tetrixboard.cpp Example File
script/tetrix/tetrixboard.cpp
#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);
QRect rect = contentsRect();
int boardTop = rect.bottom() - BoardHeight*squareHeight();
painter.translate(rect.left(), boardTop);
emit paintRequested(&painter);
}
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);
}
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Trademarks |
Qt 4.4.3 |