%MIX_BLACKNESS |
Pixel is always 0 (black). |

%MIX_NOTMERGESRC |
Pixel is the inverse of
the MergeSrc color. |

%MIX_MASKNOTSRC |
Pixel is a combination
of the colors common to both the pixel and the inverse of the source. |

%MIX_NOTCOPYSRC |
Pixel is the inverse of
the pen color. |

%MIX_MASKSRCNOT |
Pixel is a combination
of the colors common to both the source and the inverse of the pixel. |

%MIX_NOT |
Pixel is the inverse of
the pixel color. |

%MIX_XORSRC |
Pixel is a combination
of the colors in the source and in the pixel, but not in both. |

%MIX_NOTMASKSRC |
Pixel is the inverse of
the MaskSrc color. |

%MIX_MASKSRC |
Pixel is a combination
of the colors common to both the source and the pixel. |

%MIX_NOTXORSRC |
Pixel is the inverse of
the XorSrc color. |

%MIX_NOP |
Pixel remains unchanged. |

%MIX_MERGENOTSRC |
Pixel is a combination
of the source color and the inverse of the pixel color. |

%MIX_COPYSRC |
Pixel is the source color
(default). |

%MIX_MERGESRCNOT |
Pixel is a combination
of the source color and the inverse of the pixel color. |

%MIX_MERGESRC |
Pixel is a combination
of the source color and the pixel color. |

%MIX_WHITENESS |
Pixel is always 1 (white). |