/**
  * Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
  * <code>nohref</code> Attribute for the specified figure and shape.
  *
  * @return Returns true, if the polygon is inside of the image bounds.
  */
 private boolean writePolyAttributes(IXMLElement elem, SVGFigure f, Shape shape) {
     AffineTransform t = TRANSFORM.getClone(f);
     if (t == null) {
         t = drawingTransform;
     } else {
         t.preConcatenate(drawingTransform);
     }
     
     StringBuilder buf = new StringBuilder();
     float[] coords = new float[6];
     GeneralPath path = new GeneralPath();
     for (PathIterator i = shape.getPathIterator(t, 1.5f);
     ! i.isDone(); i.next()) {
         switch (i.currentSegment(coords)) {
             case PathIterator.SEG_MOVETO :
                 if (buf.length() != 0) {
                     throw new IllegalArgumentException("Illegal shape "+shape);
                 }
                 if (buf.length() != 0) {
                     buf.append(',');
                 }
                 buf.append((int) coords[0]);
                 buf.append(',');
                 buf.append((int) coords[1]);
                 path.moveTo(coords[0], coords[1]);
                 break;
             case PathIterator.SEG_LINETO :
                 if (buf.length() != 0) {
                     buf.append(',');
                 }
                 buf.append((int) coords[0]);
                 buf.append(',');
                 buf.append((int) coords[1]);
                 path.lineTo(coords[0], coords[1]);
                 break;
             case PathIterator.SEG_CLOSE :
                 path.closePath();
                 break;
             default :
                 throw new InternalError("Illegal segment type "+i.currentSegment(coords));
         }
     }
     elem.setAttribute("shape", "poly");
     elem.setAttribute("coords", buf.toString());
     writeHrefAttribute(elem, f);
     return path.intersects(new Rectangle2D.Float(bounds.x, bounds.y, bounds.width, bounds.height));
 }
Exemple #2
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 /**
  * Draw a filled polygon with the given (x[i], y[i]) coordinates.
  *
  * @param x an array of all the x-coordindates of the polygon
  * @param y an array of all the y-coordindates of the polygon
  */
 public static void filledPolygon(double[] x, double[] y) {
   int N = x.length;
   GeneralPath path = new GeneralPath();
   path.moveTo((float) scaleX(x[0]), (float) scaleY(y[0]));
   for (int i = 0; i < N; i++) path.lineTo((float) scaleX(x[i]), (float) scaleY(y[i]));
   path.closePath();
   offscreen.fill(path);
   draw();
 }
Exemple #3
0
  /** Used to draw a Shape. */
  public static GeneralPath makeShape(float loc[][]) {
    GeneralPath path = new GeneralPath(GeneralPath.WIND_NON_ZERO);

    path.moveTo(loc[0][0], loc[0][1]);

    for (int i = 1; i < loc.length; i++) path.lineTo(loc[i][0], loc[i][1]);

    return path;
  }
 public void setAdvance(float adv) {
   advance = adv;
   advp = new GeneralPath();
   advp.moveTo(-2, -2);
   advp.lineTo(2, 2);
   advp.moveTo(-2, 2);
   advp.lineTo(2, -2);
   advp.moveTo(adv - 2, -2);
   advp.lineTo(adv, 0);
   advp.lineTo(adv + 2, -2);
   advp.moveTo(adv, 0);
   advp.lineTo(adv, -8);
 }
 public void curveTo(float x1, float y1, float x2, float y2, float x3, float y3) {
   gp.curveTo(x1, y1, x2, y2, x3, y3);
   this.x = x3;
   this.y = y3;
   points.add(new GlyphPoint(x1, y1, true));
   points.add(new GlyphPoint(x2, y2, true));
   points.add(new GlyphPoint(x3, y3, false));
 }
 public void drawPolylines(Graphics2D g2) {
   int i, ipol, npoints, noffs;
   // draw GeneralPath (polyline)
   for (ipol = 0; ipol < numpolys; ipol++) {
     noffs = bufpol[ipol];
     npoints = bufpts[noffs + 1];
     if (npoints > 1) { // was 0, TS on 20.08.'12
       polyline.moveTo(bufpts[noffs + 2], bufpts[noffs + 3]);
       for (i = 1; i < npoints; i++) {
         polyline.lineTo(bufpts[noffs + 2 * i + 2], bufpts[noffs + 2 * i + 3]);
       }
       /* //TS on 20.08.'12
                       if (npoints == 1) {
                           polyline.lineTo(bufpts[noffs+2], bufpts[noffs+3]);
                       }
       */
       g2.setStroke(DatanGraphics.strokes[bufpts[noffs] - 1]);
       g2.setPaint(DatanGraphics.ct[bufpts[noffs]]);
       g2.draw(polyline);
       polyline.reset();
     }
   }
 }
 public GlyphPoint(float x, float y, boolean curvectrl) {
   this.x = x;
   this.y = y;
   this.curvecontrol = curvectrl;
   gp = new GeneralPath();
   if (curvectrl) {
     gp.moveTo(x - 4, y - 4);
     gp.lineTo(x + 4, y + 4);
     gp.moveTo(x - 4, y + 4);
     gp.lineTo(x + 4, y - 4);
   } else {
     gp.moveTo(x - 4, y - 4);
     gp.lineTo(x - 4, y + 4);
     gp.lineTo(x + 4, y + 4);
     gp.lineTo(x + 4, y - 4);
     gp.closePath();
   }
 }
 public void closePath() {
   gp.closePath();
 }
 public void moveTo(float x, float y) {
   gp.moveTo(x, y);
   this.x = x;
   this.y = y;
   points.add(new GlyphPoint(x, y, false));
 }
  public void run() {
    Thread me = Thread.currentThread();
    while (getSize().width <= 0) {
      try {
        anim.sleep(500);
      } catch (InterruptedException e) {
        return;
      }
    }

    Graphics2D g2d = null;
    Graphics2D BufferG2D = null;
    Graphics2D ScreenG2D = null;
    BasicStroke solid = new BasicStroke(9.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 9.0f);
    GeneralPath gp = new GeneralPath(GeneralPath.WIND_NON_ZERO);
    int rule = AlphaComposite.SRC_OVER;
    AlphaComposite opaque = AlphaComposite.SrcOver;
    AlphaComposite blend = AlphaComposite.getInstance(rule, 0.9f);
    AlphaComposite set = AlphaComposite.Src;
    int frame = 0;
    int frametmp = 0;
    Dimension oldSize = getSize();
    Shape clippath = null;
    while (anim == me) {
      Dimension size = getSize();
      if (size.width != oldSize.width || size.height != oldSize.height) {
        img = null;
        clippath = null;
        if (BufferG2D != null) {
          BufferG2D.dispose();
          BufferG2D = null;
        }
        if (ScreenG2D != null) {
          ScreenG2D.dispose();
          ScreenG2D = null;
        }
      }
      oldSize = size;

      if (img == null) {
        img = (BufferedImage) createImage(size.width, size.height);
      }

      if (BufferG2D == null) {
        BufferG2D = img.createGraphics();
        BufferG2D.setRenderingHint(
            RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_DEFAULT);
        BufferG2D.setClip(clippath);
      }
      g2d = BufferG2D;

      float[] ctrlpts;
      for (int i = 0; i < animpts.length; i += 2) {
        animate(animpts, deltas, i + 0, size.width);
        animate(animpts, deltas, i + 1, size.height);
      }
      ctrlpts = animpts;
      int len = ctrlpts.length;
      gp.reset();
      int dir = 0;
      float prevx = ctrlpts[len - 2];
      float prevy = ctrlpts[len - 1];
      float curx = ctrlpts[0];
      float cury = ctrlpts[1];
      float midx = (curx + prevx) / 2.0f;
      float midy = (cury + prevy) / 2.0f;
      gp.moveTo(midx, midy);
      for (int i = 2; i <= ctrlpts.length; i += 2) {
        float x1 = (midx + curx) / 2.0f;
        float y1 = (midy + cury) / 2.0f;
        prevx = curx;
        prevy = cury;
        if (i < ctrlpts.length) {
          curx = ctrlpts[i + 0];
          cury = ctrlpts[i + 1];
        } else {
          curx = ctrlpts[0];
          cury = ctrlpts[1];
        }
        midx = (curx + prevx) / 2.0f;
        midy = (cury + prevy) / 2.0f;
        float x2 = (prevx + midx) / 2.0f;
        float y2 = (prevy + midy) / 2.0f;
        gp.curveTo(x1, y1, x2, y2, midx, midy);
      }
      gp.closePath();

      g2d.setComposite(set);
      g2d.setBackground(backgroundColor);
      g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);

      if (bgChanged || bounds == null) {
        bounds = new Rectangle(0, 0, getWidth(), getHeight());
        bgChanged = false;
      }
      // g2d.clearRect(bounds.x-5, bounds.y-5, bounds.x + bounds.width + 5, bounds.y + bounds.height
      // + 5);
      g2d.clearRect(0, 0, getWidth(), getHeight());

      g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
      g2d.setColor(outerColor);
      g2d.setComposite(opaque);
      g2d.setStroke(solid);
      g2d.draw(gp);
      g2d.setPaint(gradient);

      if (!bgChanged) {
        bounds = gp.getBounds();
      } else {
        bounds = new Rectangle(0, 0, getWidth(), getHeight());
        bgChanged = false;
      }
      gradient =
          new GradientPaint(
              bounds.x,
              bounds.y,
              gradientColorA,
              bounds.x + bounds.width,
              bounds.y + bounds.height,
              gradientColorB,
              true);
      g2d.setComposite(blend);
      g2d.fill(gp);

      if (g2d == BufferG2D) {
        repaint();
      }
      ++frame;
      Thread.yield();
    }
    if (g2d != null) {
      g2d.dispose();
    }
  }