qt 加载字体 c++

目录

qt 加载字体 c++

label设置大小和字体：

资源配置路径失败

解决方法：exe相对目录：

pro配置：

resource.qrc

---

qt 加载字体 c++

#include 
#include 
#include 
#include 
#include 
 
int main(int argc, char *argv[]) {
    QApplication app(argc, argv);
 
    // 加载字体文件
    int fontId = QFontDatabase::addApplicationFont(":/path/to/hyyj.ttf");
    if (fontId == -1) {
        qWarning() << "Failed to load font!";
        return -1;
    }
 
    // 获取字体系列名称
    QStringList fontFamilies = QFontDatabase::applicationFontFamilies(fontId);
    if (fontFamilies.isEmpty()) {
        qWarning() << "Failed to retrieve font families!";
        return -1;
    }
 
    QString fontFamily = fontFamilies.at(0);
 
    // 创建并设置 QLabel
    QLabel label("Hello, Qt with custom font!");
    QFont customFont(fontFamily);
    label.setFont(customFont);
 
    // 设置布局
    QVBoxLayout *layout = new QVBoxLayout;
    layout->addWidget(&label);
 
    QWidget window;
    window.setLayout(layout);
    window.show();
 
    return app.exec();
}

label设置大小和字体：

   auto labelDetails = new QLabel(QString("1235"));
 
        int fontId = QFontDatabase::addApplicationFont("B:/project/mengzong/jianluji/0525/demo/hyyj.ttf");
        if (fontId == -1) {
            qWarning() << "Failed to load font!";
            return ;
        }
 
        // 获取字体系列名称
        QStringList fontFamilies = QFontDatabase::applicationFontFamilies(fontId);
        if (fontFamilies.isEmpty()) {
            qWarning() << "Failed to retrieve font families!";
            return ;
        }
 
        QString fontFamily = fontFamilies.at(0);
 
        QFont customFont(fontFamily);
 
         customFont.setPointSize(48);  // 设置字体大小
        labelDetails->setFont(customFont);
 
        labelDetails->setAutoFillBackground(true);
            labelDetails->setStyleSheet("QLabel { color : rgb(39, 255, 167); }");
        labelDetails->setFixedSize(300, 60);
        vbox->addWidget(labelDetails);

资源配置路径失败

 int fontId = QFontDatabase::addApplicationFont(":/res/raw/hyyj.ttf");

解决方法：exe相对目录：

 int fontId = QFontDatabase::addApplicationFont("./hyyj.ttf");

pro配置：

QT += core gui
 
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
TARGET = FontExample
TEMPLATE = app
 
# 添加字体文件到资源
RESOURCES += resources.qrc

resource.qrc

"1.0">
    hyyj.ttf