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Timeline: Fix error in drawing of region fade outs.

This commit is contained in:
Jonathan Moore Liles 2013-09-21 20:06:48 -07:00
parent 52150723c6
commit 6bbe69e712
1 changed files with 7 additions and 19 deletions
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26
timeline/src/Audio_Region.C
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@ -399,28 +399,16 @@ Audio_Region::draw_fade ( const Fade &fade, Fade::fade_dir_e dir, bool line, int
fl_vertex( fx, dy + height );
{
nframes_t tsx = timeline->x_to_ts( 1 );
const float ti = 1.0f / (float)width;
float ts = 0.0f;
const int xi = dir == Fade::In ? 1 : -1;
if ( dir == Fade::In )
{
nframes_t ts = 0;
for ( int i = 0; i < width; ++i, ts += tsx )
fl_vertex( fx + i, dy + height - ( height * fade.gain( ts / (double)fade.length ) ));
}
else
{
nframes_t ts = tsx * width;
for ( int i = 0; i < width; ++i, ts -= tsx )
fl_vertex( fx - i, dy + ( height * fade.gain( ts / (double)fade.length ) ));
}
for ( int i = 0; i < width; i++, ts += ti, fx += xi )
fl_vertex( fx, dy + height - ( height * fade.gain( ts )));
}
if ( dir == Fade::In )
fl_vertex( fx + width, dy );
else
fl_vertex( fx - width, dy );
fl_vertex( fx, dy );
if ( line )
fl_end_line();