mirror of
https://github.com/alchemy-fr/Phraseanet.git
synced 2025-10-27 11:53:12 +00:00
93 lines
2.2 KiB
JavaScript
93 lines
2.2 KiB
JavaScript
var p4 = p4 || {};
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var utilsModule = (function (p4) {
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function RGBtoHex(R, G, B) {
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return _toHex(R) + _toHex(G) + _toHex(B);
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}
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function _toHex(N) {
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if (N === null) return "00";
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N = parseInt(N);
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if (N === 0 || isNaN(N)) return "00";
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N = Math.max(0, N);
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N = Math.min(N, 255);
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N = Math.round(N);
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return "0123456789ABCDEF".charAt((N - N % 16) / 16)
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+ "0123456789ABCDEF".charAt(N % 16);
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}
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function hsl2rgb(h, s, l) {
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var m1, m2, hue;
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var r, g, b;
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s /= 100;
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l /= 100;
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if (s === 0)
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r = g = b = (l * 255);
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else {
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if (l <= 0.5)
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m2 = l * (s + 1);
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else
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m2 = l + s - l * s;
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m1 = l * 2 - m2;
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hue = h / 360;
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r = _HueToRgb(m1, m2, hue + 1 / 3);
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g = _HueToRgb(m1, m2, hue);
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b = _HueToRgb(m1, m2, hue - 1 / 3);
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}
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return {
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r: r,
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g: g,
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b: b
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};
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}
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function _HueToRgb(m1, m2, hue) {
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var v;
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if (hue < 0)
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hue += 1;
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else if (hue > 1)
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hue -= 1;
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if (6 * hue < 1)
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v = m1 + (m2 - m1) * hue * 6;
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else if (2 * hue < 1)
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v = m2;
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else if (3 * hue < 2)
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v = m1 + (m2 - m1) * (2 / 3 - hue) * 6;
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else
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v = m1;
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return 255 * v;
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}
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function is_ctrl_key(event) {
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if (event.altKey)
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return true;
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if (event.ctrlKey)
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return true;
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if (event.metaKey) // apple key opera
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return true;
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if (event.keyCode === 17) // apple key opera
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return true;
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if (event.keyCode === 224) // apple key mozilla
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return true;
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if (event.keyCode === 91) // apple key safari
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return true;
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return false;
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}
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function is_shift_key(event) {
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if (event.shiftKey)
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return true;
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return false;
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}
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return {
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RGBtoHex: RGBtoHex,
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hsl2rgb: hsl2rgb,
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is_ctrl_key: is_ctrl_key,
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is_shift_key: is_shift_key
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};
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}(p4));
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