DWaterMaskHelper类 参考

Direct instantiation of this object is not allowed parent 更多...

详细描述

Direct instantiation of this object is not allowed parent

不允许直接实例化此对象

\inmodule dtkwidget

参见

DWaterMaskHelper::instance

@inmodule dtkwidget

参数

[in]

parent

参见

DWaterMaskHelper::instance

实例代码

main.cpp

#include <DApplication>
#include <DWaterMarkHelper>
#include <QMainWindow>
 
using namespace Dtk::Widget;
 
 
int main(int argc,char* argv[])
{
    QApplication a(argc,argv);
 
    QMainWindow w;
    w.show();
    
    auto ins = DWaterMarkHelper::instance();
 
    WaterMarkData data = ins->data();
    data.setText("dtk example");
    data.setType(WaterMarkData::WaterMarkType::Text);
    data.setLayout(WaterMarkData::WaterMarkLayout::Tiled) ;
    data.setRotation(30);
    data.setScaleFactor(0.5);
    data.setColor(Qt::red);
    QFont font;
    font.setPointSize(30);
    data.setFont(font);
    data.setSpacing(65);
    data.setLineSpacing(-1);
    data.setOpacity(0.3);
    data.setGrayScale(true);
 
    ins->setData(data);
 
    ins->registerWidget(&w);
    return a.exec();
}

实例图片

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该类的文档由以下文件生成:

• src/widgets/dwatermarkhelper.cpp