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visualizer: fix ellipse color scaling

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This commit is contained in:
Darby Payne
2014-10-23 02:14:05 -07:00
committed by Andrzej Rybczak
parent 6a13ef00b3
commit e9641d34b1
1 changed files with 5 additions and 4 deletions
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9
src/visualizer.cpp
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@@ -224,13 +224,14 @@ void Visualizer::DrawSoundWaveFillStereo(int16_t *buf_left, int16_t *buf_right,
void Visualizer::DrawSoundEllipseStereo(int16_t *buf_left, int16_t *buf_right, ssize_t samples, size_t height)
{
const size_t width = w.getWidth()/2;
const long width = w.getWidth()/2;
const long scaledRadius = std::max(pow(width,2), pow(height,2))/Config.visualizer_colors.size();
for (size_t i = 0; i < samples; ++i)
{
int x = width + ((double) buf_left[i] * 2 * ((double)width / 65536.0));
int y = height + ((double) buf_right[i] * 2 * ((double)height / 65536.0));
long x = width + ((double) buf_left[i] * 2 * ((double)width / 65536.0));
long y = height + ((double) buf_right[i] * 2 * ((double)height / 65536.0));
w << toColor(buf_right[i] * buf_right[i] + buf_left[i] * buf_left[i], pow(width, 2) * pow(height,2))
w << toColor(pow(x - width, 2) + pow(y - ((long)height),2), scaledRadius)
<< NC::XY(x, y)
<< Config.visualizer_chars[1]
<< NC::Color::End;