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Code Issues Releases Activity

Optimized display for multi-SVG example.

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git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@524 ebee16cc-31ac-478f-84a7-5cbb03baadba
This commit is contained in:
edouard 2010-04-18 20:45:07 +00:00 committed by edouard
parent afce3e0333
commit 19344dea84
1 changed files with 36 additions and 19 deletions
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55
ground/src/experimental/DialTest/basicsvgdial.cpp
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@ -12,6 +12,26 @@ BasicSvgDial::BasicSvgDial(QWidget *parent) : QGraphicsView(parent)
angle = 0;
setScene(new QGraphicsScene(this));
QGraphicsScene *s = scene();
s->clear();
m_backgroundItem = new QGraphicsSvgItem(backgroundFile);
m_backgroundItem->setZValue(-1);
m_needleItem = new QGraphicsSvgItem(needleFile);
QRectF rect = m_needleItem->boundingRect();
m_needleItem->translate(rect.width()/2,rect.height()/2);
m_needleItem->rotate(angle);
m_needleItem->translate(-rect.width()/2,-rect.height()/2);
m_needleItem->setZValue(0);
m_foregroundItem = new QGraphicsSvgItem(foregroundFile);
m_foregroundItem->setZValue(1);
s->addItem(m_backgroundItem);
s->addItem(m_needleItem);
s->addItem(m_foregroundItem);
s->setSceneRect(m_backgroundItem->boundingRect());
}
@ -31,9 +51,6 @@ void BasicSvgDial::paintEvent(QPaintEvent *event) {
void BasicSvgDial::setAngle(int i) {
qDebug() << "BasicDial::setAngle()";
angle = value2angle(i);
@ -59,26 +76,11 @@ qreal BasicSvgDial::value2angle(qreal value) {
void BasicSvgDial::setValue(qreal value) {
angle = value2angle(value);
currentValue = value;
QGraphicsScene *s = scene();
s->clear();
m_backgroundItem = new QGraphicsSvgItem(backgroundFile);
m_backgroundItem->setZValue(-1);
m_needleItem = new QGraphicsSvgItem(needleFile);
m_needleItem->resetTransform();
QRectF rect = m_needleItem->boundingRect();
m_needleItem->translate(rect.width()/2,rect.height()/2);
m_needleItem->rotate(angle);
m_needleItem->translate(-rect.width()/2,-rect.height()/2);
m_needleItem->setZValue(0);
m_foregroundItem = new QGraphicsSvgItem(foregroundFile);
m_foregroundItem->setZValue(1);
s->addItem(m_backgroundItem);
s->addItem(m_needleItem);
s->addItem(m_foregroundItem);
s->setSceneRect(m_backgroundItem->boundingRect());
update();
}
@ -88,15 +90,30 @@ qreal BasicSvgDial::getValue(void) {
void BasicSvgDial::setBackgroundFile(QString file) {
backgroundFile = file;
scene()->removeItem(m_backgroundItem);
delete m_backgroundItem;
m_backgroundItem = new QGraphicsSvgItem(backgroundFile);
m_backgroundItem->setZValue(-1);
scene()->addItem(m_backgroundItem);
update();
}
void BasicSvgDial::setForegroundFile(QString file) {
foregroundFile = file;
scene()->removeItem(m_foregroundItem);
delete m_foregroundItem;
m_foregroundItem = new QGraphicsSvgItem(foregroundFile);
m_foregroundItem->setZValue(1);
scene()->addItem(m_foregroundItem);
update();
}
void BasicSvgDial::setNeedleFile(QString file) {
needleFile = file;
scene()->removeItem(m_needleItem);
delete m_needleItem;
m_needleItem = new QGraphicsSvgItem(needleFile);
m_needleItem->setZValue(0);
scene()->addItem(m_needleItem);
update();
}