void MLGraph::resized()
{
MLLookAndFeel* myLookAndFeel = MLLookAndFeel::getInstance();
int m = myLookAndFeel->getSmallMargin();
int w = getWidth();
int h = getHeight();
// default ctor for MLRange sets [0, 1]
//
mResolution = w/4;
mViewDomain.convertTo(MLRange(m + 0.5, w - m + 0.5));
mViewRange.convertTo(MLRange(h - m + 0.5, m + 0.5));
}
void MLGraph::paint (Graphics& g)
{
MLLookAndFeel* myLookAndFeel = MLLookAndFeel::getInstance();
int m = myLookAndFeel->getSmallMargin();
int w = getWidth();
int h = getHeight();
Rectangle<float> br (m + 0.5, m + 0.5, w - 2*m + 0.5, h - 2*m + 0.5);
float outlineThickness = 0.5;
Path envPath;
float fx, fy, viewX, viewY;
envPath.startNewSubPath(mViewDomain(0), mViewRange(0));
for(int i=0; i<=mResolution; ++i)
{
fx = mDomain((float)i/(float)mResolution);
// evaluate function at fx;
fy = 0.;
int s = mPolyCoeffs.size();
for(int j=0; j<s; ++j)
{
float k = mPolyCoeffs[j];
fy += k*powf(fx, j);
}
viewX = mViewDomain(fx);
viewY = mViewRange(fy);
envPath.lineTo(viewX, viewY);
}
envPath.lineTo(mViewDomain(1), mViewRange(0));
g.setColour(findColour(MLLookAndFeel::outlineColor));
g.strokePath(envPath, PathStrokeType (outlineThickness));
g.setColour(findColour(MLLookAndFeel::outlineColor).withAlpha(0.125f));
g.fillPath(envPath);
}
void MLEnvelope::paint (Graphics& g)
{
float mDelay = getFloatProperty("delay");
float mAttack = getFloatProperty("attack");
float mSustain = getFloatProperty("sustain");
float mDecay = getFloatProperty("decay");
float mRelease = getFloatProperty("release");
float r = getFloatProperty("repeat");
float mRepeat = (r > 0.f) ? (1.f / (r + 0.0001f)) : 0.f;
MLLookAndFeel* myLookAndFeel = (&(getRootViewResources(this).mLookAndFeel));
if (isOpaque())
myLookAndFeel->drawBackground(g, this);
float margin = myLookAndFeel->getSmallMargin() * myLookAndFeel->getGridUnitSize();
int w = getWidth()-1;
int h = getHeight()-1;
float totalTime;
float startX, delX, attX, decX, susX, relX, repX, endX;
float attTime, decTime, relTime, susTime;
float leadIn = 0.01;
float leadOut = 0.01;
float susHeight;
float epsilon = 0.0005;
float susLevel = mDARMode ? 1.0f : mSustain;
attTime = mAttack + kMinAttack;
decTime = mDecay * (1.f - susLevel) + kMinDecay;
relTime = mRelease * susLevel + kMinDecay;
// get times
if (mDARMode)
{
susTime = (mSustain > 0.5) ? 1.f : 0.f; // is hold on?
decTime = 0.;
totalTime = leadIn + mDelay + attTime + susTime + relTime + leadIn + leadOut;
}
else
{
susTime = 1.f;
totalTime = leadIn + attTime + decTime + susTime + relTime + leadIn + leadOut;
}
if (mRepeat > epsilon)
{
totalTime = ml::max(totalTime, (float)(leadIn + mDelay + mRepeat + leadOut));
}
totalTime = ml::max(totalTime, 0.01f);
// get dims
MLRange vRange(UnityRange);
MLRange wRange(0.f, totalTime);
vRange.convertTo(MLRange(h - margin, margin));
wRange.convertTo(MLRange(margin, w - margin*2));
float t = 0.;
startX = wRange(0.);
delX = wRange(t += mDelay);
attX = wRange(t += attTime);
decX = wRange(t += decTime);
susX = wRange(t += susTime);
relX = wRange(t += relTime);
endX = wRange(totalTime);
repX = wRange(leadIn + mDelay + mRepeat);
susHeight = vRange(susLevel);
// draw env shape
Path envPath;
envPath.startNewSubPath(startX, floor(h - margin) + 0.5);
envPath.lineTo(delX, floor(h - margin) + 0.5);
envPath.quadraticTo(delX, floor(margin) + 0.5, attX, floor(margin) + 0.5); // up
envPath.quadraticTo(attX, floor(susHeight) + 0.5, decX, floor(susHeight) + 0.5); // down
envPath.quadraticTo(decX, floor(susHeight) + 0.5, susX, floor(susHeight) + 0.5); // across
envPath.quadraticTo(susX, floor(h - margin) + 0.5, relX, floor(h - margin) + 0.5); // down
envPath.quadraticTo(relX, floor(h - margin) + 0.5, endX, floor(h - margin) + 0.5); // across
g.setColour(findColour(MLLookAndFeel::outlineColor));
g.strokePath(envPath, PathStrokeType (mOutlineThickness));
g.setColour(findColour(MLLookAndFeel::outlineColor).withAlpha(0.125f));
g.fillPath(envPath);
// lines down
envPath.clear();
envPath.startNewSubPath(attX, floor(margin) + 0.5);
envPath.lineTo(attX, floor(h - margin) + 0.5);
envPath.startNewSubPath(decX, floor(susHeight) + 0.5);
envPath.lineTo(decX, floor(h - margin) + 0.5);
envPath.startNewSubPath(susX, floor(susHeight) + 0.5);
envPath.lineTo(susX, floor(h - margin) + 0.5);
g.setColour(findColour(MLLookAndFeel::outlineColor));
g.strokePath(envPath, PathStrokeType (mOutlineThickness / 2));
// draw repeat bracket
if (mRepeat > epsilon)
{
float thick = margin / 2;
float high = margin * 1.5;
envPath.clear();
envPath.startNewSubPath(floor(delX - thick/2) , floor(h - margin - high));
envPath.lineTo(floor(delX - thick/2) , floor(h - margin));
envPath.lineTo(floor( repX + thick/2) , floor(h - margin));
envPath.lineTo(floor( repX + thick/2) , floor(h - margin - high));
g.strokePath(envPath, PathStrokeType (mOutlineThickness * 4));
}
//debug() << "DEL " << mDelay << " ATT " << attTime << " DEC " << decTime << " SUS " << susTime << " REL " << relTime << " REP " << mRepeat << "\n";
//debug() << "repeatX: " << repX << " delayX: " << delX << "\n";
/*
// TEST
Path tbounds;
const Rectangle<int> & boundsRect ( getLocalBounds());
tbounds.addRectangle(boundsRect);
g.setColour(Colours::red);
g.strokePath(tbounds, PathStrokeType(0.5f));
*/
}