qgamenext.cpp

来自「这是一款象棋游戏」· C++ 代码 · 共 53 行

/************************************************************************
 *
 *    linux版仿联众俄罗斯方块
 *
 *    该软件在GPL(GNU通用公共许可证)下发布
 *
 *    Copyright (C)   <[e-mail]>
 *
 *   This source code is licensed under the GNU General Public License
 *
 ************************************************************************/

#include <qapplication.h>
#include <qpainter.h>
#include <qpixmap.h>
#include <qmutex.h>

#include "qgamenext.h"
#include "qgamewidget.h"

extern QMutex PainterMutex;

QGameNext::QGameNext(QWidget *parent )
	:QWidget(parent)
{
	pPix = NULL;
}

void QGameNext::paintEvent( QPaintEvent * )
{
	drawImage();
}

void QGameNext::drawNextBlock(QPixmap *pix )
{
	if(!pPix) pPix = new QPixmap(*pix);
	else  *pPix = *pix;
	drawImage();
}

void QGameNext::drawImage(void)
{
	QPainter p( this );
	painter_lock();
	if(!pPix){
		pPix = new QPixmap(size());
		pPix->fill(Qt::black);
	}
	if(pPix) p.drawPixmap(0,0,*pPix);
	painter_unlock();
}