void CanvasContextAttributes::setAlpha(bool value)
{
if (m_alpha == value)
return;
m_alpha = value;
emit alphaChanged(value);
}
void FillSpec::setAlpha(qreal arg)
{
// Clamp the value before testing...
if (arg > 1) arg = 1;
else if (arg < 0) arg = 0;
if (m_alpha == arg) return;
m_alpha = arg;
emit alphaChanged(arg);
}
void ColorBox::setAlpha(int newAlpha)
{
if (m_color.alpha() == newAlpha)
return;
m_color.setAlpha(newAlpha);
update();
emit alphaChanged();
emit colorChanged();
}
void ColorBox::setColor(const QColor &color)
{
if (m_color == color)
return;
int oldsaturation = m_color.hsvSaturation();
int oldvalue = m_color.value();
int oldhue = m_color.hsvHue();
int oldAlpha = m_color.alpha();
m_color=color;
update();
if (oldhue != m_color.hsvHue()) emit hueChanged();
if (oldsaturation != saturation()) emit saturationChanged();
if (oldvalue != value()) emit valueChanged();
if (oldAlpha != alpha()) emit alphaChanged();
}
void NoiseReductionWidget::alphaChanged(int value)
{
alphaChanged ( (double)value / ( FLOAT_SLIDER_RES / GREYC_ALPHA_RANGE ) );
}
//---------------------------------------------------------
// alphaChanged
//---------------------------------------------------------
void NoteInfo::alphaChanged(int alpha)
{
tconfig().set_property("PianorollEdit", "renderalpha", alpha);
tconfig().save();
emit alphaChanged();
}
void PlotItem::SetAlpha (double a)
{
Alpha_ = a;
emit alphaChanged ();
}
