QT去哪里寻找字体？ [英] where does QT go to look for fonts?

问题描述

我正在使用QT-4 embedded-linux。

在我的QT应用程序中有以下代码：

  QFont newFont（wenquanyi，8，QFont :: Bold，true）; 
 
 QApplication :: setFont（newFont）; 
  

但字符不能正确显示。在我的目标linux设备中，在 QT-directory / lib / fonts 下有一个 wenquanyi_150_50.qpf 文件。

如果我改变了这样的代码：

  QFont newFont unifont，8，QFont :: Bold，true）; 
  

我可以看到正确显示的字符。

所以我在想这个问题是关于QT寻找特定字体的路径。

使用Qt for Embedded Linux时遇到类似这样的问题。看看这些：

• http://qt-project.org/doc/qt-4.8/qt-embedded-deployment.html


• http://qt-project.org/doc/ qt-4.8 / qt-embedded-fonts.html

并尝试使用

I'm using QT-4 embedded-linux.

I have the following code in my QT application:

QFont newFont("wenquanyi", 8, QFont::Bold, true);

QApplication::setFont(newFont);

But the character cannot be displayed correctly. I do have a wenquanyi_150_50.qpf file under QT-directory/lib/fonts in my target linux device.

If I changed the code like this:

 QFont newFont("unifont", 8, QFont::Bold, true);

I can see the character being displayed correctly.

So i'm thinking that the problem is the about the path in which QT looks for a specific fonts.

解决方案

I experienced issues like this when using Qt for Embedded Linux. Have a look at these:

• http://qt-project.org/doc/qt-4.8/qt-embedded-deployment.html
• http://qt-project.org/doc/qt-4.8/qt-embedded-fonts.html

and also try to use QFontDatabase. I found it very useful to get a list of all the fonts actually detected by QWS and of their features.

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