/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the documentation of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
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** modification, are permitted provided that the following conditions are
** met:
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**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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****************************************************************************/

#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();
}