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//! RGB and RGBA color primitives used across decoders and encoders.
/// An RGB color without alpha.
/// An RGBA color with 8-bit channels.
/*
const COLOR2: [RGB;2] = [
RGB{red:0x00,green:0x00,blue:0x00}, // 0 black
RGB{red:0xff,green:0xff,blue:0xff}, // 1 white
];
const VGACOLOR256: [RGB;256] = [
// System color 0-15
RGB{red:0x00, green: 0x00, blue: 0x00}, // 0 black
RGB{red:0x00, green: 0x00, blue: 0xaa}, // 1 dark blue
RGB{red:0x00, green: 0xaa, blue: 0x00}, // 2 dark green
RGB{red:0x00, green: 0xaa, blue: 0xaa}, // 3 dark cyan
RGB{red:0xaa, green: 0x00, blue: 0x00}, // 4 dark red
RGB{red:0xaa, green: 0x00, blue: 0xaa}, // 5 dark magenta
RGB{red:0xaa, green: 0x55, blue: 0x00}, // 6 dark yellow
RGB{red:0xaa, green: 0xaa, blue: 0xaa}, // 7 dark white
RGB{red:0x55, green: 0x55, blue: 0x55}, // 8 light gray
RGB{red:0x55, green: 0x55, blue: 0xff}, // 9 light blue
RGB{red:0x55, green: 0xff, blue: 0x55}, // 10 light green
RGB{red:0x55, green: 0xff, blue: 0xff}, // 11 light cyan
RGB{red:0xff, green: 0x55, blue: 0x55}, // 12 light red
RGB{red:0xff, green: 0x55, blue: 0xff}, // 13 light magenta
RGB{red:0xff, green: 0xff, blue: 0x55}, // 14 light yelow
RGB{red:0xff, green: 0xff, blue: 0xff}, // 15 white
// grayscale 16-31
RGB{red:0x00, green: 0x00, blue: 0x00}, // 16
RGB{red:0x14, green: 0x14, blue: 0x14}, // 17
RGB{red:0x20, green: 0x20, blue: 0x20}, // 18
RGB{red:0x2c, green: 0x2c, blue: 0x2c}, // 19
RGB{red:0x38, green: 0x38, blue: 0x38}, // 20
RGB{red:0x45, green: 0x45, blue: 0x45}, // 21
RGB{red:0x51, green: 0x51, blue: 0x51}, // 22
RGB{red:0x61, green: 0x61, blue: 0x61}, // 23
RGB{red:0x71, green: 0x71, blue: 0x71}, // 24
RGB{red:0x82, green: 0x82, blue: 0x82}, // 25
RGB{red:0x92, green: 0x92, blue: 0x92}, // 26
RGB{red:0xa2, green: 0xa2, blue: 0xa2}, // 27
RGB{red:0xb6, green: 0xb6, blue: 0xb6}, // 28
RGB{red:0xcb, green: 0xcb, blue: 0xcb}, // 29
RGB{red:0xe3, green: 0xe3, blue: 0xe3}, // 30
RGB{red:0xff, green: 0xff, blue: 0xff}, // 31
// BLUE -> GREEN
RGB{red:0x00, green: 0x00, blue: 0xff},
RGB{red:0x41, green: 0x00, blue: 0xff},
RGB{red:0x7d, green: 0x00, blue: 0xff},
RGB{red:0xbe, green: 0x00, blue: 0xff},
RGB{red:0xff, green: 0x00, blue: 0xff},
RGB{red:0xff, green: 0x00, blue: 0xbe},
RGB{red:0xff, green: 0x00, blue: 0x7d},
RGB{red:0xff, green: 0x00, blue: 0x41},
RGB{red:0xff, green: 0x00, blue: 0x00},
RGB{red:0xff, green: 0x41, blue: 0x00},
RGB{red:0xff, green: 0x7d, blue: 0x00},
RGB{red:0xff, green: 0xbe, blue: 0x00},
RGB{red:0xff, green: 0xff, blue: 0x00},
RGB{red:0xbe, green: 0xff, blue: 0x00},
RGB{red:0x7d, green: 0xff, blue: 0x00},
RGB{red:0x41, green: 0xff, blue: 0x00},
RGB{red:0x00, green: 0xff, blue: 0x00},
// light colors
RGB{red:0x00, green: 0xff, blue: 0x41},
RGB{red:0x00, green: 0xff, blue: 0x7d},
RGB{red:0x00, green: 0xff, blue: 0xbe},
RGB{red:0x00, green: 0xff, blue: 0xff},
RGB{red:0x00, green: 0xbe, blue: 0xff},
RGB{red:0x00, green: 0x7d, blue: 0xff},
RGB{red:0x00, green: 0x41, blue: 0xff},
RGB{red:0x7d, green: 0x7d, blue: 0xff},
RGB{red:0x9e, green: 0x7d, blue: 0xff},
RGB{red:0xbe, green: 0x7d, blue: 0xff},
RGB{red:0xdf, green: 0x7d, blue: 0xff},
RGB{red:0xff, green: 0x7d, blue: 0xff},
RGB{red:0xff, green: 0x7d, blue: 0xdf},
RGB{red:0xff, green: 0x7d, blue: 0xbe},
RGB{red:0xff, green: 0x7d, blue: 0x9e},
RGB{red:0xff, green: 0x7d, blue: 0x7d},
RGB{red:0xff, green: 0x9e, blue: 0x7d},
RGB{red:0xff, green: 0xbe, blue: 0x7d},
RGB{red:0xff, green: 0xdf, blue: 0x7d},
RGB{red:0xff, green: 0xff, blue: 0x7d},
RGB{red:0xdf, green: 0xff, blue: 0x7d},
RGB{red:0xbe, green: 0xff, blue: 0x7d},
RGB{red:0x9e, green: 0xff, blue: 0x7d},
RGB{red:0x7d, green: 0xff, blue: 0x7d},
RGB{red:0x7d, green: 0xff, blue: 0x9e},
RGB{red:0x7d, green: 0xff, blue: 0xbe},
RGB{red:0x7d, green: 0xff, blue: 0xdf},
RGB{red:0x7d, green: 0xff, blue: 0xff},
RGB{red:0x7d, green: 0xdf, blue: 0xff},
RGB{red:0x7d, green: 0xbe, blue: 0xff},
RGB{red:0x7d, green: 0x9e, blue: 0xff},
RGB{red:0xb6, green: 0xb6, blue: 0xff},
RGB{red:0xc7, green: 0xb6, blue: 0xff},
RGB{red:0xdb, green: 0xb6, blue: 0xff},
RGB{red:0xeb, green: 0xb6, blue: 0xff},
RGB{red:0xff, green: 0xb6, blue: 0xff},
RGB{red:0xff, green: 0xb6, blue: 0xeb},
RGB{red:0xff, green: 0xb6, blue: 0xdb},
RGB{red:0xff, green: 0xb6, blue: 0xc7},
RGB{red:0xff, green: 0xb6, blue: 0xb6},
RGB{red:0xff, green: 0xc7, blue: 0xb6},
RGB{red:0xff, green: 0xdb, blue: 0xb6},
RGB{red:0xff, green: 0xeb, blue: 0xb6},
RGB{red:0xff, green: 0xff, blue: 0xb6},
RGB{red:0xeb, green: 0xff, blue: 0xb6},
RGB{red:0xdb, green: 0xff, blue: 0xb6},
RGB{red:0xc7, green: 0xff, blue: 0xb6},
RGB{red:0xb6, green: 0xff, blue: 0xb6},
RGB{red:0xb6, green: 0xff, blue: 0xc7},
RGB{red:0xb6, green: 0xff, blue: 0xdb},
RGB{red:0xb6, green: 0xff, blue: 0xeb},
RGB{red:0xb6, green: 0xff, blue: 0xff},
RGB{red:0xb6, green: 0xeb, blue: 0xff},
RGB{red:0xb6, green: 0xdb, blue: 0xff},
RGB{red:0xb6, green: 0xc7, blue: 0xff},
// Dark colors
RGB{red:0x00, green: 0x00, blue: 0x71},
RGB{red:0x1c, green: 0x00, blue: 0x71},
RGB{red:0x38, green: 0x00, blue: 0x71},
RGB{red:0x55, green: 0x00, blue: 0x71},
RGB{red:0x71, green: 0x00, blue: 0x71},
RGB{red:0x71, green: 0x00, blue: 0x55},
RGB{red:0x71, green: 0x00, blue: 0x38},
RGB{red:0x71, green: 0x00, blue: 0x1c},
RGB{red:0x71, green: 0x00, blue: 0x00},
RGB{red:0x71, green: 0x1c, blue: 0x00},
RGB{red:0x71, green: 0x38, blue: 0x00},
RGB{red:0x71, green: 0x55, blue: 0x00},
RGB{red:0x71, green: 0x71, blue: 0x00},
RGB{red:0x55, green: 0x71, blue: 0x00},
RGB{red:0x38, green: 0x71, blue: 0x00},
RGB{red:0x1c, green: 0x71, blue: 0x00},
RGB{red:0x00, green: 0x71, blue: 0x00},
RGB{red:0x00, green: 0x71, blue: 0x1c},
RGB{red:0x00, green: 0x71, blue: 0x38},
RGB{red:0x00, green: 0x71, blue: 0x55},
RGB{red:0x00, green: 0x71, blue: 0x71},
RGB{red:0x00, green: 0x55, blue: 0x71},
RGB{red:0x00, green: 0x38, blue: 0x71},
RGB{red:0x00, green: 0x1c, blue: 0x71},
RGB{red:0x38, green: 0x38, blue: 0x71},
RGB{red:0x45, green: 0x38, blue: 0x71},
RGB{red:0x55, green: 0x38, blue: 0x71},
RGB{red:0x61, green: 0x38, blue: 0x71},
RGB{red:0x71, green: 0x38, blue: 0x71},
RGB{red:0x71, green: 0x38, blue: 0x61},
RGB{red:0x71, green: 0x38, blue: 0x55},
RGB{red:0x71, green: 0x38, blue: 0x45},
RGB{red:0x71, green: 0x38, blue: 0x38},
RGB{red:0x71, green: 0x45, blue: 0x38},
RGB{red:0x71, green: 0x55, blue: 0x38},
RGB{red:0x71, green: 0x61, blue: 0x38},
RGB{red:0x71, green: 0x71, blue: 0x38},
RGB{red:0x61, green: 0x71, blue: 0x38},
RGB{red:0x55, green: 0x71, blue: 0x38},
RGB{red:0x45, green: 0x71, blue: 0x38},
RGB{red:0x38, green: 0x71, blue: 0x38},
RGB{red:0x38, green: 0x71, blue: 0x45},
RGB{red:0x38, green: 0x71, blue: 0x55},
RGB{red:0x38, green: 0x71, blue: 0x61},
RGB{red:0x38, green: 0x71, blue: 0x71},
RGB{red:0x38, green: 0x61, blue: 0x71},
RGB{red:0x38, green: 0x55, blue: 0x71},
RGB{red:0x38, green: 0x45, blue: 0x71},
RGB{red:0x51, green: 0x51, blue: 0x71},
RGB{red:0x59, green: 0x51, blue: 0x71},
RGB{red:0x61, green: 0x51, blue: 0x71},
RGB{red:0x69, green: 0x51, blue: 0x71},
RGB{red:0x71, green: 0x51, blue: 0x71},
RGB{red:0x71, green: 0x51, blue: 0x69},
RGB{red:0x71, green: 0x51, blue: 0x61},
RGB{red:0x71, green: 0x51, blue: 0x59},
RGB{red:0x71, green: 0x51, blue: 0x51},
RGB{red:0x71, green: 0x59, blue: 0x51},
RGB{red:0x71, green: 0x61, blue: 0x51},
RGB{red:0x71, green: 0x69, blue: 0x51},
RGB{red:0x71, green: 0x71, blue: 0x51},
RGB{red:0x69, green: 0x71, blue: 0x51},
RGB{red:0x61, green: 0x71, blue: 0x51},
RGB{red:0x59, green: 0x71, blue: 0x51},
RGB{red:0x51, green: 0x71, blue: 0x51},
RGB{red:0x51, green: 0x71, blue: 0x59},
RGB{red:0x51, green: 0x71, blue: 0x61},
RGB{red:0x51, green: 0x71, blue: 0x69},
RGB{red:0x51, green: 0x71, blue: 0x71},
RGB{red:0x51, green: 0x69, blue: 0x71},
RGB{red:0x51, green: 0x61, blue: 0x71},
RGB{red:0x51, green: 0x59, blue: 0x71},
RGB{red:0x00, green: 0x00, blue: 0x41},
RGB{red:0x10, green: 0x00, blue: 0x41},
RGB{red:0x20, green: 0x00, blue: 0x41},
RGB{red:0x30, green: 0x00, blue: 0x41},
RGB{red:0x41, green: 0x00, blue: 0x41},
RGB{red:0x41, green: 0x00, blue: 0x30},
RGB{red:0x41, green: 0x00, blue: 0x20},
RGB{red:0x41, green: 0x00, blue: 0x10},
RGB{red:0x41, green: 0x00, blue: 0x00},
RGB{red:0x41, green: 0x10, blue: 0x00},
RGB{red:0x41, green: 0x20, blue: 0x00},
RGB{red:0x41, green: 0x30, blue: 0x00},
RGB{red:0x41, green: 0x41, blue: 0x00},
RGB{red:0x30, green: 0x41, blue: 0x00},
RGB{red:0x20, green: 0x41, blue: 0x00},
RGB{red:0x10, green: 0x41, blue: 0x00},
RGB{red:0x00, green: 0x41, blue: 0x00},
RGB{red:0x00, green: 0x41, blue: 0x10},
RGB{red:0x00, green: 0x41, blue: 0x20},
RGB{red:0x00, green: 0x41, blue: 0x30},
RGB{red:0x00, green: 0x41, blue: 0x41},
RGB{red:0x00, green: 0x30, blue: 0x41},
RGB{red:0x00, green: 0x20, blue: 0x41},
RGB{red:0x00, green: 0x10, blue: 0x41},
RGB{red:0x20, green: 0x20, blue: 0x41},
RGB{red:0x28, green: 0x20, blue: 0x41},
RGB{red:0x30, green: 0x20, blue: 0x41},
RGB{red:0x38, green: 0x20, blue: 0x41},
RGB{red:0x41, green: 0x20, blue: 0x41},
RGB{red:0x41, green: 0x20, blue: 0x38},
RGB{red:0x41, green: 0x20, blue: 0x30},
RGB{red:0x41, green: 0x20, blue: 0x28},
RGB{red:0x41, green: 0x20, blue: 0x20},
RGB{red:0x41, green: 0x28, blue: 0x20},
RGB{red:0x41, green: 0x30, blue: 0x20},
RGB{red:0x41, green: 0x38, blue: 0x20},
RGB{red:0x41, green: 0x41, blue: 0x20},
RGB{red:0x38, green: 0x41, blue: 0x20},
RGB{red:0x30, green: 0x41, blue: 0x20},
RGB{red:0x28, green: 0x41, blue: 0x20},
RGB{red:0x20, green: 0x41, blue: 0x20},
RGB{red:0x20, green: 0x41, blue: 0x28},
RGB{red:0x20, green: 0x41, blue: 0x30},
RGB{red:0x20, green: 0x41, blue: 0x38},
RGB{red:0x20, green: 0x41, blue: 0x41},
RGB{red:0x20, green: 0x38, blue: 0x41},
RGB{red:0x20, green: 0x30, blue: 0x41},
RGB{red:0x20, green: 0x28, blue: 0x41},
RGB{red:0x2c, green: 0x2c, blue: 0x41},
RGB{red:0x30, green: 0x2c, blue: 0x41},
RGB{red:0x34, green: 0x2c, blue: 0x41},
RGB{red:0x3c, green: 0x2c, blue: 0x41},
RGB{red:0x41, green: 0x2c, blue: 0x41},
RGB{red:0x41, green: 0x2c, blue: 0x3c},
RGB{red:0x41, green: 0x2c, blue: 0x34},
RGB{red:0x41, green: 0x2c, blue: 0x30},
RGB{red:0x41, green: 0x2c, blue: 0x2c},
RGB{red:0x41, green: 0x30, blue: 0x2c},
RGB{red:0x41, green: 0x34, blue: 0x2c},
RGB{red:0x41, green: 0x3c, blue: 0x2c},
RGB{red:0x41, green: 0x41, blue: 0x2c},
RGB{red:0x3c, green: 0x41, blue: 0x2c},
RGB{red:0x34, green: 0x41, blue: 0x2c},
RGB{red:0x30, green: 0x41, blue: 0x2c},
RGB{red:0x2c, green: 0x41, blue: 0x2c},
RGB{red:0x2c, green: 0x41, blue: 0x30},
RGB{red:0x2c, green: 0x41, blue: 0x34},
RGB{red:0x2c, green: 0x41, blue: 0x3c},
RGB{red:0x2c, green: 0x41, blue: 0x41},
RGB{red:0x2c, green: 0x3c, blue: 0x41},
RGB{red:0x2c, green: 0x34, blue: 0x41},
RGB{red:0x2c, green: 0x30, blue: 0x41},
// black
RGB{red:0x00, green: 0x00, blue: 0x00},
RGB{red:0x00, green: 0x00, blue: 0x00},
RGB{red:0x00, green: 0x00, blue: 0x00},
RGB{red:0x00, green: 0x00, blue: 0x00},
RGB{red:0x00, green: 0x00, blue: 0x00},
RGB{red:0x00, green: 0x00, blue: 0x00},
RGB{red:0x00, green: 0x00, blue: 0x00},
RGB{red:0x00, green: 0x00, blue: 0x00},
];
const PC98COLOR16: [RGB; 16] = [
RGB{red:0x00,green:0x00,blue:0x00}, // 0 black
RGB{red:0x00,green:0x00,blue:0x7f}, // 1 dark blue
RGB{red:0x7f,green:0x00,blue:0xff}, // 2 dark red
RGB{red:0x7f,green:0x00,blue:0x7f}, // 3 dark magenta
RGB{red:0x00,green:0x7f,blue:0x00}, // 4 dark green
RGB{red:0x00,green:0x7f,blue:0x7f}, // 5 dark cyan
RGB{red:0x80,green:0x7f,blue:0x00}, // 6 dark yellow
RGB{red:0x7f,green:0x7f,blue:0x7f}, // 7 dark white
RGB{red:0x4f,green:0x4f,blue:0x4f}, // 8 light black
RGB{red:0x00,green:0x00,blue:0xff}, // 9 blue
RGB{red:0xff,green:0x00,blue:0x00}, // 10 red
RGB{red:0xff,green:0x00,blue:0xff}, // 11 magenta
RGB{red:0x00,green:0xff,blue:0x00}, // 12 green
RGB{red:0x00,green:0xff,blue:0xff}, // 13 cyan
RGB{red:0xff,green:0xff,blue:0x00}, // 14 yellow
RGB{red:0xff,green:0xff,blue:0xff}, // 15 white
];
*/