| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| ==================================================================== */ |
| |
| package org.apache.poi.xdgf.usermodel.section.geometry; |
| |
| import org.apache.poi.POIXMLException; |
| import org.apache.poi.xdgf.usermodel.XDGFCell; |
| import org.apache.poi.xdgf.usermodel.XDGFShape; |
| |
| import com.microsoft.schemas.office.visio.x2012.main.CellType; |
| import com.microsoft.schemas.office.visio.x2012.main.RowType; |
| |
| /** |
| * Contains the x- and y-coordinates of the endpoint of a quadratic Bezier curve |
| * relative to the shape's width and height and the x- and y-coordinates of the |
| * control point of the curve relative shape's width and height. |
| */ |
| public class RelQuadBezTo implements GeometryRow { |
| |
| RelQuadBezTo _master = null; |
| |
| // The x-coordinate of the ending vertex of a quadratic Bezier curve |
| // relative to the width of the shape. |
| Double x = null; |
| |
| // The y-coordinate of the ending vertex of a quadratic Bezier curve |
| // relative to the height of the shape. |
| Double y = null; |
| |
| // The x-coordinate of the curve's control point relative to the shape's |
| // width; a point on the arc. The control point is best located about |
| // halfway between the beginning and ending vertices of the arc. |
| Double a = null; |
| |
| // The y-coordinate of a curve's control point relative to the shape's |
| // height. |
| Double b = null; |
| |
| Boolean deleted = null; |
| |
| // TODO: support formulas |
| |
| public RelQuadBezTo(RowType row) { |
| |
| if (row.isSetDel()) |
| deleted = row.getDel(); |
| |
| for (CellType cell : row.getCellArray()) { |
| String cellName = cell.getN(); |
| |
| if (cellName.equals("X")) { |
| x = XDGFCell.parseDoubleValue(cell); |
| } else if (cellName.equals("Y")) { |
| y = XDGFCell.parseDoubleValue(cell); |
| } else if (cellName.equals("A")) { |
| a = XDGFCell.parseDoubleValue(cell); |
| } else if (cellName.equals("B")) { |
| b = XDGFCell.parseDoubleValue(cell); |
| } else { |
| throw new POIXMLException("Invalid cell '" + cellName |
| + "' in RelQuadBezTo row"); |
| } |
| } |
| } |
| |
| public boolean getDel() { |
| if (deleted != null) |
| return deleted; |
| |
| if (_master != null) |
| return _master.getDel(); |
| |
| return false; |
| } |
| |
| public Double getX() { |
| return x == null ? _master.x : x; |
| } |
| |
| public Double getY() { |
| return y == null ? _master.y : y; |
| } |
| |
| public Double getA() { |
| return a == null ? _master.a : a; |
| } |
| |
| public Double getB() { |
| return b == null ? _master.b : b; |
| } |
| |
| @Override |
| public void setupMaster(GeometryRow row) { |
| _master = (RelQuadBezTo) row; |
| } |
| |
| @Override |
| public void addToPath(java.awt.geom.Path2D.Double path, XDGFShape parent) { |
| |
| if (getDel()) |
| return; |
| |
| double w = parent.getWidth(); |
| double h = parent.getHeight(); |
| |
| path.quadTo(getA() * w, getB() * h, getX() * w, getY() * h); |
| } |
| } |