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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** 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.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "tetrixboard.h"
#include <QtWidgets>
Q_DECLARE_METATYPE(QPainter*)
TetrixBoard::TetrixBoard(QWidget *parent)
: QFrame(parent)
{
timer = new QTimer(this);
qMetaTypeId<QPainter*>();
}
void TetrixBoard::setNextPieceLabel(QWidget *label)
{
nextPieceLbl = qobject_cast<QLabel*>(label);
}
QLabel *TetrixBoard::nextPieceLabel() const
{
return nextPieceLbl;
}
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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