dbscreen.cpp Example File
qws/dbscreen/dbscreen.cpp
#include "dbscreen.h"
#include <QApplication>
bool DBScreen::initDevice()
{
if (!QLinuxFbScreen::initDevice())
return false;
QScreenCursor::initSoftwareCursor();
image = new QImage(deviceWidth(), deviceHeight(), pixelFormat());
painter = new QPainter(image);
return true;
}
void DBScreen::shutdownDevice()
{
QLinuxFbScreen::shutdownDevice();
delete painter;
delete image;
}
void DBScreen::solidFill(const QColor &color, const QRegion ®ion)
{
QVector<QRect> rects = region.rects();
for (int i = 0; i < rects.size(); i++)
painter->fillRect(rects.at(i), color);
}
void DBScreen::blit(const QImage &image, const QPoint &topLeft, const QRegion ®ion)
{
QVector<QRect> rects = region.rects();
for (int i = 0; i < rects.size(); i++) {
QRect destRect = rects.at(i);
QRect srcRect(destRect.x()-topLeft.x(), destRect.y()-topLeft.y(), destRect.width(), destRect.height());
painter->drawImage(destRect.topLeft(), image, srcRect);
}
}
void DBScreen::exposeRegion(QRegion region, int changing)
{
QLinuxFbScreen::exposeRegion(region, changing);
QLinuxFbScreen::blit(*image, QPoint(0, 0), region);
}
Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) |
Trademarks |
Qt 4.4.3 |