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detect valid R color

Source: R/jamba-colors.r
isColor.Rd

detect valid R color

Usage

isColor(x, makeNamesFunc = c, ...)

Arguments

x

character vector of potential R colors

makeNamesFunc

function used to make names for the resulting vector

...

additional parameters are ignored

Value

logical vector with length(x).

Details

This function determines whether each element in a vector is a valid R color, based upon the R color names, valid hex color format, and the word "transparent" which is valid as an R color.

See also

Other jam color functions: alpha2col(), applyCLrange(), col2alpha(), col2hcl(), col2hsl(), col2hsv(), color2gradient(), fixYellow(), fixYellowHue(), getColorRamp(), hcl2col(), hsl2col(), hsv2col(), kable_coloring(), makeColorDarker(), rainbow2(), rgb2col(), setCLranges(), setTextContrastColor(), showColors(), unalpha(), warpRamp()

Examples

isColor(c("red", "blue", "beige", "#99000099", "#aa00ff", "#AAE", "bleh"))
#>       red      blue     beige #99000099   #aa00ff      #AAE      bleh 
#>      TRUE      TRUE      TRUE      TRUE      TRUE      TRUE     FALSE