コード例 #1
0
  /**
   * Used inside the getSizeDeltaToFitAnchors operation. It's goal is to modify a SizeDelta in order
   * to keep fitting an anchor within the figureBounds
   *
   * @param anchor The anchor whose position will be kept
   * @param sizeDelta
   * @param preserveAxis
   * @param figureBounds
   */
  protected static void modifySizeDeltaToFitAnchor(
      IdentityAnchor anchor, Dimension sizeDelta, int preserveAxis, Rectangle figureBounds) {

    if (anchor == null) {
      return;
    }

    PrecisionPoint pp = BaseSlidableAnchor.parseTerminalString(anchor.getId());

    int margin = 6;

    if (preserveAxis == PRESERVE_Y || preserveAxis == PRESERVE_XY) {
      int anchorYPos = (int) Math.round(figureBounds.height * pp.preciseY);

      int newHeight = figureBounds.height + sizeDelta.height;

      if (anchorYPos + margin > newHeight) {
        sizeDelta.height = (anchorYPos - figureBounds.height) + margin;
      }
    }

    if (preserveAxis == PRESERVE_X || preserveAxis == PRESERVE_XY) {
      int anchorXPos = (int) Math.round(figureBounds.width * pp.preciseX);

      int newWidth = figureBounds.width + sizeDelta.width;

      if (anchorXPos + margin > newWidth) {
        sizeDelta.width = (anchorXPos - figureBounds.width) + margin;
      }
    }
  }
コード例 #2
0
  /**
   * Returns the new anchor's position to preserve it's position after
   *
   * @param anchor
   * @return the new IdStr
   */
  protected String getNewIdStr(IdentityAnchor anchor) {
    Dimension sizeDelta = getSizeDelta();
    Rectangle figureBounds = getFigureBounds();

    PrecisionPoint pp = BaseSlidableAnchor.parseTerminalString(anchor.getId());

    if (getPreserveAxis() == PRESERVE_Y || getPreserveAxis() == PRESERVE_XY) {
      int anchorYPos = (int) Math.round(figureBounds.height * pp.preciseY);

      pp.preciseY = (double) anchorYPos / (figureBounds.height + sizeDelta.height);

      // If the resize direction is NORTH, the location of the figure move, but the anchor stay
      // visually at the same location
      if (PositionConstants.NORTH == resizeDirection
          || PositionConstants.NORTH_EAST == resizeDirection
          || PositionConstants.NORTH_WEST == resizeDirection) {
        pp.preciseY =
            pp.preciseY + ((double) sizeDelta.height / (figureBounds.height + sizeDelta.height));
      }

      if (pp.preciseY > 1.0) {
        pp.preciseY = 1.0;
      } else if (pp.preciseY < 0.0) {
        pp.preciseY = 0.0;
      }
    }

    if (getPreserveAxis() == PRESERVE_X || getPreserveAxis() == PRESERVE_XY) {
      int anchorXPos = (int) Math.round(figureBounds.width * pp.preciseX);

      pp.preciseX = (double) anchorXPos / (figureBounds.width + sizeDelta.width);

      // If the resize direction is WEST, the location of the figure move, but the anchor stay
      // visually at the same location
      if (PositionConstants.WEST == resizeDirection
          || PositionConstants.NORTH_WEST == resizeDirection
          || PositionConstants.SOUTH_WEST == resizeDirection) {
        pp.preciseX =
            pp.preciseX + ((double) sizeDelta.width / (figureBounds.width + sizeDelta.width));
      }

      if (pp.preciseX > 1.0) {
        pp.preciseX = 1.0;
      } else if (pp.preciseX < 0.0) {
        pp.preciseX = 0.0;
      }
    }

    String idStr = (new BaseSlidableAnchor(null, pp)).getTerminal();
    return idStr;
  }