Revision control
Copy as Markdown
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtGui>
#include "window.h"
Window::Window(QWidget *parent)
: QWidget(parent)
{
QFont font;
font.setPixelSize(12);
setFont(font);
}
void Window::closeEvent(QCloseEvent *event)
{
QPixmap pixmap(size());
render(&pixmap);
pixmap.save("qt-colors.png");
event->accept();
}
void Window::paintEvent(QPaintEvent *)
{
QPainter painter;
painter.begin(this);
int h = 216 / 5;
QRect r = QRect(0, 0, 160, h);
painter.fillRect(r, Qt::white);
painter.setPen(Qt::black);
painter.drawText(r, Qt::AlignCenter, QLatin1String("white"));
r = QRect(0, h, 160, h);
painter.fillRect(r, Qt::red);
painter.drawText(r, Qt::AlignCenter, QLatin1String("red"));
r = QRect(0, h*2, 160, h);
painter.fillRect(r, Qt::green);
painter.drawText(r, Qt::AlignCenter, QLatin1String("green"));
r = QRect(0, h*3, 160, h);
painter.fillRect(r, Qt::blue);
painter.setPen(Qt::white);
painter.drawText(r, Qt::AlignCenter, QLatin1String("blue"));
r = QRect(160, 0, 160, h);
painter.fillRect(r, Qt::black);
painter.drawText(r, Qt::AlignCenter, QLatin1String("black"));
r = QRect(160, h, 160, h);
painter.fillRect(r, Qt::darkRed);
painter.drawText(r, Qt::AlignCenter, QLatin1String("darkRed"));
r = QRect(160, h*2, 160, h);
painter.fillRect(r, Qt::darkGreen);
painter.drawText(r, Qt::AlignCenter, QLatin1String("darkGreen"));
r = QRect(160, h*3, 160, h);
painter.fillRect(r, Qt::darkBlue);
painter.drawText(r, Qt::AlignCenter, QLatin1String("darkBlue"));
r = QRect(320, 0, 160, h);
painter.fillRect(r, Qt::cyan);
painter.setPen(Qt::black);
painter.drawText(r, Qt::AlignCenter, QLatin1String("cyan"));
r = QRect(320, h, 160, h);
painter.fillRect(r, Qt::magenta);
painter.drawText(r, Qt::AlignCenter, QLatin1String("magenta"));
r = QRect(320, h*2, 160, h);
painter.fillRect(r, Qt::yellow);
painter.drawText(r, Qt::AlignCenter, QLatin1String("yellow"));
r = QRect(320, h*3, 160, h);
painter.fillRect(r, Qt::gray);
painter.setPen(Qt::white);
painter.drawText(r, Qt::AlignCenter, QLatin1String("gray"));
r = QRect(480, 0, 160, h);
painter.fillRect(r, Qt::darkCyan);
painter.drawText(r, Qt::AlignCenter, QLatin1String("darkCyan"));
r = QRect(480, h, 160, h);
painter.fillRect(r, Qt::darkMagenta);
painter.drawText(r, Qt::AlignCenter, QLatin1String("darkMagenta"));
r = QRect(480, h*2, 160, h);
painter.fillRect(r, Qt::darkYellow);
painter.drawText(r, Qt::AlignCenter, QLatin1String("darkYellow"));
r = QRect(480, h*3, 160, h);
painter.fillRect(r, Qt::darkGray);
painter.drawText(r, Qt::AlignCenter, QLatin1String("darkGray"));
r = QRect(0, h*4, 640, h);
painter.fillRect(r, Qt::lightGray);
painter.setPen(Qt::black);
painter.drawText(r, Qt::AlignCenter, QLatin1String("lightGray"));
painter.end();
}