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/Users/lyon/j4p/src/sound/DualOscopePanel.java
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1 package sound;
2
3 /**
4 * Created by
5 * User: lyon
6 * Date: Nov 29, 2003
7 * Time: 11:11:38 AM
8 *
9 */
10
11 import gui.run.RunScroll;
12
13 import javax.swing.JPanel;
14 import java.awt.BorderLayout;
15 import java.awt.Color;
16 import java.awt.Component;
17 import java.awt.Container;
18 import java.awt.Dimension;
19 import java.awt.Graphics;
20 import java.awt.Graphics2D;
21 import java.awt.GridLayout;
22 import java.awt.Rectangle;
23 import java.awt.Scrollbar;
24 import java.awt.geom.Line2D;
25
26 public class DualOscopePanel
27 extends JPanel {
28 private RunScroll topSb;
29 private RunScroll bottomSb;
30 private RunScroll leftSb;
31 private RunScroll rightSb;
32 private RunScroll bottomSb2;
33 private RunScroll leftSb2;
34 private RunScroll rightSb2;
35 private double[] trace1;
36 private double[] trace2;
37 private int dx = 0;
38 private int dx2 = 0;
39 private int oldDx = 0;
40 private int oldDx2 = 0;
41 private int dy = 0;
42 private int dy2 = 0;
43 private int oldDy = 0;
44 private int oldDy2 = 0;
45 private final double
46 xScaleFactors[] = {50000, 25000, 10000, 5000, 2500, 1000,
47 500, 250, 100, 50, 25, 10,
48 5, 2.5, 1, .5, .25, .1,
49 .05, .025, .01, .005, .0025, .001,
50 .0005};
51 private final String xSFLabels[] = {"0.05 u", "0.1 u", "0.25 u",
52 "0.5 u", "1 u", "2.5 u",
53 "5 u", "10 u", "25 u",
54 "50 u", "100 u", "250 u",
55 "500 u", "1 m", "2.5 m",
56 "5 m", "10 m", "25 m",
57 "50 m", "100 m", "250 m",
58 "500 m", "1 ", "2.5 ",
59 "5 "};
60 private final int xsfStartIndex = 14;
61 private double xScaleFactor = xScaleFactors[xsfStartIndex];
62 private double oldXScaleFactor = xScaleFactors[xsfStartIndex];
63 private String xSFLabel = new String(xSFLabels[xsfStartIndex]);
64 private boolean labelsVisible = true;
65 private String title = null;
66
67 public void setLabelsVisible(boolean b) {
68 labelsVisible = b;
69 }
70
71 public static final double
72 yScaleFactors[] = {
73 50000,
74 25000,
75 10000,
76 5000,
77 2000,
78 1000,
79 500,
80 200,
81 100,
82 50,
83 20,
84 10,
85 5, 2, 1, .5, .2, .1};
86 public static final String
87 ySFLabels[] = {
88 "1 m", "2.5 m",
89 "5 m", "10 m",
90 "25 m", "50 m",
91 "100 m", "250 m",
92 "500 m",
93 "1 ", "2.5 ",
94 "5 ", "10 ",
95 "20 ", "50 ",
96 "100 ", "250 ", "500 "};
97 private final int yScaleFactorStartIndex = 8;
98 private double yScaleFactor = 1;
99 private double yScaleFactor2 = 1;
100 private double oldYScaleFactor = 1;
101 private double oldYScaleFactor2 = 1;
102 private String ySFLabel = new String(ySFLabels[yScaleFactorStartIndex]);
103 private String ySFLabel2 = new String(ySFLabels[yScaleFactorStartIndex]);
104 private TracePanel tracePanel = new TracePanel();
105
106 /**
107 * This constructor uses a 440 Hz sine wave
108 * as the default waveform.
109 */
110 public DualOscopePanel() {
111 this(new Oscillator(440, 1000).getSineWave(),
112 "440 HZ sineWave");
113 }
114
115 public Dimension getPreferredSize() {
116 return new Dimension(400, 200);
117 }
118
119 /**
120 * A read only variable
121 *
122 * @return the title as set by the constructor
123 */
124 public String getTitle() {
125 return title;
126 }
127
128 /**
129 * This constructor uses the <code>doubleData</code>
130 * as the source for the default waveform.
131 *
132 * @param doubleData an array of data to be displayed
133 * @param title title of the panel.
134 */
135 //public OscopePanel(double doubleData[], String title) {
136 public DualOscopePanel(double doubleData[], String title) {
137 this.trace1 = doubleData;
138 this.trace2 = new Oscillator(220, 1000).getSineWave();
139 this.title = title;
140 setLayout(new BorderLayout());
141 topSb =
142 new RunScroll(Scrollbar.HORIZONTAL) {
143 public void run() {
144 int i = getValue();
145 xScaleFactor = xScaleFactors[i];
146 if (xScaleFactor != oldXScaleFactor) {
147 xSFLabel = xSFLabels[i];
148 tracePanel.repaint(500);
149 oldXScaleFactor = xScaleFactor;
150 }
151 }
152 };
153 // Set top scrollbar characteristics
154 topSb.setValues(xsfStartIndex, 0, 0, 24);
155 //topSb2.setValues(xsfStartIndex, 0, 0, 24);
156 bottomSb2 =
157 new RunScroll(Scrollbar.HORIZONTAL) {
158 public void run() {
159 dx2 = getValue();
160 if (dx2 != oldDx2) {
161 tracePanel.repaint(500);
162 oldDx2 = dx2;
163 }
164 }
165 };
166 bottomSb =
167 new RunScroll(Scrollbar.HORIZONTAL) {
168 public void run() {
169 dx = getValue();
170 if (dx != oldDx) {
171 tracePanel.repaint(500);
172 oldDx = dx;
173 }
174 }
175 };
176 leftSb2 =
177 new RunScroll(Scrollbar.VERTICAL) {
178 public void run() {
179 dy2 = getValue();
180 if (dy2 != oldDy2) {
181 tracePanel.repaint(500);
182 oldDy2 = dy2;
183 }
184 }
185 };
186 leftSb =
187 new RunScroll(Scrollbar.VERTICAL) {
188 public void run() {
189 dy = getValue();
190 if (dy != oldDy) {
191 tracePanel.repaint(500);
192 oldDy = dy;
193 }
194 }
195 };
196 rightSb2 =
197 new RunScroll(Scrollbar.VERTICAL) {
198 public void run() {
199 int i = getValue();
200 yScaleFactor2 = yScaleFactors[i];
201 if (yScaleFactor2 != oldYScaleFactor2) {
202 ySFLabel2 = ySFLabels[i];
203 tracePanel.repaint(500);
204 oldYScaleFactor2 = yScaleFactor2;
205 }
206 }
207 };
208 rightSb =
209 new RunScroll(Scrollbar.VERTICAL) {
210 public void run() {
211 int i = getValue();
212 yScaleFactor = yScaleFactors[i];
213 if (yScaleFactor != oldYScaleFactor) {
214 ySFLabel = ySFLabels[i];
215 tracePanel.repaint(500);
216 oldYScaleFactor = yScaleFactor;
217 }
218 }
219 };
220 // Set right scrollbar characteristics
221 rightSb.setValues(yScaleFactorStartIndex, 0, 0,
222 yScaleFactors.length - 1);
223 rightSb2.setValues(yScaleFactorStartIndex, 0, 0,
224 yScaleFactors.length - 1);
225
226
227
228 // Set left scrollbar characteristics
229 leftSb.setValues(0, 0, -300, 300);
230 leftSb2.setValues(0, 0, -300, 300);
231 add(topSb, BorderLayout.NORTH);
232 add(bottomSb, BorderLayout.SOUTH);
233 add(leftSb, BorderLayout.WEST);
234 add(rightSb, BorderLayout.EAST);
235 add(tracePanel, BorderLayout.CENTER);
236 setBackground(Color.white);
237
238 // Set bottom scrollbar characteristics based on sample length
239 bottomSb2.setValues(0, 0, 0, this.trace2.length);
240 bottomSb.setValues(0, 0, 0, this.trace1.length);
241 }
242
243 public void setTrace1(double d[]) {
244 trace1 = d;
245 }
246
247 public RunScroll getTopSb() {
248 return topSb;
249 }
250
251 public RunScroll getBottomSb() {
252 return bottomSb;
253 }
254
255 public RunScroll getBottomSb2() {
256 return bottomSb2;
257 }
258
259 public RunScroll getLeftSb() {
260 return leftSb;
261 }
262
263 public RunScroll getLeftSb2() {
264 return leftSb2;
265 }
266
267 public RunScroll getRightSb() {
268 return rightSb;
269 }
270
271 public RunScroll getRightSb2() {
272 return rightSb2;
273 }
274
275 public Component getTracePanel() {
276 return tracePanel;
277 }
278
279 public void setTopSb(RunScroll topSb) {
280 this.topSb = topSb;
281 }
282
283 class TracePanel extends JPanel {
284 private boolean drawGrid = true;
285 private Color gridColor = new Color(0, 255, 0);
286 private Dimension dim;
287 private int height, width;
288
289 public void setGridColor(Color c) {
290 gridColor = c;
291 }
292
293 public void grid(int grid_spacing, Graphics g, Color c) {
294 Rectangle r = g.getClipBounds();
295 int w = r.width;
296 int h = r.height;
297 Color oldColor = g.getColor();
298 g.setColor(c);
299 for (int x = 0; x < w; x = x + grid_spacing) {
300 g.drawLine(x, 0, x, h);
301 }
302 for (int y = 0; y < h; y = y + grid_spacing) {
303 g.drawLine(0, y, w, y);
304 }
305 g.setColor(oldColor);
306 }
307
308 public void paint(Graphics g) {
309 drawData(g);
310 if (!labelsVisible) return;
311 drawXScaleLabel(g);
312 drawYScaleLabel2(g);
313 drawYScaleLabel(g);
314 }
315
316 private void drawData(Graphics gOld) {
317 Graphics2D g = (Graphics2D) gOld;
318 double limit = (trace1.length * xScaleFactor);
319 double limit2 = (trace2.length * xScaleFactor);
320 dim = getSize();
321 height = dim.height;
322 width = dim.width;
323 g.clearRect(0, 0, width, height);
324 if (drawGrid)
325 grid(20, g, gridColor);
326 if (limit2 > width) limit2 = (double) width;
327 int k = dx2;
328 drawTrace2(limit2, k, g,trace2);
329 if (limit > width) limit = (double) width;
330 int j = dx;
331 drawTrace1(limit, j, g);
332 }
333
334 private void drawTrace1(double limit, int j, Graphics2D g) {
335 done:
336 for (double i = 0; i < limit; i += xScaleFactor) {
337 if (j >= (trace1.length - 1))
338 break done;
339 double x1 = i;
340 double y1 = (height - (
341 (trace1[j] * yScaleFactor)
342 * height / 4 + height / 2)) - dy;
343 double x2 = (i + xScaleFactor);
344 double y2 = (height - (
345 (trace1[j + 1] * yScaleFactor)
346 * height / 4 + height / 2)) - dy;
347 g.draw(new Line2D.Double(x1, y1, x2, y2));
348 g.setColor(Color.red);
349 j++;
350 }
351 }
352
353 private void drawTrace2(double limit2, int k, Graphics2D g, double d[]) {
354 done:
355 for (double i = 0; i < limit2; i += xScaleFactor) {
356 if (k >= (trace2.length - 1))
357 break done;
358 double x11 = i;
359 double y11 = height - d[k] * yScaleFactor2 * height / 4 + height / 2 - dy2;
360 double x22 = (i + xScaleFactor);
361 double y22 = (height - (
362 (d[k + 1] * yScaleFactor2)
363 * height / 4 + height / 2)) - dy2;
364 g.draw(new Line2D.Double(x11, y11, x22, y22));
365 k++;
366 }
367 }
368
369 private void drawXScaleLabel(Graphics g) {
370 g.setColor(Color.black);
371 int height = 10;
372 int xloc = 20;
373 int yloc = 20;
374 String xsfLabel = xSFLabel + "sec/div";
375 int string_width = getFontMetrics(g.getFont()).stringWidth(xsfLabel);
376 int string_height = getFontMetrics(g.getFont()).getHeight();
377 g.clearRect(xloc, yloc, string_width, string_height);
378 g.drawString(xsfLabel, xloc, height + yloc);
379 }
380
381 private void drawYScaleLabel2(Graphics g) {
382 int height = 10;
383 int xloc = 30;
384 int yloc = dim.height - 80;
385 String ysfLabel2 = ySFLabel2 + "v/div";
386 int string_width = getFontMetrics(g.getFont()).stringWidth(ysfLabel2);
387 int string_height = getFontMetrics(g.getFont()).getHeight();
388 g.clearRect(xloc, yloc, string_width, string_height);
389 g.drawString(ysfLabel2, xloc, height + yloc);
390 }
391
392 private void drawYScaleLabel(Graphics g) {
393 g.setColor(Color.red);
394 int height = 10;
395 int xloc = 20;
396 int yloc = dim.height - 60;
397 String ysfLabel = ySFLabel + "v/div";
398 int string_width = getFontMetrics(g.getFont()).stringWidth(ysfLabel);
399 int string_height = getFontMetrics(g.getFont()).getHeight();
400 g.clearRect(xloc, yloc, string_width, string_height);
401 g.drawString(ysfLabel, xloc, height + yloc);
402 }
403 }
404
405 public static void main(String args[]) {
406 OscopePanel osp = new OscopePanel();
407 gui.ClosableJFrame cf = new gui.ClosableJFrame();
408 Container c = cf.getContentPane();
409 c.add(osp);
410 c.setLayout(new GridLayout(1, 0));
411 cf.setSize(400, 400);
412 cf.show();
413 }
414 }
415
416