本文整理汇总了C++中QScreen::logicalDotsPerInchX方法的典型用法代码示例。如果您正苦于以下问题：C++ QScreen::logicalDotsPerInchX方法的具体用法？C++ QScreen::logicalDotsPerInchX怎么用？C++ QScreen::logicalDotsPerInchX使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QScreen的用法示例。
在下文中一共展示了QScreen::logicalDotsPerInchX方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: QGraphicsScene
KReportDesignerSectionScene::KReportDesignerSectionScene(qreal w, qreal h, KReportDesigner *rd)
: QGraphicsScene(0, 0, w, h, rd)
{
m_rd = rd;
m_minorSteps = 0;
QScreen *srn = QApplication::screens().at(0);
m_dpiX = srn->logicalDotsPerInchX();
m_dpiY = srn->logicalDotsPerInchY();
if (m_unit.type() != m_rd->pageUnit().type()) {
m_unit = m_rd->pageUnit();
if (m_unit.type() == KReportUnit::Cicero ||
m_unit.type() == KReportUnit::Pica ||
m_unit.type() == KReportUnit::Millimeter) {
m_majorX = POINT_TO_INCH(m_unit.fromUserValue(10)) * m_dpiX;
m_majorY = POINT_TO_INCH(m_unit.fromUserValue(10)) * m_dpiY;
} else if (m_unit.type() == KReportUnit::Point) {
m_majorX = POINT_TO_INCH(m_unit.fromUserValue(100)) * m_dpiX;
m_majorY = POINT_TO_INCH(m_unit.fromUserValue(100)) * m_dpiY;
} else {
m_majorX = POINT_TO_INCH(m_unit.fromUserValue(1)) * m_dpiX;
m_majorY = POINT_TO_INCH(m_unit.fromUserValue(1)) * m_dpiY;
}
}
}示例2: toScene
QPointF KReportPosition::toScene() const
{
QScreen *srn = QApplication::screens().at(0);
const qreal x = POINT_TO_INCH(m_pointPos.x()) * srn->logicalDotsPerInchX();
const qreal y = POINT_TO_INCH(m_pointPos.y()) * srn->logicalDotsPerInchY();
return QPointF(x, y);
}示例3: metric
int QWidget::metric(PaintDeviceMetric m) const
{
Q_D(const QWidget);
QScreen *screen = 0;
if (QWidget *topLevel = window())
if (QWindow *topLevelWindow = topLevel->windowHandle()) {
QPlatformScreen *platformScreen = QPlatformScreen::platformScreenForWindow(topLevelWindow);
if (platformScreen)
screen = platformScreen->screen();
}
if (!screen && QGuiApplication::primaryScreen())
screen = QGuiApplication::primaryScreen();
if (!screen) {
if (m == PdmDpiX || m == PdmDpiY)
return 72;
return QPaintDevice::metric(m);
}
int val;
if (m == PdmWidth) {
val = data->crect.width();
} else if (m == PdmWidthMM) {
val = data->crect.width() * screen->physicalSize().width() / screen->geometry().width();
} else if (m == PdmHeight) {
val = data->crect.height();
} else if (m == PdmHeightMM) {
val = data->crect.height() * screen->physicalSize().height() / screen->geometry().height();
} else if (m == PdmDepth) {
return screen->depth();
} else if (m == PdmDpiX) {
if (d->extra && d->extra->customDpiX)
return d->extra->customDpiX;
else if (d->parent)
return static_cast<QWidget *>(d->parent)->metric(m);
return qRound(screen->logicalDotsPerInchX());
} else if (m == PdmDpiY) {
if (d->extra && d->extra->customDpiY)
return d->extra->customDpiY;
else if (d->parent)
return static_cast<QWidget *>(d->parent)->metric(m);
return qRound(screen->logicalDotsPerInchY());
} else if (m == PdmPhysicalDpiX) {
return qRound(screen->physicalDotsPerInchX());
} else if (m == PdmPhysicalDpiY) {
return qRound(screen->physicalDotsPerInchY());
} else if (m == PdmDevicePixelRatio) {
return screen->devicePixelRatio();
} else {
val = QPaintDevice::metric(m);// XXX
}
return val;
}示例4: setScenePos
void KReportPosition::setScenePos(const QPointF& pos, UpdatePropertyFlag update)
{
QScreen *srn = QApplication::screens().at(0);
const qreal x = INCH_TO_POINT(pos.x() / srn->logicalDotsPerInchX());
const qreal y = INCH_TO_POINT(pos.y() / srn->logicalDotsPerInchY());
m_pointPos.setX(x);
m_pointPos.setY(y);
if (update == UpdateProperty)
m_property->setValue(toUnit());
}示例5: metric
/*!
\internal
*/
int QPaintDeviceWindow::metric(PaintDeviceMetric metric) const
{
QScreen *screen = this->screen();
if (!screen && QGuiApplication::primaryScreen())
screen = QGuiApplication::primaryScreen();
switch (metric) {
case PdmWidth:
return width();
case PdmWidthMM:
if (screen)
return width() * screen->physicalSize().width() / screen->geometry().width();
break;
case PdmHeight:
return height();
case PdmHeightMM:
if (screen)
return height() * screen->physicalSize().height() / screen->geometry().height();
break;
case PdmDpiX:
if (screen)
return qRound(screen->logicalDotsPerInchX());
break;
case PdmDpiY:
if (screen)
return qRound(screen->logicalDotsPerInchY());
break;
case PdmPhysicalDpiX:
if (screen)
return qRound(screen->physicalDotsPerInchX());
break;
case PdmPhysicalDpiY:
if (screen)
return qRound(screen->physicalDotsPerInchY());
break;
case PdmDevicePixelRatio:
if (screen)
return screen->devicePixelRatio();
break;
default:
break;
}
return QPaintDevice::metric(metric);
}示例6: setFlag
Node::Node()
{
setFlag(ItemIsMovable);
setFlag(ItemIsSelectable);
setFlag(ItemSendsGeometryChanges);
setFlag(QGraphicsItem::ItemClipsChildrenToShape);
setZValue(2);
nodeID = -1;
choose = 0; // What type of pen style to use when drawing outline.
lSize = 12; // Default font size, in points. CURRENTLY UNUSED.
nodeDiameter = 1;
edgeWeight = 1; // UNUSED IN V 1.1.
rotation = 0;
text = new Label(this);
setHandlesChildEvents(true);
select = false;
QScreen * screen = QGuiApplication::primaryScreen();
logicalDotsPerInchX = screen->logicalDotsPerInchX();
logicalDotsPerInchY = screen->logicalDotsPerInchY();
}