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Add envelope transform feature

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This commit is contained in:
xenakios 2018-02-28 00:05:35 +02:00
parent 0f70453c3a
commit ff35bce695
3 changed files with 43 additions and 3 deletions
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2
Source/PS_Source/ProcessedStretch.h
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@ -426,7 +426,7 @@ inline void spectrum_do_free_filter(shared_envelope& env, int nfreq, double samp
if (binhz >= 30.0)
{
double norm = 0.150542*log(0.0333333*binhz);
double db = jmap<double>(env->GetInterpolatedNodeValue(norm), 0.0, 1.0, -36.0, 12.0);
double db = jmap<double>(env->getTransformedValue(norm), 0.0, 1.0, -36.0, 12.0);
freq2[i] = freq1[i] * Decibels::decibelsToGain(db);
}
else

29
Source/envelope_component.cpp
View File

@ -53,7 +53,6 @@ void EnvelopeComponent::show_bubble(int x, int y, const envelope_node& node)
m_bubble.showAt({ x,y,100,20 }, temp , 5000);
}
void EnvelopeComponent::paint(Graphics& g)
{
if (!EnvelopeUnderlayDraw)
@ -105,6 +104,20 @@ void EnvelopeComponent::paint(Graphics& g)
g.drawLine((float)i, foo_y0, (float)i + 1, foo_y1, linethickness);
y0 = y1;
}
if (m_envelope->isTransformed())
{
g.setColour(Colours::aliceblue.darker());
y0 = m_envelope->getTransformedValue(0.0);
for (int i = 1; i < getWidth(); ++i)
{
double env_x = 1.0 / getWidth()*i;
double y1 = m_envelope->getTransformedValue(env_x);
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);
@ -298,7 +311,19 @@ void EnvelopeComponent::mouseUp(const MouseEvent &ev)
bool EnvelopeComponent::keyPressed(const KeyPress & ev)
{
if (ev == KeyPress::deleteKey && m_envelope!=nullptr)
if (m_envelope == nullptr)
return false;
if (ev == 'Q')
m_envelope->m_transform_x_shift -= 0.01;
if (ev == 'W')
m_envelope->m_transform_x_shift += 0.01;
if (ev == 'E')
m_envelope->m_transform_y_shift += 0.01;
if (ev == 'D')
m_envelope->m_transform_y_shift -= 0.01;
repaint();
if (ev == KeyPress::deleteKey)
{
m_node_to_drag = -1;
//m_envelope->ClearAllNodes();

15
Source/jcdp_envelope.h
View File

@ -559,6 +559,21 @@ public:
}
String m_script;
double m_transform_x_shift = 0.0;
double m_transform_y_shift = 0.0;
inline double getTransformedValue(double x)
{
if (isTransformed() == false)
return x;
double temp = fmod(x - m_transform_x_shift, 1.0);
if (temp < 0.0)
temp += 1.0;
return jlimit(0.0,1.0,GetInterpolatedNodeValue(temp) + m_transform_y_shift);
}
bool isTransformed() const
{
return m_transform_x_shift != 0.0 || m_transform_y_shift != 0.0;
}
private:
nodes_t m_nodes;
double m_playoffset=0.0;