| /* |
| * 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.tools.ant.types.optional.image; |
| |
| import javax.media.jai.PlanarImage; |
| import java.awt.BasicStroke; |
| import java.awt.Graphics2D; |
| import java.awt.geom.Arc2D; |
| import java.awt.image.BufferedImage; |
| |
| /** |
| * Draw an arc. |
| */ |
| public class Arc extends BasicShape implements DrawOperation { |
| // CheckStyle:VisibilityModifier OFF - bc |
| protected int width = 0; |
| protected int height = 0; |
| protected int start = 0; |
| protected int stop = 0; |
| protected int type = Arc2D.OPEN; |
| // CheckStyle:VisibilityModifier ON |
| |
| /** |
| * Set the width. |
| * @param width the width of the arc. |
| */ |
| public void setWidth(int width) { |
| this.width = width; |
| } |
| |
| /** |
| * Set the height. |
| * @param height the height of the arc. |
| */ |
| public void setHeight(int height) { |
| this.height = height; |
| } |
| |
| /** |
| * Set the start of the arc. |
| * @param start the start of the arc. |
| */ |
| public void setStart(int start) { |
| this.start = start; |
| } |
| |
| /** |
| * Set the stop of the arc. |
| * @param stop the stop of the arc. |
| */ |
| public void setStop(int stop) { |
| this.stop = stop; |
| } |
| |
| /** |
| * Set the type of arc. |
| * @param strType the type to use - open, pie or chord. |
| * @todo refactor using an EnumeratedAttribute |
| */ |
| public void setType(String strType) { |
| if (strType.toLowerCase().equals("open")) { |
| type = Arc2D.OPEN; |
| } else if (strType.toLowerCase().equals("pie")) { |
| type = Arc2D.PIE; |
| } else if (strType.toLowerCase().equals("chord")) { |
| type = Arc2D.CHORD; |
| } |
| } |
| |
| /** {@inheritDoc}. */ |
| public PlanarImage executeDrawOperation() { |
| BufferedImage bi = new BufferedImage(width + (stroke_width * 2), |
| height + (stroke_width * 2), BufferedImage.TYPE_4BYTE_ABGR_PRE); |
| |
| Graphics2D graphics = (Graphics2D) bi.getGraphics(); |
| |
| if (!stroke.equals("transparent")) { |
| BasicStroke bStroke = new BasicStroke(stroke_width); |
| graphics.setColor(ColorMapper.getColorByName(stroke)); |
| graphics.setStroke(bStroke); |
| graphics.draw(new Arc2D.Double(stroke_width, stroke_width, width, |
| height, start, stop, type)); |
| } |
| |
| if (!fill.equals("transparent")) { |
| graphics.setColor(ColorMapper.getColorByName(fill)); |
| graphics.fill(new Arc2D.Double(stroke_width, stroke_width, |
| width, height, start, stop, type)); |
| } |
| |
| |
| for (int i = 0; i < instructions.size(); i++) { |
| ImageOperation instr = ((ImageOperation) instructions.elementAt(i)); |
| if (instr instanceof DrawOperation) { |
| PlanarImage img = ((DrawOperation) instr).executeDrawOperation(); |
| graphics.drawImage(img.getAsBufferedImage(), null, 0, 0); |
| } else if (instr instanceof TransformOperation) { |
| graphics = (Graphics2D) bi.getGraphics(); |
| PlanarImage image = ((TransformOperation) instr) |
| .executeTransformOperation(PlanarImage.wrapRenderedImage(bi)); |
| bi = image.getAsBufferedImage(); |
| } |
| } |
| return PlanarImage.wrapRenderedImage(bi); |
| } |
| } |