001    /* ===========================================================
002     * JFreeChart : a free chart library for the Java(tm) platform
003     * ===========================================================
004     *
005     * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006     *
007     * Project Info:  http://www.jfree.org/jfreechart/index.html
008     *
009     * This library is free software; you can redistribute it and/or modify it 
010     * under the terms of the GNU Lesser General Public License as published by 
011     * the Free Software Foundation; either version 2.1 of the License, or 
012     * (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but 
015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017     * License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this library; if not, write to the Free Software
021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022     * USA.  
023     *
024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025     * in the United States and other countries.]
026     *
027     * -----------------
028     * WaferMapPlot.java
029     * -----------------
030     *
031     * (C) Copyright 2003, 2004, by Robert Redburn and Contributors.
032     *
033     * Original Author:  Robert Redburn;
034     * Contributor(s):   David Gilbert (for Object Refinery Limited);
035     *
036     * Changes
037     * -------
038     * 25-Nov-2003 : Version 1 contributed by Robert Redburn (DG);
039     * 05-May-2005 : Updated draw() method parameters (DG);
040     * 10-Jun-2005 : Changed private --> protected for drawChipGrid(), 
041     *               drawWaferEdge() and getWafterEdge() (DG);
042     * 16-Jun-2005 : Added default constructor and setDataset() method (DG);
043     *
044     */
045     
046    package org.jfree.chart.plot;
047    
048    import java.awt.BasicStroke;
049    import java.awt.Color;
050    import java.awt.Graphics2D;
051    import java.awt.Paint;
052    import java.awt.Shape;
053    import java.awt.Stroke;
054    import java.awt.geom.Arc2D;
055    import java.awt.geom.Ellipse2D;
056    import java.awt.geom.Point2D;
057    import java.awt.geom.Rectangle2D;
058    import java.io.Serializable;
059    import java.util.ResourceBundle;
060    
061    import org.jfree.chart.LegendItemCollection;
062    import org.jfree.chart.event.PlotChangeEvent;
063    import org.jfree.chart.event.RendererChangeEvent;
064    import org.jfree.chart.event.RendererChangeListener;
065    import org.jfree.chart.renderer.WaferMapRenderer;
066    import org.jfree.data.general.DatasetChangeEvent;
067    import org.jfree.data.general.WaferMapDataset;
068    import org.jfree.ui.RectangleInsets;
069    
070    /**
071     * A wafer map plot.
072     */
073    public class WaferMapPlot extends Plot implements RendererChangeListener,
074                                                      Cloneable,
075                                                      Serializable {
076    
077        /** For serialization. */
078        private static final long serialVersionUID = 4668320403707308155L;
079        
080        /** The default grid line stroke. */
081        public static final Stroke DEFAULT_GRIDLINE_STROKE = new BasicStroke(0.5f,
082            BasicStroke.CAP_BUTT,
083            BasicStroke.JOIN_BEVEL,
084            0.0f,
085            new float[] {2.0f, 2.0f},
086            0.0f);
087    
088        /** The default grid line paint. */
089        public static final Paint DEFAULT_GRIDLINE_PAINT = Color.lightGray;
090    
091        /** The default crosshair visibility. */
092        public static final boolean DEFAULT_CROSSHAIR_VISIBLE = false;
093    
094        /** The default crosshair stroke. */
095        public static final Stroke DEFAULT_CROSSHAIR_STROKE 
096            = DEFAULT_GRIDLINE_STROKE;
097    
098        /** The default crosshair paint. */
099        public static final Paint DEFAULT_CROSSHAIR_PAINT = Color.blue;
100    
101        /** The resourceBundle for the localization. */
102        protected static ResourceBundle localizationResources = 
103            ResourceBundle.getBundle("org.jfree.chart.plot.LocalizationBundle");
104    
105        /** The plot orientation. 
106         *  vertical = notch down
107         *  horizontal = notch right
108         */
109        private PlotOrientation orientation;
110    
111        /** The dataset. */
112        private WaferMapDataset dataset;
113    
114        /** 
115         * Object responsible for drawing the visual representation of each point 
116         * on the plot. 
117         */
118        private WaferMapRenderer renderer;
119    
120        /**
121         * Creates a new plot with no dataset.
122         */
123        public WaferMapPlot() {
124            this(null);   
125        }
126        
127        /**
128         * Creates a new plot.
129         * 
130         * @param dataset  the dataset (<code>null</code> permitted).
131         */
132        public WaferMapPlot(WaferMapDataset dataset) {
133            this(dataset, null);
134        }
135    
136        /**
137         * Creates a new plot.
138         *
139         * @param dataset  the dataset (<code>null</code> permitted).
140         * @param renderer  the renderer (<code>null</code> permitted).
141         */
142        public WaferMapPlot(WaferMapDataset dataset, WaferMapRenderer renderer) {
143    
144            super();
145    
146            this.orientation = PlotOrientation.VERTICAL;
147            
148            this.dataset = dataset;
149            if (dataset != null) {
150                dataset.addChangeListener(this);
151            }
152    
153            this.renderer = renderer;
154            if (renderer != null) {
155                renderer.setPlot(this);
156                renderer.addChangeListener(this);
157            }
158    
159        }
160    
161        /**
162         * Returns the plot type as a string.
163         *
164         * @return A short string describing the type of plot.
165         */
166        public String getPlotType() {
167            return ("WMAP_Plot");
168        }
169    
170        /**
171         * Returns the dataset
172         * 
173         * @return The dataset (possibly <code>null</code>).
174         */
175        public WaferMapDataset getDataset() {
176            return this.dataset;
177        }
178    
179        /**
180         * Sets the dataset used by the plot and sends a {@link PlotChangeEvent}
181         * to all registered listeners.
182         * 
183         * @param dataset  the dataset (<code>null</code> permitted).
184         */
185        public void setDataset(WaferMapDataset dataset) {
186            // if there is an existing dataset, remove the plot from the list of 
187            // change listeners...
188            if (this.dataset != null) {
189                this.dataset.removeChangeListener(this);
190            }
191    
192            // set the new dataset, and register the chart as a change listener...
193            this.dataset = dataset;
194            if (dataset != null) {
195                setDatasetGroup(dataset.getGroup());
196                dataset.addChangeListener(this);
197            }
198    
199            // send a dataset change event to self to trigger plot change event
200            datasetChanged(new DatasetChangeEvent(this, dataset));
201        }
202        
203        /**
204         * Sets the item renderer, and notifies all listeners of a change to the 
205         * plot.  If the renderer is set to <code>null</code>, no chart will be 
206         * drawn.
207         *
208         * @param renderer  the new renderer (<code>null</code> permitted).
209         */
210        public void setRenderer(WaferMapRenderer renderer) {
211            if (this.renderer != null) {
212                this.renderer.removeChangeListener(this);
213            }
214            this.renderer = renderer;
215            if (renderer != null) {
216                renderer.setPlot(this);
217            }
218            fireChangeEvent();
219        }
220        
221        /**
222         * Draws the wafermap view.
223         * 
224         * @param g2  the graphics device.
225         * @param area  the plot area.
226         * @param anchor  the anchor point (<code>null</code> permitted).
227         * @param state  the plot state.
228         * @param info  the plot rendering info.
229         */
230        public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor,
231                         PlotState state, 
232                         PlotRenderingInfo info) {
233    
234            // if the plot area is too small, just return...
235            boolean b1 = (area.getWidth() <= MINIMUM_WIDTH_TO_DRAW);
236            boolean b2 = (area.getHeight() <= MINIMUM_HEIGHT_TO_DRAW);
237            if (b1 || b2) {
238                return;
239            }
240    
241            // record the plot area...
242            if (info != null) {
243                info.setPlotArea(area);
244            }
245    
246            // adjust the drawing area for the plot insets (if any)...
247            RectangleInsets insets = getInsets();
248            insets.trim(area);
249    
250            drawChipGrid(g2, area);       
251            drawWaferEdge(g2, area);
252            
253        }
254    
255        /**
256         * Calculates and draws the chip locations on the wafer.
257         * 
258         * @param g2  the graphics device.
259         * @param plotArea  the plot area.
260         */
261        protected void drawChipGrid(Graphics2D g2, Rectangle2D plotArea) {
262            
263            Shape savedClip = g2.getClip();
264            g2.setClip(getWaferEdge(plotArea));
265            Rectangle2D chip = new Rectangle2D.Double();
266            int xchips = 35;
267            int ychips = 20;
268            double space = 1d;
269            if (this.dataset != null) {
270                xchips = this.dataset.getMaxChipX() + 2;
271                ychips = this.dataset.getMaxChipY() + 2;
272                space = this.dataset.getChipSpace();
273            }
274            double startX = plotArea.getX();
275            double startY = plotArea.getY();
276            double chipWidth = 1d;
277            double chipHeight = 1d;
278            if (plotArea.getWidth() != plotArea.getHeight()) {
279                double major = 0d;
280                double minor = 0d;
281                if (plotArea.getWidth() > plotArea.getHeight()) {
282                    major = plotArea.getWidth();
283                    minor = plotArea.getHeight();
284                } 
285                else {
286                    major = plotArea.getHeight();
287                    minor = plotArea.getWidth();
288                } 
289                //set upperLeft point
290                if (plotArea.getWidth() == minor) { // x is minor
291                    startY += (major - minor) / 2;
292                    chipWidth = (plotArea.getWidth() - (space * xchips - 1)) 
293                        / xchips;
294                    chipHeight = (plotArea.getWidth() - (space * ychips - 1)) 
295                        / ychips;
296                }
297                else { // y is minor
298                    startX += (major - minor) / 2;
299                    chipWidth = (plotArea.getHeight() - (space * xchips - 1)) 
300                        / xchips;
301                    chipHeight = (plotArea.getHeight() - (space * ychips - 1)) 
302                        / ychips;
303                }
304            }
305            
306            for (int x = 1; x <= xchips; x++) {
307                double upperLeftX = (startX - chipWidth) + (chipWidth * x) 
308                    + (space * (x - 1));
309                for (int y = 1; y <= ychips; y++) {
310                    double upperLeftY = (startY - chipHeight) + (chipHeight * y) 
311                        + (space * (y - 1));
312                    chip.setFrame(upperLeftX, upperLeftY, chipWidth, chipHeight);
313                    g2.setColor(Color.white);
314                    if (this.dataset.getChipValue(x - 1, ychips - y - 1) != null) {
315                        g2.setPaint(
316                            this.renderer.getChipColor(
317                                this.dataset.getChipValue(x - 1, ychips - y - 1)
318                            )
319                        );
320                    } 
321                    g2.fill(chip);
322                    g2.setColor(Color.lightGray);
323                    g2.draw(chip);
324                }
325            }
326            g2.setClip(savedClip);
327        }
328    
329        /**
330         * Calculates the location of the waferedge.
331         * 
332         * @param plotArea  the plot area.
333         * 
334         * @return The wafer edge.
335         */
336        protected Ellipse2D getWaferEdge(Rectangle2D plotArea) {
337            Ellipse2D edge = new Ellipse2D.Double();
338            double diameter = plotArea.getWidth();
339            double upperLeftX = plotArea.getX();
340            double upperLeftY = plotArea.getY();
341            //get major dimension
342            if (plotArea.getWidth() != plotArea.getHeight()) {
343                double major = 0d;
344                double minor = 0d;
345                if (plotArea.getWidth() > plotArea.getHeight()) {
346                    major = plotArea.getWidth();
347                    minor = plotArea.getHeight();
348                } 
349                else {
350                    major = plotArea.getHeight();
351                    minor = plotArea.getWidth();
352                } 
353                //ellipse diameter is the minor dimension
354                diameter = minor;
355                //set upperLeft point
356                if (plotArea.getWidth() == minor) { // x is minor
357                    upperLeftY = plotArea.getY() + (major - minor) / 2;
358                }
359                else { // y is minor
360                    upperLeftX = plotArea.getX() + (major - minor) / 2;
361                }
362            }
363            edge.setFrame(upperLeftX, upperLeftY, diameter, diameter); 
364            return edge;        
365        }
366    
367        /**
368         * Draws the waferedge, including the notch.
369         * 
370         * @param g2  the graphics device.
371         * @param plotArea  the plot area.
372         */
373        protected void drawWaferEdge(Graphics2D g2, Rectangle2D plotArea) {
374            // draw the wafer
375            Ellipse2D waferEdge = getWaferEdge(plotArea);
376            g2.setColor(Color.black);
377            g2.draw(waferEdge);
378            // calculate and draw the notch
379            // horizontal orientation is considered notch right
380            // vertical orientation is considered notch down
381            Arc2D notch = null;
382            Rectangle2D waferFrame = waferEdge.getFrame();
383            double notchDiameter = waferFrame.getWidth() * 0.04;
384            if (this.orientation == PlotOrientation.HORIZONTAL) {
385                Rectangle2D notchFrame = 
386                    new Rectangle2D.Double(
387                        waferFrame.getX() + waferFrame.getWidth() 
388                        - (notchDiameter / 2), waferFrame.getY()
389                        + (waferFrame.getHeight() / 2) - (notchDiameter / 2),
390                        notchDiameter, notchDiameter
391                    );
392                notch = new Arc2D.Double(notchFrame, 90d, 180d, Arc2D.OPEN);
393            }
394            else {
395                Rectangle2D notchFrame = 
396                    new Rectangle2D.Double(
397                        waferFrame.getX() + (waferFrame.getWidth() / 2) 
398                        - (notchDiameter / 2), waferFrame.getY() 
399                        + waferFrame.getHeight() - (notchDiameter / 2),
400                        notchDiameter, notchDiameter
401                    );
402                notch = new Arc2D.Double(notchFrame, 0d, 180d, Arc2D.OPEN);        
403            }
404            g2.setColor(Color.white);
405            g2.fill(notch);
406            g2.setColor(Color.black);
407            g2.draw(notch);
408            
409        }
410    
411        /**
412         * Return the legend items from the renderer.
413         * 
414         * @return The legend items.
415         */
416        public LegendItemCollection getLegendItems() {
417            return this.renderer.getLegendCollection();
418        }
419    
420        /**
421         * Notifies all registered listeners of a renderer change.
422         *
423         * @param event  the event.
424         */
425        public void rendererChanged(RendererChangeEvent event) {
426            fireChangeEvent();
427        }
428    
429    }