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#pragma once
#include <QColor>
#include <QFont>
#include <QFontMetrics>
#include <QPainter>
#include <QPixmap>
#include <QString>
#include <QRectF>
// WaveformMarkLabel renders the label for a WaveformMark to an offscreen buffer
// and calculates its area. This allows the areas of all WaveformMarkLabels
// to be compared so overlapping labels are not drawn.
class WaveformMarkLabel {
public:
WaveformMarkLabel() {};
// Render the label to an internal QPixmap buffer
void prerender(QPointF bottomLeft,
const QPixmap& icon,
QString text,
const QFont& font,
QColor textColor,
QColor backgroundColor,
float widgetWidth,
double scaleFactor);
// Draw the prerendered pixmap
void draw(QPainter* pPainter);
QRectF area() const {
return m_areaRect;
};
void setAreaRect(const QRectF& areaRect) {
m_areaRect = areaRect;
}
bool intersects(const QRectF& other) const {
return m_areaRect.intersects(other);
}
bool intersects(const WaveformMarkLabel& other) const {
return intersects(other.area());
}
void clear() {
m_text = QString();
m_pixmap = QPixmap();
m_areaRect = QRectF();
}
private:
QPixmap m_icon;
QString m_text;
QFont m_font;
QColor m_textColor;
QColor m_backgroundColor;
QPixmap m_pixmap;
QRectF m_areaRect;
};
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