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Bug 1671 - Spectrogram Overlay made experimental.

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In case we decide too much detail is lost in low intensity spectrogram - we can turn this off easily.
This commit is contained in:
James Crook 2017-08-11 23:13:16 +01:00
parent 78f273f30c
commit 3d5a4e8a45
2 changed files with 8 additions and 2 deletions
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3
src/Experimental.h
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@ -57,6 +57,9 @@
// DA: Enables dark audacity theme and customisations.
//#define EXPERIMENTAL_DA
// Define this so that sync-lock tiles shine through spectrogram.
#define EXPERIMENTAL_SPECTROGRAM_OVERLAY
// EXPERIMENTAL_THEMING is mostly mainstream now.
// the define is still present to mark out old code before theming, that we might
// conceivably need.

7
src/TrackArtist.cpp
View File

@ -2259,10 +2259,11 @@ void TrackArtist::DrawClipSpectrum(WaveTrackCache &waveTrackCache,
wxImage image((int)mid.width, (int)mid.height);
if (!image.IsOk())
return;
#ifdef EXPERIMENTAL_SPECTROGRAM_OVERLAY
image.SetAlpha();
unsigned char *data = image.GetData();
unsigned char *alpha = image.GetAlpha();
#endif
unsigned char *data = image.GetData();
const auto half = settings.GetFFTLength() / 2;
const double binUnit = rate / (2 * half);
@ -2603,8 +2604,10 @@ void TrackArtist::DrawClipSpectrum(WaveTrackCache &waveTrackCache,
#endif //EXPERIMENTAL_FFT_Y_GRID
int px = ((mid.height - 1 - yy) * mid.width + xx);
#ifdef EXPERIMENTAL_SPECTROGRAM_OVERLAY
// More transparent the closer to zero intensity.
alpha[px]= wxMin( 200, (value+0.3) * 500) ;
#endif
px *=3;
data[px++] = rv;
data[px++] = gv;