ardour/livetrax
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make tape tracks draw something.

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This commit is contained in:
Robin Gareus 2015-04-28 16:07:57 +02:00
parent e9bb1dc2bf
commit 9a94688d11
1 changed files with 13 additions and 2 deletions
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15
gtk2_ardour/tape_region_view.cc
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@ -82,12 +82,23 @@ void
TapeAudioRegionView::update (uint32_t /*n*/)
{
/* check that all waves are build and ready */
if (!tmp_waves.empty()) {
return;
}
ENSURE_GUI_THREAD (*this, &TapeAudioRegionView::update, n);
// CAIROCANVAS
// waves[n]->rebuild ();
/* this is a quick hack to draw something (abuse gain_changed to force
* an image-cache invalidation.
*
* TODO: ArdourCanvas::WaveView needs an API to look up the specific channel "n"
* and a special case to not only invalidate the cache but re-expose the
* waveform. e.g.
*
* waves[m]->rebuild(); // where 'm' corresponds to channel 'n'.
*/
for (uint32_t i = 0; i < waves.size(); ++i) {
waves[i]->gain_changed ();
}
}