%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). |