From fe0e8e86d6c9f149d30683b5181e3f690b795b7b Mon Sep 17 00:00:00 2001 From: 6543 <6543@obermui.de> Date: Fri, 11 Sep 2020 01:07:43 +0200 Subject: [PATCH] resolve CSS3 named colors --- hexcolor.go | 8 +- hexcolor_test.go | 9 +- named.go | 312 ++++++++++++++++++++++++++++++++++++++++++++++- 3 files changed, 326 insertions(+), 3 deletions(-) diff --git a/hexcolor.go b/hexcolor.go index da0ca6e..fd5e38a 100644 --- a/hexcolor.go +++ b/hexcolor.go @@ -18,6 +18,7 @@ func NewHexColor(hc string) (*HexColor, error) { c := &HexColor{original: hc} hc = strings.TrimLeft(strings.ToLower(hc), "#") + // normalize hex color if _, err := strconv.ParseUint(hc, 16, 24); err == nil { if len(hc) == 6 { c.hex = hc @@ -29,7 +30,12 @@ func NewHexColor(hc string) (*HexColor, error) { } } - // handle named colors + // resolve named color to hex color + val, exist := CSS3ColorMap[strings.TrimSpace(hc)] + if exist { + c.hex = string(val) + return c, nil + } return nil, fmt.Errorf("Malformed color: %s", hc) } diff --git a/hexcolor_test.go b/hexcolor_test.go index 0f2f198..db102e0 100644 --- a/hexcolor_test.go +++ b/hexcolor_test.go @@ -15,7 +15,14 @@ func TestNewHexColor(t *testing.T) { {"#dd22cc", "dd22cc", false}, {"#adf", "aaddff", false}, {"15d", "1155dd", false}, - {"a5i", "", true}, + {"15di", "1155dd", true}, + {"2e8b57", "2e8b57", false}, + {"2e8b572e8b57", "", true}, + + {"Red", "ff0000", false}, + {"blue", "0000ff", false}, + {"reed", "", true}, + {"", "", true}, } for _, tc := range cases { diff --git a/named.go b/named.go index e216915..f0c061b 100644 --- a/named.go +++ b/named.go @@ -1 +1,311 @@ -package go_hexcolor +package hexcolor + +type ANSIColor string + +// CSS3 named colors +// ref: https://drafts.csswg.org/css-color-3/ +type CSS3Color string + +const ( + Aliceblue CSS3Color = "f0f8ff" + Antiquewhite CSS3Color = "faebd7" + Aqua CSS3Color = "00ffff" + Aquamarine CSS3Color = "7fffd4" + Azure CSS3Color = "f0ffff" + Beige CSS3Color = "f5f5dc" + Bisque CSS3Color = "ffe4c4" + Black CSS3Color = "000000" + Blanchedalmond CSS3Color = "ffebcd" + Blue CSS3Color = "0000ff" + Blueviolet CSS3Color = "8a2be2" + Brown CSS3Color = "a52a2a" + Burlywood CSS3Color = "deb887" + Cadetblue CSS3Color = "5f9ea0" + Chartreuse CSS3Color = "7fff00" + Chocolate CSS3Color = "d2691e" + Coral CSS3Color = "ff7f50" + Cornflowerblue CSS3Color = "6495ed" + Cornsilk CSS3Color = "fff8dc" + Crimson CSS3Color = "dc143c" + Cyan CSS3Color = "00ffff" + Darkblue CSS3Color = "00008b" + Darkcyan CSS3Color = "008b8b" + Darkgoldenrod CSS3Color = "b8860b" + Darkgray CSS3Color = "a9a9a9" + Darkgreen CSS3Color = "006400" + Darkgrey CSS3Color = "a9a9a9" + Darkkhaki CSS3Color = "bdb76b" + Darkmagenta CSS3Color = "8b008b" + Darkolivegreen CSS3Color = "556b2f" + Darkorange CSS3Color = "ff8c00" + Darkorchid CSS3Color = "9932cc" + Darkred CSS3Color = "8b0000" + Darksalmon CSS3Color = "e9967a" + Darkseagreen CSS3Color = "8fbc8f" + Darkslateblue CSS3Color = "483d8b" + Darkslategray CSS3Color = "2f4f4f" + Darkslategrey CSS3Color = "2f4f4f" + Darkturquoise CSS3Color = "00ced1" + Darkviolet CSS3Color = "9400d3" + Deeppink CSS3Color = "ff1493" + Deepskyblue CSS3Color = "00bfff" + Dimgray CSS3Color = "696969" + Dimgrey CSS3Color = "696969" + Dodgerblue CSS3Color = "1e90ff" + Firebrick CSS3Color = "b22222" + Floralwhite CSS3Color = "fffaf0" + Forestgreen CSS3Color = "228b22" + Fuchsia CSS3Color = "ff00ff" + Gainsboro CSS3Color = "dcdcdc" + Ghostwhite CSS3Color = "f8f8ff" + Gold CSS3Color = "ffd700" + Goldenrod CSS3Color = "daa520" + Gray CSS3Color = "808080" + Green CSS3Color = "008000" + Greenyellow CSS3Color = "adff2f" + Grey CSS3Color = "808080" + Honeydew CSS3Color = "f0fff0" + Hotpink CSS3Color = "ff69b4" + Indianred CSS3Color = "cd5c5c" + Indigo CSS3Color = "4b0082" + Ivory CSS3Color = "fffff0" + Khaki CSS3Color = "f0e68c" + Lavender CSS3Color = "e6e6fa" + Lavenderblush CSS3Color = "fff0f5" + Lawngreen CSS3Color = "7cfc00" + Lemonchiffon CSS3Color = "fffacd" + Lightblue CSS3Color = "add8e6" + Lightcoral CSS3Color = "f08080" + Lightcyan CSS3Color = "e0ffff" + Lightgoldenrodyellow CSS3Color = "fafad2" + Lightgray CSS3Color = "d3d3d3" + Lightgreen CSS3Color = "90ee90" + Lightgrey CSS3Color = "d3d3d3" + Lightpink CSS3Color = "ffb6c1" + Lightsalmon CSS3Color = "ffa07a" + Lightseagreen CSS3Color = "20b2aa" + Lightskyblue CSS3Color = "87cefa" + Lightslategray CSS3Color = "778899" + Lightslategrey CSS3Color = "778899" + Lightsteelblue CSS3Color = "b0c4de" + Lightyellow CSS3Color = "ffffe0" + Lime CSS3Color = "00ff00" + Limegreen CSS3Color = "32cd32" + Linen CSS3Color = "faf0e6" + Magenta CSS3Color = "ff00ff" + Maroon CSS3Color = "800000" + Mediumaquamarine CSS3Color = "66cdaa" + Mediumblue CSS3Color = "0000cd" + Mediumorchid CSS3Color = "ba55d3" + Mediumpurple CSS3Color = "9370db" + Mediumseagreen CSS3Color = "3cb371" + Mediumslateblue CSS3Color = "7b68ee" + Mediumspringgreen CSS3Color = "00fa9a" + Mediumturquoise CSS3Color = "48d1cc" + Mediumvioletred CSS3Color = "c71585" + Midnightblue CSS3Color = "191970" + Mintcream CSS3Color = "f5fffa" + Mistyrose CSS3Color = "ffe4e1" + Moccasin CSS3Color = "ffe4b5" + Navajowhite CSS3Color = "ffdead" + Navy CSS3Color = "000080" + Oldlace CSS3Color = "fdf5e6" + Olive CSS3Color = "808000" + Olivedrab CSS3Color = "6b8e23" + Orange CSS3Color = "ffa500" + Orangered CSS3Color = "ff4500" + Orchid CSS3Color = "da70d6" + Palegoldenrod CSS3Color = "eee8aa" + Palegreen CSS3Color = "98fb98" + Paleturquoise CSS3Color = "afeeee" + Palevioletred CSS3Color = "db7093" + Papayawhip CSS3Color = "ffefd5" + Peachpuff CSS3Color = "ffdab9" + Peru CSS3Color = "cd853f" + Pink CSS3Color = "ffc0cb" + Plum CSS3Color = "dda0dd" + Powderblue CSS3Color = "b0e0e6" + Purple CSS3Color = "800080" + Red CSS3Color = "ff0000" + Rosybrown CSS3Color = "bc8f8f" + Royalblue CSS3Color = "4169e1" + Saddlebrown CSS3Color = "8b4513" + Salmon CSS3Color = "fa8072" + Sandybrown CSS3Color = "f4a460" + Seagreen CSS3Color = "2e8b57" + Seashell CSS3Color = "fff5ee" + Sienna CSS3Color = "a0522d" + Silver CSS3Color = "c0c0c0" + Skyblue CSS3Color = "87ceeb" + Slateblue CSS3Color = "6a5acd" + Slategray CSS3Color = "708090" + Slategrey CSS3Color = "708090" + Snow CSS3Color = "fffafa" + Springgreen CSS3Color = "00ff7f" + Steelblue CSS3Color = "4682b4" + Tan CSS3Color = "d2b48c" + Teal CSS3Color = "008080" + Thistle CSS3Color = "d8bfd8" + Tomato CSS3Color = "ff6347" + Turquoise CSS3Color = "40e0d0" + Violet CSS3Color = "ee82ee" + Wheat CSS3Color = "f5deb3" + White CSS3Color = "ffffff" + Whitesmoke CSS3Color = "f5f5f5" + Yellow CSS3Color = "ffff00" + Yellowgreen CSS3Color = "9acd32" +) + +var CSS3ColorMap map[string]CSS3Color + +func init() { + CSS3ColorMap = make(map[string]CSS3Color) + + CSS3ColorMap["aliceblue"] = Aliceblue + CSS3ColorMap["antiquewhite"] = Antiquewhite + CSS3ColorMap["aqua"] = Aqua + CSS3ColorMap["aquamarine"] = Aquamarine + CSS3ColorMap["azure"] = Azure + CSS3ColorMap["beige"] = Beige + CSS3ColorMap["bisque"] = Bisque + CSS3ColorMap["black"] = Black + CSS3ColorMap["blanchedalmond"] = Blanchedalmond + CSS3ColorMap["blue"] = Blue + CSS3ColorMap["blueviolet"] = Blueviolet + CSS3ColorMap["brown"] = Brown + CSS3ColorMap["burlywood"] = Burlywood + CSS3ColorMap["cadetblue"] = Cadetblue + CSS3ColorMap["chartreuse"] = Chartreuse + CSS3ColorMap["chocolate"] = Chocolate + CSS3ColorMap["coral"] = Coral + CSS3ColorMap["cornflowerblue"] = Cornflowerblue + CSS3ColorMap["cornsilk"] = Cornsilk + CSS3ColorMap["crimson"] = Crimson + CSS3ColorMap["cyan"] = Cyan + CSS3ColorMap["darkblue"] = Darkblue + CSS3ColorMap["darkcyan"] = Darkcyan + CSS3ColorMap["darkgoldenrod"] = Darkgoldenrod + CSS3ColorMap["darkgray"] = Darkgray + CSS3ColorMap["darkgreen"] = Darkgreen + CSS3ColorMap["darkgrey"] = Darkgrey + CSS3ColorMap["darkkhaki"] = Darkkhaki + CSS3ColorMap["darkmagenta"] = Darkmagenta + CSS3ColorMap["darkolivegreen"] = Darkolivegreen + CSS3ColorMap["darkorange"] = Darkorange + CSS3ColorMap["darkorchid"] = Darkorchid + CSS3ColorMap["darkred"] = Darkred + CSS3ColorMap["darksalmon"] = Darksalmon + CSS3ColorMap["darkseagreen"] = Darkseagreen + CSS3ColorMap["darkslateblue"] = Darkslateblue + CSS3ColorMap["darkslategray"] = Darkslategray + CSS3ColorMap["darkslategrey"] = Darkslategrey + CSS3ColorMap["darkturquoise"] = Darkturquoise + CSS3ColorMap["darkviolet"] = Darkviolet + CSS3ColorMap["deeppink"] = Deeppink + CSS3ColorMap["deepskyblue"] = Deepskyblue + CSS3ColorMap["dimgray"] = Dimgray + CSS3ColorMap["dimgrey"] = Dimgrey + CSS3ColorMap["dodgerblue"] = Dodgerblue + CSS3ColorMap["firebrick"] = Firebrick + CSS3ColorMap["floralwhite"] = Floralwhite + CSS3ColorMap["forestgreen"] = Forestgreen + CSS3ColorMap["fuchsia"] = Fuchsia + CSS3ColorMap["gainsboro"] = Gainsboro + CSS3ColorMap["ghostwhite"] = Ghostwhite + CSS3ColorMap["gold"] = Gold + CSS3ColorMap["goldenrod"] = Goldenrod + CSS3ColorMap["gray"] = Gray + CSS3ColorMap["green"] = Green + CSS3ColorMap["greenyellow"] = Greenyellow + CSS3ColorMap["grey"] = Grey + CSS3ColorMap["honeydew"] = Honeydew + CSS3ColorMap["hotpink"] = Hotpink + CSS3ColorMap["indianred"] = Indianred + CSS3ColorMap["indigo"] = Indigo + CSS3ColorMap["ivory"] = Ivory + CSS3ColorMap["khaki"] = Khaki + CSS3ColorMap["lavender"] = Lavender + CSS3ColorMap["lavenderblush"] = Lavenderblush + CSS3ColorMap["lawngreen"] = Lawngreen + CSS3ColorMap["lemonchiffon"] = Lemonchiffon + CSS3ColorMap["lightblue"] = Lightblue + CSS3ColorMap["lightcoral"] = Lightcoral + CSS3ColorMap["lightcyan"] = Lightcyan + CSS3ColorMap["lightgoldenrodyellow"] = Lightgoldenrodyellow + CSS3ColorMap["lightgray"] = Lightgray + CSS3ColorMap["lightgreen"] = Lightgreen + CSS3ColorMap["lightgrey"] = Lightgrey + CSS3ColorMap["lightpink"] = Lightpink + CSS3ColorMap["lightsalmon"] = Lightsalmon + CSS3ColorMap["lightseagreen"] = Lightseagreen + CSS3ColorMap["lightskyblue"] = Lightskyblue + CSS3ColorMap["lightslategray"] = Lightslategray + CSS3ColorMap["lightslategrey"] = Lightslategrey + CSS3ColorMap["lightsteelblue"] = Lightsteelblue + CSS3ColorMap["lightyellow"] = Lightyellow + CSS3ColorMap["lime"] = Lime + CSS3ColorMap["limegreen"] = Limegreen + CSS3ColorMap["linen"] = Linen + CSS3ColorMap["magenta"] = Magenta + CSS3ColorMap["maroon"] = Maroon + CSS3ColorMap["mediumaquamarine"] = Mediumaquamarine + CSS3ColorMap["mediumblue"] = Mediumblue + CSS3ColorMap["mediumorchid"] = Mediumorchid + CSS3ColorMap["mediumpurple"] = Mediumpurple + CSS3ColorMap["mediumseagreen"] = Mediumseagreen + CSS3ColorMap["mediumslateblue"] = Mediumslateblue + CSS3ColorMap["mediumspringgreen"] = Mediumspringgreen + CSS3ColorMap["mediumturquoise"] = Mediumturquoise + CSS3ColorMap["mediumvioletred"] = Mediumvioletred + CSS3ColorMap["midnightblue"] = Midnightblue + CSS3ColorMap["mintcream"] = Mintcream + CSS3ColorMap["mistyrose"] = Mistyrose + CSS3ColorMap["moccasin"] = Moccasin + CSS3ColorMap["navajowhite"] = Navajowhite + CSS3ColorMap["navy"] = Navy + CSS3ColorMap["oldlace"] = Oldlace + CSS3ColorMap["olive"] = Olive + CSS3ColorMap["olivedrab"] = Olivedrab + CSS3ColorMap["orange"] = Orange + CSS3ColorMap["orangered"] = Orangered + CSS3ColorMap["orchid"] = Orchid + CSS3ColorMap["palegoldenrod"] = Palegoldenrod + CSS3ColorMap["palegreen"] = Palegreen + CSS3ColorMap["paleturquoise"] = Paleturquoise + CSS3ColorMap["palevioletred"] = Palevioletred + CSS3ColorMap["papayawhip"] = Papayawhip + CSS3ColorMap["peachpuff"] = Peachpuff + CSS3ColorMap["peru"] = Peru + CSS3ColorMap["pink"] = Pink + CSS3ColorMap["plum"] = Plum + CSS3ColorMap["powderblue"] = Powderblue + CSS3ColorMap["purple"] = Purple + CSS3ColorMap["red"] = Red + CSS3ColorMap["rosybrown"] = Rosybrown + CSS3ColorMap["royalblue"] = Royalblue + CSS3ColorMap["saddlebrown"] = Saddlebrown + CSS3ColorMap["salmon"] = Salmon + CSS3ColorMap["sandybrown"] = Sandybrown + CSS3ColorMap["seagreen"] = Seagreen + CSS3ColorMap["seashell"] = Seashell + CSS3ColorMap["sienna"] = Sienna + CSS3ColorMap["silver"] = Silver + CSS3ColorMap["skyblue"] = Skyblue + CSS3ColorMap["slateblue"] = Slateblue + CSS3ColorMap["slategray"] = Slategray + CSS3ColorMap["slategrey"] = Slategrey + CSS3ColorMap["snow"] = Snow + CSS3ColorMap["springgreen"] = Springgreen + CSS3ColorMap["steelblue"] = Steelblue + CSS3ColorMap["tan"] = Tan + CSS3ColorMap["teal"] = Teal + CSS3ColorMap["thistle"] = Thistle + CSS3ColorMap["tomato"] = Tomato + CSS3ColorMap["turquoise"] = Turquoise + CSS3ColorMap["violet"] = Violet + CSS3ColorMap["wheat"] = Wheat + CSS3ColorMap["white"] = White + CSS3ColorMap["whitesmoke"] = Whitesmoke + CSS3ColorMap["yellow"] = Yellow + CSS3ColorMap["yellowgreen"] = Yellowgreen +}