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feat: non-interpolated colors, aka CompleteColor (#100)

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* feat: add color types for specifying colors on a per-profile basis

* chore: remove go-colourful references

* fix: lint (#101)

Co-authored-by: Ayman Bagabas <ayman.bagabas@gmail.com>
This commit is contained in:
Christian Rocha 2022-08-30 13:38:15 -07:00 committed by GitHub
parent 2cb1d4a5c1
commit 0ee74a5a90
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 62 additions and 7 deletions
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69
color.go
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@ -116,7 +116,7 @@ func (n NoColor) color() termenv.Color {
// RGBA returns the RGBA value of this color. Because we have to return
// something, despite this color being the absence of color, we're returning
// the same value that go-colorful returns on error:
// black with 100% opacity.
//
// Red: 0x0, Green: 0x0, Blue: 0x0, Alpha: 0xFFFF.
func (n NoColor) RGBA() (r, g, b, a uint32) {
@ -143,11 +143,8 @@ func (c Color) color() termenv.Color {
// interface. Note that on error we return black with 100% opacity, or:
//
// Red: 0x0, Green: 0x0, Blue: 0x0, Alpha: 0xFF.
//
// This is inline with go-colorful's default behavior.
func (c Color) RGBA() (r, g, b, a uint32) {
cf := hexToColor(c.value())
return cf.RGBA()
return hexToColor(c.value()).RGBA()
}
// AdaptiveColor provides color options for light and dark backgrounds. The
@ -177,13 +174,71 @@ func (ac AdaptiveColor) color() termenv.Color {
// interface. Note that on error we return black with 100% opacity, or:
//
// Red: 0x0, Green: 0x0, Blue: 0x0, Alpha: 0xFF.
//
// This is inline with go-colorful's default behavior.
func (ac AdaptiveColor) RGBA() (r, g, b, a uint32) {
cf := hexToColor(ac.value())
return cf.RGBA()
}
// CompleteColor specifies exact values for truecolor, ANSI256, and ANSI color
// profiles. Automatic color degredation will not be performed.
type CompleteColor struct {
TrueColor string
ANSI256 string
ANSI string
}
func (c CompleteColor) value() string {
switch ColorProfile() {
case termenv.TrueColor:
return c.TrueColor
case termenv.ANSI256:
return c.ANSI256
case termenv.ANSI:
return c.ANSI
default:
return ""
}
}
func (c CompleteColor) color() termenv.Color {
return colorProfile.Color(c.value())
}
// RGBA returns the RGBA value of this color. This satisfies the Go Color
// interface. Note that on error we return black with 100% opacity, or:
//
// Red: 0x0, Green: 0x0, Blue: 0x0, Alpha: 0xFFFF
func (c CompleteColor) RGBA() (r, g, b, a uint32) {
return hexToColor(c.value()).RGBA()
}
// CompleteColor specifies exact values for truecolor, ANSI256, and ANSI color
// profiles, with separate options for light and dark backgrounds. Automatic
// color degredation will not be performed.
type CompleteAdaptiveColor struct {
Light CompleteColor
Dark CompleteColor
}
func (cac CompleteAdaptiveColor) value() string {
if HasDarkBackground() {
return cac.Dark.value()
}
return cac.Light.value()
}
func (cac CompleteAdaptiveColor) color() termenv.Color {
return ColorProfile().Color(cac.value())
}
// RGBA returns the RGBA value of this color. This satisfies the Go Color
// interface. Note that on error we return black with 100% opacity, or:
//
// Red: 0x0, Green: 0x0, Blue: 0x0, Alpha: 0xFFFF
func (cac CompleteAdaptiveColor) RGBA() (r, g, b, a uint32) {
return hexToColor(cac.value()).RGBA()
}
// hexToColor translates a hex color string (#RRGGBB or #RGB) into a color.RGB,
// which satisfies the color.Color interface. If an invalid string is passed
// black with 100% opacity will be returned: or, in hex format, 0x000000FF.