Add meme view & sharing

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/utilities/color.ts

@@ -32,6 +32,15 @@ const rgbToHex = (rgb: string) => {
   return `#${r.toString(16)}${g.toString(16)}${b.toString(16)}`;
 };
 
+const rgbToRgba = (rgb: string, alpha: number) => {
+  const [r, g, b] = rgb
+    .replaceAll(/[^\d,]/g, '')
+    .split(',')
+    .map(value => Number.parseInt(value, 10));
+
+  return `rgba(${r}, ${g}, ${b}, ${alpha})`;
+};
+
 const generateRandomColor = () => {
   const r = Math.floor(Math.random() * 256)
     .toString(16)
@@ -50,5 +59,6 @@ export {
   isHexColor,
   isRgbColor,
   rgbToHex,
+  rgbToRgba,
   generateRandomColor,
 };