merged with master and batch directory upload requests

1 files changed, 106 insertions, 0 deletions

diff --git a/src/Utils.ts b/src/Utils.ts
index 71d88683a..ec2bee9bf 100644
--- a/src/Utils.ts
+++ b/src/Utils.ts
@@ -58,6 +58,98 @@ export class Utils {
         document.body.removeChild(textArea);
     }
 
+    public static fromRGBAstr(rgba: string) {
+        let rm = rgba.match(/rgb[a]?\(([0-9]+)/);
+        let r = rm ? Number(rm[1]) : 0;
+        let gm = rgba.match(/rgb[a]?\([0-9]+,([0-9]+)/);
+        let g = gm ? Number(gm[1]) : 0;
+        let bm = rgba.match(/rgb[a]?\([0-9]+,[0-9]+,([0-9]+)/);
+        let b = bm ? Number(bm[1]) : 0;
+        let am = rgba.match(/rgba?\([0-9]+,[0-9]+,[0-9]+,([0-9]+)/);
+        let a = am ? Number(am[1]) : 0;
+        return { r: r, g: g, b: b, a: a };
+    }
+    public static toRGBAstr(col: { r: number, g: number, b: number, a?: number }) {
+        return "rgba(" + col.r + "," + col.g + "," + col.b + (col.a !== undefined ? "," + col.a : "") + ")";
+    }
+
+    public static HSLtoRGB(h: number, s: number, l: number) {
+        // Must be fractions of 1
+        // s /= 100;
+        // l /= 100;
+
+        let c = (1 - Math.abs(2 * l - 1)) * s,
+            x = c * (1 - Math.abs((h / 60) % 2 - 1)),
+            m = l - c / 2,
+            r = 0,
+            g = 0,
+            b = 0;
+        if (0 <= h && h < 60) {
+            r = c; g = x; b = 0;
+        } else if (60 <= h && h < 120) {
+            r = x; g = c; b = 0;
+        } else if (120 <= h && h < 180) {
+            r = 0; g = c; b = x;
+        } else if (180 <= h && h < 240) {
+            r = 0; g = x; b = c;
+        } else if (240 <= h && h < 300) {
+            r = x; g = 0; b = c;
+        } else if (300 <= h && h < 360) {
+            r = c; g = 0; b = x;
+        }
+        r = Math.round((r + m) * 255);
+        g = Math.round((g + m) * 255);
+        b = Math.round((b + m) * 255);
+        return { r: r, g: g, b: b };
+    }
+
+    public static RGBToHSL(r: number, g: number, b: number) {
+        // Make r, g, and b fractions of 1
+        r /= 255;
+        g /= 255;
+        b /= 255;
+
+        // Find greatest and smallest channel values
+        let cmin = Math.min(r, g, b),
+            cmax = Math.max(r, g, b),
+            delta = cmax - cmin,
+            h = 0,
+            s = 0,
+            l = 0;
+        // Calculate hue
+
+        // No difference
+        if (delta == 0)
+            h = 0;
+        // Red is max
+        else if (cmax == r)
+            h = ((g - b) / delta) % 6;
+        // Green is max
+        else if (cmax == g)
+            h = (b - r) / delta + 2;
+        // Blue is max
+        else
+            h = (r - g) / delta + 4;
+
+        h = Math.round(h * 60);
+
+        // Make negative hues positive behind 360°
+        if (h < 0)
+            h += 360; // Calculate lightness
+
+        l = (cmax + cmin) / 2;
+
+        // Calculate saturation
+        s = delta == 0 ? 0 : delta / (1 - Math.abs(2 * l - 1));
+
+        // Multiply l and s by 100
+        // s = +(s * 100).toFixed(1);
+        // l = +(l * 100).toFixed(1);
+
+        return { h: h, s: s, l: l };
+    }
+
+
     public static GetClipboardText(): string {
         var textArea = document.createElement("textarea");
         document.body.appendChild(textArea);
@@ -138,6 +230,20 @@ export function WithKeys(obj: any, keys: string[], addKeyFunc?: (dup: any) => vo
     return dup;
 }
 
+export function timenow() {
+    var now = new Date();
+    let ampm = 'am';
+    let h = now.getHours();
+    let m: any = now.getMinutes();
+    let s: any = now.getSeconds();
+    if (h >= 12) {
+        if (h > 12) h -= 12;
+        ampm = 'pm';
+    }
+    if (m < 10) m = '0' + m;
+    return now.toLocaleDateString() + ' ' + h + ':' + m + ' ' + ampm;
+}
+
 export function numberRange(num: number) { return Array.from(Array(num)).map((v, i) => i); }
 
 export function returnTrue() { return true; }