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C++ QAbstractTextDocumentLayout::draw方法代码示例

本文整理汇总了C++中QAbstractTextDocumentLayout::draw方法的典型用法代码示例。如果您正苦于以下问题：C++ QAbstractTextDocumentLayout::draw方法的具体用法？C++ QAbstractTextDocumentLayout::draw怎么用？C++ QAbstractTextDocumentLayout::draw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::draw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: 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;
}
开发者ID:，项目名称:，代码行数:39，代码来源:

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();
}
开发者ID:kuzavas，项目名称:qtiplot，代码行数:25，代码来源:qwt_painter.cpp

示例3: paintEvent

void PsiTipLabel::paintEvent(QPaintEvent *)
{
	QStylePainter p(this);
	QStyleOptionFrame opt;
	opt.init(this);
	p.drawPrimitive(QStyle::PE_PanelTipLabel, opt);
	p.end();

	// stolen from QLabel::paintEvent
	QPainter painter(this);
	drawFrame(&painter);
	QRect cr = contentsRect();
	cr.adjust(margin, margin, -margin, -margin);

	PsiRichText::ensureTextLayouted(doc, width() - 2*margin);
	QAbstractTextDocumentLayout *layout = doc->documentLayout();
	// QRect lr = rect();
	QRect lr = cr;

	QAbstractTextDocumentLayout::PaintContext context;

	// Adjust the palette
	context.palette = palette();
	if (foregroundRole() != QPalette::Text && isEnabled())
		context.palette.setColor(QPalette::Text, context.palette.color(foregroundRole()));

	painter.save();
	painter.translate(lr.x() + 1, lr.y() + 1);
	painter.setClipRect(lr.translated(-lr.x() - 1, -lr.y() - 1));
	layout->draw(&painter, context);
	painter.restore();
}
开发者ID:AlekSi，项目名称:psi，代码行数:32，代码来源:psitiplabel.cpp

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;
}
开发者ID:FabianFrancoRoldan，项目名称:OpenPilot，代码行数:55，代码来源:qwt_painter.cpp

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();
}
开发者ID:MechanisM，项目名称:tomahawk，代码行数:21，代码来源:PlaylistLargeItemDelegate.cpp

示例6: paintEvent

/*!\reimp
*/
void QLabel::paintEvent(QPaintEvent *)
{
    Q_D(QLabel);
    QStyle *style = QWidget::style();
    QPainter painter(this);
    drawFrame(&painter);
    QRect cr = contentsRect();
    cr.adjust(d->margin, d->margin, -d->margin, -d->margin);
    int align = QStyle::visualAlignment(layoutDirection(), QFlag(d->align));

#ifndef QT_NO_MOVIE
    if (d->movie) {
        if (d->scaledcontents)
            style->drawItemPixmap(&painter, cr, align, d->movie->currentPixmap().scaled(cr.size()));
        else
            style->drawItemPixmap(&painter, cr, align, d->movie->currentPixmap());
    }
    else
#endif
    if (d->isTextLabel) {
        QRectF lr = d->layoutRect();
        if (d->control) {
#ifndef QT_NO_SHORTCUT
            const bool underline = (bool)style->styleHint(QStyle::SH_UnderlineShortcut, 0, this, 0);
            if (d->shortcutId != 0
                && underline != d->shortcutCursor.charFormat().fontUnderline()) {
                QTextCharFormat fmt;
                fmt.setFontUnderline(underline);
                d->shortcutCursor.mergeCharFormat(fmt);
            }
#endif
            d->ensureTextLayouted();

            QAbstractTextDocumentLayout::PaintContext context;
            QStyleOption opt(0);
            opt.init(this);

            if (!isEnabled() && style->styleHint(QStyle::SH_EtchDisabledText, &opt, this)) {
                context.palette = palette();
                context.palette.setColor(QPalette::Text, context.palette.light().color());
                painter.save();
                painter.translate(lr.x() + 1, lr.y() + 1);
                painter.setClipRect(lr.translated(-lr.x() - 1, -lr.y() - 1));
                QAbstractTextDocumentLayout *layout = d->control->document()->documentLayout();
                layout->draw(&painter, context);
                painter.restore();
            }

            // Adjust the palette
            context.palette = palette();
            if (foregroundRole() != QPalette::Text && isEnabled())
                context.palette.setColor(QPalette::Text, context.palette.color(foregroundRole()));

            painter.save();
            painter.translate(lr.topLeft());
            painter.setClipRect(lr.translated(-lr.x(), -lr.y()));
            d->control->setPalette(context.palette);
            d->control->drawContents(&painter, QRectF(), this);
            painter.restore();
        } else {
            int flags = align;
            if (d->hasShortcut) {
                flags |= Qt::TextShowMnemonic;
                QStyleOption opt;
                opt.initFrom(this);
                if (!style->styleHint(QStyle::SH_UnderlineShortcut, &opt, this))
                    flags |= Qt::TextHideMnemonic;
            }
            style->drawItemText(&painter, lr.toRect(), flags, palette(), isEnabled(), d->text, foregroundRole());
        }
    } else
#ifndef QT_NO_PICTURE
    if (d->picture) {
        QRect br = d->picture->boundingRect();
        int rw = br.width();
        int rh = br.height();
        if (d->scaledcontents) {
            painter.save();
            painter.translate(cr.x(), cr.y());
            painter.scale((double)cr.width()/rw, (double)cr.height()/rh);
            painter.drawPicture(-br.x(), -br.y(), *d->picture);
            painter.restore();
        } else {
            int xo = 0;
            int yo = 0;
            if (align & Qt::AlignVCenter)
                yo = (cr.height()-rh)/2;
            else if (align & Qt::AlignBottom)
                yo = cr.height()-rh;
            if (align & Qt::AlignRight)
                xo = cr.width()-rw;
            else if (align & Qt::AlignHCenter)
                xo = (cr.width()-rw)/2;
            painter.drawPicture(cr.x()+xo-br.x(), cr.y()+yo-br.y(), *d->picture);
        }
    } else
#endif
    if (d->pixmap && !d->pixmap->isNull()) {
//.........这里部分代码省略.........
开发者ID:muromec，项目名称:qtopia-ezx，代码行数:101，代码来源:qlabel.cpp


注：本文中的QAbstractTextDocumentLayout::draw方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。