PSQt/src/shapes.cpp

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//---------------------------------------------------------------------
// File and Version Information:
//   $Id: shapes.cpp 9841 2015-03-26 18:35:44Z dubrovin@SLAC.STANFORD.EDU $
//
// Author: Mikhail S. Dubrovin
//---------------------------------------------------------------------

#include "PSQt/shapes.h"
#include <QApplication>
#include <QPainter>
#include <QPainterPath>

namespace PSQt {

Shapes::Shapes(QWidget *parent)
    : QWidget(parent)
{
}

void Shapes::paintEvent(QPaintEvent *event)
{
  QPainter painter(this);

  painter.setRenderHint(QPainter::Antialiasing);
  painter.setPen(QPen(QBrush("#575555"), 1));

  QPainterPath path1;

  path1.moveTo(5, 5);
  path1.cubicTo(40, 5,  50, 50,  99, 99);
  path1.cubicTo(5, 99,  50, 50,  5, 5);
  painter.drawPath(path1);  

  painter.drawPie(130, 20, 90, 60, 30*16, 120*16);
  painter.drawChord(240, 30, 90, 60, 0, 16*180);
  painter.drawRoundRect(20, 120, 80, 50);

  QPolygon polygon;
  polygon << QPoint(130, 140) << QPoint(180, 170)
          << QPoint(180, 140) << QPoint(220, 110)
          << QPoint(140, 100);
  painter.drawPolygon(polygon);

  painter.drawRect(250, 110, 60, 60);

  QPointF baseline(20, 250);
  QFont font("Georgia", 55);
  QPainterPath path2;
  path2.addText(baseline, font, "Q");
  painter.drawPath(path2);

  painter.drawEllipse(140, 200, 60, 60);
  painter.drawEllipse(240, 200, 90, 60);
}

} // namespace PSQt

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