Class BpxPatternColors

The primary color or a transparency (denoted by null).

The secondary color or a transparency (denoted by null).

A property helpful for TypeScript type inference, when distinguishing from other types of colors.

Example

const c:
  | null
  | BpxRgbColor
  | BpxPatternColors
  | BpxSpriteColorMapping
  | BpxCanvasSnapshotColorMapping
  = getColor();
if (c == null) {
  // c is transparent here
} else if (c.type === "rgb") {
  // c is BpxRgbColor here
} else if (c.type === "pattern") {
  // c is BpxPatternColors here
} else if (c.type === "sprite_mapping") {
  // c is BpxSpriteColorMapping here
} else if (c.type === "canvas_snapshot_mapping") {
  // c is BpxCanvasSnapshotColorMapping here
} else {
  $u.assertUnreachable(c);
}
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