本文整理汇总了C++中Printer::open方法的典型用法代码示例。如果您正苦于以下问题：C++ Printer::open方法的具体用法？C++ Printer::open怎么用？C++ Printer::open使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Printer的用法示例。
在下文中一共展示了Printer::open方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
if (argc != 2) {
std::cout << "Usage: cmdimg image" << std::endl;
return 0;
}
Printer *p = new Printer();
std::cout << "Trying to open port" << std::endl;
bool res = p->open("/dev/ttyAMA0");
std::cout << "Status: " << res << std::endl;
if (!res) {
std::cerr << "Error opening port, aborting" << std::endl;
return (0);
}
p->init();
p->printImage(QImage(argv[1]));
std::cout << "Closing Device" << std::endl;
p->close();
return 1;
return a.exec();
}示例2: main
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
Printer *p = new Printer();
std::cout << "Trying to open port" << std::endl;
bool res = p->open("/dev/ttyAMA0");
std::cout << "Status: " << res << std::endl;
if (!res) {
std::cerr << "Error opening port, aborting" << std::endl;
return (0);
}
p->init();
p->write("Printer Test\n");
p->setReverse(true);
p->write("Reverse ON\n");
p->setReverse(false);
p->setBold(true);
p->write("Bold ON\n");
p->setBold(false);
p->setUpDown(true);
p->write("UpDown ON\n");
p->setUpDown(false);
p->setUnderline(true);
p->write("Underline ON\n");
p->setUnderline(false);
p->setDoubleWidth(true);
p->write("Double Width ON\n");
p->setDoubleWidth(false);
p->setAlign(Printer::MIDDLE);
p->write("middle align\n");
p->setAlign(Printer::RIGHT);
p->write("right align\n");
p->setAlign(Printer::LEFT);
p->printBarcode("12345678", Printer::EAN8);
std::cout << "Closing Device" << std::endl;
p->close();
return 1;
return a.exec();
}