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#include <QtGui>

#include "renderarea.h"

RenderArea::RenderArea(QBrush *brush, QWidget *parent)

        : QWidget(parent)

{

    currentBrush = brush;

}

QSize RenderArea::minimumSizeHint() const

{

    return QSize(120, 60);

}

void RenderArea::paintEvent(QPaintEvent *)

{

    QPainter painter(this);

    painter.setPen(Qt::NoPen);

    painter.setRenderHint(QPainter::Antialiasing);

    if(currentBrush->style() == Qt::LinearGradientPattern) {

        currentBrush = new QBrush(QLinearGradient(0, 0, width(), 60));

    } else if(currentBrush->style() == Qt::RadialGradientPattern) {

        QRadialGradient radial(width() / 2, 30, width() / 2, width() / 2, 30);

        radial.setColorAt(0, Qt::white);

        radial.setColorAt(1, Qt::black);

        currentBrush = new QBrush(radial);

    } else if(currentBrush->style() == Qt::ConicalGradientPattern) {

        currentBrush = new QBrush(QConicalGradient(width() / 2, 30, 90));

    }

    painter.setBrush(*currentBrush);

    QPainterPath path;

    path.addRect(0, 0, parentWidget()->width(), 60);

    painter.drawPath(path);

}