コード例 #1
0
  /** Constrains a point to the current grid. */
  protected Point constrainPoint(Point p) {
    // constrain to view size
    Dimension size = getSize();
    // p.x = Math.min(size.width, Math.max(1, p.x));
    // p.y = Math.min(size.height, Math.max(1, p.y));
    p.x = Geom.range(1, size.width, p.x);
    p.y = Geom.range(1, size.height, p.y);

    if (fConstrainer != null) {
      return fConstrainer.constrainPoint(p);
    }
    return p;
  }
コード例 #2
0
ファイル: BezierFigure.java プロジェクト: ilyessou/jhotdraw
  /**
   * 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;
  }
コード例 #3
0
ファイル: BezierFigure.java プロジェクト: ilyessou/jhotdraw
 @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;
 }
コード例 #4
0
ファイル: ChopBoxConnector.java プロジェクト: vyloy/lnvc
 protected Point2D.Double chop(Figure target, Point2D.Double from) {
   target = getConnectorTarget(target);
   Rectangle2D.Double r = target.getBounds();
   if (STROKE_COLOR.get(target) != null) {
     double grow;
     switch (STROKE_PLACEMENT.get(target)) {
       case CENTER:
       default:
         grow = AttributeKeys.getStrokeTotalWidth(target) / 2d;
         break;
       case OUTSIDE:
         grow = AttributeKeys.getStrokeTotalWidth(target);
         break;
       case INSIDE:
         grow = 0d;
         break;
     }
     Geom.grow(r, grow, grow);
   }
   return Geom.angleToPoint(r, Geom.pointToAngle(r, from));
 }
コード例 #5
0
 public Rectangle2D.Double getDrawingArea() {
   double strokeTotalWidth = AttributeKeys.getStrokeTotalWidth(this);
   double width = strokeTotalWidth / 2d;
   if (STROKE_JOIN.get(this) == BasicStroke.JOIN_MITER) {
     width *= STROKE_MITER_LIMIT.get(this);
   } else if (STROKE_CAP.get(this) != BasicStroke.CAP_BUTT) {
     width += strokeTotalWidth * 2;
   }
   width++;
   Rectangle2D.Double r = getBounds();
   Geom.grow(r, width, width);
   return r;
 }
コード例 #6
0
ファイル: BezierFigure.java プロジェクト: ilyessou/jhotdraw
 public Point2D.Double chop(Point2D.Double p) {
   if (isClosed()) {
     double grow = AttributeKeys.getPerpendicularHitGrowth(this);
     if (grow == 0d) {
       return path.chop(p);
     } else {
       GrowStroke gs =
           new GrowStroke(grow, AttributeKeys.getStrokeTotalWidth(this) * get(STROKE_MITER_LIMIT));
       return Geom.chop(gs.createStrokedShape(path), p);
     }
   } else {
     return path.chop(p);
   }
 }
コード例 #7
0
ファイル: SVGTextFigure.java プロジェクト: DevBoost/Reuseware
 @Override
 public Rectangle2D.Double getDrawingArea() {
   if (cachedDrawingArea == null) {
     Rectangle2D rx = getBounds();
     Rectangle2D.Double r =
         (rx instanceof Rectangle2D.Double)
             ? (Rectangle2D.Double) rx
             : new Rectangle2D.Double(rx.getX(), rx.getY(), rx.getWidth(), rx.getHeight());
     double g = SVGAttributeKeys.getPerpendicularHitGrowth(this);
     Geom.grow(r, g, g);
     if (TRANSFORM.get(this) == null) {
       cachedDrawingArea = r;
     } else {
       cachedDrawingArea = new Rectangle2D.Double();
       cachedDrawingArea.setRect(TRANSFORM.get(this).createTransformedShape(r).getBounds2D());
     }
   }
   return (Rectangle2D.Double) cachedDrawingArea.clone();
 }
コード例 #8
0
ファイル: TextFigure.java プロジェクト: ilyessou/jhotdraw
 /** Gets the drawing area without taking the decorator into account. */
 @Override
 protected Rectangle2D.Double getFigureDrawingArea() {
   if (getText() == null) {
     return getBounds();
   } else {
     TextLayout layout = getTextLayout();
     Rectangle2D.Double r =
         new Rectangle2D.Double(origin.x, origin.y, layout.getAdvance(), layout.getAscent());
     Rectangle2D lBounds = layout.getBounds();
     if (!lBounds.isEmpty() && !Double.isNaN(lBounds.getX())) {
       r.add(
           new Rectangle2D.Double(
               lBounds.getX() + origin.x,
               (lBounds.getY() + origin.y + layout.getAscent()),
               lBounds.getWidth(),
               lBounds.getHeight()));
     }
     // grow by two pixels to take antialiasing into account
     Geom.grow(r, 2d, 2d);
     return r;
   }
 }