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Adds capability to persist spectral display fft size and frame rate

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between sessions.
This commit is contained in:
denny
2016-01-23 14:07:01 -05:00
parent 94d85f636d
commit c922029233
4 changed files with 57 additions and 5 deletions
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37
src/spectrum/SpectralDisplayPanel.java
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@@ -55,6 +55,7 @@ import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import playlist.PlaylistManager;
import properties.SystemProperties;
import sample.Listener;
import sample.SampleType;
import sample.complex.ComplexBuffer;
@@ -99,8 +100,10 @@ public class SpectralDisplayPanel extends JPanel
private static DecimalFormat sCURSOR_FORMAT = new DecimalFormat( "000.00000" );
public static final String FFT_SIZE_PROPERTY = "spectral.display.dft.size";
public static final int NO_ZOOM = 0;
public static final int MAX_ZOOM = 6;
private DFTSize mDFTSize = DFTSize.FFT04096;
private int mZoom = 0;
@@ -150,6 +153,36 @@ public class SpectralDisplayPanel extends JPanel
}
init();
loadSettings();
}
private void loadSettings()
{
SystemProperties properties = SystemProperties.getInstance();
String rawSize = properties.get( FFT_SIZE_PROPERTY, DFTSize.FFT04096.name() );
DFTSize size = null;
if( rawSize != null )
{
try
{
size = DFTSize.valueOf( rawSize );
}
catch( Exception e )
{
//Do nothing, we couldn't parse the stored value
}
}
if( size == null )
{
size = DFTSize.FFT04096;
}
setDFTSize( size );
}
public void dispose()
@@ -194,6 +227,10 @@ public class SpectralDisplayPanel extends JPanel
mDFTProcessor.setDFTSize( size );
mOverlayPanel.setDFTSize( size );
mDFTSize = size;
SystemProperties properties = SystemProperties.getInstance();
properties.set( FFT_SIZE_PROPERTY, size.name() );
properties.save();
setZoom( 0, 0, 0 );
}