-
Notifications
You must be signed in to change notification settings - Fork 0
/
JTuner.java
2087 lines (1837 loc) · 55.3 KB
/
JTuner.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// JTuner.java
//
// Jtuner - program for tuning guitars and other instruments
// Copyright (C) 2004 Michael Corlett
// Email: [email protected]
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License Version 2 as
// published by the Free Software Foundation;
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
//
package jtuner;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.TargetDataLine;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.AudioFormat;
import javax.swing.*;
import javax.swing.event.ChangeListener;
import javax.swing.event.ChangeEvent;
import javax.swing.text.PlainDocument;
import javax.swing.text.BadLocationException;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.GridBagLayout;
import java.awt.FlowLayout;
import java.awt.BorderLayout;
import java.awt.Graphics2D;
import java.awt.geom.Line2D;
import java.awt.Graphics;
import java.awt.BasicStroke;
import java.awt.Insets;
import java.awt.Font;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.Component;
import java.awt.Rectangle;
import java.awt.GraphicsConfiguration;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.DataBuffer;
import java.awt.image.IndexColorModel;
import java.awt.image.ImageObserver;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.TargetDataLine;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Line;
import java.awt.Toolkit;
import java.util.Hashtable;
import java.io.IOException;
import java.io.Serializable;
import javax.swing.plaf.UIResource;
import javax.swing.plaf.metal.MetalSliderUI;
import javax.swing.plaf.metal.MetalLookAndFeel;
import javax.swing.text.Document;
import javax.swing.text.AttributeSet;
import java.text.Format;
import java.text.DecimalFormat;
import java.text.ParseException;
public class JTuner extends JPanel {
private static final String VERSION = "0.0.2";
private Controls controls = null;
private Scope scope = null;
private Dial dial = null;
private final static int SAMPLE_COUNT = 96000;
private int [] drawValues = new int[SAMPLE_COUNT];
private double [] calcValues = new double[SAMPLE_COUNT];
private final static int SAMPLE_WINDOW_WIDTH = 100;
private final static int AV_COUNT_MAX = 400; // 150
private volatile int avCount = 150;
private class TargetFreq {
private volatile double targetFreq = 440;
private volatile double logTargetFreq = Math.log(targetFreq);
public void setTargetFreq(double targetFreq) {
setTargetFreq(targetFreq, Math.log(targetFreq));
}
public void setTargetFreq(double targetFreq, double logTargetFreq) {
this.targetFreq = targetFreq;
this.logTargetFreq = logTargetFreq;
}
public double getTargetFreq() {
return targetFreq;
}
public double getLogTargetFreq() {
return logTargetFreq;
}
}
private final TargetFreq targetFreq = new TargetFreq();
private volatile double calcFreq = -1;
private volatile boolean clipping = false;
private boolean autoSense = false;
private boolean autoSenseChromatic = false;
private double dialHorizScale = 4;
private static final double SEMITONE_FACTOR = java.lang.Math.pow(2, 1.0/12.0 );
private static final double LOG_SEMITONE_FACTOR = java.lang.Math.log(SEMITONE_FACTOR);
private static final double CENT_FACTOR = java.lang.Math.pow(2, 1.0/1200.0 );
private static final double LOG_CENT_FACTOR = java.lang.Math.log(CENT_FACTOR);
private String initError;
private Image backImage = null;
private Image backImageBase = null;
private int backW = -1, backH = -1;
public JTuner() {
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
add(controls = new Controls());
add(dial = new Dial());
add(scope = new Scope());
controls.addActionListener(new SampleGetter(/*true*/));
controls.addActionListener(scope);
backImageBase = (new ImageIcon
(this.getClass().getResource
("images/back.png"))
).getImage();
while(backImageBase.getHeight(null) <= 0);
setBackImage();
}
public void paint(Graphics g) {
setBackImage();
if(backImage != null) {
g.drawImage(backImage,
0,
0,
this);
}
paintChildren(g);
}
private void setBackImage() {
Dimension d = getSize();
if((backW != d.width) ||
(backH != d.height)) {
if(d.width > 0 && d.height > 0) {
backW = d.width;
backH = d.height;
backImage = backImageBase.getScaledInstance
(backW, backH, Image.SCALE_FAST);
}
}
}
public void stop() {
controls.stop();
}
private class Dial extends JPanel {
private DialNotesPanel dialNotesPanel;
public Dial() {
setOpaque(false);
setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
add(dialNotesPanel = new DialNotesPanel());
setBorder(BorderFactory.createEtchedBorder());
}
public void setText(double freq) {
dialNotesPanel.setText(freq);
}
public void setSamplingState(int inState) {
dialNotesPanel.setSamplingState(inState);
}
public void repaintPart() {
dialNotesPanel.repaintPart();
}
private class DialNotesPanel extends JPanel {
private DisplayPanel displayPanel;
private static final double HORIZ_SCALE_SLIDER_FACTOR = 400.0;
private Notes notes;
public DialNotesPanel() {
setOpaque(false);
setLayout(new BorderLayout());
displayPanel = new DisplayPanel();
JPanel p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
p.setOpaque(false);
p.add(new DialHorizScaleSlider());
p.add(new DialDampingSlider());
add(p, BorderLayout.NORTH);
add(displayPanel, BorderLayout.CENTER);
add(notes = new Notes(), BorderLayout.SOUTH);
}
public void repaintPart() {
displayPanel.repaintPart();
}
public void setSamplingState(int inState) {
displayPanel.setSamplingState(inState);
}
public void setText(double freq) {
notes.setText(freq);
}
private class DisplayPanel extends JPanel {
LEDPanel ledPanel = new LEDPanel();
Display display = null;
public DisplayPanel() {
setOpaque(false);
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
JPanel p = new JPanel();
p.setOpaque(false);
p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
p.add(display = new Display());
p.setBorder
(BorderFactory.createCompoundBorder
(
BorderFactory.createEmptyBorder(4,4,0,4)
,
BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.LOWERED)
));
add(p);
add(ledPanel);
}
public void repaintPart() {
display.repaint();
}
public void setSamplingState(int inState) {
switch(inState) {
case -1:
ledPanel.setState(0);
break;
case 0:
ledPanel.setState(1);
break;
case 1:
ledPanel.setState(2);
break;
default:
ledPanel.setState(3);
}
}
private class Display extends JPanel {
private final Color LINE_COLOR = new Color(100, 100, 100);
private final Color TEXT_COLOR = new Color(0, 192, 0);
private final Color BAR_COLOR = new Color(255, 0, 0);
private final Arrow rightArrowOn = new Arrow(true, true);
private final Arrow rightArrowOff = new Arrow(true, false);
private final Arrow leftArrowOn = new Arrow(false, true);
private final Arrow leftArrowOff = new Arrow(false, false);
public Display () {
setBackground(new Color(20, 20, 20));
setPreferredSize(new Dimension(400, 50));
}
private boolean painted = false;
public void paint(Graphics g) {
Dimension d = getSize();
int w = d.width;
int h = d.height;
Graphics2D g2 = (Graphics2D) g;
g2.setBackground(getBackground());
g2.clearRect(0, 0, w, h);
double scaling = ((double)w / dialHorizScale);
double centre = (double)w / 2.0;
if(!painted) {
leftArrowOn.paintIcon(this, g2, 5 * (w / 8), h / 2);
rightArrowOn.paintIcon(this, g2, 3 * (w / 8), h / 2);
painted = true;
}
double targFreq = targetFreq.getTargetFreq();
double logTargetFreq = targetFreq.getLogTargetFreq();
Arrow a = ((calcFreq > 0) && (calcFreq > targFreq)) ?
leftArrowOn : leftArrowOff;
a.paintIcon(this, g2, 5 * (w / 8), h / 2);
a = ((calcFreq > 0) && (calcFreq < targFreq)) ?
rightArrowOn : rightArrowOff;
a.paintIcon(this, g2, 3 * (w / 8), h / 2);
if(initError != null) {
g2.setColor(Color.red);
java.awt.Font errFt = new Font("Sans Serif", 1, 20);
g2.setFont(errFt);
java.awt.font.GlyphVector errGv = errFt.createGlyphVector
(g2.getFontRenderContext(), initError);
java.awt.Rectangle errRs = errGv.getVisualBounds().getBounds();
int errHt = errRs.height;
int errWt = errRs.width;
g2.drawString(initError, (w / 2) - (errWt / 2), (h / 2) + (errHt / 2));
} else {
if((calcFreq > 0) && (targFreq > 0)) {
double pos = Math.log(calcFreq) - logTargetFreq;
pos = (pos * scaling / LOG_SEMITONE_FACTOR) + centre;
g2.setStroke(new BasicStroke(3));
g2.setColor(BAR_COLOR);
g2.draw(new Line2D.Double(pos, 0, pos, h));
}
}
g2.setStroke(new BasicStroke(1));
g2.setColor(LINE_COLOR);
double cent = scaling / 100.0;
double xright = centre;
double xleft = centre;
int count = 0;
while((xleft -= cent) > 0) {
xright += cent;
double top;
if((++count % 100) == 0) {
top = 0;
} else if((count % 10) == 0) {
top = h - (h / 4);
} else if((count % 5) == 0) {
top = h - 3 * (h / 16);
} else {
top = h - (h / 8);
}
g2.draw(new Line2D.Double(xleft, top, xleft, h));
g2.draw(new Line2D.Double(xright, top, xright, h));
}
g2.setColor(TEXT_COLOR);
java.awt.Font ft = new Font("Dialog", 1, 10);
g2.setFont(ft);
for(int i = 0; i < NB.LOG_NOTES.length; i++) {
double pos = NB.LOG_NOTES[i] - logTargetFreq;
pos = (pos * scaling / LOG_SEMITONE_FACTOR) + centre;
if(pos > -20) {
if(pos > (w + 20)) break;
java.awt.font.GlyphVector gv = ft.createGlyphVector
(g2.getFontRenderContext(), NB.NOTE_NAMES[i]);
java.awt.Rectangle rs = gv.getVisualBounds().getBounds();
int ht = rs.height;
int wt = rs.width;
g2.drawString(NB.NOTE_NAMES[i], (int)(pos - (double)wt / 2.0), ht);
}
}
g2.setColor(new Color(0, clipping ? 255 : 127, 0));
ft = new Font("Dialog", 1, 8);
g2.setFont(ft);
g2.drawString("CLIPPING", 2, h - (h / 4));
g2.setColor(new Color(100, 100, 100));
g2.draw(new Line2D.Double(centre, 0, centre, h));
}
private class Arrow implements Icon {
static final int IMAGE_HEIGHT = 128;
static final int IMAGE_WIDTH = 256;
static final int ICON_HEIGHT = 16;
static final int ICON_WIDTH = 32;
private Image image;
private int initState = 0;
private boolean isRight;
private boolean isOn;
public Arrow(boolean isRight, boolean isOn) {
this.isRight = isRight;
this.isOn = isOn;
}
public void paintIcon(Component c, Graphics g, int inx, int iny ) {
Graphics2D g2 = (Graphics2D)g;
final int x = inx;
final int y = iny;
switch(initState) {
case 0:
final java.awt.GraphicsConfiguration dc =
(GraphicsConfiguration)g2.getDeviceConfiguration();
initState++;
(new Thread(new Runnable() {
public void run() {
image = setImage
(
dc.createCompatibleImage(IMAGE_WIDTH, IMAGE_HEIGHT),
x, y
);
initState++;
repaint();
}
})).start();
break;
case 1:
break;
case 2:
g2.drawImage(image,
x - (ICON_WIDTH / 2),
y - (ICON_HEIGHT / 2),
null);
break;
}
}
private Image setImage(Image image, int x, int y) {
Graphics2D gi = (Graphics2D)image.getGraphics();
gi.setColor(new Color(0, isOn ? 255 : 127, 0));
if(isRight) {
gi.fillRect(0, IMAGE_HEIGHT / 4, IMAGE_WIDTH / 2, IMAGE_HEIGHT / 2);
} else {
gi.fillRect(IMAGE_WIDTH / 2, IMAGE_HEIGHT / 4, IMAGE_WIDTH / 2, IMAGE_HEIGHT / 2);
}
gi.fill(new java.awt.Polygon
(
new int[] {IMAGE_WIDTH / 2,
isRight ? IMAGE_WIDTH : 0,
IMAGE_WIDTH / 2},
new int[] {0,
IMAGE_HEIGHT / 2,
IMAGE_HEIGHT},
3
));
gi.dispose();
Image newImage = image.getScaledInstance(ICON_WIDTH, ICON_HEIGHT, Image.SCALE_SMOOTH);
// Wait for scaling of image to complete
class Monitor {public boolean done = false;}
final Monitor monitor = new Monitor();
newImage.getWidth(new ImageObserver() {
public boolean imageUpdate(Image i, int a, int b, int c, int d, int e){
synchronized(monitor) {
monitor.notify();
monitor.done = true;
}
return true; //NB returning false resulted in an exception;
}
});
try{
synchronized(monitor) {
if(!monitor.done) monitor.wait();
}
} catch (InterruptedException e) {
System.out.println("Interrupted - " + e.getMessage());
}
// End wait.
return newImage;
}
public int getIconWidth() {
return ICON_WIDTH;
}
public int getIconHeight() {
return ICON_HEIGHT;
}
} // Arrow
} // Display
private class LEDPanel extends JPanel {
private LED [] leds = new LED [3];
private int lastLight = 0;
public LEDPanel() {
setOpaque(false);
setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
JPanel p = new JPanel();
p.setOpaque(false);
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
leds[0] = new LED("green");
leds[1] = new LED("yellow");
leds[2] = new LED("red");
p.add(leds[0]);
p.add(leds[1]);
p.add(leds[2]);
p.setBorder
(BorderFactory.createCompoundBorder
(
BorderFactory.createBevelBorder(javax.swing.border.BevelBorder.LOWERED)
,
BorderFactory.createEmptyBorder(2,3,2,3)
));
add(Box.createHorizontalGlue());
add(p);
add(Box.createHorizontalGlue());
setBorder(BorderFactory.createEmptyBorder(5, 0, 5, 0));
}
public void setState(int inState) {
if(lastLight > 0) {
leds[lastLight - 1].setOnState(false);
}
lastLight = inState;
if(inState > 0) {
leds[lastLight - 1].setOnState(true);
}
repaint();
}
private class LED extends JLabel {
private boolean on = false;
private ImageIcon onIcon = null;
private ImageIcon offIcon = null;
public LED(String color) {
setOpaque(false);
if(!color.equals("red") && !color.equals("yellow"))
color = "green";
color = "images/led" + color;
onIcon = new ImageIcon(this.getClass().getResource(color + "on.png"));
offIcon = new ImageIcon(this.getClass().getResource(color + "off.png"));
setPreferredSize(new Dimension(onIcon.getIconWidth(), onIcon.getIconHeight()));
setMaximumSize(new Dimension(onIcon.getIconWidth(), onIcon.getIconHeight()));
setMinimumSize(new Dimension(onIcon.getIconWidth(), onIcon.getIconHeight()));
setOnState(false);
}
public void setOnState(boolean on) {
this.on = on;
if(on) {
setIcon(onIcon);
} else {
setIcon(offIcon);
}
repaint();
}
} // LED
} // LEDPanel
} // DisplayPanel
private class DialHorizScaleSlider extends JSlider {
public DialHorizScaleSlider() {
super(100, 19200, (int)(dialHorizScale * HORIZ_SCALE_SLIDER_FACTOR));
setOpaque(false);
setPreferredSize
(new Dimension
(200,
getPreferredSize().height));
setToolTipText("Change horizontal scaling");
addChangeListener(new ChangeListener () {
public void stateChanged(ChangeEvent e) {
JSlider s = (JSlider)e.getSource();
dialHorizScale = (double)getValue() / HORIZ_SCALE_SLIDER_FACTOR;
displayPanel.repaint();
};
});
}
} // DialHorizScaleSlider
private class DialDampingSlider extends JSlider {
public DialDampingSlider() {
super(1, AV_COUNT_MAX, avCount);
setOpaque(false);
setPreferredSize
(new Dimension
(200,
getPreferredSize().height));
setToolTipText("Damping Level");
addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
JSlider s = (JSlider)e.getSource();
avCount = (int)getValue();
};
});
}
} // DialDampingSlider
} // DialNotesPanel
private class Notes extends JPanel {
private static final double MAX_FREQ = 9999;
private static final double MIN_FREQ = 27;
private JToggleButton nullButton = new JToggleButton();
private FreqInput freqInput;
private FreqSlider freqSlider;
public Notes() {
setOpaque(false);
setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
add(freqSlider = new FreqSlider());
add(Box.createVerticalGlue());
JPanel p = new JPanel();
p.setOpaque(false);
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
ButtonGroup bg = new ButtonGroup();
JToggleButton nb = null;
p.add(Box.createHorizontalGlue());
nb = new NoteButton("E", 82.407);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("A", 110);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("D", 146.823);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("G", 195.998);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("B", 246.942);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("E", 329.628);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
p.add(new AutoButtonsPanel(bg));
p.add(Box.createHorizontalGlue());
add(p);
//---------
add(Box.createVerticalGlue());
//---------
p = new JPanel();
p.setOpaque(false);
p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
nb = new NoteButton("E'", 164.814);
p.add(Box.createHorizontalGlue());
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("A'", 220);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("D'", 293.646);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("G'", 391.996);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("B'", 493.884);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
nb = new NoteButton("E'", 659.256);
p.add(nb);
bg.add(nb);
p.add(Box.createHorizontalGlue());
p.add(freqInput = new FreqInput());
p.add(Box.createHorizontalGlue());
add(p);
add(Box.createVerticalGlue());
JLabel l = new JLabel();
l.setOpaque(false);
l.setPreferredSize(new Dimension(1, 5));
l.setMaximumSize(new Dimension(1, 5));
add(l);
bg.add(nullButton);
}
private void setFrequency(Object source, double freq) {
targetFreq.setTargetFreq(freq);
setFrequencyLabels(source, freq);
}
private void setFrequencyLabels(Object source, double freq) {
autoSense = false;
autoSenseChromatic = false;
if(!(source instanceof NoteButton)) {
nullButton.doClick();
}
if(!(source instanceof FreqInput)) {
freqInput.setText(freq);
}
freqSlider.setValue(freq);
if(dial != null) dial.repaint();
}
public void setText(double freq) {
freqInput.setText(freq);
}
private class AutoButtonsPanel extends JPanel {
public AutoButtonsPanel(ButtonGroup bg) {
setOpaque(false);
setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
AutoButton j = new AutoButton("AG", "Auto Select Frequency - Guitar Strings", false);
add(j);
bg.add(j);
add(Box.createHorizontalGlue());
j.doClick();
j = new AutoButton("AC", "Auto Select Frequency - Chromatic", true);
add(j);
bg.add(j);
setMaximumSize(new Dimension(60, 30));
setPreferredSize(new Dimension(60, 30));
}
private class AutoButton extends JRadioButton {
public AutoButton(String name, String toolTip, final boolean isChromatic) {
super();
setOpaque(false);
setToolTipText(toolTip);
setMargin(new Insets(0, 0, 0, 0));
if(!name.equals("AG")) name = "AC";
setIcon(new ImageIcon(this.getClass().getResource("images/b-" + name + ".png")));
setSelectedIcon(new ImageIcon(this.getClass().getResource("images/bs-" + name + ".png")));
setRolloverIcon(new ImageIcon(this.getClass().getResource("images/br-" + name + ".png")));
setRolloverSelectedIcon(new ImageIcon(this.getClass().getResource("images/brs-" + name + ".png")));
setPressedIcon(new ImageIcon(this.getClass().getResource("images/br-" + name + ".png")));
addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
autoSense = true;
autoSenseChromatic = isChromatic;
}
});
}
}
}
private class FreqSlider extends JSlider {
private int disableCount = 0;
private static final double FAC = 10000.0;
public FreqSlider() {
super((int)(Math.log(MIN_FREQ) * FAC),
(int)(Math.log(MAX_FREQ) * FAC),
(int)(Math.log(targetFreq.getTargetFreq()) * FAC));
setOpaque(false);
setToolTipText("Set Target Frequency");
addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
if(disableCount <= 0) {
double tmp = Math.exp((double)getValue() / FAC);
setFrequency(this, tmp);
}
}
});
}
public void setValue(double newValue) {
disableCount++;
super.setValue((int)(Math.log(newValue) * FAC));
disableCount--;
}
}
private class NoteButton extends JRadioButton {
private double freq;
public NoteButton(String text, double infreq) {
super();
setOpaque(false);
this.freq = infreq;
setMargin(new Insets(0, 0, 0, 0));
final NoteButton n = this;
addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setFrequency(n, freq);
}
});
setToolTipText(text + " - " + infreq + " Hz");
String s = text.substring(0, 1);
if(text.length() > 1) s = s + "X";
setIcon(new ImageIcon(this.getClass().getResource("images/b-" + s + ".png")));
setSelectedIcon(new ImageIcon(this.getClass().getResource("images/bs-" + s + ".png")));
setRolloverIcon(new ImageIcon(this.getClass().getResource("images/br-" + s + ".png")));
setRolloverSelectedIcon(new ImageIcon(this.getClass().getResource("images/brs-" + s + ".png")));
setPressedIcon(new ImageIcon(this.getClass().getResource("images/br-" + s + ".png")));
}
}
private class FreqInput extends JTextField {
private int disableCount = 0;
private final DecimalFormat format = new DecimalFormat("##0.000");
public FreqInput () {
super();
setBackground(new Color(10, 10, 10));
setForeground(new Color(0, 255, 0));
setCaretColor(new Color(0, 255, 0));
setFont(new Font("Dialog", 1, 10));
setPreferredSize(new Dimension(60, 22));
setMaximumSize(new Dimension(60, 22));
setHorizontalAlignment(JTextField.RIGHT);
}
protected Document createDefaultModel() {
return new FreqDocument();
}
private void setFreq(double freq) {
if(disableCount <= 0) {
setFrequency(this, freq);
}
}
public void setText(String text) {
disableCount++;
super.setText(text);
disableCount--;
}
public void setText(double freq) {
setText(format.format(freq));
}
private class FreqDocument extends PlainDocument {
private double newVal;
public void insertString(int offs, String str, AttributeSet a)
throws BadLocationException {
String currentText = getText(0, getLength());
String beforeOffset = currentText.substring(0, offs);
String afterOffset = currentText.substring(offs, currentText.length());
if(isValid(beforeOffset + str + afterOffset)) {
super.insertString(offs, str, a);
if(newVal >= MIN_FREQ) setFreq(newVal);
}
}
public void remove(int offs, int len) throws BadLocationException {
String currentText = getText(0, getLength());
String beforeOffset = currentText.substring(0, offs);
String afterOffset = currentText.substring(len + offs,
currentText.length());
if(isValid(beforeOffset + afterOffset)) {
super.remove(offs, len);
if(newVal >= MIN_FREQ) setFreq(newVal);
}
}
private boolean isValid(String proposedResult) {
char[] digits = proposedResult.toCharArray();
int state = 0;
int precount = 0;
int postcount = 0;
boolean valid = true;
for(int i = 0; i < digits.length; i++) {
char d = digits[i];
switch(state) {
case 0:
if(Character.isDigit(d)) {
if(++precount > 4) valid = false;
} else if(d == '.') {
state = 1;
} else {
valid = false;
}
break;
case 1:
if(Character.isDigit(d)) {
if(++postcount > 3) valid = false;
} else {
valid = false;
}
break;
}
if(!valid) break;
}
if(valid) {
if((precount + postcount) == 0) {
newVal = 0;
} else {
newVal = (new Double(proposedResult)).doubleValue();
}
}
if(newVal > MAX_FREQ) valid = false;
if(!valid) Toolkit.getDefaultToolkit().beep();
return valid;
}
}
} // FreqInput
} // Notes
} // Dial
private class Scope extends JPanel implements ActionListener {
private int threshold = 5000;
private int decayThreshold = 2500;
private int samplesRequired = 0;
private int freqBarPos = 0;
private int wait = 9600; // 5th second
private double scaleValue = 250;
private Ray ray = null;
private int scopeSampleOffset = 0;
private int scopeSamplesPerPixel = 1;
public Scope() {
setOpaque(false);
setLayout(new BorderLayout());
add(new ThresholdPanel(), BorderLayout.WEST);
add(ray = new Ray(), BorderLayout.CENTER);
add(new Scale(), BorderLayout.EAST);
add(new Wait(), BorderLayout.NORTH);
add(new HorizScalePanel(), BorderLayout.SOUTH);
setBorder(BorderFactory.createEtchedBorder());
}
public void actionPerformed(ActionEvent e) {
ray.onOff();
}
public int getThreshold() {
return threshold;
}
public int getDecayThreshold() {
return decayThreshold;
}
public int getSamplesRequired() {
return samplesRequired;
}
public int getWait() {
return wait;
}
public void repaintPart() {
ray.repaint();
}
private class Ray extends JPanel {
private boolean on = false;
public Ray () {
setBackground(new Color(20, 20, 20));
setPreferredSize(new Dimension(400, 100));
}
public void onOff() {
on = !on;
ray.repaint();
}
public void paint(Graphics g) {
Dimension d = getSize();
int w = d.width;
int h = d.height;
Graphics2D g2 = (Graphics2D) g;
g2.setBackground(getBackground());
g2.clearRect(0, 0, w, h);
if(!on) {
g2.setColor(new Color(0, 192, 0));
String st = null;
int offs = 20;
int fontsize = 10;
for(int i = 0; i < 20; i++) {
switch(i) {
case 0: