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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "tetrixboard.h"
#include <QtGui>
Q_DECLARE_METATYPE(QPainter*)
TetrixBoard::TetrixBoard(QWidget *parent)
: QFrame(parent)
{
timer = new QTimer(this);
qMetaTypeId<QPainter*>();
}
void TetrixBoard::setNextPieceLabel(QWidget *label)
{
nextPieceLabel = qobject_cast<QLabel*>(label);
}
QObject *TetrixBoard::getTimer()
{
return timer;
}
QSize TetrixBoard::minimumSizeHint() const
{
return QSize(BoardWidth * 5 + frameWidth() * 2,
BoardHeight * 5 + frameWidth() * 2);
}
void TetrixBoard::paintEvent(QPaintEvent *event)
{
QFrame::paintEvent(event);
QPainter painter(this);
painter.drawImage(0, 0, image);
}
void TetrixBoard::keyPressEvent(QKeyEvent *event)
{
emit keyPressed(event->key());
}
void TetrixBoard::showNextPiece(int width, int height)
{
if (!nextPieceLabel)
return;
QPixmap pixmap(width * squareWidth(), height * squareHeight());
QPainter painter(&pixmap);
painter.fillRect(pixmap.rect(), nextPieceLabel->palette().background());
emit paintNextPieceRequested(&painter);
nextPieceLabel->setPixmap(pixmap);
}
void TetrixBoard::drawPauseScreen(QPainter *painter)
{
painter->drawText(contentsRect(), Qt::AlignCenter, tr("Pause"));
}
void TetrixBoard::drawSquare(QPainter *painter, int x, int y, int shape)
{
static const QRgb colorTable[8] = {
0x000000, 0xCC6666, 0x66CC66, 0x6666CC,
0xCCCC66, 0xCC66CC, 0x66CCCC, 0xDAAA00
};
x = x*squareWidth();
y = y*squareHeight();
QColor color = colorTable[shape];
painter->fillRect(x + 1, y + 1, squareWidth() - 2, squareHeight() - 2,
color);
painter->setPen(color.light());
painter->drawLine(x, y + squareHeight() - 1, x, y);
painter->drawLine(x, y, x + squareWidth() - 1, y);
painter->setPen(color.dark());
painter->drawLine(x + 1, y + squareHeight() - 1,
x + squareWidth() - 1, y + squareHeight() - 1);
painter->drawLine(x + squareWidth() - 1, y + squareHeight() - 1,
x + squareWidth() - 1, y + 1);
}
void TetrixBoard::update()
{
QRect rect = contentsRect();
if (image.size() != rect.size())
image = QImage(rect.size(), QImage::Format_ARGB32_Premultiplied);
image.fill(qRgba(0,0,0,0));
QPainter painter;
painter.begin(&image);
int boardTop = rect.bottom() - BoardHeight*squareHeight();
painter.translate(rect.left(), boardTop);
emit paintRequested(&painter);
QFrame::update();
}
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