ardour/livetrax
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clamp values appropriately in AutomationLine::view_to_model_y()

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Before this, drags from one automation track to another could add illegal/stupid values to an automation line. Presumably there needs to be another bounds check in ControlList
This commit is contained in:
Paul Davis 2017-01-09 12:41:49 +00:00
parent ef184b54f2
commit fa828e0385
1 changed files with 7 additions and 0 deletions
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7
gtk2_ardour/automation_line.cc
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@ -1198,6 +1198,7 @@ AutomationLine::view_to_model_coord_y (double& y) const
/* TODO: This should be more generic (use ParameterDescriptor)
* or better yet: Controllable -> set_interface();
*/
if ( alist->parameter().type() == GainAutomation
|| alist->parameter().type() == EnvelopeAutomation
|| (_desc.logarithmic && _desc.lower == 0. && _desc.upper > _desc.lower)) {
@ -1214,8 +1215,12 @@ AutomationLine::view_to_model_coord_y (double& y) const
} else if (alist->parameter().type() == PanAzimuthAutomation ||
alist->parameter().type() == PanElevationAutomation) {
y = 1.0 - y;
y = max ((double) _desc.lower, y);
y = min ((double) _desc.upper, y);
} else if (alist->parameter().type() == PanWidthAutomation) {
y = 2.0 * y - 1.0;
y = max ((double) _desc.lower, y);
y = min ((double) _desc.upper, y);
} else {
y = y * (double)(alist->get_max_y() - alist->get_min_y()) + alist->get_min_y();
if (_desc.integer_step) {
@ -1223,6 +1228,8 @@ AutomationLine::view_to_model_coord_y (double& y) const
} else if (_desc.toggled) {
y = (y > 0.5) ? 1.0 : 0.0;
}
y = max ((double) _desc.lower, y);
y = min ((double) _desc.upper, y);
}
}