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adding some color helpers

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This commit is contained in:
Will Charczuk 2017-02-22 17:34:23 -08:00
parent d88ba0ead3
commit f986c3c075
1 changed files with 8 additions and 0 deletions
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8
defaults.go
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@ -103,6 +103,9 @@ var (
ColorAlternateYellow = drawing.Color{R: 240, G: 174, B: 90, A: 255} ColorAlternateYellow = drawing.Color{R: 240, G: 174, B: 90, A: 255}
// ColorAlternateLightGray is a alternate theme color. // ColorAlternateLightGray is a alternate theme color.
ColorAlternateLightGray = drawing.Color{R: 187, G: 190, B: 191, A: 255} ColorAlternateLightGray = drawing.Color{R: 187, G: 190, B: 191, A: 255}
// ColorTransparent is a transparent (alpha zero) color.
ColorTransparent = drawing.Color{R: 0, G: 0, B: 0, A: 0}
) )
var ( var (
@ -171,6 +174,11 @@ var (
DashArrayDashesLarge = []int{10, 10} DashArrayDashesLarge = []int{10, 10}
) )
// NewColor returns a new color.
func NewColor(r, g, b, a uint8) drawing.Color {
return drawing.Color{R: r, G: g, B: b, A: a}
}
// GetDefaultColor returns a color from the default list by index. // GetDefaultColor returns a color from the default list by index.
// NOTE: the index will wrap around (using a modulo). // NOTE: the index will wrap around (using a modulo).
func GetDefaultColor(index int) drawing.Color { func GetDefaultColor(index int) drawing.Color {