| /* ==================================================================== |
| 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.shape; |
| |
| import java.awt.Font; |
| import java.awt.Graphics2D; |
| import java.awt.geom.AffineTransform; |
| import java.awt.geom.Path2D; |
| |
| import org.apache.poi.xdgf.usermodel.XDGFShape; |
| import org.apache.poi.xdgf.usermodel.XDGFText; |
| |
| /** |
| * To use this to render only particular shapes, override it and provide an |
| * appropriate implementation of getAcceptor() or accept() |
| */ |
| public class ShapeRenderer extends ShapeVisitor { |
| |
| protected Graphics2D _graphics; |
| |
| public ShapeRenderer() { |
| _graphics = null; |
| } |
| |
| public ShapeRenderer(Graphics2D g) { |
| _graphics = g; |
| } |
| |
| public void setGraphics(Graphics2D g) { |
| _graphics = g; |
| } |
| |
| @Override |
| public void visit(XDGFShape shape, AffineTransform globalTransform, |
| int level) { |
| |
| AffineTransform savedTr = _graphics.getTransform(); |
| _graphics.transform(globalTransform); |
| |
| drawPath(shape); |
| drawText(shape); |
| |
| // we're done, undo the transforms |
| _graphics.setTransform(savedTr); |
| } |
| |
| protected Path2D drawPath(XDGFShape shape) { |
| Path2D.Double path = shape.getPath(); |
| if (path != null) { |
| |
| // setup the stroke for this line |
| |
| _graphics.setColor(shape.getLineColor()); |
| _graphics.setStroke(shape.getStroke()); |
| _graphics.draw(path); |
| } |
| |
| return path; |
| } |
| |
| protected void drawText(XDGFShape shape) { |
| XDGFText text = shape.getText(); |
| if (text != null) { |
| |
| if (text.getTextContent().equals("Header")) |
| text.getTextBounds(); |
| |
| Font oldFont = _graphics.getFont(); |
| |
| _graphics.setFont(oldFont.deriveFont(shape.getFontSize() |
| .floatValue())); |
| _graphics.setColor(shape.getFontColor()); |
| |
| text.draw(_graphics); |
| _graphics.setFont(oldFont); |
| } |
| } |
| |
| } |