/**
  * 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));
 }
 @Override
 public void transform(AffineTransform tx) {
   if (get(TRANSFORM) != null
       || (tx.getType() & (AffineTransform.TYPE_TRANSLATION)) != tx.getType()) {
     if (get(TRANSFORM) == null) {
       TRANSFORM.setClone(this, tx);
     } else {
       AffineTransform t = TRANSFORM.getClone(this);
       t.preConcatenate(tx);
       set(TRANSFORM, t);
     }
   } else {
     super.transform(tx);
   }
 }
示例#3
0
 public void setFontSize(float size) {
   // FONT_SIZE.basicSet(this, new Double(size));
   Point2D.Double p = new Point2D.Double(0, size);
   AffineTransform tx = TRANSFORM.get(this);
   if (tx != null) {
     try {
       tx.inverseTransform(p, p);
       Point2D.Double p0 = new Point2D.Double(0, 0);
       tx.inverseTransform(p0, p0);
       p.y -= p0.y;
     } catch (NoninvertibleTransformException ex) {
       ex.printStackTrace();
     }
   }
   FONT_SIZE.set(this, Math.abs(p.y));
 }
示例#4
0
 public float getFontSize() {
   //   return FONT_SIZE.get(this).floatValue();
   Point2D.Double p = new Point2D.Double(0, FONT_SIZE.get(this));
   AffineTransform tx = TRANSFORM.get(this);
   if (tx != null) {
     tx.transform(p, p);
     Point2D.Double p0 = new Point2D.Double(0, 0);
     tx.transform(p0, p0);
     p.y -= p0.y;
     /*
     try {
         tx.inverseTransform(p, p);
     } catch (NoninvertibleTransformException ex) {
         ex.printStackTrace();
     }*/
   }
   return (float) Math.abs(p.y);
 }
 /**
  * Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
  * <code>nohref</code> Attribute for the specified figure and ellipse.
  *
  * @return Returns true, if the circle is inside of the image bounds.
  */
 private boolean writeCircleAttributes(IXMLElement elem, SVGFigure f, Ellipse2D.Double ellipse) {
     AffineTransform t = TRANSFORM.getClone(f);
     if (t == null) {
         t = drawingTransform;
     } else {
         t.preConcatenate(drawingTransform);
     }
     
     if ((t.getType() &
             (AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) ==
             t.getType() &&
             ellipse.width == ellipse.height
             ) {
         
         Point2D.Double start = new Point2D.Double(ellipse.x, ellipse.y);
         Point2D.Double end = new Point2D.Double(ellipse.x + ellipse.width, ellipse.y + ellipse.height);
         t.transform(start, start);
         t.transform(end, end);
         ellipse.x = Math.min(start.x, end.x);
         ellipse.y = Math.min(start.y, end.y);
         ellipse.width = Math.abs(start.x - end.x);
         ellipse.height = Math.abs(start.y - end.y);
         
         elem.setAttribute("shape", "circle");
         elem.setAttribute("coords",
                 (int) (ellipse.x + ellipse.width / 2d)+","+
                 (int) (ellipse.y + ellipse.height / 2d)+","+
                 (int) (ellipse.width / 2d)
                 );
         writeHrefAttribute(elem, f);
         return bounds.intersects(ellipse.getBounds());
     } else {
         return writePolyAttributes(elem, f, (Shape) ellipse);
     }
 }
示例#6
0
 /**
  * Transforms the figure.
  *
  * @param tx the transformation.
  */
 public void transform(AffineTransform tx) {
   if (TRANSFORM.get(this) != null
       || tx.getType() != (tx.getType() & AffineTransform.TYPE_TRANSLATION)) {
     if (TRANSFORM.get(this) == null) {
       TRANSFORM.basicSet(this, (AffineTransform) tx.clone());
     } else {
       AffineTransform t = TRANSFORM.getClone(this);
       t.preConcatenate(tx);
       TRANSFORM.basicSet(this, t);
     }
   } else {
     for (int i = 0; i < coordinates.length; i++) {
       tx.transform(coordinates[i], coordinates[i]);
     }
     if (FILL_GRADIENT.get(this) != null && !FILL_GRADIENT.get(this).isRelativeToFigureBounds()) {
       Gradient g = FILL_GRADIENT.getClone(this);
       g.transform(tx);
       FILL_GRADIENT.basicSet(this, g);
     }
     if (STROKE_GRADIENT.get(this) != null
         && !STROKE_GRADIENT.get(this).isRelativeToFigureBounds()) {
       Gradient g = STROKE_GRADIENT.getClone(this);
       g.transform(tx);
       STROKE_GRADIENT.basicSet(this, g);
     }
   }
   invalidate();
 }
 /**
  * All other write methods delegate their work to here.
  */
 public void write(OutputStream out, java.util.List<Figure> figures) throws IOException {
     Rectangle2D.Double drawingRect = null;
     
     for (Figure f : figures) {
         if (drawingRect == null) {
             drawingRect = f.getBounds();
         } else {
             drawingRect.add(f.getBounds());
         }
     }
     
     AffineTransform drawingTransform = new AffineTransform();
     drawingTransform.translate(
             -Math.min(0, drawingRect.x),
             -Math.min(0, drawingRect.y)
             );
     
     write(out, figures, drawingTransform,
             new Dimension(
             (int) (Math.abs(drawingRect.x) + drawingRect.width),
             (int) (Math.abs(drawingRect.y) + drawingRect.height))
             );
 }
示例#8
0
  private Shape getTextShape() {
    if (cachedTextShape == null) {
      String text = getText();
      if (text == null || text.length() == 0) {
        text = " ";
      }

      FontRenderContext frc = getFontRenderContext();
      HashMap<TextAttribute, Object> textAttributes = new HashMap<TextAttribute, Object>();
      textAttributes.put(TextAttribute.FONT, getFont());
      if (FONT_UNDERLINE.get(this)) {
        textAttributes.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
      }
      TextLayout textLayout = new TextLayout(text, textAttributes, frc);

      AffineTransform tx = new AffineTransform();
      tx.translate(coordinates[0].x, coordinates[0].y);
      switch (TEXT_ANCHOR.get(this)) {
        case END:
          tx.translate(-textLayout.getAdvance(), 0);
          break;
        case MIDDLE:
          tx.translate(-textLayout.getAdvance() / 2d, 0);
          break;
        case START:
          break;
      }
      tx.rotate(rotates[0]);

      /*
      if (TRANSFORM.get(this) != null) {
          tx.preConcatenate(TRANSFORM.get(this));
      }*/

      cachedTextShape = tx.createTransformedShape(textLayout.getOutline(tx));
      cachedTextShape = textLayout.getOutline(tx);
    }
    return cachedTextShape;
  }
 /**
  * Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
  * <code>nohref</code> Attribute for the specified figure and rectangle.
  *
  * @return Returns true, if the rect is inside of the image bounds.
  */
 private boolean writeRectAttributes(IXMLElement elem, SVGFigure f, Rectangle2D.Double rect) {
     AffineTransform t = TRANSFORM.getClone(f);
     if (t == null) {
         t = drawingTransform;
     } else {
         t.preConcatenate(drawingTransform);
     }
     
     if ((t.getType() &
             (AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) ==
             t.getType()
             ) {
         
         Point2D.Double start = new Point2D.Double(rect.x, rect.y);
         Point2D.Double end = new Point2D.Double(rect.x + rect.width, rect.y + rect.height);
         t.transform(start, start);
         t.transform(end, end);
         Rectangle r = new Rectangle(
                 (int) Math.min(start.x, end.x),
                 (int) Math.min(start.y, end.y),
                 (int) Math.abs(start.x - end.x),
                 (int) Math.abs(start.y - end.y)
                 );
         
         elem.setAttribute("shape", "rect");
         elem.setAttribute("coords",
                 r.x + ","+
                 r.y + ","+
                 (r.x + r.width) + ","+
                 (r.y + r.height)
                 );
         writeHrefAttribute(elem, f);
         return bounds.intersects(r);
     } else {
         return writePolyAttributes(elem, f, (Shape) rect);
     }
 }
示例#10
0
 // SHAPE AND BOUNDS
 @Override
 public void transform(AffineTransform tx) {
   tx.transform(origin, origin);
 }
示例#11
0
  public static AffineTransform getTransform(String str) throws IOException {
    AffineTransform t = new AffineTransform();

    if (str != null) {

      StreamTokenizer tt = new StreamTokenizer(new StringReader(str));
      tt.resetSyntax();
      tt.wordChars('a', 'z');
      tt.wordChars('A', 'Z');
      tt.wordChars(128 + 32, 255);
      tt.whitespaceChars(0, ' ');
      tt.whitespaceChars(',', ',');
      tt.parseNumbers();

      while (tt.nextToken() != StreamTokenizer.TT_EOF) {
        if (tt.ttype != StreamTokenizer.TT_WORD) {
          throw new IOException("Illegal transform " + str);
        }
        String type = tt.sval;
        if (tt.nextToken() != '(') {
          throw new IOException("'(' not found in transform " + str);
        }
        if (type.equals("matrix")) {
          double[] m = new double[6];
          for (int i = 0; i < 6; i++) {
            if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
              throw new IOException(
                  "Matrix value "
                      + i
                      + " not found in transform "
                      + str
                      + " token:"
                      + tt.ttype
                      + " "
                      + tt.sval);
            }
            if (tt.nextToken() == StreamTokenizer.TT_WORD && tt.sval.startsWith("E")) {
              double mantissa = tt.nval;
              tt.nval = Double.valueOf(tt.nval + tt.sval);
            } else {
              tt.pushBack();
            }
            m[i] = tt.nval;
          }
          t.concatenate(new AffineTransform(m));

        } else if (type.equals("translate")) {
          double tx, ty;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("X-translation value not found in transform " + str);
          }
          tx = tt.nval;
          if (tt.nextToken() == StreamTokenizer.TT_NUMBER) {
            ty = tt.nval;
          } else {
            tt.pushBack();
            ty = 0;
          }
          t.translate(tx, ty);

        } else if (type.equals("scale")) {
          double sx, sy;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("X-scale value not found in transform " + str);
          }
          sx = tt.nval;
          if (tt.nextToken() == StreamTokenizer.TT_NUMBER) {
            sy = tt.nval;
          } else {
            tt.pushBack();
            sy = sx;
          }
          t.scale(sx, sy);

        } else if (type.equals("rotate")) {
          double angle, cx, cy;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("Angle value not found in transform " + str);
          }
          angle = tt.nval;
          if (tt.nextToken() == StreamTokenizer.TT_NUMBER) {
            cx = tt.nval;
            if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
              throw new IOException("Y-center value not found in transform " + str);
            }
            cy = tt.nval;
          } else {
            tt.pushBack();
            cx = cy = 0;
          }
          t.rotate(angle * Math.PI / 180d, cx * Math.PI / 180d, cy * Math.PI / 180d);

        } else if (type.equals("skewX")) {
          double angle;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("Skew angle not found in transform " + str);
          }
          angle = tt.nval;
          t.concatenate(new AffineTransform(1, 0, Math.tan(angle * Math.PI / 180), 1, 0, 0));

        } else if (type.equals("skewY")) {
          double angle;
          if (tt.nextToken() != StreamTokenizer.TT_NUMBER) {
            throw new IOException("Skew angle not found in transform " + str);
          }
          angle = tt.nval;
          t.concatenate(new AffineTransform(1, Math.tan(angle * Math.PI / 180), 0, 1, 0, 0));

        } else {
          throw new IOException("Unknown transform " + type + " in " + str);
        }
        if (tt.nextToken() != ')') {
          throw new IOException("')' not found in transform " + str);
        }
      }
    }
    return t;
  }