extract colorconverter.js

This commit is contained in:
tophf 2018-01-07 11:20:55 +03:00
parent 1fe290fb8c
commit 807ea6aa70
9 changed files with 361 additions and 362 deletions

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@ -72,6 +72,7 @@
<script src="vendor/codemirror/keymap/vim.js"></script> <script src="vendor/codemirror/keymap/vim.js"></script>
<link href="vendor-overwrites/colorpicker/colorpicker.css" rel="stylesheet"> <link href="vendor-overwrites/colorpicker/colorpicker.css" rel="stylesheet">
<script src="vendor-overwrites/colorpicker/colorconverter.js"></script>
<script src="vendor-overwrites/colorpicker/colorpicker.js"></script> <script src="vendor-overwrites/colorpicker/colorpicker.js"></script>
<script src="vendor-overwrites/colorpicker/colorview.js"></script> <script src="vendor-overwrites/colorpicker/colorview.js"></script>

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@ -35,6 +35,7 @@
<script src="vendor/codemirror/addon/fold/brace-fold.js"></script> <script src="vendor/codemirror/addon/fold/brace-fold.js"></script>
<link href="vendor-overwrites/colorpicker/colorpicker.css" rel="stylesheet"> <link href="vendor-overwrites/colorpicker/colorpicker.css" rel="stylesheet">
<script src="vendor-overwrites/colorpicker/colorconverter.js"></script>
<script src="vendor-overwrites/colorpicker/colorview.js"></script> <script src="vendor-overwrites/colorpicker/colorview.js"></script>
<script src="edit/codemirror-default.js"></script> <script src="edit/codemirror-default.js"></script>

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@ -1,40 +0,0 @@
'use strict';
// eslint-disable-next-line no-var
var colorParser = (() => {
const el = document.createElement('div');
// https://bugs.webkit.org/show_bug.cgi?id=14563
document.head.appendChild(el);
function parseRGB(color) {
const [r, g, b, a = 1] = color.match(/[.\d]+/g).map(Number);
return {r, g, b, a};
}
function parse(color) {
el.style.color = color;
if (el.style.color === '') {
throw new Error(chrome.i18n.getMessage('styleMetaErrorColor', color));
}
color = getComputedStyle(el).color;
el.style.color = '';
return parseRGB(color);
}
function format({r, g, b, a = 1}) {
if (a === 1) {
return `rgb(${r}, ${g}, ${b})`;
}
return `rgba(${r}, ${g}, ${b}, ${a})`;
}
function formatHex({r, g, b, a = null}) {
let hex = '#' + (0x1000000 + (r << 16) + (g << 8) + (b | 0)).toString(16).substr(1);
if (a !== null) {
hex += (0x100 + Math.floor(a * 255)).toString(16).substr(1);
}
return hex;
}
return {parse, format, formatHex};
})();

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@ -1,4 +1,4 @@
/* global loadScript mozParser semverCompare colorParser styleCodeEmpty */ /* global loadScript mozParser semverCompare colorConverter styleCodeEmpty */
'use strict'; 'use strict';
// eslint-disable-next-line no-var // eslint-disable-next-line no-var
@ -76,9 +76,10 @@ var usercss = (() => {
} }
if (rgb) { if (rgb) {
if (vars[name].type === 'color') { if (vars[name].type === 'color') {
// eslint-disable-next-line no-use-before-define const color = colorConverter.parse(vars[name].value);
const color = colorParser.parse(vars[name].value); if (!color) return null;
return `${color.r}, ${color.g}, ${color.b}`; const {r, g, b} = color;
return `${r}, ${g}, ${b}`;
} }
return null; return null;
} }
@ -545,7 +546,7 @@ var usercss = (() => {
} else if (va.type === 'checkbox' && !/^[01]$/.test(va[value])) { } else if (va.type === 'checkbox' && !/^[01]$/.test(va[value])) {
throw new Error(chrome.i18n.getMessage('styleMetaErrorCheckbox')); throw new Error(chrome.i18n.getMessage('styleMetaErrorCheckbox'));
} else if (va.type === 'color') { } else if (va.type === 'color') {
va[value] = colorParser.format(colorParser.parse(va[value])); va[value] = colorConverter.format(colorConverter.parse(va[value]), 'rgb');
} }
} }

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@ -27,14 +27,14 @@
"background/storage.js", "background/storage.js",
"js/prefs.js", "js/prefs.js",
"js/script-loader.js", "js/script-loader.js",
"js/color-parser.js",
"js/usercss.js", "js/usercss.js",
"background/background.js", "background/background.js",
"background/usercss-helper.js", "background/usercss-helper.js",
"background/style-via-api.js", "background/style-via-api.js",
"background/search-db.js", "background/search-db.js",
"background/update.js", "background/update.js",
"vendor/node-semver/semver.js" "vendor/node-semver/semver.js",
"vendor-overwrites/colorpicker/colorconverter.js"
] ]
}, },
"commands": { "commands": {

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@ -141,6 +141,7 @@
</template> </template>
<link rel="stylesheet" href="vendor-overwrites/colorpicker/colorpicker.css"> <link rel="stylesheet" href="vendor-overwrites/colorpicker/colorpicker.css">
<script src="vendor-overwrites/colorpicker/colorconverter.js"></script>
<script src="vendor-overwrites/colorpicker/colorpicker.js"></script> <script src="vendor-overwrites/colorpicker/colorpicker.js"></script>
<link rel="stylesheet" href="msgbox/msgbox.css"> <link rel="stylesheet" href="msgbox/msgbox.css">

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@ -0,0 +1,318 @@
'use strict';
const colorConverter = (() => {
return {
parse,
format,
formatAlpha,
RGBtoHSV,
HSVtoRGB,
HSLtoHSV,
HSVtoHSL,
constrainHue,
snapToInt,
// NAMED_COLORS is added below
};
function format(color, type, hexUppercase) {
const a = formatAlpha(color.a);
const hasA = Boolean(a);
if (type === 'rgb' && color.type === 'hsl') {
color = HSVtoRGB(HSLtoHSV(color));
}
const {r, g, b, h, s, l} = color;
switch (type) {
case 'hex': {
const rgbStr = (0x1000000 + (r << 16) + (g << 8) + (b | 0)).toString(16).slice(1);
const aStr = hasA ? (0x100 + Math.round(a * 255)).toString(16).slice(1) : '';
const hexStr = `#${rgbStr + aStr}`.replace(/^#(.)\1(.)\2(.)\3(?:(.)\4)?$/, '#$1$2$3$4');
return hexUppercase ? hexStr.toUpperCase() : hexStr.toLowerCase();
}
case 'rgb':
return hasA ?
`rgba(${Math.round(r)}, ${Math.round(g)}, ${Math.round(b)}, ${a})` :
`rgb(${Math.round(r)}, ${Math.round(g)}, ${Math.round(b)})`;
case 'hsl':
return hasA ?
`hsla(${h}, ${s}%, ${l}%, ${a})` :
`hsl(${h}, ${s}%, ${l}%)`;
}
}
function parse(str) {
if (typeof str !== 'string') return;
str = str.trim();
if (!str) return;
if (str[0] !== '#' && !str.includes('(')) {
// eslint-disable-next-line no-use-before-define
str = colorConverter.NAMED_COLORS.get(str);
if (!str) return;
}
if (str[0] === '#') {
str = str.slice(1);
const [r, g, b, a = 255] = str.length <= 4 ?
str.match(/(.)/g).map(c => parseInt(c + c, 16)) :
str.match(/(..)/g).map(c => parseInt(c, 16));
return {type: 'hex', r, g, b, a: a === 255 ? undefined : a / 255};
}
const [, type, value] = str.match(/^(rgb|hsl)a?\((.*?)\)|$/i);
if (!type) return;
const comma = value.includes(',') && !value.includes('/');
const num = value.split(comma ? /\s*,\s*/ : /\s+(?!\/)|\s*\/\s*/);
if (num.length < 3 || num.length > 4) return;
let a = !num[3] ? 1 : parseFloat(num[3]) / (num[3].endsWith('%') ? 100 : 1);
if (isNaN(a)) a = 1;
const first = num[0];
if (/rgb/i.test(type)) {
const k = first.endsWith('%') ? 2.55 : 1;
const [r, g, b] = num.map(s => parseFloat(s) * k);
return {type: 'rgb', r, g, b, a};
} else {
let h = parseFloat(first);
if (first.endsWith('grad')) h *= 360 / 400;
else if (first.endsWith('rad')) h *= 180 / Math.PI;
else if (first.endsWith('turn')) h *= 360;
const s = parseFloat(num[1]);
const l = parseFloat(num[2]);
return {type: 'hsl', h, s, l, a};
}
}
function formatAlpha(a) {
return isNaN(a) ? '' :
(a + .5e-6).toFixed(7).slice(0, -1).replace(/^0(?=\.[1-9])|^1\.0+?$|\.?0+$/g, '');
}
function RGBtoHSV({r, g, b, a}) {
r /= 255;
g /= 255;
b /= 255;
const MaxC = Math.max(r, g, b);
const MinC = Math.min(r, g, b);
const DeltaC = MaxC - MinC;
let h =
DeltaC === 0 ? 0 :
MaxC === r ? 60 * (((g - b) / DeltaC) % 6) :
MaxC === g ? 60 * (((b - r) / DeltaC) + 2) :
MaxC === b ? 60 * (((r - g) / DeltaC) + 4) :
0;
h = constrainHue(h);
return {
h,
s: MaxC === 0 ? 0 : DeltaC / MaxC,
v: MaxC,
a,
};
}
function HSVtoRGB({h, s, v}) {
h = constrainHue(h) % 360;
const C = s * v;
const X = C * (1 - Math.abs((h / 60) % 2 - 1));
const m = v - C;
const [r, g, b] =
h >= 0 && h < 60 ? [C, X, 0] :
h >= 60 && h < 120 ? [X, C, 0] :
h >= 120 && h < 180 ? [0, C, X] :
h >= 180 && h < 240 ? [0, X, C] :
h >= 240 && h < 300 ? [X, 0, C] :
h >= 300 && h < 360 ? [C, 0, X] : [];
return {
r: snapToInt(Math.round((r + m) * 255)),
g: snapToInt(Math.round((g + m) * 255)),
b: snapToInt(Math.round((b + m) * 255)),
};
}
function HSLtoHSV({h, s, l, a}) {
const t = s * (l < 50 ? l : 100 - l) / 100;
return {
h: constrainHue(h),
s: t + l ? 200 * t / (t + l) / 100 : 0,
v: (t + l) / 100,
a,
};
}
function HSVtoHSL({h, s, v}) {
const l = (2 - s) * v / 2;
const t = l < .5 ? l * 2 : 2 - l * 2;
return {
h: Math.round(constrainHue(h)),
s: Math.round(t ? s * v / t * 100 : 0),
l: Math.round(l * 100),
};
}
function constrainHue(h) {
return h < 0 ? h % 360 + 360 :
h > 360 ? h % 360 :
h;
}
function snapToInt(num) {
const int = Math.round(num);
return Math.abs(int - num) < 1e-3 ? int : num;
}
})();
colorConverter.NAMED_COLORS = new Map([
['transparent', 'rgba(0, 0, 0, 0)'],
// CSS4 named colors
['aliceblue', '#f0f8ff'],
['antiquewhite', '#faebd7'],
['aqua', '#00ffff'],
['aquamarine', '#7fffd4'],
['azure', '#f0ffff'],
['beige', '#f5f5dc'],
['bisque', '#ffe4c4'],
['black', '#000000'],
['blanchedalmond', '#ffebcd'],
['blue', '#0000ff'],
['blueviolet', '#8a2be2'],
['brown', '#a52a2a'],
['burlywood', '#deb887'],
['cadetblue', '#5f9ea0'],
['chartreuse', '#7fff00'],
['chocolate', '#d2691e'],
['coral', '#ff7f50'],
['cornflowerblue', '#6495ed'],
['cornsilk', '#fff8dc'],
['crimson', '#dc143c'],
['cyan', '#00ffff'],
['darkblue', '#00008b'],
['darkcyan', '#008b8b'],
['darkgoldenrod', '#b8860b'],
['darkgray', '#a9a9a9'],
['darkgrey', '#a9a9a9'],
['darkgreen', '#006400'],
['darkkhaki', '#bdb76b'],
['darkmagenta', '#8b008b'],
['darkolivegreen', '#556b2f'],
['darkorange', '#ff8c00'],
['darkorchid', '#9932cc'],
['darkred', '#8b0000'],
['darksalmon', '#e9967a'],
['darkseagreen', '#8fbc8f'],
['darkslateblue', '#483d8b'],
['darkslategray', '#2f4f4f'],
['darkslategrey', '#2f4f4f'],
['darkturquoise', '#00ced1'],
['darkviolet', '#9400d3'],
['deeppink', '#ff1493'],
['deepskyblue', '#00bfff'],
['dimgray', '#696969'],
['dimgrey', '#696969'],
['dodgerblue', '#1e90ff'],
['firebrick', '#b22222'],
['floralwhite', '#fffaf0'],
['forestgreen', '#228b22'],
['fuchsia', '#ff00ff'],
['gainsboro', '#dcdcdc'],
['ghostwhite', '#f8f8ff'],
['gold', '#ffd700'],
['goldenrod', '#daa520'],
['gray', '#808080'],
['grey', '#808080'],
['green', '#008000'],
['greenyellow', '#adff2f'],
['honeydew', '#f0fff0'],
['hotpink', '#ff69b4'],
['indianred', '#cd5c5c'],
['indigo', '#4b0082'],
['ivory', '#fffff0'],
['khaki', '#f0e68c'],
['lavender', '#e6e6fa'],
['lavenderblush', '#fff0f5'],
['lawngreen', '#7cfc00'],
['lemonchiffon', '#fffacd'],
['lightblue', '#add8e6'],
['lightcoral', '#f08080'],
['lightcyan', '#e0ffff'],
['lightgoldenrodyellow', '#fafad2'],
['lightgray', '#d3d3d3'],
['lightgrey', '#d3d3d3'],
['lightgreen', '#90ee90'],
['lightpink', '#ffb6c1'],
['lightsalmon', '#ffa07a'],
['lightseagreen', '#20b2aa'],
['lightskyblue', '#87cefa'],
['lightslategray', '#778899'],
['lightslategrey', '#778899'],
['lightsteelblue', '#b0c4de'],
['lightyellow', '#ffffe0'],
['lime', '#00ff00'],
['limegreen', '#32cd32'],
['linen', '#faf0e6'],
['magenta', '#ff00ff'],
['maroon', '#800000'],
['mediumaquamarine', '#66cdaa'],
['mediumblue', '#0000cd'],
['mediumorchid', '#ba55d3'],
['mediumpurple', '#9370db'],
['mediumseagreen', '#3cb371'],
['mediumslateblue', '#7b68ee'],
['mediumspringgreen', '#00fa9a'],
['mediumturquoise', '#48d1cc'],
['mediumvioletred', '#c71585'],
['midnightblue', '#191970'],
['mintcream', '#f5fffa'],
['mistyrose', '#ffe4e1'],
['moccasin', '#ffe4b5'],
['navajowhite', '#ffdead'],
['navy', '#000080'],
['oldlace', '#fdf5e6'],
['olive', '#808000'],
['olivedrab', '#6b8e23'],
['orange', '#ffa500'],
['orangered', '#ff4500'],
['orchid', '#da70d6'],
['palegoldenrod', '#eee8aa'],
['palegreen', '#98fb98'],
['paleturquoise', '#afeeee'],
['palevioletred', '#db7093'],
['papayawhip', '#ffefd5'],
['peachpuff', '#ffdab9'],
['peru', '#cd853f'],
['pink', '#ffc0cb'],
['plum', '#dda0dd'],
['powderblue', '#b0e0e6'],
['purple', '#800080'],
['rebeccapurple', '#663399'],
['red', '#ff0000'],
['rosybrown', '#bc8f8f'],
['royalblue', '#4169e1'],
['saddlebrown', '#8b4513'],
['salmon', '#fa8072'],
['sandybrown', '#f4a460'],
['seagreen', '#2e8b57'],
['seashell', '#fff5ee'],
['sienna', '#a0522d'],
['silver', '#c0c0c0'],
['skyblue', '#87ceeb'],
['slateblue', '#6a5acd'],
['slategray', '#708090'],
['slategrey', '#708090'],
['snow', '#fffafa'],
['springgreen', '#00ff7f'],
['steelblue', '#4682b4'],
['tan', '#d2b48c'],
['teal', '#008080'],
['thistle', '#d8bfd8'],
['tomato', '#ff6347'],
['turquoise', '#40e0d0'],
['violet', '#ee82ee'],
['wheat', '#f5deb3'],
['white', '#ffffff'],
['whitesmoke', '#f5f5f5'],
['yellow', '#ffff00'],
['yellowgreen', '#9acd32'],
]);

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@ -1,4 +1,4 @@
/* global CodeMirror NAMED_COLORS */ /* global CodeMirror colorConverter */
'use strict'; 'use strict';
(window.CodeMirror ? window.CodeMirror.prototype : window).colorpicker = function () { (window.CodeMirror ? window.CodeMirror.prototype : window).colorpicker = function () {
@ -57,8 +57,6 @@
hide, hide,
setColor, setColor,
getColor, getColor,
stringToColor,
colorToString,
options, options,
}; };
return PUBLIC_API; return PUBLIC_API;
@ -178,7 +176,7 @@
Object.defineProperty($inputs.hsl, 'color', {get: inputsToHSL}); Object.defineProperty($inputs.hsl, 'color', {get: inputsToHSL});
Object.defineProperty($inputs, 'color', {get: () => $inputs[currentFormat].color}); Object.defineProperty($inputs, 'color', {get: () => $inputs[currentFormat].color});
HUE_COLORS.forEach(color => Object.assign(color, stringToColor(color.hex))); HUE_COLORS.forEach(color => Object.assign(color, colorConverter.parse(color.hex)));
initialized = true; initialized = true;
} }
@ -235,7 +233,7 @@
function setColor(color) { function setColor(color) {
switch (typeof color) { switch (typeof color) {
case 'string': case 'string':
color = stringToColor(color); color = colorConverter.parse(color);
break; break;
case 'object': { case 'object': {
const {r, g, b, a} = color; const {r, g, b, a} = color;
@ -267,7 +265,9 @@
return; return;
} }
readCurrentColorFromRamps(); readCurrentColorFromRamps();
const color = type === 'hsl' ? HSVtoHSL(HSV) : HSVtoRGB(HSV); const color = type === 'hsl' ?
colorConverter.HSVtoHSL(HSV) :
colorConverter.HSVtoRGB(HSV);
return type ? colorToString(color, type) : color; return type ? colorToString(color, type) : color;
} }
@ -279,7 +279,7 @@
HSV.h = HSV.s = HSV.v = 0; HSV.h = HSV.s = HSV.v = 0;
} else { } else {
const {x, y} = dragging.saturationPointerPos; const {x, y} = dragging.saturationPointerPos;
HSV.h = snapToInt((dragging.hueKnobPos / $hue.offsetWidth) * 360); HSV.h = colorConverter.snapToInt((dragging.hueKnobPos / $hue.offsetWidth) * 360);
HSV.s = x / $sat.offsetWidth; HSV.s = x / $sat.offsetWidth;
HSV.v = ($sat.offsetHeight - y) / $sat.offsetHeight; HSV.v = ($sat.offsetHeight - y) / $sat.offsetHeight;
} }
@ -304,7 +304,7 @@
function setFromHueElement(event) { function setFromHueElement(event) {
const {left, width} = getScreenBounds($hue); const {left, width} = getScreenBounds($hue);
const currentX = event ? getTouchPosition(event).clientX : const currentX = event ? getTouchPosition(event).clientX :
left + width * constrainHue(HSV.h) / 360; left + width * colorConverter.constrainHue(HSV.h) / 360;
const normalizedH = constrain(0, 1, (currentX - left) / width); const normalizedH = constrain(0, 1, (currentX - left) / width);
const x = dragging.hueKnobPos = width * normalizedH; const x = dragging.hueKnobPos = width * normalizedH;
$hueKnob.style.left = (x - Math.round($hueKnob.offsetWidth / 2)) + 'px'; $hueKnob.style.left = (x - Math.round($hueKnob.offsetWidth / 2)) + 'px';
@ -443,9 +443,11 @@
//region State-to-DOM //region State-to-DOM
function setFromColor(color) { function setFromColor(color) {
color = typeof color === 'string' ? stringToColor(color) : color; color = typeof color === 'string' ? colorConverter.parse(color) : color;
color = color || stringToColor('#f00'); color = color || colorConverter.parse('#f00');
const newHSV = color.type === 'hsl' ? HSLtoHSV(color) : RGBtoHSV(color); const newHSV = color.type === 'hsl' ?
colorConverter.HSLtoHSV(color) :
colorConverter.RGBtoHSV(color);
if (Object.keys(newHSV).every(k => Math.abs(newHSV[k] - HSV[k]) < 1e-3)) { if (Object.keys(newHSV).every(k => Math.abs(newHSV[k] - HSV[k]) < 1e-3)) {
return; return;
} }
@ -489,7 +491,7 @@
} }
function renderInputs() { function renderInputs() {
const rgb = HSVtoRGB(HSV); const rgb = colorConverter.HSVtoRGB(HSV);
switch (currentFormat) { switch (currentFormat) {
case 'hex': case 'hex':
$hexCode.value = colorToString(rgb, 'hex'); $hexCode.value = colorToString(rgb, 'hex');
@ -502,7 +504,7 @@
break; break;
} }
case 'hsl': { case 'hsl': {
const {h, s, l} = HSVtoHSL(HSV); const {h, s, l} = colorConverter.HSVtoHSL(HSV);
$hsl.h.value = h; $hsl.h.value = h;
$hsl.s.value = s; $hsl.s.value = s;
$hsl.l.value = l; $hsl.l.value = l;
@ -723,144 +725,17 @@
//region Color conversion utilities //region Color conversion utilities
function colorToString(color, type = currentFormat) { function colorToString(color, type = currentFormat) {
const a = alphaToString(color.a); return colorConverter.format(color, type, options.hexUppercase);
const hasA = Boolean(a);
if (type === 'rgb' && color.type === 'hsl') {
color = HSVtoRGB(HSLtoHSV(color));
}
const {r, g, b, h, s, l} = color;
switch (type) {
case 'hex': {
const rgbStr = (0x1000000 + (r << 16) + (g << 8) + (b | 0)).toString(16).slice(1);
const aStr = hasA ? (0x100 + Math.round(a * 255)).toString(16).slice(1) : '';
const hexStr = `#${rgbStr + aStr}`.replace(/^#(.)\1(.)\2(.)\3(?:(.)\4)?$/, '#$1$2$3$4');
return options.hexUppercase ? hexStr.toUpperCase() : hexStr.toLowerCase();
}
case 'rgb':
return hasA ?
`rgba(${Math.round(r)}, ${Math.round(g)}, ${Math.round(b)}, ${a})` :
`rgb(${Math.round(r)}, ${Math.round(g)}, ${Math.round(b)})`;
case 'hsl':
return hasA ?
`hsla(${h}, ${s}%, ${l}%, ${a})` :
`hsl(${h}, ${s}%, ${l}%)`;
}
} }
function stringToColor(str) { function alphaToString(a = HSV.a) {
if (typeof str !== 'string') return; return colorConverter.formatAlpha(a);
str = str.trim();
if (!str) return;
if (str[0] !== '#' && !str.includes('(')) {
str = NAMED_COLORS.get(str);
if (!str) return;
}
if (str[0] === '#') {
str = str.slice(1);
const [r, g, b, a = 255] = str.length <= 4 ?
str.match(/(.)/g).map(c => parseInt(c + c, 16)) :
str.match(/(..)/g).map(c => parseInt(c, 16));
return {type: 'hex', r, g, b, a: a === 255 ? undefined : a / 255};
}
const [, type, value] = str.match(/^(rgb|hsl)a?\((.*?)\)|$/i);
if (!type) return;
const comma = value.includes(',') && !value.includes('/');
const num = value.split(comma ? /\s*,\s*/ : /\s+(?!\/)|\s*\/\s*/);
if (num.length < 3 || num.length > 4) return;
let a = !num[3] ? 1 : parseFloat(num[3]) / (num[3].endsWith('%') ? 100 : 1);
if (isNaN(a)) a = 1;
const first = num[0];
if (/rgb/i.test(type)) {
const k = first.endsWith('%') ? 2.55 : 1;
const [r, g, b] = num.map(s => parseFloat(s) * k);
return {type: 'rgb', r, g, b, a};
} else {
let h = parseFloat(first);
if (first.endsWith('grad')) h *= 360 / 400;
else if (first.endsWith('rad')) h *= 180 / Math.PI;
else if (first.endsWith('turn')) h *= 360;
const s = parseFloat(num[1]);
const l = parseFloat(num[2]);
return {type: 'hsl', h, s, l, a};
}
}
function constrainHue(h) {
return h < 0 ? h % 360 + 360 :
h > 360 ? h % 360 :
h;
}
function RGBtoHSV({r, g, b, a}) {
r /= 255;
g /= 255;
b /= 255;
const MaxC = Math.max(r, g, b);
const MinC = Math.min(r, g, b);
const DeltaC = MaxC - MinC;
let h =
DeltaC === 0 ? 0 :
MaxC === r ? 60 * (((g - b) / DeltaC) % 6) :
MaxC === g ? 60 * (((b - r) / DeltaC) + 2) :
MaxC === b ? 60 * (((r - g) / DeltaC) + 4) :
0;
h = constrainHue(h);
return {
h,
s: MaxC === 0 ? 0 : DeltaC / MaxC,
v: MaxC,
a,
};
}
function HSVtoRGB({h, s, v}) {
h = constrainHue(h) % 360;
const C = s * v;
const X = C * (1 - Math.abs((h / 60) % 2 - 1));
const m = v - C;
const [r, g, b] =
h >= 0 && h < 60 ? [C, X, 0] :
h >= 60 && h < 120 ? [X, C, 0] :
h >= 120 && h < 180 ? [0, C, X] :
h >= 180 && h < 240 ? [0, X, C] :
h >= 240 && h < 300 ? [X, 0, C] :
h >= 300 && h < 360 ? [C, 0, X] : [];
return {
r: snapToInt(Math.round((r + m) * 255)),
g: snapToInt(Math.round((g + m) * 255)),
b: snapToInt(Math.round((b + m) * 255)),
};
}
function HSLtoHSV({h, s, l, a}) {
const t = s * (l < 50 ? l : 100 - l) / 100;
return {
h: constrainHue(h),
s: t + l ? 200 * t / (t + l) / 100 : 0,
v: (t + l) / 100,
a,
};
}
function HSVtoHSL({h, s, v}) {
const l = (2 - s) * v / 2;
const t = l < .5 ? l * 2 : 2 - l * 2;
return {
h: Math.round(constrainHue(h)),
s: Math.round(t ? s * v / t * 100 : 0),
l: Math.round(l * 100),
};
} }
function currentColorToString(format = currentFormat, alpha = HSV.a) { function currentColorToString(format = currentFormat, alpha = HSV.a) {
const converted = format === 'hsl' ? HSVtoHSL(HSV) : HSVtoRGB(HSV); const converted = format === 'hsl' ?
colorConverter.HSVtoHSL(HSV) :
colorConverter.HSVtoRGB(HSV);
converted.a = isNaN(alpha) || alpha === 1 ? undefined : alpha; converted.a = isNaN(alpha) || alpha === 1 ? undefined : alpha;
return colorToString(converted, format); return colorToString(converted, format);
} }
@ -887,10 +762,6 @@
return HUE_COLORS[0].hex; return HUE_COLORS[0].hex;
} }
function alphaToString(a = HSV.a) {
return isNaN(a) ? '' : (a + .5e-6).toFixed(7).slice(0, -1).replace(/^0(?=\.[1-9])|^1\.0+?$|\.?0+$/g, '');
}
//endregion //endregion
//region Miscellaneous utilities //region Miscellaneous utilities
@ -964,11 +835,6 @@
return value < min ? min : value > max ? max : value; return value < min ? min : value > max ? max : value;
} }
function snapToInt(num) {
const int = Math.round(num);
return Math.abs(int - num) < 1e-3 ? int : num;
}
function parseAs(el, parser) { function parseAs(el, parser) {
const num = parser(el.value); const num = parser(el.value);
if (!isNaN(num) && if (!isNaN(num) &&

View File

@ -1,159 +1,6 @@
/* global CodeMirror */ /* global CodeMirror colorConverter */
'use strict'; 'use strict';
const NAMED_COLORS = new Map([
['transparent', 'rgba(0, 0, 0, 0)'],
// CSS4 named colors
['aliceblue', '#f0f8ff'],
['antiquewhite', '#faebd7'],
['aqua', '#00ffff'],
['aquamarine', '#7fffd4'],
['azure', '#f0ffff'],
['beige', '#f5f5dc'],
['bisque', '#ffe4c4'],
['black', '#000000'],
['blanchedalmond', '#ffebcd'],
['blue', '#0000ff'],
['blueviolet', '#8a2be2'],
['brown', '#a52a2a'],
['burlywood', '#deb887'],
['cadetblue', '#5f9ea0'],
['chartreuse', '#7fff00'],
['chocolate', '#d2691e'],
['coral', '#ff7f50'],
['cornflowerblue', '#6495ed'],
['cornsilk', '#fff8dc'],
['crimson', '#dc143c'],
['cyan', '#00ffff'],
['darkblue', '#00008b'],
['darkcyan', '#008b8b'],
['darkgoldenrod', '#b8860b'],
['darkgray', '#a9a9a9'],
['darkgrey', '#a9a9a9'],
['darkgreen', '#006400'],
['darkkhaki', '#bdb76b'],
['darkmagenta', '#8b008b'],
['darkolivegreen', '#556b2f'],
['darkorange', '#ff8c00'],
['darkorchid', '#9932cc'],
['darkred', '#8b0000'],
['darksalmon', '#e9967a'],
['darkseagreen', '#8fbc8f'],
['darkslateblue', '#483d8b'],
['darkslategray', '#2f4f4f'],
['darkslategrey', '#2f4f4f'],
['darkturquoise', '#00ced1'],
['darkviolet', '#9400d3'],
['deeppink', '#ff1493'],
['deepskyblue', '#00bfff'],
['dimgray', '#696969'],
['dimgrey', '#696969'],
['dodgerblue', '#1e90ff'],
['firebrick', '#b22222'],
['floralwhite', '#fffaf0'],
['forestgreen', '#228b22'],
['fuchsia', '#ff00ff'],
['gainsboro', '#dcdcdc'],
['ghostwhite', '#f8f8ff'],
['gold', '#ffd700'],
['goldenrod', '#daa520'],
['gray', '#808080'],
['grey', '#808080'],
['green', '#008000'],
['greenyellow', '#adff2f'],
['honeydew', '#f0fff0'],
['hotpink', '#ff69b4'],
['indianred', '#cd5c5c'],
['indigo', '#4b0082'],
['ivory', '#fffff0'],
['khaki', '#f0e68c'],
['lavender', '#e6e6fa'],
['lavenderblush', '#fff0f5'],
['lawngreen', '#7cfc00'],
['lemonchiffon', '#fffacd'],
['lightblue', '#add8e6'],
['lightcoral', '#f08080'],
['lightcyan', '#e0ffff'],
['lightgoldenrodyellow', '#fafad2'],
['lightgray', '#d3d3d3'],
['lightgrey', '#d3d3d3'],
['lightgreen', '#90ee90'],
['lightpink', '#ffb6c1'],
['lightsalmon', '#ffa07a'],
['lightseagreen', '#20b2aa'],
['lightskyblue', '#87cefa'],
['lightslategray', '#778899'],
['lightslategrey', '#778899'],
['lightsteelblue', '#b0c4de'],
['lightyellow', '#ffffe0'],
['lime', '#00ff00'],
['limegreen', '#32cd32'],
['linen', '#faf0e6'],
['magenta', '#ff00ff'],
['maroon', '#800000'],
['mediumaquamarine', '#66cdaa'],
['mediumblue', '#0000cd'],
['mediumorchid', '#ba55d3'],
['mediumpurple', '#9370db'],
['mediumseagreen', '#3cb371'],
['mediumslateblue', '#7b68ee'],
['mediumspringgreen', '#00fa9a'],
['mediumturquoise', '#48d1cc'],
['mediumvioletred', '#c71585'],
['midnightblue', '#191970'],
['mintcream', '#f5fffa'],
['mistyrose', '#ffe4e1'],
['moccasin', '#ffe4b5'],
['navajowhite', '#ffdead'],
['navy', '#000080'],
['oldlace', '#fdf5e6'],
['olive', '#808000'],
['olivedrab', '#6b8e23'],
['orange', '#ffa500'],
['orangered', '#ff4500'],
['orchid', '#da70d6'],
['palegoldenrod', '#eee8aa'],
['palegreen', '#98fb98'],
['paleturquoise', '#afeeee'],
['palevioletred', '#db7093'],
['papayawhip', '#ffefd5'],
['peachpuff', '#ffdab9'],
['peru', '#cd853f'],
['pink', '#ffc0cb'],
['plum', '#dda0dd'],
['powderblue', '#b0e0e6'],
['purple', '#800080'],
['rebeccapurple', '#663399'],
['red', '#ff0000'],
['rosybrown', '#bc8f8f'],
['royalblue', '#4169e1'],
['saddlebrown', '#8b4513'],
['salmon', '#fa8072'],
['sandybrown', '#f4a460'],
['seagreen', '#2e8b57'],
['seashell', '#fff5ee'],
['sienna', '#a0522d'],
['silver', '#c0c0c0'],
['skyblue', '#87ceeb'],
['slateblue', '#6a5acd'],
['slategray', '#708090'],
['slategrey', '#708090'],
['snow', '#fffafa'],
['springgreen', '#00ff7f'],
['steelblue', '#4682b4'],
['tan', '#d2b48c'],
['teal', '#008080'],
['thistle', '#d8bfd8'],
['tomato', '#ff6347'],
['turquoise', '#40e0d0'],
['violet', '#ee82ee'],
['wheat', '#f5deb3'],
['white', '#ffffff'],
['whitesmoke', '#f5f5f5'],
['yellow', '#ffff00'],
['yellowgreen', '#9acd32'],
]);
(() => { (() => {
//region Constants //region Constants
@ -193,8 +40,12 @@ const NAMED_COLORS = new Map([
!CSS.supports('color', 'hsl(1turn, 2%, 3%)') && /deg|g?rad|turn/, !CSS.supports('color', 'hsl(1turn, 2%, 3%)') && /deg|g?rad|turn/,
].filter(Boolean).map(rx => rx.source).join('|') || '^$', 'i'), ].filter(Boolean).map(rx => rx.source).join('|') || '^$', 'i'),
}; };
const RX_DETECT = new RegExp('(^|[\\s():,/])(' + RX_COLOR.hex.source + const RX_DETECT = new RegExp('(^|[\\s():,/])' +
'|(?:rgb|hsl)a?(?=\\()|(?:' + [...NAMED_COLORS.keys()].join('|') + ')(?=[\\s;()/]|$))', 'gi'); '(' +
RX_COLOR.hex.source + '|' +
'(?:rgb|hsl)a?(?=\\()|(?:' + [...colorConverter.NAMED_COLORS.keys()].join('|') + ')' +
'(?=[\\s;()/]|$)' +
')', 'gi');
const RX_DETECT_FUNC = /(rgb|hsl)a?\(/iy; const RX_DETECT_FUNC = /(rgb|hsl)a?\(/iy;
const RX_COMMENT = /\/\*(?:.(?!\*\/))*(?:.?\*\/|$)/g; const RX_COMMENT = /\/\*(?:.(?!\*\/))*(?:.?\*\/|$)/g;
@ -532,7 +383,7 @@ const NAMED_COLORS = new Map([
function checkColor() { function checkColor() {
if (isHex) return testAt(RX_COLOR.hex, 0, color); if (isHex) return testAt(RX_COLOR.hex, 0, color);
if (!isFunc) return NAMED_COLORS.has(color.toLowerCase()); if (!isFunc) return colorConverter.NAMED_COLORS.has(color.toLowerCase());
const colorLower = color.toLowerCase(); const colorLower = color.toLowerCase();
if (cache.has(colorLower)) return true; if (cache.has(colorLower)) return true;
@ -558,8 +409,8 @@ const NAMED_COLORS = new Map([
function getSafeColorValue() { function getSafeColorValue() {
if (isHex && color.length !== 5 && color.length !== 9) return color; if (isHex && color.length !== 5 && color.length !== 9) return color;
if (!isFunc || !RX_COLOR.unsupported.test(color)) return color; if (!isFunc || !RX_COLOR.unsupported.test(color)) return color;
const value = state.popup.stringToColor(color); const value = colorConverter.parse(color);
return state.popup.colorToString(value, 'rgb'); return colorConverter.format(value, 'rgb');
} }
// update or skip or delete existing swatches // update or skip or delete existing swatches
@ -734,7 +585,7 @@ const NAMED_COLORS = new Map([
const value = color.slice(token.length + 1, -1); const value = color.slice(token.length + 1, -1);
return testAt(RX_COLOR[type], 0, value) && color; return testAt(RX_COLOR[type], 0, value) && color;
} }
return (token[0] === '#' || NAMED_COLORS.has(token)) && token; return (token[0] === '#' || colorConverter.NAMED_COLORS.has(token)) && token;
} }
} }