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#ifndef QCP_ITEM_RICH_TEXT |
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#define QCP_ITEM_RICH_TEXT |
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#include <qcustomplot.h> |
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#include <QTextDocument> |
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class QCP_LIB_DECL QCPItemRichText : public QCPItemText { |
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Q_OBJECT |
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Q_PROPERTY(QString text READ text WRITE setText) |
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public: |
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QCPItemRichText(QCustomPlot *parentPlot) : QCPItemText(parentPlot) {} |
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virtual ~QCPItemRichText() {} |
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void setText(const QString &text) { |
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QCPItemText::setText(text); |
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doc.setHtml(text); |
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} |
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protected: |
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// reimplemented virtual methods: |
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virtual void draw(QCPPainter *painter) { |
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QPointF pos(position->pixelPoint()); |
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QTransform transform = painter->transform(); |
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transform.translate(pos.x(), pos.y()); |
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if (!qFuzzyIsNull(mRotation)) transform.rotate(mRotation); |
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painter->setFont(mainFont()); |
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QRect textRect = painter->fontMetrics().boundingRect( |
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0, 0, 0, 0, Qt::TextDontClip | mTextAlignment, mText); |
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QRect textBoxRect = textRect.adjusted(-mPadding.left(), -mPadding.top(), |
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mPadding.right(), mPadding.bottom()); |
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QPointF textPos = getTextDrawPoint( |
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QPointF(0, 0), textBoxRect, |
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mPositionAlignment); // 0, 0 because the transform does the translation |
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textRect.moveTopLeft(textPos.toPoint() + |
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QPoint(mPadding.left(), mPadding.top())); |
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textBoxRect.moveTopLeft(textPos.toPoint()); |
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qreal clipPadF = mainPen().widthF(); |
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int clipPad = (int)clipPadF; |
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QRect boundingRect = |
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textBoxRect.adjusted(-clipPad, -clipPad, clipPad, clipPad); |
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if (transform.mapRect(boundingRect) |
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.intersects(painter->transform().mapRect(clipRect()))) { |
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painter->setTransform(transform); |
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if ((mainBrush().style() != Qt::NoBrush && |
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mainBrush().color().alpha() != 0) || |
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(mainPen().style() != Qt::NoPen && mainPen().color().alpha() != 0)) { |
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painter->setPen(mainPen()); |
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painter->setBrush(mainBrush()); |
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painter->drawRect(textBoxRect); |
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} |
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painter->setBrush(Qt::NoBrush); |
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painter->setPen(QPen(mainColor())); |
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doc.setDefaultFont(mainFont()); |
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doc.drawContents(painter); |
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} |
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} |
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QTextDocument doc; |
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}; |
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#endif // QCP_ITEM_RICH_TEXT |