void ColorWheel::composeWheel(QPixmap& pixmap)
{
QPainter composePainter(&pixmap);
composePainter.drawImage(0, 0, mWheelImage);
composePainter.drawImage(mSquareRect, mSquareImage);
composePainter.end();
drawHueIndicator(mCurrentColor.hsvHue());
drawPicker(mCurrentColor);
}
void ColorWheel::composeWheel( QPixmap& pixmap )
{
QPainter composePainter(&pixmap);
composePainter.drawImage(0, 0, m_wheelImage);
composePainter.drawImage(m_squareRegion.boundingRect().topLeft(), m_squareImage);
composePainter.end();
drawHueIndicator(m_currentColor.hue());
drawPicker(m_currentColor);
}
void ColorWheel::resizeEvent(QResizeEvent *event)
{
wheel = QPixmap(event->size());
wheel.fill(palette().background().color());
drawWheel(event->size());
drawSquare(current.hue());
drawIndicator(current.hue());
drawPicker(current);
update();
}
void ColorWheel::svChanged(const QColor &newcolor)
{
int hue = current.hue();
current.setHsv(hue, newcolor.saturation(), newcolor.value());
if(!isVisible()) return;
drawWheel(size());
drawSquare(hue);
drawIndicator(hue);
drawPicker(newcolor);
repaint();
emit colorChange(current);
}
void ColorWheel::hueChanged(const int &hue)
{
if( hue<0 ||hue>359)return;
int s = current.saturation();
int v = current.value();
current.setHsv(hue, s, v);
if(!isVisible()) return;
drawWheel(size());
drawSquare(hue);
drawIndicator(hue);
drawPicker(current);
repaint();
emit colorChange(current);
}
void NQColorWheel::paintEvent(QPaintEvent * /* e */)
{
QPainter painter(this);
QStyleOption opt;
opt.initFrom(this);
QPainter composePainter(&pixmapWheel_);
composePainter.drawImage(0, 0, imageWheel_);
composePainter.drawImage(regionSquare_.boundingRect().topLeft(), imageSquare_);
composePainter.end();
drawIndicator(currentColor_.hue());
drawPicker(currentColor_);
painter.drawPixmap(0, 0, pixmapWheel_);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &painter, this);
}
void ColorWheel::paintEvent(QPaintEvent*) {
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
QStyleOption opt;
opt.initFrom(this);
// use the following lines to obtain the background color of the widget
//QBrush background = opt.palette.window();
//wheel.fill(background.color());
drawOuterRing(painter);
painter.drawImage(squareRegion_.boundingRect(), squareImage_);
drawIndicator(painter);
drawPicker(painter);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &painter, this);
}
