public void setClip(RecordableClip c) {
c.addClipListener(
new ClipListener() {
public void newData(int offset, int length) {
if (isDisposed()) return;
getDisplay()
.asyncExec(
new Runnable() {
@Override
public void run() {
// TODO Auto-generated method stub
if (!isDisposed()) redraw();
}
});
}
public void newPlayHead(final long playhead) {
if (isDisposed()) return;
getDisplay()
.syncExec(
new Runnable() {
@Override
public void run() {
if (!isDisposed()) {
moveBar((int) playhead);
redraw();
}
}
});
}
@Override
public void playerCreated(DataLine player) {
// TODO Auto-generated method stub
}
@Override
public void playerDisposed(DataLine player) {
// TODO Auto-generated method stub
}
@Override
public void playerStopped(DataLine player) {
// TODO Auto-generated method stub
}
});
clip = c;
}
public void paint(GC g) {
int lengthInSamples = -1;
if (clip == null || (lengthInSamples = clip.getLengthInSamples()) == 0) {
return;
}
g.setBackground(getDisplay().getSystemColor(SWT.COLOR_BLACK));
g.setForeground(getDisplay().getSystemColor(SWT.COLOR_GREEN));
Rectangle clientArea = getClientArea();
// int samplesPerPixel = lengthInSamples / clientArea.width;
float average_ct = 0;
int max_sample_height = clip.getMaxSampleHeight();
int midY = clientArea.height / 2;
// g.setColor(Color.BLACK);
boolean recording = clip.isRecording();
if (recording) {
int pixel = clientArea.x + clientArea.width;
int lastx = pixel;
int lasty = 0;
for (int i = lengthInSamples - 1; i >= 0; i--) {
int sample = clip.getSample(i);
average_ct++;
if (average_ct % SAMPLES_PER_PIXEL == 0) {
int height = getScaledSampleHeight(clientArea, max_sample_height, sample);
// float average = average_sum / average_ct;
// int height = Math.round((average / max_sample_height) * clientArea.height);
int x = pixel;
int y = midY - height;
g.drawLine(lastx, lasty, x, y);
lastx = x;
lasty = y;
--pixel;
average_ct = 0;
if (pixel <= clientArea.x) break;
}
}
} else {
int lasty = midY;
int pixel = 0;
int lastx = 0;
int head = (int) clip.getPlayHead();
int pixelLoc = (int) (head / (float) SAMPLES_PER_PIXEL);
int samplesPerZone = SAMPLES_PER_PIXEL * clientArea.width;
int zone = (int) (pixelLoc / (float) clientArea.width);
int startSample = zone * samplesPerZone;
for (int i = startSample; i < lengthInSamples; i++) {
int sample = clip.getSample(i);
average_ct++;
if (average_ct % SAMPLES_PER_PIXEL == 0) {
int height = getScaledSampleHeight(clientArea, max_sample_height, sample);
//
// float average = average_sum / average_ct;
// int height = Math.round((average / max_sample_height) * clientArea.height);
int x = pixel;
int y = midY - height;
g.drawLine(lastx, lasty, x, y);
lastx = x;
lasty = y;
pixel++;
average_ct = 0;
if (pixel >= clientArea.width) break;
}
}
playHeadPixel = (head - (samplesPerZone * zone)) / SAMPLES_PER_PIXEL;
// System.out.println("zamples perzone "+samplesPerZone+" so start is "+startSample+" with
// zone "+zone);
drawBar(g);
// mClip.getPlayHead() / SAMPLES_PER_PIXEL;
}
// g.drawRect(0, 10, 1, -10);
g.setForeground(getDisplay().getSystemColor(SWT.COLOR_GRAY));
g.drawLine(0, midY, clientArea.width, midY);
}