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Simplify the envelope drawing, might come at a slight performance cost

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xenakios 2018-02-27 23:11:03 +02:00
parent 3dfb6a3c80
commit 0f70453c3a
1 changed files with 13 additions and 49 deletions
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62
Source/envelope_component.cpp
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@ -94,63 +94,27 @@ void EnvelopeComponent::paint(Graphics& g)
name = "Untitled envelope";
g.drawText(name, 10, 10, getWidth(), getHeight(), Justification::topLeft);
const float linethickness = 1.0f;
g.setColour(m_env_color);
double y0 = m_envelope->GetInterpolatedNodeValue(0.0);
const int drawstep = 1;
for (int i = 1; i < getWidth(); ++i)
{
double y1 = m_envelope->GetInterpolatedNodeValue(1.0/getWidth()*i);
double foo_y0 = (double)getHeight() - jmap<double>(y0, m_view_start_value, m_view_end_value, 0.0, getHeight());
double foo_y1 = (double)getHeight() - jmap<double>(y1, m_view_start_value, m_view_end_value, 0.0, getHeight());
g.drawLine((float)i, foo_y0, (float)i + 1, foo_y1, linethickness);
y0 = y1;
}
for (int i = 0; i < m_envelope->GetNumNodes(); ++i)
{
const envelope_node& pt = m_envelope->GetNodeAtIndex(i);
double xcor = jmap(pt.Time, m_view_start_time, m_view_end_time, 0.0, (double)getWidth());
double ycor = (double)getHeight()-jmap(pt.Value, m_view_start_value, m_view_end_value, 0.0,(double)getHeight());
double ycor = (double)getHeight() - jmap(pt.Value, m_view_start_value, m_view_end_value, 0.0, (double)getHeight());
g.setColour(Colours::white);
if (pt.Status==0)
if (pt.Status == 0)
g.drawRect((float)xcor - 4.0f, (float)ycor - 4.0f, 8.0f, 8.0f, 1.0f);
else g.fillRect((float)xcor - 4.0f, (float)ycor - 4.0f, 8.0f, 8.0f);
m_envelope->resamplePointToLinearSegments(i,0.0, 1.0, 0.0, 1.0, [&g,linethickness,this](double pt_x0, double pt_y0, double pt_x1, double pt_y1)
{
double foo_x0 = jmap<double>(pt_x0, m_view_start_time, m_view_end_time, 0.0, getWidth());
double foo_x1 = jmap<double>(pt_x1, m_view_start_time, m_view_end_time, 0.0, getWidth());
double foo_y0 = (double)getHeight() - jmap<double>(pt_y0, m_view_start_value, m_view_end_value, 0.0, getHeight());
double foo_y1 = (double)getHeight() - jmap<double>(pt_y1, m_view_start_value, m_view_end_value, 0.0, getHeight());
g.setColour(m_env_color);
g.drawLine((float)foo_x0, (float)foo_y0, (float)foo_x1, (float)foo_y1, linethickness);
//g.setColour(Colours::white);
//g.drawLine(foo_x0, foo_y0 - 8.0, foo_x0, foo_y0 + 8.0, 1.0);
}, [this](double xdiff)
{
return std::max((int)(xdiff*getWidth() / 16), 8);
});
/*
envelope_node pt1;
if (i + 1 < m_envelope->GetNumNodes())
{
g.setColour(m_env_color);
pt1 = m_envelope->GetNodeAtIndex(i + 1);
double xcor1 = jmap(pt1.Time, m_view_start_time, m_view_end_time, 0.0, (double)getWidth());
double ycor1 = (double)getHeight() - jmap(pt1.Value, m_view_start_value, m_view_end_value, 0.0, (double)getHeight());
g.drawLine((float)xcor, (float)ycor, (float)xcor1, (float)ycor1, linethickness);
}
if (i == 0 && pt.Time >= 0.0)
{
g.setColour(m_env_color);
g.drawLine(0.0f, (float)ycor, (float)xcor, float(ycor), linethickness);
}
if (i == m_envelope->GetNumNodes()-1 && pt.Time < 1.0)
{
g.setColour(m_env_color);
g.drawLine((float)xcor, (float)ycor, (float)getWidth(), float(ycor), linethickness);
}
*/
}
#ifdef ENVELOPEDRAWDERIVATIVE
g.setColour(Colours::green);
//double prevderiv = derivative([this](double xx) { return m_envelope->GetInterpolatedNodeValue(xx); }, 0.0);
for (int i = 0; i < getWidth()/8; ++i)
{
double x = 1.0 / getWidth()*(i*8);
double derv = derivative([this](double xx) { return m_envelope->GetInterpolatedNodeValue(xx); }, x);
double y = getHeight()-jmap<double>(derv, -10.0, 10.0, 0.0, getHeight());
g.fillEllipse(i*8, y, 5.0f, 5.0f);
}
#endif
}
void EnvelopeComponent::changeListenerCallback(ChangeBroadcaster*)