The QStandardPaths class provides methods for accessing standard paths.| doc.qt.io
The QOpenGLShader class allows OpenGL shaders to be compiled.| doc.qt.io
The QOpenGLShaderProgram class allows OpenGL shader programs to be linked and used.| doc.qt.io
The QOpenGLContext class represents a native OpenGL context, enabling OpenGL rendering on a QSurface.| doc.qt.io
The QColor class provides colors based on RGB, HSV or CMYK values.| doc.qt.io