double x = xyPoints[0];
                    double y = xyPoints[1];
                    path.lineTo(x, y);
                }
                break;
            case close:
                path.closePath();
                break;
            default:
                break;
        }
    }
    EscherSimpleProperty shapePath = getShapeProp(opt, EscherProperties.GEOMETRY__SHAPEPATH);
    ShapePath sp = ShapePath.valueOf(shapePath == null ? 1 : shapePath.getPropertyValue());
    if (sp == ShapePath.LINES_CLOSED || sp == ShapePath.CURVES_CLOSED) {
        path.closePath();
    }
    Rectangle2D anchor = getAnchor();
    Rectangle2D bounds = path.getBounds2D();
    AffineTransform at = new AffineTransform();
    at.translate(anchor.getX(), anchor.getY());
    at.scale(anchor.getWidth() / bounds.getWidth(), anchor.getHeight() / bounds.getHeight());
    return new Path2D.Double(at.createTransformedShape(path));
}

Example 42 with AbstractEscherOptRecord

use of org.apache.poi.ddf.AbstractEscherOptRecord in project poi by apache.

the class HSLFFreeformShape method setPath.

@Override
public int setPath(Path2D.Double path) {
    Rectangle2D bounds = path.getBounds2D();
    PathIterator it = path.getPathIterator(new AffineTransform());
    List<byte[]> segInfo = new ArrayList<byte[]>();
    List<Point2D.Double> pntInfo = new ArrayList<Point2D.Double>();
    boolean isClosed = false;
    int numPoints = 0;
    while (!it.isDone()) {
        double[] vals = new double[6];
        int type = it.currentSegment(vals);
        switch(type) {
            case PathIterator.SEG_MOVETO:
                pntInfo.add(new Point2D.Double(vals[0], vals[1]));
                segInfo.add(SEGMENTINFO_MOVETO);
                numPoints++;
                break;
            case PathIterator.SEG_LINETO:
                pntInfo.add(new Point2D.Double(vals[0], vals[1]));
                segInfo.add(SEGMENTINFO_LINETO);
                segInfo.add(SEGMENTINFO_ESCAPE);
                numPoints++;
                break;
            case PathIterator.SEG_CUBICTO:
                pntInfo.add(new Point2D.Double(vals[0], vals[1]));
                pntInfo.add(new Point2D.Double(vals[2], vals[3]));
                pntInfo.add(new Point2D.Double(vals[4], vals[5]));
                segInfo.add(SEGMENTINFO_CUBICTO);
                segInfo.add(SEGMENTINFO_ESCAPE2);
                numPoints++;
                break;
            case PathIterator.SEG_QUADTO:
                //TODO: figure out how to convert SEG_QUADTO into SEG_CUBICTO
                LOG.log(POILogger.WARN, "SEG_QUADTO is not supported");
                break;
            case PathIterator.SEG_CLOSE:
                pntInfo.add(pntInfo.get(0));
                segInfo.add(SEGMENTINFO_LINETO);
                segInfo.add(SEGMENTINFO_ESCAPE);
                segInfo.add(SEGMENTINFO_LINETO);
                segInfo.add(SEGMENTINFO_CLOSE);
                isClosed = true;
                numPoints++;
                break;
            default:
                LOG.log(POILogger.WARN, "Ignoring invalid segment type " + type);
                break;
        }
        it.next();
    }
    if (!isClosed) {
        segInfo.add(SEGMENTINFO_LINETO);
    }
    segInfo.add(SEGMENTINFO_END);
    AbstractEscherOptRecord opt = getEscherOptRecord();
    opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__SHAPEPATH, 0x4));
    EscherArrayProperty verticesProp = new EscherArrayProperty((short) (EscherProperties.GEOMETRY__VERTICES + 0x4000), false, null);
    verticesProp.setNumberOfElementsInArray(pntInfo.size());
    verticesProp.setNumberOfElementsInMemory(pntInfo.size());
    verticesProp.setSizeOfElements(8);
    for (int i = 0; i < pntInfo.size(); i++) {
        Point2D.Double pnt = pntInfo.get(i);
        byte[] data = new byte[8];
        LittleEndian.putInt(data, 0, Units.pointsToMaster(pnt.getX() - bounds.getX()));
        LittleEndian.putInt(data, 4, Units.pointsToMaster(pnt.getY() - bounds.getY()));
        verticesProp.setElement(i, data);
    }
    opt.addEscherProperty(verticesProp);
    EscherArrayProperty segmentsProp = new EscherArrayProperty((short) (EscherProperties.GEOMETRY__SEGMENTINFO + 0x4000), false, null);
    segmentsProp.setNumberOfElementsInArray(segInfo.size());
    segmentsProp.setNumberOfElementsInMemory(segInfo.size());
    segmentsProp.setSizeOfElements(0x2);
    for (int i = 0; i < segInfo.size(); i++) {
        byte[] seg = segInfo.get(i);
        segmentsProp.setElement(i, seg);
    }
    opt.addEscherProperty(segmentsProp);
    opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__RIGHT, Units.pointsToMaster(bounds.getWidth())));
    opt.addEscherProperty(new EscherSimpleProperty(EscherProperties.GEOMETRY__BOTTOM, Units.pointsToMaster(bounds.getHeight())));
    opt.sortProperties();
    setAnchor(bounds);
    return numPoints;
}

Example 43 with AbstractEscherOptRecord

use of org.apache.poi.ddf.AbstractEscherOptRecord in project poi by apache.

the class HSLFShape method getEscherProperty.

/**
     * Get the value of a simple escher property for this shape.
     *
     * @param propId    The id of the property. One of the constants defined in EscherOptRecord.
     */
public int getEscherProperty(short propId) {
    AbstractEscherOptRecord opt = getEscherOptRecord();
    EscherSimpleProperty prop = getEscherProperty(opt, propId);
    return prop == null ? 0 : prop.getPropertyValue();
}

Example 44 with AbstractEscherOptRecord

use of org.apache.poi.ddf.AbstractEscherOptRecord in project poi by apache.

the class HSLFShape method getColor.

Color getColor(short colorProperty, short opacityProperty, int defaultColor) {
    AbstractEscherOptRecord opt = getEscherOptRecord();
    EscherSimpleProperty p = getEscherProperty(opt, colorProperty);
    if (p == null && defaultColor == -1)
        return null;
    int val = (p == null) ? defaultColor : p.getPropertyValue();
    EscherColorRef ecr = new EscherColorRef(val);
    Color col = getColor(ecr);
    if (col == null) {
        return null;
    }
    double alpha = getAlpha(opacityProperty);
    return new Color(col.getRed(), col.getGreen(), col.getBlue(), (int) (alpha * 255.0));
}

Example 45 with AbstractEscherOptRecord

use of org.apache.poi.ddf.AbstractEscherOptRecord in project poi by apache.

the class HSLFShape method getAlpha.

double getAlpha(short opacityProperty) {
    AbstractEscherOptRecord opt = getEscherOptRecord();
    EscherSimpleProperty op = getEscherProperty(opt, opacityProperty);
    int defaultOpacity = 0x00010000;
    int opacity = (op == null) ? defaultOpacity : op.getPropertyValue();
    return Units.fixedPointToDouble(opacity);
}