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Fix palette mapping

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This commit is contained in:
Alexander Kojevnikov 2012-09-25 20:55:40 -07:00
parent c9ac49a5d5
commit bea26c6e24
1 changed files with 2 additions and 2 deletions

4
src/spek-spectrogram.cc

@ -164,10 +164,10 @@ void SpekSpectrogram::on_have_sample(SpekHaveSampleEvent& event)
}
// TODO: check image size, quit if wrong.
double range = log(1.0 + this->urange - this->lrange);
double range = this->urange - this->lrange;
for (int y = 0; y < bands; y++) {
double value = fmin(this->urange, fmax(this->lrange, values[y]));
double level = log(1.0 + value - this->lrange) / range;
double level = (value - this->lrange) / range;
uint32_t color = spek_palette_spectrum(level);
this->image.SetRGB(
sample,