void PixmapDial::paintEvent(QPaintEvent*)
{
QPainter painter(this);
if (! m_label.isEmpty())
{
painter.setPen(m_color2);
painter.setBrush(m_label_gradient);
painter.drawRect(m_label_gradient_rect);
painter.setPen(m_colorT[isEnabled() ? 0 : 1]);
painter.drawText(m_label_pos, m_label);
}
if (isEnabled())
{
float current = value()-minimum();
float divider = maximum()-minimum();
if (divider == 0.0f)
return;
float value = current/divider;
QRectF source, target(0.0f, 0.0f, p_size, p_size);
int xpos, ypos, per = (p_count-1)*value;
if (m_orientation == HORIZONTAL)
{
xpos = p_size*per;
ypos = 0.0f;
}
else
{
xpos = 0.0f;
ypos = p_size*per;
}
source = QRectF(xpos, ypos, p_size, p_size);
painter.drawPixmap(target, m_pixmap, source);
// Custom knobs (Dry/Wet and Volume)
if (m_custom_paint == CUSTOM_PAINT_CARLA_WET || m_custom_paint == CUSTOM_PAINT_CARLA_VOL)
{
// knob color
QColor colorGreen(0x5D, 0xE7, 0x3D, 191 + m_hover_step*7);
QColor colorBlue(0x3E, 0xB8, 0xBE, 191 + m_hover_step*7);
// draw small circle
QRectF ballRect(8.0, 8.0, 15.0, 15.0);
QPainterPath ballPath;
ballPath.addEllipse(ballRect);
//painter.drawRect(ballRect);
float tmpValue = (0.375f + 0.75f*value);
float ballValue = tmpValue - floorf(tmpValue);
QPointF ballPoint(ballPath.pointAtPercent(ballValue));
// draw arc
int startAngle = 216*16;
int spanAngle = -252*16*value;
if (m_custom_paint == CUSTOM_PAINT_CARLA_WET)
{
painter.setBrush(colorBlue);
painter.setPen(QPen(colorBlue, 0));
painter.drawEllipse(QRectF(ballPoint.x(), ballPoint.y(), 2.2, 2.2));
QConicalGradient gradient(15.5, 15.5, -45);
gradient.setColorAt(0.0, colorBlue);
gradient.setColorAt(0.125, colorBlue);
gradient.setColorAt(0.625, colorGreen);
gradient.setColorAt(0.75, colorGreen);
gradient.setColorAt(0.76, colorGreen);
gradient.setColorAt(1.0, colorGreen);
painter.setBrush(gradient);
painter.setPen(QPen(gradient, 3));
}
else
{
painter.setBrush(colorBlue);
painter.setPen(QPen(colorBlue, 0));
painter.drawEllipse(QRectF(ballPoint.x(), ballPoint.y(), 2.2, 2.2));
painter.setBrush(colorBlue);
painter.setPen(QPen(colorBlue, 3));
}
painter.drawArc(4.0, 4.0, 26.0, 26.0, startAngle, spanAngle);
}
// Custom knobs (L and R)
else if (m_custom_paint == CUSTOM_PAINT_CARLA_L || m_custom_paint == CUSTOM_PAINT_CARLA_R)
{
// knob color
QColor color(0xAD + m_hover_step*5, 0xD5 + m_hover_step*4, 0x4B + m_hover_step*5);
// draw small circle
QRectF ballRect(7.0, 8.0, 11.0, 12.0);
QPainterPath ballPath;
ballPath.addEllipse(ballRect);
//painter.drawRect(ballRect);
float tmpValue = (0.375f + 0.75f*value);
float ballValue = tmpValue - floorf(tmpValue);
QPointF ballPoint(ballPath.pointAtPercent(ballValue));
painter.setBrush(color);
painter.setPen(QPen(color, 0));
painter.drawEllipse(QRectF(ballPoint.x(), ballPoint.y(), 2.0f, 2.0f));
int startAngle, spanAngle;
// draw arc
if (m_custom_paint == CUSTOM_PAINT_CARLA_L)
{
startAngle = 216*16;
spanAngle = -252.0*16*value;
}
else if (m_custom_paint == CUSTOM_PAINT_CARLA_R)
{
startAngle = 324.0*16;
spanAngle = 252.0*16*(1.0-value);
}
else
return;
painter.setPen(QPen(color, 2));
painter.drawArc(3.5, 4.5, 22.0, 22.0, startAngle, spanAngle);
if (HOVER_MIN < m_hover_step && m_hover_step < HOVER_MAX)
{
m_hover_step += m_hovered ? 1 : -1;
QTimer::singleShot(20, this, SLOT(update()));
}
}
if (HOVER_MIN < m_hover_step && m_hover_step < HOVER_MAX)
{
m_hover_step += m_hovered ? 1 : -1;
QTimer::singleShot(20, this, SLOT(update()));
}
}
else
{
QRectF target(0.0, 0.0, p_size, p_size);
painter.drawPixmap(target, m_pixmap, target);
}
}
bool BallPerceptor::checkBallPoints()
{
// find "valid" ball points
validBallPoints = 0;
static const int countOfBallPoints = sizeof(ballPoints) / sizeof(*ballPoints);
for(int i = 0; i < countOfBallPoints; ++i)
{
BallPoint& ballPoint(ballPoints[i]);
ballPoint.isValid = !ballPoint.atBorder && ballPoint.point != ballPoint.start;
if(ballPoint.isValid)
{
++validBallPoints;
//DOT("module:BallPerceptor:image", ballPoint.point.x, ballPoint.point.y, ColorRGBA(0, 0xff, 0, 0x70), ColorRGBA(0, 0xff, 0, 0x70));
}
}
if(validBallPoints < 3)
return false;
// find duplicated ball points (may occur in small balls)
for(int i = 0; i < countOfBallPoints; ++i)
{
BallPoint& ballPoint(ballPoints[i]);
if(ballPoint.isValid)
{
const BallPoint& nextBallPoint(ballPoints[(i + 1) % countOfBallPoints]);
if(nextBallPoint.isValid && ballPoint.point == nextBallPoint.point)
{
ballPoint.isValid = false;
--validBallPoints;
}
}
}
if(validBallPoints < 3)
return false;
// drop mismatching ball points
while(validBallPoints > 3)
{
Vector2<> preCenter;
float preRadius;
if(!getBallFromBallPoints(preCenter, preRadius))
return false;
float minDist = 0;
BallPoint* minDistBallPoint = 0;
for(int i = 0; i < countOfBallPoints; ++i)
{
BallPoint& ballPoint(ballPoints[i]);
if(ballPoint.isValid)
{
float dist = (ballPoint.pointf - preCenter).squareAbs();
if(!minDistBallPoint || dist < minDist)
{
minDist = dist;
minDistBallPoint = &ballPoint;
}
}
}
minDistBallPoint->isValid = false;
--validBallPoints;
if((preRadius - (sqrt(minDist) + 2.f)) / preRadius < 0.1f)
break;
}
/*
COMPLEX_DRAWING("module:BallPerceptor:image",
{
for(BallPoint* ballPoint = ballPoints, * end = ballPoints + sizeof(ballPoints) / sizeof(*ballPoints); ballPoint < end; ++ballPoint)
if(ballPoint->isValid)
{
DOT("module:BallPerceptor:image", ballPoint->point.x, ballPoint->point.y, ColorRGBA(0, 0xff, 0), ColorRGBA(0, 0, 0));
}
});
*/
return true;
}
void PixmapDial::paintEvent(QPaintEvent* event)
{
event->accept();
QPainter painter(this);
painter.save();
painter.setRenderHint(QPainter::Antialiasing, true);
if (! fLabel.isEmpty())
{
if (fCustomPaint == CUSTOM_PAINT_NULL)
{
painter.setPen(fColor2);
painter.setBrush(fLabelGradient);
painter.drawRect(fLabelGradientRect);
}
painter.setFont(fLabelFont);
painter.setPen(fColorT[isEnabled() ? 0 : 1]);
painter.drawText(fLabelPos, fLabel);
}
if (isEnabled())
{
float current = value()-minimum();
float divider = maximum()-minimum();
if (divider == 0.0f)
return;
float value = current/divider;
QRectF source, target(0.0f, 0.0f, fSize, fSize);
int xpos, ypos, per = (fCount-1)*value;
if (fOrientation == HORIZONTAL)
{
xpos = fSize*per;
ypos = 0.0f;
}
else
{
xpos = 0.0f;
ypos = fSize*per;
}
source = QRectF(xpos, ypos, fSize, fSize);
painter.drawPixmap(target, fPixmap, source);
// Custom knobs (Dry/Wet and Volume)
if (fCustomPaint == CUSTOM_PAINT_CARLA_WET || fCustomPaint == CUSTOM_PAINT_CARLA_VOL)
{
// knob color
QColor colorGreen(0x5D, 0xE7, 0x3D, 191 + fHoverStep*7);
QColor colorBlue(0x3E, 0xB8, 0xBE, 191 + fHoverStep*7);
// draw small circle
QRectF ballRect(8.0f, 8.0f, 15.0f, 15.0f);
QPainterPath ballPath;
ballPath.addEllipse(ballRect);
//painter.drawRect(ballRect);
float tmpValue = (0.375f + 0.75f*value);
float ballValue = tmpValue - std::floor(tmpValue);
QPointF ballPoint(ballPath.pointAtPercent(ballValue));
// draw arc
int startAngle = 216*16;
int spanAngle = -252*16*value;
if (fCustomPaint == CUSTOM_PAINT_CARLA_WET)
{
painter.setBrush(colorBlue);
painter.setPen(QPen(colorBlue, 0));
painter.drawEllipse(QRectF(ballPoint.x(), ballPoint.y(), 2.2f, 2.2f));
QConicalGradient gradient(15.5f, 15.5f, -45);
gradient.setColorAt(0.0f, colorBlue);
gradient.setColorAt(0.125f, colorBlue);
gradient.setColorAt(0.625f, colorGreen);
gradient.setColorAt(0.75f, colorGreen);
gradient.setColorAt(0.76f, colorGreen);
gradient.setColorAt(1.0f, colorGreen);
painter.setBrush(gradient);
painter.setPen(QPen(gradient, 3));
}
else
{
painter.setBrush(colorBlue);
painter.setPen(QPen(colorBlue, 0));
painter.drawEllipse(QRectF(ballPoint.x(), ballPoint.y(), 2.2f, 2.2f));
painter.setBrush(colorBlue);
painter.setPen(QPen(colorBlue, 3));
}
painter.drawArc(4.0f, 4.0f, 26.0f, 26.0f, startAngle, spanAngle);
}
// Custom knobs (L and R)
else if (fCustomPaint == CUSTOM_PAINT_CARLA_L || fCustomPaint == CUSTOM_PAINT_CARLA_R)
{
// knob color
QColor color(0xAD + fHoverStep*5, 0xD5 + fHoverStep*4, 0x4B + fHoverStep*5);
// draw small circle
QRectF ballRect(7.0f, 8.0f, 11.0f, 12.0f);
QPainterPath ballPath;
ballPath.addEllipse(ballRect);
//painter.drawRect(ballRect);
float tmpValue = (0.375f + 0.75f*value);
float ballValue = tmpValue - std::floor(tmpValue);
QPointF ballPoint(ballPath.pointAtPercent(ballValue));
painter.setBrush(color);
painter.setPen(QPen(color, 0));
painter.drawEllipse(QRectF(ballPoint.x(), ballPoint.y(), 2.0f, 2.0f));
int startAngle, spanAngle;
// draw arc
if (fCustomPaint == CUSTOM_PAINT_CARLA_L)
{
startAngle = 216*16;
spanAngle = -252.0*16*value;
}
else if (fCustomPaint == CUSTOM_PAINT_CARLA_R)
{
startAngle = 324.0*16;
spanAngle = 252.0*16*(1.0-value);
}
else
return;
painter.setPen(QPen(color, 2));
painter.drawArc(3.5f, 4.5f, 22.0f, 22.0f, startAngle, spanAngle);
if (HOVER_MIN < fHoverStep && fHoverStep < HOVER_MAX)
{
fHoverStep += fHovered ? 1 : -1;
QTimer::singleShot(20, this, SLOT(update()));
}
}
if (HOVER_MIN < fHoverStep && fHoverStep < HOVER_MAX)
{
fHoverStep += fHovered ? 1 : -1;
QTimer::singleShot(20, this, SLOT(update()));
}
}
else
{
QRectF target(0.0f, 0.0f, fSize, fSize);
painter.drawPixmap(target, fPixmap, target);
}
painter.restore();
}
