1 | /*
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2 | * Copyright 2002,2004 The Apache Software Foundation
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | *
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16 | */
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17 | package org.apache.tools.ant.types.optional.image;
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18 |
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19 | import javax.media.jai.PlanarImage;
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20 | import java.awt.BasicStroke;
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21 | import java.awt.Graphics2D;
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22 | import java.awt.geom.Arc2D;
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23 | import java.awt.image.BufferedImage;
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24 |
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25 | public class Arc extends BasicShape implements DrawOperation {
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26 | protected int width = 0;
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27 | protected int height = 0;
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28 | protected int start = 0;
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29 | protected int stop = 0;
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30 | protected int type = Arc2D.OPEN;
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31 |
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32 | public void setWidth(int width) {
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33 | this.width = width;
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34 | }
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35 |
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36 | public void setHeight(int height) {
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37 | this.height = height;
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38 | }
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39 |
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40 | public void setStart(int start) {
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41 | this.start = start;
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42 | }
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43 |
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44 | public void setStop(int stop) {
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45 | this.stop = stop;
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46 | }
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47 |
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48 | /**
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49 | * @todo refactor using an EnumeratedAttribute
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50 | */
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51 | public void setType(String str_type) {
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52 | if (str_type.toLowerCase().equals("open")) {
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53 | type = Arc2D.OPEN;
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54 | } else if (str_type.toLowerCase().equals("pie")) {
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55 | type = Arc2D.PIE;
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56 | } else if (str_type.toLowerCase().equals("chord")) {
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57 | type = Arc2D.CHORD;
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58 | }
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59 | }
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60 |
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61 | public PlanarImage executeDrawOperation() {
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62 | BufferedImage bi = new BufferedImage(width + (stroke_width * 2),
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63 | height + (stroke_width * 2), BufferedImage.TYPE_4BYTE_ABGR_PRE);
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64 |
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65 | Graphics2D graphics = (Graphics2D) bi.getGraphics();
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66 |
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67 | if (!stroke.equals("transparent")) {
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68 | BasicStroke b_stroke = new BasicStroke(stroke_width);
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69 | graphics.setColor(ColorMapper.getColorByName(stroke));
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70 | graphics.setStroke(b_stroke);
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71 | graphics.draw(new Arc2D.Double(stroke_width, stroke_width, width,
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72 | height, start, stop, type));
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73 | }
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74 |
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75 | if (!fill.equals("transparent")) {
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76 | graphics.setColor(ColorMapper.getColorByName(fill));
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77 | graphics.fill(new Arc2D.Double(stroke_width, stroke_width,
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78 | width, height, start, stop, type));
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79 | }
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80 |
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81 |
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82 | for (int i = 0; i < instructions.size(); i++) {
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83 | ImageOperation instr = ((ImageOperation) instructions.elementAt(i));
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84 | if (instr instanceof DrawOperation) {
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85 | PlanarImage img = ((DrawOperation) instr).executeDrawOperation();
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86 | graphics.drawImage(img.getAsBufferedImage(), null, 0, 0);
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87 | } else if (instr instanceof TransformOperation) {
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88 | graphics = (Graphics2D) bi.getGraphics();
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89 | PlanarImage image = ((TransformOperation) instr).executeTransformOperation(PlanarImage.wrapRenderedImage(bi));
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90 | bi = image.getAsBufferedImage();
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91 | }
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92 | }
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93 | return PlanarImage.wrapRenderedImage(bi);
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94 | }
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95 | }
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