feat: color conversion utilities for (hsv, rgb, and hex) #200
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missing run ./scripts/dependabot
./scripts/buildsto setup dependabot and GitHub actions |
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| // ColorToHex converts a color to a hex string. | ||
| func ColorToHex(c color.Color) string { | ||
| r, g, b, _ := c.RGBA() |
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Needs a nil check
Suggested change
| r, g, b, _ := c.RGBA() | |
| if c == nil { | |
| return "" | |
| } | |
| r, g, b, _ := c.RGBA() |
| // - The hue will be rounded to the nearest degree, while the saturation and | ||
| // value will be rounded to two decimal places. | ||
| func ColorToHSV(c color.Color) (h, s, v float64) { | ||
| r, g, b, _ := c.RGBA() |
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| r, g, b, _ := c.RGBA() | |
| if c == nil { | |
| return 0, 0, 0 | |
| } | |
| r, g, b, _ := c.RGBA() |
| c color.Color | ||
| want string | ||
| }{ | ||
| {color.RGBA{0, 0, 0, 255}, "#000000"}, |
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| {color.RGBA{0, 0, 0, 255}, "#000000"}, | |
| {nil, ""}, | |
| {color.RGBA{0, 0, 0, 255}, "#000000"}, |
| h, s, v float64 | ||
| } | ||
| }{ | ||
| {color.RGBA{0, 0, 0, 255}, struct{ h, s, v float64 }{0, 0, 0}}, |
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| {color.RGBA{0, 0, 0, 255}, struct{ h, s, v float64 }{0, 0, 0}}, | |
| {nil, struct{ h, s, v float64 }{0, 0, 0}}, | |
| {color.RGBA{0, 0, 0, 255}, struct{ h, s, v float64 }{0, 0, 0}}, |
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Appreciate the review. Yeah, after putting this together it occurred to me that go-colorful is probably a better choice. If it ends up doing what I need it to, I’ll close this PR without merging. |
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This adds functions for converting to and from HSV.
There's also a color to hexadecimal conversion for convenience.