void IntervalProgressDisplay::EllipticalPaintStrategy::drawCircles(QPainter &p, const QRectF &rect, const PaintContext &context, const PaintColors &colors, int beatsToDraw, int beatsToDrawOffset, bool drawPath)
{
if (drawPath) {
paintEllipticalPath(p, rect, colors, context.currentBeat, beatsToDraw);
}
qreal angleIncrement = (2 * -PI) / beatsToDraw;
double angle = -PI/2 + angleIncrement;
qreal hRadius = rect.width()/2;
qreal vRadius = rect.height()/2;
qreal centerX = rect.center().x();
qreal centerY = rect.center().y();
for (int beat = beatsToDraw-1; beat >= 0; --beat) {
// draw the current beat
if (beat + beatsToDrawOffset >= context.currentBeat) {
qreal x = centerX + ((hRadius) * std::cos(angle));
qreal y = centerY + ((vRadius) * std::sin(angle));
p.setBrush(getBrush(beat, beatsToDrawOffset, context, colors));
p.setPen(getPen(beat, beatsToDrawOffset, context));
qreal size = getCircleSize(beat, beatsToDrawOffset, context);
p.drawEllipse(QPointF(x, y), size, size);
}
angle += angleIncrement;
}
}
void IntervalProgressDisplay::drawBeatCircles(QPainter& p, int hRadius, int vRadius, int beatCircles, int offset) {
paintEllipticalPath(p, hRadius, vRadius);
double angle = -PI / 2.0;
const float FIRST_COLOR_POSITION = 0.0f;
const float SECOND_COLOR_POSITION = 0.99f;
//float hRadius = width()/2;
//float vRadius = height()/2;
for (int i = 0; i < beatCircles; i++) {
int x = centerX + (hRadius * std::cos(angle));// - ovalSize /2;
int y = (centerY + (vRadius * std::sin(angle))) + ovalSize/2;
QRadialGradient brush(x + ovalSize/2, y, ovalSize*2);
QPen pen(Qt::NoPen);
//p->drawLine(0, centerY, width(), centerY);
//beat not played yet
brush.setColorAt(FIRST_COLOR_POSITION, Qt::gray);
brush.setColorAt(SECOND_COLOR_POSITION, Qt::black);
bool isIntervalFirstBeat = i + offset == 0;
bool isMeasureFirstBeat = (i + offset) % beatsPerAccent == 0;
if (i + offset == currentBeat && (isIntervalFirstBeat || isMeasureFirstBeat)) {//first beats
if( isIntervalFirstBeat || isShowingAccents() ){
brush.setColorAt(FIRST_COLOR_POSITION, QColor(255, 100, 100));//accent beat colors
brush.setColorAt(SECOND_COLOR_POSITION, Qt::red);
}
else{
brush.setColorAt(FIRST_COLOR_POSITION, Qt::green); //playing beat highlight colors
brush.setColorAt(SECOND_COLOR_POSITION, Qt::darkGreen);
}
pen.setColor(Qt::darkGray);
pen.setStyle(Qt::SolidLine);
}
else{
if((i + offset) % beatsPerAccent == 0 && (i+offset) > currentBeat){
if(isShowingAccents()){
brush.setColorAt(FIRST_COLOR_POSITION, Qt::white); //accent marks
brush.setColorAt(SECOND_COLOR_POSITION, Qt::gray);
pen.setColor(Qt::gray);
pen.setStyle(Qt::SolidLine);
}
}
else if ( (i + offset) <= currentBeat) {
if(i + offset < currentBeat){
brush.setColorAt(FIRST_COLOR_POSITION, PLAYED_BEATS_FIRST_COLOR); //played beats
brush.setColorAt(SECOND_COLOR_POSITION, PLAYED_BEATS_SECOND_COLOR);
}
else{//the current beat is highlighted
brush.setColorAt(FIRST_COLOR_POSITION, Qt::green); //playing beat highlight colors
brush.setColorAt(SECOND_COLOR_POSITION, Qt::darkGreen);
pen.setColor(Qt::darkGreen);
pen.setStyle(Qt::SolidLine);
}
}
}
p.setBrush(brush);
p.setPen( pen );
int size = (i + offset) == currentBeat ? ovalSize + 1 : ovalSize;
p.drawEllipse( QPoint(x, y), size, size);
if(offset > 0 && currentBeat < offset){//is drawing the first circles?
p.setBrush(QColor(255,255, 255, 200)); //the internal circles are drawed transparent
p.drawEllipse( QPoint(x, y), size, size);
}
angle -= 2 * -PI / beatCircles;
}
}
