本文整理汇总了C++中QAbstractTextDocumentLayout::documentSize方法的典型用法代码示例。如果您正苦于以下问题：C++ QAbstractTextDocumentLayout::documentSize方法的具体用法？C++ QAbstractTextDocumentLayout::documentSize怎么用？C++ QAbstractTextDocumentLayout::documentSize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QAbstractTextDocumentLayout的用法示例。
在下文中一共展示了QAbstractTextDocumentLayout::documentSize方法的5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: drawSimpleRichText
/*!
Draw a text document into a rectangle
\param painter Painter
\param rect Traget rectangle
\param flags Alignments/Text flags, see QPainter::drawText()
\param text Text document
*/
void QwtPainter::drawSimpleRichText( QPainter *painter, const QRectF &rect,
int flags, const QTextDocument &text )
{
QTextDocument *txt = text.clone();
painter->save();
painter->setFont( txt->defaultFont() );
qwtUnscaleFont( painter );
txt->setDefaultFont( painter->font() );
txt->setPageSize( QSizeF( rect.width(), QWIDGETSIZE_MAX ) );
QAbstractTextDocumentLayout* layout = txt->documentLayout();
const double height = layout->documentSize().height();
double y = rect.y();
if ( flags & Qt::AlignBottom )
y += ( rect.height() - height );
else if ( flags & Qt::AlignVCenter )
y += ( rect.height() - height ) / 2;
QAbstractTextDocumentLayout::PaintContext context;
context.palette.setColor( QPalette::Text, painter->pen().color() );
painter->translate( rect.x(), y );
layout->draw( painter, context );
painter->restore();
delete txt;
}示例2: drawSimpleRichText
void QwtPainter::drawSimpleRichText(QPainter *painter, const QRect &rect,
int flags, QTextDocument &text)
{
const QRect scaledRect = d_metricsMap.layoutToDevice(rect, painter);
text.setPageSize(QSize(scaledRect.width(), QWIDGETSIZE_MAX));
QAbstractTextDocumentLayout* layout = text.documentLayout();
const int height = qRound(layout->documentSize().height());
int y = scaledRect.y();
if (flags & Qt::AlignBottom)
y += (scaledRect.height() - height);
else if (flags & Qt::AlignVCenter)
y += (scaledRect.height() - height)/2;
QAbstractTextDocumentLayout::PaintContext context;
context.palette.setColor(QPalette::Text, painter->pen().color());
painter->save();
painter->translate(scaledRect.x(), y);
layout->draw(painter, context);
painter->restore();
}示例3: QTextEdit
QT_BEGIN_NAMESPACE
ExpandingTextEdit::ExpandingTextEdit(QWidget *parent)
: QTextEdit(parent)
{
setSizePolicy(QSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Expanding));
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
QAbstractTextDocumentLayout *docLayout = document()->documentLayout();
connect(docLayout, SIGNAL(documentSizeChanged(QSizeF)), SLOT(updateHeight(QSizeF)));
connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(reallyEnsureCursorVisible()));
m_minimumHeight = qRound(docLayout->documentSize().height()) + frameWidth() * 2;
}示例4: drawSimpleRichText
/*!
Draw a text document into a rectangle
\param painter Painter
\param rect Traget rectangle
\param flags Alignments/Text flags, see QPainter::drawText()
\param text Text document
*/
void QwtPainter::drawSimpleRichText( QPainter *painter, const QRectF &rect,
int flags, const QTextDocument &text )
{
QTextDocument *txt = text.clone();
painter->save();
QRectF unscaledRect = rect;
if ( painter->font().pixelSize() < 0 )
{
const QSize res = qwtScreenResolution();
const QPaintDevice *pd = painter->device();
if ( pd->logicalDpiX() != res.width() ||
pd->logicalDpiY() != res.height() )
{
QTransform transform;
transform.scale( res.width() / double( pd->logicalDpiX() ),
res.height() / double( pd->logicalDpiY() ));
painter->setWorldTransform( transform, true );
unscaledRect = transform.inverted().mapRect(rect);
}
}
txt->setDefaultFont( painter->font() );
txt->setPageSize( QSizeF( unscaledRect.width(), QWIDGETSIZE_MAX ) );
QAbstractTextDocumentLayout* layout = txt->documentLayout();
const double height = layout->documentSize().height();
double y = unscaledRect.y();
if ( flags & Qt::AlignBottom )
y += ( unscaledRect.height() - height );
else if ( flags & Qt::AlignVCenter )
y += ( unscaledRect.height() - height ) / 2;
QAbstractTextDocumentLayout::PaintContext context;
context.palette.setColor( QPalette::Text, painter->pen().color() );
painter->translate( unscaledRect.x(), y );
layout->draw( painter, context );
painter->restore();
delete txt;
}示例5: if
void
PlaylistLargeItemDelegate::drawRichText( QPainter* painter, const QRect& rect, int flags, QTextDocument& text ) const
{
text.setPageSize( QSize( rect.width(), QWIDGETSIZE_MAX ) );
QAbstractTextDocumentLayout* layout = text.documentLayout();
const int height = qRound( layout->documentSize().height() );
int y = rect.y();
if ( flags & Qt::AlignBottom )
y += ( rect.height() - height );
else if ( flags & Qt::AlignVCenter )
y += ( rect.height() - height ) / 2;
QAbstractTextDocumentLayout::PaintContext context;
context.palette.setColor( QPalette::Text, painter->pen().color() );
painter->save();
painter->translate( rect.x(), y );
layout->draw( painter, context );
painter->restore();
}