Esempio n. 1
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 /**
  * 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);
     }
 }
Esempio n. 2
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  /**
   * Returns a path which is cappedPath at the ends, to prevent it from drawing under the end caps.
   */
  protected BezierPath getCappedPath() {
    if (cappedPath == null) {
      cappedPath = path.clone();
      if (isClosed()) {
        cappedPath.setClosed(true);
      } else {
        if (cappedPath.size() > 1) {
          if (get(START_DECORATION) != null) {
            BezierPath.Node p0 = cappedPath.get(0);
            BezierPath.Node p1 = cappedPath.get(1);
            Point2D.Double pp;
            if ((p0.getMask() & BezierPath.C2_MASK) != 0) {
              pp = p0.getControlPoint(2);
            } else if ((p1.getMask() & BezierPath.C1_MASK) != 0) {
              pp = p1.getControlPoint(1);
            } else {
              pp = p1.getControlPoint(0);
            }
            double radius = get(START_DECORATION).getDecorationRadius(this);
            double lineLength = Geom.length(p0.getControlPoint(0), pp);
            cappedPath.set(
                0, 0, Geom.cap(pp, p0.getControlPoint(0), -Math.min(radius, lineLength)));
          }
          if (get(END_DECORATION) != null) {
            BezierPath.Node p0 = cappedPath.get(cappedPath.size() - 1);
            BezierPath.Node p1 = cappedPath.get(cappedPath.size() - 2);

            Point2D.Double pp;
            if ((p0.getMask() & BezierPath.C1_MASK) != 0) {
              pp = p0.getControlPoint(1);
            } else if ((p1.getMask() & BezierPath.C2_MASK) != 0) {
              pp = p1.getControlPoint(2);
            } else {
              pp = p1.getControlPoint(0);
            }

            double radius = get(END_DECORATION).getDecorationRadius(this);
            double lineLength = Geom.length(p0.getControlPoint(0), pp);
            cappedPath.set(
                cappedPath.size() - 1,
                0,
                Geom.cap(pp, p0.getControlPoint(0), -Math.min(radius, lineLength)));
          }
          cappedPath.invalidatePath();
        }
      }
    }
    return cappedPath;
  }
Esempio n. 3
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 /**
  * 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))
             );
 }
Esempio n. 4
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 /**
  * 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);
     }
 }
Esempio n. 5
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 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));
 }
Esempio n. 6
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 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);
 }
Esempio n. 7
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 @Override
 public boolean contains(Point2D.Double p) {
   double tolerance = Math.max(2f, AttributeKeys.getStrokeTotalWidth(this) / 2d);
   if (isClosed() || get(FILL_COLOR) != null && get(UNCLOSED_PATH_FILLED)) {
     if (path.contains(p)) {
       return true;
     }
     double grow = AttributeKeys.getPerpendicularHitGrowth(this) * 2d;
     GrowStroke gs =
         new GrowStroke(grow, AttributeKeys.getStrokeTotalWidth(this) * get(STROKE_MITER_LIMIT));
     if (gs.createStrokedShape(path).contains(p)) {
       return true;
     } else {
       if (isClosed()) {
         return false;
       }
     }
   }
   if (!isClosed()) {
     if (getCappedPath().outlineContains(p, tolerance)) {
       return true;
     }
     if (get(START_DECORATION) != null) {
       BezierPath cp = getCappedPath();
       Point2D.Double p1 = path.get(0, 0);
       Point2D.Double p2 = cp.get(0, 0);
       // FIXME - Check here, if caps path contains the point
       if (Geom.lineContainsPoint(p1.x, p1.y, p2.x, p2.y, p.x, p.y, tolerance)) {
         return true;
       }
     }
     if (get(END_DECORATION) != null) {
       BezierPath cp = getCappedPath();
       Point2D.Double p1 = path.get(path.size() - 1, 0);
       Point2D.Double p2 = cp.get(path.size() - 1, 0);
       // FIXME - Check here, if caps path contains the point
       if (Geom.lineContainsPoint(p1.x, p1.y, p2.x, p2.y, p.x, p.y, tolerance)) {
         return true;
       }
     }
   }
   return false;
 }
Esempio n. 8
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  /** Reads the attributes from the specified DOMInput and assigns them to the figure. */
  public static void readAttributes(Figure f, DOMInput in) throws IOException {
    // FIXME - This method is not working, when "style" and individual attributes
    // are both used in an SVG document.
    List<Map<String, String>> styles = new ArrayList<Map<String, String>>();
    List<String> values = in.getInheritedAttribute("style");
    for (String v : values) {
      styles.add(getStyles(v));
    }
    String value;

    // Fill color
    value = getInheritedAttribute("fill", in, styles);
    if (value != null) {
      Color color = getColor(value);
      if (color != INHERIT_COLOR && color != CURRENT_COLOR) {
        FILL_COLOR.set(f, color);
      }
    }
    value = getInheritedAttribute("fill-rule", in, styles);
    if (value != null) {
      WINDING_RULE.set(
          f, value.toUpperCase().equals("NONZERO") ? WindingRule.NON_ZERO : WindingRule.EVEN_ODD);
    } else {
      WINDING_RULE.set(f, WindingRule.NON_ZERO);
    }

    // Stroke color
    value = getInheritedAttribute("stroke", in, styles);
    if (value != null) {
      Color color = getColor(value);
      if (color != INHERIT_COLOR && color != CURRENT_COLOR) {
        STROKE_COLOR.set(f, color);
      }
    }

    value = getInheritedAttribute("stroke-width", in, styles);
    if (value != null) {
      STROKE_WIDTH.set(f, Double.valueOf(value));
    }
    value = getInheritedAttribute("stroke-miterlimit", in, styles);
    if (value != null) {
      STROKE_MITER_LIMIT_FACTOR.set(f, Double.valueOf(value));
    }
    value = getInheritedAttribute("stroke-dasharray", in, styles);
    if (value != null) {
      StringTokenizer tt = new StringTokenizer(value, " ,");
      double[] dashes = new double[tt.countTokens()];
      for (int i = 0, n = dashes.length; i < n; i++) {
        dashes[i] = Double.valueOf(tt.nextToken());
      }
      STROKE_DASHES.set(f, dashes);
    }
    value = getInheritedAttribute("stroke-dashoffset", in, styles);
    if (value != null) {
      STROKE_DASH_PHASE.set(f, Math.abs(Double.valueOf(value)));
    }
    value = getInheritedAttribute("font-size", in, styles);
    if (value != null) {
      FONT_SIZE.set(f, getDimensionValue(in, value));
    }
    value = getInheritedAttribute("text-anchor", in, styles);
    if (value != null) {
      SVGText.TEXT_ANCHOR.set(f, Enum.valueOf(SVGText.TextAnchor.class, value.toUpperCase()));
    }
  }
Esempio n. 9
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  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;
  }