doc/src/snippets/qlineargradient/paintwidget.cpp
author Eckhart Koeppen <eckhart.koppen@nokia.com>
Thu, 29 Apr 2010 15:15:16 +0300
branchRCL_3
changeset 16 4b6ee5efea19
parent 7 3f74d0d4af4c
permissions -rw-r--r--
2010-17 9996a03743ab23f83c83c5bc7ade0f82f71b1506

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#include <QtGui>
#include "paintwidget.h"

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

void PaintWidget::paintEvent(QPaintEvent *event)
{
    QLinearGradient gradient1(rect().topLeft(), rect().bottomRight());
    gradient1.setColorAt(0, QColor("#ffffcc"));
    gradient1.setColorAt(1, QColor("#ccccff"));

    QRectF ellipseRect(width()*0.25, height()*0.25, width()*0.5, height()*0.5);
    QLinearGradient gradient2(ellipseRect.topLeft(), ellipseRect.bottomRight());
    gradient2.setColorAt(0, QColor("#ccccff"));
    gradient2.setColorAt(1, QColor("#ffffcc"));

    QPainter painter;
    painter.begin(this);
    painter.setRenderHint(QPainter::Antialiasing);
    painter.fillRect(rect(), QBrush(gradient1));
    painter.setBrush(QBrush(gradient2));
    painter.drawEllipse(ellipseRect);
    painter.end();
}