Package com.google.code.appengine.awt.geom

Examples of com.google.code.appengine.awt.geom.PathIterator

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    dst.moveToCount = src.moveToCount;
    dst.offsets = src.offsets.clone();
  }

    private int containsExact(double x, double y) {
        PathIterator pi = getPathIterator(null);
        int crossCount = Crossing.crossPath(pi, x, y);
       
        if (Crossing.isInsideEvenOdd(crossCount)) {
            return 1;
        }

        double[] segmentCoords = new double[6];
        double[] resultPoints = new double[6];
        int rule;
        double curX = -1;
        double curY = -1;
        double moveX = -1;
        double moveY = -1;
       
        for (pi = getPathIterator(null); !pi.isDone(); pi.next()) {
            rule = pi.currentSegment(segmentCoords);
            switch (rule) {
                case PathIterator.SEG_MOVETO:
                    moveX = curX = segmentCoords[0];
                    moveY = curY = segmentCoords[1];
                    break;
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        points = new float[initialCapacity * 2];
    }

    public GeneralPath(Shape shape) {
        this(WIND_NON_ZERO, BUFFER_SIZE);
        PathIterator p = shape.getPathIterator(null);
        setWindingRule(p.getWindingRule());
        append(p, false);
    }
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            types[typeSize++] = PathIterator.SEG_CLOSE;
        }
    }

    public void append(Shape shape, boolean connect) {
        PathIterator p = shape.getPathIterator(null);
        append(p, connect);
    }
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            return null;
        }
        if (src instanceof GeneralPath) {
            return ((GeneralPath)src).createTransformedShape(this);
        }
        PathIterator path = src.getPathIterator(this);
        GeneralPath dst = new GeneralPath(path.getWindingRule());
        dst.append(path, false);
        return dst;
    }
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     */
    public void draw(Shape shape) {
        // others than BasicStrokes are written by its
        // {@link Stroke#createStrokedShape()}
        if (getStroke() instanceof BasicStroke) {
            PathIterator path = shape.getPathIterator(null);

            Properties style = new Properties();
            if (getPaint() != null) {
                style.put("stroke", hexColor(getPaint()));
                style.put("stroke-opacity", fixedPrecision(alphaColor(getPaint())));
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        // draw paint as image if needed
        if (!(getPaint() instanceof Color || getPaint() instanceof GradientPaint)) {
            // draw paint as image
            fill(shape, getPaint());
        } else {
            PathIterator path = shape.getPathIterator(null);

            Properties style = new Properties();

            if (path.getWindingRule() == PathIterator.WIND_EVEN_ODD) {
                style.put("fill-rule", "evenodd");
            } else {
                style.put("fill-rule", "nonzero");
            }
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        return addPath(this, s, transform);
    }

    public static boolean addPath(PathConstructor out, Shape s,
            AffineTransform transform) throws IOException {
        PathIterator path = s.getPathIterator(transform);
        double[] coords = new double[6];
        double pathStartX = 0.;
        double pathStartY = 0.;
        while (!path.isDone()) {
            int segType = path.currentSegment(coords);

            switch (segType) {
            case PathIterator.SEG_MOVETO:
                out.move(coords[0], coords[1]);
                pathStartX = coords[0];
                pathStartY = coords[1];
                break;
            case PathIterator.SEG_LINETO:
                out.line(coords[0], coords[1]);
               break;
            case PathIterator.SEG_QUADTO:
                out.quad(coords[0], coords[1], coords[2], coords[3]);
                break;
            case PathIterator.SEG_CUBICTO:
                out.cubic(coords[0], coords[1], coords[2], coords[3],
                        coords[4], coords[5]);
                break;
            case PathIterator.SEG_CLOSE:
                out.closePath(pathStartX, pathStartY);
                break;
            }
            // Move to the next segment.
            path.next();
        }
        out.flush();
        return (path.getWindingRule() == PathIterator.WIND_EVEN_ODD);
    }
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     * @param path
     */
    public void setPath(GeneralPath 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;
        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);
                    break;
                case PathIterator.SEG_LINETO:
                    pntInfo.add(new Point2D.Double(vals[0], vals[1]));
                    segInfo.add(SEGMENTINFO_LINETO);
                    segInfo.add(SEGMENTINFO_ESCAPE);
                    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);
                    break;
                case PathIterator.SEG_QUADTO:
                    //TODO: figure out how to convert SEG_QUADTO into SEG_CUBICTO
                    logger.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;
                    break;
            }

            it.next();
        }
        if(!isClosed) segInfo.add(SEGMENTINFO_LINETO);
        segInfo.add(new byte[]{0x00, (byte)0x80});

        EscherOptRecord opt = (EscherOptRecord)getEscherChild(_escherContainer, EscherOptRecord.RECORD_ID);
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     * @param flatness - the rasterization flatness
     * @return a MultiRectArea of rasterized shape
     */
    public MultiRectArea rasterize(Shape shape, double flatness) {

        PathIterator path = shape.getPathIterator(null, flatness);

        // Shape is empty
        if (path.isDone()) {
            return new MultiRectArea();
        }

        makeBuffer(path, flatness);

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    public void draw(Shape s) {
        if (stroke instanceof BasicStroke && ((BasicStroke)stroke).getLineWidth() <= 1) {
            //TODO: Think about drawing the shape in one fillMultiRectArea call
            BasicStroke bstroke = (BasicStroke)stroke;
            JavaLineRasterizer.LineDasher ld = (bstroke.getDashArray() == null)?null:new JavaLineRasterizer.LineDasher(bstroke.getDashArray(), bstroke.getDashPhase());
            PathIterator pi = s.getPathIterator(transform, 0.5);
            float []points = new float[6];
            int x1 = Integer.MIN_VALUE;
            int y1 = Integer.MIN_VALUE;
            int cx1 = Integer.MIN_VALUE;
            int cy1 = Integer.MIN_VALUE;
            while (!pi.isDone()) {
                switch (pi.currentSegment(points)) {
                    case PathIterator.SEG_MOVETO:
                        x1 = (int)Math.floor(points[0]);
                        y1 = (int)Math.floor(points[1]);
                        cx1 = x1;
                        cy1 = y1;
                        break;
                    case PathIterator.SEG_LINETO:
                        int x2 = (int)Math.floor(points[0]);
                        int y2 = (int)Math.floor(points[1]);
                        fillMultiRectArea(JavaLineRasterizer.rasterize(x1, y1, x2, y2, null, ld, false));
                        x1 = x2;
                        y1 = y2;
                        break;
                    case PathIterator.SEG_CLOSE:
                        x2 = cx1;
                        y2 = cy1;
                        fillMultiRectArea(JavaLineRasterizer.rasterize(x1, y1, x2, y2, null, ld, false));
                        x1 = x2;
                        y1 = y2;
                        break;
                }
                pi.next();
            }
        } else {
            s = stroke.createStrokedShape(s);
            s = transform.createTransformedShape(s);
            fillMultiRectArea(jsr.rasterize(s, 0.5));
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Related Classes of com.google.code.appengine.awt.geom.PathIterator

  • com.google.code.appengine.awt.geom.AffineTransform
  • com.google.code.appengine.awt.geom.Area
  • com.google.code.appengine.awt.geom.GeneralPath
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  • org.apache.harmony.awt.gl.CommonGraphics2D
  • org.apache.harmony.awt.gl.render.JavaShapeRasterizer
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  • org.freehep.graphicsio.AbstractPathConstructor
  • org.freehep.graphicsio.svg.SVGGraphics2D
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