/**
* 功能：
* 绘制单元格背景
*/
void WinDigitalDelegate::drawBackground(QPainter *painter,const QStyleOptionViewItem &option, const QModelIndex &index) const
{
painter->save();
QPainterPath path;
path.addRoundedRect(option.rect,5,5);
painter->setClipPath(path);//倒角
/***************绘制背景色***************/
QRectF rect(option.rect);
painter->setPen(Qt::transparent);
painter->setBrush(option.backgroundBrush);
painter->drawRect(rect);
/*****************绘制色卡******************/
QRectF colorRect(rect);
colorRect.setLeft(rect.right()-rect.width()/18);
painter->setBrush(QBrush(index.data(ChannelColor).value<QColor>()));
painter->drawRect(colorRect);
/****************绘制光照效果****************/
QLinearGradient skinColor(rect.topLeft(),rect.bottomLeft());
skinColor.setColorAt(0,QColor(255,255,255,170));
skinColor.setColorAt(0.09,QColor(255,255,255,170));
skinColor.setColorAt(0.10,QColor(255,255,255,50));
skinColor.setColorAt(0.48,QColor(0,0,0,5));
skinColor.setColorAt(0.49,QColor(100,100,100,20));
skinColor.setColorAt(0.97,QColor(255,255,255,0));
skinColor.setColorAt(0.98,QColor(255,255,255,50));
skinColor.setColorAt(1,QColor(255,255,255,150));
painter->setPen(Qt::transparent);
painter->setBrush(QBrush(skinColor));
painter->drawRect(rect);
painter->restore();
}
void WinBarDelegate::paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const
{
if(index.isValid() && index.data(ChannelData).isValid()){
painter->save();
painter->setRenderHint(QPainter::Antialiasing);
/**************配置*****************/
QRectF rect(option.rect.marginsAdded(margins));
if(option.state & QStyle::State_Sunken && option.state & QStyle::State_HasFocus){
rect.moveTo(rect.x() + 1, rect.y() + 1);
}
QRectF topRect(rect);
topRect.setHeight(rect.height()/6);
QFont font = option.font;
font.setFamily(font.defaultFamily());
/*****************色卡*****************/
QRectF colorRect(topRect);
colorRect.setHeight(topRect.height()/5 * 3);
painter->setPen(QColor(0,0,0,0));
painter->setBrush(QColor(index.data(ChannelColor).value<QColor>()));
painter->drawRoundedRect(colorRect,5,5);
/****************头部背景色**************/
QRectF headRect(topRect);
headRect.setTop(colorRect.center().y());
painter->setBrush(QBrush(QColor(240,240,240)));
painter->drawRect(headRect);
/******************底部背景色*******************/
QRectF bottomRect(rect);
bottomRect.setTop(topRect.bottom() + 2);
painter->setPen(QColor(0,0,0,0));
painter->setBrush(QBrush(QColor(240,240,240)));
painter->drawRect(bottomRect);
/******************色柱********************/
QRectF barRect(bottomRect);
quint8 base = index.data(ChannelBarBase).toUInt();
qreal mesureVal = index.data(ChannelData).toDouble();
qreal rangeUpper = index.data(ChannelDispUpper).toDouble();
qreal rangeDowner = index.data(ChannelDispDowner).toDouble();
if(mesureVal >= 0){
barRect.setTop(barRect.top() + barRect.height()/2 * (1 - mesureVal/rangeUpper));
}else if(mesureVal < 0){
barRect.setTop(barRect.top() + barRect.height()/2 * (1 + mesureVal/rangeDowner));
}
if(base == 1){
barRect.setBottom(bottomRect.center().y());
}else if(base == 2){
barRect.setBottom(bottomRect.top());
}
painter->setPen(QColor(0,0,0,0));
painter->setBrush(QColor(index.data(ChannelColor).value<QColor>()));
painter->drawRect(barRect);
/****************光泽效果*****************/
QLinearGradient skinColor(rect.topLeft(),rect.topRight());
skinColor.setColorAt(0,QColor(255,255,255,0));
skinColor.setColorAt(0.09,QColor(255,255,255,0));
skinColor.setColorAt(0.1,QColor(255,255,255,200));
skinColor.setColorAt(0.13,QColor(255,255,255,200));
skinColor.setColorAt(0.14,QColor(255,255,255,80));
skinColor.setColorAt(0.50,QColor(0,0,0,20));
skinColor.setColorAt(0.75,QColor(0,0,0,10));
skinColor.setColorAt(0.76,QColor(255,255,255,30));
skinColor.setColorAt(0.95,QColor(255,255,255,150));
skinColor.setColorAt(0.96,QColor(255,255,255,0));
skinColor.setColorAt(1,QColor(255,255,255,0));
painter->setPen(QPen(QColor(200,230,255,0)));
painter->setBrush(skinColor);
painter->drawRect(rect);
/*****************刻度*********************/
qreal baseX = bottomRect.right();
qreal baseY = bottomRect.top();
qreal len = bottomRect.width()/8;
quint8 count = index.data(ChannelBarDiv).toUInt();
qreal span = bottomRect.height()/count;
painter->setPen(Qt::black);
painter->setBrush(QBrush(QColor(0,0,0,0)));
for(quint8 i=1; i<count; ++i){
painter->drawLine(baseX - len, baseY + i*span, baseX, baseY + i*span);
}
/**************量程*****************/
QRectF valRect(bottomRect);
valRect.setHeight(span);
font.setPixelSize(valRect.height()/2);
painter->setFont(font);
painter->setPen(QPen(Qt::black,1));
painter->drawText(valRect,QString::number(rangeUpper,'f',4));
valRect.moveBottom(bottomRect.bottom());
painter->drawText(valRect,Qt::AlignBottom,QString::number(rangeDowner,'f',4));
/**************测量值*********************/
valRect.moveBottom(barRect.top());
if(valRect.top() < baseY + span){
valRect.moveTop(baseY + span);
}else if(valRect.bottom() > bottomRect.bottom() - 2 * span){
valRect.moveBottom(bottomRect.bottom() - 2 * span);
}
painter->drawText(valRect,Qt::AlignBottom|Qt::AlignHCenter,QString::number(mesureVal,'f',4));
/*******************单位***********************/
valRect.moveTop(valRect.bottom());
valRect.setRight(baseX - len);
//painter->setPen(QColor(100,100,100));
painter->drawText(valRect,Qt::AlignRight|Qt::AlignTop,index.data(ChannelUnit).toString());
/****************标记********************/
font.setPixelSize(headRect.height()/2);
painter->setFont(font);
painter->setPen(QColor(100,100,100));
painter->drawText(headRect,Qt::AlignCenter,index.data(ChannelTag).toString());
/*****************擦除头尾连接**********************/
painter->setBrush(QBrush(QColor(0,0,0,0)));
painter->setPen(QPen(Qt::black,1));
painter->drawRect(bottomRect);
painter->eraseRect(QRectF(topRect.bottomLeft(), bottomRect.topRight()));
/*********************按压效果*************************/
if(option.state & QStyle::State_Sunken && option.state & QStyle::State_HasFocus){
painter->setPen(QPen(QColor(0,0,255,100),3));
painter->setBrush(QBrush(QColor(180,180,180,50)));
painter->drawRoundedRect(rect,6,6);
}
painter->restore();
}
}
