Source Code Cross Referenced for TraceUI.java in  » IDE-Netbeans » visualweb.api.designer » org » netbeans » modules » visualweb » extension » openide » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » visualweb.api.designer » org.netbeans.modules.visualweb.extension.openide.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         *
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         *
026:         * The Original Software is NetBeans. The Initial Developer of the Original
027:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
028:         * Microsystems, Inc. All Rights Reserved.
029:         *
030:         * If you wish your version of this file to be governed by only the CDDL
031:         * or only the GPL Version 2, indicate your decision by adding
032:         * "[Contributor] elects to include this software in this distribution
033:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
034:         * single choice of license, a recipient has the option to distribute
035:         * your version of this file under either the CDDL, the GPL Version 2 or
036:         * to extend the choice of license to its licensees as provided above.
037:         * However, if you add GPL Version 2 code and therefore, elected the GPL
038:         * Version 2 license, then the option applies only if the new code is
039:         * made subject to such option by the copyright holder.
040:         */
041:        package org.netbeans.modules.visualweb.extension.openide.util;
042:
043:        import java.awt.*;
044:
045:        /**
046:         * Extends Trace class to add paint debugging fuctionality.  This is a separate
047:         * class so that a headless module that does not import AWT can use the Trace
048:         * functionality without linking in AWT.
049:         *
050:         * @author Joe Nuxoll
051:         */
052:        public class TraceUI extends Trace {
053:
054:            /**
055:             * Paints a rectangle within the specified bounds - with hashmarks. As subsequent
056:             * (often quickly repetitive) calls are made to this method, the hash direction
057:             * alternates from top-right/bottom-left to top-left/bottom-right and cycles colors
058:             * and hashmark spacing so that it is easy to distinguish between the different calls,
059:             *
060:             * @param g Graphics object to paint into
061:             * @param x Rectangle.X
062:             * @param y Rectangle.y
063:             * @param width Rectangle.width
064:             * @param height Rectangle.height
065:             */
066:            public static void debugRect(Graphics g, int x, int y, int width,
067:                    int height) {
068:                if (g == null)
069:                    return;
070:                Rectangle clip = g.getClipBounds();
071:                if (clip == null)
072:                    return;
073:                g.setClip(x, y, width, height);
074:                Color c = g.getColor();
075:                if (colorWheel == null)
076:                    colorWheel = new TraceUI.ColorWheel();
077:                g.setColor(colorWheel.next());
078:                g.drawRect(x, y, width - 1, height - 1);
079:                g.drawRect(x + 1, y + 1, width - 3, height - 3);
080:                // alternate hash directions
081:                if (debugRectHashLeft) {
082:                    for (int i = 0; i < x + width + height; i += debugRectInc)
083:                        g.drawLine(x, y + i, x + i, y);
084:                } else {
085:                    for (int i = 0; i < x + width + height; i += debugRectInc)
086:                        g.drawLine(x + width, y + i, x + width - i, y);
087:                }
088:                debugRectHashLeft = !debugRectHashLeft;
089:                if (debugRectInc > 15)
090:                    debugRectInc = 5;
091:                else
092:                    debugRectInc += 2;
093:                g.setColor(c);
094:                if (clip != null)
095:                    g.setClip(clip.x, clip.y, clip.width, clip.height);
096:            }
097:
098:            private static TraceUI.ColorWheel colorWheel;
099:            private static int debugRectInc = 10;
100:            private static boolean debugRectHashLeft = true;
101:
102:            //------------------------------------------------------------------------------
103:            // ColorWheel class - for cycling colors on debugRect calls
104:            //------------------------------------------------------------------------------
105:            private static class ColorWheel {
106:                public static final int RED_TO_YELLOW = 1; // 0xFF0000 --> 0xFFFF00 (adding green)
107:                public static final int YELLOW_TO_GREEN = 2; // 0xFFFF00 --> 0x00FF00 (subtracting red)
108:                public static final int GREEN_TO_CYAN = 3; // 0x00FF00 --> 0x00FFFF (adding blue)
109:                public static final int CYAN_TO_BLUE = 4; // 0x00FFFF --> 0x0000FF (subtracting green)
110:                public static final int BLUE_TO_MAGENTA = 5; // 0x0000FF --> 0xFF00FF (adding red)
111:                public static final int MAGENTA_TO_RED = 6; // 0xFF00FF --> 0xFF0000 (subtracting blue)
112:
113:                public ColorWheel() {
114:                }
115:
116:                public ColorWheel(Color startColor) {
117:                    current = startColor;
118:                }
119:
120:                public ColorWheel(Color startColor, int startCycle) {
121:                    current = startColor;
122:                    cycle = startCycle;
123:                }
124:
125:                public ColorWheel(Color startColor, int startCycle,
126:                        int increment) {
127:                    current = startColor;
128:                    cycle = startCycle;
129:                    this .increment = increment;
130:                }
131:
132:                private int increment = 50;
133:                private int cycle = RED_TO_YELLOW;
134:                private Color current = Color.red;
135:
136:                public int getIncrement() {
137:                    return increment;
138:                }
139:
140:                public void setIncrement(int newIncrement) {
141:                    if (newIncrement >= 1 && newIncrement <= 255)
142:                        increment = newIncrement;
143:                    else
144:                        throw new IllegalArgumentException(
145:                                "ColorWheel increment must be in range (1-255)");
146:                }
147:
148:                public int getCycle() {
149:                    return cycle;
150:                }
151:
152:                public void setCycle(int newCycle) {
153:                    if (newCycle >= RED_TO_YELLOW && newCycle <= MAGENTA_TO_RED)
154:                        cycle = newCycle;
155:                    else
156:                        throw new IllegalArgumentException(
157:                                "Invalid ColorWheel cycle: " + newCycle);
158:                }
159:
160:                public Color getColor() {
161:                    return current;
162:                }
163:
164:                public void setColor(Color newColor) {
165:                    if (newColor != null)
166:                        current = newColor;
167:                }
168:
169:                public Color next() {
170:                    return next(current);
171:                }
172:
173:                public Color next(Color color) {
174:                    int r = color.getRed();
175:                    int g = color.getGreen();
176:                    int b = color.getBlue();
177:                    switch (cycle) {
178:                    case RED_TO_YELLOW:
179:                        g += increment;
180:                        if (g > 255) {
181:                            g = 255;
182:                            cycle = YELLOW_TO_GREEN;
183:                        }
184:                        break;
185:                    case YELLOW_TO_GREEN:
186:                        r -= increment;
187:                        if (r < 0) {
188:                            r = 0;
189:                            cycle = GREEN_TO_CYAN;
190:                        }
191:                        break;
192:                    case GREEN_TO_CYAN:
193:                        b += increment;
194:                        if (b > 255) {
195:                            b = 255;
196:                            cycle = CYAN_TO_BLUE;
197:                        }
198:                        break;
199:                    case CYAN_TO_BLUE:
200:                        g -= increment;
201:                        if (g < 0) {
202:                            g = 0;
203:                            cycle = BLUE_TO_MAGENTA;
204:                        }
205:                        break;
206:                    case BLUE_TO_MAGENTA:
207:                        r += increment;
208:                        if (r > 255) {
209:                            r = 255;
210:                            cycle = MAGENTA_TO_RED;
211:                        }
212:                        break;
213:                    case MAGENTA_TO_RED:
214:                        b -= increment;
215:                        if (b < 0) {
216:                            b = 0;
217:                            cycle = RED_TO_YELLOW;
218:                        }
219:                        break;
220:                    default:
221:                        cycle = RED_TO_YELLOW;
222:                        break;
223:                    }
224:                    current = new Color(r, g, b);
225:                    return current;
226:                }
227:            }
228:        }
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